From: syzbot <syzbot+092bbab7da235a02a03a@syzkaller.appspotmail.com>
To: akpm@linux-foundation.org, asml.silence@gmail.com,
axboe@kernel.dk, io-uring@vger.kernel.org,
linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org,
linux-mm@kvack.org, syzkaller-bugs@googlegroups.com,
tamird@gmail.com, willy@infradead.org
Subject: Re: [syzbot] [mm] KASAN: null-ptr-deref Write in sys_io_uring_register
Date: Wed, 04 Dec 2024 12:18:03 -0800 [thread overview]
Message-ID: <6750b8fb.050a0220.17bd51.0074.GAE@google.com> (raw)
In-Reply-To: <67505f88.050a0220.17bd51.0069.GAE@google.com>
syzbot has bisected this issue to:
commit d2e88c71bdb07f1e5ccffbcc80d747ccd6144b75
Author: Tamir Duberstein <tamird@gmail.com>
Date: Tue Nov 12 19:25:37 2024 +0000
xarray: extract helper from __xa_{insert,cmpxchg}
bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=17435fc0580000
start commit: c245a7a79602 Add linux-next specific files for 20241203
git tree: linux-next
final oops: https://syzkaller.appspot.com/x/report.txt?x=14c35fc0580000
console output: https://syzkaller.appspot.com/x/log.txt?x=10c35fc0580000
kernel config: https://syzkaller.appspot.com/x/.config?x=af3fe1d01b9e7b7
dashboard link: https://syzkaller.appspot.com/bug?extid=092bbab7da235a02a03a
syz repro: https://syzkaller.appspot.com/x/repro.syz?x=14a448df980000
C reproducer: https://syzkaller.appspot.com/x/repro.c?x=15cca330580000
Reported-by: syzbot+092bbab7da235a02a03a@syzkaller.appspotmail.com
Fixes: d2e88c71bdb0 ("xarray: extract helper from __xa_{insert,cmpxchg}")
For information about bisection process see: https://goo.gl/tpsmEJ#bisection
prev parent reply other threads:[~2024-12-04 20:18 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-12-04 13:56 [syzbot] [io-uring?] KASAN: null-ptr-deref Write in sys_io_uring_register syzbot
2024-12-04 15:01 ` Jens Axboe
2024-12-04 15:10 ` Jens Axboe
2024-12-04 15:21 ` Tamir Duberstein
2024-12-04 16:17 ` Jens Axboe
2024-12-04 16:25 ` Matthew Wilcox
2024-12-04 16:30 ` Tamir Duberstein
2024-12-04 18:39 ` Tamir Duberstein
2024-12-04 18:43 ` Jens Axboe
2024-12-04 18:51 ` Matthew Wilcox
2024-12-04 18:55 ` Tamir Duberstein
2024-12-04 16:30 ` Jens Axboe
2024-12-04 20:18 ` syzbot [this message]
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