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 BC4015258 for ; Sat, 4 May 2024 11:14:27 +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=1714821269; cv=none; b=IXONPHBatqRnPTjwkxDdFEr4hfpjzS34t6/IQ4RYHtT2wp2lsXfkwVJlNYRILGAvZYKUnMeOUYwQlF461z5f/q23kAok4ekgt8KKU1MG1Be7Vs+PhFMoDsjwMrJW6swSKkQ+OeeWY1grEtmowJQDWzxUJD07mld+06ASZKFI4fk= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1714821269; c=relaxed/simple; bh=Vb/N5a7l7CXPZndnD97qbGczwbX/OLAMGGfIpReIBWY=; h=MIME-Version:Date:Message-ID:Subject:From:To:Content-Type; b=cmD01KixBRmp9AX/AbcyaSC/kJBidaxDyV6dWci3UprzL7h0LEE6w3cM66+zTVnrkD20I3/5wz1M43xi0WnNG1+rXRqxP4H1bu+lMrsIpIu5GB0v+a0F93M6tyduM6PcLDnIhba+qVEqs/Skq8HLmkauvnE7yMX7ArSJu0DyYYI= 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-7da41da873bso72317439f.3 for ; Sat, 04 May 2024 04:14:27 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1714821267; x=1715426067; h=to:from:subject:message-id:date:mime-version:x-gm-message-state :from:to:cc:subject:date:message-id:reply-to; bh=kaNh1uycWMkqmuRgdX88elvezOaZHrN9ZGKQhKZ1N1Y=; b=FvTjl1ZjeJ9ZAe8Xvwv3eK3/NAsrpt1b+RWhj+9Ra3tlVild72NEs2x+391AH77BRb l4LkxaMLIJ8PsHQ+nf81Jl5S7TmzByt4oXBR18hxFuAPrCPVd5NLyrfjpKMdk0T7DZfA hGRXcHmfKHJ7aRZcXvcAXr4XWE8K4a3vDHtgKH29busPsJuKcaqIOagsWnzz2MtnrGE3 +UmTAVq5JPphePp8/K7BXl76pgBnww7RRJYdjIdhoFLvgJS+3nL+mp1ZobusRE6J513A BEMxxTLnMRxdkRLGUHYUcpbMVPJLaGXiBQGNrFIjN+Ur7L+crlkojkblSGZPKMJG6bBk VkSQ== X-Forwarded-Encrypted: i=1; AJvYcCXr0yT7H69Wcd5eA4FrgHdwD7usNzoYBz8vQGG4HNp7b8MuroEAlirgJeJlBA1XVQxbKRXX7UxDwIPf/F8X9/yS1ZC+ZjDvacKqEu8n X-Gm-Message-State: AOJu0Yy52eRSquQD4a0JaSPgY3+B5xAHZVjmiGyNcnLA6sUTVJkEQAO1 8BtHNC6in3gaqLxNwrhh4Yae2jC8L8VMdHM4vYx3q9pvfD+CjajppJoC+LzoG3fJ+cxS6D4/VVX fOZuemIov446tppIS2cYI4wEM8d/K/VwpAEjRRKf2vcIZrBETGUCkXpg= X-Google-Smtp-Source: AGHT+IE/aW5y1tX546x13PbSqYbkaT2/IAXJZdhzr37z9sCAExpdwBAzRrM64M30UsGLT31kMn4l+1U1IyHXOyXWQdA1vMSaWWxh Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Received: by 2002:a05:6e02:1d84:b0:36b:f8:e87e with SMTP id h4-20020a056e021d8400b0036b00f8e87emr385263ila.1.1714821266879; Sat, 04 May 2024 04:14:26 -0700 (PDT) Date: Sat, 04 May 2024 04:14:26 -0700 X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <000000000000774a9006179ef0a2@google.com> Subject: [syzbot] [kernel?] WARNING in pwq_release_workfn From: syzbot To: bp@alien8.de, dave.hansen@linux.intel.com, hpa@zytor.com, linux-kernel@vger.kernel.org, mingo@redhat.com, netdev@vger.kernel.org, syzkaller-bugs@googlegroups.com, tglx@linutronix.de, x86@kernel.org Content-Type: text/plain; charset="UTF-8" Hello, syzbot found the following issue on: HEAD commit: 496bc5861c73 selftests: netfilter: nft_concat_range.sh: re.. git tree: net-next console output: https://syzkaller.appspot.com/x/log.txt?x=14aa8897180000 kernel config: https://syzkaller.appspot.com/x/.config?x=15dda165e1d20cf1 dashboard link: https://syzkaller.appspot.com/bug?extid=735c2553ea82b2b34e82 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/507454068ec8/disk-496bc586.raw.xz vmlinux: https://storage.googleapis.com/syzbot-assets/083381b27086/vmlinux-496bc586.xz kernel image: https://storage.googleapis.com/syzbot-assets/4a1aaddd6e1a/bzImage-496bc586.xz IMPORTANT: if you fix the issue, please add the following tag to the commit: Reported-by: syzbot+735c2553ea82b2b34e82@syzkaller.appspotmail.com ------------[ cut here ]------------ WARNING: CPU: 0 PID: 3 at kernel/locking/lockdep.c:6465 lockdep_unregister_key+0x4cd/0x540 kernel/locking/lockdep.c:6465 Modules linked in: CPU: 0 PID: 3 Comm: pool_workqueue_ Not tainted 6.9.0-rc5-syzkaller-01461-g496bc5861c73 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024 RIP: 0010:lockdep_unregister_key+0x4cd/0x540 kernel/locking/lockdep.c:6465 Code: 24 41 02 75 14 41 f7 c6 00 02 00 00 74 01 fb e8 29 b4 09 00 e9 83 fc ff ff e8 6f 25 0f 0a 41 f7 c6 00 02 00 00 75 e7 eb e6 90 <0f> 0b 90 eb 85 48 c7 c1 c0 fd a8 8f 80 e1 07 80 c1 03 38 c1 0f 8c RSP: 0018:ffffc90000087cc0 EFLAGS: 00010002 RAX: 0000000000000000 RBX: 0000000000000000 RCX: dffffc0000000000 RDX: 0000000000000001 RSI: 0000000000000004 RDI: ffffc90000087c20 RBP: ffffc90000087da0 R08: 0000000000000003 R09: fffff52000010f84 R10: dffffc0000000000 R11: fffff52000010f84 R12: 00000000000003ee R13: 1ffff92000010f9c R14: 0000000000000207 R15: ffffc90000087d00 FS: 0000000000000000(0000) GS:ffff8880b9400000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000000000000 CR3: 000000006272c000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: wq_unregister_lockdep kernel/workqueue.c:4655 [inline] pwq_release_workfn+0x6e0/0x840 kernel/workqueue.c:4958 kthread_worker_fn+0x500/0xaf0 kernel/kthread.c:841 kthread+0x2f0/0x390 kernel/kthread.c:388 ret_from_fork+0x4b/0x80 arch/x86/kernel/process.c:147 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244 --- 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