android_kernel_samsung_sm8650/fs/ksmbd
Namjae Jeon 18973b73fa ksmbd: fix deadlock in ksmbd_find_crypto_ctx()
commit 7b4323373d844954bb76e0e9f39c4e5fc785fa7b upstream.

Deadlock is triggered by sending multiple concurrent session setup
requests. It should be reused after releasing when getting ctx for crypto.
Multiple consecutive ctx uses cause deadlock while waiting for releasing
due to the limited number of ctx.

Cc: stable@vger.kernel.org
Reported-by: zdi-disclosures@trendmicro.com # ZDI-CAN-20591
Signed-off-by: Namjae Jeon <linkinjeon@kernel.org>
Signed-off-by: Steve French <stfrench@microsoft.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2023-05-11 23:03:04 +09:00
..
mgmt ksmbd: fix racy issue under cocurrent smb2 tree disconnect 2023-05-11 23:03:03 +09:00
asn1.c ksmbd: use oid registry functions to decode OIDs 2021-12-28 22:47:22 -06:00
asn1.h
auth.c ksmbd: fix deadlock in ksmbd_find_crypto_ctx() 2023-05-11 23:03:04 +09:00
auth.h ksmbd: fix encryption failure issue for session logoff response 2022-10-05 01:15:44 -05:00
connection.c ksmbd: do not call kvmalloc() with __GFP_NORETRY | __GFP_NO_WARN 2023-04-13 16:55:29 +02:00
connection.h ksmbd: don't terminate inactive sessions after a few seconds 2023-03-30 12:49:26 +02:00
crypto_ctx.c ksmbd: remove NTLMv1 authentication 2021-09-29 16:17:34 -05:00
crypto_ctx.h ksmbd: remove NTLMv1 authentication 2021-09-29 16:17:34 -05:00
glob.h ksmbd: fix version mismatch with out of tree 2021-10-07 10:18:34 -05:00
Kconfig ksmbd: remove md4 leftovers 2021-11-11 19:22:58 -06:00
ksmbd_netlink.h ksmbd: add max connections parameter 2023-02-01 08:34:37 +01:00
ksmbd_spnego_negtokeninit.asn1
ksmbd_spnego_negtokentarg.asn1
ksmbd_work.c ksmbd: Remove redundant 'flush_workqueue()' calls 2021-11-06 23:52:06 -05:00
ksmbd_work.h ksmbd: remove smb2_buf_length in smb2_hdr 2021-11-11 19:22:58 -06:00
Makefile
misc.c ksmbd: validate share name from share config response 2022-10-05 01:15:44 -05:00
misc.h ksmbd: validate share name from share config response 2022-10-05 01:15:44 -05:00
ndr.c ksmbd: downgrade ndr version error message to debug 2023-02-01 08:34:38 +01:00
ndr.h ksmbd: add user namespace support 2021-07-02 16:27:10 +09:00
nterr.h
ntlmssp.h treewide: Replace zero-length arrays with flexible-array members 2022-02-17 07:00:39 -06:00
oplock.c ksmbd: set file permission mode to match Samba server posix extension behavior 2022-10-05 01:15:44 -05:00
oplock.h ksmbd: remove filename in ksmbd_file 2022-04-14 20:56:13 -05:00
server.c ksmbd: call rcu_barrier() in ksmbd_server_exit() 2023-05-11 23:03:04 +09:00
server.h ksmbd: add max connections parameter 2023-02-01 08:34:37 +01:00
smb2misc.c ksmbd: do not allow the actual frame length to be smaller than the rfc1002 length 2023-03-10 09:34:07 +01:00
smb2ops.c ksmbd: add support for smb2 max credit parameter 2022-01-10 12:44:19 -06:00
smb2pdu.c ksmbd: not allow guest user on multichannel 2023-05-11 23:03:04 +09:00
smb2pdu.h ksmbd: limit pdu length size according to connection status 2023-02-01 08:34:38 +01:00
smb_common.c ksmbd: fix slab-out-of-bounds in init_smb2_rsp_hdr 2023-04-13 16:55:29 +02:00
smb_common.h ksmbd: fix slab-out-of-bounds in init_smb2_rsp_hdr 2023-04-13 16:55:29 +02:00
smbacl.c ksmbd: port to vfs{g,u}id_t and associated helpers 2022-10-05 01:15:37 -05:00
smbacl.h ksmbd: port to vfs{g,u}id_t and associated helpers 2022-10-05 01:15:37 -05:00
smbfsctl.h
smbstatus.h
transport_ipc.c ksmbd: add max connections parameter 2023-02-01 08:34:37 +01:00
transport_ipc.h ksmbd: throttle session setup failures to avoid dictionary attacks 2021-10-20 00:07:10 -05:00
transport_rdma.c ksmbd: don't terminate inactive sessions after a few seconds 2023-03-30 12:49:26 +02:00
transport_rdma.h ksmbd: fix wrong smbd max read/write size check 2022-05-21 15:01:43 -05:00
transport_tcp.c ksmbd: don't terminate inactive sessions after a few seconds 2023-03-30 12:49:26 +02:00
transport_tcp.h
unicode.c
unicode.h ksmbd: casefold utf-8 share names and fix ascii lowercase conversion 2022-10-05 01:15:37 -05:00
uniupr.h
vfs_cache.c ksmbd: fix possible memory leak in smb2_lock() 2023-03-10 09:34:07 +01:00
vfs_cache.h ksmbd: remove filename in ksmbd_file 2022-04-14 20:56:13 -05:00
vfs.c vfs: fix copy_file_range() averts filesystem freeze protection 2022-11-25 00:52:28 -05:00
vfs.h ksmbd: make utf-8 file name comparison work in __caseless_lookup() 2022-10-05 01:15:44 -05:00
xattr.h treewide: Replace zero-length arrays with flexible-array members 2022-02-17 07:00:39 -06:00