Re: [syzbot] BUG: unable to handle kernel NULL pointer dereference in ni_find_attr

From: syzbot
Date: Mon Aug 29 2022 - 19:30:26 EST


syzbot has bisected this issue to:

commit 6e5be40d32fb1907285277c02e74493ed43d77fe
Author: Konstantin Komarov <almaz.alexandrovich@xxxxxxxxxxxxxxxxxxxx>
Date: Fri Aug 13 14:21:30 2021 +0000

fs/ntfs3: Add NTFS3 in fs/Kconfig and fs/Makefile

bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=1458787d080000
start commit: 8379c0b31fbc Merge tag 'for-6.0-rc3-tag' of git://git.kern..
git tree: upstream
final oops: https://syzkaller.appspot.com/x/report.txt?x=1658787d080000
console output: https://syzkaller.appspot.com/x/log.txt?x=1258787d080000
kernel config: https://syzkaller.appspot.com/x/.config?x=911efaff115942bb
dashboard link: https://syzkaller.appspot.com/bug?extid=69d15cab6309bffae739
syz repro: https://syzkaller.appspot.com/x/repro.syz?x=110d306d080000
C reproducer: https://syzkaller.appspot.com/x/repro.c?x=17409333080000

Reported-by: syzbot+69d15cab6309bffae739@xxxxxxxxxxxxxxxxxxxxxxxxx
Fixes: 6e5be40d32fb ("fs/ntfs3: Add NTFS3 in fs/Kconfig and fs/Makefile")

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