rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 1-.... } 2639 jiffies s: 100273 root: 0x2/. rcu: blocking rcu_node structures (internal RCU debug): Sending NMI from CPU 0 to CPUs 1: NMI backtrace for cpu 1 CPU: 1 PID: 15421 Comm: syz.8.3518 Not tainted 6.1.142-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 RIP: 0010:arch_static_branch arch/x86/include/asm/jump_label.h:27 [inline] RIP: 0010:static_key_false include/linux/jump_label.h:207 [inline] RIP: 0010:native_write_msr arch/x86/include/asm/msr.h:147 [inline] RIP: 0010:wrmsr arch/x86/include/asm/msr.h:254 [inline] RIP: 0010:native_apic_msr_write+0x35/0x50 arch/x86/include/asm/apic.h:206 Code: 74 2a 83 ff 30 74 25 eb 10 81 ff d0 00 00 00 74 1b 81 ff e0 00 00 00 74 13 c1 ef 04 81 c7 00 08 00 00 89 f9 89 f0 31 d2 0f 30 <66> 90 c3 89 f6 31 d2 e9 ef ad f8 02 66 2e 0f 1f 84 00 00 00 00 00 RSP: 0018:ffffc900001e0820 EFLAGS: 00000046 RAX: 000000000000007b RBX: 000000000000007b RCX: 0000000000000838 RDX: 0000000000000000 RSI: 000000000000007b RDI: 0000000000000838 RBP: 0000000000000000 R08: dffffc0000000000 R09: fffffbfff1bfd1a6 R10: fffffbfff1bfd1a6 R11: 1ffffffff1bfd1a5 R12: dffffc0000000000 R13: 0000000010005df3 R14: ffffffff8c3d1b30 R15: dffffc0000000000 FS: 00007f0326ce66c0(0000) GS:ffff8880b8f00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000001b31618ff8 CR3: 000000007e281000 CR4: 00000000003506e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000600 Call Trace: apic_write arch/x86/include/asm/apic.h:394 [inline] lapic_next_event+0x5b/0x70 arch/x86/kernel/apic/apic.c:478 clockevents_program_event+0x1bc/0x310 kernel/time/clockevents.c:334 hrtimer_interrupt+0x59d/0x9c0 kernel/time/hrtimer.c:1891 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1107 [inline] __sysvec_apic_timer_interrupt+0x153/0x5a0 arch/x86/kernel/apic/apic.c:1124 instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1118 [inline] sysvec_apic_timer_interrupt+0x4d/0xc0 arch/x86/kernel/apic/apic.c:1118 asm_sysvec_apic_timer_interrupt+0x16/0x20 arch/x86/include/asm/idtentry.h:691 RIP: 0010:addrconf_rs_timer+0x2ff/0x600 net/ipv6/addrconf.c:3991 Code: 1e 02 00 00 8b 7b 50 4c 8d b3 04 ff ff ff 4c 89 f0 48 c1 e8 03 42 0f b6 04 28 84 c0 0f 85 1e 02 00 00 41 8b 36 e8 01 03 00 00 <41> 89 c6 43 0f b6 04 2f 84 c0 0f 85 34 02 00 00 45 89 f7 45 89 34 RSP: 0018:ffffc900001e0aa0 EFLAGS: 00000246 RAX: 0000000000000dce RBX: ffff888042e2e700 RCX: ffff88802b031dc0 RDX: 0000000000000100 RSI: 0000000000000dce RDI: 0000000000057e40 RBP: ffffc900001e0b70 R08: dffffc0000000000 R09: fffffbfff211725a R10: fffffbfff211725a R11: 1ffffffff2117259 R12: ffff888042e2e750 R13: dffffc0000000000 R14: ffff888042e2e604 R15: 1ffff110085c5cea call_timer_fn+0x1a0/0x670 kernel/time/timer.c:1504 expire_timers kernel/time/timer.c:1549 [inline] __run_timers+0x525/0x7c0 kernel/time/timer.c:1820 run_timer_softirq+0x63/0xf0 kernel/time/timer.c:1833 handle_softirqs+0x2a1/0x920 kernel/softirq.c:596 __do_softirq kernel/softirq.c:630 [inline] invoke_softirq kernel/softirq.c:470 [inline] __irq_exit_rcu+0x12f/0x220 kernel/softirq.c:679 irq_exit_rcu+0x5/0x20 kernel/softirq.c:691 instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1118 [inline] sysvec_apic_timer_interrupt+0xa0/0xc0 arch/x86/kernel/apic/apic.c:1118 asm_sysvec_apic_timer_interrupt+0x16/0x20 arch/x86/include/asm/idtentry.h:691 RIP: 0010:__sanitizer_cov_trace_pc+0x37/0x60 kernel/kcov.c:219 Code: 8b 15 b5 97 81 7e 81 e2 00 01 ff 00 74 11 81 fa 00 01 00 00 75 35 83 b9 1c 16 00 00 00 74 2c 8b 91 f8 15 00 00 83 fa 02 75 21 <48> 8b 91 00 16 00 00 48 8b 32 48 8d 7e 01 8b 89 fc 15 00 00 48 39 RSP: 0018:ffffc900043f7780 EFLAGS: 00000246 RAX: ffffffff81973265 RBX: ffffc90003a11000 RCX: ffff88802b031dc0 RDX: 0000000000000002 RSI: ffffc90003a11048 RDI: ffffe8ffffb10000 RBP: ffffc900043f7790 R08: ffffffff8f7ce048 R09: ffffffff8f7ce058 R10: ffffffff8f7ce050 R11: ffffffff8f7ce043 R12: ffffffff8c7f6aa0 R13: ffff888027d4c798 R14: ffff888027d4c7a8 R15: 0000000000000001 bpf_get_numa_node_id+0x5/0x10 kernel/bpf/helpers.c:160 bpf_prog_abe3471d98b428a0+0x10/0x17 bpf_dispatcher_nop_func include/linux/bpf.h:1001 [inline] __bpf_prog_run include/linux/filter.h:596 [inline] bpf_prog_run include/linux/filter.h:610 [inline] bpf_prog_run_array include/linux/bpf.h:1647 [inline] trace_call_bpf+0x38c/0x680 kernel/trace/bpf_trace.c:135 perf_trace_run_bpf_submit+0x79/0x1c0 kernel/events/core.c:9983 perf_trace_lock+0x2ec/0x370 include/trace/events/lock.h:50 trace_lock_release include/trace/events/lock.h:69 [inline] lock_release+0x89a/0x910 kernel/locking/lockdep.c:5673 __mutex_unlock_slowpath+0xb3/0x6a0 kernel/locking/mutex.c:907 perf_event_ctx_unlock kernel/events/core.c:1328 [inline] perf_ioctl+0xef6/0x2340 kernel/events/core.c:5861 vfs_ioctl fs/ioctl.c:51 [inline] __do_sys_ioctl fs/ioctl.c:870 [inline] __se_sys_ioctl+0xfa/0x170 fs/ioctl.c:856 do_syscall_x64 arch/x86/entry/common.c:51 [inline] do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:81 entry_SYSCALL_64_after_hwframe+0x68/0xd2 RIP: 0033:0x7f0325d8e929 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:00007f0326ce6038 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 00007f0325fb5fa0 RCX: 00007f0325d8e929 RDX: 0000000000000007 RSI: 0000000040042408 RDI: 0000000000000006 RBP: 00007f0325e10b39 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000000000 R14: 00007f0325fb5fa0 R15: 00007ffd4109e7f8