------------[ cut here ]------------ DEBUG_LOCKS_WARN_ON(1) WARNING: CPU: 0 PID: 17790 at kernel/locking/lockdep.c:183 hlock_class kernel/locking/lockdep.c:183 [inline] WARNING: CPU: 0 PID: 17790 at kernel/locking/lockdep.c:183 check_wait_context kernel/locking/lockdep.c:4054 [inline] WARNING: CPU: 0 PID: 17790 at kernel/locking/lockdep.c:183 __lock_acquire+0x8e4/0x2c30 kernel/locking/lockdep.c:4305 Kernel panic - not syncing: panic_on_warn set ... CPU: 0 PID: 17790 Comm: syz-executor026 Not tainted 5.7.0-rc6-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0x1e9/0x30e lib/dump_stack.c:118 panic+0x264/0x7a0 kernel/panic.c:221 __warn+0x209/0x210 kernel/panic.c:582 report_bug+0x1ac/0x2d0 lib/bug.c:195 fixup_bug arch/x86/kernel/traps.c:175 [inline] do_error_trap+0xca/0x1c0 arch/x86/kernel/traps.c:267 do_invalid_op+0x32/0x40 arch/x86/kernel/traps.c:286 invalid_op+0x23/0x30 arch/x86/entry/entry_64.S:1027 RIP: 0010:hlock_class kernel/locking/lockdep.c:183 [inline] RIP: 0010:check_wait_context kernel/locking/lockdep.c:4054 [inline] RIP: 0010:__lock_acquire+0x8e4/0x2c30 kernel/locking/lockdep.c:4305 Code: 85 76 13 08 00 0f 85 bf fe ff ff 48 c7 c7 99 82 e5 88 48 c7 c6 d3 4f ea 88 31 c0 e8 46 e8 ec ff 48 ba 00 00 00 00 00 fc ff df <0f> 0b 31 db e9 bb fe ff ff 31 db e9 aa fe ff ff 48 c7 c1 b4 19 6c RSP: 0018:ffffc9000cb7f790 EFLAGS: 00010046 RAX: b9db11971958b600 RBX: 000000000000060a RCX: ffff888093e9e580 RDX: dffffc0000000000 RSI: 0000000000000001 RDI: ffffffff815cd136 RBP: ffffc9000cb7f8f8 R08: ffffffff817912a6 R09: fffffbfff125cd0b R10: fffffbfff125cd0b R11: 0000000000000000 R12: 0000000000000004 R13: 1ffffffff16abda6 R14: ffff888093e9ee90 R15: 0000000000000001 lock_acquire+0x169/0x480 kernel/locking/lockdep.c:4934 finish_lock_switch+0x21/0x30 kernel/sched/core.c:3105 finish_task_switch+0x24f/0x550 kernel/sched/core.c:3206 context_switch kernel/sched/core.c:3370 [inline] __schedule+0x80d/0xc90 kernel/sched/core.c:4083 preempt_schedule_irq+0xca/0x150 kernel/sched/core.c:4341 retint_kernel+0x1b/0x2b RIP: 0010:arch_local_irq_restore arch/x86/include/asm/paravirt.h:759 [inline] RIP: 0010:lock_acquire+0x1c7/0x480 kernel/locking/lockdep.c:4937 Code: c1 e8 03 80 3c 10 00 74 0c 48 c7 c7 b0 b9 2b 89 e8 9e da 58 00 48 83 3d d6 23 d3 07 00 0f 84 8e 02 00 00 48 8b 7c 24 20 57 9d <0f> 1f 44 00 00 65 48 8b 04 25 28 00 00 00 48 3b 44 24 58 0f 85 70 RSP: 0018:ffffc9000cb7fba0 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 RAX: 1ffffffff1257736 RBX: 1ffff110127d3dc8 RCX: dffffc0000000000 RDX: dffffc0000000000 RSI: ffffffff8ad74c30 RDI: 0000000000000282 RBP: 0000000000000000 R08: dffffc0000000000 R09: fffffbfff16ab3e4 R10: fffffbfff16ab3e4 R11: 0000000000000000 R12: 0000000000000000 R13: 0000000000000000 R14: ffff888093e9ee44 R15: ffff88808eb3f938 flush_workqueue+0x125/0x15a0 kernel/workqueue.c:2779 hci_dev_open+0x205/0x2d0 net/bluetooth/hci_core.c:1651 hci_sock_bind+0x15ba/0x1aa0 net/bluetooth/hci_sock.c:1200 __sys_bind+0x283/0x360 net/socket.c:1662 __do_sys_bind net/socket.c:1673 [inline] __se_sys_bind net/socket.c:1671 [inline] __x64_sys_bind+0x76/0x80 net/socket.c:1671 do_syscall_64+0xf3/0x1b0 arch/x86/entry/common.c:295 entry_SYSCALL_64_after_hwframe+0x49/0xb3 RIP: 0033:0x446849 Code: e8 0c e8 ff ff 48 83 c4 18 c3 0f 1f 80 00 00 00 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 0f 83 5b 07 fc ff c3 66 2e 0f 1f 84 00 00 00 00 RSP: 002b:00007f13d3492db8 EFLAGS: 00000246 ORIG_RAX: 0000000000000031 RAX: ffffffffffffffda RBX: 00000000006dbc28 RCX: 0000000000446849 RDX: 0000000000000006 RSI: 0000000020000140 RDI: 0000000000000004 RBP: 00000000006dbc20 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00000000006dbc2c R13: 00007ffc160398ff R14: 00007f13d34939c0 R15: 000000000000002d Shutting down cpus with NMI Kernel Offset: disabled Rebooting in 86400 seconds..