------------[ cut here ]------------ WARNING: CPU: 1 PID: 4867 at kernel/workqueue.c:1453 __queue_work+0xee4/0x114c kernel/workqueue.c:1453 Modules linked in: CPU: 1 PID: 4867 Comm: syz.4.206 Not tainted 5.15.174-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/25/2024 pstate: 604000c5 (nZCv daIF +PAN -UAO -TCO -DIT -SSBS BTYPE=--) pc : __queue_work+0xee4/0x114c kernel/workqueue.c:1453 lr : __queue_work+0xee4/0x114c kernel/workqueue.c:1453 sp : ffff8000206072d0 x29: ffff800020607310 x28: 1fffe00018290359 x27: 0000000000000008 x26: ffff0000c2f97000 x25: dfff800000000000 x24: ffff0000c2f971c0 x23: 1fffe000185f2e38 x22: ffff0000cc57b688 x21: 1fffe000198af6d1 x20: 00000000000b0012 x19: ffff0000c81c0b78 x18: 0000000000000000 x17: 0000000000000002 x16: ffff8000082ec934 x15: 0000000000000001 x14: 1ffff0000296e06c x13: dfff800000000000 x12: 0000000000080000 x11: 000000000007ffff x10: ffff8000261d9000 x9 : 0000000000080000 x8 : ffff800008206d14 x7 : 0000000000000000 x6 : 0000000000000000 x5 : 0000000000000080 x4 : 0000000000000000 x3 : ffff800008205d3c x2 : ffff0000c81c0b78 x1 : 0000000000000000 x0 : 0000000000000000 Call trace: __queue_work+0xee4/0x114c kernel/workqueue.c:1453 queue_work_on+0xc4/0x17c kernel/workqueue.c:1559 queue_work include/linux/workqueue.h:512 [inline] hci_send_acl+0x7a8/0xaa4 net/bluetooth/hci_core.c:4439 l2cap_do_send+0x238/0x350 l2cap_chan_send+0x190c/0x1e5c l2cap_sock_sendmsg+0x184/0x2a8 net/bluetooth/l2cap_sock.c:1173 sock_sendmsg_nosec net/socket.c:704 [inline] __sock_sendmsg net/socket.c:716 [inline] ____sys_sendmsg+0x584/0x870 net/socket.c:2436 ___sys_sendmsg+0x214/0x294 net/socket.c:2490 __sys_sendmmsg+0x23c/0x648 net/socket.c:2576 __do_sys_sendmmsg net/socket.c:2605 [inline] __se_sys_sendmmsg net/socket.c:2602 [inline] __arm64_sys_sendmmsg+0xa0/0xbc net/socket.c:2602 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline] invoke_syscall+0x98/0x2b8 arch/arm64/kernel/syscall.c:52 el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:142 do_el0_svc+0x58/0x14c arch/arm64/kernel/syscall.c:181 el0_svc+0x7c/0x1f0 arch/arm64/kernel/entry-common.c:608 el0t_64_sync_handler+0x84/0xe4 arch/arm64/kernel/entry-common.c:626 el0t_64_sync+0x1a0/0x1a4 arch/arm64/kernel/entry.S:584 irq event stamp: 52286 hardirqs last enabled at (52285): [] __raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:160 [inline] hardirqs last enabled at (52285): [] _raw_spin_unlock_irqrestore+0xac/0x158 kernel/locking/spinlock.c:194 hardirqs last disabled at (52286): [] queue_work_on+0x7c/0x17c kernel/workqueue.c:1556 softirqs last enabled at (52282): [] spin_unlock_bh include/linux/spinlock.h:408 [inline] softirqs last enabled at (52282): [] release_sock+0x1e4/0x270 net/core/sock.c:3276 softirqs last disabled at (52280): [] spin_lock_bh include/linux/spinlock.h:368 [inline] softirqs last disabled at (52280): [] release_sock+0x3c/0x270 net/core/sock.c:3263 ---[ end trace 382e1e968d348ae3 ]---