android_kernel_motorola_sm6375/fs/fat
Repository files (latest commit first)
Filename Latest commit message Latest commit date
OGAWA Hirofumi e0544273b7 fat: don't allow to mount if the FAT length == 0
commit b1b65750b8db67834482f758fc385bfa7560d228 upstream.

If FAT length == 0, the image doesn't have any data. And it can be the
cause of overlapping the root dir and FAT entries.

Also Windows treats it as invalid format.

Reported-by: syzbot+6f1624f937d9d6911e2d@syzkaller.appspotmail.com
Signed-off-by: OGAWA Hirofumi <hirofumi@mail.parknet.co.jp>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Cc: Marco Elver <elver@google.com>
Cc: Dmitry Vyukov <dvyukov@google.com>
Link: http://lkml.kernel.org/r/87r1wz8mrd.fsf@mail.parknet.co.jp
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2020-06-17 16:40:36 +02:00
..
cache.c
dir.c fat: delete an unnecessary check before brelse() 2019-09-25 17:51:40 -07:00
fat.h
fatent.c fat: work around race with userspace's read via blockdev while mounting 2019-09-24 15:54:06 -07:00
file.c
inode.c fat: don't allow to mount if the FAT length == 0 2020-06-17 16:40:36 +02:00
Kconfig
Makefile
misc.c
namei_msdos.c
namei_vfat.c
nfs.c