Bluetooth: hci0: command 0x0406 tx timeout watchdog: BUG: soft lockup - CPU#0 stuck for 22s! [syz-executor.1:8779] Modules linked in: irq event stamp: 3183739 hardirqs last enabled at (3183738): [] asm_sysvec_apic_timer_interrupt+0x1a/0x20 hardirqs last disabled at (3183739): [] sysvec_apic_timer_interrupt+0xf/0xc0 softirqs last enabled at (3172048): [] __irq_exit_rcu+0x11b/0x180 softirqs last disabled at (3172051): [] __irq_exit_rcu+0x11b/0x180 CPU: 0 PID: 8779 Comm: syz-executor.1 Not tainted 6.1.0-next-20221219 #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 RIP: 0010:stack_trace_consume_entry+0xd7/0x170 Code: 02 00 0f 85 9a 00 00 00 8d 45 01 89 43 10 48 8b 03 48 8d 2c e8 48 b8 00 00 00 00 00 fc ff df 48 89 ea 48 c1 ea 03 80 3c 02 00 <75> 64 48 89 75 00 8b 43 08 39 43 10 0f 92 c0 48 83 c4 08 5b 5d e9 RSP: 0018:ffff88806ce09650 EFLAGS: 00000246 RAX: dffffc0000000000 RBX: ffff88806ce09738 RCX: 0000000000000000 RDX: 1ffff1100d9c1300 RSI: ffffffff840ffa13 RDI: ffff88806ce09744 RBP: ffff88806ce09800 R08: ffffffff862f0978 R09: ffffffff862f097c R10: ffffed100d9c12db R11: ffff88806ce096b0 R12: ffff88806ce09738 R13: 0000000000000000 R14: ffff8880203c9ac0 R15: 00000000000000f0 FS: 0000000000000000(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fa81e783000 CR3: 0000000021f84000 CR4: 0000000000350ef0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000600 Call Trace: arch_stack_walk+0x77/0xf0 stack_trace_save+0x90/0xd0 kasan_save_stack+0x22/0x50 kasan_set_track+0x25/0x30 __kasan_slab_alloc+0x5c/0x70 kmem_cache_alloc+0x1e1/0x410 __create_object+0x3d/0xc40 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:unmap_page_range+0x2010/0x2c10 Code: f7 e8 c4 33 10 00 4c 89 f0 4c 89 f2 48 c1 e8 03 83 e2 07 0f b6 04 28 83 c2 03 38 c2 7c 08 84 c0 0f 85 ff 03 00 00 41 8b 45 30 08 00 00 00 4c 89 ef 89 44 24 30 8d 58 01 e8 8c 33 10 00 4c 89 RSP: 0018:ffff888016db7700 EFLAGS: 00000246 RAX: 0000000000000001 RBX: 0000000000000000 RCX: ffffffff816d224c RDX: 0000000000000003 RSI: 0000000000000004 RDI: ffffea0000d500f0 RBP: dffffc0000000000 R08: 0000000000000000 R09: ffffea0000d500f3 R10: fffff940001aa01e R11: 0000000000000001 R12: ffff888040123b40 R13: ffffea0000d500c0 R14: ffffea0000d500f0 R15: ffff888016db7ad8 unmap_single_vma+0x190/0x2a0 unmap_vmas+0x226/0x380 exit_mmap+0x158/0x680 mmput+0xd5/0x390 do_exit+0x99b/0x2760 do_group_exit+0xd4/0x2a0 get_signal+0x21b7/0x22f0 arch_do_signal_or_restart+0x79/0x5a0 exit_to_user_mode_prepare+0x131/0x1a0 syscall_exit_to_user_mode+0x1d/0x50 do_syscall_64+0x4c/0x90 entry_SYSCALL_64_after_hwframe+0x72/0xdc RIP: 0033:0x7f5854e8eb19 Code: Unable to access opcode bytes at 0x7f5854e8eaef. RSP: 002b:00007f5852403f48 EFLAGS: 00000246 ORIG_RAX: 000000000000013f RAX: 0000000000000007 RBX: 0000000020000040 RCX: 00007f5854e8eb19 RDX: 0000000010020000 RSI: 0000000000000000 RDI: 00007f5854ee80fb RBP: 0000000000000002 R08: 0000020000010000 R09: 0000000000000000 R10: 0000000000000002 R11: 0000000000000246 R12: 0000000008100000 R13: 00000000200000c0 R14: 0000000008100000 R15: 0000000020000040 Sending NMI from CPU 0 to CPUs 1: NMI backtrace for cpu 1 CPU: 1 PID: 8754 Comm: syz-executor.2 Not tainted 6.1.0-next-20221219 #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 RIP: 0010:__lock_acquire+0xd6d/0x5e70 Code: 01 00 00 00 0f 86 c1 00 00 00 89 05 9d e1 f0 05 e9 b6 00 00 00 48 b8 00 00 00 00 00 fc ff df 4c 89 f2 48 c1 ea 03 80 3c 02 00 <0f> 85 46 35 00 00 49 81 3e e0 f3 