Re: [syzbot] [ntfs3?] BUG: unable to handle kernel NULL pointer dereference in ni_find_attr

From: syzbot
Date: Sun Feb 05 2023 - 14:46:25 EST


syzbot suspects this issue was fixed by commit:

commit 2681631c29739509eec59cc0b34e977bb04c6cf1
Author: Edward Lo <edward.lo@xxxxxxxxxxxxx>
Date: Sat Aug 6 17:05:18 2022 +0000

fs/ntfs3: Add null pointer check to attr_load_runs_vcn

bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=110ad78d480000
start commit: b7b275e60bcd Linux 6.1-rc7
git tree: upstream
kernel config: https://syzkaller.appspot.com/x/.config?x=2325e409a9a893e1
dashboard link: https://syzkaller.appspot.com/bug?extid=69d15cab6309bffae739
syz repro: https://syzkaller.appspot.com/x/repro.syz?x=16b3fb9b880000
C reproducer: https://syzkaller.appspot.com/x/repro.c?x=101313bb880000

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

#syz fix: fs/ntfs3: Add null pointer check to attr_load_runs_vcn

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