414147d99b
837437 Commits
| Author | SHA1 | Message | Date | |
|---|---|---|---|---|
Linus Torvalds
|
d7a02fa0a8 |
This pull request contains the following changes for UBI/UBIFS
- fscrypt framework usage updates - One huge fix for xattr unlink - Cleanup of fscrypt ifdefs - Fix for our new UBIFS auth feature -----BEGIN PGP SIGNATURE----- iQJKBAABCAA0FiEEdgfidid8lnn52cLTZvlZhesYu8EFAlzYkIgWHHJpY2hhcmRA c2lnbWEtc3Rhci5hdAAKCRBm+VmF6xi7wTRrD/99iBd4f8F0jF1wmB8/9kDAnz5s KaK+VtC0RVRijRijYzo+/2kDXpXEbmPycg6AVl5EfKxXCVFw1K7pQvuBX43qyv4o BINRv1av8FEBA9eTjvBgZJUrjB1AuvV37716/OeM2bnvuCsp1escnvTEh6S3VFYw oWDBgZJd+DE10CYtZjuLoyDPcYdNrzebbmu3Xbfl2XsPwZFUJIrymMd6NE8Xdk3I EQbZ3guEM5Djui+nrko3iKzfoZ4eK7WguO3DOEjUHpwea4ZfnZtnlH345aYOAqRE N5qrDCzXOsWs6Zs+clODMQgg+aTN3kGBNV534culcpMAbUp7WXynUQ1DDqtOJNJO pGFjhAfGi4E6YgB3UwqxMbXxI4Tg/X2ckc77hWZlC7h/1Y/i89nacT6Ij5rPNOn1 mby1mFxWHI04uSEICWyocFK4m/J2b17Tmte2Mc5ZOigQqREUB7J8wiT4NWm6GhV1 nTb5DA8MepC3zopbsL/iAiKPhSkH1h6AkabBw1ADTksacgNUfhjzALkxqa64tIqv C43QG3n/HqsNZJ4aLdizLLb8KIt4pWsIaqHOeDGSfr3I1GEBrpfKiR72P/h3fSF9 9GIFJU5HiV+3zeAC2024muaV7KjcimZ6t/hPFTCFH9pMGNk2Mtn/gZFfmqnjLKbj TDxUTrZF9Lujonrbwg== =ymCJ -----END PGP SIGNATURE----- Merge tag 'upstream-5.2-rc1' of ssh://gitolite.kernel.org/pub/scm/linux/kernel/git/rw/ubifs Pull UBI/UBIFS updates from Richard Weinberger: - fscrypt framework usage updates - One huge fix for xattr unlink - Cleanup of fscrypt ifdefs - Fix for our new UBIFS auth feature * tag 'upstream-5.2-rc1' of ssh://gitolite.kernel.org/pub/scm/linux/kernel/git/rw/ubifs: ubi: wl: Fix uninitialized variable ubifs: Drop unnecessary setting of zbr->znode ubifs: Remove ifdefs around CONFIG_UBIFS_ATIME_SUPPORT ubifs: Remove #ifdef around CONFIG_FS_ENCRYPTION ubifs: Limit number of xattrs per inode ubifs: orphan: Handle xattrs like files ubifs: journal: Handle xattrs like files ubifs: find.c: replace swap function with built-in one ubifs: Do not skip hash checking in data nodes ubifs: work around high stack usage with clang ubifs: remove unused function __ubifs_shash_final ubifs: remove unnecessary #ifdef around fscrypt_ioctl_get_policy() ubifs: remove unnecessary calls to set up directory key |
||
|
Linus Torvalds
|
4dbf09fea6 |
This pull request contains the following changes for MTD:
MTD core changes:
- New AFS partition parser
- Update MAINTAINERS entry
- Use of fall-throughs markers
NAND core changes:
- Support having the bad block markers in either the first, second or
last page of a block. The combination of all three location is now
possible.
- Constification of NAND_OP_PARSER(_PATTERN) elements.
- Generic NAND DT bindings changed to yaml format (can be used to
check the proposed bindings. First platform to be fully supported:
sunxi.
- Stopped using several legacy hooks.
- Preparation to use the generic NAND layer with the addition of
several helpers and the removal of the struct nand_chip from generic
functions.
- Kconfig cleanup to prepare the introduction of external ECC engines
support.
- Fallthrough comments.
- Introduction of the SPI-mem dirmap API for SPI-NAND devices.
Raw NAND controller drivers changes:
- nandsim:
* Switch to ->exec-op().
- meson:
* Misc cleanups and fixes.
* New OOB layout.
- Sunxi:
* A23/A33 NAND DMA support.
- Ingenic:
* Full reorganization and cleanup.
* Clear separation between NAND controller and ECC engine.
* Support JZ4740 an JZ4725B.
- Denali:
* Clear controller/chip separation.
* ->exec_op() migration.
* Various cleanups.
- fsl_elbc:
* Enable software ECC support.
- Atmel:
* Sam9x60 support.
- GPMI:
* Introduce the GPMI_IS_MXS() macro.
- Various trivial/spelling/coding style fixes.
SPI NOR core changes:
- Print all JEDEC ID bytes on error
- Fix comment of spi_nor_find_best_erase_type()
- Add region locking flags for s25fl512s
SPI NOR controller drivers changes:
- intel-spi:
* Avoid crossing 4K address boundary on read/write
* Add support for Intel Comet Lake SPI serial flash
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Merge tag 'mtd/for-5.2' of ssh://gitolite.kernel.org/pub/scm/linux/kernel/git/mtd/linux
Pull MTD updates from Richard Weinberger:
"MTD core changes:
- New AFS partition parser
- Update MAINTAINERS entry
- Use of fall-throughs markers
NAND core changes:
- Support having the bad block markers in either the first, second or
last page of a block. The combination of all three location is now
possible.
- Constification of NAND_OP_PARSER(_PATTERN) elements.
- Generic NAND DT bindings changed to yaml format (can be used to
check the proposed bindings. First platform to be fully supported:
sunxi.
- Stopped using several legacy hooks.
- Preparation to use the generic NAND layer with the addition of
several helpers and the removal of the struct nand_chip from
generic functions.
- Kconfig cleanup to prepare the introduction of external ECC engines
support.
- Fallthrough comments.
- Introduction of the SPI-mem dirmap API for SPI-NAND devices.
Raw NAND controller drivers changes:
- nandsim:
- Switch to ->exec-op().
- meson:
- Misc cleanups and fixes.
- New OOB layout.
- Sunxi:
- A23/A33 NAND DMA support.
- Ingenic:
- Full reorganization and cleanup.
- Clear separation between NAND controller and ECC engine.
- Support JZ4740 an JZ4725B.
- Denali:
- Clear controller/chip separation.
- ->exec_op() migration.
- Various cleanups.
- fsl_elbc:
- Enable software ECC support.
- Atmel:
- Sam9x60 support.
- GPMI:
- Introduce the GPMI_IS_MXS() macro.
- Various trivial/spelling/coding style fixes.
SPI NOR core changes:
- Print all JEDEC ID bytes on error
- Fix comment of spi_nor_find_best_erase_type()
- Add region locking flags for s25fl512s
SPI NOR controller drivers changes:
- intel-spi:
- Avoid crossing 4K address boundary on read/write
- Add support for Intel Comet Lake SPI serial flash"
* tag 'mtd/for-5.2' of ssh://gitolite.kernel.org/pub/scm/linux/kernel/git/mtd/linux: (120 commits)
mtd: part: fix incorrect format specifier for an unsigned long long
mtd: lpddr_cmds: Mark expected switch fall-through
mtd: phram: Mark expected switch fall-throughs
mtd: cfi_cmdset_0002: Mark expected switch fall-throughs
mtd: cfi_util: mark expected switch fall-throughs
MAINTAINERS: MTD Git repository is hosted on kernel.org
MAINTAINERS: Update jffs2 entry
mtd: afs: add v2 partition parsing
mtd: afs: factor the IIS read into partition parser
mtd: afs: factor footer parsing into the v1 part parsing
mtd: factor out v1 partition parsing
mtd: afs: simplify partition detection
mtd: afs: simplify partition parsing
mtd: partitions: Add OF support to AFS partitions
mtd: partitions: Add AFS partitions DT bindings
mtd: afs: Move AFS partition parser to parsers subdir
mtd: maps: Make uclinux_ram_map static
mtd: maps: Allow MTD_PHYSMAP with MTD_RAM
MAINTAINERS: Add myself as MTD maintainer
MAINTAINERS: Remove my name from the MTD and NAND entries
...
