Edward Adam Davis 34f8efd274 hfsplus: fix uninit-value in copy_name ... [ Upstream commit 0570730c16307a72f8241df12363f76600baf57d ] [syzbot reported] BUG: KMSAN: uninit-value in sized_strscpy+0xc4/0x160 sized_strscpy+0xc4/0x160 copy_name+0x2af/0x320 fs/hfsplus/xattr.c:411 hfsplus_listxattr+0x11e9/0x1a50 fs/hfsplus/xattr.c:750 vfs_listxattr fs/xattr.c:493 [inline] listxattr+0x1f3/0x6b0 fs/xattr.c:840 path_listxattr fs/xattr.c:864 [inline] __do_sys_listxattr fs/xattr.c:876 [inline] __se_sys_listxattr fs/xattr.c:873 [inline] __x64_sys_listxattr+0x16b/0x2f0 fs/xattr.c:873 x64_sys_call+0x2ba0/0x3b50 arch/x86/include/generated/asm/syscalls_64.h:195 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xcf/0x1e0 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f Uninit was created at: slab_post_alloc_hook mm/slub.c:3877 [inline] slab_alloc_node mm/slub.c:3918 [inline] kmalloc_trace+0x57b/0xbe0 mm/slub.c:4065 kmalloc include/linux/slab.h:628 [inline] hfsplus_listxattr+0x4cc/0x1a50 fs/hfsplus/xattr.c:699 vfs_listxattr fs/xattr.c:493 [inline] listxattr+0x1f3/0x6b0 fs/xattr.c:840 path_listxattr fs/xattr.c:864 [inline] __do_sys_listxattr fs/xattr.c:876 [inline] __se_sys_listxattr fs/xattr.c:873 [inline] __x64_sys_listxattr+0x16b/0x2f0 fs/xattr.c:873 x64_sys_call+0x2ba0/0x3b50 arch/x86/include/generated/asm/syscalls_64.h:195 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xcf/0x1e0 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f [Fix] When allocating memory to strbuf, initialize memory to 0. Reported-and-tested-by: syzbot+efde959319469ff8d4d7@syzkaller.appspotmail.com Signed-off-by: Edward Adam Davis <eadavis@qq.com> Link: https://lore.kernel.org/r/tencent_8BBB6433BC9E1C1B7B4BDF1BF52574BA8808@qq.com Reported-and-tested-by: syzbot+01ade747b16e9c8030e0@syzkaller.appspotmail.com Signed-off-by: Christian Brauner <brauner@kernel.org> Signed-off-by: Sasha Levin <sashal@kernel.org>		2024-07-27 10:40:22 +02:00
..
attributes.c	hfsplus: fix crash and filesystem corruption when deleting files	2020-04-10 15:36:20 -07:00
bfind.c
bitmap.c
bnode.c
brec.c
btree.c
catalog.c
dir.c
extents.c	hfsplus: prevent corruption in shrinking truncate	2021-05-19 10:13:10 +02:00
hfsplus_fs.h	hfsplus: fix bug causing custom uid and gid being unable to be assigned with mount	2023-01-14 10:16:26 +01:00
hfsplus_raw.h
inode.c	fs: hfsplus: remove WARN_ON() from hfsplus_cat_{read,write}_inode()	2023-05-30 12:57:47 +01:00
ioctl.c	vfs: create a generic checking and prep function for FS_IOC_SETFLAGS	2019-07-01 08:25:34 -07:00
Kconfig	treewide: Add SPDX license identifier - Makefile/Kconfig	2019-05-21 10:50:46 +02:00
Makefile
options.c	hfsplus: fix bug causing custom uid and gid being unable to be assigned with mount	2023-01-14 10:16:26 +01:00
part_tbl.c
super.c	fs: hfsplus: fix UAF issue in hfsplus_put_super	2023-03-11 16:39:56 +01:00
tables.c
unicode.c	treewide: Remove uninitialized_var() usage	2020-07-16 12:35:15 -07:00
wrapper.c	treewide: Use fallthrough pseudo-keyword	2020-08-23 17:36:59 -05:00
xattr_security.c
xattr_trusted.c
xattr_user.c
xattr.c	hfsplus: fix uninit-value in copy_name	2024-07-27 10:40:22 +02:00
xattr.h