rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 1-.... } 3654 jiffies s: 1421 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: 3738 Comm: syz.4.5 Not tainted 6.1.107-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/06/2024
RIP: 0010:ktime_get_update_offsets_now+0x40a/0x420 kernel/time/timekeeping.c:2336
Code: 24 e9 57 fe ff ff e8 25 22 10 00 48 c7 c7 c0 42 34 8d 4c 89 f6 48 89 ea e8 23 08 ea 02 e9 cd fd ff ff e8 09 22 10 00 4c 89 f0 <48> 83 c4 30 5b 41 5c 41 5d 41 5e 41 5f 5d c3 0f 1f 80 00 00 00 00
RSP: 0018:ffffc900001e0120 EFLAGS: 00000006
RAX: 0000001afa99614b RBX: 7fffffffffffffff RCX: ffff888025180000
RDX: 0000000000010100 RSI: 7fffffffffffffff RDI: 0000001afa99614b
RBP: 1ffff110171e54a1 R08: ffffffff817a8b3c R09: fffffbfff1d33b4e
R10: 0000000000000000 R11: dffffc0000000001 R12: ffff8880b8f2a628
R13: 0000003d6f9f0173 R14: 0000001afa99614b R15: 0000000000000003
FS:  00007f4ab04226c0(0000) GS:ffff8880b8f00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000000000 CR3: 0000000018b67000 CR4: 00000000003506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <NMI>
 </NMI>
 <IRQ>
 hrtimer_update_base kernel/time/hrtimer.c:632 [inline]
 hrtimer_interrupt+0x12f/0x980 kernel/time/hrtimer.c:1797
 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:ipv6_ext_hdr net/ipv6/exthdrs_core.c:18 [inline]
RIP: 0010:ipv6_skip_exthdr+0x5e9/0x6f0 net/ipv6/exthdrs_core.c:79
Code: 0a f8 41 be ff ff ff ff 49 bf 00 00 00 00 00 fc ff df 48 8b 5c 24 20 eb 3b e8 93 b1 0a f8 49 bf 00 00 00 00 00 fc ff df eb 05 <e8> 82 b1 0a f8 48 8b 44 24 60 42 0f b6 04 38 84 c0 48 8b 5c 24 20
RSP: 0018:ffffc900001e0380 EFLAGS: 00000283
RAX: 000000000000000f RBX: 1ffff9200003c080 RCX: 000000000000008b
RDX: 0000000000000006 RSI: ffffffff8e61ab70 RDI: 000000000000003a
RBP: ffffc900001e0490 R08: 0000000000000001 R09: ffffffff897ff830
R10: 0000000000000006 R11: ffff888025180000 R12: ffff88802715b5d8
R13: 000000000000003a R14: 0000000000000028 R15: dffffc0000000000
 ipv6_get_l4proto net/netfilter/nf_conntrack_core.c:397 [inline]
 get_l4proto+0x26f/0x6d0 net/netfilter/nf_conntrack_core.c:420
 nf_conntrack_in+0x2cc/0x1d10 net/netfilter/nf_conntrack_core.c:1997
 nf_hook_entry_hookfn include/linux/netfilter.h:142 [inline]
 nf_hook_slow+0xae/0x1e0 net/netfilter/core.c:614
 nf_hook include/linux/netfilter.h:257 [inline]
 NF_HOOK include/linux/netfilter.h:300 [inline]
 ndisc_send_skb+0x1388/0x14e0 net/ipv6/ndisc.c:511
 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+0x162/0x240 kernel/softirq.c:472
 </IRQ>
 <TASK>
 __local_bh_enable_ip+0x1b1/0x1f0 kernel/softirq.c:396
 local_bh_enable include/linux/bottom_half.h:33 [inline]
 xdp_test_run_batch net/bpf/test_run.c:340 [inline]
 bpf_test_run_xdp_live+0x19ce/0x1ea0 net/bpf/test_run.c:362
 bpf_prog_test_run_xdp+0x7d1/0x1130 net/bpf/test_run.c:1393
 bpf_prog_test_run+0x32f/0x3a0 kernel/bpf/syscall.c:3685
 __sys_bpf+0x3eb/0x6c0 kernel/bpf/syscall.c:5038
 __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: 0033:0x7f4aaf579eb9
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:00007f4ab0422038 EFLAGS: 00000246 ORIG_RAX: 0000000000000141
RAX: ffffffffffffffda RBX: 00007f4aaf715f80 RCX: 00007f4aaf579eb9
RDX: 0000000000000048 RSI: 0000000020000600 RDI: 000000000000000a
RBP: 00007f4aaf5e793e R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 00007f4aaf715f80 R15: 00007ffeeb31d168
 </TASK>