hpet: Lost 8 RTC interrupts hpet: Lost 3 RTC interrupts hpet: Lost 6 RTC interrupts hpet: Lost 6 RTC interrupts hpet: Lost 1 RTC interrupts rcu: INFO: rcu_preempt detected stalls on CPUs/tasks: rcu: 0-....: (1 GPs behind) idle=f26c/1/0x4000000000000000 softirq=367254/367255 fqs=39916 rcu: (detected by 1, t=105002 jiffies, g=303621, q=37047 ncpus=2) Sending NMI from CPU 1 to CPUs 0: NMI backtrace for cpu 0 CPU: 0 PID: 6669 Comm: syz-executor.4 Not tainted 6.4.0-next-20230630 #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 RIP: 0010:__sanitizer_cov_trace_pc+0x20/0x70 Code: 90 90 90 90 90 90 90 90 90 90 f3 0f 1e fa 65 8b 05 7d 23 b7 7e 89 c1 48 8b 34 24 81 e1 00 01 00 00 65 48 8b 14 25 c0 8a 03 00 00 01 ff 00 74 0e 85 c9 74 35 8b 82 9c 14 00 00 85 c0 74 2b 8b RSP: 0018:ffff88806ce09698 EFLAGS: 00000006 RAX: 0000000000000101 RBX: 0000000000000000 RCX: 0000000000000100 RDX: ffff88804481d1c0 RSI: ffffffff81145683 RDI: 0000000000000007 RBP: 000000006ce3a2f0 R08: 0000000000000007 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000000 R13: 0000000000080000 R14: 0000000000000000 R15: 0000000000000008 FS: 00007f649edbb700(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000100000000 CR3: 000000000fd14000 CR4: 0000000000350ef0 Call Trace: __virt_addr_valid+0xe3/0x340 kasan_addr_to_slab+0xd/0xa0 __kasan_record_aux_stack+0xe/0xa0 irq_work_queue_on+0x8e/0x130 __rcu_read_unlock+0x3f0/0x4f0 perf_event_output_forward+0x21c/0x3c0 __perf_event_overflow+0x4c2/0x9e0 perf_swevent_event+0x344/0x550 perf_tp_event+0x2dd/0x1280 perf_trace_run_bpf_submit+0xf3/0x190 perf_trace_preemptirq_template+0x252/0x420 trace_hardirqs_on+0xce/0x100 asm_sysvec_irq_work+0x1a/0x20 RIP: 0010:__rcu_read_unlock+0xc8/0x4f0 Code: b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 0f b6 04 02 84 c0 74 08 3c 03 0f 8e 76 01 00 00 8b 85 f8 03 00 00 85 c0 75 58 <65> 48 8b 1c 25 c0 8a 03 00 48 8d bb f4 03 00 00 48 b8 00 00 00 00 RSP: 0018:ffff88806ce09db8 EFLAGS: 00000202 RAX: 00000000000219dc RBX: ffff88806ce3a2c0 RCX: ffffffff812d219f RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffffff81377ff1 RBP: ffffffff856165c0 R08: 0000000000000001 R09: fffffbfff0ef9d75 R10: ffffffff877cebaf R11: 0000000000000001 R12: 0000000000000001 R13: ffffffff83160e00 R14: 0000000000000200 R15: dffffc0000000000 ieee80211_iterate_active_interfaces_atomic+0x95/0x1c0 mac80211_hwsim_beacon+0x105/0x200 __hrtimer_run_queues+0x59d/0xb60 hrtimer_run_softirq+0x14c/0x310 __do_softirq+0x1b7/0x7d4 irq_exit_rcu+0x93/0xc0 sysvec_apic_timer_interrupt+0x6e/0x90 asm_sysvec_apic_timer_interrupt+0x1a/0x20 RIP: 0010:_raw_spin_unlock_irqrestore+0x34/0x50 Code: c7 18 53 48 89 f3 48 8b 74 24 10 e8 d6 ad d8 fc 48 89 ef e8 9e 2b d9 fc 80 e7 02 74 06 e8 d4 90 fe fc fb 65 ff 0d 64 74 ae 7b <74> 07 5b 5d e9 13 2a 00 00 0f 1f 44 00 00 5b 5d e9 07 2a 00 00 0f RSP: 0018:ffff8880435ffd78 EFLAGS: 00000246 RAX: 00000000000005b5 RBX: 0000000000000282 RCX: ffffffff812d219f RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffffff8455165c RBP: ffff88804208b800 R08: 0000000000000001 R09: fffffbfff0ef9d75 R10: ffffffff877cebaf R11: 0000000000000001 R12: 0000000000000282 R13: ffff88804481d1c0 R14: 0000000000000000 R15: ffff8880432f17c0 __do_sys_perf_event_open+0x1904/0x2a60 do_syscall_64+0x3f/0x90 entry_SYSCALL_64_after_hwframe+0x6e/0xd8 RIP: 0033:0x7f64a1845b19 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:00007f649edbb188 EFLAGS: 00000246 ORIG_RAX: 000000000000012a RAX: ffffffffffffffda RBX: 00007f64a1958f60 RCX: 00007f64a1845b19 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000020000580 RBP: 00007f64a189ff6d R08: 0000000000000000 R09: 0000000000000000 R10: ffffffffffffffff R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffd27c6945f R14: 00007f649edbb300 R15: 0000000000022000 ---------------- Code disassembly (best guess): 0: 90 nop 1: 90 nop 2: 90 nop 3: 90 nop 4: 90 nop 5: 90 nop 6: 90 nop 7: 90 nop 8: 90 nop 9: 90 nop a: f3 0f 1e fa endbr64 e: 65 8b 05 7d 23 b7 7e mov %gs:0x7eb7237d(%rip),%eax # 0x7eb72392 15: 89 c1 mov %eax,%ecx 17: 48 8b 34 24 mov (%rsp),%rsi 1b: 81 e1 00 01 00 00 and $0x100,%ecx 21: 65 48 8b 14 25 c0 8a mov %gs:0x38ac0,%rdx 28: 03 00 * 2a: a9 00 01 ff 00 test $0xff0100,%eax <-- trapping instruction 2f: 74 0e je 0x3f 31: 85 c9 test %ecx,%ecx 33: 74 35 je 0x6a 35: 8b 82 9c 14 00 00 mov 0x149c(%rdx),%eax 3b: 85 c0 test %eax,%eax 3d: 74 2b je 0x6a 3f: 8b .byte 0x8b