linux-sg2042/fs/ntfs
Rustam Kovhaev 4f8c94022f ntfs: add check for mft record size in superblock
Number of bytes allocated for mft record should be equal to the mft record
size stored in ntfs superblock as reported by syzbot, userspace might
trigger out-of-bounds read by dereferencing ctx->attr in ntfs_attr_find()

Reported-by: syzbot+aed06913f36eff9b544e@syzkaller.appspotmail.com
Signed-off-by: Rustam Kovhaev <rkovhaev@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Tested-by: syzbot+aed06913f36eff9b544e@syzkaller.appspotmail.com
Acked-by: Anton Altaparmakov <anton@tuxera.com>
Link: https://syzkaller.appspot.com/bug?extid=aed06913f36eff9b544e
Link: https://lkml.kernel.org/r/20200824022804.226242-1-rkovhaev@gmail.com
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2020-10-13 18:38:27 -07:00
..
Kconfig docs: filesystems: fix renamed references 2020-04-20 15:45:22 -06:00
Makefile License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
aops.c ntfs: replace attach_page_buffers with attach_page_private 2020-06-02 10:59:07 -07:00
aops.h treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 96 2019-05-24 17:37:53 +02:00
attrib.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 96 2019-05-24 17:37:53 +02:00
attrib.h treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 96 2019-05-24 17:37:53 +02:00
bitmap.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 96 2019-05-24 17:37:53 +02:00
bitmap.h treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 96 2019-05-24 17:37:53 +02:00
collate.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 96 2019-05-24 17:37:53 +02:00
collate.h treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 96 2019-05-24 17:37:53 +02:00
compress.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 96 2019-05-24 17:37:53 +02:00
debug.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 96 2019-05-24 17:37:53 +02:00
debug.h treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 96 2019-05-24 17:37:53 +02:00
dir.c ntfs: fix ntfs_test_inode and ntfs_init_locked_inode function type 2020-08-07 11:33:21 -07:00
dir.h treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 96 2019-05-24 17:37:53 +02:00
endian.h treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 96 2019-05-24 17:37:53 +02:00
file.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 96 2019-05-24 17:37:53 +02:00
index.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 96 2019-05-24 17:37:53 +02:00
index.h treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 96 2019-05-24 17:37:53 +02:00
inode.c ntfs: add check for mft record size in superblock 2020-10-13 18:38:27 -07:00
inode.h ntfs: fix ntfs_test_inode and ntfs_init_locked_inode function type 2020-08-07 11:33:21 -07:00
layout.h treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 96 2019-05-24 17:37:53 +02:00
lcnalloc.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 96 2019-05-24 17:37:53 +02:00
lcnalloc.h treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 96 2019-05-24 17:37:53 +02:00
logfile.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 96 2019-05-24 17:37:53 +02:00
logfile.h treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 96 2019-05-24 17:37:53 +02:00
malloc.h mm: remove the pgprot argument to __vmalloc 2020-06-02 10:59:11 -07:00
mft.c ntfs: fix ntfs_test_inode and ntfs_init_locked_inode function type 2020-08-07 11:33:21 -07:00
mft.h treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 96 2019-05-24 17:37:53 +02:00
mst.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 96 2019-05-24 17:37:53 +02:00
namei.c ntfs: remove (un)?likely() from IS_ERR() conditions 2019-09-26 10:10:44 -07:00
ntfs.h treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 96 2019-05-24 17:37:53 +02:00
quota.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 96 2019-05-24 17:37:53 +02:00
quota.h treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 96 2019-05-24 17:37:53 +02:00
runlist.c ntfs: remove (un)?likely() from IS_ERR() conditions 2019-09-26 10:10:44 -07:00
runlist.h treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 96 2019-05-24 17:37:53 +02:00
super.c ntfs: remove (un)?likely() from IS_ERR() conditions 2019-09-26 10:10:44 -07:00
sysctl.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 96 2019-05-24 17:37:53 +02:00
sysctl.h treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 96 2019-05-24 17:37:53 +02:00
time.h treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 96 2019-05-24 17:37:53 +02:00
types.h treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 96 2019-05-24 17:37:53 +02:00
unistr.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 96 2019-05-24 17:37:53 +02:00
upcase.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 97 2019-05-24 17:37:53 +02:00
usnjrnl.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 96 2019-05-24 17:37:53 +02:00
usnjrnl.h treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 96 2019-05-24 17:37:53 +02:00
volume.h treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 96 2019-05-24 17:37:53 +02:00