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| author | OGAWA Hirofumi <hirofumi@mail.parknet.co.jp> | 2020-06-05 02:50:56 +0300 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2020-06-05 05:06:25 +0300 |
| commit | b1b65750b8db67834482f758fc385bfa7560d228 (patch) | |
| tree | 7fda49892d330f38bc4d654c399429b2d79181f2 /fs/jbd2/journal.c | |
| parent | ada4ab7af1a67db7eb8596709071a97afb2bf7de (diff) | |
| download | linux-b1b65750b8db67834482f758fc385bfa7560d228.tar.xz | |
fat: don't allow to mount if the FAT length == 0
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>
Diffstat (limited to 'fs/jbd2/journal.c')
0 files changed, 0 insertions, 0 deletions