|
||
|
Linus Torvalds
|
983dfa4b6e |
This pull request contains the following changes for UML:
- Kconfig cleanups - Fix cpu_all_mask() usage - Various bug fixes -----BEGIN PGP SIGNATURE----- iQJKBAABCAA0FiEEdgfidid8lnn52cLTZvlZhesYu8EFAlzYi30WHHJpY2hhcmRA c2lnbWEtc3Rhci5hdAAKCRBm+VmF6xi7wdDcD/wLx0xljjSb+j08VVSvVWGah1Vl DMVyLp1Eik8KRnc6vR+IfC6qDE2+QmJvcLLx4IQ8wpgce+mvhLSy0+8SNsU9tz7t 7ZYVR++L3If3dx72J1aJquQt4PNLQn7QAdPWOA/FiYy4mqjxZUg4HVwf/Oge/2Un jfom649xl1gdcYlXTCOadb4Xmqo1BSEW+Ms1zqrQlBpU6ePMvojPkjBMdaCbCjMg bLt4XjtVbgBH3FnH0ZvuDzrMW229LiLot4KF0iUW36/gV/ZRATbinst5AQ5mUsMP GgrqbeU+wDdzt73p/l1NG7u3DZHOhoAW1ZWTqwBMKiazQiJPa90V9TIOwbnSl7zc hBEKKkU/u6p5E5TADcTty9ZJfCM+3Zatqt004WSbi+ug363G08XrTb3wWz6AruQ/ 9shTUmzwYsK1Bzllf2T2WShBrN+vMdmpzf4+v66N1KhcPrb7Eh81N/VhQG+rvfSb Ju/lDhu6OxlHr9OlGinI0SCLgjpk3qWcNd1noFdQsTewIopQsOL6H4R7711md3ow PWl7HAspvCRD3ub12y0wS3bb/4AUyoBrMDT/VBfk2vH0BbCzlR/ckaKE+lk2Y2Mr BpURt1zcqnpqi5LqRC//dhCFPyzpXd+yYVy1P6bN8q5lvfuIoaRdl2YeWjMfoo0v r+loEdGNa57Qj67ncg== =HB9o -----END PGP SIGNATURE----- Merge tag 'for-linus-5.2-rc1' of ssh://gitolite.kernel.org/pub/scm/linux/kernel/git/rw/uml Pull UML updates from Richard Weinberger: - Kconfig cleanups - Fix cpu_all_mask() usage - Various bug fixes * tag 'for-linus-5.2-rc1' of ssh://gitolite.kernel.org/pub/scm/linux/kernel/git/rw/uml: um: irq: don't set the chip for all irqs um: define set_pte_at() as a static inline function, not a macro um: remove uses of variable length arrays um: remove unused variable uml: fix a boot splat wrt use of cpu_all_mask um: Do not unlock mutex that is not hold. hostfs: fix mismatch between link_file definition and declaration arch: um: drivers: Kconfig: pedantic formatting arch: um: Kconfig: pedantic indention cleanups um: Revert to using stack for pt_regs in signal handling |
||
Hariprasad Kelam
|
3285a9aa65 |
net: dccp : proto: remove Unneeded variable "err"
Fix below issue reported by coccicheck net/dccp/proto.c:266:5-8: Unneeded variable: "err". Return "0" on line 310 Signed-off-by: Hariprasad Kelam <hariprasad.kelam@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net> |
||
David S. Miller
|
08b0dec449 |
Merge branch 'dsa-Fix-a-bug-and-avoid-dangerous-usage-patterns'
Vladimir Oltean says: ==================== Fix a bug and avoid dangerous usage patterns around DSA_SKB_CB Making DSA use the sk_buff control block was my idea during the 'Traffic-support-for-SJA1105-DSA-driver' patchset, and I had also introduced a series of macro helpers that turned out to not be so helpful: 1. DSA_SKB_ZERO() zeroizes the 48-byte skb->cb area, but due to the high performance impact in the hotpath it was only intended to be called from the timestamping path. But it turns out that not zeroizing it has uncovered the reading of an uninitialized member field of DSA_SKB_CB, so in the future just be careful about what needs initialization and remove this macro. 2. DSA_SKB_CLONE() contains a flaw in its body definition (originally put there to silence checkpatch.pl) and is unusable at this point (will only cause NPE's when used). So remove it. 3. For DSA_SKB_COPY() the same performance considerations apply as above and therefore it's best to prune this function before it reaches a stable kernel and potentially any users. ==================== Signed-off-by: David S. Miller <davem@davemloft.net> |
||
Vladimir Oltean
|
1c9b1420ac |
net: dsa: Remove the now unused DSA_SKB_CB_COPY() macro
It's best to not expose this, due to the performance hit it may cause
when calling it.
Fixes:
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Vladimir Oltean
|
506f0e09ce |
net: dsa: Remove dangerous DSA_SKB_CLONE() macro
This does not cause any bug now because it has no users, but its body
contains two pointer definitions within a code block:
struct sk_buff *clone = _clone; \
struct sk_buff *skb = _skb; \
When calling the macro as DSA_SKB_CLONE(clone, skb), these variables
would obscure the arguments that the macro was called with, and the
initializers would be a no-op instead of doing their job (undefined
behavior, by the way, but GCC nicely puts NULL pointers instead).
So simply remove this broken macro and leave users to simply call
"DSA_SKB_CB(skb)->clone = clone" by hand when needed.
There is one functional difference when doing what I just suggested
above: the control block won't be transferred from the original skb into
the clone. Since there's no foreseen need for the control block in the
clone ATM, this is ok.
Fixes:
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Vladimir Oltean
|
8767137510 |
net: dsa: Initialize DSA_SKB_CB(skb)->deferred_xmit variable
The sk_buff control block can have any contents on xmit put there by the
stack, so initialization is mandatory, since we are checking its value
after the actual DSA xmit (the tagger may have changed it).
The DSA_SKB_ZERO() macro could have been used for this purpose, but:
- Zeroizing a 48-byte memory region in the hotpath is best avoided.
- It would have triggered a warning with newer compilers since
__dsa_skb_cb contains a structure within a structure, and the {0}
initializer was incorrect for that purpose.
So simply remove the DSA_SKB_ZERO() macro and initialize the
deferred_xmit variable by hand (which should be done for all further
dsa_skb_cb variables which need initialization - currently none - to
avoid the performance penalty).
Fixes:
|
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Florian Westphal
|
92285a079e |
netfilter: nf_tables: correct NFT_LOGLEVEL_MAX value
should be same as NFT_LOGLEVEL_AUDIT, so use -, not +.
Fixes:
|
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Linus Torvalds
|
47782361ac |
chrome platform changes for v5.2
CrOS EC: - Add EC host command support using rpmsg - Add new CrOS USB PD logging driver - Transfer spi messages at high priority - Add support to trace CrOS EC commands - Minor fixes and cleanups in protocol and debugfs Wilco EC: - Standardize Wilco EC mailbox interface - Add h1_gpio status to debugfs -----BEGIN PGP SIGNATURE----- iQIzBAABCgAdFiEE6gYDF28Li+nEiKLaHwn1ewov5lgFAlzV61YACgkQHwn1ewov 5lgEFw//S7GVmBrFxcqu5wAjF1CW+mOGi3y6nVuTAHanWG/hJGWT+itOwsdDp6c9 TggYgohprz64JAZOPqPCTonV/qbxgsfKrSQRxFDtHH4F1iEUF46fnlsULDKi8VwM Qzj4g4d//ePsOwHOsYVrbJRU2qKyF6Rm2hpOxKfI9u2Dv5fxLFu6fxUhrSq1Inr6 U67j7pxBwOnBtN2A6hMKHZaOUVkSNYT6azSPO3Z2YH0aky2Baxw/LPoRnbCNhwUQ iyneX5+K0wpCz2fpnBF/QSh1QBACeyfrO6HHA+flfaejhShaWttrS36Gar+sdHFN p6eeR1CoEJZbRY79Eetj8Cv5Be1ivVG/SC5JF4O1apAAn87wXLI6AaLG/03ul0vc KOkcjrXMxISRlAUr+OKD0rg3Uo2oI0ht70XMT9DDsCRNDoVHvkDQJNdkWrKq+E1c xL4YeLofZpcEN+Oe/WnwUZtYUdY3qcWs+C4hV+h0L0Ke5xir25DEUfF3j3J/uK2B JEgkTpH8j6YjbGAErBPkTxWt5HE3oWtkK4moPlrfPKfxoSo2eRDvqz68qHsgIn8p WBM+FSr+dQ7qyYDigMKrFSesiBpwCBI4lIgPxkvTxqbubaoZcsABHm3BUGjykXII E5z2qsgRnDrB+uGGDkTvDoR0Kr3U0hGlag7u/N61H86PoiMLUig= =NF5N -----END PGP SIGNATURE----- Merge tag 'tag-chrome-platform-for-v5.2' of ssh://gitolite.kernel.org/pub/scm/linux/kernel/git/chrome-platform/linux Pull chrome platform updates from Benson Leung: "CrOS EC: - Add EC host command support using rpmsg - Add new CrOS USB PD logging driver - Transfer spi messages at high priority - Add support to trace CrOS EC commands - Minor fixes and cleanups in protocol and debugfs Wilco EC: - Standardize Wilco EC mailbox interface - Add h1_gpio status to debugfs" * tag 'tag-chrome-platform-for-v5.2' of ssh://gitolite.kernel.org/pub/scm/linux/kernel/git/chrome-platform/linux: platform/chrome: cros_ec_proto: Add trace event to trace EC commands platform/chrome: cros_ec_debugfs: Use cros_ec_cmd_xfer_status helper platform/chrome: cros_ec: Add EC host command support using rpmsg platform/chrome: wilco_ec: Add h1_gpio status to debugfs platform/chrome: wilco_ec: Standardize mailbox interface platform/chrome: cros_ec_proto: check for NULL transfer function platform/chrome: Add CrOS USB PD logging driver platform/chrome: cros_ec_spi: Transfer messages at high priority platform/chrome: cros_ec_debugfs: no need to check return value of debugfs_create functions platform/chrome: cros_ec_debugfs: Remove dev_warn when console log is not supported |
||
Heiner Kallweit
|
8f779443b4 |
net: phy: realtek: fix double page ops in generic Realtek driver
When adding missing callbacks I missed that one had them set already.
Interesting that the compiler didn't complain.
Fixes:
|
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Nicholas Mc Guire
|
8f5e24514c |
net: qrtr: use protocol endiannes variable
sparse was unable to verify endiannes correctness due to reassignment from le32_to_cpu to the same variable - fix this warning up by providing a proper __le32 type and initializing it. This is not actually fixing any bug - rather just addressing the sparse warning. Signed-off-by: Nicholas Mc Guire <hofrat@osadl.org> Signed-off-by: David S. Miller <davem@davemloft.net> |
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|
Linus Torvalds
|
8148c17b17 |
This is the bulk of the GPIO changes for the v5.2 kernel cycle:
Core changes:
- The gpiolib MMIO driver has been enhanced to handle two direction
registers, i.e. one register to set lines as input and one register
to set lines as output. It turns out some silicon engineer thinks
the ability to configure a line as input and output at the same
time makes sense, this can be debated but includes a lot of analog
electronics reasoning, and the registers are there and need to
be handled consistently. Unsurprisingly, we enforce the lines to
be either inputs or outputs in such schemes.
- Send in the proper argument value to .set_config() dispatched to
the pin control subsystem. Nobody used it before, now someone
does, so fix it to work as expected.
- The ACPI gpiolib portions can now handle pin bias setting (pull up
or pull down). This has been in the ACPI spec for years and we
finally have it properly integrated with Linux GPIOs. It was based
on an observation from Andy Schevchenko that Thomas Petazzoni's
changes to the core for biasing the PCA950x GPIO expander actually
happen to fit hand-in-glove with what the ACPI core needed.
Such nice synergies happen sometimes.
New drivers:
- A new driver for the Mellanox BlueField GPIO controller. This is
using 64bit MMIO registers and can configure lines as inputs
and outputs at the same time and after improving the MMIO library
we handle it just fine. Interesting.
- A new IXP4xx proper gpiochip driver with hierarchical interrupts
should be coming in from the ARM SoC tree as well.
Driver enhancements:
- The PCA053x driver handles the CAT9554 GPIO expander.
- The PCA053x driver handles the NXP PCAL6416 GPIO expander.
