Re: [syzbot] [fs?] UBSAN: shift-out-of-bounds in befs_check_sb

syzbot
2024-03-03T08:30:05Z

syzbot suspects this issue was fixed by commit:

commit 6f861765464f43a71462d52026fbddfc858239a5
Author: Jan Kara <jack@suse.cz>
Date: Wed Nov 1 17:43:10 2023 +0000

fs: Block writes to mounted block devices

bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=14b5e754180000
start commit: 8689f4f2ea56 Merge tag 'mmc-v6.5-2' of git://git.kernel.or..
git tree: upstream
kernel config: https://syzkaller.appspot.com/x/.config?x=15873d91ff37a949
dashboard link: https://syzkaller.appspot.com/bug?extid=fc26c366038b54261e53
syz repro: https://syzkaller.appspot.com/x/repro.syz?x=14237dc2a80000
C reproducer: https://syzkaller.appspot.com/x/repro.c?x=13e34d22a80000

If the result looks correct, please mark the issue as fixed by replying with:

#syz fix: fs: Block writes to mounted block devices

For information about bisection process see: https://goo.gl/tpsmEJ#bisection