From: Shinichiro Kawasaki <shinichiro.kawasaki@wdc.com>
To: Yu Kuai <yukuai1@huaweicloud.com>
Cc: "linux-block@vger.kernel.org" <linux-block@vger.kernel.org>,
Gabriele Felici <felicigb@gmail.com>,
Gianmarco Lusvardi <glusvardi@posteo.net>,
Giulio Barabino <giuliobarabino99@gmail.com>,
Emiliano Maccaferri <inbox@emilianomaccaferri.com>,
Paolo Valente <paolo.valente@linaro.org>,
Damien Le Moal <damien.lemoal@opensource.wdc.com>,
"yukuai (C)" <yukuai3@huawei.com>, Jan Kara <jack@suse.cz>
Subject: Re: [bug report] BUG: KASAN: slab-use-after-free in bfq_setup_cooperator
Date: Tue, 7 Mar 2023 09:13:37 +0000 [thread overview]
Message-ID: <20230307091336.p2mzdo225zkoldmd@shindev> (raw)
In-Reply-To: <220e7ee3-e294-753f-d9df-8957a8f047e9@huaweicloud.com>
On Mar 07, 2023 / 16:57, Yu Kuai wrote:
[...]
> Thanks for the report, can you help to provide the result of add2line of
> following?
>
> bfq_setup_cooperator+0x120b/0x1650
> bfq_setup_cooperator+0xa41/0x1650
>
> That will help to locate the problem.
Hi, Yu thanks for looking into this. Here are the faddr2line outputs:
$ ./scripts/faddr2line vmlinux bfq_setup_cooperator+0x120b/0x1650
bfq_setup_cooperator+0x120b/0x1650:
bfqq_process_refs at block/bfq-iosched.c:1200
(inlined by) bfq_setup_stable_merge at block/bfq-iosched.c:2855
(inlined by) bfq_setup_cooperator at block/bfq-iosched.c:2941
$ ./scripts/faddr2line vmlinux bfq_setup_cooperator+0xa41/0x1650
bfq_setup_cooperator+0xa41/0x1650:
bfq_setup_cooperator at block/bfq-iosched.c:2939
--
Shin'ichiro Kawasaki
next prev parent reply other threads:[~2023-03-07 9:13 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-03-07 7:14 [bug report] BUG: KASAN: slab-use-after-free in bfq_setup_cooperator Shinichiro Kawasaki
2023-03-07 8:57 ` Yu Kuai
2023-03-07 9:13 ` Shinichiro Kawasaki [this message]
2023-03-07 9:36 ` Yu Kuai
2023-03-07 10:20 ` Jan Kara
2023-03-07 10:28 ` Yu Kuai
2023-03-07 11:49 ` Shinichiro Kawasaki
2023-03-07 14:26 ` Jens Axboe
2023-03-08 2:32 ` [PATCH] block, bfq: fix uaf for 'stable_merge_bfqq' Yu Kuai
2023-03-08 5:56 ` Shinichiro Kawasaki
2023-03-08 10:21 ` Jan Kara
2023-03-08 14:35 ` Jens Axboe
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=20230307091336.p2mzdo225zkoldmd@shindev \
--to=shinichiro.kawasaki@wdc.com \
--cc=damien.lemoal@opensource.wdc.com \
--cc=felicigb@gmail.com \
--cc=giuliobarabino99@gmail.com \
--cc=glusvardi@posteo.net \
--cc=inbox@emilianomaccaferri.com \
--cc=jack@suse.cz \
--cc=linux-block@vger.kernel.org \
--cc=paolo.valente@linaro.org \
--cc=yukuai1@huaweicloud.com \
--cc=yukuai3@huawei.com \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.