------------[ cut here ]------------ workqueue: cannot queue hci_cmd_timeout on wq hci0 WARNING: CPU: 0 PID: 5335 at kernel/workqueue.c:2258 __queue_work+0xd62/0xfe0 kernel/workqueue.c:2256 Modules linked in: CPU: 0 UID: 0 PID: 5335 Comm: rm Not tainted 6.16.0-rc3-syzkaller-00057-g92ca6c498a5e #0 PREEMPT(full) Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014 RIP: 0010:__queue_work+0xd62/0xfe0 kernel/workqueue.c:2256 Code: 42 80 3c 20 00 74 08 4c 89 ef e8 29 0d 99 00 49 8b 75 00 49 81 c7 78 01 00 00 48 c7 c7 40 e1 89 8b 4c 89 fa e8 1f 34 f9 ff 90 <0f> 0b 90 90 e9 f1 f4 ff ff e8 30 8a 35 00 90 0f 0b 90 e9 dd fc ff RSP: 0018:ffffc90000007b08 EFLAGS: 00010046 RAX: d4ef00729a6b4700 RBX: 0000000000000100 RCX: ffff8880002fc880 RDX: 0000000000000100 RSI: 0000000000000000 RDI: 0000000000000002 RBP: 1ffff1100883c238 R08: 0000000000000003 R09: 0000000000000004 R10: dffffc0000000000 R11: fffffbfff1bfaa04 R12: dffffc0000000000 R13: ffff888043eec948 R14: 0000000000000008 R15: ffff8880441e1178 FS: 0000000000000000(0000) GS:ffff88808d251000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f82b36ee286 CR3: 0000000053026000 CR4: 0000000000352ef0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: call_timer_fn+0x17e/0x5f0 kernel/time/timer.c:1747 expire_timers kernel/time/timer.c:1793 [inline] __run_timers kernel/time/timer.c:2372 [inline] __run_timer_base+0x646/0x860 kernel/time/timer.c:2384 run_timer_base kernel/time/timer.c:2393 [inline] run_timer_softirq+0xb7/0x180 kernel/time/timer.c:2403 handle_softirqs+0x286/0x870 kernel/softirq.c:579 __do_softirq kernel/softirq.c:613 [inline] invoke_softirq kernel/softirq.c:453 [inline] __irq_exit_rcu+0xca/0x1f0 kernel/softirq.c:680 irq_exit_rcu+0x9/0x30 kernel/softirq.c:696 instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1050 [inline] sysvec_apic_timer_interrupt+0xa6/0xc0 arch/x86/kernel/apic/apic.c:1050 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:702 RIP: 0010:lock_acquire+0x175/0x360 kernel/locking/lockdep.c:5875 Code: 00 00 00 00 9c 8f 44 24 30 f7 44 24 30 00 02 00 00 0f 85 cd 00 00 00 f7 44 24 08 00 02 00 00 74 01 fb 65 48 8b 05 3b cd fe 10 <48> 3b 44 24 58 0f 85 f2 00 00 00 48 83 c4 60 5b 41 5c 41 5d 41 5e RSP: 0018:ffffc9000f45ee08 EFLAGS: 00000206 RAX: d4ef00729a6b4700 RBX: 0000000000000000 RCX: d4ef00729a6b4700 RDX: 0000000000000000 RSI: ffffffff8db6ef48 RDI: ffffffff8be28d40 RBP: ffffffff8216c28b R08: 0000000000000000 R09: ffffffff8216c28b R10: dffffc0000000000 R11: fffff52001e8bdc4 R12: 0000000000000000 R13: ffff88801fc3fe98 R14: 0000000000000001 R15: 0000000000000246 __raw_spin_trylock include/linux/spinlock_api_smp.h:90 [inline] _raw_spin_trylock+0x47/0x80 kernel/locking/spinlock.c:138 spin_trylock include/linux/spinlock.h:361 [inline] rmqueue_pcplist mm/page_alloc.c:3096 [inline] rmqueue mm/page_alloc.c:3140 [inline] get_page_from_freelist+0x63b/0x22c0 mm/page_alloc.c:3666 __alloc_frozen_pages_noprof+0x181/0x370 mm/page_alloc.c:4959 alloc_pages_mpol+0x232/0x4a0 mm/mempolicy.c:2419 alloc_frozen_pages_noprof mm/mempolicy.c:2490 [inline] alloc_pages_noprof+0xa9/0x190 mm/mempolicy.c:2510 pagetable_alloc_noprof include/linux/mm.h:2862 [inline] __pte_alloc_one_noprof include/asm-generic/pgalloc.h:75 [inline] pte_alloc_one+0x21/0x170 arch/x86/mm/pgtable.c:18 __pte_alloc+0x25/0x1a0 mm/memory.c:441 move_page_tables+0x1839/0x1b90 mm/mremap.c:833 relocate_vma_down+0x316/0x500 mm/vma_exec.c:66 setup_arg_pages+0x5df/0xaa0 fs/exec.c:687 load_elf_binary+0xb59/0x2790 fs/binfmt_elf.c:1013 search_binary_handler fs/exec.c:1665 [inline] exec_binprm fs/exec.c:1697 [inline] bprm_execve+0x99c/0x1450 fs/exec.c:1749 do_execveat_common+0x510/0x6a0 fs/exec.c:1855 do_execve fs/exec.c:1929 [inline] __do_sys_execve fs/exec.c:2005 [inline] __se_sys_execve fs/exec.c:2000 [inline] __x64_sys_execve+0x94/0xb0 fs/exec.c:2000 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0xfa/0x3b0 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f82b3634107 Code: Unable to access opcode bytes at 0x7f82b36340dd. RSP: 002b:00007ffd4d976bd8 EFLAGS: 00000246 ORIG_RAX: 000000000000003b RAX: ffffffffffffffda RBX: 0000558d1d4880c8 RCX: 00007f82b3634107 RDX: 0000558d1d4880e8 RSI: 0000558d1d4880c8 RDI: 0000558d1d488170 RBP: 0000558d1d488170 R08: 00007ffd4d979eb1 R09: 0000000000000000 R10: 0000000000000008 R11: 0000000000000246 R12: 0000558d1d4880e8 R13: 00007f82b37f9e8b R14: 0000558d1d4880e8 R15: 0000000000000000 ---------------- Code disassembly (best guess): 0: 00 00 add %al,(%rax) 2: 00 00 add %al,(%rax) 4: 9c pushf 5: 8f 44 24 30 pop 0x30(%rsp) 9: f7 44 24 30 00 02 00 testl $0x200,0x30(%rsp) 10: 00 11: 0f 85 cd 00 00 00 jne 0xe4 17: f7 44 24 08 00 02 00 testl $0x200,0x8(%rsp) 1e: 00 1f: 74 01 je 0x22 21: fb sti 22: 65 48 8b 05 3b cd fe mov %gs:0x10fecd3b(%rip),%rax # 0x10fecd65 29: 10 * 2a: 48 3b 44 24 58 cmp 0x58(%rsp),%rax <-- trapping instruction 2f: 0f 85 f2 00 00 00 jne 0x127 35: 48 83 c4 60 add $0x60,%rsp 39: 5b pop %rbx 3a: 41 5c pop %r12 3c: 41 5d pop %r13 3e: 41 5e pop %r14