tree 87bc38f2bc3151bb3f53756a61904244ef1bb497
parent c3e5ea6ee574ae5e845a40ac8198de1fb63bb3ab
author OGAWA Hirofumi <hirofumi@mail.parknet.co.jp> 1583476116 -0800
committer Linus Torvalds <torvalds@linux-foundation.org> 1583499969 -0600

fat: fix uninit-memory access for partial initialized inode

When get an error in the middle of reading an inode, some fields in the
inode might be still not initialized.  And then the evict_inode path may
access those fields via iput().

To fix, this makes sure that inode fields are initialized.

Reported-by: syzbot+9d82b8de2992579da5d0@syzkaller.appspotmail.com
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: OGAWA Hirofumi <hirofumi@mail.parknet.co.jp>
Cc: <stable@vger.kernel.org>
Link: http://lkml.kernel.org/r/871rqnreqx.fsf@mail.parknet.co.jp
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>