worker_thread+0xad5/0x12a0 kernel/workqueue.c:2472
kthread+0x421/0x510 kernel/kthread.c:337
ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:298
watchdog: BUG: soft lockup - CPU#1 stuck for 226s! [kworker/u4:0:8]
Modules linked in:
CPU: 1 PID: 8 Comm: kworker/u4:0 Tainted: G W 5.15.152-syzkaller-00143-g70e1a731d986 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/27/2024
Workqueue: events_unbound toggle_allocation_gate
RIP: 0010:check_kcov_mode kernel/kcov.c:174 [inline]
RIP: 0010:__sanitizer_cov_trace_pc+0x36/0x60 kernel/kcov.c:197
Code: 00 2b 92 7e 65 8b 15 01 2b 92 7e f7 c2 00 01 ff 00 74 11 f7 c2 00 01 00 00 74 35 83 b9 5c 0b 00 00 00 74 2c 8b 91 38 0b 00 00 <83> fa 02 75 21 48 8b 91 40 0b 00 00 48 8b 32 48 8d 7e 01 8b 89 3c
RSP: 0018:ffffc90000087870 EFLAGS: 00000246
RAX: ffffffff81659ddb RBX: 1ffff1103ee07af1 RCX: ffff88810026bb40
RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000000
RBP: ffffc90000087870 R08: ffffffff81659daa R09: ffffed103ee271d3
R10: 0000000000000000 R11: dffffc0000000001 R12: 0000000000000000
R13: ffff8881f703d788 R14: ffff8881f7138e80 R15: dffffc0000000000
FS: 0000000000000000(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b2dd1fffc CR3: 0000000006a0f000 CR4: 00000000003506a0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000600
Call Trace:
csd_lock_wait kernel/smp.c:440 [inline]
smp_call_function_many_cond+0x85b/0x9b0 kernel/smp.c:969
on_each_cpu_cond_mask+0x40/0x80 kernel/smp.c:1135
on_each_cpu include/linux/smp.h:71 [inline]
text_poke_sync arch/x86/kernel/alternative.c:1201 [inline]
text_poke_bp_batch+0x1c4/0x5d0 arch/x86/kernel/alternative.c:1392
text_poke_flush arch/x86/kernel/alternative.c:1560 [inline]
text_poke_finish+0x1a/0x30 arch/x86/kernel/alternative.c:1567
arch_jump_label_transform_apply+0x15/0x30 arch/x86/kernel/jump_label.c:146
__jump_label_update+0x36a/0x380 kernel/jump_label.c:459
jump_label_update+0x3af/0x450 kernel/jump_label.c:830
static_key_enable_cpuslocked+0x12f/0x250 kernel/jump_label.c:177
static_key_enable+0x1a/0x30 kernel/jump_label.c:190
toggle_allocation_gate+0xbf/0x460 mm/kfence/core.c:729
process_one_work+0x6bb/0xc10 kernel/workqueue.c:2325
worker_thread+0xad5/0x12a0 kernel/workqueue.c:2472
kthread+0x421/0x510 kernel/kthread.c:337
ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:298
Sending NMI from CPU 1 to CPUs 0:
NMI backtrace for cpu 0
CPU: 0 PID: 89 Comm: klogd Tainted: G W 5.15.152-syzkaller-00143-g70e1a731d986 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/27/2024
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+0x117/0x180 arch/x86/kernel/kvm.c:912
Code: 48 c1 e8 03 42 0f b6 04 20 84 c0 44 8b 74 24 1c 75 53 41 0f b6 45 00 44 38 f0 0f 85 63 ff ff ff 66 90 0f 00 2d 5a 02 13 04 f4 54 ff ff ff fa 4c 89 e8 48 c1 e8 03 42 0f b6 04 20 84 c0 44 8b
RSP: 0018:ffffc90000007380 EFLAGS: 00000046
RAX: 0000000000000003 RBX: 1ffff92000000e74 RCX: ffffffff8155068f
RDX: dffffc0000000000 RSI: 0000000000000003 RDI: ffff88810c00bd40
RBP: ffffc90000007430 R08: dffffc0000000000 R09: ffffed10218017a9
R10: 0000000000000000 R11: dffffc0000000001 R12: dffffc0000000000
R13: ffff88810c00bd40 R14: 0000000000000003 R15: 1ffff92000000e78
FS: 00007f4042405380(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000000000 CR3: 000000010c642000 CR4: 00000000003506b0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000600
Call Trace:
pv_wait arch/x86/include/asm/paravirt.h:597 [inline]
pv_wait_head_or_lock kernel/locking/qspinlock_paravirt.h:470 [inline]
__pv_queued_spin_lock_slowpath+0x6bc/0xc40 kernel/locking/qspinlock.c:508
pv_queued_spin_lock_slowpath arch/x86/include/asm/paravirt.h:585 [inline]
queued_spin_lock_slowpath arch/x86/include/asm/qspinlock.h:51 [inline]
queued_spin_lock include/asm-generic/qspinlock.h:85 [inline]
do_raw_spin_lock_flags include/linux/spinlock.h:199 [inline]
__raw_spin_lock_irqsave include/linux/spinlock_api_smp.h:119 [inline]
_raw_spin_lock_irqsave+0x1a0/0x210 kernel/locking/spinlock.c:162
__lock_task_sighand kernel/signal.c:1413 [inline]
lock_task_sighand include/linux/sched/signal.h:710 [inline]
