From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-il1-f198.google.com (mail-il1-f198.google.com [209.85.166.198]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 531746A009 for ; Sat, 26 Oct 2024 05:43:26 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.166.198 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1729921409; cv=none; b=oHl40pqCbVv64UU7PYtj9cbgymqTTwDvaX9+jOo8q3+pD+ZQAS79y4s8DJP5jpEEeZdbC1yfGvlMhFeJgSjmlBg/DvoEn4QzjK3nm6xLsOpOclYoI2vDxfdcVpb3vy3V6ndV0i39SLKCYXSZUuSJf977rgIcE3deN/0cX8vzxBs= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1729921409; c=relaxed/simple; bh=iG3XM4IjDFg4pYlWN0BeyJZy1JumqfoCK7aKPqEZgIY=; h=MIME-Version:Date:In-Reply-To:Message-ID:Subject:From:To: Content-Type; b=A3Uzbm2zdM21yT85i56n6NeM7Ey4XMJPzABESv+3BSndBO7kuiPcLnfnQyZg9Rk3EZ6RIr0Y85uJXcRKlHBwvKP4WtmX329KvClRM7M8p7GEysIHgwnOPc/sasOOKGKbIHmbDOfa2fQf6dhxiupa8FzbiAPI1FK+RZzrU++9IDc= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=fail (p=none dis=none) header.from=syzkaller.appspotmail.com; spf=pass smtp.mailfrom=M3KW2WVRGUFZ5GODRSRYTGD7.apphosting.bounces.google.com; arc=none smtp.client-ip=209.85.166.198 Authentication-Results: smtp.subspace.kernel.org; dmarc=fail (p=none dis=none) header.from=syzkaller.appspotmail.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=M3KW2WVRGUFZ5GODRSRYTGD7.apphosting.bounces.google.com Received: by mail-il1-f198.google.com with SMTP id e9e14a558f8ab-3a3c72d4ac4so24046325ab.3 for ; Fri, 25 Oct 2024 22:43:26 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1729921405; x=1730526205; 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=bIsQ0oVQ7TY0dQoBRb8Vhdd/HS1uhC5yoJiiqe6eazE=; b=LFM5jiUOKmmH4yVr8Zm+m7odidEMK3hpxDO5FbWMFcdXARoN31ZdIWXRQ8p8r6FmNP RrHDH0sTxB//lwUyIf8rJintzC9E+lIEx39mgu0qfxej8Da4MyIZ9fRmJpPubA+DcpEm EYYm0Ll+ALB41FkXhttKquPm08ar9qDBvkg8xGuuWmjuECxrqbgElyrti8dPsVPypR5T O9MY1Zish4rv/ybPveKmS0HqYAujda4h99ehJKSeua1LglCb6uAkgVUZCGZEjOV8WthP XepBYKNZtXb8Lv/3GFpWHVXm0voYNQIch7H78lJmjPINkMkt3rIyX+bCQKQ25lJQbfSQ zXzw== X-Forwarded-Encrypted: i=1; AJvYcCXv9XcSHC9bahg0zd8rxCYXI09nZj8kjCEMosrHco4oxQXGLu9Kb5hA0HRM2d1NDul9Ll8/7W3ziQ==@vger.kernel.org X-Gm-Message-State: AOJu0YyvQoxtP9Q7RFtQ+ZXbtyPBrM6dWGg3Y2H4GuZD4U98+RlXrQoc JrncBybK7q+19HU6B183Ktn8HwjznU9fo9VyyC6L4B9Gmmakj1NtyG5H+oCow70PNAc+DMqn71F ThrpW6ORvgpTIB0hrLoVuq+XenVfl588idqJKfrwPakZHapaz9JHPciI= X-Google-Smtp-Source: AGHT+IHo2UNmMOmAQCFHqtMd4HZslw8RTLN7XP0PkzzlCL5ERqvCAWpemMY5XygzX/mosEMUwK07VLc3qzjQuVuMKZfI8pBly85M Precedence: bulk X-Mailing-List: io-uring@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Received: by 2002:a05:6e02:1aa2:b0:3a4:e62b:4dfd with SMTP id e9e14a558f8ab-3a4ed296312mr13767425ab.7.1729921405430; Fri, 25 Oct 2024 22:43:25 -0700 (PDT) Date: Fri, 25 Oct 2024 22:43:25 -0700 In-Reply-To: <67142ff9.050a0220.1e4b4d.002f.GAE@google.com> X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <671c817d.050a0220.2b8c0f.01ad.GAE@google.com> Subject: Re: [syzbot] [io-uring?] INFO: task hung in io_wq_put_and_exit (4) From: syzbot To: asml.silence@gmail.com, axboe@kernel.dk, io-uring@vger.kernel.org, linux-kernel@vger.kernel.org, syzkaller-bugs@googlegroups.com