------------[ cut here ]------------ workqueue: cannot queue hci_cmd_timeout on wq hci4 WARNING: CPU: 1 PID: 13299 at kernel/workqueue.c:2257 __queue_work+0xc9c/0x10f0 kernel/workqueue.c:2256 Modules linked in: CPU: 1 UID: 0 PID: 13299 Comm: syz.4.1846 Not tainted 6.14.0-rc4-syzkaller-00199-g76544811c850 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 RIP: 0010:__queue_work+0xc9c/0x10f0 kernel/workqueue.c:2256 Code: 00 00 fc ff df 48 89 fa 48 c1 ea 03 80 3c 02 00 0f 85 28 04 00 00 48 8b 75 18 4c 89 fa 48 c7 c7 e0 e3 6b 8b e8 a5 33 f7 ff 90 <0f> 0b 90 90 e9 96 f7 ff ff e8 c6 02 37 00 90 0f 0b 90 e9 1b f6 ff RSP: 0018:ffffc90000a18be8 EFLAGS: 00010082 RAX: 0000000000000000 RBX: 0000000000000000 RCX: ffffffff817a1229 RDX: ffff8880615d0000 RSI: ffffffff817a1236 RDI: 0000000000000001 RBP: ffff88805c3d0930 R08: 0000000000000001 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000001 R12: 1ffff9200014318f R13: 0000000000000001 R14: 0000000080000100 R15: ffff8880298dc978 FS: 00007f2d175176c0(0000) GS:ffff8880b8700000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000000000143d000 CR3: 000000002dd98000 CR4: 00000000003526f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: call_timer_fn+0x1a0/0x610 kernel/time/timer.c:1789 expire_timers kernel/time/timer.c:1835 [inline] __run_timers+0x56a/0x930 kernel/time/timer.c:2414 __run_timer_base kernel/time/timer.c:2426 [inline] __run_timer_base kernel/time/timer.c:2418 [inline] run_timer_base+0x114/0x190 kernel/time/timer.c:2435 run_timer_softirq+0x1a/0x40 kernel/time/timer.c:2445 handle_softirqs+0x213/0x8f0 kernel/softirq.c:561 __do_softirq kernel/softirq.c:595 [inline] invoke_softirq kernel/softirq.c:435 [inline] __irq_exit_rcu+0x109/0x170 kernel/softirq.c:662 irq_exit_rcu+0x9/0x30 kernel/softirq.c:678 instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1049 [inline] sysvec_apic_timer_interrupt+0xa4/0xc0 arch/x86/kernel/apic/apic.c:1049 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:702 RIP: 0010:lock_is_held_type+0x107/0x150 kernel/locking/lockdep.c:5928 Code: 00 00 b8 ff ff ff ff 65 0f c1 05 3c 75 ad 74 83 f8 01 75 2d 9c 58 f6 c4 02 75 43 48 f7 04 24 00 02 00 00 74 01 fb 48 83 c4 08 <44> 89 e8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 cc cc cc cc 45 31 ed eb RSP: 0018:ffffc90004dbf9b0 EFLAGS: 00000292 RAX: 0000000000000046 RBX: ffff8880615d0af0 RCX: 0000000000000001 RDX: 0000000000000000 RSI: ffffffff8b6cf080 RDI: ffffffff8bd34800 RBP: ffff888079e947e0 R08: 0000000000000005 R09: 0000000000000300 R10: 0000000000000300 R11: 0000000000000001 R12: ffff8880615d0000 R13: 0000000000000001 R14: 00000000ffffffff R15: 0000000000000000 lock_is_held include/linux/lockdep.h:249 [inline] mt_locked lib/maple_tree.c:796 [inline] mas_root lib/maple_tree.c:847 [inline] mas_start lib/maple_tree.c:1375 [inline] mtree_load+0x228/0xa40 lib/maple_tree.c:6281 vma_lookup include/linux/mm.h:3452 [inline] do_pages_stat_array mm/migrate.c:2433 [inline] do_pages_stat+0x48f/0x800 mm/migrate.c:2501 kernel_move_pages+0x107d/0x1560 mm/migrate.c:2582 __do_sys_move_pages mm/migrate.c:2593 [inline] __se_sys_move_pages mm/migrate.c:2588 [inline] __x64_sys_move_pages+0xe0/0x1c0 mm/migrate.c:2588 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xcd/0x250 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f2d1678d169 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 a8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007f2d17517038 EFLAGS: 00000246 ORIG_RAX: 0000000000000117 RAX: ffffffffffffffda RBX: 00007f2d169a5fa0 RCX: 00007f2d1678d169 RDX: 0000000000000000 RSI: 0002000000000003 RDI: 0000000000000001 RBP: 00007f2d1680e2a0 R08: 0000000000000000 R09: 8000400000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000000000 R14: 00007f2d169a5fa0 R15: 00007ffe9ffe7188 ---------------- Code disassembly (best guess): 0: 00 00 add %al,(%rax) 2: b8 ff ff ff ff mov $0xffffffff,%eax 7: 65 0f c1 05 3c 75 ad xadd %eax,%gs:0x74ad753c(%rip) # 0x74ad754b e: 74 f: 83 f8 01 cmp $0x1,%eax 12: 75 2d jne 0x41 14: 9c pushf 15: 58 pop %rax 16: f6 c4 02 test $0x2,%ah 19: 75 43 jne 0x5e 1b: 48 f7 04 24 00 02 00 testq $0x200,(%rsp) 22: 00 23: 74 01 je 0x26 25: fb sti 26: 48 83 c4 08 add $0x8,%rsp * 2a: 44 89 e8 mov %r13d,%eax <-- trapping instruction 2d: 5b pop %rbx 2e: 5d pop %rbp 2f: 41 5c pop %r12 31: 41 5d pop %r13 33: 41 5e pop %r14 35: 41 5f pop %r15 37: c3 ret 38: cc int3 39: cc int3 3a: cc int3 3b: cc int3 3c: 45 31 ed xor %r13d,%r13d 3f: eb .byte 0xeb