watchdog: BUG: soft lockup - CPU#1 stuck for 23s! [syz-executor.1:8521] Modules linked in: irq event stamp: 4330735 hardirqs last enabled at (4330734): [] asm_sysvec_apic_timer_interrupt+0x1a/0x20 hardirqs last disabled at (4330735): [] sysvec_apic_timer_interrupt+0xf/0xc0 softirqs last enabled at (4220902): [] __irq_exit_rcu+0x11b/0x180 softirqs last disabled at (4220905): [] __irq_exit_rcu+0x11b/0x180 CPU: 1 PID: 8521 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:lock_acquire.part.0+0x14d/0x340 Code: 87 84 48 83 c4 20 e8 72 53 14 03 b8 ff ff ff ff 65 0f c1 05 bd 6c d6 7e 83 f8 01 0f 85 9f 01 00 00 48 85 ed 0f 85 90 01 00 00 <48> b8 00 00 00 00 00 fc ff df 48 01 c3 48 c7 03 00 00 00 00 48 c7 RSP: 0018:ffff88806cf09740 EFLAGS: 00000206 RAX: 0000000000000001 RBX: 1ffff1100d9e12ea RCX: 00000000fdbb4db1 RDX: 1ffff110090027db RSI: 0000000000000101 RDI: 0000000000000000 RBP: 0000000000000200 R08: 0000000000000000 R09: ffffffff876358c7 R10: fffffbfff0ec6b18 R11: 0000000000000001 R12: 0000000000000002 R13: 0000000000000000 R14: 0000000000000000 R15: ffffffff85608660 FS: 00007f27725ac700(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f277258b718 CR3: 000000000fe4c000 CR4: 0000000000350ee0 Call Trace: __is_insn_slot_addr+0x41/0x250 kernel_text_address+0x5b/0xc0 __kernel_text_address+0xd/0x40 unwind_get_return_address+0x59/0xa0 arch_stack_walk+0x9d/0xf0 stack_trace_save+0x90/0xd0 kasan_save_stack+0x22/0x50 __kasan_record_aux_stack+0x95/0xb0 __call_rcu_common.constprop.0+0x6a/0x9f0 kmem_cache_free+0xc1/0x610 kfree_skbmem+0xef/0x1b0 consume_skb+0xd8/0x170 mac80211_hwsim_tx_frame+0x1f6/0x2a0 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:unwind_next_frame+0x1c2/0x2130 Code: 8d 43 ff 39 c6 0f 83 8c 15 00 00 48 b8 00 00 00 00 00 fc ff df 89 f2 48 8d 3c 95 d4 50 49 86 48 89 f9 48 c1 e9 03 0f b6 0c 01 <48> 89 f8 83 e0 07 83 c0 03 38 c8 7c 27 84 c9 74 23 48 89 54 24 28 RSP: 0018:ffff88803efbf9e0 EFLAGS: 00000213 RAX: dffffc0000000000 RBX: 0000000000000001 RCX: 0000000000000000 RDX: 000000000000383c RSI: 000000000000383c RDI: ffffffff864a31c4 RBP: ffff88803efbfab8 R08: ffffffff860440f0 R09: ffffffff860440f4 R10: ffffed1007df7f59 R11: 0000000000038001 R12: ffff88803efbfaa1 R13: ffff88803efbfac0 R14: ffff88803efbfa60 R15: ffffffff81383c1f arch_stack_walk+0x87/0xf0 stack_trace_save+0x90/0xd0 set_track_prepare+0x74/0xd0 __create_object+0x3b4/0xc40 kmemleak_alloc_percpu+0xa5/0x140 pcpu_alloc+0x7ec/0x1090 percpu_ref_init+0x35/0x400 ioctx_alloc+0x2ac/0x1eb0 __x64_sys_io_setup+0x138/0x300 do_syscall_64+0x3f/0x90 entry_SYSCALL_64_after_hwframe+0x72/0xdc RIP: 0033:0x7f2775036b19 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:00007f27725ac188 EFLAGS: 00000246 ORIG_RAX: 00000000000000ce RAX: ffffffffffffffda RBX: 00007f2775149f60 RCX: 00007f2775036b19 RDX: 0000000000000000 RSI: 0000000020000140 RDI: 0000000000000009 RBP: 00007f2775090f6d R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007fff33f7a47f R14: 00007f27725ac300 R15: 0000000000022000 Sending NMI from CPU 1 to CPUs 0: NMI backtrace for cpu 0 CPU: 0 PID: 8513 Comm: syz-executor.4 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:lapic_next_deadline+0x25/0x50 Code: 90 90 90 90 90 f3 0f 1e fa 0f ae f0 0f ae e8 0f 31 48 c1 e2 20 b9 e0 06 00 00 48 09 c2 48 8d 04 fa 48 89 c2 48 c1 ea 20 0f 30 <66> 90 31 c0 e9 16 76 32 03 48 89 c6 31 d2 bf e0 06 00 00 e8 d3 7a RSP: 0018:ffff88806ce098a0 EFLAGS: 00000012 RAX: 