From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-io1-f72.google.com (mail-io1-f72.google.com [209.85.166.72]) (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 2D9B715382E for ; Mon, 17 Feb 2025 07:49:04 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.166.72 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1739778547; cv=none; b=H9fV64M5bzdoQwc0ZXF9WdoLIqXlvxpD43NFVEr8j/6O1JptFU+y0V9t9hJLYFYrP3iN8vm1J1Q6YxMyEQxSsYWOlfWSxa1LmZ/LlVZ7NW9W53Xhyf8htKnQ+dFKmbdmRaJ6gamx3X8Hqvon2FUTQzSpdb1+AWbqvaG6SUJ2a8g= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1739778547; c=relaxed/simple; bh=PkIGx3xdUWeB/lwjT8ZJd4t+5kPoAkzHZsaol+qh+V0=; h=MIME-Version:Date:In-Reply-To:Message-ID:Subject:From:To: Content-Type; b=G7liWfRiM9yK99mQt3XYa94vh6fJQ3nXbdIliG3MX612a5te2DYAxHgXar6CkALu5yejJZGPOvw5434kB0NypfQl0JsnMiAK5lmzqVz0d6qFmJ7SdGs8CrkaZ1w6EIxV9va0yhpRYcFdk/BDeHY5rAO9bjxaM8/pcZdbp9oSmjs= 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=209.85.166.72 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-io1-f72.google.com with SMTP id ca18e2360f4ac-851a991cf8bso332998239f.0 for ; Sun, 16 Feb 2025 23:49:04 -0800 (PST) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1739778544; x=1740383344; h=content-transfer-encoding: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=TECz2zXvBDl4LBkQuaJ114CZBcWu8R2m8R3XsiCCzeg=; b=j+L+FylnWyD9hzeVHcpzMhYT7sYe6EaUAVbk93xuMhCTfLsCD26MWmiSU8KZ74fYwf DkY/W1XcQXUJrHTe7+N700a6XXRo3QHWN9Uo4VErljESE8wDYHf65+2+z3e/c9jLcrTQ NRtZrNopW4D03nkCuPiB6APJXKhcLIq2SR0LG4URymnPIyz34vqqbabZDM/cyDsh0pjR sU4agJuZYZDElZvoWoTNMI51KNfImruhBk5ASs0OE1C5uExIgdvz04LicKxEN2/7AgII B6lZBV3OVCCw/dGCnfmJNB0taQoKYQonWTa/IvAkSHxTa/twVEHbY4F0AeFWfNF8bTQk o2VA== X-Gm-Message-State: AOJu0YzfHh2EKj2y6lDrhFGifBWNRM5oSJcicpWM1bPJx31s2Q2FJCwn laP3NIP0eKK3YGaSJNOyrWbTC9wUERU3Gfjnu24xgRa0INk/vE2ybT9KnIhai85Q/By8soCFfMY 0Wl0tSIW3LZ1MSm7zprO+q+psvKWEivuUwPv/NTGoswBTMx302v9S95U= X-Google-Smtp-Source: AGHT+IF7Vhm25I/gyux79Ait6vdbG7Tpl/nDgHw9yeILNsUijW6bXt+tArlFViR6omHJNVzMgoR5toGdkbma337oUvB9wAvytBsc Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Received: by 2002:a05:6e02:1c89:b0:3d0:11a4:1f87 with SMTP id e9e14a558f8ab-3d281f87ae5mr49560295ab.7.1739778544236; Sun, 16 Feb 2025 23:49:04 -0800 (PST) Date: Sun, 16 Feb 2025 23:49:04 -0800 In-Reply-To: <20250217072635.2581421-1-lizhi.xu@windriver.com> X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <67b2e9f0.050a0220.173698.001e.GAE@google.com> Subject: Re: [syzbot] [fs?] BUG: corrupted list in remove_wait_queue (2) From: syzbot To: linux-kernel@vger.kernel.org, lizhi.xu@windriver.com, syzkaller-bugs@googlegroups.com Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable Hello, syzbot tried