Content-Type: text/plain; charset="UTF-8" syzbot has found a reproducer for the following issue on: HEAD commit: b423f5a9a61f Merge tag 'acpi-6.12-rc5' of git://git.kernel.. git tree: upstream console+strace: https://syzkaller.appspot.com/x/log.txt?x=1393565f980000 kernel config: https://syzkaller.appspot.com/x/.config?x=fd919c0fc1af4272 dashboard link: https://syzkaller.appspot.com/bug?extid=58928048fd1416f1457c compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 syz repro: https://syzkaller.appspot.com/x/repro.syz?x=122f04a7980000 C reproducer: https://syzkaller.appspot.com/x/repro.c?x=132cbe40580000 Downloadable assets: disk image: https://storage.googleapis.com/syzbot-assets/49d1d501eff9/disk-b423f5a9.raw.xz vmlinux: https://storage.googleapis.com/syzbot-assets/f973ba06cb5d/vmlinux-b423f5a9.xz kernel image: https://storage.googleapis.com/syzbot-assets/a97302c30f3f/bzImage-b423f5a9.xz IMPORTANT: if you fix the issue, please add the following tag to the commit: Reported-by: syzbot+58928048fd1416f1457c@syzkaller.appspotmail.com INFO: task syz-executor295:5876 blocked for more than 143 seconds. Not tainted 6.12.0-rc4-syzkaller-00245-gb423f5a9a61f #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz-executor295 state:D stack:25360 pid:5876 tgid:5876 ppid:5861 flags:0x00024002 Call Trace: context_switch kernel/sched/core.c:5328 [inline] __schedule+0x185a/0x4b70 kernel/sched/core.c:6690 __schedule_loop kernel/sched/core.c:6767 [inline] schedule+0x14b/0x320 kernel/sched/core.c:6782 schedule_timeout+0xb0/0x310 kernel/time/timer.c:2591 do_wait_for_common kernel/sched/completion.c:95 [inline] __wait_for_common kernel/sched/completion.c:116 [inline] wait_for_common kernel/sched/completion.c:127 [inline] wait_for_completion+0x355/0x620 kernel/sched/completion.c:148 io_wq_exit_workers io_uring/io-wq.c:1249 [inline] io_wq_put_and_exit+0x344/0x720 io_uring/io-wq.c:1277 io_uring_clean_tctx+0x168/0x1e0 io_uring/tctx.c:193 io_uring_cancel_generic+0x76a/0x820 io_uring/io_uring.c:3219 io_uring_files_cancel include/linux/io_uring.h:20 [inline] do_exit+0x6a8/0x28e0 kernel/exit.c:895 do_group_exit+0x207/0x2c0 kernel/exit.c:1088 __do_sys_exit_group kernel/exit.c:1099 [inline] __se_sys_exit_group kernel/exit.c:1097 [inline] __x64_sys_exit_group+0x3f/0x40 kernel/exit.c:1097 x64_sys_call+0x2634/0x2640 arch/x86/include/generated/asm/syscalls_64.h:232 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7fdf6e9370f9 RSP: 002b:00007ffcae28c868 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fdf6e9370f9 RDX: 000000000000003c RSI: 00000000000000e7 RDI: 0000000000000000 RBP: 00007fdf6e9b22d0 R08: ffffffffffffffb8 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00007fdf6e9b22d0 R13: 0000000000000000 R14: 00007fdf6e9b2d40 R15: 00007fdf6e908280 INFO: task syz-executor295:5878 blocked for more than 145 seconds. Not tainted 6.12.0-rc4-syzkaller-00245-gb423f5a9a61f #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz-executor295 state:D stack:25136 pid:5878 tgid:5878 ppid:5859 flags:0x00024002 Call Trace: context_switch kernel/sched/core.c:5328 [inline] __schedule+0x185a/0x4b70 kernel/sched/core.c:6690 __schedule_loop kernel/sched/core.c:6767 [inline] schedule+0x14b/0x320 kernel/sched/core.c:6782 schedule_timeout+0xb0/0x310 kernel/time/timer.c:2591 do_wait_for_common kernel/sched/completion.c:95 [inline] __wait_for_common kernel/sched/completion.c:116 [inline] wait_for_common kernel/sched/completion.c:127 [inline] wait_for_completion+0x355/0x620 kernel/sched/completion.c:148 io_wq_exit_workers io_uring/io-wq.c:1249 [inline] io_wq_put_and_exit+0x344/0x720 io_uring/io-wq.c:1277 io_uring_clean_tctx+0x168/0x1e0 io_uring/tctx.c:193 io_uring_cancel_generic+0x76a/0x820 io_uring/io_uring.c:3219 io_uring_files_cancel include/linux/io_uring.h:20 [inline] do_exit+0x6a8/0x28e0 kernel/exit.c:895 do_group_exit+0x207/0x2c0 kernel/exit.c:1088 __do_sys_exit_group kernel/exit.c:1099 [inline] __se_sys_exit_group kernel/exit.c:1097 [inline] __x64_sys_exit_group+0x3f/0x40 kernel/exit.c:1097 x64_sys_call+0x2634/0x2640 arch/x86/include/generated/asm/syscalls_64.h:232 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7fdf6e9370f9 RSP: 002b:00007ffcae28c868 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fdf6e9370f9 RDX: 000000000000003c RSI: 00000000000000e7 RDI: 0000000000000000 RBP: 00007fdf6e9b22d0 R08: ffffffffffffffb8 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00007fdf6e9b22d0 R13: 0000000000000000 R14: 00007fdf6e9b2d40 R15: 00007fdf6e908280 INFO: task syz-executor295:5880 blocked for more than 147 seconds. Not tainted 6.12.0-rc4-syzkaller-00245-gb423f5a9a61f #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz-executor295 state:D stack:25744 pid:5880 tgid:5880 ppid:5855 flags:0x00024002 Call Trace: context_switch kernel/sched/core.c:5328 [inline] __schedule+0x185a/0x4b70 kernel/sched/core.c:6690 __schedule_loop kernel/sched/core.c:6767 [inline] schedule+0x14b/0x320 kernel/sched/core.c:6782 schedule_timeout+0xb0/0x310 kernel/time/timer.c:2591 do_wait_for_common kernel/sched/completion.c:95 [inline] __wait_for_common kernel/sched/completion.c:116 [inline] wait_for_common kernel/sched/completion.c:127 [inline] wait_for_completion+0x355/0x620 kernel/sched/completion.c:148 io_wq_exit_workers io_uring/io-wq.c:1249 [inline] io_wq_put_and_exit+0x344/0x720 io_uring/io-wq.c:1277 io_uring_clean_tctx+0x168/0x1e0 io_uring/tctx.c:193 io_uring_cancel_generic+0x76a/0x820 io_uring/io_uring.c:3219 io_uring_files_cancel include/linux/io_uring.h:20 [inline] do_exit+0x6a8/0x28e0 kernel/exit.c:895 do_group_exit+0x207/0x2c0 kernel/exit.c:1088 __do_sys_exit_group kernel/exit.c:1099 [inline] __se_sys_exit_group kernel/exit.c:1097 [inline] __x64_sys_exit_group+0x3f/0x40 kernel/exit.c:1097 x64_sys_call+0x2634/0x2640 arch/x86/include/generated/asm/syscalls_64.h:232 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7fdf6e9370f9 RSP: 002b:00007ffcae28c868 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fdf6e9370f9 RDX: 000000000000003c RSI: 00000000000000e7 RDI: 0000000000000000 RBP: 00007fdf6e9b22d0 R08: ffffffffffffffb8 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00007fdf6e9b22d0 R13: 0000000000000000 R14: 00007fdf6e9b2d40 R15: 00007fdf6e908280 INFO: task syz-executor295:5884 blocked for more