rcu: INFO: rcu_preempt detected stalls on CPUs/tasks: rcu: 0-....: (7 ticks this GP) idle=485/1/0x4000000000000000 softirq=87549/87549 fqs=2102 (detected by 1, t=10504 jiffies, g=132025, q=1010) Sending NMI from CPU 1 to CPUs 0: NMI backtrace for cpu 0 CPU: 0 PID: 29914 Comm: syz.3.6711 Not tainted syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025 RIP: 0010:perf_swevent_put_recursion_context kernel/events/core.c:9750 [inline] RIP: 0010:perf_tp_event+0xa3f/0xb50 kernel/events/core.c:10080 Code: 00 e8 05 92 12 08 41 89 c6 89 c3 bf 08 00 00 00 89 c6 e8 84 e3 e0 ff 41 83 fe 07 0f 87 db 00 00 00 e8 15 e0 e0 ff 44 8b 75 10 <48> 8d 1c dd 20 c8 bc 8b 48 89 d8 48 c1 e8 03 48 b9 00 00 00 00 00 RSP: 0018:ffffc90000006f00 EFLAGS: 00000046 RAX: ffffffff8196ebfb RBX: 0000000000000000 RCX: ffff888079bc9dc0 RDX: 0000000000000100 RSI: 0000000000000000 RDI: 0000000000000008 RBP: ffffc90000007168 R08: dffffc0000000000 R09: fffffbfff1ad33a6 R10: fffffbfff1ad33a6 R11: 1ffffffff1ad33a5 R12: ffff8880b9035250 R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000000 FS: 00007fefcab3d6c0(0000) GS:ffff8880b9000000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f91be762dac CR3: 000000002f88d000 CR4: 00000000003506f0 DR0: 0000200000000300 DR1: 0000200000000300 DR2: 0000200000000300 DR3: 0000200000000300 DR6: 00000000ffff0ff0 DR7: 0000000000000600 Call Trace: perf_trace_run_bpf_submit+0xf3/0x1c0 kernel/events/core.c:10021 perf_trace_preemptirq_template+0x2be/0x380 include/trace/events/preemptirq.h:14 trace_irq_enable_rcuidle+0x108/0x180 include/trace/events/preemptirq.h:40 trace_hardirqs_on+0x57/0x80 kernel/trace/trace_preemptirq.c:44 asm_sysvec_irq_work+0x16/0x20 arch/x86/include/asm/idtentry.h:713 RIP: 0010:rcu_read_unlock_special+0x84/0x480 kernel/rcu/tree_plugin.h:674 Code: f1 f1 f1 00 f2 f2 f2 4a 89 04 2b 66 42 c7 44 2b 09 f3 f3 42 c6 44 2b 0b f3 65 44 8b 35 ed 11 9e 7e 41 f7 c6 00 00 f0 00 74 45 <48> c7 44 24 20 0e 36 e0 45 4a c7 04 2b 00 00 00 00 66 42 c7 44 2b RSP: 0018:ffffc900000073c0 EFLAGS: 00000206 RAX: 561bca24c895b700 RBX: 1ffff92000000e7c RCX: 561bca24c895b700 RDX: dffffc0000000000 RSI: ffffffff8a0b1c60 RDI: ffffffff8a59e580 RBP: ffffc900000074a0 R08: dffffc0000000000 R09: fffffbfff1ff7c2c R10: fffffbfff1ff7c2c R11: 1ffffffff1ff7c2b R12: ffffffff8c120c00 R13: dffffc0000000000 R14: 0000000000000246 R15: 0000000000000001 __rcu_read_unlock+0x78/0xd0 kernel/rcu/tree_plugin.h:422 rcu_read_unlock include/linux/rcupdate.h:772 [inline] ip6_dst_lookup_tail+0xd65/0x1200 net/ipv6/ip6_output.c:1109 icmpv6_route_lookup+0xc8/0x520 net/ipv6/icmp.c:366 icmp6_send+0xe53/0x16e0 net/ipv6/icmp.c:601 __icmpv6_send include/linux/icmpv6.h:28 [inline] icmpv6_send include/linux/icmpv6.h:49 [inline] ip6_link_failure+0x35/0x490 net/ipv6/route.c:2788 dst_link_failure include/net/dst.h:422 [inline] ndisc_error_report+0x10e/0x150 net/ipv6/ndisc.c:717 neigh_invalidate+0x22c/0x440 net/core/neighbour.c:1001 neigh_timer_handler+0x910/0xfe0 net/core/neighbour.c:1088 call_timer_fn+0x16c/0x530 kernel/time/timer.c:1451 expire_timers kernel/time/timer.c:1496 [inline] __run_timers+0x525/0x7c0 kernel/time/timer.c:1767 run_timer_softirq+0x63/0xf0 kernel/time/timer.c:1780 handle_softirqs+0x328/0x820 kernel/softirq.c:576 __do_softirq kernel/softirq.c:610 [inline] invoke_softirq kernel/softirq.c:450 [inline] __irq_exit_rcu+0x12f/0x220 kernel/softirq.c:659 irq_exit_rcu+0x5/0x20 kernel/softirq.c:671 instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1108 [inline] sysvec_apic_timer_interrupt+0xa0/0xc0 arch/x86/kernel/apic/apic.c:1108 asm_sysvec_apic_timer_interrupt+0x16/0x20 arch/x86/include/asm/idtentry.h:676 RIP: 0010:check_kcov_mode kernel/kcov.c:183 [inline] RIP: 0010:__sanitizer_cov_trace_pc+0x32/0x60 kernel/kcov.c:206 Code: a4 a3 8a 7e 65 8b 15 a5 a3 8a 7e 81 e2 00 01 ff 00 74 11 81 fa 00 01 00 00 75 35 83 b9 34 16 00 00 00 74 2c 8b 91 10 16 00 00 <83> fa 02 75 21 48 8b 91 18 16 00 00 48 8b 32 48 8d 7e 01 8b 89 14 RSP: 0018:ffffc9000314fd00 EFLAGS: 00000246 RAX: ffffffff819bb0a3 RBX: ffffffff8bc37d70 RCX: ffff888079bc9dc0 RDX: 0000000000000002 RSI: 000000000000d23e RDI: 000000000000d23f RBP: 1ffffffff1787003 R08: dffffc0000000000 R09: fffff52000629f8d R10: fffff52000629f8d R11: 1ffff92000629f8c R12: ffffffff8bc3da10 R13: ffffffff8bc38010 R14: 00000000000002a0 R15: 0000000000000000 __jump_label_update+0x2a3/0x390 kernel/jump_label.c:446 static_key_slow_inc_cpuslocked+0x121/0x210 kernel/jump_label.c:144 static_key_slow_inc+0x16/0x20 kernel/jump_label.c:159 bpf_enable_runtime_stats kernel/bpf/syscall.c:4504 [inline] bpf_enable_stats+0x101/0x140 kernel/bpf/syscall.c:4523 __sys_bpf+0x571/0x670 kernel/bpf/syscall.c:4740 __do_sys_bpf kernel/bpf/syscall.c:4761 [inline] __se_sys_bpf kernel/bpf/syscall.c:4759 [inline] __x64_sys_bpf+0x78/0x90 kernel/bpf/syscall.c:4759 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x66/0xd0 RIP: 0033:0x7fefcc8d6749 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 a8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007fefcab3d038 EFLAGS: 00000246 ORIG_RAX: 0000000000000141 RAX: ffffffffffffffda RBX: 00007fefccb2cfa0 RCX: 00007fefcc8d6749 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000020 RBP: 00007fefcc95af91 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007fefccb2d038 R14: 00007fefccb2cfa0 R15: 00007ffe95ce4038