Bluetooth: hci5: command 0x0406 tx timeout Bluetooth: hci0: command 0x0406 tx timeout Bluetooth: hci2: command 0x0406 tx timeout Bluetooth: hci4: command 0x0406 tx timeout watchdog: BUG: soft lockup - CPU#1 stuck for 22s! [syz-executor.6:12756] Modules linked in: irq event stamp: 3677313 hardirqs last enabled at (3677312): [] irqentry_exit+0x3b/0x90 hardirqs last disabled at (3677313): [] sysvec_apic_timer_interrupt+0xf/0x80 softirqs last enabled at (3620062): [] handle_softirqs+0x50c/0x770 softirqs last disabled at (3620065): [] irq_exit_rcu+0x94/0xc0 CPU: 1 UID: 0 PID: 12756 Comm: syz-executor.6 Not tainted 6.12.0-rc3-next-20241016 #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 RIP: 0010:stack_trace_consume_entry+0x7e/0x170 Code: 0f 8e ad 00 00 00 31 c0 3b 6b 08 0f 83 81 00 00 00 48 b8 00 00 00 00 00 fc ff df 48 8d 7b 0c 48 89 fa 48 c1 ea 03 0f b6 14 02 <48> 89 f8 83 e0 07 83 c0 03 38 d0 7c 08 84 d2 0f 85 98 00 00 00 8b RSP: 0018:ffff88806cf09678 EFLAGS: 00000217 RAX: dffffc0000000000 RBX: ffff88806cf09760 RCX: 0000000000000001 RDX: 0000000000000000 RSI: ffffffff838d7602 RDI: ffff88806cf0976c RBP: 0000000000000005 R08: 0000000000000001 R09: ffff88806cf096d8 R10: 000000000003c001 R11: 0000000000094fd1 R12: ffff88806cf09760 R13: 0000000000000000 R14: ffff88801531d280 R15: 0000000000082820 FS: 00007f6608f8a700(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00005626cb72e0c8 CR3: 0000000038f7c000 CR4: 0000000000350ef0 Call Trace: arch_stack_walk+0x77/0xf0 stack_trace_save+0x8f/0xc0 kasan_save_stack+0x24/0x50 kasan_save_track+0x14/0x30 __kasan_slab_alloc+0x59/0x70 kmem_cache_alloc_node_noprof+0x14c/0x3e0 kmalloc_reserve+0x189/0x2b0 __alloc_skb+0x162/0x370 __netdev_alloc_skb+0x7a/0x7a0 __ieee80211_beacon_get+0x3f4/0xfc0 ieee80211_beacon_get_tim+0xa6/0x280 mac80211_hwsim_beacon_tx+0x49b/0x950 __iterate_interfaces+0x2cb/0x5d0 ieee80211_iterate_active_interfaces_atomic+0x71/0x1b0 mac80211_hwsim_beacon+0x105/0x200 __hrtimer_run_queues+0x1ab/0xa70 hrtimer_run_softirq+0x14c/0x310 handle_softirqs+0x1b1/0x770 irq_exit_rcu+0x94/0xc0 sysvec_apic_timer_interrupt+0x70/0x80 asm_sysvec_apic_timer_interrupt+0x1a/0x20 RIP: 0010:qlist_free_all+0x96/0x160 Code: 0f 82 e0 00 00 00 48 c7 c2 00 00 00 80 48 2b 15 f8 ed f1 03 48 01 ca 48 c1 ea 0c 48 c1 e2 06 48 03 15 d6 ed f1 03 48 8b 72 08 <48> 89 d1 40 f6 c6 01 0f 85 a1 00 00 00 66 90 80 79 33 f5 ba 00 00 RSP: 0018:ffff88801e007b50 EFLAGS: 00000286 RAX: ffff88804100c800 RBX: ffff88804100c800 RCX: ffff8880c100c800 RDX: ffffea0001040300 RSI: ffffea0001040201 RDI: 0000000000080000 RBP: 0000000000000000 R08: ffff88803dfab780 R09: 00000000000c0008 R10: ffffea0000f7ea00 R11: 00000000000007e0 R12: 0000000000000000 R13: ffff88801e007b88 R14: ffff88803dfab780 R15: ffff88803dfab780 kasan_quarantine_reduce+0x19c/0x230 __kasan_slab_alloc+0x49/0x70 kmem_cache_alloc_noprof+0x13d/0x3d0 __alloc_object+0x2f/0x270 __create_object+0x1d/0x80 kmem_cache_alloc_noprof+0x300/0x3d0 security_file_alloc+0x35/0x130 init_file+0x95/0x230 alloc_empty_file+0x94/0x1e0 alloc_file_pseudo+0x139/0x200 __shmem_file_setup+0x214/0x310 __do_sys_memfd_create+0x4d7/0x980 do_syscall_64+0xbf/0x1d0 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f660ba14b19 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:00007f6608f89f48 EFLAGS: 00000246 ORIG_RAX: 000000000000013f RAX: ffffffffffffffda RBX: 00000000200007c0 RCX: 00007f660ba14b19 RDX: 0000000000000008 RSI: 0000000000000000 RDI: 00007f660ba6e0fb RBP: 0000000000000004 R08: 0000000000000004 R09: 0000000000000000 R10: 0000000000000004 R11: 0000000000000246 R12: 0000000008100000 R13: 0000000020000100 R14: 0000000000040000 R15: 0000000020012c00 Sending NMI from CPU 1 to CPUs 0: NMI backtrace for cpu 0 skipped: idling at default_idle+0x1e/0x30 ---------------- Code disassembly (best guess): 0: 0f 8e ad 00 00 00 jle 0xb3 6: 31 c0 xor %eax,%eax 8: 3b 6b 08 cmp 0x8(%rbx),%ebp b: 0f 83 81 00 00 00 jae 0x92 11: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax 18: fc ff df 1b: 48 8d 7b 0c lea 0xc(%rbx),%rdi 1f: 48 89 fa mov %rdi,%rdx 22: 48 c1 ea 03 shr $0x3,%rdx 26: 0f b6 14 02 movzbl (%rdx,%rax,1),%edx * 2a: 48 89 f8 mov %rdi,%rax <-- trapping instruction 2d: 83 e0 07 and $0x7,%eax 30: 83 c0 03 add $0x3,%eax 33: 38 d0 cmp %dl,%al 35: 7c 08 jl 0x3f 37: 84 d2 test %dl,%dl 39: 0f 85 98 00 00 00 jne 0xd7 3f: 8b .byte 0x8b