rcu: INFO: rcu_preempt self-detected stall on CPU
rcu: 1-....: (1 GPs behind) idle=6fe4/1/0x4000000000000000 softirq=13385/13387 fqs=4877
rcu: hardirqs softirqs csw/system
rcu: number: 1352825 0 0
rcu: cputime: 18611 33878 69 ==> 52510(ms)
rcu: (t=10502 jiffies g=12477 q=1327 ncpus=2)
CPU: 1 PID: 6001 Comm: syz.1.18 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
RIP: 0010:rcu_preempt_read_enter kernel/rcu/tree_plugin.h:379 [inline]
RIP: 0010:__rcu_read_lock+0x29/0x60 kernel/rcu/tree_plugin.h:402
Code: 00 f3 0f 1e fa 53 65 48 8b 1d a3 0d 92 7e 48 81 c3 3c 04 00 00 48 89 d8 48 c1 e8 03 48 b9 00 00 00 00 00 fc ff df 0f b6 04 08 <84> c0 75 11 ff 03 8b 03 3d 00 00 00 40 7d 02 5b c3 0f 0b eb fa 89
RSP: 0018:ffffc900001efd38 EFLAGS: 00000a03
RAX: 0000000000000000 RBX: ffff88807e0d5e3c RCX: dffffc0000000000
RDX: 0000000000000100 RSI: ffffffff8b1c81c0 RDI: 00007fc2eaf9aeb9
RBP: 0000000000000001 R08: ffff88807e0d5a00 R09: 0000000000000003
R10: 0000000000000004 R11: 0000000000000100 R12: ffffffff8aa000d0
R13: 1ffff9200003e040 R14: 00007fc2eaf9aeb9 R15: 1ffff9200003dfc6
FS: 0000555558334500(0000) GS:ffff8880b8f00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000000000001d695 CR3: 000000002bf70000 CR4: 00000000003506e0
Call Trace:
rcu_read_lock include/linux/rcupdate.h:784 [inline]
is_bpf_text_address+0x1f/0x2a0 kernel/bpf/core.c:741
kernel_text_address+0xa0/0xd0 kernel/extable.c:125
__kernel_text_address+0xd/0x30 kernel/extable.c:79
unwind_get_return_address+0x5d/0xc0 arch/x86/kernel/unwind_orc.c:369
arch_stack_walk+0x11d/0x190 arch/x86/kernel/stacktrace.c:26
stack_trace_save+0xaa/0x100 kernel/stacktrace.c:122
kasan_save_stack+0x3e/0x60 mm/kasan/common.c:46
__kasan_record_aux_stack+0xaf/0xc0 mm/kasan/generic.c:492
__call_rcu_common kernel/rcu/tree.c:2721 [inline]
call_rcu+0x153/0x950 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:1040
skb_release_all net/core/skbuff.c:1055 [inline]
__kfree_skb net/core/skbuff.c:1071 [inline]
kfree_skb_reason+0xd7/0x170 net/core/skbuff.c:1107
kfree_skb include/linux/skbuff.h:1232 [inline]
xfrmi_xmit+0xd15/0x1750 net/xfrm/xfrm_interface_core.c:583
__netdev_start_xmit include/linux/netdevice.h:4943 [inline]
netdev_start_xmit include/linux/netdevice.h:4957 [inline]
xmit_one net/core/dev.c:3658 [inline]
dev_hard_start_xmit+0x246/0x740 net/core/dev.c:3674
__dev_queue_xmit+0x1ac2/0x36b0 net/core/dev.c:4464
neigh_output include/net/neighbour.h:543 [inline]
ip6_finish_output2+0xe3d/0x1630 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+0xc26/0x14f0 net/ipv6/ndisc.c:513
addrconf_rs_timer+0x2d5/0x630 net/ipv6/addrconf.c:4024
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:get_lock_parent_ip include/linux/ftrace.h:-1 [inline]
RIP: 0010:preempt_latency_start kernel/sched/core.c:5827 [inline]
RIP: 0010:preempt_count_add+0x95/0x1a0 kernel/sched/core.c:5852
Code: b6 c0 3d f5 00 00 00 73 58 65 8b 05 fd 37 a7 7e 25 ff ff ff 7f 39 f8 75 42 48 8b 5c 24 18 48 89 df e8 2f e5 0c 00 85 c0 74 09 <31> db 31 ff e8 22 e5 0c 00 65 4c 8b 35 ca 37 a7 7e 49 81 c6 c8 14
RSP: 0018:ffffc900036c7df0 EFLAGS: 00000202
RAX: 0000000000000001 RBX: ffffffff8a8de1b2 RCX: ffffffff972c6401
RDX: ffff88807e0d5a00 RSI: 0000000000000000 RDI: ffffffff8a8de1b2
RBP: ffffc900036c7ee8 R08: ffffffff8e8adfaf R09: 1ffffffff1d15bf5
R10: dffffc0000000000 R11: fffffbfff1d15bf6 R12: 0000000000000003
R13: ffff88803069cfc0 R14: ffff88807e0d6201 R15: dffffc0000000000
__raw_spin_lock include/linux/spinlock_api_smp.h:132 [inline]
_raw_spin_lock+0x12/0x40 kernel/locking/spinlock.c:154
__close_range+0x1e7/0x660 fs/file.c:-1
__do_sys_close_range fs/open.c:1599 [inline]
__se_sys_close_range fs/open.c:1596 [inline]
__x64_sys_close_range+0x7a/0x90 fs/open.c:1596
do_syscall_x64 arch/x86/entry/common.c:46 [inline]
do_syscall_64+0x55/0xa0 arch/x86/entry/common.c:76
entry_SYSCALL_64_after_hwframe+0x68/0xd2
RIP: 0033:0x7fc2eaf9aeb9
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:00007ffe84db65c8 EFLAGS: 00000246 ORIG_RAX: 00000000000001b4
RAX: ffffffffffffffda RBX: 00007ffe84db66b0 RCX: 00007fc2eaf9aeb9
RDX: 0000000000000000 RSI: 000000000000001e RDI: 0000000000000003
RBP: 000000000001d695 R08: 0000000000000001 R09: 0000000000000000
R10: 0000001b2c120000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fc2eb215fac R14: 00007fc2eb215fa8 R15: 00007fc2eb215fa0