rcu: INFO: rcu_preempt self-detected stall on CPU
rcu: 1-....: (1 GPs behind) idle=33a4/1/0x4000000000000000 softirq=58795/58796 fqs=4800
rcu: hardirqs softirqs csw/system
rcu: number: 552774 0 0
rcu: cputime: 17885 34604 93 ==> 52500(ms)
rcu: (t=10501 jiffies g=69789 q=682 ncpus=2)
CPU: 1 PID: 12137 Comm: syz.5.1914 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
RIP: 0010:should_resched arch/x86/include/asm/preempt.h:104 [inline]
RIP: 0010:__local_bh_enable_ip+0x136/0x1c0 kernel/softirq.c:413
Code: 8a e8 9e 50 1d 09 65 66 8b 05 86 24 b2 7e 66 85 c0 75 54 bf 01 00 00 00 e8 67 db 09 00 e8 32 5f 3a 00 fb 65 8b 05 52 24 b2 7e <85> c0 75 05 e8 71 08 af ff 48 c7 04 24 0e 36 e0 45 4b c7 04 37 00
RSP: 0018:ffffc900001f0800 EFLAGS: 00000286
RAX: 0000000000000101 RBX: 0000000000000201 RCX: 3244d669b66a9200
RDX: dffffc0000000000 RSI: ffffffff8aaabce0 RDI: ffffffff8afc6b00
RBP: ffffc900001f0880 R08: ffffffff90da85ff R09: 1ffffffff21b50bf
R10: dffffc0000000000 R11: fffffbfff21b50c0 R12: ffffffff892c5d28
R13: ffff88802edd1bb0 R14: dffffc0000000000 R15: 1ffff9200003e100
FS: 00007f8e05dc26c0(0000) GS:ffff8880b8f00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b2fe18ff8 CR3: 0000000059899000 CR4: 00000000003506e0
DR0: 0000200000000300 DR1: 0000200000000300 DR2: 0000200000000300
DR3: 0000200000000300 DR6: 00000000ffff0ff0 DR7: 0000000000000600
Call Trace:
spin_unlock_bh include/linux/spinlock.h:396 [inline]
rt6_uncached_list_add net/ipv6/route.c:147 [inline]
icmp6_dst_alloc+0x388/0x400 net/ipv6/route.c:3324
ndisc_send_skb+0x419/0x14b0 net/ipv6/ndisc.c:493
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:ffffc90003817a00 EFLAGS: 00000246
RAX: 0000000000000000 RBX: 0000000000000200 RCX: ffff88802402da00
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: ffffc90003817ad0 R08: ffffffff90da85ff R09: 1ffffffff21b50bf
R10: dffffc0000000000 R11: fffffbfff21b50c0 R12: 1ffff92000702f44
R13: dffffc0000000000 R14: 0000000000000000 R15: 1ffff92000702f65
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: 0033:0x7f8e04f8f6c9
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:00007f8e05dc2038 EFLAGS: 00000246 ORIG_RAX: 000000000000012a
RAX: ffffffffffffffda RBX: 00007f8e051e5fa0 RCX: 00007f8e04f8f6c9
RDX: ffefffffffffffff RSI: 0000000000000000 RDI: 0000200000000700
RBP: 00007f8e05011f91 R08: 0000000000000000 R09: 0000000000000000
R10: ffffffffffffffff R11: 0000000000000246 R12: 0000000000000000
R13: 00007f8e051e6038 R14: 00007f8e051e5fa0 R15: 00007ffd1682e668