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Fri, 04 Apr 2025 09:50:56 -0400 X-MC-Unique: tjhwzyzOMsmGNMNs1LaaYg-1 X-Mimecast-MFC-AGG-ID: tjhwzyzOMsmGNMNs1LaaYg_1743774655 Received: from mx-prod-int-04.mail-002.prod.us-west-2.aws.redhat.com (mx-prod-int-04.mail-002.prod.us-west-2.aws.redhat.com [10.30.177.40]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (2048 bits) server-digest SHA256) (No client certificate requested) by mx-prod-mc-03.mail-002.prod.us-west-2.aws.redhat.com (Postfix) with ESMTPS id 4891D19560BC; Fri, 4 Apr 2025 13:50:55 +0000 (UTC) Received: from fedora (unknown [10.72.120.26]) by mx-prod-int-04.mail-002.prod.us-west-2.aws.redhat.com (Postfix) with ESMTPS id 157C419560AD; Fri, 4 Apr 2025 13:50:50 +0000 (UTC) Date: Fri, 4 Apr 2025 21:50:44 +0800 From: Ming Lei To: syzbot Cc: axboe@kernel.dk, linux-block@vger.kernel.org, linux-kernel@vger.kernel.org, syzkaller-bugs@googlegroups.com Subject: Re: [syzbot] [block?] possible deadlock in blk_mq_freeze_queue_nomemsave Message-ID: References: <67ea99e0.050a0220.3c3d88.0042.GAE@google.com> <67ee4810.050a0220.9040b.016e.GAE@google.com> Precedence: bulk X-Mailing-List: linux-block@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <67ee4810.050a0220.9040b.016e.GAE@google.com> X-Scanned-By: MIMEDefang 3.0 on 10.30.177.40 On Thu, Apr 03, 2025 at 01:34:24AM -0700, syzbot wrote: > syzbot has found a reproducer for the following issue on: > > HEAD commit: a1b5bd45d4ee Merge tag 'usb-6.15-rc1' of git://git.kernel... > git tree: upstream > console output: https://syzkaller.appspot.com/x/log.txt?x=1711cfb0580000 > kernel config: https://syzkaller.appspot.com/x/.config?x=adffebefc9feb9d6 > dashboard link: https://syzkaller.appspot.com/bug?extid=9dd7dbb1a4b915dee638 > compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 > syz repro: https://syzkaller.appspot.com/x/repro.syz?x=12ee494c580000 > C reproducer: https://syzkaller.appspot.com/x/repro.c?x=13df5998580000 > > Downloadable assets: > disk image (non-bootable): https://storage.googleapis.com/syzbot-assets/7feb34a89c2a/non_bootable_disk-a1b5bd45.raw.xz > vmlinux: https://storage.googleapis.com/syzbot-assets/588b4d489b63/vmlinux-a1b5bd45.xz > kernel image: https://storage.googleapis.com/syzbot-assets/51ead797f7ae/bzImage-a1b5bd45.xz > > IMPORTANT: if you fix the issue, please add the following tag to the commit: > Reported-by: syzbot+9dd7dbb1a4b915dee638@syzkaller.appspotmail.com ... > If you want syzbot to run the reproducer, reply with: > #syz test: git://repo/address.git branch-or-commit-hash > If you attach or paste a git patch, syzbot will apply it before testing. #syz test: https://github.com/ming1/linux.git syzbot-test Thanks, Ming