- Wake-up support on PCA053x GPIO lines.
- OMAP now does a nice asynchronous IRQ handling on wake-ups by
letting everything wake up on edges, and this makes runtime PM
work as expected too.
Misc:
- Several cleanups such as devres fixes.
- Get rid of some languager comstructs that cause problems when
compiling with LLVMs clang.
- Documentation review and update.
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Merge tag 'gpio-v5.2-1' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-gpio
Pull gpio updates from Linus Walleij:
"This is the bulk of the GPIO changes for the v5.2 kernel cycle. A bit
later than usual because I was ironing out my own mistakes. I'm
holding some stuff back for the next kernel as a result, and this
should be a healthy and well tested batch.
Core changes:
- The gpiolib MMIO driver has been enhanced to handle two direction
registers, i.e. one register to set lines as input and one register
to set lines as output. It turns out some silicon engineer thinks
the ability to configure a line as input and output at the same
time makes sense, this can be debated but includes a lot of analog
electronics reasoning, and the registers are there and need to be
handled consistently. Unsurprisingly, we enforce the lines to be
either inputs or outputs in such schemes.
- Send in the proper argument value to .set_config() dispatched to
the pin control subsystem. Nobody used it before, now someone does,
so fix it to work as expected.
- The ACPI gpiolib portions can now handle pin bias setting (pull up
or pull down). This has been in the ACPI spec for years and we
finally have it properly integrated with Linux GPIOs. It was based
on an observation from Andy Schevchenko that Thomas Petazzoni's
changes to the core for biasing the PCA950x GPIO expander actually
happen to fit hand-in-glove with what the ACPI core needed. Such
nice synergies happen sometimes.
New drivers:
- A new driver for the Mellanox BlueField GPIO controller. This is
using 64bit MMIO registers and can configure lines as inputs and
outputs at the same time and after improving the MMIO library we
handle it just fine. Interesting.
- A new IXP4xx proper gpiochip driver with hierarchical interrupts
should be coming in from the ARM SoC tree as well.
Driver enhancements:
- The PCA053x driver handles the CAT9554 GPIO expander.
- The PCA053x driver handles the NXP PCAL6416 GPIO expander.
- Wake-up support on PCA053x GPIO lines.
- OMAP now does a nice asynchronous IRQ handling on wake-ups by
letting everything wake up on edges, and this makes runtime PM work
as expected too.
Misc:
- Several cleanups such as devres fixes.
- Get rid of some languager comstructs that cause problems when
compiling with LLVMs clang.
- Documentation review and update"
* tag 'gpio-v5.2-1' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-gpio: (85 commits)
gpio: Update documentation
docs: gpio: convert docs to ReST and rename to *.rst
gpio: sch: Remove write-only core_base
gpio: pxa: Make two symbols static
gpiolib: acpi: Respect pin bias setting
gpiolib: acpi: Add acpi_gpio_update_gpiod_lookup_flags() helper
gpiolib: acpi: Set pin value, based on bias, more accurately
gpiolib: acpi: Change type of dflags
gpiolib: Introduce GPIO_LOOKUP_FLAGS_DEFAULT
gpiolib: Make use of enum gpio_lookup_flags consistent
gpiolib: Indent entry values of enum gpio_lookup_flags
gpio: pca953x: add support for pca6416
dt-bindings: gpio: pca953x: document the nxp,pca6416
gpio: pca953x: add pcal6416 to the of_device_id table
gpio: gpio-omap: Remove conditional pm_runtime handling for GPIO interrupts
gpio: gpio-omap: configure edge detection for level IRQs for idle wakeup
tracing: stop making gpio tracing configurable
gpio: pca953x: Configure wake-up path when wake-up is enabled
gpio: of: Optimize quirk checks
gpio: mmio: Drop bgpio_dir_inverted
...
|
||
|
Linus Torvalds
|
6fe567df04 |
VFIO updates for v5.2-rc1
- Improve dev_printk() usage (Bjorn Helgaas)
- Fix issue with blocking in !TASK_RUNNING state while waiting for
userspace to release devices (Farhan Ali)
- Fix error path cleanup in nvlink setup (Greg Kurz)
- mdev-core cleanups and fixes in preparation for more use cases
(Parav Pandit)
- Cornelia has volunteered as an official vfio reviewer (Cornelia Huck)
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Merge tag 'vfio-v5.2-rc1' of git://github.com/awilliam/linux-vfio
Pull VFIO updates from Alex Williamson:
- Improve dev_printk() usage (Bjorn Helgaas)
- Fix issue with blocking in !TASK_RUNNING state while waiting for
userspace to release devices (Farhan Ali)
- Fix error path cleanup in nvlink setup (Greg Kurz)
- mdev-core cleanups and fixes in preparation for more use cases (Parav
Pandit)
- Cornelia has volunteered as an official vfio reviewer (Cornelia Huck)
* tag 'vfio-v5.2-rc1' of git://github.com/awilliam/linux-vfio:
vfio: Add Cornelia Huck as reviewer
vfio/mdev: Avoid inline get and put parent helpers
vfio/mdev: Fix aborting mdev child device removal if one fails
vfio/mdev: Follow correct remove sequence
vfio/mdev: Avoid masking error code to EBUSY
vfio/mdev: Drop redundant extern for exported symbols
vfio/mdev: Removed unused kref
vfio/mdev: Avoid release parent reference during error path
vfio-pci/nvlink2: Fix potential VMA leak
vfio: Fix WARNING "do not call blocking ops when !TASK_RUNNING"
vfio: Use dev_printk() when possible
|
||
|
Linus Torvalds
|
c367dc8d0d |
Merge branch 'next-tomoyo2' of git://git.kernel.org/pub/scm/linux/kernel/git/jmorris/linux-security
Pull tomoyo updates from James Morris: "Fixes to enable fuzz testing, and a fix for calculating whether a filesystem is user-modifiable" * 'next-tomoyo2' of git://git.kernel.org/pub/scm/linux/kernel/git/jmorris/linux-security: tomoyo: Don't emit WARNING: string while fuzzing testing. tomoyo: Change pathname calculation for read-only filesystems. tomoyo: Check address length before reading address family tomoyo: Add a kernel config option for fuzzing testing. |
||
|
Linus Torvalds
|
7a5575212c |
Xtensa updates for v5.2:
- implement atomic operations using exclusive access Xtensa option operations. - add support for Xtensa cores with memory protection unit (MPU). - clean up xtensa-specific kernel-only headers. - fix error path in simdisk_setup. -----BEGIN PGP SIGNATURE----- iQJHBAABCAAxFiEEK2eFS5jlMn3N6xfYUfnMkfg/oEQFAlzV0oQTHGpjbXZia2Jj QGdtYWlsLmNvbQAKCRBR+cyR+D+gRHTkD/sETyrWaYCSvz07gcvxsauJgkKyikq3 oNsO6H0R9WzIRtofP7eIPe1me46YDxPGJxx3VEnJA1JWvUg8CU1UNmvA3ZD4yXp2 tA1G8/0WFbiKXX+svNXlIkCtBHm2Y9wdT2l1zfFLnQgyuJhr9uwrIY0YmQYM+INe bAX9PyDg2aa2GkCkZMFvMeFrMHEAx+ae/A9jYqhnsmrYbfIV/4qdcKpgm0lty/fv RRNx+eqDamI5EMnXQwW86/1YxB+KItKGSEQ3t/20jBXcH1tZsXAvcs91kKH1/nCE cR8w21yBWCulPSuACqqrwtZ+aCxsQ22O4QMtlmJEl0jsWOdOk47JeyLwAqbGZS7g nk5FQH7/aGU250HOCLEX1IdA0VZsOeJRXfJknFcEyfKi8JuhXZK/zHyhNE3VkpH5 cfA1dVRFH4qmKevEWygBfNyo8rR9E/0aaNhTzMUHXrIU07fxh5CQk9trIlwtWWsS kEV3bEsTMXdz3e4ev5HLUuJzLlYQ7Szs1HsgB5XPUsCC4kwbjKZTN8BtqIpx7P9K lDVplXKlHOd2SJ9Ii5eJ0Zn9cBdUulqrQzHlSg6kWyrfQ/QrY8OFwCM8hUQIWGir MrpSWfafjIudjdxN3lHEM8Gv0LzNmjwWrh6QJYlE08Ggi7QXM/BiXkgBDaeRItbl xLB9UsUsTL8OLQ== =aszE -----END PGP SIGNATURE----- Merge tag 'xtensa-20190510' of git://github.com/jcmvbkbc/linux-xtensa Pull xtensa updates from Max Filippov: - implement atomic operations using exclusive access Xtensa option operations - add support for Xtensa cores with memory protection unit (MPU) - clean up xtensa-specific kernel-only headers - fix error path in simdisk_setup * tag 'xtensa-20190510' of git://github.com/jcmvbkbc/linux-xtensa: xtensa: implement initialize_cacheattr for MPU cores xtensa: add exclusive atomics support xtensa: clean up inline assembly in futex.h xtensa: replace variant/core.h with asm/core.h xtensa: drop ifdef __KERNEL__ from kernel-only headers xtensa: set proper error code for simdisk_setup() xtensa: fix incorrect fd close in error case of simdisk_setup() |
||
Daniel Borkmann
|
af959b18fd |
bpf: fix out of bounds backwards jmps due to dead code removal
systemtap folks reported the following splat recently: [ 7790.862212] WARNING: CPU: 3 PID: 26759 at arch/x86/kernel/kprobes/core.c:1022 kprobe_fault_handler+0xec/0xf0 [...] [ 7790.864113] CPU: 3 PID: 26759 Comm: sshd Not tainted 5.1.0-0.rc7.git1.1.fc31.x86_64 #1 [ 7790.864198] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS[...] [ 7790.864314] RIP: 0010:kprobe_fault_handler+0xec/0xf0 [ 7790.864375] Code: 48 8b 50 [...] [ 7790.864714] RSP: 0018:ffffc06800bdbb48 EFLAGS: 00010082 [ 7790.864812] RAX: ffff9e2b75a16320 RBX: 0000000000000000 RCX: 0000000000000000 [ 7790.865306] RDX: ffffffffffffffff RSI: 000000000000000e RDI: ffffc06800bdbbf8 [ 7790.865514] RBP: ffffc06800bdbbf8 R08: 0000000000000000 R09: 0000000000000000 [ 7790.865960] R10: 0000000000000000 R11: 0000000000000000 R12: ffffc06800bdbbf8 [ 7790.866037] R13: ffff9e2ab56a0418 R14: ffff9e2b6d0bb400 R15: ffff9e2b6d268000 [ 7790.866114] FS: 00007fde49937d80(0000) GS:ffff9e2b75a00000(0000) knlGS:0000000000000000 [ 7790.866193] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 7790.866318] CR2: 0000000000000000 CR3: 000000012f312000 CR4: 00000000000006e0 [ 7790.866419] Call Trace: [ 7790.866677] do_user_addr_fault+0x64/0x480 [ 7790.867513] do_page_fault+0x33/0x210 [ 7790.868002] async_page_fault+0x1e/0x30 [ 7790.868071] RIP: 0010: (null) [ 7790.868144] Code: Bad RIP value. [ 7790.868229] RSP: 0018:ffffc06800bdbca8 EFLAGS: 00010282 [ 7790.868362] RAX: ffff9e2b598b60f8 RBX: ffffc06800bdbe48 RCX: 0000000000000004 [ 7790.868629] RDX: 0000000000000004 RSI: ffffc06800bdbc6c RDI: ffff9e2b598b60f0 [ 7790.868834] RBP: ffffc06800bdbcf8 R08: 0000000000000000 R09: 0000000000000004 [ 7790.870432] R10: 00000000ff6f7a03 R11: 0000000000000000 R12: 0000000000000001 [ 7790.871859] R13: ffffc06800bdbcb8 R14: 0000000000000000 R15: ffff9e2acd0a5310 [ 7790.873455] ? vfs_read+0x5/0x170 [ 7790.874639] ? vfs_read+0x1/0x170 [ 7790.875834] ? trace_call_bpf+0xf6/0x260 [ 7790.877044] ? vfs_read+0x1/0x170 [ 7790.878208] ? vfs_read+0x5/0x170 [ 7790.879345] ? kprobe_perf_func+0x233/0x260 [ 7790.880503] ? vfs_read+0x1/0x170 [ 7790.881632] ? vfs_read+0x5/0x170 [ 7790.882751] ? kprobe_ftrace_handler+0x92/0xf0 [ 7790.883926] ? __vfs_read+0x30/0x30 [ 7790.885050] ? ftrace_ops_assist_func+0x94/0x100 [ 7790.886183] ? vfs_read+0x1/0x170 [ 7790.887283] ? vfs_read+0x5/0x170 [ 7790.888348] ? ksys_read+0x5a/0xe0 [ 7790.889389] ? do_syscall_64+0x5c/0xa0 [ 7790.890401] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe After some debugging, turns out that the logic in |
||
Chris Packham
|
259799ea5a |
gcc-plugins: arm_ssp_per_task_plugin: Fix for older GCC < 6
Use gen_rtx_set instead of gen_rtx_SET. The former is a wrapper macro
that handles the difference between GCC versions implementing
the latter.
