From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-il1-f200.google.com (mail-il1-f200.google.com [209.85.166.200]) (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 CFC801514F0 for ; Wed, 24 Jul 2024 09:45:31 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.166.200 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1721814334; cv=none; b=um5d2BdvDidxHNfb0/T7aw/mb8X9u2OuyCl5LEDTCDe2YdcMN/HsfQXpAc9izTR9i3Z9hmV8WJtoEhJ2Vg/rrkSzIL/KxmYye6evsjBPW1OBL7iY/CHF/rRMKcVw0LrmIRa+5cyW+kgOQYQzh6kQOaLfSmgNgMGzjYvcazuRUU4= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1721814334; c=relaxed/simple; bh=KJ4EV7Ij4/KhnXn1Vd3te6lugb/6olUABTrG+aSBD2o=; h=MIME-Version:Date:Message-ID:Subject:From:To:Content-Type; b=I9GwLjdAyzpS5AHLSam1WaZjwhbtzUHOTdCiQcYwnXoDNbBwkaoiMJ81Nwk4YZ4QYgiAssMcVnWMa0OxlT0fYmm+w5of+K1oTOnqJgSdq3HPUhY9patgJa4KS4eMouVCeylVD/slwAy8sIXHnOfhqUvv+XQ7J1xrSiW3qlEXtFc= 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=209.85.166.200 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-f200.google.com with SMTP id e9e14a558f8ab-39827d07ca7so89527265ab.3 for ; Wed, 24 Jul 2024 02:45:31 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1721814331; x=1722419131; h=to:from:subject:message-id:date:mime-version:x-gm-message-state :from:to:cc:subject:date:message-id:reply-to; bh=+H1QMb10fXl/AS1Cemdq0KR84AfifuBRStWO6Ij5oDA=; b=a9TTE3obYgqPVXE6Te/yL4PoexrOmjehfZV+2YFGFl0btAzECyiNRETf+9pHZ5WoqQ 72EqmbLyx14Ss+xfgzJ1joJHCyxdCO7H/CIZ6lIyiAImvvJqpE6v38sJeQ93jwZqyiA1 pkHpU3Jzc+mmf6OfOq0N14UZepRbKTMhM0DozSu2T1V9tOYRL4W+TDtxCKQ+pm6iqxOo r6BUHxLp3osTBNoogozKX/LqFAU9ArDrNYnIOq6Da1vXFSOCPh2caZFG4/ozLQ0JCo65 4fBzmpnpmbbuQnWWWvHLktQKn2Jnb93GOdhN7wd0TyYp2B5AwPa3omvoa/H83X7FJv6Z /XyQ== X-Forwarded-Encrypted: i=1; AJvYcCVk49PlD07jGGv1bBke8KOKrBtyCcrOSOGjpF5s653as7eOBhiIpsQ8qcegjjjN2uuqayAqaGEreG5iCSeSBeZlonsxCX6EbMGKiAO3 X-Gm-Message-State: AOJu0YzxGTet7/4HoNb3eaTYM3FniDnbRsmuMdjhAIkZB6IFfsuJCg69 qDhZmGKaPa2X7xHGu6X4LwpItZE1pYPB7CIsxQlOCqKBmB+EPE2akM2vlCvc17sAkZPyJljMkD4 UAHbIIII76DSBOex17c7kH8Edr1jkqM6f2TOptOgPumguXCqW5RVvG9w= X-Google-Smtp-Source: AGHT+IFD1uOfY7dHKPxj/jTyil5SRoJ/EyB8EbVqCx/NoonVveSec2Q54tDDJkKLggclpJNJOQqVTRng0BXpK0xpASgp5Ju09hMr Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Received: by 2002:a92:c26a:0:b0:397:7dd7:bea5 with SMTP id e9e14a558f8ab-39a16b83f38mr2574995ab.0.1721814331001; Wed, 24 Jul 2024 02:45:31 -0700 (PDT) Date: Wed, 24 Jul 2024 02:45:30 -0700 X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <000000000000919a9b061dfb239a@google.com> Subject: [syzbot] [bluetooth?] WARNING in l2cap_send_cmd From: syzbot To: johan.hedberg@gmail.com, linux-bluetooth@vger.kernel.org, linux-kernel@vger.kernel.org, luiz.dentz@gmail.com, marcel@holtmann.org, syzkaller-bugs@googlegroups.com