* Re: KASAN: null-ptr-deref Write in io_wq_cancel_all
[not found] <000000000000fbbe1e0595bac322@google.com>
@ 2019-10-27 6:33 ` syzbot
0 siblings, 0 replies; only message in thread
From: syzbot @ 2019-10-27 6:33 UTC (permalink / raw)
To: akpm, axboe, dan.j.williams, dhowells, dvyukov, gregkh, hannes,
joel, linux-block, linux-fsdevel, linux-kernel, mchehab+samsung,
mingo, patrick.bellasi, rgb, rostedt, syzkaller-bugs, viro,
yamada.masahiro
syzbot has bisected this bug to:
commit d5f773aba1186142d52aef8242a426310a39fa86
Author: Jens Axboe <axboe@kernel.dk>
Date: Thu Oct 24 13:25:42 2019 +0000
io_uring: replace workqueue usage with io-wq
bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=142c6d18e00000
start commit: 139c2d13 Add linux-next specific files for 20191025
git tree: linux-next
final crash: https://syzkaller.appspot.com/x/report.txt?x=162c6d18e00000
console output: https://syzkaller.appspot.com/x/log.txt?x=122c6d18e00000
kernel config: https://syzkaller.appspot.com/x/.config?x=28fd7a693df38d29
dashboard link: https://syzkaller.appspot.com/bug?extid=d958a65633ea70280b23
syz repro: https://syzkaller.appspot.com/x/repro.syz?x=160573c0e00000
Reported-by: syzbot+d958a65633ea70280b23@syzkaller.appspotmail.com
Fixes: d5f773aba118 ("io_uring: replace workqueue usage with io-wq")
For information about bisection process see: https://goo.gl/tpsmEJ#bisection
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