This fixes the following error on my system with g++ 5.4.0 as the host
compiler
HOSTCXX -fPIC scripts/gcc-plugins/arm_ssp_per_task_plugin.o
scripts/gcc-plugins/arm_ssp_per_task_plugin.c:42:14: error: macro "gen_rtx_SET" requires 3 arguments, but only 2 given
mask)),
^
scripts/gcc-plugins/arm_ssp_per_task_plugin.c: In function ‘unsigned int arm_pertask_ssp_rtl_execute()’:
scripts/gcc-plugins/arm_ssp_per_task_plugin.c:39:20: error: ‘gen_rtx_SET’ was not declared in this scope
emit_insn_before(gen_rtx_SET
Signed-off-by: Chris Packham <chris.packham@alliedtelesis.co.nz>
Fixes:
|
||
|
Heiner Kallweit
|
daf3ddbe11 |
net: phy: realtek: add missing page operations
Add missing page operation callbacks to few Realtek drivers.
This also fixes a NPE after the referenced commit added code to the
RTL8211E driver that uses phy_select_page().
Fixes:
|
||
|
David S. Miller
|
9593dc3535 |
Merge branch 'of_get_mac_address-fixes'
Petr Štetiar says: ==================== of_get_mac_address fixes this patch series is hopefuly the last series of the fixes which are related to the introduction of NVMEM support into of_get_mac_address. First patch is removing `nvmem-mac-address` property which was wrong idea as I've allocated the property with devm_kzalloc and then added it to DT, so then 2 entities would be refcounting the allocation. So if the driver unbinds, the buffer is freed, but DT code would be still referencing that memory. Second patch fixes some unwanted references to the Linux API in the DT bindings documentation. Patches 3-5 should hopefully make compilers and thus kbuild test robot happy. ==================== Signed-off-by: David S. Miller <davem@davemloft.net> |
||
Petr Štetiar
|
1b9705d971 |
net: wireless: mt76: fix similar warning reported by kbuild test robot
This patch fixes following (similar) warning reported by kbuild test robot:
In function ‘memcpy’,
inlined from ‘smsc75xx_init_mac_address’ at drivers/net/usb/smsc75xx.c:778:3,
inlined from ‘smsc75xx_bind’ at drivers/net/usb/smsc75xx.c:1501:2:
./include/linux/string.h:355:9: warning: argument 2 null where non-null expected [-Wnonnull]
return __builtin_memcpy(p, q, size);
^~~~~~~~~~~~~~~~~~~~~~~~~~~~
drivers/net/usb/smsc75xx.c: In function ‘smsc75xx_bind’:
./include/linux/string.h:355:9: note: in a call to built-in function ‘__builtin_memcpy’
I've replaced the offending memcpy with ether_addr_copy, because I'm
100% sure, that of_get_mac_address can't return NULL as it returns valid
pointer or ERR_PTR encoded value, nothing else.
I'm hesitant to just change IS_ERR into IS_ERR_OR_NULL check, as this
would make the warning disappear also, but it would be confusing to
check for impossible return value just to make a compiler happy.
I'm now changing all occurencies of memcpy to ether_addr_copy after the
of_get_mac_address call, as it's very likely, that we're going to get
similar reports from kbuild test robot in the future.
Fixes:
|
||
|
Petr Štetiar
|
2d2924af96 |
net: ethernet: fix similar warning reported by kbuild test robot
This patch fixes following (similar) warning reported by kbuild test robot:
In function ‘memcpy’,
inlined from ‘smsc75xx_init_mac_address’ at drivers/net/usb/smsc75xx.c:778:3,
inlined from ‘smsc75xx_bind’ at drivers/net/usb/smsc75xx.c:1501:2:
./include/linux/string.h:355:9: warning: argument 2 null where non-null expected [-Wnonnull]
return __builtin_memcpy(p, q, size);
^~~~~~~~~~~~~~~~~~~~~~~~~~~~
drivers/net/usb/smsc75xx.c: In function ‘smsc75xx_bind’:
./include/linux/string.h:355:9: note: in a call to built-in function ‘__builtin_memcpy’
I've replaced the offending memcpy with ether_addr_copy, because I'm
100% sure, that of_get_mac_address can't return NULL as it returns valid
pointer or ERR_PTR encoded value, nothing else.
I'm hesitant to just change IS_ERR into IS_ERR_OR_NULL check, as this
would make the warning disappear also, but it would be confusing to
check for impossible return value just to make a compiler happy.
I'm now changing all occurencies of memcpy to ether_addr_copy after the
of_get_mac_address call, as it's very likely, that we're going to get
similar reports from kbuild test robot in the future.
Fixes:
|
||
|
Petr Štetiar
|
1be9131453 |
powerpc: tsi108: fix similar warning reported by kbuild test robot
This patch fixes following (similar) warning reported by kbuild test robot:
In function ‘memcpy’,
inlined from ‘smsc75xx_init_mac_address’ at drivers/net/usb/smsc75xx.c:778:3,
inlined from ‘smsc75xx_bind’ at drivers/net/usb/smsc75xx.c:1501:2:
./include/linux/string.h:355:9: warning: argument 2 null where non-null expected [-Wnonnull]
return __builtin_memcpy(p, q, size);
^~~~~~~~~~~~~~~~~~~~~~~~~~~~
drivers/net/usb/smsc75xx.c: In function ‘smsc75xx_bind’:
./include/linux/string.h:355:9: note: in a call to built-in function ‘__builtin_memcpy’
I've replaced the offending memcpy with ether_addr_copy, because I'm
100% sure, that of_get_mac_address can't return NULL as it returns valid
pointer or ERR_PTR encoded value, nothing else.
I'm hesitant to just change IS_ERR into IS_ERR_OR_NULL check, as this
would make the warning disappear also, but it would be confusing to
check for impossible return value just to make a compiler happy.
I'm now changing all occurencies of memcpy to ether_addr_copy after the
of_get_mac_address call, as it's very likely, that we're going to get
similar reports from kbuild test robot in the future.
Fixes:
|
||
|
Petr Štetiar
|
5182895027 |
dt-bindings: doc: net: remove Linux API references
In commit |
||
|
Petr Štetiar
|
265749861a |
of_net: remove nvmem-mac-address property
In commit |
||
Thomas Falcon
|
0655f9943d |
net/ibmvnic: Update carrier state after link state change
Only set the device carrier state to on after receiving an up link state indication from the underlying adapter. Likewise, if a down link indication is receieved, update the carrier state accordingly. This fix ensures that accurate carrier state is reported by the driver following a link state update by the underlying adapter. Signed-off-by: Thomas Falcon <tlfalcon@linux.ibm.com> Signed-off-by: David S. Miller <davem@davemloft.net> |
||
|
Thomas Falcon
|
62740e9788 |
net/ibmvnic: Update MAC address settings after adapter reset
It was discovered in testing that the underlying hardware MAC address will revert to initial settings following a device reset, but the driver fails to resend the current OS MAC settings. This oversight can result in dropped packets should the scenario occur. Fix this by informing hardware of current MAC address settings following any adapter initialization or resets. Signed-off-by: Thomas Falcon <tlfalcon@linux.ibm.com> Signed-off-by: David S. Miller <davem@davemloft.net> |
||
YueHaibing
|
b96a54154b |
dsa: tag_brcm: Fix build error without CONFIG_NET_DSA_TAG_BRCM_PREPEND
Fix gcc build error:
net/dsa/tag_brcm.c:211:16: error: brcm_prepend_netdev_ops undeclared here (not in a function); did you mean brcm_netdev_ops?
