rcu: INFO: rcu_preempt self-detected stall on CPU
rcu: 1-....: (10497 ticks this GP) idle=2044/1/0x4000000000000000 softirq=25641/25642 fqs=4319
rcu: hardirqs softirqs csw/system
rcu: number: 1181850 5 0
rcu: cputime: 15368 37131 70 ==> 52510(ms)
rcu: (t=10502 jiffies g=33369 q=899 ncpus=2)
CPU: 1 PID: 9180 Comm: syz.3.1208 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/24/2026
RIP: 0010:seqcount_lockdep_reader_access+0x19a/0x1d0 include/linux/seqlock.h:105
Code: 00 4d 85 e4 75 16 e8 45 c3 0f 00 eb 15 e8 3e c3 0f 00 e8 09 fb 0c 09 4d 85 e4 74 ea e8 2f c3 0f 00 fb 48 c7 04 24 0e 36 e0 45 <4b> c7 04 3e 00 00 00 00 43 c7 44 3e 08 00 00 00 00 65 48 8b 04 25
RSP: 0018:ffffc900001efe40 EFLAGS: 00000246
RAX: ffffffff81775181 RBX: 0000000000000000 RCX: ffff888031ca3c00
RDX: 0000000000000100 RSI: 0000000000000000 RDI: 0000000000000000
RBP: ffffc900001efef8 R08: ffffffff911bf5f7 R09: 1ffffffff2237ebe
R10: dffffc0000000000 R11: fffffbfff2237ebf R12: 0000000000000200
R13: 000001fb63109b96 R14: 1ffff9200003dfc8 R15: dffffc0000000000
FS: 00007fd2153156c0(0000) GS:ffff8880b8f00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f803f7c3ff8 CR3: 00000000783d7000 CR4: 00000000003506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000600
Call Trace:
ktime_get_with_offset+0x94/0x330 kernel/time/timekeeping.c:889
ktime_get_real include/linux/timekeeping.h:79 [inline]
netif_rx_internal+0x344/0x4e0 net/core/dev.c:5128
__netif_rx+0x78/0xc0 net/core/dev.c:5171
veth_forward_skb drivers/net/veth.c:325 [inline]
veth_xmit+0x550/0x9f0 drivers/net/veth.c:378
__netdev_start_xmit include/linux/netdevice.h:4943 [inline]
netdev_start_xmit include/linux/netdevice.h:4957 [inline]
xmit_one net/core/dev.c:3632 [inline]
dev_hard_start_xmit+0x246/0x740 net/core/dev.c:3648
__dev_queue_xmit+0x1ac2/0x36b0 net/core/dev.c:4438
dev_queue_xmit_accel include/linux/netdevice.h:3119 [inline]
macvlan_queue_xmit drivers/net/macvlan.c:562 [inline]
macvlan_start_xmit+0x2ff/0x670 drivers/net/macvlan.c:586
__netdev_start_xmit include/linux/netdevice.h:4943 [inline]
netdev_start_xmit include/linux/netdevice.h:4957 [inline]
xmit_one net/core/dev.c:3632 [inline]
dev_hard_start_xmit+0x246/0x740 net/core/dev.c:3648
__dev_queue_xmit+0x1ac2/0x36b0 net/core/dev.c:4438
neigh_output include/net/neighbour.h:543 [inline]
ip6_finish_output2+0xe3d/0x1630 net/ipv6/ip6_output.c:141
dst_output include/net/dst.h:467 [inline]
NF_HOOK include/linux/netfilter.h:304 [inline]
ndisc_send_skb+0xc26/0x14f0 net/ipv6/ndisc.c:513
addrconf_rs_timer+0x2d5/0x630 net/ipv6/addrconf.c:4024
call_timer_fn+0x189/0x540 kernel/time/timer.c:1701
expire_timers kernel/time/timer.c:1752 [inline]
__run_timers+0x542/0x800 kernel/time/timer.c:2023
run_timer_softirq+0x67/0xf0 kernel/time/timer.c:2036