Content-Type: text/plain; charset="UTF-8" Hello, syzbot found the following issue on: HEAD commit: 933069701c1b Merge tag '6.11-rc-smb3-server-fixes' of git:.. git tree: upstream console output: https://syzkaller.appspot.com/x/log.txt?x=1052d5c3980000 kernel config: https://syzkaller.appspot.com/x/.config?x=bc5806b0bf399dd9 dashboard link: https://syzkaller.appspot.com/bug?extid=d87defb553e002cd88a5 compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 userspace arch: i386 Unfortunately, I don't have any reproducer for this issue yet. Downloadable assets: disk image (non-bootable): https://storage.googleapis.com/syzbot-assets/7bc7510fe41f/non_bootable_disk-93306970.raw.xz vmlinux: https://storage.googleapis.com/syzbot-assets/669de3c5a584/vmlinux-93306970.xz kernel image: https://storage.googleapis.com/syzbot-assets/6fb52aed0488/bzImage-93306970.xz IMPORTANT: if you fix the issue, please add the following tag to the commit: Reported-by: syzbot+d87defb553e002cd88a5@syzkaller.appspotmail.com ------------[ cut here ]------------ WARNING: CPU: 0 PID: 8 at kernel/workqueue.c:2259 __queue_work+0xc2b/0x1070 kernel/workqueue.c:2258 Modules linked in: CPU: 0 UID: 0 PID: 8 Comm: kworker/0:0 Not tainted 6.10.0-syzkaller-11840-g933069701c1b #0 Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014 Workqueue: events l2cap_chan_timeout RIP: 0010:__queue_work+0xc2b/0x1070 kernel/workqueue.c:2258 Code: 07 83 c0 03 38 d0 7c 09 84 d2 74 05 e8 be 59 93 00 8b 5b 2c 31 ff 83 e3 20 89 de e8 8f c1 34 00 85 db 75 60 e8 86 c6 34 00 90 <0f> 0b 90 e9 08 f8 ff ff e8 78 c6 34 00 90 0f 0b 90 e9 b7 f7 ff ff RSP: 0018:ffffc900003a7a20 EFLAGS: 00010093 RAX: 0000000000000000 RBX: ffff8880154a0000 RCX: ffffffff8158184a RDX: ffff888015f22440 RSI: ffffffff8156553a RDI: ffff8880154a0008 RBP: ffff888020da0b10 R08: 0000000000000005 R09: 0000000000000000 R10: 0000000000200000 R11: 000000000000000f R12: 0000000000000000 R13: 0000000000000008 R14: ffff888011aba000 R15: ffff888011aba000 FS: 0000000000000000(0000) GS:ffff88802c000000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00000000f331a0f8 CR3: 000000001d234000 CR4: 0000000000350ef0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: queue_work_on+0x11a/0x140 kernel/workqueue.c:2392 l2cap_send_cmd+0x6db/0x920 net/bluetooth/l2cap_core.c:973 l2cap_send_disconn_req+0x1f4/0x410 net/bluetooth/l2cap_core.c:1487 l2cap_chan_close+0x2df/0xa30 net/bluetooth/l2cap_core.c:826 l2cap_chan_timeout+0x196/0x310 net/bluetooth/l2cap_core.c:435 process_one_work+0x958/0x1ad0 kernel/workqueue.c:3231 process_scheduled_works kernel/workqueue.c:3312 [inline] worker_thread+0x6c8/0xf20 kernel/workqueue.c:3390 kthread+0x2c1/0x3a0 kernel/kthread.c:389 ret_from_fork+0x45/0x80 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