rcu: INFO: rcu_preempt detected stalls on CPUs/tasks:
rcu: 1-....: (1 GPs behind) idle=d09c/1/0x4000000000000000 softirq=16219/16220 fqs=2100
rcu: hardirqs softirqs csw/system
rcu: number: 9909042 0 0
rcu: cputime: 5679 46837 0 ==> 52500(ms)
rcu: (detected by 0, t=10505 jiffies, g=17865, q=1111 ncpus=2)
Sending NMI from CPU 0 to CPUs 1:
NMI backtrace for cpu 1
CPU: 1 PID: 6654 Comm: syz.3.284 Not tainted 6.6.101-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
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+0x39/0x50 arch/x86/include/asm/apic.h:196
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 f3 0f 1e fa 89 f6 31 d2 e9 87 56 18 03 0f 1f 80 00 00 00
RSP: 0018:ffffc900001f05d0 EFLAGS: 00000046
RAX: 00000000000000f6 RBX: 0000000000000200 RCX: 000000000000083f
RDX: 0000000000000000 RSI: 00000000000000f6 RDI: 000000000000083f
RBP: 0000000000000001 R08: ffffc900001f0527 R09: 1ffff9200003e0a4
R10: dffffc0000000000 R11: fffff5200003e0a5 R12: 0000000000000000
R13: dffffc0000000001 R14: 0000000000000000 R15: 0000000000000001
FS: 00007fd6903346c0(0000) GS:ffff8880b8f00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b2ec22ff8 CR3: 000000005e8e3000 CR4: 00000000003506e0
Call Trace:
__apic_send_IPI_self arch/x86/include/asm/apic.h:454 [inline]
arch_irq_work_raise+0x68/0x70 arch/x86/kernel/irq_work.c:31
irq_work_queue_on+0x122/0x220 kernel/irq_work.c:175
rcu_read_unlock_special+0x3a7/0x4c0 kernel/rcu/tree_plugin.h:675
__rcu_read_unlock+0x7c/0xd0 kernel/rcu/tree_plugin.h:426
rcu_read_unlock include/linux/rcupdate.h:818 [inline]
__perf_event_output kernel/events/core.c:7969 [inline]
perf_event_output_forward+0x2e6/0x3a0 kernel/events/core.c:7978
__perf_event_overflow+0x447/0x630 kernel/events/core.c:9703
perf_swevent_overflow kernel/events/core.c:9779 [inline]
perf_swevent_event+0x2f5/0x5c0 kernel/events/core.c:-1
perf_tp_event+0x4f9/0x13a0 kernel/events/core.c:10329
perf_trace_run_bpf_submit+0xf4/0x1c0 kernel/events/core.c:10253
perf_trace_preemptirq_template+0x281/0x340 include/trace/events/preemptirq.h:14
trace_irq_enable+0xbf/0xe0 include/trace/events/preemptirq.h:40
trace_hardirqs_on+0x18/0x40 kernel/trace/trace_preemptirq.c:56
asm_sysvec_irq_work+0x1a/0x20 arch/x86/include/asm/idtentry.h:723
RIP: 0010:variable_ffs arch/x86/include/asm/bitops.h:319 [inline]
RIP: 0010:handle_softirqs+0x1b0/0x820 kernel/softirq.c:566
Code: 89 64 24 2c 0f b7 db 48 c7 c7 a0 b2 a9 8a e8 d7 99 1b 09 65 66 c7 05 1d 25 b2 7e 00 00 e8 a8 63 3a 00 fb 49 c7 c6 c0 a0 a0 8c <89> 5c 24 34 b8 ff ff ff ff 0f bc 44 24 34 41 89 c5 41 ff c5 0f 84
RSP: 0018:ffffc900001f0e40 EFLAGS: 00000286
RAX: fe03349d9d1f0300 RBX: 0000000000000200 RCX: fe03349d9d1f0300
RDX: dffffc0000000000 RSI: ffffffff8aaaba40 RDI: ffffffff8afc6780
RBP: ffffc900001f0f50 R08: ffffffff8e4a84ef R09: 1ffffffff1c9509d
R10: dffffc0000000000 R11: fffffbfff1c9509e R12: 000000000000000a
R13: 0000000000000000 R14: ffffffff8ca0a0c0 R15: ffff8880276e8000
__do_softirq kernel/softirq.c:612 [inline]
invoke_softirq kernel/softirq.c:452 [inline]
