rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { P4418 1-.... } 2712 jiffies s: 1681 root: 0x2/T
rcu: blocking rcu_node structures (internal RCU debug):
Sending NMI from CPU 0 to CPUs 1:
NMI backtrace for cpu 1
CPU: 1 PID: 4418 Comm: syz.4.27 Not tainted 6.1.135-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/19/2025
RIP: 0010:preempt_count kernel/rcu/tree.c:761 [inline]
RIP: 0010:rcu_lockdep_current_cpu_online+0x2/0x120 kernel/rcu/tree.c:765
Code: fa 92 8c e8 90 f4 c3 02 eb 93 89 d9 80 e1 07 38 c1 7c c2 48 89 df e8 3d 3e 67 00 eb b8 66 2e 0f 1f 84 00 00 00 00 00 90 41 57 <41> 56 53 65 8b 0d 7c 7b 97 7e b0 01 f7 c1 00 00 f0 00 0f 85 d5 00
RSP: 0018:ffffc900001dfb60 EFLAGS: 00000002
RAX: 0000000000000001 RBX: 0000000000000000 RCX: 56926d8d8a154a00
RDX: ffff888027690000 RSI: ffffffff8abf0e80 RDI: ffffffff8abf0e40
RBP: ffffc900001dfcb0 R08: dffffc0000000000 R09: fffffbfff2116e49
R10: fffffbfff2116e49 R11: 1ffffffff2116e48 R12: 1ffff9200003bf80
R13: 0000000000000008 R14: ffffc900001dfd00 R15: ffffc900001dfec0
FS:  00007f4504d7a6c0(0000) GS:ffff8880b8f00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000200000001000 CR3: 000000001a6ef000 CR4: 00000000003506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <IRQ>
 rcu_read_lock_held_common kernel/rcu/update.c:112 [inline]
 rcu_read_lock_held+0x1a/0x40 kernel/rcu/update.c:309
 __perf_output_begin kernel/events/ring_buffer.c:170 [inline]
 perf_output_begin_forward+0x1c8/0xa60 kernel/events/ring_buffer.c:271
 __perf_event_output kernel/events/core.c:7709 [inline]
 perf_event_output_forward+0x179/0x2a0 kernel/events/core.c:7727
 __perf_event_overflow+0x448/0x610 kernel/events/core.c:9473
 perf_swevent_hrtimer+0x3af/0x500 kernel/events/core.c:10881
 __run_hrtimer kernel/time/hrtimer.c:1691 [inline]
 __hrtimer_run_queues+0x4e8/0xc80 kernel/time/hrtimer.c:1755
 hrtimer_interrupt+0x3bb/0x8d0 kernel/time/hrtimer.c:1817
 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:__kernel_text_address+0xb/0x30 kernel/extable.c:79
Code: 7c c6 48 c7 c7 00 4c fe 8d e8 f1 46 7d 00 eb b8 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 53 48 89 fb e8 27 00 00 00 85 c0 <0f> 95 c0 48 81 fb 00 e0 44 8f 0f 93 c1 48 81 fb 4a 50 59 8f 0f 92
RSP: 0018:ffffc900001e0438 EFLAGS: 00000246
RAX: 0000000000000000 RBX: 00007f4503f8e969 RCX: 56926d8d8a154a00
RDX: 0000000000000003 RSI: ffffffff8a6c1080 RDI: ffffffff8abf0ea0
RBP: ffffc900001e04f0 R08: dffffc0000000000 R09: fffffbfff1bfcf4e
R10: fffffbfff1bfcf4e R11: 1ffffffff1bfcf4d R12: ffff888027690000
R13: ffff888055d1f640 R14: dffffc0000000000 R15: 1ffff9200003c096
 unwind_get_return_address+0x49/0x80 arch/x86/kernel/unwind_orc.c:323
 arch_stack_walk+0xf2/0x140 arch/x86/kernel/stacktrace.c:26
 stack_trace_save+0x98/0xe0 kernel/stacktrace.c:122
 kasan_save_stack mm/kasan/common.c:45 [inline]
 kasan_set_track+0x4b/0x70 mm/kasan/common.c:52
 ____kasan_kmalloc mm/kasan/common.c:374 [inline]
 __kasan_kmalloc+0x8e/0xa0 mm/kasan/common.c:383
 kmalloc include/linux/slab.h:563 [inline]
