rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 1-.... } 4223 jiffies s: 7381 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: 4127 Comm: syz.4.40 Not tainted 6.1.111-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/06/2024
RIP: 0010:__lock_acquire+0xeef/0x1f80
Code: c2 06 44 31 fa 01 c1 29 d0 89 d6 c1 c6 08 31 c6 01 ca 29 f1 89 f3 c1 c3 10 31 cb 01 d6 29 da 89 dd c1 c5 13 31 d5 01 f3 29 ee <01> eb c1 c5 04 31 f5 48 c1 e5 20 48 c7 c0 28 1a 9a 8e 48 c1 e8 03
RSP: 0018:ffffc900001dfd40 EFLAGS: 00000016
RAX: 0000000000105208 RBX: 00000000a46307a1 RCX: 0000000010421abd
RDX: 000000004b3978aa RSI: 000000000c70359c RDI: dffffc0000000000
RBP: 00000000e33cdd05 R08: dffffc0000000000 R09: fffffbfff223b846
R10: 0000000000000000 R11: dffffc0000000001 R12: ffff88802e70e418
R13: 0000000000000001 R14: ffff88802e70e468 R15: 0000000000004049
FS:  00007fd053df06c0(0000) GS:ffff8880b8f00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f55d0d35f84 CR3: 0000000057580000 CR4: 00000000003506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <NMI>
 </NMI>
 <IRQ>
 lock_acquire+0x1f8/0x5a0 kernel/locking/lockdep.c:5662
 seqcount_lockdep_reader_access+0xf8/0x220 include/linux/seqlock.h:102
 ktime_get+0x31/0x270 kernel/time/timekeeping.c:846
 hrtimer_forward_now include/linux/hrtimer.h:508 [inline]
 perf_swevent_hrtimer+0x43b/0x4f0 kernel/events/core.c:10881
 __run_hrtimer kernel/time/hrtimer.c:1689 [inline]
 __hrtimer_run_queues+0x5a7/0xe50 kernel/time/hrtimer.c:1753
 hrtimer_interrupt+0x392/0x980 kernel/time/hrtimer.c:1815
 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1095 [inline]
 __sysvec_apic_timer_interrupt+0x156/0x580 arch/x86/kernel/apic/apic.c:1112
 sysvec_apic_timer_interrupt+0x3e/0xb0 arch/x86/kernel/apic/apic.c:1106
 asm_sysvec_apic_timer_interrupt+0x16/0x20 arch/x86/include/asm/idtentry.h:653
RIP: 0010:__stack_depot_save+0x49/0x470 lib/stackdepot.c:441
Code: 28 00 00 00 48 89 44 24 28 48 c7 44 24 20 00 00 00 00 e8 ea 1b 14 fd 89 c1 31 c0 85 c9 0f 84 de 03 00 00 80 3d c8 80 05 13 00 <0f> 85 d1 03 00 00 41 89 d9 8d 34 09 49 89 c8 44 8d 2c cd 7b 71 f5
RSP: 0018:ffffc900001e0618 EFLAGS: 00000246
RAX: 0000000000000000 RBX: 0000000000000001 RCX: 0000000000000010
RDX: 0000000000000000 RSI: 0000000000000021 RDI: ffffc900001e0680
RBP: ffffc900001e08a8 R08: 0000000000000001 R09: fffffbfff1d33cae
R10: 0000000000000000 R11: dffffc0000000001 R12: 0000000000000a20
R13: 0000000000000a20 R14: 0000000000000000 R15: ffffc900001e0680
 kasan_save_stack mm/kasan/common.c:46 [inline]
 kasan_set_track+0x60/0x70 mm/kasan/common.c:52
 __kasan_slab_alloc+0x65/0x70 mm/kasan/common.c:328
 kasan_slab_alloc include/linux/kasan.h:201 [inline]
 slab_post_alloc_hook+0x52/0x3a0 mm/slab.h:737
 slab_alloc_node mm/slub.c:3398 [inline]
 kmem_cache_alloc_node+0x136/0x310 mm/slub.c:3443
 __alloc_skb+0xde/0x670 net/core/skbuff.c:505
 alloc_skb include/linux/skbuff.h:1271 [inline]
 ndisc_alloc_skb+0xee/0x2c0 net/ipv6/ndisc.c:424
 ndisc_send_rs+0x269/0x6a0 net/ipv6/ndisc.c:705
 addrconf_rs_timer+0x357/0x610 net/ipv6/addrconf.c:3963
