rcu: INFO: rcu_preempt self-detected stall on CPU
rcu: 0-....: (10366 ticks this GP) idle=248c/1/0x4000000000000000 softirq=25033/25034 fqs=4614
rcu: hardirqs softirqs csw/system
rcu: number: 1426210 0 0
rcu: cputime: 17560 34918 42 ==> 52480(ms)
rcu: (t=10500 jiffies g=28085 q=1909 ncpus=2)
CPU: 0 PID: 8848 Comm: syz.1.920 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026
RIP: 0010:kasan_get_alloc_meta mm/kasan/generic.c:434 [inline]
RIP: 0010:kasan_save_alloc_info+0xb/0x30 mm/kasan/generic.c:509
Code: 08 5b 41 5e 41 5f c3 0f 1f 84 00 00 00 00 00 66 0f 1f 00 31 f6 e9 35 ff ff ff 0f 1f 44 00 00 66 0f 1f 00 48 63 87 bc 00 00 00 <48> 85 c0 0f 94 c1 48 01 c6 0f 94 c0 08 c8 74 01 c3 48 89 f7 89 d6
RSP: 0018:ffffc90000006f18 EFLAGS: 00000246
RAX: 00000000000002c0 RBX: ffff88805efda080 RCX: 0000000000000000
RDX: 0000000000082820 RSI: ffff88805efda080 RDI: ffff88801de7f8c0
RBP: 0000000000082820 R08: ffffc90000006fc8 R09: 0000000000000000
R10: ffffed100bdfb410 R11: fffffbfff2239ab3 R12: 0000000000000001
R13: 00000000000002c0 R14: ffff88801de7f8c0 R15: 0000000000000001
FS: 00007fb2331ee6c0(0000) GS:ffff8880b8e00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fb1c99456b8 CR3: 000000004bbdd000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000600
Call Trace:
__kasan_slab_alloc+0x6c/0x80 mm/kasan/common.c:329
kasan_slab_alloc include/linux/kasan.h:188 [inline]
slab_post_alloc_hook+0x6e/0x4b0 mm/slab.h:767
slab_alloc_node mm/slub.c:3495 [inline]
kmem_cache_alloc_node+0x14c/0x320 mm/slub.c:3540
kmalloc_reserve+0x95/0x240 net/core/skbuff.c:562
__alloc_skb+0x138/0x2c0 net/core/skbuff.c:653
alloc_skb include/linux/skbuff.h:1316 [inline]
arp_create+0x19f/0x9f0 net/ipv4/arp.c:560
arp_send_dst+0xa7/0x230 net/ipv4/arp.c:314
arp_solicit+0xc05/0xe40 net/ipv4/arp.c:392
neigh_probe net/core/neighbour.c:1080 [inline]
__neigh_event_send+0xed1/0x1440 net/core/neighbour.c:1247
neigh_event_send_probe include/net/neighbour.h:467 [inline]
neigh_event_send include/net/neighbour.h:473 [inline]
neigh_resolve_output+0x19b/0x730 net/core/neighbour.c:1552
neigh_output include/net/neighbour.h:543 [inline]
ip_finish_output2+0xd3a/0x11e0 net/ipv4/ip_output.c:235
NF_HOOK_COND include/linux/netfilter.h:293 [inline]
ip_output+0x2a1/0x3b0 net/ipv4/ip_output.c:436
dst_output include/net/dst.h:467 [inline]
ip_local_out net/ipv4/ip_output.c:129 [inline]
ip_send_skb+0x12f/0x1d0 net/ipv4/ip_output.c:1498
__icmp_send+0x10b5/0x1420 net/ipv4/icmp.c:801
ipv4_send_dest_unreach net/ipv4/route.c:1263 [inline]
ipv4_link_failure+0x657/0xa40 net/ipv4/route.c:1270
dst_link_failure include/net/dst.h:437 [inline]
arp_error_report+0x112/0x160 net/ipv4/arp.c:296
neigh_invalidate+0x22c/0x450 net/core/neighbour.c:1064
neigh_timer_handler+0x914/0xff0 net/core/neighbour.c:1151
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 e0 94 34 09 e8 1b 2f 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:ffffc90004867758 EFLAGS: 00000282
RAX: 3710aadd7fa2cf00 RBX: 0000000000000000 RCX: 3710aadd7fa2cf00
RDX: dffffc0000000000 RSI: ffffffff8acacbe0 RDI: ffffffff8b1c9c20
RBP: ffffc900048677b0 R08: ffffffff911cd5ff R09: 1ffffffff2239abf
R10: dffffc0000000000 R11: fffffbfff2239ac0 R12: ffff888079169e00
R13: dffffc0000000000 R14: ffff88807b408000 R15: ffff8880b8e3cb48
context_switch kernel/sched/core.c:5384 [inline]
__schedule+0x155b/0x45a0 kernel/sched/core.c:6700
preempt_schedule_common+0x82/0xc0 kernel/sched/core.c:6867
preempt_schedule+0xc0/0xd0 kernel/sched/core.c:6891
preempt_schedule_thunk+0x1a/0x30 arch/x86/entry/thunk_64.S:45
smp_call_function_single+0x48d/0x5a0 kernel/smp.c:652
task_function_call kernel/events/core.c:120 [inline]
perf_install_in_context+0x5be/0x920 kernel/events/core.c:2959
__do_sys_perf_event_open kernel/events/core.c:12957 [inline]
__se_sys_perf_event_open+0x1836/0x1c50 kernel/events/core.c:12609
do_syscall_x64 arch/x86/entry/common.c:46 [inline]
do_syscall_64+0x55/0xb0 arch/x86/entry/common.c:76
entry_SYSCALL_64_after_hwframe+0x68/0xd2
RIP: 0033:0x7fb23239ce59
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:00007fb2331ee028 EFLAGS: 00000246 ORIG_RAX: 000000000000012a
RAX: ffffffffffffffda RBX: 00007fb232615fa0 RCX: 00007fb23239ce59
RDX: ffffffffffffffff RSI: 0000000000000000 RDI: 0000200000000140
RBP: 00007fb232432d6f R08: 0000000000000002 R09: 0000000000000000
R10: ffffffffffffffff R11: 0000000000000246 R12: 0000000000000000
R13: 00007fb232616038 R14: 00007fb232615fa0 R15: 00007ffee5ff6538