From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from lindbergh.monkeyblade.net (lindbergh.monkeyblade.net [23.128.96.19]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 3432437160 for ; Wed, 8 Nov 2023 21:18:06 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; dkim=none Received: from mail-oa1-f72.google.com (mail-oa1-f72.google.com [209.85.160.72]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 579922586 for ; Wed, 8 Nov 2023 13:18:05 -0800 (PST) Received: by mail-oa1-f72.google.com with SMTP id 586e51a60fabf-1e1a878ef40so121643fac.1 for ; Wed, 08 Nov 2023 13:18:05 -0800 (PST) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1699478284; x=1700083084; h=to:from:subject:message-id:in-reply-to:date:mime-version :x-gm-message-state:from:to:cc:subject:date:message-id:reply-to; bh=uyxXCXobhEYeqpQPjkfj5+53V53lG5RGnqEZ8F4ZUTk=; b=YFxgsnzOFPaYXI/rBOOcuRDS/QAWQRTCHT5ceTSc2233sYZR3oOlhxOZB28DxNxn8h tJelsWBhvY/f8Dux+YnUoqi84dr6rRLmyuUVXfw/EQp+TD2DmVXwSudCVeB2RZ+S9vhh cAtrMARSg7a6zvU6opU3dcIeetJc8bFZNrA2yZqQiSZMnSa2zKrGcbEq4AyeviwiV9xI k28MZ2iDdFihMwkWOY/hl0TP239moyU+DYd87mCfdG2LT2O3O8/TMezBwHrw9PBN6UJp YYlLdPqfkiUO7Ly+aj8Wma3RxlyORA6dCqd4SFulbr0PudbmS7+WMQqIekrK52PgnNsx mCoQ== X-Gm-Message-State: AOJu0Yy9ZGbnRyezkm/WAr0Q4XSgtTqo66cuXLSpv6r0R3lon26cjkPo Yg3KRlxEccAld00iFYiX39g1lIIDZwLH3DzpvJT9/gQETOCU X-Google-Smtp-Source: AGHT+IGNtPzOriGiQQk7C01UsTOUwMEx/R9olkgDecyABABOSJUkhpMGjCF50m4CvqCl1wqpICz9K4DJVTFk0TtNdTvT70tl+t4y Precedence: bulk X-Mailing-List: linux-block@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Received: by 2002:a05:6870:1d2:b0:1dc:34ea:1a6a with SMTP id n18-20020a05687001d200b001dc34ea1a6amr1308277oad.6.1699478284780; Wed, 08 Nov 2023 13:18:04 -0800 (PST) Date: Wed, 08 Nov 2023 13:18:04 -0800 In-Reply-To: <0000000000000014460609997fa2@google.com> X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <00000000000077ca930609aa9f86@google.com> Subject: Re: [syzbot] [block?] WARNING in blk_mq_start_request From: syzbot To: axboe@kernel.dk, bvanassche@acm.org, chaitanyak@nvidia.com, eadavis@qq.com, hch@infradead.org, linux-block@vger.kernel.org, linux-kernel@vger.kernel.org, ming.lei@redhat.com, syzkaller-bugs@googlegroups.com, zhouchengming@bytedance.com Content-Type: text/plain; charset="UTF-8" syzbot has bisected this issue to: commit d78bfa1346ab1fe04d20aa45a0678d1fc866f37c Author: Chengming Zhou Date: Wed Sep 13 15:16:16 2023 +0000 block/null_blk: add queue_rqs() support bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=106414a8e80000 start commit: 13d88ac54ddd Merge tag 'vfs-6.7.fsid' of git://git.kernel... git tree: upstream final oops: https://syzkaller.appspot.com/x/report.txt?x=126414a8e80000 console output: https://syzkaller.appspot.com/x/log.txt?x=146414a8e80000 kernel config: https://syzkaller.appspot.com/x/.config?x=beb32a598fd79db9 dashboard link: https://syzkaller.appspot.com/bug?extid=fcc47ba2476570cbbeb0 syz repro: https://syzkaller.appspot.com/x/repro.syz?x=1465bb08e80000 C reproducer: https://syzkaller.appspot.com/x/repro.c?x=13e7881f680000 Reported-by: syzbot+fcc47ba2476570cbbeb0@syzkaller.appspotmail.com Fixes: d78bfa1346ab ("block/null_blk: add queue_rqs() support") For information about bisection process see: https://goo.gl/tpsmEJ#bisection