Bluetooth: hci0: command 0x0406 tx timeout Bluetooth: hci7: command 0x0406 tx timeout watchdog: BUG: soft lockup - CPU#0 stuck for 22s! [syz-executor.1:7197] Modules linked in: irq event stamp: 5259587 hardirqs last enabled at (5259586): [] asm_sysvec_apic_timer_interrupt+0x1a/0x20 hardirqs last disabled at (5259587): [] sysvec_apic_timer_interrupt+0xf/0x90 softirqs last enabled at (5259012): [] tcp_metrics_flush_all+0x25c/0x370 softirqs last disabled at (5259013): [] do_softirq+0x48/0x80 CPU: 0 PID: 7197 Comm: syz-executor.1 Tainted: G L 6.4.0-rc3-next-20230525 #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 RIP: 0010:unwind_next_frame+0x360/0x2480 Code: 00 00 fc ff df 4c 89 fa 48 c1 ea 03 0f b6 04 02 84 c0 74 08 3c 03 0f 8e 55 17 00 00 41 c7 07 00 00 00 00 31 c0 48 83 c4 38 5b <5d> 41 5c 41 5d 41 5e 41 5f e9 e2 7a 3d 03 48 81 f9 00 d0 5f 86 0f RSP: 0018:ffff88806ce097f0 EFLAGS: 00000286 RAX: 0000000000000001 RBX: ffffffff813ac430 RCX: 0000000000000001 RDX: ffff88806ce09da0 RSI: ffff88806ce09d68 RDI: ffff88806ce09830 RBP: ffff88806ce02000 R08: ffffffff8633ff0e R09: ffffffff8633ff12 R10: 0000000000038001 R11: ffff88806ce09860 R12: ffff88806ce09880 R13: ffff88806ce09868 R14: ffff88806ce09d68 R15: ffff88806ce09820 FS: 00007f4e14bce700(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fa75b18c998 CR3: 000000004271a000 CR4: 0000000000350ef0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000600 Call Trace: arch_stack_walk+0x87/0xf0 stack_trace_save+0x90/0xd0 set_track_prepare+0x74/0xd0 __create_object+0x3b2/0xc90 kmem_cache_alloc_node+0x229/0x3a0 kmalloc_reserve+0x169/0x270 __alloc_skb+0x129/0x330 __netdev_alloc_skb+0x72/0x370 __ieee80211_beacon_get+0x3f6/0xfc0 ieee80211_beacon_get_tim+0xa1/0x550 mac80211_hwsim_beacon_tx+0x402/0x730 __iterate_interfaces+0x2d3/0x580 ieee80211_iterate_active_interfaces_atomic+0x73/0x1c0 mac80211_hwsim_beacon+0x105/0x200 __hrtimer_run_queues+0x59d/0xb60 hrtimer_run_softirq+0x14c/0x310 __do_softirq+0x1b7/0x7d4 do_softirq+0x48/0x80 __local_bh_enable_ip+0xed/0x110 tcp_metrics_flush_all+0x25c/0x370 ops_exit_list+0x12b/0x180 setup_net+0x5ea/0x990 copy_net_ns+0x321/0x770 create_new_namespaces+0x3f6/0xb30 copy_namespaces+0x414/0x500 copy_process+0x2b78/0x73b0 kernel_clone+0xeb/0x7d0 __do_sys_clone3+0x1d5/0x250 do_syscall_64+0x3f/0x90 entry_SYSCALL_64_after_hwframe+0x72/0xdc RIP: 0033:0x7f4e17658b19 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:00007f4e14bce188 EFLAGS: 00000246 ORIG_RAX: 00000000000001b3 RAX: ffffffffffffffda RBX: 00007f4e1776bf60 RCX: 00007f4e17658b19 RDX: 0000000000000000 RSI: 0000000000000058 RDI: 0000000020004c00 RBP: 00007f4e176b2f6d R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffdd8a6614f R14: 00007f4e14bce300 R15: 0000000000022000 Sending NMI from CPU 0 to CPUs 1: NMI backtrace for cpu 1 skipped: idling at default_idle+0xf/0x20 hpet: Lost 4 RTC interrupts ---------------- Code disassembly (best guess), 4 bytes skipped: 0: df 4c 89 fa fisttps -0x6(%rcx,%rcx,4) 4: 48 c1 ea 03 shr $0x3,%rdx 8: 0f b6 04 02 movzbl (%rdx,%rax,1),%eax c: 84 c0 test %al,%al e: 74 08 je 0x18 10: 3c 03 cmp $0x3,%al 12: 0f 8e 55 17 00 00 jle 0x176d 18: 41 c7 07 00 00 00 00 movl $0x0,(%r15) 1f: 31 c0 xor %eax,%eax 21: 48 83 c4 38 add $0x38,%rsp 25: 5b pop %rbx * 26: 5d pop %rbp <-- trapping instruction 27: 41 5c pop %r12 29: 41 5d pop %r13 2b: 41 5e pop %r14 2d: 41 5f pop %r15 2f: e9 e2 7a 3d 03 jmpq 0x33d7b16 34: 48 81 f9 00 d0 5f 86 cmp $0xffffffff865fd000,%rcx 3b: 0f .byte 0xf