Bluetooth: hci5: command 0x0406 tx timeout watchdog: BUG: soft lockup - CPU#1 stuck for 22s! [syz-executor.4:6710] Modules linked in: irq event stamp: 4583009 hardirqs last enabled at (4583008): [] asm_sysvec_apic_timer_interrupt+0x1a/0x20 hardirqs last disabled at (4583009): [] sysvec_apic_timer_interrupt+0xf/0xc0 softirqs last enabled at (4532790): [] __irq_exit_rcu+0x11b/0x180 softirqs last disabled at (4532795): [] __irq_exit_rcu+0x11b/0x180 CPU: 1 PID: 6710 Comm: syz-executor.4 Not tainted 6.2.0-rc1-next-20221226 #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 RIP: 0010:_raw_spin_unlock_irqrestore+0x32/0x60 Code: 48 83 c7 18 53 48 89 f3 48 8b 74 24 10 e8 26 29 eb fc 48 89 ef e8 3e a0 eb fc 80 e7 02 74 06 e8 24 41 0f fd fb bf 01 00 00 00 09 fd e0 fc 65 8b 05 da d8 c2 7b 85 c0 74 07 5b 5d e9 4b 29 00 RSP: 0018:ffff88806cf09a88 EFLAGS: 00000206 RAX: 000000000045edca RBX: 0000000000000246 RCX: ffffffff812b3b2f RDX: 0000000000000000 RSI: 0000000000000102 RDI: 0000000000000001 RBP: ffffffff856d1620 R08: 0000000000000001 R09: ffffffff8763290f R10: fffffbfff0ec6521 R11: 0000000000000001 R12: ffff888008793dc0 R13: 0000000000000a20 R14: 0000000000000000 R15: 0000000000000a20 FS: 00007f0912cb1700(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f979a875038 CR3: 000000000cd34000 CR4: 0000000000350ee0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000600 Call Trace: kmem_cache_alloc_node+0x283/0x420 __alloc_skb+0x21a/0x310 skb_copy+0x13d/0x3d0 mac80211_hwsim_tx_frame_no_nl.isra.0+0xb6d/0x1360 mac80211_hwsim_tx_frame+0x1ee/0x2a0 mac80211_hwsim_beacon_tx+0x566/0xab0 __iterate_interfaces+0x2d3/0x560 ieee80211_iterate_active_interfaces_atomic+0x74/0x180 mac80211_hwsim_beacon+0x105/0x200 __hrtimer_run_queues+0x54b/0xc70 hrtimer_run_softirq+0x176/0x350 __do_softirq+0x1c7/0x8f9 __irq_exit_rcu+0x11b/0x180 irq_exit_rcu+0x9/0x30 sysvec_apic_timer_interrupt+0x92/0xc0 asm_sysvec_apic_timer_interrupt+0x1a/0x20 RIP: 0010:put_cpu_partial+0x115/0x1c0 Code: 39 43 28 75 61 48 c7 43 28 00 00 00 00 48 c7 c6 30 5f 7c 81 48 89 df e8 e9 79 af ff 48 85 ed 74 06 e8 ef 91 d3 ff fb 4d 85 ed <74> 21 5b 4c 89 ee 5d 4c 89 e7 41 5c 41 5d 41 5e 41 5f e9 54 fa ff RSP: 0018:ffff88800a2675a0 EFLAGS: 00000246 RAX: 0000000000452a39 RBX: ffff88806cf3db60 RCX: ffffffff812b3b2f RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 RBP: 0000000000000200 R08: 0000000000000001 R09: ffffffff87632937 R10: fffffbfff0ec6526 R11: 0000000000000001 R12: ffff8880084c6140 R13: 0000000000000000 R14: ffffea0001197480 R15: 0000000000000003 qlist_free_all+0x6d/0x1a0 kasan_quarantine_reduce+0x196/0x230 __kasan_slab_alloc+0x4c/0x70 kmem_cache_alloc+0x1e1/0x410 ptlock_alloc+0x21/0x70 pte_alloc_one+0x6c/0x200 __pte_alloc+0x6d/0x210 copy_page_range+0x1b90/0x4180 dup_mmap+0xa4a/0xfc0 copy_process+0x6ac7/0x7160 kernel_clone+0xeb/0x8a0 __do_sys_fork+0x80/0xc0 do_syscall_64+0x3f/0x90 entry_SYSCALL_64_after_hwframe+0x72/0xdc RIP: 0033:0x7f091573bb19 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:00007f0912cb1188 EFLAGS: 00000246 ORIG_RAX: 0000000000000039 RAX: ffffffffffffffda RBX: 00007f091584ef60 RCX: 