rcu: INFO: rcu_preempt detected stalls on CPUs/tasks: rcu: 0-....: (25 ticks this GP) idle=de44/1/0x4000000000000000 softirq=289418/289418 fqs=20510 rcu: (detected by 1, t=105003 jiffies, g=372809, q=81969 ncpus=2) Sending NMI from CPU 1 to CPUs 0: NMI backtrace for cpu 0 CPU: 0 PID: 6672 Comm: syz-executor.7 Not tainted 6.5.0-rc5-next-20230808 #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 RIP: 0010:default_send_IPI_self+0x29/0xf0 Code: 90 f3 0f 1e fa 55 53 83 ff 02 74 61 a0 60 f8 eb ff ff fb ff ff 89 fb 84 c0 74 08 3c 03 0f 8e 97 00 00 00 8b 04 25 00 c3 5f ff <48> bd 60 f8 eb ff ff fb ff ff f6 c4 10 74 1e f3 90 0f b6 45 00 84 RSP: 0018:ffff88806ce093d0 EFLAGS: 00000046 RAX: 00000000000400f6 RBX: 00000000000000f6 RCX: 0000000000000100 RDX: 1ffffffff0a5f1a3 RSI: ffffffff8109877e RDI: 00000000000000f6 RBP: ffffffff852f8cc0 R08: 0000000000000001 R09: 0000000000000000 R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000000001 R13: ffff88806ce3a5b0 R14: 0000000000000000 R15: 0000000000000000 FS: 00007f33ab6e5700(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f12f8c173a4 CR3: 00000000396e2000 CR4: 0000000000350ef0 Call Trace: arch_irq_work_raise+0xa4/0x130 __irq_work_queue_local+0xc1/0x2f0 irq_work_queue_on+0x122/0x130 __rcu_read_unlock+0x3f0/0x4f0 perf_event_output_forward+0x21c/0x3c0 __perf_event_overflow+0x4c2/0x9e0 perf_swevent_event+0x2c6/0x3f0 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 80 8d 03 00 48 8d bb f4 03 00 00 48 b8 00 00 00 00 RSP: 0018:ffff88806ce09ab0 EFLAGS: 00000206 RAX: 0000000000048eaa RBX: ffff88806ce3a580 RCX: ffffffff812e352f RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffffff8138a9b1 RBP: ffffffff85618c00 R08: 0000000000000001 R09: fffffbfff0eea77e R10: ffffffff87753bf7 R11: 0000000000000001 R12: 0000000000000001 R13: ffff88800dfe6200 R14: 0000000000000200 R15: ffff88800dfe6280 dev_gro_receive+0x1216/0x2690 napi_gro_receive+0x260/0xa20 e1000_clean_rx_irq+0x5f8/0x1130 e1000_clean+0x968/0x2510 __napi_poll+0xbd/0x6b0 net_rx_action+0x8a3/0xc40 __do_softirq+0x1b7/0x7d4 irq_exit_rcu+0x93/0xc0 sysvec_apic_timer_interrupt+0x6e/0x90 asm_sysvec_apic_timer_interrupt+0x1a/0x20 RIP: 0010:generic_exec_single+0x90/0x540 Code: 56 5d 92 04 0f 92 c3 31 ff 89 de e8 fa e7 0a 00 84 db 0f 84 f4 03 00 00 e8 ad ec 0a 00 4c 89 e6 89 ef 45 31 e4 e8 10 fb ff ff 9b ec 0a 00 44 89 e0 5b 5d 41 5c 41 5d 41 5e e9 8b 8e 1b 03 e8 RSP: 0018:ffff88801542fb10 EFLAGS: 00000202 RAX: 000000000000012f RBX: 0000000000000200 RCX: ffffffff812e352f RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffffff8142c027 RBP: 0000000000000001 R08: 0000000000000001 R09: fffffbfff0eea77e R10: ffffffff87753bf7 R11: 0000000000000001 R12: 0000000000000000 R13: ffff88801542fc38 R14: ffff88801542fb88 R15: ffff88803b3eb694 smp_call_function_single+0x327/0x410 task_function_call+0xe5/0x180 perf_install_in_context+0x2cb/0x570 __do_sys_perf_event_open+0x1903/0x2ae0 do_syscall_64+0x3f/0x90 entry_SYSCALL_64_after_hwframe+0x6e/0xd8 RIP: 0033:0x7f33ae16fb19 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:00007f33ab6e5188 EFLAGS: 00000246 ORIG_RAX: 000000000000012a RAX: ffffffffffffffda RBX: 00007f33ae282f60 RCX: 00007f33ae16fb19 RDX: ffffffffffffffff RSI: 0000000000000000 RDI: 0000000020000580 RBP: 00007f33ae1c9f6d R08: 0000000000000000 R09: 0000000000000000 R10: ffffffffffffffff R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffdd0a38fcf R14: 00007f33ab6e5300 R15: 0000000000022000 ---------------- Code disassembly (best guess): 0: 90 nop 1: f3 0f 1e fa endbr64 5: 55 push %rbp 6: 53 push %rbx 7: 83 ff 02 cmp $0x2,%edi a: 74 61 je 0x6d c: a0 60 f8 eb ff ff fb movabs 0xfffffbffffebf860,%al 13: ff ff 15: 89 fb mov %edi,%ebx 17: 84 c0 test %al,%al 19: 74 08 je 0x23 1b: 3c 03 cmp $0x3,%al 1d: 0f 8e 97 00 00 00 jle 0xba 23: 8b 04 25 00 c3 5f ff mov 0xffffffffff5fc300,%eax * 2a: 48 bd 60 f8 eb ff ff movabs $0xfffffbffffebf860,%rbp <-- trapping instruction 31: fb ff ff 34: f6 c4 10 test $0x10,%ah 37: 74 1e je 0x57 39: f3 90 pause 3b: 0f b6 45 00 movzbl 0x0(%rbp),%eax 3f: 84 .byte 0x84