DSA_TAG_DRIVER(brcm_prepend_netdev_ops);
^
./include/net/dsa.h:708:10: note: in definition of macro DSA_TAG_DRIVER
.ops = &__ops, \
^~~~~
./include/net/dsa.h:701:36: warning: dsa_tag_driver_brcm_prepend_netdev_ops defined but not used [-Wunused-variable]
#define DSA_TAG_DRIVER_NAME(__ops) dsa_tag_driver ## _ ## __ops
^
./include/net/dsa.h:707:30: note: in expansion of macro DSA_TAG_DRIVER_NAME
static struct dsa_tag_driver DSA_TAG_DRIVER_NAME(__ops) = { \
^~~~~~~~~~~~~~~~~~~
net/dsa/tag_brcm.c:211:1: note: in expansion of macro DSA_TAG_DRIVER
DSA_TAG_DRIVER(brcm_prepend_netdev_ops);
Like the CONFIG_NET_DSA_TAG_BRCM case,
brcm_prepend_netdev_ops and DSA_TAG_PROTO_BRCM_PREPEND
should be wrappeed by CONFIG_NET_DSA_TAG_BRCM_PREPEND.
Reported-by: Hulk Robot <hulkci@huawei.com>
Fixes:
|
||
Tobin C. Harding
|
bdfad5aec1 |
bridge: Fix error path for kobject_init_and_add()
Currently error return from kobject_init_and_add() is not followed by a call to kobject_put(). This means there is a memory leak. We currently set p to NULL so that kfree() may be called on it as a noop, the code is arguably clearer if we move the kfree() up closer to where it is called (instead of after goto jump). Remove a goto label 'err1' and jump to call to kobject_put() in error return from kobject_init_and_add() fixing the memory leak. Re-name goto label 'put_back' to 'err1' now that we don't use err1, following current nomenclature (err1, err2 ...). Move call to kfree out of the error code at bottom of function up to closer to where memory was allocated. Add comment to clarify call to kfree(). Signed-off-by: Tobin C. Harding <tobin@kernel.org> Signed-off-by: David S. Miller <davem@davemloft.net> |
||
Tetsuo Handa
|
4ad98ac464 |
tomoyo: Don't emit WARNING: string while fuzzing testing.
Commit cff0e6c3ec3e6230 ("tomoyo: Add a kernel config option for fuzzing
testing.") enabled the learning mode, but syzkaller is detecting any
"WARNING:" string as a crash. Thus, disable TOMOYO's quota warning if
built for fuzzing testing.
Signed-off-by: Tetsuo Handa <penguin-kernel@I-love.SAKURA.ne.jp>
Cc: Dmitry Vyukov <dvyukov@google.com>
Signed-off-by: James Morris <jamorris@linux.microsoft.com>
|
||
|
Tetsuo Handa
|
27df4b4a1b |
tomoyo: Change pathname calculation for read-only filesystems.
Commit
|
||
|
Tetsuo Handa
|
e6193f78bb |
tomoyo: Check address length before reading address family
KMSAN will complain if valid address length passed to bind()/connect()/
sendmsg() is shorter than sizeof("struct sockaddr"->sa_family) bytes.
Signed-off-by: Tetsuo Handa <penguin-kernel@I-love.SAKURA.ne.jp>
Signed-off-by: James Morris <jamorris@linux.microsoft.com>
|
||
|
Tetsuo Handa
|
e80b18599a |
tomoyo: Add a kernel config option for fuzzing testing.
syzbot is reporting kernel panic triggered by memory allocation fault injection before loading TOMOYO's policy [1]. To make the fuzzing tests useful, we need to assign a profile other than "disabled" (no-op) mode. Therefore, let's allow syzbot to load TOMOYO's built-in policy for "learning" mode using a kernel config option. This option must not be enabled for kernels built for production system, for this option also disables domain/program checks when modifying policy configuration via /sys/kernel/security/tomoyo/ interface. [1] https://syzkaller.appspot.com/bug?extid=29569ed06425fcf67a95 Reported-by: syzbot <syzbot+e1b8084e532b6ee7afab@syzkaller.appspotmail.com> Reported-by: syzbot <syzbot+29569ed06425fcf67a95@syzkaller.appspotmail.com> Reported-by: syzbot <syzbot+2ee3f8974c2e7dc69feb@syzkaller.appspotmail.com> Signed-off-by: Tetsuo Handa <penguin-kernel@I-love.SAKURA.ne.jp> Signed-off-by: James Morris <jamorris@linux.microsoft.com> |
||
Dmitry Torokhov
|
14e0c7317e |
Merge branch 'next' into for-linus
Prepare input updates for 5.2 merge window. |
||
|
Linus Torvalds
|
1fb3b526df |
Some late arriving documentation changes. In particular, this contains the
conversion of the x86 docs to RST, which has been in the works for some time but needed a couple of final tweaks. -----BEGIN PGP SIGNATURE----- iQFDBAABCAAtFiEEIw+MvkEiF49krdp9F0NaE2wMflgFAlzVlVoPHGNvcmJldEBs d24ubmV0AAoJEBdDWhNsDH5YPWgH/1z+HO4QiLZ72kVxLf2U5r6FAo4CtQYLymL/ GiDabC7Jt7hobXdFQmDXhFnLOR/ibMnawJw2JAgWXDo33KenKGbE2OiW8ecsebSb hd1F3pU6P3gVTYItcuM8dZ6/0C/F98/J/O3O3sOhZ0Uup2WPxW5XdNOp7LjFQScc ENkgm2C5trs1wGjVswXWztGxSTcYrF7ehhjpWsFr9MUnUOI6ghvXX1akN3cEo7eo 7D8nvG2/HWOkf9Oq87/1uQxF6lERRqOQE+HN1J80XUsNTV5Hn40RP40FeebVv1rr 1GjUu+mKk/5uV+OlRWFqLbt10cU4+TKKfNTqfEchHyDOMpJD+S0= =hfly -----END PGP SIGNATURE----- Merge tag 'docs-5.2a' of git://git.lwn.net/linux Pull more documentation updates from Jonathan Corbet: "Some late arriving documentation changes. In particular, this contains the conversion of the x86 docs to RST, which has been in the works for some time but needed a couple of final tweaks" * tag 'docs-5.2a' of git://git.lwn.net/linux: (29 commits) Documentation: x86: convert x86_64/machinecheck to reST Documentation: x86: convert x86_64/cpu-hotplug-spec to reST Documentation: x86: convert x86_64/fake-numa-for-cpusets to reST Documentation: x86: convert x86_64/5level-paging.txt to reST Documentation: x86: convert x86_64/mm.txt to reST Documentation: x86: convert x86_64/uefi.txt to reST Documentation: x86: convert x86_64/boot-options.txt to reST Documentation: x86: convert i386/IO-APIC.txt to reST Documentation: x86: convert usb-legacy-support.txt to reST Documentation: x86: convert orc-unwinder.txt to reST Documentation: x86: convert resctrl_ui.txt to reST Documentation: x86: convert microcode.txt to reST Documentation: x86: convert pti.txt to reST Documentation: x86: convert amd-memory-encryption.txt to reST Documentation: x86: convert intel_mpx.txt to reST Documentation: x86: convert protection-keys.txt to reST Documentation: x86: convert pat.txt to reST Documentation: x86: convert mtrr.txt to reST Documentation: x86: convert tlb.txt to reST Documentation: x86: convert zero-page.txt to reST ... |
||
|
Linus Torvalds
|
e290e6af1d |
Printk fixup for 5.2
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||
|
Linus Torvalds
|
3232b43f72 |
pidfd fixes for v5.2-rc1
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Merge tag 'pidfd-fixes-v5.2-rc1' of gitolite.kernel.org:pub/scm/linux/kernel/git/brauner/linux
Pull pidfd fixes from Christian Brauner:
"This fixes two bugs:
- The first one reported by Linus whereby the pidfd-metadata binary
was not placed in a .gitignore file.
- The second one is rather urgent and fixes a locking issue found by
syzkaller.
What happened is that during process creation we need to check
whether the cgroup we are in allows us to fork. To perform this
check the cgroup needs to guard itself against threadgroup changes
and takes a lock.
Prior to CLONE_PIDFD the cleanup target "bad_fork_free_pid" would
also need to release said lock. That's not true anymore since
CLONE_PIDFD so this is fixed here.
Syzkaller has tested the patch and was not able to reproduce the
issue"
* tag 'pidfd-fixes-v5.2-rc1' of gitolite.kernel.org:pub/scm/linux/kernel/git/brauner/linux:
fork: do not release lock that wasn't taken
samples: add .gitignore for pidfd-metadata
|
||
|
Linus Torvalds
|
7817ffd20a |
platform-drivers-x86 for v5.2-1
New driver of power button for Basin Cove PMIC.
ASUS WMI driver has got a Fn lock mode switch support.
Resolve a never end story with non working Wi-Fi on newer Lenovo Ideapad
computers. Now the black list is replaced with white list.
New facility to debug S0ix failures on Intel Atom platforms. The Intel PMC
and accompanying drivers are cleaned up.
Mellanox got a new TmFifo driver. Besides tachometer sensor and watchdog
are enabled on Mellanox platforms.
The information of embedded controller is now recognized on new Thinkpads.
Bluetooth driver on Thinkpads is blacklisted for some models.
Touchscreen DMI driver extended to support 'jumper ezpad 6 pro b' and
Myria MY8307 2-in-1.
Additionally few small fixes here and there for WMI and ACPI laptop drivers.
The following is an automated git shortlog grouped by driver:
alienware-wmi:
- printing the wrong error code
- fix kfree on potentially uninitialized pointer
asus-wmi:
- Add fn-lock mode switch support
dell-laptop:
- fix rfkill functionality
dell-rbtn:
- Add missing #include
ideapad-laptop:
- Remove no_hw_rfkill_list
intel_pmc_core:
- Allow to dump debug registers on S0ix failure
- Convert to a platform_driver
- Mark local function static
intel_pmc_ipc:
- Don't map non-used optional resources
- Apply same width for offset definitions
- Use BIT() macro
- adding error handling
intel_punit_ipc:
- Revert "Fix resource ioremap warning"
mlx-platform:
- Add mlx-wdt platform driver activation
- Add support for tachometer speed register
- Add TmFifo driver for Mellanox BlueField Soc
sony-laptop:
- Fix unintentional fall-through
thinkpad_acpi:
- cleanup for Thinkpad ACPI led
- Mark expected switch fall-throughs
- fix spelling mistake "capabilites" -> "capabilities"
- Read EC information on newer models
- Disable Bluetooth for some machines
touchscreen_dmi:
- Add info for 'jumper ezpad 6 pro b' touchscreen
- Add info for Myria MY8307 2-in-1
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Merge tag 'platform-drivers-x86-v5.2-1' of git://git.infradead.org/linux-platform-drivers-x86
Pull x86 platform driver updates from Andy Shevchenko:
"Gathered pile of patches for Platform Drivers x86. No surprises and no
merge conflicts. Business as usual.
