From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-il1-f205.google.com (mail-il1-f205.google.com [209.85.166.205]) (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 8E068149E01 for ; Thu, 13 Jun 2024 18:48:20 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.166.205 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1718304502; cv=none; b=nuYhwKxzaxWHzJTYBv72GNV91+FrqyvmXs9XLUvoOzAA8DE6ymWSB0bCRgcb7ZVpYHTb4LAVaIIYJt/IvbMJtRZXhD4G161nLv463AcmxOL9zPLKIeeOEKefA7BO9Ccv2lYpTelXl419McNb3HitRPofFuQsLg30wvzKbxaT5FA= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1718304502; c=relaxed/simple; bh=wx3k+i3agiHH4+ORkqU7DyofWGzMTOiicsO35nuhukc=; h=MIME-Version:Date:Message-ID:Subject:From:To:Content-Type; b=LkxCn8jqQO7ZS6EGt+o9Dt6hWAOlYKFOs8rv3f4QIf+HZRIjgypF90HcZH/fqAiK7IScr6Wu2IseVd4YiddoDR8Vo90NkPlYG310RsLa2CzJ3gojP3aZZ/QvOqjyNBMknOcEFgOeAozoZf0AFLQkbtLO567pt1KpCtXOig7/6Wc= 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=209.85.166.205 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-f205.google.com with SMTP id e9e14a558f8ab-375a26a094dso12828425ab.0 for ; Thu, 13 Jun 2024 11:48:20 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1718304500; x=1718909300; h=to:from:subject:message-id:date:mime-version:x-gm-message-state :from:to:cc:subject:date:message-id:reply-to; bh=DvpztZBo2tX9vOs/pwnVvpMkIdjcMdrXY9Ek/ytdwpY=; b=rNvZM/ejjiPkOWpKoHhx3xftKEDyNHOBOQDtbqoipx3+VD41gUo6AS+laseGz3GtzS b/LOQFdXR3x3R590MXVaF0UJ5d1MoHWbweM1I8ds8mH+3Aa0o1zehuO3tV7V1YxnHAc+ kpb+2CoXYqKfwTspgSHmwTx/zjSRIL7mZBn+mtgPcCnO0ABqU2OyWm3OuSyll2eQFtsy rOmWSmCtu+Td8xfkVQUFG2UzA4n0nDv01Cu1mITgMP7y7ge3g4LzSjxzuCJUAhVdS6jK CmOrBLCxVr/XGGwkiD1gnHu7ySdfm2Gfo03KolEiWzUF1PMSp0jqyaafQr75vb3vHamq ghLg== X-Forwarded-Encrypted: i=1; AJvYcCWHRr8hcZen3DtcHHCmdHO50+Uf7lvQ43ieH2rC2W8D7XMbRU1bZ8PxP6lW1fweEHIqyOim+gfi6aTVAaHIZcMa2GBn/JrBvvVTmm0S X-Gm-Message-State: AOJu0Yy82UP21cqrAICWkEw5XM4g4Dl9lQpdmkpDSYCPucSuaEmYm1LD WCbGebDn0p1Q4taTBp2Cca3fYKfR/LpYCmHPEI54EqKcAIAknOmVIZMRm2shKlebBa/9Y5QNZBt X3tacJnmt2oT0f50uirG/cTvwDb+jAJgbZtoXogWw/F2tMzRY3v5IVQQ= X-Google-Smtp-Source: AGHT+IFbHtnRQArLIorwEZreB5TSpsVZE9Cz+SF/xb1dkqf8JeuT4e67I4k7yavL8KXqI9nRmCNQ2XoSLEbwcqk6XIjp8Z3IRhaL Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Received: by 2002:a05:6e02:164e:b0:375:a40f:97d1 with SMTP id e9e14a558f8ab-375e0ec20dcmr310605ab.4.1718304499749; Thu, 13 Jun 2024 11:48:19 -0700 (PDT) Date: Thu, 13 Jun 2024 11:48:19 -0700 X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <00000000000052e5c5061ac9f158@google.com> Subject: [syzbot] [net?] INFO: task hung in devinet_ioctl (5) From: syzbot To: davem@davemloft.net, dsahern@kernel.org, edumazet@google.com, kuba@kernel.org, linux-kernel@vger.kernel.org, netdev@vger.kernel.org, pabeni@redhat.com, syzkaller-bugs@googlegroups.com Content-Type: text/plain; charset="UTF-8" Hello, syzbot found the following issue on: HEAD commit: 83a7eefedc9b Linux 6.10-rc3 git tree: upstream console output: https://syzkaller.appspot.com/x/log.txt?x=17e752e2980000 kernel config: https://syzkaller.appspot.com/x/.config?x=c79815c08cc14227 dashboard link: https://syzkaller.appspot.com/bug?extid=78761e13e81f4bfbb554 compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 Unfortunately, I don't have any reproducer for this issue yet. Downloadable assets: disk image: https://storage.googleapis.com/syzbot-assets/3e8762812d56/disk-83a7eefe.raw.xz vmlinux: https://storage.googleapis.com/syzbot-assets/29ef4962890d/vmlinux-83a7eefe.xz kernel image: https://storage.googleapis.com/syzbot-assets/1a5e4d91d135/bzImage-83a7eefe.xz IMPORTANT: if you fix the issue, please add the following tag to the commit: Reported-by: syzbot+78761e13e81f4bfbb554@syzkaller.appspotmail.com INFO: task dhcpcd:4751 blocked for more than 143 seconds. Not tainted 6.10.0-rc3-syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:dhcpcd state:D stack:20384 pid:4751 tgid:4751 ppid:4750 flags:0x00004002 Call Trace: context_switch kernel/sched/core.c:5408 [inline] __schedule+0x1796/0x49d0 kernel/sched/core.c:6745 __schedule_loop kernel/sched/core.c:6822 [inline] schedule+0x14b/0x320 kernel/sched/core.c:6837 schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:6894 __mutex_lock_common kernel/locking/mutex.c:684 [inline] __mutex_lock+0x6a4/0xd70 kernel/locking/mutex.c:752 devinet_ioctl+0x2ce/0x1bc0 net/ipv4/devinet.c:1101 inet_ioctl+0x3d7/0x4f0 net/ipv4/af_inet.c:1003 sock_do_ioctl+0x158/0x460 net/socket.c:1222 sock_ioctl+0x629/0x8e0 net/socket.c:1341 vfs_ioctl fs/ioctl.c:51 [inline] __do_sys_ioctl fs/ioctl.c:907 [inline] __se_sys_ioctl+0xfc/0x170 fs/ioctl.c:893 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: 0033:0x7f583bfd7d49 RSP: 002b:00007ffe78ed73c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 00007f583bf096c0 RCX: 00007f583bfd7d49 RDX: 00007ffe78ee75b8 RSI: 0000000000008914 RDI: 0000000000000018 RBP: 00007ffe78ef7778 R08: 00007ffe78ee7578 R09: 00007ffe78ee7528 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffe78ee75b8 R14: 0000000000000028 R15: 0000000000008914 INFO: task kworker/0:5:5155 blocked for more than 143 seconds. Not tainted 6.10.0-rc3-syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:5 state:D stack:22384 pid:5155 tgid:5155 ppid:2 flags:0x00004000 Workqueue: events linkwatch_event Call Trace: context_switch kernel/sched/core.c:5408 [inline] __schedule+0x1796/0x49d0 kernel/sched/core.c:6745 __schedule_loop kernel/sched/core.c:6822 [inline] schedule+0x14b/0x320 kernel/sched/core.c:6837 schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:6894 __mutex_lock_common kernel/locking/mutex.c:684 [inline] __mutex_lock+0x6a4/0xd70 kernel/locking/mutex.c:752 linkwatch_event+0xe/0x60 net/core/link_watch.c:276 process_one_work kernel/workqueue.c:3231 [inline] process_scheduled_works+0xa2c/0x1830 kernel/workqueue.c:3312 worker_thread+0x86d/0xd70 kernel/workqueue.c:3393 kthread+0x2f0/0x390 kernel/kthread.c:389 ret_from_fork+0x4b/0x80 arch/x86/kernel/process.c:147 --- This report is generated by a bot. It may contain errors. See https://goo.gl/tpsmEJ for more information about syzbot. syzbot engineers can be reached at syzkaller@googlegroups.com. syzbot will keep track of this issue. See: https://goo.gl/tpsmEJ#status for how to communicate with syzbot. If the report is already addressed, let syzbot know by replying with: #syz fix: exact-commit-title If you want to overwrite report's subsystems, reply with: #syz set subsystems: new-subsystem (See the list of subsystem names on the web dashboard) If the report is a duplicate of another one, reply with: #syz dup: exact-subject-of-another-report If you want to undo deduplication, reply with: #syz undup