From: Kees Cook <keescook@chromium.org>
To: syzbot <syzbot+21cfe1f803e0e158acf1@syzkaller.appspotmail.com>
Cc: 00moses.alexander00@gmail.com, axboe@kernel.dk,
bvanassche@acm.org, hare@suse.com, hch@lst.de,
idryomov@gmail.com, joseph.qi@linux.alibaba.com,
jthumshirn@suse.de, linux-block@vger.kernel.org,
linux-kernel@vger.kernel.org, ming.lei@redhat.com,
sagi@grimberg.me, snitzer@redhat.com,
syzkaller-bugs@googlegroups.com, tj@kernel.org,
torvalds@linux-foundation.org, wgh@torlan.ru,
zkabelac@redhat.com
Subject: Re: WARNING in generic_make_request_checks
Date: Tue, 26 Nov 2019 20:54:58 -0800 [thread overview]
Message-ID: <201911262053.C6317530@keescook> (raw)
In-Reply-To: <000000000000350fb80597ee3931@google.com>
On Fri, Nov 22, 2019 at 04:05:01AM -0800, syzbot wrote:
> syzbot has bisected this bug to:
>
> commit a32e236eb93e62a0f692e79b7c3c9636689559b9
> Author: Linus Torvalds <torvalds@linux-foundation.org>
> Date: Fri Aug 3 19:22:09 2018 +0000
>
> Partially revert "block: fail op_is_write() requests to read-only
> partitions"
>
> bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=119503d2e00000
> start commit: 60f5a217 Merge tag 'usercopy-fix-v4.18-rc8' of git://git.k..
> git tree: upstream
> final crash: https://syzkaller.appspot.com/x/report.txt?x=139503d2e00000
> console output: https://syzkaller.appspot.com/x/log.txt?x=159503d2e00000
> kernel config: https://syzkaller.appspot.com/x/.config?x=2dc0cd7c2eefb46f
> dashboard link: https://syzkaller.appspot.com/bug?extid=21cfe1f803e0e158acf1
> syz repro: https://syzkaller.appspot.com/x/repro.syz?x=17b87bfc400000
> C reproducer: https://syzkaller.appspot.com/x/repro.c?x=117ccc8c400000
>
> Reported-by: syzbot+21cfe1f803e0e158acf1@syzkaller.appspotmail.com
> Fixes: a32e236eb93e ("Partially revert "block: fail op_is_write() requests
> to read-only partitions"")
>
> For information about bisection process see: https://goo.gl/tpsmEJ#bisection
#syz test: git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git 8b2ded1c94c06f841f8c1612bcfa33c85012a36b
See https://lore.kernel.org/lkml/20191125174037.GA768@infradead.org/
--
Kees Cook
next prev parent reply other threads:[~2019-11-27 4:55 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-08-09 3:39 WARNING in generic_make_request_checks syzbot
2019-11-22 12:05 ` syzbot
2019-11-27 4:54 ` Kees Cook [this message]
2019-11-27 7:45 ` syzbot
2019-11-27 19:26 ` Kees Cook
2019-11-28 8:52 ` Dmitry Vyukov
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