linux-kernel - Re: [syzbot] [fs?] KASAN: slab-out-of-bounds Write in __put_unused

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Message-ID: <67746ce5.050a0220.25abdd.0952.GAE@google.com>
Date: Tue, 31 Dec 2024 14:15:01 -0800
From: syzbot <syzbot+6a3aa63412255587b21b@...kaller.appspotmail.com>
To: amir73il@...il.com, eric.dumazet@...il.com, jack@...e.cz, 
	linux-fsdevel@...r.kernel.org, linux-kernel@...r.kernel.org, 
	repnop@...gle.com, syzkaller-bugs@...glegroups.com, viro@...iv.linux.org.uk
Subject: Re: [syzbot] [fs?] KASAN: slab-out-of-bounds Write in __put_unused_fd

syzbot has bisected this issue to:

commit ebe559609d7829b52c6642b581860760984faf9d
Author: Al Viro <viro@...iv.linux.org.uk>
Date:   Fri Nov 15 15:30:14 2024 +0000

    fs: get rid of __FMODE_NONOTIFY kludge

bisection log:  https://syzkaller.appspot.com/x/bisect.txt?x=113e5818580000
start commit:   8155b4ef3466 Add linux-next specific files for 20241220
git tree:       linux-next
final oops:     https://syzkaller.appspot.com/x/report.txt?x=133e5818580000
console output: https://syzkaller.appspot.com/x/log.txt?x=153e5818580000
kernel config:  https://syzkaller.appspot.com/x/.config?x=9c90bb7161a56c88
dashboard link: https://syzkaller.appspot.com/bug?extid=6a3aa63412255587b21b
syz repro:      https://syzkaller.appspot.com/x/repro.syz?x=10e670b0580000
C reproducer:   https://syzkaller.appspot.com/x/repro.c?x=13f42ac4580000

Reported-by: syzbot+6a3aa63412255587b21b@...kaller.appspotmail.com
Fixes: ebe559609d78 ("fs: get rid of __FMODE_NONOTIFY kludge")

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