00007f091573bb19 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 RBP: 00007f0915795f6d R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffe2403801f R14: 00007f0912cb1300 R15: 0000000000022000 Sending NMI from CPU 1 to CPUs 0: NMI backtrace for cpu 0 CPU: 0 PID: 0 Comm: swapper/0 Not tainted 6.2.0-rc1-next-20221226 #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 RIP: 0010:queued_spin_lock_slowpath+0x128/0xc80 Code: 00 00 00 65 48 2b 04 25 28 00 00 00 0f 85 cd 0a 00 00 48 81 c4 88 00 00 00 5b 5d 41 5c 41 5d 41 5e 41 5f e9 de 1f 00 00 f3 90 71 ff ff ff 44 8b 74 24 48 41 81 fe 00 01 00 00 0f 84 e5 00 00 RSP: 0018:ffff88806ce09a28 EFLAGS: 00000202 RAX: 0000000000000000 RBX: 0000000000000001 RCX: ffffffff8440b92b RDX: fffffbfff0b48571 RSI: 0000000000000004 RDI: ffffffff85a42b80 RBP: ffffffff85a42b80 R08: 0000000000000000 R09: ffffffff85a42b83 R10: fffffbfff0b48570 R11: 0000000000000001 R12: 0000000000000003 R13: fffffbfff0b48570 R14: 0000000000000001 R15: 1ffff1100d9c1346 FS: 0000000000000000(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f06232f1d58 CR3: 00000000168d2000 CR4: 0000000000350ef0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000600 Call Trace: do_raw_spin_lock+0x1e0/0x270 mac80211_hwsim_tx_frame_no_nl.isra.0+0x6f1/0x1360 mac80211_hwsim_tx_frame+0x1ee/0x2a0 mac80211_hwsim_beacon_tx+0x566/0xab0 __iterate_interfaces+0x2d3/0x560 ieee80211_iterate_active_interfaces_atomic+0x74/0x180 mac80211_hwsim_beacon+0x105/0x200 __hrtimer_run_queues+0x54b/0xc70 hrtimer_run_softirq+0x176/0x350 __do_softirq+0x1c7/0x8f9 __irq_exit_rcu+0x11b/0x180 irq_exit_rcu+0x9/0x30 sysvec_apic_timer_interrupt+0x92/0xc0 asm_sysvec_apic_timer_interrupt+0x1a/0x20 RIP: 0010:default_idle+0xf/0x20 Code: 70 01 fe cc cc cc cc cc cc cc cc 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 f3 0f 1e fa eb 07 0f 00 2d 43 e9 41 00 fb f4 80 44 00 00 66 66 2e 0f 1f 84 00 00 00 00 00 90 90 90 90 90 90 RSP: 0018:ffffffff85407e20 EFLAGS: 00000206 RAX: ffffffff844094f0 RBX: ffffffff854328c0 RCX: ffffffff843ea842 RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000000 RBP: 0000000000000000 R08: 0000000000000001 R09: ffff88806ce34f03 R10: ffffed100d9c69e0 R11: 0000000000000001 R12: fffffbfff0a86518 R13: ffffffff85d09410 R14: 0000000000000000 R15: dffffc0000000000 default_idle_call+0x88/0xd0 do_idle+0x3bd/0x530 cpu_startup_entry+0x18/0x20 rest_init+0x166/0x260 arch_call_rest_init+0x13/0x2c start_kernel+0x4a2/0x4c7 secondary_startup_64_no_verify+0xe0/0xeb ---------------- Code disassembly (best guess): 0: 48 83 c7 18 add $0x18,%rdi 4: 53 push %rbx 5: 48 89 f3 mov %rsi,%rbx 8: 48 8b 74 24 10 mov 0x10(%rsp),%rsi d: e8 26 29 eb fc callq 0xfceb2938 12: 48 89 ef mov %rbp,%rdi 15: e8 3e a0 eb fc callq 0xfceba058 1a: 80 e7 02 and $0x2,%bh 1d: 74 06 je 0x25 1f: e8 24 41 0f fd callq 0xfd0f4148 24: fb sti 25: bf 01 00 00 00 mov $0x1,%edi * 2a: e8 09 fd e0 fc callq 0xfce0fd38 <-- trapping instruction 2f: 65 8b 05 da d8 c2 7b mov %gs:0x7bc2d8da(%rip),%eax # 0x7bc2d910 36: 85 c0 test %eax,%eax 38: 74 07 je 0x41 3a: 5b pop %rbx 3b: 5d pop %rbp 3c: e9 .byte 0xe9 3d: 4b 29 00 rex.WXB sub %rax,(%r8)