f1 86 0f 84 63 f3 ff ff 83 fe 01 RSP: 0018:ffff88806cf095a8 EFLAGS: 00000046 RAX: dffffc0000000000 RBX: 1ffff1100d9e12e4 RCX: 0000000000000002 RDX: 1ffffffff0ac4f79 RSI: 0000000000000000 RDI: 0000000000000001 RBP: 0000000000000000 R08: 0000000000000001 R09: 0000000000000001 R10: fffffbfff0ba1252 R11: 0000000000000001 R12: ffff888019e8b580 R13: 0000000000000001 R14: ffffffff85627bc8 R15: 0000000000000002 FS: 0000000000000000(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000055a46abbf9ec CR3: 00000000102b8000 CR4: 0000000000350ee0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000600 Call Trace: lock_acquire.part.0+0x11e/0x340 ktime_get+0x80/0x1f0 clockevents_program_event+0x14f/0x360 tick_program_event+0xb0/0x150 hrtimer_interrupt+0x36a/0x770 __sysvec_apic_timer_interrupt+0x148/0x500 sysvec_apic_timer_interrupt+0x3f/0xc0 asm_sysvec_apic_timer_interrupt+0x1a/0x20 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 ce 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:ffff88806cf09a28 EFLAGS: 00000202 RAX: 0000000000000000 RBX: 0000000000000001 RCX: ffffffff8442783b RDX: fffffbfff0b48541 RSI: 0000000000000004 RDI: ffffffff85a42a00 RBP: ffffffff85a42a00 R08: 0000000000000000 R09: ffffffff85a42a03 R10: fffffbfff0b48540 R11: 0000000000000001 R12: 0000000000000003 R13: fffffbfff0b48540 R14: 0000000000000001 R15: 1ffff1100d9e1346 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:__sanitizer_cov_trace_pc+0x3b/0x70 Code: 81 e1 00 01 00 00 65 48 8b 14 25 00 89 03 00 a9 00 01 ff 00 74 0e 85 c9 74 35 8b 82 0c 14 00 00 85 c0 74 2b 8b 82 e8 13 00 00 <83> f8 02 75 20 48 8b 8a f0 13 00 00 8b 92 ec 13 00 00 48 8b 01 48 RSP: 0018:ffff88804740f6e8 EFLAGS: 00000246 RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000 RDX: ffff888019e8b580 RSI: ffffffff816d1ca6 RDI: 0000000000000001 RBP: dffffc0000000000 R08: 0000000000000001 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000001 R12: ffff88801f78e2e0 R13: ffffea0000ddde40 R14: 0000000000000000 R15: ffff88804740fac8 unmap_page_range+0x1a46/0x2c10 unmap_single_vma+0x190/0x2a0 unmap_vmas+0x226/0x380 exit_mmap+0x158/0x680 mmput+0xd5/0x390 do_exit+0x99b/0x2760 do_group_exit+0xd4/0x2a0 get_signal+0x21b7/0x22f0 arch_do_signal_or_restart+0x79/0x5a0 exit_to_user_mode_prepare+0x131/0x1a0 irqentry_exit_to_user_mode+0x9/0x30 exc_page_fault+0xc8/0x1a0 asm_exc_page_fault+0x26/0x30 RIP: 0033:0x7f41b27f1361 Code: Unable to access opcode bytes at 0x7f41b27f1337. RSP: 002b:00007f41afdc4fb0 EFLAGS: 00010202 RAX: 00007f41b27f1350 RBX: 00007f41b2962f60 RCX: 0000000000000000 RDX: 0000000000000000 RSI: 0000000020000100 RDI: 0000000000000000 RBP: 00007f41b28a9f6d R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000175608 R12: 0000000000000000 R13: 00007ffd2ce32f3f R14: 00007f41afdc5300 R15: 0000000000022000 ---------------- Code disassembly (best guess): 0: 02 00 add (%rax),%al 2: 0f 85 9a 00 00 00 jne 0xa2 8: 8d 45 01 lea 0x1(%rbp),%eax b: 89 43 10 mov %eax,0x10(%rbx) e: 48 8b 03 mov (%rbx),%rax 11: 48 8d 2c e8 lea (%rax,%rbp,8),%rbp 15: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax 1c: fc ff df 1f: 48 89 ea mov %rbp,%rdx 22: 48 c1 ea 03 shr $0x3,%rdx 26: 80 3c 02 00 cmpb $0x0,(%rdx,%rax,1) * 2a: 75 64 jne 0x90 <-- trapping instruction 2c: 48 89 75 00 mov %rsi,0x0(%rbp) 30: 8b 43 08 mov 0x8(%rbx),%eax 33: 39 43 10 cmp %eax,0x10(%rbx) 36: 0f 92 c0 setb %al 39: 48 83 c4 08 add $0x8,%rsp 3d: 5b pop %rbx 3e: 5d pop %rbp 3f: e9 .byte 0xe9