than 148 seconds. Not tainted 6.12.0-rc4-syzkaller-00245-gb423f5a9a61f #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz-executor295 state:D stack:25744 pid:5884 tgid:5884 ppid:5856 flags:0x00024002 Call Trace: context_switch kernel/sched/core.c:5328 [inline] __schedule+0x185a/0x4b70 kernel/sched/core.c:6690 __schedule_loop kernel/sched/core.c:6767 [inline] schedule+0x14b/0x320 kernel/sched/core.c:6782 schedule_timeout+0xb0/0x310 kernel/time/timer.c:2591 do_wait_for_common kernel/sched/completion.c:95 [inline] __wait_for_common kernel/sched/completion.c:116 [inline] wait_for_common kernel/sched/completion.c:127 [inline] wait_for_completion+0x355/0x620 kernel/sched/completion.c:148 io_wq_exit_workers io_uring/io-wq.c:1249 [inline] io_wq_put_and_exit+0x344/0x720 io_uring/io-wq.c:1277 io_uring_clean_tctx+0x168/0x1e0 io_uring/tctx.c:193 io_uring_cancel_generic+0x76a/0x820 io_uring/io_uring.c:3219 io_uring_files_cancel include/linux/io_uring.h:20 [inline] do_exit+0x6a8/0x28e0 kernel/exit.c:895 do_group_exit+0x207/0x2c0 kernel/exit.c:1088 __do_sys_exit_group kernel/exit.c:1099 [inline] __se_sys_exit_group kernel/exit.c:1097 [inline] __x64_sys_exit_group+0x3f/0x40 kernel/exit.c:1097 x64_sys_call+0x2634/0x2640 arch/x86/include/generated/asm/syscalls_64.h:232 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7fdf6e9370f9 RSP: 002b:00007ffcae28c868 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fdf6e9370f9 RDX: 000000000000003c RSI: 00000000000000e7 RDI: 0000000000000000 RBP: 00007fdf6e9b22d0 R08: ffffffffffffffb8 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00007fdf6e9b22d0 R13: 0000000000000000 R14: 00007fdf6e9b2d40 R15: 00007fdf6e908280 INFO: task syz-executor295:5887 blocked for more than 150 seconds. Not tainted 6.12.0-rc4-syzkaller-00245-gb423f5a9a61f #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz-executor295 state:D stack:25360 pid:5887 tgid:5887 ppid:5862 flags:0x00024002 Call Trace: context_switch kernel/sched/core.c:5328 [inline] __schedule+0x185a/0x4b70 kernel/sched/core.c:6690 __schedule_loop kernel/sched/core.c:6767 [inline] schedule+0x14b/0x320 kernel/sched/core.c:6782 schedule_timeout+0xb0/0x310 kernel/time/timer.c:2591 do_wait_for_common kernel/sched/completion.c:95 [inline] __wait_for_common kernel/sched/completion.c:116 [inline] wait_for_common kernel/sched/completion.c:127 [inline] wait_for_completion+0x355/0x620 kernel/sched/completion.c:148 io_wq_exit_workers io_uring/io-wq.c:1249 [inline] io_wq_put_and_exit+0x344/0x720 io_uring/io-wq.c:1277 io_uring_clean_tctx+0x168/0x1e0 io_uring/tctx.c:193 io_uring_cancel_generic+0x76a/0x820 io_uring/io_uring.c:3219 io_uring_files_cancel include/linux/io_uring.h:20 [inline] do_exit+0x6a8/0x28e0 kernel/exit.c:895 do_group_exit+0x207/0x2c0 kernel/exit.c:1088 __do_sys_exit_group kernel/exit.c:1099 [inline] __se_sys_exit_group kernel/exit.c:1097 [inline] __x64_sys_exit_group+0x3f/0x40 kernel/exit.c:1097 x64_sys_call+0x2634/0x2640 arch/x86/include/generated/asm/syscalls_64.h:232 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7fdf6e9370f9 RSP: 002b:00007ffcae28c868 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fdf6e9370f9 