__irq_exit_rcu+0xc7/0x190 kernel/softirq.c:661
irq_exit_rcu+0x9/0x20 kernel/softirq.c:673
instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1088 [inline]
sysvec_apic_timer_interrupt+0xa4/0xc0 arch/x86/kernel/apic/apic.c:1088
asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:687
RIP: 0010:rcu_read_unlock_special+0x88/0x4c0 kernel/rcu/tree_plugin.h:682
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 a9 4e 93 7e 41 f7 c6 00 00 f0 00 74 45 <48> c7 44 24 40 0e 36 e0 45 4a c7 04 2b 00 00 00 00 66 42 c7 44 2b
RSP: 0018:ffffc900037e7400 EFLAGS: 00000206
RAX: fe03349d9d1f0300 RBX: 1ffff920006fce88 RCX: fe03349d9d1f0300
RDX: dffffc0000000000 RSI: ffffffff8aaaba40 RDI: ffffffff8afc6780
RBP: ffffc900037e7500 R08: ffffffff8e4a84ef R09: 1ffffffff1c9509d
R10: dffffc0000000000 R11: fffffbfff1c9509e R12: ffffffff8cd35400
R13: dffffc0000000000 R14: 0000000000000246 R15: 0000000000000002
__rcu_read_unlock+0x7c/0xd0 kernel/rcu/tree_plugin.h:426
rcu_read_unlock include/linux/rcupdate.h:818 [inline]
trace_call_bpf+0x59f/0x690 kernel/trace/bpf_trace.c:145
perf_trace_run_bpf_submit+0x7a/0x1c0 kernel/events/core.c:10248
perf_trace_lock+0x2ed/0x380 include/trace/events/lock.h:50
trace_lock_release include/trace/events/lock.h:69 [inline]
lock_release+0x857/0x8b0 kernel/locking/lockdep.c:5765
rcu_lock_release include/linux/rcupdate.h:344 [inline]
rcu_read_unlock_sched include/linux/rcupdate.h:899 [inline]
pfn_valid+0x3ee/0x450 include/linux/mmzone.h:2021
vmap_pages_pte_range mm/vmalloc.c:484 [inline]
vmap_pages_pmd_range mm/vmalloc.c:509 [inline]
vmap_pages_pud_range mm/vmalloc.c:527 [inline]
vmap_pages_p4d_range mm/vmalloc.c:545 [inline]
vmap_small_pages_range_noflush mm/vmalloc.c:567 [inline]
__vmap_pages_range_noflush+0x486/0x930 mm/vmalloc.c:596
vmap_pages_range_noflush mm/vmalloc.c:621 [inline]
vmap_pages_range mm/vmalloc.c:641 [inline]
__vmalloc_area_node mm/vmalloc.c:3201 [inline]
__vmalloc_node_range+0xef6/0x1320 mm/vmalloc.c:3339
__bpf_map_area_alloc kernel/bpf/syscall.c:307 [inline]
bpf_map_area_alloc+0xf1/0x110 kernel/bpf/syscall.c:314
prealloc_init+0x136/0x830 kernel/bpf/hashtab.c:325
htab_map_alloc+0x84d/0xe50 kernel/bpf/hashtab.c:575
map_create+0x877/0x1110 kernel/bpf/syscall.c:1245
__sys_bpf+0x5f0/0x800 kernel/bpf/syscall.c:5449
__do_sys_bpf kernel/bpf/syscall.c:5571 [inline]
__se_sys_bpf kernel/bpf/syscall.c:5569 [inline]
__x64_sys_bpf+0x7c/0x90 kernel/bpf/syscall.c:5569
do_syscall_x64 arch/x86/entry/common.c:51 [inline]
do_syscall_64+0x55/0xb0 arch/x86/entry/common.c:81
entry_SYSCALL_64_after_hwframe+0x68/0xd2
RIP: 0033:0x7fd68f58ebe9
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:00007fd690334038 EFLAGS: 00000246 ORIG_RAX: 0000000000000141
RAX: ffffffffffffffda RBX: 00007fd68f7b5fa0 RCX: 00007fd68f58ebe9
RDX: 0000000000000048 RSI: 0000200000000140 RDI: 0000000000000000
RBP: 00007fd68f611e19 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fd68f7b6038 R14: 00007fd68f7b5fa0 R15: 00007fff30546208