rcu: INFO: rcu_preempt self-detected stall on CPU
rcu: 0-....: (10501 ticks this GP) idle=ce94/1/0x4000000000000000 softirq=10807/10807 fqs=5244
rcu: hardirqs softirqs csw/system
rcu: number: 1396230 0 0
rcu: cputime: 17219 35280 34 ==> 52520(ms)
rcu: (t=10503 jiffies g=9825 q=1593 ncpus=2)
CPU: 0 PID: 5889 Comm: syz.0.5 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
RIP: 0010:__kasan_record_aux_stack+0x0/0xc0 mm/kasan/generic.c:476
Code: 0f 95 c6 c1 e6 04 31 c0 85 d2 48 0f 45 c6 48 01 c8 c3 0f 1f 84 00 00 00 00 00 66 0f 1f 00 be 01 00 00 00 eb 05 0f 1f 44 00 00 <41> 57 41 56 53 89 f3 49 89 fe e8 61 da ff ff 48 8b 0d 02 b5 6d 0c
RSP: 0018:ffffc90000007178 EFLAGS: 00000246
RAX: 1ffff11005ad779a RBX: ffff88802d6bbcd0 RCX: 0000000000000300
RDX: dffffc0000000000 RSI: 0000000000000000 RDI: ffff88802d6bbcd0
RBP: ffffc900000072a8 R08: ffffffff90da85ff R09: 1ffffffff21b50bf
R10: dffffc0000000000 R11: fffffbfff21b50c0 R12: dffffc0000000000
R13: 1ffff92000000e40 R14: ffffffff886de890 R15: 0000000000000000
FS: 00007f2fbd8316c0(0000) GS:ffff8880b8e00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b2e822ff8 CR3: 000000002d449000 CR4: 00000000003506f0
Call Trace:
__call_rcu_common kernel/rcu/tree.c:2721 [inline]
call_rcu+0x158/0x930 kernel/rcu/tree.c:2837
refdst_drop include/net/dst.h:270 [inline]
skb_dst_drop include/net/dst.h:282 [inline]
skb_release_head_state+0x71/0x240 net/core/skbuff.c:1036
skb_release_all net/core/skbuff.c:1051 [inline]
__kfree_skb net/core/skbuff.c:1067 [inline]
kfree_skb_reason+0xd7/0x170 net/core/skbuff.c:1103
kfree_skb include/linux/skbuff.h:1232 [inline]
ip6_tnl_start_xmit+0xaf4/0x1140 net/ipv6/ip6_tunnel.c:1455
__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
neigh_output include/net/neighbour.h:543 [inline]
ip6_finish_output2+0xe2e/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:generic_exec_single+0x476/0x4f0 kernel/smp.c:418
Code: 75 11 e8 3d e6 0a 00 48 85 db 75 16 e8 33 e6 0a 00 eb 15 e8 2c e6 0a 00 e8 47 24 f4 08 48 85 db 74 ea e8 1d e6 0a 00 fb 31 c0 <48> c7 44 24 20 0e 36 e0 45 4b c7 04 2c 00 00 00 00 66 43 c7 44 2c
RSP: 0018:ffffc90004abfa00 EFLAGS: 00000246
RAX: 0000000000000000 RBX: 0000000000000200 RCX: 0000000000080000
RDX: ffffc9000ccea000 RSI: 0000000000004ae0 RDI: 0000000000004ae1
RBP: ffffc90004abfad0 R08: ffffffff90da85ff R09: 1ffffffff21b50bf
R10: dffffc0000000000 R11: fffffbfff21b50c0 R12: 1ffff92000957f44
R13: dffffc0000000000 R14: 0000000000000000 R15: 1ffff92000957f65
smp_call_function_single+0x352/0x580 kernel/smp.c:647
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: 0033:0x7f2fbc98f6c9
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:00007f2fbd831038 EFLAGS: 00000246 ORIG_RAX: 000000000000012a
RAX: ffffffffffffffda RBX: 00007f2fbcbe5fa0 RCX: 00007f2fbc98f6c9
RDX: ffffffffffffffff RSI: 0000000000000000 RDI: 0000200000000140
RBP: 00007f2fbca11f91 R08: 0000000000000002 R09: 0000000000000000
R10: ffffffffffffffff R11: 0000000000000246 R12: 0000000000000000
R13: 00007f2fbcbe6038 R14: 00007f2fbcbe5fa0 R15: 00007ffdd38354c8