linux

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History

OGAWA Hirofumi a090a5a7d7 fat: fix fat_ra_init() for data clusters == 0

If data clusters == 0, fat_ra_init() calls the ->ent_blocknr() for the
cluster beyond ->max_clusters.

This checks the limit before initialization to suppress the warning.

Reported-by: syzbot+756199124937b31a9b7e@syzkaller.appspotmail.com
Signed-off-by: OGAWA Hirofumi <hirofumi@mail.parknet.co.jp>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Link: http://lkml.kernel.org/r/87mu462sv4.fsf@mail.parknet.co.jp
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

2020-08-12 10:58:01 -07:00

cache.c

fat: new inline functions to determine the FAT variant (32, 16 or 12)

2019-01-04 13:13:47 -08:00

dir.c

treewide: Remove uninitialized_var() usage

2020-07-16 12:35:15 -07:00

fat.h

fat: new inline functions to determine the FAT variant (32, 16 or 12)

2019-01-04 13:13:47 -08:00

fatent.c

fat: fix fat_ra_init() for data clusters == 0