to test the proposed patch but the build/boot failed: x64_sys_ppoll+0x10/0x10 [ 290.731692][ T30] do_syscall_64+0xcd/0x250 [ 290.736222][ T30] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 290.742188][ T30] RIP: 0033:0x7f73a7655ad5 [ 290.746833][ T30] RSP: 002b:00007ffe72d11e20 EFLAGS: 00000246 ORIG_RAX= : 000000000000010f [ 290.755346][ T30] RAX: ffffffffffffffda RBX: 0000560ad729aee0 RCX: 000= 07f73a7655ad5 [ 290.763447][ T30] RDX: 0000000000000000 RSI: 0000000000000003 RDI: 000= 0560ad729aec0 [ 290.771556][ T30] RBP: 00007ffe72d12170 R08: 0000000000000008 R09: 000= 07f73a772db40 [ 290.779578][ T30] R10: 00007ffe72d12170 R11: 0000000000000246 R12: 000= 0000000000000 [ 290.787562][ T30] R13: 0000560aac154610 R14: 0000000000000003 R15: 000= 0000000000000 [ 290.795697][ T30] [ 290.798731][ T30] Future hung task reports are suppressed, see sysctl = kernel.hung_task_warnings [ 290.808055][ T30] INFO: task dhcpcd:5459 blocked for more than 147 sec= onds. [ 290.815568][ T30] Not tainted 6.14.0-rc3-syzkaller-g0ad2507d5d93= -dirty #0 [ 290.823253][ T30] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" d= isables this message. [ 290.832145][ T30] task:dhcpcd state:D stack:26496 pid:5459 t= gid:5459 ppid:5455 task_flags:0x400140 flags:0x00000002 [ 290.844203][ T30] Call Trace: [ 290.847520][ T30] [ 290.850575][ T30] __schedule+0xf43/0x5890 [ 290.855023][ T30] ? __pfx___lock_acquire+0x10/0x10 [ 290.860293][ T30] ? __pfx___lock_acquire+0x10/0x10 [ 290.865524][ T30] ? __pfx___schedule+0x10/0x10 [ 290.870478][ T30] ? schedule+0x298/0x350 [ 290.874855][ T30] ? __pfx_lock_release+0x10/0x10 [ 290.879964][ T30] ? __mutex_trylock_common+0x78/0x250 [ 290.885453][ T30] ? lock_acquire+0x2f/0xb0 [ 290.890068][ T30] ? schedule+0x1fd/0x350 [ 290.894446][ T30] schedule+0xe7/0x350 [ 290.898633][ T30] schedule_preempt_disabled+0x13/0x30 [ 290.904183][ T30] __mutex_lock+0x6bd/0xb10 [ 290.908716][ T30] ? do_sys_poll+0x2d0/0xe00 [ 290.913403][ T30] ? __pfx___mutex_lock+0x10/0x10 [ 290.918494][ T30] ? __pfx_lock_release+0x10/0x10 [ 290.923613][ T30] ? trace_lock_acquire+0x14e/0x1f0 [ 290.928841][ T30] ? __might_fault+0xe3/0x190 [ 290.933619][ T30] ? do_sys_poll+0x2d0/0xe00 [ 290.938227][ T30] do_sys_poll+0x2d0/0xe00 [ 290.942703][ T30] ? kasan_save_stack+0x42/0x60 [ 290.947598][ T30] ? kasan_save_stack+0x33/0x60 [ 290.952546][ T30] ? kasan_save_track+0x14/0x30 [ 290.957418][ T30] ? kasan_save_free_info+0x3b/0x60 [ 290.962730][ T30] ? __kasan_slab_free+0x51/0x70 [ 290.967708][ T30] ? do_seccomp+0x7b6/0x2640 [ 290.972379][ T30] ? prctl_set_seccomp+0x4b/0x70 [ 290.977354][ T30] ? __pfx_do_sys_poll+0x10/0x10 [ 290.982562][ T30] ? __lock_acquire+0x15a9/0x3c40 [ 290.987646][ T30] ? _raw_spin_unlock_irq+0x23/0x50 [ 290.993013][ T30] ? lockdep_hardirqs_on+0x7c/0x110 [ 290.998264][ T30] ? _raw_spin_unlock_irq+0x2e/0x50 [ 291.003613][ T30] ? set_user_sigmask+0x217/0x2a0 [ 291.008835][ T30] ? __pfx_set_user_sigmask+0x10/0x10 [ 291.014322][ T30] ? __pfx___seccomp_filter+0x10/0x10 [ 291.019761][ T30] __x64_sys_ppoll+0x25a/0x2d0 [ 291.024530][ T30] ? __pfx___x64_sys_ppoll+0x10/0x10 [ 291.029895][ T30] ? __secure_computing+0x273/0x3f0 [ 291.035156][ T30] do_syscall_64+0xcd/0x250 [ 291.039834][ T30] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 291.045747][ T30] RIP: 0033:0x7f73a7655ad5 [ 291.050246][ T30] RSP: 002b:00007ffe72d11e20 EFLAGS: 00000246 ORIG_RAX= : 000000000000010f [ 291.058866][ T30] RAX: ffffffffffffffda RBX: 0000560ad729aee0 RCX: 000= 07f73a7655ad5 [ 291.066939][ T30] RDX: 0000000000000000 RSI: 0000000000000004 RDI: 000= 0560ad72a3fe0 [ 291.074970][ T30] RBP: 00007ffe72d12170 R08: 0000000000000008 R09: 000= 0560aac1543d0 [ 291.083120][ T30] R10: 00007ffe72d12170 R11: 0000000000000246 R12: 000= 0000000000000 [ 291.091194][ T30] R13: 0000560aac154610 R14: 0000000000000003 R15: 000= 0000000000000 [ 291.099293][ T30] [ 291.102341][ T30] Future hung task reports are suppressed, see sysctl = kernel.hung_task_warnings [ 291.111627][ T30] INFO: task dhcpcd:5460 blocked for more than 147 sec= onds. [ 291.118925][ T30] Not tainted 6.14.0-rc3-syzkaller-g0ad2507d5d93= -dirty #0 [ 291.126598][ T30] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" d= isables this message. [ 291.135463][ T30] task:dhcpcd state:D stack:26832 pid:5460 t= gid:5460 ppid:5455 task_flags:0x400140 flags:0x00000002 [ 291.147505][ T30] Call Trace: [ 291.150846][ T30] [ 291.153773][ T30] __schedule+0xf43/0x5890 [ 291.158186][ T30] ? __pfx___lock_acquire+0x10/0x10 [ 291.163449][ T30] ? __pfx___lock_acquire+0x10/0x10 [ 291.168881][ T30] ? __pfx___schedule+0x10/0x10 [ 291.173882][ T30] ? schedule+0x298/0x350 [ 291.178244][ T30] ? __pfx_lock_release+0x10/0x10 [ 291.183389][ T30] ? __mutex_trylock_common+0x78/0x250 [ 291.188915][ T30] ? lock_acquire+0x2f/0xb0 [ 291.193503][ T30] ? schedule+0x1fd/0x350 [ 291.197860][ T30] schedule+0xe7/0x350 [ 291.202004][ T30] schedule_preempt_disabled+0x13/0x30 [ 291.207504][ T30] __mutex_lock+0x6bd/0xb10 [ 291.212094][ T30] ? do_sys_poll+0x2d0/0xe00 [ 291.216708][ T30] ? __pfx___mutex_lock+0x10/0x10 [ 291.221799][ T30] ? __pfx_lock_release+0x10/0x10 [ 291.226843][ T30] ? trace_lock_acquire+0x14e/0x1f0 [ 291.232148][ T30] ? __might_fault+0xe3/0x190 [ 291.236868][ T30] ? do_sys_poll+0x2d0/0xe00 [ 291.241634][ T30] do_sys_poll+0x2d0/0xe00 [ 291.246100][ T30] ? kasan_save_stack+0x42/0x60 [ 291.251100][ T30] ? kasan_save_stack+0x33/0x60 [ 291.255986][ T30] ? kasan_save_track+0x14/0x30 [ 291.260988][ T30] ? kasan_save_free_info+0x3b/0x60 [ 291.266242][ T30] ? __kasan_slab_free+0x51/0x70 [ 291.271273][ T30] ? do_seccomp+0x7b6/0x2640 [ 291.275883][ T30] ? prctl_set_seccomp+0x4b/0x70 [ 291.280932][ T30] ? __pfx_do_sys_poll+0x10/0x10 [ 291.285992][ T30] ? __lock_acquire+0x15a9/0x3c40 [ 291.291144][ T30] ? _raw_spin_unlock_irq+0x23/0x50 [ 291.296382][ T30] ? lockdep_hardirqs_on+0x7c/0x110 [ 291.301644][ T30] ? _raw_spin_unlock_irq+0x2e/0x50 [ 291.306873][ T30] ? set_user_sigmask+0x217/0x2a0 [ 291.312079][ T30] ? __pfx_set_user_sigmask+0x10/0x10 [ 291.317479][ T30] ? __pfx___seccomp_filter+0x10/0x10 [ 291.322906][ T30] __x64_sys_ppoll+0x25a/0x2d0 [ 291.327720][ T30] ? __pfx___x64_sys_ppoll+0x10/0x10 [ 291.333098][ T30] ? __secure_computing+0x273/0x3f0 [ 291.338322][ T30] do_syscall_64+0xcd/0x250 [ 291.342906][ T30] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 291.348835][ T30] RIP: 0033:0x7f73a7655ad5 [ 291.353323][ T30] RSP: 002b:00007ffe72d11e20 EFLAGS: 00000246 ORIG_RAX= : 000000000000010f [ 291.361809][ T30] RAX: ffffffffffffffda RBX: 0000560ad729aee0 RCX: 000= 07f73a7655ad5 [ 291.369858][ T30] RDX: 0000000000000000 RSI: 0000000000000005 RDI: 000= 0560ad72a3fe0 [ 291.377851][ T30] RBP: 00007ffe72d12170 R08: 0000000000000008 R09: 000= 0560aac1543d0 [ 291.385916][ T30] R10: 00007ffe72d12170 R11: 0000000000000246 R12: 000= 0000000000000 [ 291.393989][ T30] R13: 0000560aac154610 R14: 0000000000000003 R15: 000= 0000000000000 [ 291.402027][ T30] [ 291.405086][ T30] Future hung task reports are suppressed, see sysctl = kernel.hung_task_warnings [ 291.414264][ T30]=20 [ 291.414264][ T30] Showing all locks held in the system: [ 291.422038][ T30] 1 lock held by khungtaskd/30: [ 291.426879][ T30] #0: ffffffff8e1bc140 (rcu_read_lock){....}-{1:3}, a= t: debug_show_all_locks+0x7f/0x390 [ 291.436858][ T30] 1 lock held by udevd/5211: [ 291.441501][ T30] #0: ffffffff8e3c1a48 (syspoll_lock){+.+.}-{4:4}, at= : do_sys_poll+0x2d0/0xe00 [ 291.450767][ T30] 1 lock held by udevd/5212: [ 291.455375][ T30] #0: ffffffff8e3c1a48 (syspoll_lock){+.+.}-{4:4}, at= : do_sys_poll+0x2d0/0xe00 [ 291.464517][ T30] 1 lock held by udevd/5213: [ 291.469156][ T30] #0: ffffffff8e3c1a48 (syspoll_lock){+.+.}-{4:4}, at= : do_sys_poll+0x2d0/0xe00 [ 291.478241][ T30] 1 lock held by udevd/5214: [ 291.482870][ T30] #0: ffffffff8e3c1a48 (syspoll_lock){+.+.}-{4:4}, at= : do_sys_poll+0x2d0/0xe00 [ 291.492033][ T30] 1 lock held by udevd/5215: [ 291.496615][ T30] #0: ffffffff8e3c1a48 (syspoll_lock){+.+.}-{4:4}, at= : do_sys_poll+0x2d0/0xe00 [ 291.505760][ T30] 1 lock held by udevd/5216: [ 291.510433][ T30] #0: ffffffff8e3c1a48 (syspoll_lock){+.