Summary:
- New driver of power button for Basin Cove PMIC.
- ASUS WMI driver has got a Fn lock mode switch support.
- Resolve a never end story with non working Wi-Fi on newer Lenovo
Ideapad computers. Now the black list is replaced with white list.
- New facility to debug S0ix failures on Intel Atom platforms. The
Intel PMC and accompanying drivers are cleaned up.
- Mellanox got a new TmFifo driver. Besides tachometer sensor and
watchdog are enabled on Mellanox platforms.
- The information of embedded controller is now recognized on new
Thinkpads. Bluetooth driver on Thinkpads is blacklisted for some
models.
- Touchscreen DMI driver extended to support 'jumper ezpad 6 pro b'
and Myria MY8307 2-in-1.
- Additionally few small fixes here and there for WMI and ACPI laptop
drivers.
- The following is an automated git shortlog grouped by driver:
- alienware-wmi:
- printing the wrong error code
- fix kfree on potentially uninitialized pointer
- asus-wmi:
- Add fn-lock mode switch support
- dell-laptop:
- fix rfkill functionality
- dell-rbtn:
- Add missing #include
- ideapad-laptop:
- Remove no_hw_rfkill_list
- intel_pmc_core:
- Allow to dump debug registers on S0ix failure
- Convert to a platform_driver
- Mark local function static
- intel_pmc_ipc:
- Don't map non-used optional resources
- Apply same width for offset definitions
- Use BIT() macro
- adding error handling
- intel_punit_ipc:
- Revert "Fix resource ioremap warning"
- mlx-platform:
- Add mlx-wdt platform driver activation
- Add support for tachometer speed register
- Add TmFifo driver for Mellanox BlueField Soc
- sony-laptop:
- Fix unintentional fall-through
- thinkpad_acpi:
- cleanup for Thinkpad ACPI led
- Mark expected switch fall-throughs
- fix spelling mistake "capabilites" -> "capabilities"
- Read EC information on newer models
- Disable Bluetooth for some machines
- touchscreen_dmi:
- Add info for 'jumper ezpad 6 pro b' touchscreen
- Add info for Myria MY8307 2-in-1"
* tag 'platform-drivers-x86-v5.2-1' of git://git.infradead.org/linux-platform-drivers-x86: (26 commits)
platform/x86: Add support for Basin Cove power button
platform/x86: asus-wmi: Add fn-lock mode switch support
platform/x86: ideapad-laptop: Remove no_hw_rfkill_list
platform/x86: touchscreen_dmi: Add info for 'jumper ezpad 6 pro b' touchscreen
platform/x86: thinkpad_acpi: cleanup for Thinkpad ACPI led
platform/x86: thinkpad_acpi: Mark expected switch fall-throughs
platform/x86: sony-laptop: Fix unintentional fall-through
platform/x86: alienware-wmi: printing the wrong error code
platform/x86: intel_pmc_core: Allow to dump debug registers on S0ix failure
platform/x86: intel_pmc_core: Convert to a platform_driver
platform/x86: mlx-platform: Add mlx-wdt platform driver activation
platform/x86: mlx-platform: Add support for tachometer speed register
platform/mellanox: Add TmFifo driver for Mellanox BlueField Soc
platform/x86: thinkpad_acpi: fix spelling mistake "capabilites" -> "capabilities"
platform/x86: intel_punit_ipc: Revert "Fix resource ioremap warning"
platform/x86: intel_pmc_ipc: Don't map non-used optional resources
platform/x86: intel_pmc_ipc: Apply same width for offset definitions
platform/x86: intel_pmc_ipc: Use BIT() macro
platform/x86: alienware-wmi: fix kfree on potentially uninitialized pointer
platform/x86: dell-laptop: fix rfkill functionality
...
|
||
|
Linus Torvalds
|
cccd559e98 |
fbdev changes for v5.2:
- fix regression in fbcon logo handling on 'quiet' boots (Andreas Schwab)
- fix divide-by-zero error in fb_var_to_videomode() (Shile Zhang)
- fix 'WARNING in __alloc_pages_nodemask' bug (Jiufei Xue)
- list all PCI memory BARs as conflicting apertures (Gerd Hoffmann)
- update udlfb driver - fix sleeping inside spinlock, add mutex around
rendering calls and remove redundant code (Mikulas Patocka)
- update sm712fb driver - fix SM720 support related issues (Yifeng Li)
- update macfb driver - fix DAFB colour table pointer initialization and
remove redundant code (Finn Thain)
- update atafb driver - fix kexec support, use dev_*() calls instead of
printk() and remove obsolete module support (Geert Uytterhoeven)
- add support to mxsfb driver for skipping display initialization for
flicker-free display takeover from bootloader (Melchior Franz)
- remove Versatile and Nomadik board families support from amba-clcd
driver as they are handled by DRM driver nowadays (Linus Walleij)
- remove no longer needed AVR and platform_data support from atmel_lcdfb
driver (Alexandre Belloni)
- misc fixes (Colin Ian King, Julia Lawall, Gustavo A. R. Silva, Aditya
Pakki, Kangjie Lu, YueHaibing)
- misc cleanups (Enrico Weigelt, Kefeng Wang)
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Merge tag 'fbdev-v5.2' of git://github.com/bzolnier/linux
Pull fbdev updates from Bartlomiej Zolnierkiewicz:
"Four small fixes for fb core, updates for udlfb, sm712fb, macfb and
atafb drivers. Redundant code removals from amba-clcd and atmel_lcdfb
drivers. Minor fixes/cleanups for other fb drivers
Detailed summary:
- fix regression in fbcon logo handling on 'quiet' boots (Andreas
Schwab)
- fix divide-by-zero error in fb_var_to_videomode() (Shile Zhang)
- fix 'WARNING in __alloc_pages_nodemask' bug (Jiufei Xue)
- list all PCI memory BARs as conflicting apertures (Gerd Hoffmann)
- update udlfb driver: fix sleeping inside spinlock, add mutex around
rendering calls and remove redundant code (Mikulas Patocka)
- update sm712fb driver: fix SM720 support related issues (Yifeng Li)
- update macfb driver: fix DAFB colour table pointer initialization
and remove redundant code (Finn Thain)
- update atafb driver: fix kexec support, use dev_*() calls instead
of printk() and remove obsolete module support (Geert Uytterhoeven)
- add support to mxsfb driver for skipping display initialization for
flicker-free display takeover from bootloader (Melchior Franz)
- remove Versatile and Nomadik board families support from amba-clcd
driver as they are handled by DRM driver nowadays (Linus Walleij)
- remove no longer needed AVR and platform_data support from
atmel_lcdfb driver (Alexandre Belloni)
- misc fixes (Colin Ian King, Julia Lawall, Gustavo A. R. Silva,
Aditya Pakki, Kangjie Lu, YueHaibing)
- misc cleanups (Enrico Weigelt, Kefeng Wang)"
* tag 'fbdev-v5.2' of git://github.com/bzolnier/linux: (38 commits)
video: fbdev: Use dev_get_drvdata()
fbcon: Don't reset logo_shown when logo is currently shown
video: fbdev: atmel_lcdfb: remove set but not used variable 'pdata'
video: fbdev: mxsfb: remove set but not used variable 'line_count'
video: fbdev: pvr2fb: remove set but not used variable 'size'
fbdev: fix WARNING in __alloc_pages_nodemask bug
video: amba-clcd: Decomission Versatile and Nomadik
fbdev: sm712fb: fix memory frequency by avoiding a switch/case fallthrough
fbdev: fix divide error in fb_var_to_videomode
fbdev: sm712fb: use 1024x768 by default on non-MIPS, fix garbled display
fbdev: sm712fb: fix support for 1024x768-16 mode
fbdev: sm712fb: fix crashes and garbled display during DPMS modesetting
fbdev: sm712fb: fix crashes during framebuffer writes by correctly mapping VRAM
fbdev: sm712fb: fix boot screen glitch when sm712fb replaces VGA
fbdev: sm712fb: fix VRAM detection, don't set SR70/71/74/75
fbdev: sm712fb: fix brightness control on reboot, don't set SR30
fbdev: sm712fb: fix white screen of death on reboot, don't set CR3B-CR3F
video: imsttfb: fix potential NULL pointer dereferences
video: hgafb: fix potential NULL pointer dereference
fbdev: list all pci memory bars as conflicting apertures
...
