From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-il1-f199.google.com (mail-il1-f199.google.com [209.85.166.199]) (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 549491E481 for ; Sat, 20 Jul 2024 22:50:24 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.166.199 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1721515826; cv=none; b=h7dj+oW5ssdGwQsX2jn1q0cQ02eiy+xvcNYrBj4qW9IKU3mglJLh4q3LLmCbFpcKjmX7XEPl083B6znwv2mR7PHmjo3YDfOZ0+0vCy2jwHvJU3r1eGTVSiv+lJF+zEADLtkzB8iSX02Dzn7Rvcnca857J3Aj1gRMPxs8uGTNtl4= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1721515826; c=relaxed/simple; bh=6KDEKAZxaaedn3DthDnvLDB9BLKZ5vLPXc3BKVo8Yt0=; h=MIME-Version:Date:Message-ID:Subject:From:To:Content-Type; b=mcIpY4ifgxsP5HFurJw5Iy19rOIpGL4MB9VIQbHpMP8RgDgORFIzY9t5wmnCJ217xY3vYVkgTmPCdWNB3M4te/1kuar32pSZc73IO7QeILqJ9ap8lvMXg5fsklOWZQcCDfNXmTB4COJOWk04AK3CklZerUSjnR0QOoiWFewzIxc= 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=209.85.166.199 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-f199.google.com with SMTP id e9e14a558f8ab-398ae4327f1so17785265ab.1 for ; Sat, 20 Jul 2024 15:50:24 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1721515823; x=1722120623; h=to:from:subject:message-id:date:mime-version:x-gm-message-state :from:to:cc:subject:date:message-id:reply-to; bh=h1ZlSIo7L/KcAi7yI9hJz8UA/MAu2rn5teJC55aiBZY=; b=g2SrGpKGYtzioNBtbLBNddq+/h6dBzz7GyD0mopcDwhozJKsbiVeppHQYM3AvzpIor vaCsXxgcEXKNmehBko5B7Dc99tPywpqpZ9uhVCvb4McBbo8Lhnfy5e1ErATLSAaJW6wG 5p31AgiYRwMz/6jrvRn1DtG8dbFB5tZ2zAO40MxmlKxe16qoKSoabzz5xxF8lxO+7LiV 8tt3zS4oFD1J4EiVmR4ItHUQGNMBHVlI8W6y8dqIk4qdkSvkMR7/X7s8NpiJ44vhr7Jy VmyPd1hQxmNuukwbo3pk4FOecM5QXE4t/lh7xoY50DAnHmwOXq7EymWyVRGzotazB1ab 2eVQ== X-Forwarded-Encrypted: i=1; AJvYcCUCKFOh1Z3OcidYB5tV3BB8YjMhdBseSETTeUA//Pd9y8ud8+rQzwkHRoEmm4FZFeTVWjeis1iXK6rC9mQwabSqfQVCgGvAfIuxCRAy X-Gm-Message-State: AOJu0YzzLM0ydKYVVySm6XiaHujqL+7T+aFWo2E/I5sXu5o8AWVXexXc d9RfjHcKVfyaTZHAC6QWoOy9gkVA2PdnF3qt3r9Av+DjjL20cemUkIhFxovR8/BPCd6YT++mxky qSfMVOKV1P0eFA03ErOlGmMgxxPl1Odd+i7BhvrE51j7RWFh8whjHFAs= X-Google-Smtp-Source: AGHT+IEQjRYrMRzq8zPxk5Qeu12+ssGh0qMUNf9TtmGYJMfKR8ZXW6etJmVdJ4zwR9ZSbRyK7tUlPLVEh1hav9QOsX1JtsL8FwZc Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Received: by 2002:a05:6e02:1383:b0:395:fa9a:3187 with SMTP id e9e14a558f8ab-398ee03ea4bmr2572875ab.3.1721515823474; Sat, 20 Jul 2024 15:50:23 -0700 (PDT) Date: Sat, 20 Jul 2024 15:50:23 -0700 X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <000000000000224117061db5a39c@google.com> Subject: [syzbot] [bluetooth?] WARNING in hci_send_acl (3) 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: c912bf709078 Merge remote-tracking branches 'origin/arm64-.. git tree: git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci console output: https://syzkaller.appspot.com/x/log.txt?x=171be3a5980000 kernel config: https://syzkaller.appspot.com/x/.config?x=79a49b0b9ffd6585 dashboard link: https://syzkaller.appspot.com/bug?extid=f32bdeda1c9146004da8 compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 userspace arch: arm64 Unfortunately, I don't have any reproducer for this issue yet. Downloadable assets: disk image: https://storage.googleapis.com/syzbot-assets/fea69a9d153c/disk-c912bf70.raw.xz vmlinux: https://storage.googleapis.com/syzbot-assets/be06762a72ef/vmlinux-c912bf70.xz kernel image: https://storage.googleapis.com/syzbot-assets/6c8e58b4215d/Image-c912bf70.gz.xz IMPORTANT: if you fix the issue, please add the following tag to the commit: Reported-by: syzbot+f32bdeda1c9146004da8@syzkaller.appspotmail.com ------------[ cut here ]------------ WARNING: CPU: 1 PID: 7434 at kernel/workqueue.c:2282 current_wq_worker kernel/workqueue_internal.h:69 [inline] WARNING: CPU: 1 PID: 7434 at kernel/workqueue.c:2282 is_chained_work kernel/workqueue.c:2224 [inline] WARNING: CPU: 1 PID: 7434 at kernel/workqueue.c:2282 __queue_work+0xe0c/0x12ac kernel/workqueue.c:2281 Modules linked in: CPU: 1 PID: 7434 Comm: syz.2.363 Not tainted 6.10.0-rc7-syzkaller-gc912bf709078 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/07/2024 pstate: 604000c5 (nZCv daIF +PAN -UAO -TCO -DIT -SSBS BTYPE=--) pc : __queue_work+0xe0c/0x12ac kernel/workqueue_internal.h:69 lr : current_wq_worker kernel/workqueue_internal.h:69 [inline] lr : is_chained_work kernel/workqueue.c:2224 [inline] lr : __queue_work+0xe0c/0x12ac kernel/workqueue.c:2281 sp : ffff8000a0aa7240 x29: ffff8000a0aa7290 x28: 1fffe000196d0e41 x27: 0000000000000004 x26: dfff800000000000 x25: ffff0000d17ae800 x24: 0000000000000008 x23: 1fffe0001af1e3c9 x22: ffff0000d17ae9c0 x21: 0000000000400140 x20: ffff0000d78f1e40 x19: ffff0000d8678b18 x18: ffff8000a0aa72e0 x17: ffff80008f0fd000 x16: ffff800082f8f174 x15: 0000000000000001 x14: 1fffe0001b0cf163 x13: 0000000000000000 x12: 0000000000000000 x11: 0000000000040000 x10: 000000000003ffff x9 : ffff8000a1f1f000 x8 : 0000000000040000 x7 : ffff800089145000 x6 : 0000000000000000 x5 : 0000000000000001 x4 : 0000000000000001 x3 : ffff80008022dbe8 x2 : ffff0000d8678b18 x1 : 0000000000000000 x0 : 0000000000000000 Call trace: current_wq_worker kernel/workqueue_internal.h:69 [inline] is_chained_work kernel/workqueue.c:2224 [inline] __queue_work+0xe0c/0x12ac kernel/workqueue.c:2281 queue_work_on+0xe0/0x1a0 kernel/workqueue.c:2411 queue_work include/linux/workqueue.h:621 [inline] hci_send_acl+0x768/0xa50 net/bluetooth/hci_core.c:3250 l2cap_do_send+0x188/0x288 net/bluetooth/l2cap_core.c:996 l2cap_chan_send+0x13dc/0x211c net/bluetooth/l2cap_core.c:2577 l2cap_sock_sendmsg+0x184/0x2a8 net/bluetooth/l2cap_sock.c:1128 sock_sendmsg_nosec net/socket.c:730 [inline] __sock_sendmsg net/socket.c:745 [inline] ____sys_sendmsg+0x4d8/0x77c net/socket.c:2585 ___sys_sendmsg net/socket.c:2639 [inline] __sys_sendmmsg+0x30c/0x6b0 net/socket.c:2725 __do_sys_sendmmsg net/socket.c:2754 [inline] __se_sys_sendmmsg net/socket.c:2751 [inline] __arm64_sys_sendmmsg+0xa0/0xbc net/socket.c:2751 __invoke_syscall arch/arm64/kernel/syscall.c:34 [inline] invoke_syscall+0x98/0x2b8 arch/arm64/kernel/syscall.c:48 el0_svc_common+0x130/0x23c arch/arm64/kernel/syscall.c:131 do_el0_svc+0x48/0x58 arch/arm64/kernel/syscall.c:150 el0_svc+0x54/0x168 arch/arm64/kernel/entry-common.c:712 el0t_64_sync_handler+0x84/0xfc arch/arm64/kernel/entry-common.c:730 el0t_64_sync+0x190/0x194 arch/arm64/kernel/entry.S:598 irq event stamp: 13644 hardirqs last enabled at (13643): [] __exit_to_kernel_mode arch/arm64/kernel/entry-common.c:85 [inline] hardirqs last enabled at (13643): [] exit_to_kernel_mode+0xdc/0x10c arch/arm64/kernel/entry-common.c:95 hardirqs last disabled at (13644): [] queue_work_on+0x50/0x1a0 kernel/workqueue.c:2407 softirqs last enabled at (13586): [] spin_unlock_bh include/linux/spinlock.h:396 [inline] softirqs last enabled at (13586): [] release_sock+0x154/0x1b8 net/core/sock.c:3558 softirqs last disabled at (13584): [] spin_lock_bh include/linux/spinlock.h:356 [inline] softirqs last disabled at (13584): [] release_sock+0x3c/0x1b8 net/core/sock.c:3547 ---[ end trace 0000000000000000 ]--- --- 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