+.}-{4:4}, at= : do_sys_poll+0x2d0/0xe00 [ 291.519700][ T30] 1 lock held by udevd/5217: [ 291.524339][ T30] #0: ffffffff8e3c1a48 (syspoll_lock){+.+.}-{4:4}, at= : do_sys_poll+0x2d0/0xe00 [ 291.533509][ T30] 1 lock held by udevd/5218: [ 291.538130][ T30] #0: ffffffff8e3c1a48 (syspoll_lock){+.+.}-{4:4}, at= : do_sys_poll+0x2d0/0xe00 [ 291.547238][ T30] 1 lock held by udevd/5219: [ 291.551886][ T30] #0: ffffffff8e3c1a48 (syspoll_lock){+.+.}-{4:4}, at= : do_sys_poll+0x2d0/0xe00 [ 291.561003][ T30] 1 lock held by udevd/5220: [ 291.565599][ T30] #0: ffffffff8e3c1a48 (syspoll_lock){+.+.}-{4:4}, at= : do_sys_poll+0x2d0/0xe00 [ 291.574739][ T30] 1 lock held by udevd/5221: [ 291.579362][ T30] #0: ffffffff8e3c1a48 (syspoll_lock){+.+.}-{4:4}, at= : do_sys_poll+0x2d0/0xe00 [ 291.588420][ T30] 1 lock held by udevd/5222: [ 291.593070][ T30] #0: ffffffff8e3c1a48 (syspoll_lock){+.+.}-{4:4}, at= : do_sys_poll+0x2d0/0xe00 [ 291.602195][ T30] 1 lock held by dhcpcd/5439: [ 291.606873][ T30] #0: ffffffff8e3c1a48 (syspoll_lock){+.+.}-{4:4}, at= : do_sys_poll+0x2d0/0xe00 [ 291.616059][ T30] 1 lock held by dhcpcd/5455: [ 291.620790][ T30] #0: ffffffff8e3c1a48 (syspoll_lock){+.+.}-{4:4}, at= : do_sys_poll+0x2d0/0xe00 [ 291.629941][ T30] 1 lock held by dhcpcd/5456: [ 291.634625][ T30] #0: ffffffff8e3c1a48 (syspoll_lock){+.+.}-{4:4}, at= : do_sys_poll+0x2d0/0xe00 [ 291.643772][ T30] 1 lock held by dhcpcd/5459: [ 291.648458][ T30] #0: ffffffff8e3c1a48 (syspoll_lock){+.+.}-{4:4}, at= : do_sys_poll+0x2d0/0xe00 [ 291.657626][ T30] 1 lock held by dhcpcd/5460: [ 291.662340][ T30] #0: ffffffff8e3c1a48 (syspoll_lock){+.+.}-{4:4}, at= : do_sys_poll+0x2d0/0xe00 [ 291.671689][ T30]=20 [ 291.674036][ T30] =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D= =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D= =3D=3D=3D [ 291.674036][ T30]=20 [ 291.682563][ T30] NMI backtrace for cpu 1 [ 291.682578][ T30] CPU: 1 UID: 0 PID: 30 Comm: khungtaskd Not tainted 6= .14.0-rc3-syzkaller-g0ad2507d5d93-dirty #0 [ 291.682600][ T30] Hardware name: Google Google Compute Engine/Google C= ompute Engine, BIOS Google 12/27/2024 [ 291.682611][ T30] Call Trace: [ 291.682617][ T30] [ 291.682625][ T30] dump_stack_lvl+0x116/0x1f0 [ 291.682658][ T30] nmi_cpu_backtrace+0x27b/0x390 [ 291.682690][ T30] ? __pfx_nmi_raise_cpu_backtrace+0x10/0x10 [ 291.682715][ T30] nmi_trigger_cpumask_backtrace+0x29c/0x300 [ 291.682737][ T30] watchdog+0xf62/0x12b0 [ 291.682768][ T30] ? __pfx_watchdog+0x10/0x10 [ 291.682793][ T30] ? lockdep_hardirqs_on+0x7c/0x110 [ 291.682821][ T30] ? __kthread_parkme+0x148/0x220 [ 291.682854][ T30] ? __pfx_watchdog+0x10/0x10 [ 291.682882][ T30] kthread+0x3af/0x750 [ 291.682906][ T30] ? __pfx_kthread+0x10/0x10 [ 291.682933][ T30] ? __pfx_kthread+0x10/0x10 [ 291.682957][ T30] ret_from_fork+0x45/0x80 [ 291.682984][ T30] ? __pfx_kthread+0x10/0x10 [ 291.683004][ T30] ret_from_fork_asm+0x1a/0x30 [ 291.683036][ T30] [ 291.683044][ T30] Sending NMI from CPU 1 to CPUs 0: [ 291.795725][ C0] NMI backtrace for cpu 0 skipped: idling at acpi_safe= _halt+0x1a/0x20 [ 291.796705][ T30] Kernel panic - not syncing: hung_task: blocked tasks [ 291.796720][ T30] CPU: 1 UID: 0 PID: 30 Comm: khungtaskd Not tainted 6= .14.0-rc3-syzkaller-g0ad2507d5d93-dirty #0 [ 291.796745][ T30] Hardware name: Google Google Compute Engine/Google C= ompute Engine, BIOS Google 12/27/2024 [ 291.796759][ T30] Call Trace: [ 291.796767][ T30] [ 291.796776][ T30] dump_stack_lvl+0x3d/0x1f0 [ 291.796811][ T30] panic+0x71d/0x800 [ 291.796833][ T30] ? __pfx_panic+0x10/0x10 [ 291.796853][ T30] ? __pfx__printk+0x10/0x10 [ 291.796878][ T30] ? ret_from_fork_asm+0x1a/0x30 [ 291.796908][ T30] ? irq_work_claim+0x76/0xa0 [ 291.796936][ T30] ? __pfx_nmi_raise_cpu_backtrace+0x10/0x10 [ 291.796963][ T30] ? irq_work_queue+0x2a/0x80 [ 291.796990][ T30] ? watchdog+0xdcc/0x12b0 [ 291.797018][ T30] ? watchdog+0xdbf/0x12b0 [ 291.797049][ T30] watchdog+0xddd/0x12b0 [ 291.797082][ T30] ? __pfx_watchdog+0x10/0x10 [ 291.797108][ T30] ? lockdep_hardirqs_on+0x7c/0x110 [ 291.797136][ T30] ? __kthread_parkme+0x148/0x220 [ 291.797169][ T30] ? __pfx_watchdog+0x10/0x10 [ 291.797197][ T30] kthread+0x3af/0x750 [ 291.797222][ T30] ? __pfx_kthread+0x10/0x10 [ 291.797250][ T30] ? __pfx_kthread+0x10/0x10 [ 291.797273][ T30] ret_from_fork+0x45/0x80 [ 291.797311][ T30] ? __pfx_kthread+0x10/0x10 [ 291.797335][ T30] ret_from_fork_asm+0x1a/0x30 [ 291.797371][ T30] [ 291.939091][ T30] Kernel Offset: disabled [ 291.943412][ T30] Rebooting in 86400 seconds.. syzkaller build log: go env (err=3D) GO111MODULE=3D'auto' GOARCH=3D'amd64' GOBIN=3D'' GOCACHE=3D'/syzkaller/.cache/go-build' GOENV=3D'/syzkaller/.config/go/env' GOEXE=3D'' GOEXPERIMENT=3D'' GOFLAGS=3D'' GOHOSTARCH=3D'amd64' GOHOSTOS=3D'linux' GOINSECURE=3D'' GOMODCACHE=3D'/syzkaller/jobs/linux/gopath/pkg/mod' GONOPROXY=3D'' GONOSUMDB=3D'' GOOS=3D'linux' GOPATH=3D'/syzkaller/jobs/linux/gopath' GOPRIVATE=3D'' GOPROXY=3D'https://proxy.golang.org,direct' GOROOT=3D'/usr/local/go' GOSUMDB=3D'sum.golang.org' GOTMPDIR=3D'' GOTOOLCHAIN=3D'auto' GOTOOLDIR=3D'/usr/local/go/pkg/tool/linux_amd64' GOVCS=3D'' GOVERSION=3D'go1.22.7' GCCGO=3D'gccgo' GOAMD64=3D'v1' AR=3D'ar' CC=3D'gcc' CXX=3D'g++' CGO_ENABLED=3D'1' GOMOD=3D'/syzkaller/jobs/linux/gopath/src/github.com/google/syzkaller/go.mo= d' GOWORK=3D'' CGO_CFLAGS=3D'-O2 -g' CGO_CPPFLAGS=3D'' CGO_CXXFLAGS=3D'-O2 -g' CGO_FFLAGS=3D'-O2 -g' CGO_LDFLAGS=3D'-O2 -g' PKG_CONFIG=3D'pkg-config' GOGCCFLAGS=3D'-fPIC -m64 -pthread -Wl,--no-gc-sections -fmessage-length=3D0= -ffile-prefix-map=3D/tmp/go-build2848228343=3D/tmp/go-build -gno-record-gc= c-switches' git status (err=3D) HEAD detached at f2cb035c8f nothing to commit, working tree clean tput: No value for $TERM and no -T specified tput: No value for $TERM and no -T specified Makefile:31: run command via tools/syz-env for best compatibility, see: Makefile:32: https://github.com/google/syzkaller/blob/master/docs/contribut= ing.md#using-syz-env go list -f '{{.Stale}}' ./sys/syz-sysgen | grep -q false || go install ./sy= s/syz-sysgen make .descriptions tput: No value for $TERM and no -T specified tput: No value for $TERM and no -T specified Makefile:31: run command via tools/syz-env for best compatibility, see: Makefile:32: https://github.com/google/syzkaller/blob/master/docs/contribut= ing.md#using-syz-env bin/syz-sysgen go fmt ./sys/... >/dev/null touch .descriptions GOOS=3Dlinux GOARCH=3Damd64 go build "-ldflags=3D-s -w -X github.com/google= /syzkaller/prog.GitRevision=3Df2cb035c8f931efff4a020b164e657f16f51934b -X '= github.com/google/syzkaller/prog.gitRevisionDate=3D20250117-180932'" "-tags= =3Dsyz_target syz_os_linux syz_arch_amd64 " -o ./bin/linux_amd64/syz-execpr= og github.com/google/syzkaller/tools/syz-execprog mkdir -p ./bin/linux_amd64 g++ -o ./bin/linux_amd64/syz-executor executor/executor.cc \ -m64 -O2 -pthread -Wall -Werror -Wparentheses -Wunused-const-variable -Wfr= ame-larger-than=3D16384 -Wno-stringop-overflow -Wno-array-bounds -Wno-forma= t-overflow -Wno-unused-but-set-variable -Wno-unused-command-line-argument -= static-pie -std=3Dc++17 -I. -Iexecutor/_include -DGOOS_linux=3D1 -DGOARCH= _amd64=3D1 \ -DHOSTGOOS_linux=3D1 -DGIT_REVISION=3D\"f2cb035c8f931efff4a020b164e657f16f= 51934b\" /usr/bin/ld: /tmp/ccI4knEC.o: in function `Connection::Connect(char const*,= char const*)': executor.cc:(.text._ZN10Connection7ConnectEPKcS1_[_ZN10Connection7ConnectEP= KcS1_]+0x104): warning: Using 'gethostbyname' in statically linked applicat= ions requires at runtime the shared libraries from the glibc version used f= or linking Error text is too large and was truncated, full error text is at: https://syzkaller.appspot.com/x/error.txt?x=3D173adbf8580000 Tested on: commit: 0ad2507d Linux 6.14-rc3 git tree: upstream kernel config: https://syzkaller.appspot.com/x/.config?x=3D179507154deeb15= f dashboard link: https://syzkaller.appspot.com/bug?extid=3D4e21d5f67b886a692= b55 compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Deb= ian) 2.40 patch: https://syzkaller.appspot.com/x/patch.diff?x=3D11f268985800= 00