rcu: INFO: rcu_preempt self-detected stall on CPU rcu: 0-....: (10499 ticks this GP) idle=fb6c/1/0x4000000000000000 softirq=26297/26297 fqs=4851 rcu: hardirqs softirqs csw/system rcu: number: 1219619 0 0 rcu: cputime: 19394 33095 43 ==> 52520(ms) rcu: (t=10503 jiffies g=31401 q=2160 ncpus=2) CPU: 0 PID: 9012 Comm: syz.0.868 Not tainted syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025 RIP: 0010:ktime_get_with_offset+0x8f/0x330 kernel/time/timekeeping.c:889 Code: 53 8b d4 0c 31 ff 89 ee e8 4e 8f 0f 00 85 ed 0f 85 83 02 00 00 e8 91 8b 0f 00 4c 8b 34 24 4c 89 f0 48 c1 e8 03 48 89 44 24 18 4c fa ff ff 8b 1d 26 95 5e 0b 89 de 83 e6 01 31 ff e8 1a 8f 0f RSP: 0018:ffffc90000006e08 EFLAGS: 00000246 RAX: ffffffff817605d9 RBX: 000000000000feb0 RCX: ffff888029eb0000 RDX: 0000000000000100 RSI: 0000000000000018 RDI: 0000000000000040 RBP: fffffffffedcbd40 R08: ffffffff90da85ef R09: 1ffffffff21b50bd R10: dffffc0000000000 R11: fffffbfff21b50be R12: 0002f0ca1fe5236e R13: 000001fb63109b96 R14: ffffffff8cd49a08 R15: 0000000000000018 FS: 00007f6d759f66c0(0000) GS:ffff8880b8e00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007efdf144f766 CR3: 0000000076734000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000200000000300 DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000600 Call Trace: ktime_get_real include/linux/timekeeping.h:79 [inline] netif_rx_internal+0x34a/0x4e0 net/core/dev.c:5115 __netif_rx+0x78/0xc0 net/core/dev.c:5158 veth_forward_skb drivers/net/veth.c:321 [inline] veth_xmit+0x550/0x9f0 drivers/net/veth.c:374 __netdev_start_xmit include/linux/netdevice.h:4943 [inline] netdev_start_xmit include/linux/netdevice.h:4957 [inline] xmit_one net/core/dev.c:3619 [inline] dev_hard_start_xmit+0x246/0x740 net/core/dev.c:3635 __dev_queue_xmit+0x1a64/0x35a0 net/core/dev.c:4425 dev_queue_xmit_accel include/linux/netdevice.h:3119 [inline] macvlan_queue_xmit drivers/net/macvlan.c:556 [inline] macvlan_start_xmit+0x2f0/0x660 drivers/net/macvlan.c:580 __netdev_start_xmit include/linux/netdevice.h:4943 [inline] netdev_start_xmit include/linux/netdevice.h:4957 [inline] xmit_one net/core/dev.c:3619 [inline] dev_hard_start_xmit+0x246/0x740 net/core/dev.c:3635 sch_direct_xmit+0x252/0x4a0 net/sched/sch_generic.c:342 __dev_xmit_skb net/core/dev.c:3856 [inline] __dev_queue_xmit+0x173e/0x35a0 net/core/dev.c:4391 dev_queue_xmit include/linux/netdevice.h:3113 [inline] neigh_hh_output include/net/neighbour.h:527 [inline] neigh_output include/net/neighbour.h:541 [inline] ip6_finish_output2+0xdf5/0x1650 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+0xbed/0x14b0 net/ipv6/ndisc.c:513 addrconf_rs_timer+0x2bc/0x600 net/ipv6/addrconf.c:4006 call_timer_fn+0x16e/0x530 kernel/time/timer.c:1700 expire_timers kernel/time/timer.c:1751 [inline] __run_timers+0x52d/0x7d0 kernel/time/timer.c:2022 run_timer_softirq+0x67/0xf0 kernel/time/timer.c:2035 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+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:finish_task_switch+0x26a/0x920 kernel/sched/core.c:5254 Code: 0f 84 37 01 00 00 48 85 db 0f 85 56 01 00 00 0f 1f 44 00 00 4c 8b 75 d0 4c 89 e7 e8 70 25 1c 09 e8 1b a3 2f 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:ffffc9000bca7778 EFLAGS: 00000286 RAX: 1d3774588623f100 RBX: 0000000000000000 RCX: 1d3774588623f100 RDX: dffffc0000000000 RSI: ffffffff8aaabce0 RDI: ffffffff8afc6b00 RBP: ffffc9000bca77d0 R08: ffffffff90da85ff R09: 1ffffffff21b50bf R10: dffffc0000000000 R11: fffffbfff21b50c0 R12: ffff888029eb0000 R13: dffffc0000000000 R14: ffff88805e3c3c00 R15: ffff8880b8e3ccc8 context_switch kernel/sched/core.c:5383 [inline] __schedule+0x14da/0x44d0 kernel/sched/core.c:6699 preempt_schedule_common+0x82/0xc0 kernel/sched/core.c:6866 preempt_schedule+0xab/0xc0 kernel/sched/core.c:6890 preempt_schedule_thunk+0x1a/0x30 arch/x86/entry/thunk_64.S:45 smp_call_function_single+0x469/0x580 kernel/smp.c:652 task_function_call kernel/events/core.c:120 [inline] perf_install_in_context+0x591/0x8e0 kernel/events/core.c:2948 __do_sys_perf_event_open kernel/events/core.c:12915 [inline] __se_sys_perf_event_open+0x17fa/0x1c20 kernel/events/core.c:12567 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: 0033:0x7f6d7778f6c9 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:00007f6d759f6038 EFLAGS: 00000246 ORIG_RAX: 000000000000012a RAX: ffffffffffffffda RBX: 00007f6d779e5fa0 RCX: 00007f6d7778f6c9 RDX: ffffffffffffffff RSI: 0000000000000000 RDI: 0000200000000480 RBP: 00007f6d77811f91 R08: 0000000000000000 R09: 0000000000000000 R10: ffffffffffffffff R11: 0000000000000246 R12: 0000000000000000 R13: 00007f6d779e6038 R14: 00007f6d779e5fa0 R15: 00007ffdbd014c18