handle_softirqs+0x280/0x820 kernel/softirq.c:578
__do_softirq kernel/softirq.c:612 [inline]
invoke_softirq kernel/softirq.c:452 [inline]
__irq_exit_rcu+0xd3/0x190 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:finish_task_switch+0x26a/0x8f0 kernel/sched/core.c:5255
Code: 0f 84 33 01 00 00 48 85 db 0f 85 52 01 00 00 0f 1f 44 00 00 4c 8b 75 d0 4c 89 e7 e8 f0 93 30 09 e8 7b 23 30 00 fb 4c 8b 65 c0 <49> 8d bc 24 f8 15 00 00 48 89 f8 48 c1 e8 03 42 0f b6 04 28 84 c0
RSP: 0018:ffffc900194e77f8 EFLAGS: 00000282
RAX: 8297278c08d3ab00 RBX: 0000000000000000 RCX: 8297278c08d3ab00
RDX: dffffc0000000000 RSI: ffffffff8acac900 RDI: ffffffff8b1c81e0
RBP: ffffc900194e7850 R08: ffffffff911bf5ff R09: 1ffffffff2237ebf
R10: dffffc0000000000 R11: fffffbfff2237ec0 R12: ffff888031ca3c00
R13: dffffc0000000000 R14: ffff88805a4dbc00 R15: ffff8880b8f3cac8
context_switch kernel/sched/core.c:5384 [inline]
__schedule+0x155b/0x45a0 kernel/sched/core.c:6700
preempt_schedule_irq+0xbf/0x150 kernel/sched/core.c:7010
irqentry_exit+0x67/0x70 kernel/entry/common.c:438
asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:687
RIP: 0010:task_function_call kernel/events/core.c:122 [inline]
RIP: 0010:perf_install_in_context+0x5c0/0x920 kernel/events/core.c:2948
Code: 4d 89 ec 49 c1 ec 03 43 0f b6 04 3c 84 c0 75 63 41 8b 7d 00 48 c7 c6 e0 bf af 81 4c 89 f2 b9 01 00 00 00 e8 b2 ac cc ff 89 c3 <31> ff 89 c6 e8 57 bc d7 ff 85 db 74 0c e8 9e b8 d7 ff 83 fb f5 74
RSP: 0018:ffffc900194e7be0 EFLAGS: 00000246
RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000080000
RDX: ffffc9000d8cb000 RSI: 0000000000011359 RDI: 000000000001135a
RBP: ffffc900194e7d30 R08: ffffffff911bf5ff R09: 1ffffffff2237ebf
R10: dffffc0000000000 R11: fffffbfff2237ec0 R12: 1ffff11006394782
R13: ffff888031ca3c14 R14: ffffc900194e7c60 R15: dffffc0000000000
__do_sys_perf_event_open kernel/events/core.c:12915 [inline]
__se_sys_perf_event_open+0x1836/0x1c50 kernel/events/core.c:12567
do_syscall_x64 arch/x86/entry/common.c:46 [inline]
do_syscall_64+0x55/0xa0 arch/x86/entry/common.c:76
entry_SYSCALL_64_after_hwframe+0x68/0xd2
RIP: 0033:0x7fd21439bf79
Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 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 e8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007fd215315028 EFLAGS: 00000246 ORIG_RAX: 000000000000012a
RAX: ffffffffffffffda RBX: 00007fd214615fa0 RCX: 00007fd21439bf79
RDX: ffffffffffffffff RSI: 0000000000000000 RDI: 0000200000000140
RBP: 00007fd2144327e0 R08: 0000000000000002 R09: 0000000000000000
R10: ffffffffffffffff R11: 0000000000000246 R12: 0000000000000000
R13: 00007fd214616038 R14: 00007fd214615fa0 R15: 00007ffd78b79c88