|
||
|
Linus Torvalds
|
cece6460c2 |
pwm: Changes for v5.2-rc1
Nothing out of the ordinary this cycle. The bulk of this is a collection of fixes for existing drivers and some cleanups. There's one new driver for i.MX SoCs and addition of support for some new variants to existing drivers. -----BEGIN PGP SIGNATURE----- iQJNBAABCAA3FiEEiOrDCAFJzPfAjcif3SOs138+s6EFAlzVW/MZHHRoaWVycnku cmVkaW5nQGdtYWlsLmNvbQAKCRDdI6zXfz6zoVgJEACIqcHeP5SrGv+Bh5xoAsNL HNLu72QOTVFYICBPSTqsS9QgGvkeZErv86dheYp6MSJHuRCGu/d4Vlp6iY8YmiS0 i3Vi9Ib8sGsbC2kKJSsLnAO7d1JrDkyxYS8sSGSR0G2xKZA1dgXVqtAEdOubUU0x /HrzpP8uSoSiKflEfGtU3OykAdY8b1UBtWuC+KxVP2z5A2IAJchYQcXQ3v+kVbvT Jp+mYbYfViwb40JKFkg67hm7y494LFAMZhInzv5ImQXl1ji+C2VPGfqBdlxwgW8g +OyP0Conh6oHlEB4Wc7xfWec0PYJee9hNlXR30L+a1OCTisnOq7aHHjf6+ej7NDq KeQPEt9r8URgRMbfPvL70TRk46QeToeC07BO7aEGK3gd2C2c6ZoFmyhhauM6j2z0 eL8xK7WnynKCUrQ0tgQhv8AZkZE/Hp2ddgicyu0ARECugRiqd/uVNeip3M3TkPmV Zv0nRZzhFUk+t0DNX6krEVzvkaFznzWGDK6PGeHHbNdR58GaRnYzM0WXytYqUNGa +kryN/sj0vgzVj+ATxvDfVYqAtZMYcXvZMJQhfjNAPP89F3lHrsONf6pvD++azOM 8HugNF01zR0uZ2Z/JXPL5mZxybYlCBQdmK6QxEB+YcmJizCcnOCsWoEi1XVOGyCC /alcvvLa2DceO1lJIo0o7g== =3p6h -----END PGP SIGNATURE----- Merge tag 'pwm/for-5.2-rc1' of ssh://gitolite.kernel.org/pub/scm/linux/kernel/git/thierry.reding/linux-pwm Pull pwm updates from Thierry Reding: "Nothing out of the ordinary this cycle. The bulk of this is a collection of fixes for existing drivers and some cleanups. There's one new driver for i.MX SoCs and addition of support for some new variants to existing drivers" * tag 'pwm/for-5.2-rc1' of ssh://gitolite.kernel.org/pub/scm/linux/kernel/git/thierry.reding/linux-pwm: pwm: meson: Add clock source configuration for Meson G12A dt-bindings: pwm: Update bindings for the Meson G12A Family pwm: samsung: Don't uses devm_*() functions in ->request() pwm: Clear chip_data in pwm_put() pwm: Add i.MX TPM PWM driver support dt-bindings: pwm: Add i.MX TPM PWM binding pwm: imx27: Use devm_platform_ioremap_resource() to simplify code pwm: meson: Use the spin-lock only to protect register modifications pwm: meson: Don't disable PWM when setting duty repeatedly pwm: meson: Consider 128 a valid pre-divider pwm: sysfs: fix typo "its" -> "it's" pwm: tiehrpwm: Enable compilation for ARCH_K3 dt-bindings: pwm: tiehrpwm: Add TI AM654 SoC specific compatible pwm: tiehrpwm: Update shadow register for disabling PWMs pwm: img: Turn final 'else if' into 'else' in img_pwm_config pwm: Fix deadlock warning when removing PWM device |
||
|
Linus Torvalds
|
15500c0a50 |
- New driver: Armada 37xx mailbox controller
- Misc: Use devm_ api for imx and platform_get_irq for stm32 -----BEGIN PGP SIGNATURE----- iQIzBAABCgAdFiEE6EwehDt/SOnwFyTyf9lkf8eYP5UFAlzTv38ACgkQf9lkf8eY P5VOQQ//d2rKhGB1GjVZQlezRa+AOLWr69cbN4mcxUvXp+PJmrcnqn1Ld7QzPXCl /Xc/2+KxtZ5WX7vtmGu45eSFiCqf2apXfDaQf89ZrtCbUKT1GBJRUvvBeCmFv4pZ bnA0PTCsHkpdvttmM2W++ZHFmgVxKOTQmtTZFsmwohJNfALkoQaw9NgKUuBKzPdI DutmXNBLXm+EkEjuIjvsKdgE63g49BTio9BRzX85+PKYmRohOa5xb05pW4KLOvOW WJ4KeUDHdWinIoedBg+FGlgWjACP3at6h3sKVqDsv76NmsCZHWjh3OV2pqQSp1ta n7HD/xPoGKNRDb+8r1CL3YLgwY4Hdvkq73koX8BGJ1jkB7LmikofGz0tnigcjrY/ D4QIPu+nIsi7hZs4S2nSMvvLWcdhUkDFa1F0hf3shYV+tPqUAFMYeG5MwMEQ4zqW KMUieCPRA4n5jiwQ3CBZgfcB+tCNJnsEkDtLoJydKNvgawpTanff7IJO2vALN64K PnIcPkHzFlbQj8lOLffCTFqqnOabkwaxeyV5r9oiT0OAg0paRBXrAo3VyVONzwqK vMAhNSygqeKudQ8EQcQS+0ymyjfSCJXa1M93lVG679VKcyVVrs0uEhjvub1abv3v Co08qKk18lsqYc55E8BzZ4T+F/mifzmEIPblM6EA9DnooSSrE/o= =rUxA -----END PGP SIGNATURE----- Merge tag 'mailbox-v5.2' of git://git.linaro.org/landing-teams/working/fujitsu/integration Pull mailbox updates from Jassi Brar: - New driver: Armada 37xx mailbox controller - Misc: Use devm_ api for imx and platform_get_irq for stm32 * tag 'mailbox-v5.2' of git://git.linaro.org/landing-teams/working/fujitsu/integration: mailbox: Add support for Armada 37xx rWTM mailbox dt-bindings: mailbox: Document armada-3700-rwtm-mailbox binding mailbox: stm32-ipcc: check invalid irq mailbox: imx: use devm_platform_ioremap_resource() to simplify code |
||
Paolo Abeni
|
e711ab936a |
Revert "selinux: do not report error on connect(AF_UNSPEC)"
This reverts commit
|
||
Petr Mladek
|
2ac5a3bf70 |
vsprintf: Do not break early boot with probing addresses
The commit |
||
|
Linus Torvalds
|
b970afcfca |
powerpc updates for 5.2
Highlights:
- Support for Kernel Userspace Access/Execution Prevention (like
SMAP/SMEP/PAN/PXN) on some 64-bit and 32-bit CPUs. This prevents the kernel
from accidentally accessing userspace outside copy_to/from_user(), or
ever executing userspace.
- KASAN support on 32-bit.
- Rework of where we map the kernel, vmalloc, etc. on 64-bit hash to use the
same address ranges we use with the Radix MMU.
- A rewrite into C of large parts of our idle handling code for 64-bit Book3S
(ie. power8 & power9).
- A fast path entry for syscalls on 32-bit CPUs, for a 12-17% speedup in the
null_syscall benchmark.
- On 64-bit bare metal we have support for recovering from errors with the time
base (our clocksource), however if that fails currently we hang in __delay()
and never crash. We now have support for detecting that case and short
circuiting __delay() so we at least panic() and reboot.
- Add support for optionally enabling the DAWR on Power9, which had to be
disabled by default due to a hardware erratum. This has the effect of
enabling hardware breakpoints for GDB, the downside is a badly behaved
program could crash the machine by pointing the DAWR at cache inhibited
memory. This is opt-in obviously.
- xmon, our crash handler, gets support for a read only mode where operations
that could change memory or otherwise disturb the system are disabled.
Plus many clean-ups, reworks and minor fixes etc.
Thanks to:
Christophe Leroy, Akshay Adiga, Alastair D'Silva, Alexey Kardashevskiy, Andrew
Donnellan, Aneesh Kumar K.V, Anju T Sudhakar, Anton Blanchard, Ben Hutchings,
Bo YU, Breno Leitao, Cédric Le Goater, Christopher M. Riedl, Christoph
Hellwig, Colin Ian King, David Gibson, Ganesh Goudar, Gautham R. Shenoy,
George Spelvin, Greg Kroah-Hartman, Greg Kurz, Horia Geantă, Jagadeesh
Pagadala, Joel Stanley, Joe Perches, Julia Lawall, Laurentiu Tudor, Laurent
Vivier, Lukas Bulwahn, Madhavan Srinivasan, Mahesh Salgaonkar, Mathieu
Malaterre, Michael Neuling, Mukesh Ojha, Nathan Fontenot, Nathan Lynch,
Nicholas Piggin, Nick Desaulniers, Oliver O'Halloran, Peng Hao, Qian Cai, Ravi
Bangoria, Rick Lindsley, Russell Currey, Sachin Sant, Stewart Smith, Sukadev
Bhattiprolu, Thomas Huth, Tobin C. Harding, Tyrel Datwyler, Valentin
Schneider, Wei Yongjun, Wen Yang, YueHaibing.
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Merge tag 'powerpc-5.2-1' of ssh://gitolite.kernel.org/pub/scm/linux/kernel/git/powerpc/linux
Pull powerpc updates from Michael Ellerman:
"Slightly delayed due to the issue with printk() calling
probe_kernel_read() interacting with our new user access prevention
stuff, but all fixed now.
The only out-of-area changes are the addition of a cpuhp_state, small
additions to Documentation and MAINTAINERS updates.
Highlights:
- Support for Kernel Userspace Access/Execution Prevention (like
SMAP/SMEP/PAN/PXN) on some 64-bit and 32-bit CPUs. This prevents
the kernel from accidentally accessing userspace outside
copy_to/from_user(), or ever executing userspace.
- KASAN support on 32-bit.
- Rework of where we map the kernel, vmalloc, etc. on 64-bit hash to
use the same address ranges we use with the Radix MMU.
- A rewrite into C of large parts of our idle handling code for
64-bit Book3S (ie. power8 & power9).
- A fast path entry for syscalls on 32-bit CPUs, for a 12-17% speedup
in the null_syscall benchmark.
- On 64-bit bare metal we have support for recovering from errors
with the time base (our clocksource), however if that fails
currently we hang in __delay() and never crash. We now have support
for detecting that case and short circuiting __delay() so we at
least panic() and reboot.
- Add support for optionally enabling the DAWR on Power9, which had
to be disabled by default due to a hardware erratum. This has the
effect of enabling hardware breakpoints for GDB, the downside is a
badly behaved program could crash the machine by pointing the DAWR
at cache inhibited memory. This is opt-in obviously.
- xmon, our crash handler, gets support for a read only mode where
operations that could change memory or otherwise disturb the system
are disabled.
Plus many clean-ups, reworks and minor fixes etc.
