Hello, syzbot found the following issue on: HEAD commit: e6f39a90de92 Merge tag 'efi-fixes-for-v6.8-1' of git://git.. git tree: upstream console output: https://syzkaller.appspot.com/x/log.txt?x=157751e0180000 kernel config: https://syzkaller.appspot.com/x/.config?x=31f74f10f14dec54 dashboard link: https://syzkaller.appspot.com/bug?extid=c39f6e731d27b028df97 compiler: gcc (Debian 12.2.0-14) 12.2.0, 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/663081ccfa7b/disk-e6f39a90.raw.xz vmlinux: https://storage.googleapis.com/syzbot-assets/47bbf72bfafe/vmlinux-e6f39a90.xz kernel image: https://storage.googleapis.com/syzbot-assets/982bd4f4331d/bzImage-e6f39a90.xz IMPORTANT: if you fix the issue, please add the following tag to the commit: Reported-by: syzbot+c39f6e731d27b028df97@xxxxxxxxxxxxxxxxxxxxxxxxx ------------[ cut here ]------------ WARNING: CPU: 0 PID: 11256 at kernel/workqueue.c:1728 __queue_work+0xdc6/0x11d0 kernel/workqueue.c:1727 Modules linked in: CPU: 0 PID: 11256 Comm: syz-executor.2 Not tainted 6.8.0-rc3-syzkaller-00215-ge6f39a90de92 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/25/2024 RIP: 0010:__queue_work+0xdc6/0x11d0 kernel/workqueue.c:1727 Code: 07 83 c0 03 38 d0 7c 09 84 d2 74 05 e8 d3 31 8d 00 8b 5b 2c 31 ff 83 e3 20 89 de e8 84 7c 33 00 85 db 75 56 e8 9b 81 33 00 90 <0f> 0b 90 e9 ac f8 ff ff e8 8d 81 33 00 90 0f 0b 90 e9 5b f8 ff ff RSP: 0018:ffffc9000bec7a20 EFLAGS: 00010087 RAX: 000000000000282e RBX: 0000000000000000 RCX: ffffc90009c6e000 RDX: 0000000000040000 RSI: ffffffff8158e825 RDI: 0000000000000005 RBP: 0000000000000200 R08: 0000000000000005 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000001 R12: ffff8880418bcda8 R13: 0000000000000000 R14: ffff88807f8b9c00 R15: ffff88807f8b9c00 FS: 00007f1069ea96c0(0000) GS:ffff8880b9400000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000020000040 CR3: 00000000776c8000 CR4: 0000000000350ef0 Call Trace: <TASK> queue_work_on+0xf4/0x120 kernel/workqueue.c:1837 queue_work include/linux/workqueue.h:548 [inline] hci_send_cmd+0xcb/0x1b0 net/bluetooth/hci_core.c:3072 hci_acl_create_connection+0x426/0x5d0 net/bluetooth/hci_conn.c:237 hci_connect_acl+0x3e3/0x700 net/bluetooth/hci_conn.c:1706 l2cap_chan_connect+0x724/0x2180 net/bluetooth/l2cap_core.c:8054 l2cap_sock_connect+0x33f/0x720 net/bluetooth/l2cap_sock.c:256 __sys_connect_file+0x162/0x1a0 net/socket.c:2048 __sys_connect+0x149/0x170 net/socket.c:2065 __do_sys_connect net/socket.c:2075 [inline] __se_sys_connect net/socket.c:2072 [inline] __x64_sys_connect+0x72/0xb0 net/socket.c:2072 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xd8/0x270 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x6f/0x77 RIP: 0033:0x7f106907dda9 Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007f1069ea90c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002a RAX: ffffffffffffffda RBX: 00007f10691abf80 RCX: 00007f106907dda9 RDX: 000000000000000e RSI: 0000000020000040 RDI: 0000000000000004 RBP: 00007f10690ca47a R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 000000000000000b R14: 00007f10691abf80 R15: 00007ffcf75228b8 </TASK> --- 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@xxxxxxxxxxxxxxxx. 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