 dst_cow_metrics_generic+0x52/0x1b0 net/core/dst.c:202
 dst_metrics_write_ptr include/net/dst.h:119 [inline]
 dst_metric_set include/net/dst.h:180 [inline]
 icmp6_dst_alloc+0x2d8/0x460 net/ipv6/route.c:3321
 ndisc_send_skb+0x3ff/0x1510 net/ipv6/ndisc.c:493
 addrconf_rs_timer+0x2b8/0x600 net/ipv6/addrconf.c:3982
 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:578
 __do_softirq kernel/softirq.c:612 [inline]
 invoke_softirq kernel/softirq.c:452 [inline]
 __irq_exit_rcu+0x12f/0x220 kernel/softirq.c:661
 irq_exit_rcu+0x5/0x20 kernel/softirq.c:673
 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
 </IRQ>
 <TASK>
 asm_sysvec_apic_timer_interrupt+0x16/0x20 arch/x86/include/asm/idtentry.h:691
RIP: 0010:preempt_schedule_irq+0xac/0x150 kernel/sched/core.c:6873
Code: 44 24 20 f6 44 24 21 02 74 0b 0f 0b 48 f7 03 08 00 00 00 74 70 bf 01 00 00 00 e8 5f 13 40 f7 e8 da 99 6f f7 fb bf 01 00 00 00 <e8> bf b9 ff ff 48 c7 44 24 40 00 00 00 00 9c 8f 44 24 40 8b 44 24
RSP: 0018:ffffc9000477fa20 EFLAGS: 00000282
RAX: 56926d8d8a154a00 RBX: ffff888027690000 RCX: 56926d8d8a154a00
RDX: dffffc0000000000 RSI: ffffffff8a6bff00 RDI: 0000000000000001
RBP: ffffc9000477fac0 R08: dffffc0000000000 R09: ffffed1004ed2001
R10: ffffed1004ed2001 R11: 1ffff11004ed2000 R12: 0000000000000000
R13: 0000000000000000 R14: dffffc0000000000 R15: 1ffff920008eff44
 irqentry_exit+0x63/0x70 kernel/entry/common.c:439
 asm_sysvec_apic_timer_interrupt+0x16/0x20 arch/x86/include/asm/idtentry.h:691
RIP: 0010:array_map_lookup_elem+0x0/0x130 kernel/bpf/arraymap.c:167
Code: fe ff ff 44 89 e1 80 e1 07 80 c1 03 38 c1 0f 8c df fe ff ff 4c 89 e7 e8 de d4 38 00 e9 d2 fe ff ff 66 0f 1f 84 00 00 00 00 00 <55> 41 57 41 56 41 54 53 49 89 f6 48 89 fb 49 bc 00 00 00 00 00 fc
RSP: 0018:ffffc9000477fb80 EFLAGS: 00000246
RAX: 1ffffffff14e69c4 RBX: 1ffff1100b104003 RCX: 0000000000080000
RDX: ffffc9000dee9000 RSI: ffff888142abc1b8 RDI: ffff888058820000
RBP: ffff888058820000 R08: dffffc0000000000 R09: fffffbfff2116e49
R10: fffffbfff2116e49 R11: 1ffffffff2116e48 R12: dffffc0000000000
R13: ffff888142abc1b8 R14: ffff88807a3089c4 R15: ffffffff81995cf0
 bpf_map_copy_value+0x3d0/0x530 kernel/bpf/syscall.c:-1
 generic_map_lookup_batch+0x782/0xc50 kernel/bpf/syscall.c:1772
 bpf_map_do_batch+0x2c8/0x600 kernel/bpf/syscall.c:4558
 __sys_bpf+0x65f/0x6d0 kernel/bpf/syscall.c:-1
 __do_sys_bpf kernel/bpf/syscall.c:5124 [inline]
 __se_sys_bpf kernel/bpf/syscall.c:5122 [inline]
 __x64_sys_bpf+0x78/0x90 kernel/bpf/syscall.c:5122
 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: 0033:0x7f4503f8e969
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:00007f4504d7a038 EFLAGS: 00000246 ORIG_RAX: 0000000000000141
RAX: ffffffffffffffda RBX: 00007f45041b5fa0 RCX: 00007f4503f8e969
RDX: 0000000000000038 RSI: 00002000000003c0 RDI: 0000000000000018
RBP: 00007f4504010ab1 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 00007f45041b5fa0 R15: 00007fffe6e08ec8
 </TASK>