 call_timer_fn+0x1ad/0x6b0 kernel/time/timer.c:1504
 expire_timers kernel/time/timer.c:1549 [inline]
 __run_timers+0x67c/0x890 kernel/time/timer.c:1820
 run_timer_softirq+0x63/0xf0 kernel/time/timer.c:1833
 handle_softirqs+0x2ee/0xa40 kernel/softirq.c:571
 __do_softirq kernel/softirq.c:605 [inline]
 invoke_softirq kernel/softirq.c:445 [inline]
 __irq_exit_rcu+0x157/0x240 kernel/softirq.c:654
 irq_exit_rcu+0x5/0x20 kernel/softirq.c:666
 sysvec_apic_timer_interrupt+0x91/0xb0 arch/x86/kernel/apic/apic.c:1106
 </IRQ>
 <TASK>
 asm_sysvec_apic_timer_interrupt+0x16/0x20 arch/x86/include/asm/idtentry.h:653
RIP: 0010:preempt_schedule_irq+0xf2/0x1c0 kernel/sched/core.c:6870
Code: 89 f5 49 c1 ed 03 eb 0d 48 f7 03 08 00 00 00 0f 84 97 00 00 00 bf 01 00 00 00 e8 e9 f2 ae f6 e8 14 ef e1 f6 fb bf 01 00 00 00 <e8> 79 b4 ff ff 43 80 7c 3d 00 00 74 08 4c 89 f7 e8 d9 ae 32 f7 48
RSP: 0018:ffffc900035df580 EFLAGS: 00000282
RAX: 0121f0459be17500 RBX: 1ffff920006bbeb8 RCX: ffffffff97333103
RDX: dffffc0000000000 RSI: ffffffff8b0c0340 RDI: 0000000000000001
RBP: ffffc900035df640 R08: ffffffff90141040 R09: ffffffff90141048
R10: ffffffff90141058 R11: ffffffff90141050 R12: 1ffff920006bbeb0
R13: 1ffff920006bbeb4 R14: ffffc900035df5a0 R15: dffffc0000000000
 irqentry_exit+0x53/0x80 kernel/entry/common.c:439
 asm_sysvec_apic_timer_interrupt+0x16/0x20 arch/x86/include/asm/idtentry.h:653
RIP: 0010:unwind_get_return_address+0x52/0x80 arch/x86/kernel/unwind_orc.c:323
Code: 83 c3 48 49 89 df 49 c1 ef 03 43 80 3c 37 00 74 08 48 89 df e8 df 7d a5 00 48 8b 3b e8 a7 dd 1e 00 85 c0 74 14 43 80 3c 37 00 <74> 08 48 89 df e8 c4 7d a5 00 48 8b 03 eb 02 31 c0 5b 41 5e 41 5f
RSP: 0018:ffffc900035df700 EFLAGS: 00000246
RAX: 0000000000000001 RBX: ffffc900035df768 RCX: ffffffff8fdb2000
RDX: ffffffff8ff0bd01 RSI: ffffc900035d8000 RDI: ffffffff819a2a89
RBP: ffffc900035df7b0 R08: ffffc900035dfd08 R09: ffffc900035df770
R10: 0000000000000000 R11: dffffc0000000001 R12: ffff88802e70d940
R13: ffffffff81786c50 R14: dffffc0000000000 R15: 1ffff920006bbeed
 arch_stack_walk+0xf3/0x140 arch/x86/kernel/stacktrace.c:26
 stack_trace_save+0x113/0x1c0 kernel/stacktrace.c:122
 kasan_save_stack+0x3b/0x60 mm/kasan/common.c:45
 __kasan_record_aux_stack+0xb0/0xc0 mm/kasan/generic.c:486
 task_work_add+0x87/0x3a0 kernel/task_work.c:48
 fput+0xe2/0x1b0 fs/file_table.c:376
 bpf_link_cleanup+0xcd/0x130 kernel/bpf/syscall.c:2749
 bpf_xdp_link_attach+0x2c5/0x460 net/core/dev.c:9496
 link_create+0x619/0xa20 kernel/bpf/syscall.c:4657
 __sys_bpf+0x5aa/0x6c0 kernel/bpf/syscall.c:5090
 __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+0x3b/0xb0 arch/x86/entry/common.c:81
 entry_SYSCALL_64_after_hwframe+0x68/0xd2
RIP: 0033:0x7fd052f7def9
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:00007fd053df0038 EFLAGS: 00000246 ORIG_RAX: 0000000000000141
RAX: ffffffffffffffda RBX: 00007fd053135f80 RCX: 00007fd052f7def9
RDX: 0000000000000040 RSI: 0000000020000240 RDI: 000000000000001c
RBP: 00007fd052ff0b76 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 00007fd053135f80 R15: 00007ffe188c7dc8
 </TASK>