RDX: 000000000000003c RSI: 00000000000000e7 RDI: 0000000000000000 RBP: 00007fdf6e9b22d0 R08: ffffffffffffffb8 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00007fdf6e9b22d0 R13: 0000000000000000 R14: 00007fdf6e9b2d40 R15: 00007fdf6e908280 Showing all locks held in the system: 3 locks held by kworker/u8:0/11: 1 lock held by khungtaskd/30: #0: ffffffff8e937e20 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire include/linux/rcupdate.h:337 [inline] #0: ffffffff8e937e20 (rcu_read_lock){....}-{1:2}, at: rcu_read_lock include/linux/rcupdate.h:849 [inline] #0: ffffffff8e937e20 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x55/0x2a0 kernel/locking/lockdep.c:6720 3 locks held by kworker/u8:2/35: 3 locks held by kworker/u8:3/52: 3 locks held by kworker/u8:5/148: 2 locks held by getty/5585: #0: ffff88803153f0a0 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x25/0x70 drivers/tty/tty_ldisc.c:243 #1: ffffc90002f062f0 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x6a6/0x1e00 drivers/tty/n_tty.c:2211 1 lock held by iou-wrk-5876/5877: 1 lock held by iou-wrk-5878/5881: 3 locks held by kworker/u8:1/5879: 1 lock held by iou-wrk-5880/5882: 1 lock held by iou-wrk-5884/5885: 1 lock held by iou-wrk-5887/5888: ============================================= NMI backtrace for cpu 1 CPU: 1 UID: 0 PID: 30 Comm: khungtaskd Not tainted 6.12.0-rc4-syzkaller-00245-gb423f5a9a61f #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 Call Trace: __dump_stack lib/dump_stack.c:94 [inline] dump_stack_lvl+0x241/0x360 lib/dump_stack.c:120 nmi_cpu_backtrace+0x49c/0x4d0 lib/nmi_backtrace.c:113 nmi_trigger_cpumask_backtrace+0x198/0x320 lib/nmi_backtrace.c:62 trigger_all_cpu_backtrace include/linux/nmi.h:162 [inline] check_hung_uninterruptible_tasks kernel/hung_task.c:223 [inline] watchdog+0xff4/0x1040 kernel/hung_task.c:379 kthread+0x2f0/0x390 kernel/kthread.c:389 ret_from_fork+0x4b/0x80 arch/x86/kernel/process.c:147 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244 Sending NMI from CPU 1 to CPUs 0: NMI backtrace for cpu 0 CPU: 0 UID: 0 PID: 5888 Comm: iou-wrk-5887 Not tainted 6.12.0-rc4-syzkaller-00245-gb423f5a9a61f #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 RIP: 0010:unwind_next_frame+0x17b5/0x22d0 arch/x86/kernel/unwind_orc.c:664 Code: 01 c6 49 8d 55 40 4c 89 ef e8 37 0e 00 00 84 c0 0f 84 66 01 00 00 49 bc 00 00 00 00 00 fc ff df 48 8b 44 24 20 42 0f b6 04 20 <84> c0 0f 85 36 08 00 00 48 8b 6c 24 08 8b 84 24 84 00 00 00 39 45 RSP: 0018:ffffc900041771d0 EFLAGS: 00000202 RAX: 0000000000000000 RBX: ffffffff90add366 RCX: 0000000000000000 RDX: dffffc0000000000 RSI: ffffc90004170000 RDI: ffffc90004177658 RBP: dffffc0000000000 R08: ffffc90004177658 R09: 0000000000000000 R10: ffffc900041772f0 R11: fffff5200082ee60 R12: dffffc0000000000 R13: ffffc900041772a0 R14: ffffffff81fb4fe6 R15: ffffc900041772f0 FS: 000055559112e380(0000) GS:ffff8880b8600000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000055a37bfd3600 CR3: 0000000032e0a000 CR4: 00000000003526f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: --- 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.