rcu: INFO: rcu_preempt self-detected stall on CPU
rcu: 1-....: (1 GPs behind) idle=15bc/1/0x4000000000000000 softirq=61531/61532 fqs=5175
rcu: hardirqs softirqs csw/system
rcu: number: 1259282 0 0
rcu: cputime: 21043 31436 37 ==> 52480(ms)
rcu: (t=10500 jiffies g=83433 q=343 ncpus=2)
CPU: 1 PID: 14446 Comm: syz.0.2360 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
RIP: 0010:bytes_is_nonzero mm/kasan/generic.c:85 [inline]
RIP: 0010:memory_is_nonzero mm/kasan/generic.c:102 [inline]
RIP: 0010:memory_is_poisoned_n mm/kasan/generic.c:127 [inline]
RIP: 0010:memory_is_poisoned mm/kasan/generic.c:159 [inline]
RIP: 0010:check_region_inline mm/kasan/generic.c:178 [inline]
RIP: 0010:kasan_check_range+0x85/0x290 mm/kasan/generic.c:187
Code: 01 00 00 00 00 fc ff df 4d 8d 34 19 4d 89 f4 4d 29 dc 49 83 fc 10 7f 29 4d 85 e4 0f 84 41 01 00 00 4c 89 cb 48 f7 d3 4c 01 fb <41> 80 3b 00 0f 85 cc 01 00 00 49 ff c3 48 ff c3 75 ee e9 21 01 00
RSP: 0018:ffffc900001f0528 EFLAGS: 00000286
RAX: f2f2f200f1f1f101 RBX: ffffffffffffffff RCX: ffffffff8166d341
RDX: 0000000000000001 RSI: 0000000000000010 RDI: ffff88805fc080f8
RBP: 0000000000000000 R08: ffff88805fc08107 R09: 1ffff1100bf81020
R10: dffffc0000000000 R11: ffffed100bf81020 R12: 0000000000000002
R13: 0000000000000000 R14: ffffed100bf81021 R15: 1ffff1100bf8101f
FS: 00007f19daa986c0(0000) GS:ffff8880b8f00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000000110c2f05b8 CR3: 0000000060bea000 CR4: 00000000003506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000600
Call Trace:
__asan_memset+0x22/0x40 mm/kasan/shadow.c:84
lockdep_init_map_type+0xa1/0x880 kernel/locking/lockdep.c:4863
lockdep_init_map_waits include/linux/lockdep.h:192 [inline]
lockdep_init_map_wait include/linux/lockdep.h:199 [inline]
lockdep_init_map include/linux/lockdep.h:205 [inline]
do_init_timer kernel/time/timer.c:850 [inline]
init_timer_key+0x161/0x2a0 kernel/time/timer.c:870
neigh_alloc net/core/neighbour.c:508 [inline]
___neigh_create+0x9da/0x2440 net/core/neighbour.c:649
ip6_finish_output2+0x159e/0x1650 net/ipv6/ip6_output.c:132
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:1701
expire_timers kernel/time/timer.c:1752 [inline]
__run_timers+0x52d/0x7d0 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+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 cd e6 0a 00 48 85 db 75 16 e8 c3 e6 0a 00 eb 15 e8 bc e6 0a 00 e8 47 cd ec 08 48 85 db 74 ea e8 ad 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:ffffc90004b5f860 EFLAGS: 00000246
RAX: 0000000000000000 RBX: 0000000000000200 RCX: 0000000000080000
RDX: ffffc90013d70000 RSI: 0000000000000fda RDI: 0000000000000fdb
RBP: ffffc90004b5f930 R08: ffffffff90d945ff R09: 1ffffffff21b28bf
R10: dffffc0000000000 R11: fffffbfff21b28c0 R12: 1ffff9200096bf10
R13: dffffc0000000000 R14: 0000000000000000 R15: 1ffff9200096bf31
smp_call_function_single+0x352/0x580 kernel/smp.c:647
task_function_call kernel/events/core.c:120 [inline]
event_function_call+0x31f/0x5f0 kernel/events/core.c:305
_perf_event_period kernel/events/core.c:5904 [inline]
_perf_ioctl kernel/events/core.c:5973 [inline]
perf_ioctl+0x1fff/0x2440 kernel/events/core.c:6074
vfs_ioctl fs/ioctl.c:51 [inline]
__do_sys_ioctl fs/ioctl.c:871 [inline]
__se_sys_ioctl+0xfd/0x170 fs/ioctl.c:857
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: 0033:0x7f19d9b8f749
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:00007f19daa98038 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 00007f19d9de5fa0 RCX: 00007f19d9b8f749
RDX: 00002000000001c0 RSI: 0000000040082404 RDI: 0000000000000004
RBP: 00007f19d9c13f91 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f19d9de6038 R14: 00007f19d9de5fa0 R15: 00007ffd5e46a8d8