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AKwUvByk2DO0fqtkoyujO5zmKQjKVKuudqCfZNKOiy4Pdluz+aYBoUZeKhVxD3CB3ujWCltEJrdvo3uhZiW7jPo=@vger.kernel.org X-Gm-Message-State: AFuF++nJxV+INWVOQbzvzFZ0C2DAbQyrRMeslV4mFz/fMzF7LLaJVsrv 9UljD3su0vwEvPhPFpzV+wgi0QcUsRuiLjlKaY66Q8lAaQRA5kRTW7QJOCbE6pkjL8nKBpVG5ZK Ihyz0YgwSfl6pOkQdR1jewyoRBK07Ia67DPmn/0Sh6UWVG9etsFmewEiLp1U= Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Received: by 2002:a05:6808:1209:b0:4a0:cf55:3cf0 with SMTP id 5614622812f47-4b9613fc552mr3447399b6e.9.1788514382789; Fri, 04 Sep 2026 02:33:02 -0700 (PDT) Date: Fri, 04 Sep 2026 02:33:02 -0700 In-Reply-To: <20260904091018.606487-1-eadavis@sina.com> X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <6a9a904e.9266084e.bf0d7.060f.GAE@google.com> Subject: Re: [syzbot] [block?] general protection fault in blk_mq_quiesce_queue From: syzbot To: eadavis@sina.com, linux-kernel@vger.kernel.org, syzkaller-bugs@googlegroups.com Content-Type: text/plain; charset="UTF-8" Hello, syzbot has tested the proposed patch but the reproducer is still triggering an issue: WARNING in nvme_loop_reset_ctrl_work ------------[ cut here ]------------ 1 WARNING: drivers/nvme/target/loop.c:457 at nvme_loop_reset_ctrl_work+0x1d4/0x620 drivers/nvme/target/loop.c:457, CPU#3: kworker/u33:3/62 Modules linked in: CPU: 3 UID: 0 PID: 62 Comm: kworker/u33:3 Not tainted syzkaller #0 PREEMPT(full) Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 Workqueue: nvme-reset-wq nvme_loop_reset_ctrl_work RIP: 0010:nvme_loop_reset_ctrl_work+0x1d4/0x620 drivers/nvme/target/loop.c:457 Code: 7c 08 84 d2 0f 85 b2 03 00 00 8b 9b dc f8 ff ff bf 01 00 00 00 83 eb 04 89 de e8 c7 fb 59 fb 83 fb 01 76 09 e8 4d 01 5a fb 90 <0f> 0b 90 e8 44 01 5a fb 48 83 c4 18 5b 5d 41 5c 41 5d 41 5e 41 5f RSP: 0018:ffffc900007dfbd8 EFLAGS: 00010293 RAX: 0000000000000000 RBX: 00000000ffffffff RCX: 0000000000000000 RDX: ffff888020f72580 RSI: ffffffff86b13ae3 RDI: ffff888020f72580 RBP: 0000000000000000 R08: 0000000000000005 R09: 0000000000000001 R10: 00000000ffffffff R11: 00000000000075fb R12: ffff8880299f83e8 R13: ffff8880299f83ec R14: 0000000000000000 R15: ffff88802886b800 FS: 0000000000000000(0000) GS:ffff888096c67000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00000000f7f6e210 CR3: 000000004d58f000 CR4: 0000000000352ef0 Call Trace: process_one_work+0xac7/0x1b10 kernel/workqueue.c:3396 process_scheduled_works kernel/workqueue.c:3479 [inline] worker_thread+0x5ef/0xe50 kernel/workqueue.c:3560 kthread+0x373/0x450 kernel/kthread.c:436 ret_from_fork+0x730/0xd60 arch/x86/kernel/process.c:158 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245 Tested on: commit: 940de590 Merge tag 'hardening-v7.3-rc2' of git://git.k.. git tree: git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git console output: https://syzkaller.appspot.com/x/log.txt?x=116438f9580000 kernel config: https://syzkaller.appspot.com/x/.config?x=85bc5cc2fc7394d9 dashboard link: https://syzkaller.appspot.com/bug?extid=fefa0af09f7891b1800e compiler: gcc (Debian 14.2.0-19) 14.2.0, GNU ld (GNU Binutils for Debian) 2.44 userspace arch: i386 patch: https://syzkaller.appspot.com/x/patch.diff?x=100438f9580000