Thanks to: Christophe Leroy, Akshay Adiga, Alastair D'Silva, Alexey
Kardashevskiy, Andrew Donnellan, Aneesh Kumar K.V, Anju T Sudhakar,
Anton Blanchard, Ben Hutchings, Bo YU, Breno Leitao, Cédric Le Goater,
Christopher M. Riedl, Christoph Hellwig, Colin Ian King, David Gibson,
Ganesh Goudar, Gautham R. Shenoy, George Spelvin, Greg Kroah-Hartman,
Greg Kurz, Horia Geantă, Jagadeesh Pagadala, Joel Stanley, Joe
Perches, Julia Lawall, Laurentiu Tudor, Laurent Vivier, Lukas Bulwahn,
Madhavan Srinivasan, Mahesh Salgaonkar, Mathieu Malaterre, Michael
Neuling, Mukesh Ojha, Nathan Fontenot, Nathan Lynch, Nicholas Piggin,
Nick Desaulniers, Oliver O'Halloran, Peng Hao, Qian Cai, Ravi
Bangoria, Rick Lindsley, Russell Currey, Sachin Sant, Stewart Smith,
Sukadev Bhattiprolu, Thomas Huth, Tobin C. Harding, Tyrel Datwyler,
Valentin Schneider, Wei Yongjun, Wen Yang, YueHaibing"
* tag 'powerpc-5.2-1' of ssh://gitolite.kernel.org/pub/scm/linux/kernel/git/powerpc/linux: (205 commits)
powerpc/64s: Use early_mmu_has_feature() in set_kuap()
powerpc/book3s/64: check for NULL pointer in pgd_alloc()
powerpc/mm: Fix hugetlb page initialization
ocxl: Fix return value check in afu_ioctl()
powerpc/mm: fix section mismatch for setup_kup()
powerpc/mm: fix redundant inclusion of pgtable-frag.o in Makefile
powerpc/mm: Fix makefile for KASAN
powerpc/kasan: add missing/lost Makefile
selftests/powerpc: Add a signal fuzzer selftest
powerpc/booke64: set RI in default MSR
ocxl: Provide global MMIO accessors for external drivers
ocxl: move event_fd handling to frontend
ocxl: afu_irq only deals with IRQ IDs, not offsets
ocxl: Allow external drivers to use OpenCAPI contexts
ocxl: Create a clear delineation between ocxl backend & frontend
ocxl: Don't pass pci_dev around
ocxl: Split pci.c
ocxl: Remove some unused exported symbols
ocxl: Remove superfluous 'extern' from headers
ocxl: read_pasid never returns an error, so make it void
...
|
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Christian Brauner
|
c3b7112df8
|
fork: do not release lock that wasn't taken
Avoid calling cgroup_threadgroup_change_end() without having called
cgroup_threadgroup_change_begin() first.
During process creation we need to check whether the cgroup we are in
allows us to fork. To perform this check the cgroup needs to guard itself
against threadgroup changes and takes a lock.
Prior to CLONE_PIDFD the cleanup target "bad_fork_free_pid" would also need
to call cgroup_threadgroup_change_end() because said lock had already been
taken.
However, this is not the case anymore with the addition of CLONE_PIDFD. We
are now allocating a pidfd before we check whether the cgroup we're in can
fork and thus prior to taking the lock. So when copy_process() fails at the
right step it would release a lock we haven't taken.
This bug is not even very subtle to be honest. It's just not very clear
from the naming of cgroup_threadgroup_change_{begin,end}() that a lock is
taken.
Here's the relevant splat:
entry_SYSENTER_compat+0x70/0x7f arch/x86/entry/entry_64_compat.S:139
RIP: 0023:0xf7fec849
Code: 85 d2 74 02 89 0a 5b 5d c3 8b 04 24 c3 8b 14 24 c3 8b 3c 24 c3 90 90
90 90 90 90 90 90 90 90 90 90 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90
90 90 90 eb 0d 90 90 90 90 90 90 90 90 90 90 90 90
RSP: 002b:00000000ffed5a8c EFLAGS: 00000246 ORIG_RAX: 0000000000000078
RAX: ffffffffffffffda RBX: 0000000000003ffc RCX: 0000000000000000
RDX: 00000000200005c0 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 0000000000000012 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
------------[ cut here ]------------
DEBUG_LOCKS_WARN_ON(depth <= 0)
WARNING: CPU: 1 PID: 7744 at kernel/locking/lockdep.c:4052 __lock_release
kernel/locking/lockdep.c:4052 [inline]
WARNING: CPU: 1 PID: 7744 at kernel/locking/lockdep.c:4052
lock_release+0x667/0xa00 kernel/locking/lockdep.c:4321
Kernel panic - not syncing: panic_on_warn set ...
CPU: 1 PID: 7744 Comm: syz-executor007 Not tainted 5.1.0+ #4
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS
Google 01/01/2011
Call Trace:
__dump_stack lib/dump_stack.c:77 [inline]
dump_stack+0x172/0x1f0 lib/dump_stack.c:113
panic+0x2cb/0x65c kernel/panic.c:214
__warn.cold+0x20/0x45 kernel/panic.c:566
report_bug+0x263/0x2b0 lib/bug.c:186
fixup_bug arch/x86/kernel/traps.c:179 [inline]
fixup_bug arch/x86/kernel/traps.c:174 [inline]
do_error_trap+0x11b/0x200 arch/x86/kernel/traps.c:272
do_invalid_op+0x37/0x50 arch/x86/kernel/traps.c:291
invalid_op+0x14/0x20 arch/x86/entry/entry_64.S:972
RIP: 0010:__lock_release kernel/locking/lockdep.c:4052 [inline]
RIP: 0010:lock_release+0x667/0xa00 kernel/locking/lockdep.c:4321
Code: 0f 85 a0 03 00 00 8b 35 77 66 08 08 85 f6 75 23 48 c7 c6 a0 55 6b 87
48 c7 c7 40 25 6b 87 4c 89 85 70 ff ff ff e8 b7 a9 eb ff <0f> 0b 4c 8b 85
70 ff ff ff 4c 89 ea 4c 89 e6 4c 89 c7 e8 52 63 ff
RSP: 0018:ffff888094117b48 EFLAGS: 00010086
RAX: 0000000000000000 RBX: 1ffff11012822f6f RCX: 0000000000000000
RDX: 0000000000000000 RSI: ffffffff815af236 RDI: ffffed1012822f5b
RBP: ffff888094117c00 R08: ffff888092bfc400 R09: fffffbfff113301d
R10: fffffbfff113301c R11: ffffffff889980e3 R12: ffffffff8a451df8
R13: ffffffff8142e71f R14: ffffffff8a44cc80 R15: ffff888094117bd8
percpu_up_read.constprop.0+0xcb/0x110 include/linux/percpu-rwsem.h:92
cgroup_threadgroup_change_end include/linux/cgroup-defs.h:712 [inline]
copy_process.part.0+0x47ff/0x6710 kernel/fork.c:2222
copy_process kernel/fork.c:1772 [inline]
_do_fork+0x25d/0xfd0 kernel/fork.c:2338
__do_compat_sys_x86_clone arch/x86/ia32/sys_ia32.c:240 [inline]
__se_compat_sys_x86_clone arch/x86/ia32/sys_ia32.c:236 [inline]
__ia32_compat_sys_x86_clone+0xbc/0x140 arch/x86/ia32/sys_ia32.c:236
do_syscall_32_irqs_on arch/x86/entry/common.c:334 [inline]
do_fast_syscall_32+0x281/0xd54 arch/x86/entry/common.c:405
entry_SYSENTER_compat+0x70/0x7f arch/x86/entry/entry_64_compat.S:139
RIP: 0023:0xf7fec849
Code: 85 d2 74 02 89 0a 5b 5d c3 8b 04 24 c3 8b 14 24 c3 8b 3c 24 c3 90 90
90 90 90 90 90 90 90 90 90 90 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90
90 90 90 eb 0d 90 90 90 90 90 90 90 90 90 90 90 90
RSP: 002b:00000000ffed5a8c EFLAGS: 00000246 ORIG_RAX: 0000000000000078
RAX: ffffffffffffffda RBX: 0000000000003ffc RCX: 0000000000000000
RDX: 00000000200005c0 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 0000000000000012 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
Kernel Offset: disabled
Rebooting in 86400 seconds..
Reported-and-tested-by: syzbot+3286e58549edc479faae@syzkaller.appspotmail.com
Fixes:
|
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|
Christian Brauner
|
8b0e1fea30
|
samples: add .gitignore for pidfd-metadata
Ignore the pidfd-metadata binary so it doesn't show up in unwanted scenarios. Reported-by: Linus Torvalds <torvalds@linux-foundation.org> Signed-off-by: Christian Brauner <christian@brauner.io> |
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|
Linus Torvalds
|
8ea5b2abd0 |
Merge branch 'fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
Pull vfs mount fix from Al Viro: "Fix for umount -l/mount --move race caught by syzbot yesterday..." * 'fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs: do_move_mount(): fix an unsafe use of is_anon_ns() |
||
|
Linus Torvalds
|
601e6bcc4e |
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
Pull networking fixes from David Miller:
"Several bug fixes, many are quick merge-window regression cures:
- When NLM_F_EXCL is not set, allow same fib rule insertion. From
Hangbin Liu.
- Several cures in sja1105 DSA driver (while loop exit condition fix,
return of negative u8, etc.) from Vladimir Oltean.
- Handle tx/rx delays in realtek PHY driver properly, from Serge
Semin.
- Double free in cls_matchall, from Pieter Jansen van Vuuren.
- Disable SIOCSHWTSTAMP in macvlan/vlan containers, from Hangbin Liu.
- Endainness fixes in aqc111, from Oliver Neukum.
- Handle errors in packet_init properly, from Haibing Yue.
- Various W=1 warning fixes in kTLS, from Jakub Kicinski"
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net: (34 commits)
nfp: add missing kdoc
net/tls: handle errors from padding_length()
net/tls: remove set but not used variables
docs/btf: fix the missing section marks
nfp: bpf: fix static check error through tightening shift amount adjustment
selftests: bpf: initialize bpf_object pointers where needed
packet: Fix error path in packet_init
net/tcp: use deferred jump label for TCP acked data hook
net: aquantia: fix undefined devm_hwmon_device_register_with_info reference
aqc111: fix double endianness swap on BE
aqc111: fix writing to the phy on BE
aqc111: fix endianness issue in aqc111_change_mtu
vlan: disable SIOCSHWTSTAMP in container
macvlan: disable SIOCSHWTSTAMP in container
tipc: fix hanging clients using poll with EPOLLOUT flag
tuntap: synchronize through tfiles array instead of tun->numqueues
tuntap: fix dividing by zero in ebpf queue selection
dwmac4_prog_mtl_tx_algorithms() missing write operation
ptp_qoriq: fix NULL access if ptp dt node missing
net/sched: avoid double free on matchall reoffload
...
|
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Jakub Kicinski
|
6c9f054414 |
nfp: add missing kdoc
Add missing kdoc for app member. Signed-off-by: Jakub Kicinski <jakub.kicinski@netronome.com> Reviewed-by: Dirk van der Merwe <dirk.vandermerwe@netronome.com> Signed-off-by: David S. Miller <davem@davemloft.net> |
||
|
David S. Miller
|
f50c8a019b |
Merge branch 'tls-warnings'
Jakub Kicinski says: ==================== net/tls: fix W=1 build warnings This small series cleans up two outstanding W=1 build warnings in tls code. Both are set but not used variables. The first case looks fairly straightforward. In the second I think it's better to propagate the error code, even if not doing some does not lead to a crash with current code. ==================== Signed-off-by: David S. Miller <davem@davemloft.net> |