0000015129481010 RBX: 0000000000000000 RCX: 00000000000006e0 RDX: 0000000000000151 RSI: ffff88806ce28100 RDI: 000000000000052e RBP: ffff88806ce28100 R08: 0000000000000007 R09: 0000000000000000 R10: 0000000000000ed4 R11: 0000000000000001 R12: 000000000000052e R13: 0000000000000000 R14: 0000000000000000 R15: ffff88806ce2b840 FS: 00007f160f03b700(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f3ccc1f3ae0 CR3: 000000003f536000 CR4: 0000000000350ef0 Call Trace: clockevents_program_event+0x248/0x360 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:kmem_cache_alloc+0x172/0x410 Code: 85 7e 48 8b 50 08 48 83 78 10 00 4c 8b 00 0f 84 df 01 00 00 4d 85 c0 0f 84 d6 01 00 00 41 8b 44 24 28 49 8b 3c 24 49 8b 1c 00 <40> f6 c7 0f 0f 85 e7 01 00 00 48 8d 4a 40 4c 89 c0 65 48 0f c7 0f RSP: 0018:ffff88806ce09a80 EFLAGS: 00000282 RAX: 0000000000000078 RBX: ffff88801ebeee40 RCX: 0000000000000000 RDX: 0000000015e6f100 RSI: 00000000000000f0 RDI: 000000000003d880 RBP: 0000000000000000 R08: ffff88801ebeed10 R09: 0000000000000000 R10: ffff88806c6159d0 R11: 0000000000000001 R12: ffff88800844f780 R13: ffffffff8180b77d R14: 0000000000092a20 R15: 00000000000000f0 __create_object+0x3d/0xc40 kmem_cache_alloc_node+0x283/0x420 __alloc_skb+0x21a/0x310 __netdev_alloc_skb+0x76/0x3e0 __ieee80211_beacon_get+0x3d9/0x1310 ieee80211_beacon_get_tim+0x99/0x4f0 mac80211_hwsim_beacon_tx+0x1d2/0xab0 __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:filemap_free_folio+0x55/0x1e0 Code: 80 3c 02 00 0f 85 70 01 00 00 48 8b 9b b0 01 00 00 48 b8 00 00 00 00 00 fc ff df 48 8d 7b 50 48 89 fa 48 c1 ea 03 80 3c 02 00 <0f> 85 61 01 00 00 48 8b 5b 50 48 85 db 74 0d e8 07 99 e9 ff 48 89 RSP: 0018:ffff8880478d7550 EFLAGS: 00000246 RAX: dffffc0000000000 RBX: ffffffff8493ad20 RCX: ffffc90003019000 RDX: 1ffffffff09275ae RSI: ffffffff815f9453 RDI: ffffffff8493ad70 RBP: ffffea0000ccb400 R08: 0000000000000001 R09: 0000000000000000 R10: 000000000000000f R11: 0000000000000001 R12: ffff8880478d77b0 R13: dffffc0000000000 R14: 0000000000000000 R15: ffff888019d6b688 delete_from_page_cache_batch+0x808/0xbd0 truncate_inode_pages_range+0x258/0xdf0 truncate_pagecache+0x67/0x90 ext4_setattr+0xdd1/0x2700 notify_change+0xca5/0x1400 do_truncate+0x143/0x200 path_openat+0x20cc/0x29b0 do_filp_open+0x1ba/0x410 do_sys_openat2+0x171/0x4c0 __x64_sys_creat+0xcd/0x120 do_syscall_64+0x3f/0x90 entry_SYSCALL_64_after_hwframe+0x72/0xdc RIP: 0033:0x7f1611ae6b19 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:00007f160f03b188 EFLAGS: 00000246 ORIG_RAX: 0000000000000055 RAX: ffffffffffffffda RBX: 00007f1611bfa020 RCX: 00007f1611ae6b19 RDX: 0000000000000000 RSI: 0000000000000119 RDI: 0000000020000240 RBP: 00007f1611b40f6d R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffebf842e1f R14: 00007f160f03b300 R15: 0000000000022000 Bluetooth: hci4: command 0x0406 tx timeout ---------------- Code disassembly (best guess): 0: 87 84 48 83 c4 20 e8 xchg %eax,-0x17df3b7d(%rax,%rcx,2) 7: 72 53 jb 0x5c 9: 14 03 adc $0x3,%al b: b8 ff ff ff ff mov $0xffffffff,%eax 10: 65 0f c1 05 bd 6c d6 xadd %eax,%gs:0x7ed66cbd(%rip) # 0x7ed66cd5 17: 7e 18: 83 f8 01 cmp $0x1,%eax 1b: 0f 85 9f 01 00 00 jne 0x1c0 21: 48 85 ed test %rbp,%rbp 24: 0f 85 90 01 00 00 jne 0x1ba * 2a: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax <-- trapping instruction 31: fc ff df 34: 48 01 c3 add %rax,%rbx 37: 48 c7 03 00 00 00 00 movq $0x0,(%rbx) 3e: 48 rex.W 3f: c7 .byte 0xc7