RBP: 0000000000000000 R08: 0000000000000001 R09: 000000068980202f
R10: 0000001b2f220000 R11: 0000000000000246 R12: 00007eff079e5fac
R13: 00007eff079e5fa0 R14: ffffffffffffffff R15: 0000000000000003
watchdog: BUG: soft lockup - CPU#1 stuck for 225s! [syz.2.1232:1612]
Modules linked in:
CPU: 1 PID: 1612 Comm: syz.2.1232 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
RIP: 0010:csd_lock_wait kernel/smp.c:453 [inline]
RIP: 0010:smp_call_function_many_cond+0x872/0x960 kernel/smp.c:998
Code: 41 8b 1f 89 de 83 e6 01 31 ff e8 29 66 09 00 83 e3 01 48 bb 00 00 00 00 00 fc ff df 75 0a e8 f5 61 09 00 e9 38 ff ff ff f3 90 <41> 0f b6 44 1d 00 84 c0 75 14 41 f7 07 01 00 00 00 0f 84 1a ff ff
RSP: 0018:ffffc90001eaf7c0 EFLAGS: 00000293
RAX: ffffffff8166bc4e RBX: dffffc0000000000 RCX: ffff8881164d1440
RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000000
RBP: ffffc90001eaf8f8 R08: dffffc0000000000 R09: ffffed103ee2721b
R10: 0000000000000000 R11: ffffffff813435c0 R12: 1ffff1103ee27218
R13: 1ffff1103ee07ae1 R14: 0000000000000000 R15: ffff8881f703d708
FS: 0000555580f91500(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000000000 CR3: 0000000120f7c000 CR4: 00000000003506a0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
on_each_cpu_cond_mask+0x43/0x80 kernel/smp.c:1166
on_each_cpu include/linux/smp.h:71 [inline]
text_poke_sync arch/x86/kernel/alternative.c:1574 [inline]
text_poke_bp_batch+0x1cc/0x580 arch/x86/kernel/alternative.c:1774
text_poke_flush arch/x86/kernel/alternative.c:1965 [inline]
text_poke_finish+0x1a/0x30 arch/x86/kernel/alternative.c:1972
arch_jump_label_transform_apply+0x15/0x30 arch/x86/kernel/jump_label.c:146
__jump_label_update+0x37c/0x3a0 kernel/jump_label.c:451
jump_label_update+0x39b/0x450 kernel/jump_label.c:797
static_key_disable_cpuslocked+0xc9/0x1a0 kernel/jump_label.c:203
static_key_disable+0x1a/0x30 kernel/jump_label.c:211
tracepoint_remove_func kernel/tracepoint.c:417 [inline]
tracepoint_probe_unregister+0x624/0x8b0 kernel/tracepoint.c:551
bpf_probe_unregister+0x61/0x70 kernel/trace/bpf_trace.c:2359
bpf_raw_tp_link_release+0x63/0x90 kernel/bpf/syscall.c:3170
bpf_link_free+0x13a/0x390 kernel/bpf/syscall.c:2739
bpf_link_put kernel/bpf/syscall.c:2765 [inline]
bpf_link_release+0x15f/0x170 kernel/bpf/syscall.c:2774
__fput+0x1fc/0x8f0 fs/file_table.c:320
____fput+0x15/0x20 fs/file_table.c:348
task_work_run+0x1db/0x240 kernel/task_work.c:203
resume_user_mode_work include/linux/resume_user_mode.h:49 [inline]
exit_to_user_mode_loop+0x9b/0xb0 kernel/entry/common.c:177
exit_to_user_mode_prepare+0x5a/0xa0 kernel/entry/common.c:210
__syscall_exit_to_user_mode_work kernel/entry/common.c:292 [inline]
syscall_exit_to_user_mode+0x1a/0x30 kernel/entry/common.c:303
do_syscall_64+0x58/0xa0 arch/x86/entry/common.c:87
entry_SYSCALL_64_after_hwframe+0x68/0xd2
RIP: 0033:0x7eff0778efc9
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:00007ffe89801d38 EFLAGS: 00000246 ORIG_RAX: 00000000000001b4
RAX: 0000000000000000 RBX: 00000000000567c7 RCX: 00007eff0778efc9
RDX: 0000000000000000 RSI: 000000000000001e RDI: 0000000000000003
RBP: 0000000000000000 R08: 0000000000000001 R09: 000000068980202f
R10: 0000001b2f220000 R11: 0000000000000246 R12: 00007eff079e5fac
R13: 00007eff079e5fa0 R14: ffffffffffffffff R15: 0000000000000003
Sending NMI from CPU 1 to CPUs 0:
NMI backtrace for cpu 0
CPU: 0 PID: 19 Comm: kworker/0:1 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
Workqueue: rcu_gp srcu_invoke_callbacks
RIP: 0010:native_halt arch/x86/include/asm/irqflags.h:57 [inline]
RIP: 0010:halt arch/x86/include/asm/irqflags.h:98 [inline]
RIP: 0010:kvm_wait+0xcc/0x140 arch/x86/kernel/kvm.c:1058
Code: 20 f6 44 24 21 02 75 24 48 89 f8 48 c1 e8 03 42 0f b6 04 30 84 c0 75 48 0f b6 07 40 38 f0 75 a6 66 90 0f 00 2d 45 96 13 04 f4 9a fa 48 89 f8 48 c1 e8 03 42 0f b6 04 30 84 c0 75 3f 0f b6 07
RSP: 0018:ffffc90000006a20 EFLAGS: 00000046
RAX: 0000000000000003 RBX: ffff8881f7027c40 RCX: ffffffff84f43dc2
RDX: dffffc0000000000 RSI: 0000000000000003 RDI: ffff8881f7027c40
RBP: ffffc90000006ab0 R08: dffffc0000000000 R09: ffffed103ee04f89
R10: ffffed103ee04f89 R11: 1ffff1103ee04f88 R12: 1ffff1103ee00001
R13: ffff8881f7038cd4 R14: dffffc0000000000 R15: 1ffff92000000d44
FS: 0000000000000000(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007ffe89801e58 CR3: 000000010fc89000 CR4: 00000000003506b0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
pv_wait arch/x86/include/asm/paravirt.h:603 [inline]
pv_wait_head_or_lock kernel/locking/qspinlock_paravirt.h:470 [inline]
__pv_queued_spin_lock_slowpath+0x690/0xc40 kernel/locking/qspinlock.c:511
pv_queued_spin_lock_slowpath arch/x86/include/asm/paravirt.h:591 [inline]
queued_spin_lock_slowpath+0x47/0x50 arch/x86/include/asm/qspinlock.h:51
queued_spin_lock include/asm-generic/qspinlock.h:114 [inline]
do_raw_spin_lock include/linux/spinlock.h:187 [inline]
__raw_spin_lock_irqsave include/linux/spinlock_api_smp.h:111 [inline]
_raw_spin_lock_irqsave+0x108/0x110 kernel/locking/spinlock.c:162
lock_timer_base+0x127/0x270 kernel/time/timer.c:1005
__mod_timer+0x10a/0xb30 kernel/time/timer.c:1078
add_timer+0x68/0x80 kernel/time/timer.c:1218
__queue_delayed_work+0x173/0x200 kernel/workqueue.c:1686
queue_delayed_work_on+0xdb/0x150 kernel/workqueue.c:1711
queue_delayed_work include/linux/workqueue.h:525 [inline]
schedule_delayed_monitor_work kernel/rcu/tree.c:3216 [inline]
kvfree_call_rcu+0x436/0x7a0 kernel/rcu/tree.c:3472
trie_delete_elem+0x572/0x720 kernel/bpf/lpm_trie.c:545
bpf_prog_5186c38a4019a4cb+0x42/0x46
bpf_dispatcher_nop_func include/linux/bpf.h:987 [inline]
__bpf_prog_run include/linux/filter.h:603 [inline]
bpf_prog_run include/linux/filter.h:610 [inline]
__bpf_trace_run kernel/trace/bpf_trace.c:2283 [inline]
bpf_trace_run3+0x113/0x270 kernel/trace/bpf_trace.c:2323
__bpf_trace_timer_start+0x2b/0x40 include/trace/events/timer.h:53
trace_timer_start include/trace/events/timer.h:53 [inline]
enqueue_timer+0x337/0x480 kernel/time/timer.c:615
__mod_timer+0x79f/0xb30 kernel/time/timer.c:-1
mod_timer+0x1f/0x30 kernel/time/timer.c:1172
sk_reset_timer+0x22/0xb0 net/core/sock.c:3390
inet_csk_reset_xmit_timer include/net/inet_connection_sock.h:-1 [inline]
tcp_reset_xmit_timer include/net/tcp.h:1366 [inline]
tcp_rearm_rto+0x312/0x700 net/ipv4/tcp_input.c:3264
tcp_event_new_data_sent+0x250/0x400 net/ipv4/tcp_output.c:82
tcp_write_xmit+0x161f/0x5fb0 net/ipv4/tcp_output.c:2717
__tcp_push_pending_frames+0x9c/0x2f0 net/ipv4/tcp_output.c:2895
tcp_push_pending_frames include/net/tcp.h:1987 [inline]
tcp_data_snd_check net/ipv4/tcp_input.c:5605 [inline]
tcp_rcv_established+0xed9/0x1a20 net/ipv4/tcp_input.c:6029
tcp_v4_do_rcv+0x446/0xa10 net/ipv4/tcp_ipv4.c:1683
tcp_v4_rcv+0x233c/0x2a80 net/ipv4/tcp_ipv4.c:2114
ip_protocol_deliver_rcu+0x325/0x6e0 net/ipv4/ip_input.c:205
ip_local_deliver_finish+0x24e/0x410 net/ipv4/ip_input.c:233
NF_HOOK include/linux/netfilter.h:305 [inline]
ip_local_deliver+0x1d8/0x320 net/ipv4/ip_input.c:254
dst_input include/net/dst.h:463 [inline]
ip_rcv_finish net/ipv4/ip_input.c:449 [inline]
NF_HOOK include/linux/netfilter.h:305 [inline]
ip_rcv+0x163/0x270 net/ipv4/ip_input.c:569
__netif_receive_skb_one_core net/core/dev.c:5597 [inline]
__netif_receive_skb+0xd7/0x2a0 net/core/dev.c:5711
process_backlog+0x351/0x600 net/core/dev.c:6039
__napi_poll+0xd0/0x5e0 net/core/dev.c:6606
napi_poll net/core/dev.c:6673 [inline]
net_rx_action+0x49b/0xaa0 net/core/dev.c:6787
handle_softirqs+0x1d7/0x600 kernel/softirq.c:642
__do_softirq+0xb/0xd kernel/softirq.c:680
do_softirq+0xc6/0x120 kernel/softirq.c:524
__local_bh_enable_ip+0x75/0x80 kernel/softirq.c:448
local_bh_enable include/linux/bottom_half.h:33 [inline]
srcu_invoke_callbacks+0x1cf/0x410 kernel/rcu/srcutree.c:1597
process_one_work+0x71f/0xc40 kernel/workqueue.c:2302
worker_thread+0xa29/0x11f0 kernel/workqueue.c:2449
kthread+0x281/0x320 kernel/kthread.c:386
ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:295