do_send_sig_info+0x7e/0x230 kernel/signal.c:1302
group_send_sig_info+0x113/0x460 kernel/signal.c:1451
bpf_send_signal_common+0x2d8/0x420 kernel/trace/bpf_trace.c:824
____bpf_send_signal kernel/trace/bpf_trace.c:829 [inline]
bpf_send_signal+0x19/0x20 kernel/trace/bpf_trace.c:827
bpf_prog_7becd524ae48fd9c+0x1a/0xb08
bpf_dispatcher_nop_func include/linux/bpf.h:785 [inline]
__bpf_prog_run include/linux/filter.h:625 [inline]
bpf_prog_run include/linux/filter.h:632 [inline]
__bpf_trace_run kernel/trace/bpf_trace.c:1880 [inline]
bpf_trace_run2+0xec/0x210 kernel/trace/bpf_trace.c:1917
__bpf_trace_kfree+0x6f/0x90 include/trace/events/kmem.h:118
trace_kfree include/trace/events/kmem.h:118 [inline]
kfree+0x1f3/0x220 mm/slub.c:4569
skb_free_head net/core/skbuff.c:656 [inline]
skb_release_data+0x8a9/0xa80 net/core/skbuff.c:678
skb_release_all net/core/skbuff.c:743 [inline]
__kfree_skb net/core/skbuff.c:757 [inline]
kfree_skb_reason net/core/skbuff.c:778 [inline]
kfree_skb+0xba/0x360 net/core/skbuff.c:792
ip6_mc_input+0x233/0x2a0 net/ipv6/ip6_input.c:572
dst_input include/net/dst.h:454 [inline]
ip6_rcv_finish+0x186/0x350 net/ipv6/ip6_input.c:79
NF_HOOK include/linux/netfilter.h:305 [inline]
ipv6_rcv+0xeb/0x270 net/ipv6/ip6_input.c:300
__netif_receive_skb_one_core net/core/dev.c:5492 [inline]
__netif_receive_skb+0x1c6/0x530 net/core/dev.c:5606
process_backlog+0x31c/0x650 net/core/dev.c:6483
__napi_poll+0xc4/0x5a0 net/core/dev.c:7042
napi_poll net/core/dev.c:7109 [inline]
net_rx_action+0x47d/0xc50 net/core/dev.c:7196
__do_softirq+0x26d/0x5bf kernel/softirq.c:565
do_softirq+0xf6/0x150 kernel/softirq.c:452
__local_bh_enable_ip+0x75/0x80 kernel/softirq.c:379
__raw_spin_unlock_bh include/linux/spinlock_api_smp.h:176 [inline]
_raw_spin_unlock_bh+0x51/0x60 kernel/locking/spinlock.c:210
sock_hash_delete_elem+0x2a2/0x2f0 net/core/sock_map.c:945
bpf_prog_586ab708469db861+0x41/0xec8
bpf_dispatcher_nop_func include/linux/bpf.h:785 [inline]
__bpf_prog_run include/linux/filter.h:625 [inline]
bpf_prog_run include/linux/filter.h:632 [inline]
__bpf_trace_run kernel/trace/bpf_trace.c:1880 [inline]
bpf_trace_run5+0x172/0x290 kernel/trace/bpf_trace.c:1920
__bpf_trace_signal_generate+0x3c/0x50 include/trace/events/signal.h:50
trace_signal_generate include/trace/events/signal.h:50 [inline]
__send_signal+0xc52/0xcb0 kernel/signal.c:1193
send_signal+0x43a/0x590 kernel/signal.c:1254
do_send_sig_info+0xde/0x230 kernel/signal.c:1303
group_send_sig_info+0x113/0x460 kernel/signal.c:1451
bpf_send_signal_common+0x2d8/0x420 kernel/trace/bpf_trace.c:824
____bpf_send_signal kernel/trace/bpf_trace.c:829 [inline]
bpf_send_signal+0x19/0x20 kernel/trace/bpf_trace.c:827
bpf_prog_7becd524ae48fd9c+0x1a/0xb08
bpf_dispatcher_nop_func include/linux/bpf.h:785 [inline]
__bpf_prog_run include/linux/filter.h:625 [inline]
bpf_prog_run include/linux/filter.h:632 [inline]
__bpf_trace_run kernel/trace/bpf_trace.c:1880 [inline]
bpf_trace_run2+0xec/0x210 kernel/trace/bpf_trace.c:1917
__bpf_trace_kfree+0x6f/0x90 include/trace/events/kmem.h:118
trace_kfree include/trace/events/kmem.h:118 [inline]
kfree+0x1f3/0x220 mm/slub.c:4569
syslog_print+0x8fe/0x990 kernel/printk/printk.c:1604
do_syslog+0x340/0x830 kernel/printk/printk.c:1691
__do_sys_syslog kernel/printk/printk.c:1783 [inline]
__se_sys_syslog kernel/printk/printk.c:1781 [inline]
__x64_sys_syslog+0x7c/0x90 kernel/printk/printk.c:1781
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x3d/0xb0 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x61/0xcb
RIP: 0033:0x7f4042566fa7
Code: 73 01 c3 48 8b 0d 81 ce 0c 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 b8 67 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d 51 ce 0c 00 f7 d8 64 89 01 48
RSP: 002b:00007fff59bcdc98 EFLAGS: 00000206 ORIG_RAX: 0000000000000067
RAX: ffffffffffffffda RBX: 00007f40427054a0 RCX: 00007f4042566fa7
RDX: 00000000000003ff RSI: 00007f40427054a0 RDI: 0000000000000002
RBP: 0000000000000000 R08: 0000000000000007 R09: 8fe406bc445a5381
R10: 0000000000004000 R11: 0000000000000206 R12: 00007f40427054a0
R13: 00007f40426f5212 R14: 00007f40427055a2 R15: 00007f40427055a2