------------[ cut here ]------------ WARNING: CPU: 1 PID: 210405 at kernel/workqueue.c:1428 __queue_work+0xc09/0xf40 kernel/workqueue.c:1428 Modules linked in: CPU: 1 PID: 210405 Comm: syz-executor.3 Not tainted 5.10.238 #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 RIP: 0010:__queue_work+0xc09/0xf40 kernel/workqueue.c:1428 Code: e0 07 83 c0 03 38 d0 7c 09 84 d2 74 05 e8 af 17 52 00 8b 5b 24 31 ff 83 e3 20 89 de e8 c0 0a 26 00 85 db 75 2a e8 67 11 26 00 <0f> 0b e9 71 fa ff ff e8 5b 11 26 00 0f 0b e9 fc f9 ff ff e8 4f 11 RSP: 0018:ffff88802bf07768 EFLAGS: 00010002 RAX: 000000000001a7c0 RBX: 0000000000000000 RCX: ffffc90008937000 RDX: 0000000000040000 RSI: ffffffff811abe69 RDI: 0000000000000005 RBP: ffff888056c28300 R08: 0000000000000001 R09: ffff888050a24acf R10: 0000000000000000 R11: 0000000000000001 R12: ffff888050a24ac8 R13: ffff88803b332800 R14: 0000000000000212 R15: 0000000000000001 FS: 00007f71445d8700(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007ffc1592be38 CR3: 00000000543e4000 CR4: 0000000000350ee0 Call Trace: queue_work_on+0xcb/0xd0 kernel/workqueue.c:1534 l2cap_do_send+0x23f/0x3d0 net/bluetooth/l2cap_core.c:1021 l2cap_chan_send+0xade/0x2810 net/bluetooth/l2cap_core.c:2727 l2cap_sock_sendmsg+0x205/0x2c0 net/bluetooth/l2cap_sock.c:1161 sock_sendmsg_nosec net/socket.c:651 [inline] __sock_sendmsg+0x154/0x190 net/socket.c:663 ____sys_sendmsg+0x334/0x870 net/socket.c:2378 ___sys_sendmsg+0xf3/0x170 net/socket.c:2432 __sys_sendmmsg+0x195/0x470 net/socket.c:2518 __do_sys_sendmmsg net/socket.c:2547 [inline] __se_sys_sendmmsg net/socket.c:2544 [inline] __x64_sys_sendmmsg+0x99/0x100 net/socket.c:2544 do_syscall_64+0x33/0x40 arch/x86/entry/common.c:46 entry_SYSCALL_64_after_hwframe+0x67/0xd1 RIP: 0033:0x7f7147062b19 Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 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 bc ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007f71445d8188 EFLAGS: 00000246 ORIG_RAX: 0000000000000133 RAX: ffffffffffffffda RBX: 00007f7147175f60 RCX: 00007f7147062b19 RDX: 03fffffffffffdca RSI: 0000000020001040 RDI: 0000000000000005 RBP: 00007f71470bcf6d R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000040 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffd9efa91ff R14: 00007f71445d8300 R15: 0000000000022000 irq event stamp: 12096 hardirqs last enabled at (12095): [] __raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:160 [inline] hardirqs last enabled at (12095): [] _raw_spin_unlock_irqrestore+0x38/0x40 kernel/locking/spinlock.c:191 hardirqs last disabled at (12096): [] queue_work_on+0xa3/0xd0 kernel/workqueue.c:1531 softirqs last enabled at (12082): [] l2cap_sock_sendmsg+0x17e/0x2c0 net/bluetooth/l2cap_sock.c:1156 softirqs last disabled at (12078): [] spin_lock_bh include/linux/spinlock.h:359 [inline] softirqs last disabled at (12078): [] release_sock+0x1b/0x1b0 net/core/sock.c:3109 ---[ end trace 4e8db084dcecdd91 ]--- hpet_rtc_timer_reinit: 30 callbacks suppressed hpet: Lost 3 RTC interrupts Bluetooth: hci0: command 0x0409 tx timeout Bluetooth: hci0: command 0x041b tx timeout Bluetooth: hci0: command 0x040f tx timeout wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready