ci2 starts bisection 2025-11-25 20:05:06.554328429 +0000 UTC m=+68443.203433662
bisecting fixing commit since 22c0b7236c43dfcea893a99fc11dc7d35a518341
building syzkaller on c0460fcde7051a8d07612ec2a17718d3c3019bb0
ensuring issue is reproducible on original commit 22c0b7236c43dfcea893a99fc11dc7d35a518341

testing commit 22c0b7236c43dfcea893a99fc11dc7d35a518341 gcc
compiler: Debian clang version 20.1.8 (++20250708063551+0c9f909b7976-1~exp1~20250708183702.136), Debian LLD 20.1.8
kernel signature: fad2568b4d006200502278294263a5f3e7ce25f57ca1254d6d5adbdea1b4a5b0
run #0: crashed: BUG: soft lockup in ip_rcv
run #1: crashed: BUG: soft lockup in ip_rcv
run #2: crashed: BUG: soft lockup in smp_call_function
run #3: crashed: BUG: workqueue lockup
run #4: crashed: BUG: workqueue lockup
run #5: crashed: BUG: soft lockup in smp_call_function
run #6: crashed: BUG: soft lockup in bpf_link_release
run #7: crashed: BUG: soft lockup in smp_call_function
run #8: crashed: BUG: soft lockup in smp_call_function
run #9: crashed: BUG: soft lockup in smp_call_function
run #10: crashed: BUG: soft lockup in smp_call_function
run #11: crashed: BUG: soft lockup in ip_rcv
run #12: crashed: BUG: soft lockup in ip_rcv
run #13: crashed: no output from test machine
run #14: crashed: no output from test machine
run #15: crashed: no output from test machine
run #16: crashed: BUG: soft lockup in smp_call_function
run #17: crashed: BUG: soft lockup in smp_call_function
run #18: crashed: no output from test machine
run #19: crashed: no output from test machine
representative crash: BUG: soft lockup in ip_rcv, types: [HANG UNKNOWN]
check whether we can drop unnecessary instrumentation
disabling configs for [kasan locking atomic_sleep memleak ubsan bug_or_warning], they are not needed
testing commit 22c0b7236c43dfcea893a99fc11dc7d35a518341 gcc
compiler: Debian clang version 20.1.8 (++20250708063551+0c9f909b7976-1~exp1~20250708183702.136), Debian LLD 20.1.8
kernel signature: 32bebbe13e7984d9f79ee29335ee6ad865ed3a8e54040837df2a55253c4359eb
run #0: crashed: BUG: workqueue lockup
run #1: crashed: BUG: workqueue lockup
run #2: crashed: BUG: workqueue lockup
run #3: crashed: BUG: soft lockup in smp_call_function
run #4: crashed: BUG: soft lockup in smp_call_function
run #5: crashed: BUG: soft lockup in smp_call_function
run #6: crashed: BUG: soft lockup in smp_call_function
run #7: crashed: BUG: soft lockup in smp_call_function
run #8: crashed: BUG: soft lockup in ip_rcv
run #9: basic kernel testing failed: failed to copy binary to VM: failed to run ["scp" "-P" "22" "-F" "/dev/null" "-o" "UserKnownHostsFile=/dev/null" "-o" "IdentitiesOnly=yes" "-o" "BatchMode=yes" "-o" "StrictHostKeyChecking=no" "-o" "ConnectTimeout=10" "-v" "/tmp/syz-executor735376277" "root@10.128.1.93:./syz-executor735376277"]: exit status 255
representative crash: BUG: soft lockup in smp_call_function, types: [HANG UNKNOWN]
the bug reproduces without the instrumentation
disabling configs for [kasan locking atomic_sleep memleak ubsan bug_or_warning], they are not needed
kconfig minimization: base=5186 full=6556 leaves diff=265
split chunks (needed=false): <265>
split chunk #0 of len 265 into 5 parts
testing without sub-chunk 1/5
disabling configs for [bug_or_warning kasan locking atomic_sleep memleak ubsan], they are not needed
testing commit 22c0b7236c43dfcea893a99fc11dc7d35a518341 gcc
compiler: Debian clang version 20.1.8 (++20250708063551+0c9f909b7976-1~exp1~20250708183702.136), Debian LLD 20.1.8
kernel signature: bffdf30a36dd18fa3ed322b94fdf0aec768a30ebcff405479f28bfedae14e447
run #0: crashed: BUG: soft lockup in smp_call_function
run #1: crashed: BUG: soft lockup in smp_call_function
run #2: crashed: BUG: soft lockup in smp_call_function
run #3: crashed: BUG: soft lockup in smp_call_function
run #4: crashed: BUG: soft lockup in x64_sys_call
run #5: crashed: BUG: soft lockup in sock_read_iter
run #6: crashed: BUG: soft lockup in smp_call_function
run #7: crashed: BUG: soft lockup in ip_rcv
run #8: basic kernel testing failed: failed to copy binary to VM: failed to run ["scp" "-P" "22" "-F" "/dev/null" "-o" "UserKnownHostsFile=/dev/null" "-o" "IdentitiesOnly=yes" "-o" "BatchMode=yes" "-o" "StrictHostKeyChecking=no" "-o" "ConnectTimeout=10" "-v" "/tmp/syz-executor2215144017" "root@10.128.0.70:./syz-executor2215144017"]: exit status 255
run #9: basic kernel testing failed: failed to copy binary to VM: failed to run ["scp" "-P" "22" "-F" "/dev/null" "-o" "UserKnownHostsFile=/dev/null" "-o" "IdentitiesOnly=yes" "-o" "BatchMode=yes" "-o" "StrictHostKeyChecking=no" "-o" "ConnectTimeout=10" "-v" "/tmp/syz-executor2051601624" "root@10.128.10.27:./syz-executor2051601624"]: exit status 255
representative crash: BUG: soft lockup in smp_call_function, types: [HANG]
the chunk can be dropped
testing without sub-chunk 2/5
disabling configs for [memleak ubsan bug_or_warning kasan locking atomic_sleep], they are not needed
testing commit 22c0b7236c43dfcea893a99fc11dc7d35a518341 gcc
compiler: Debian clang version 20.1.8 (++20250708063551+0c9f909b7976-1~exp1~20250708183702.136), Debian LLD 20.1.8
kernel signature: 612a7ac9697e298b3babf65ec043c18aef8f0c16557b489ad7cea2fc3c67c71b
run #0: crashed: BUG: workqueue lockup
run #1: crashed: BUG: workqueue lockup
run #2: crashed: BUG: workqueue lockup
run #3: crashed: BUG: soft lockup in tcp_keepalive_timer
run #4: crashed: no output from test machine
run #5: crashed: no output from test machine
run #6: crashed: BUG: soft lockup in smp_call_function
run #7: basic kernel testing failed: failed to copy binary to VM: failed to run ["scp" "-P" "22" "-F" "/dev/null" "-o" "UserKnownHostsFile=/dev/null" "-o" "IdentitiesOnly=yes" "-o" "BatchMode=yes" "-o" "StrictHostKeyChecking=no" "-o" "ConnectTimeout=10" "-v" "/tmp/syz-executor1918128984" "root@10.128.10.15:./syz-executor1918128984"]: exit status 255
run #8: basic kernel testing failed: failed to copy binary to VM: failed to run ["scp" "-P" "22" "-F" "/dev/null" "-o" "UserKnownHostsFile=/dev/null" "-o" "IdentitiesOnly=yes" "-o" "BatchMode=yes" "-o" "StrictHostKeyChecking=no" "-o" "ConnectTimeout=10" "-v" "/tmp/syz-executor3836985872" "root@10.128.0.150:./syz-executor3836985872"]: exit status 255
run #9: basic kernel testing failed: failed to copy binary to VM: failed to run ["scp" "-P" "22" "-F" "/dev/null" "-o" "UserKnownHostsFile=/dev/null" "-o" "IdentitiesOnly=yes" "-o" "BatchMode=yes" "-o" "StrictHostKeyChecking=no" "-o" "ConnectTimeout=10" "-v" "/tmp/syz-executor661198619" "root@10.128.10.21:./syz-executor661198619"]: exit status 255
representative crash: BUG: workqueue lockup, types: [UNKNOWN]
the chunk can be dropped
testing without sub-chunk 3/5
disabling configs for [memleak ubsan bug_or_warning kasan locking atomic_sleep], they are not needed
testing commit 22c0b7236c43dfcea893a99fc11dc7d35a518341 gcc
compiler: Debian clang version 20.1.8 (++20250708063551+0c9f909b7976-1~exp1~20250708183702.136), Debian LLD 20.1.8
kernel signature: 3ad1646eac1691b24c2ac4c1a45f781e698e25f2a7e4d645c83ced5415db5914
run #0: crashed: BUG: workqueue lockup
run #1: crashed: BUG: workqueue lockup
run #2: crashed: BUG: workqueue lockup
run #3: crashed: BUG: workqueue lockup
run #4: crashed: BUG: soft lockup in addrconf_rs_timer
run #5: crashed: BUG: soft lockup in smp_call_function
run #6: crashed: no output from test machine
run #7: crashed: no output from test machine
run #8: basic kernel testing failed: failed to copy binary to VM: failed to run ["scp" "-P" "22" "-F" "/dev/null" "-o" "UserKnownHostsFile=/dev/null" "-o" "IdentitiesOnly=yes" "-o" "BatchMode=yes" "-o" "StrictHostKeyChecking=no" "-o" "ConnectTimeout=10" "-v" "/tmp/syz-executor703007521" "root@10.128.1.255:./syz-executor703007521"]: exit status 255
run #9: OK
representative crash: BUG: workqueue lockup, types: [UNKNOWN]
the chunk can be dropped
testing without sub-chunk 4/5
disabling configs for [locking atomic_sleep memleak ubsan bug_or_warning kasan], they are not needed
testing commit 22c0b7236c43dfcea893a99fc11dc7d35a518341 gcc
compiler: Debian clang version 20.1.8 (++20250708063551+0c9f909b7976-1~exp1~20250708183702.136), Debian LLD 20.1.8
kernel signature: 1b141d9b9007259bfd4570adeba7fafaa8bb5bd7abb5a6b7736496af7c2d621f
run #0: crashed: BUG: workqueue lockup
run #1: crashed: BUG: soft lockup in smp_call_function
run #2: crashed: BUG: soft lockup in smp_call_function
run #3: crashed: BUG: soft lockup in smp_call_function
run #4: crashed: BUG: soft lockup in smp_call_function
run #5: crashed: BUG: soft lockup in smp_call_function
run #6: crashed: BUG: soft lockup in smp_call_function
run #7: crashed: BUG: soft lockup in smp_call_function
run #8: crashed: BUG: soft lockup in smp_call_function
run #9: basic kernel testing failed: failed to copy binary to VM: failed to run ["scp" "-P" "22" "-F" "/dev/null" "-o" "UserKnownHostsFile=/dev/null" "-o" "IdentitiesOnly=yes" "-o" "BatchMode=yes" "-o" "StrictHostKeyChecking=no" "-o" "ConnectTimeout=10" "-v" "/tmp/syz-executor585200666" "root@10.128.0.188:./syz-executor585200666"]: exit status 255
representative crash: BUG: soft lockup in smp_call_function, types: [HANG]
the chunk can be dropped
testing without sub-chunk 5/5
disabling configs for [memleak ubsan bug_or_warning kasan locking atomic_sleep], they are not needed
testing commit 22c0b7236c43dfcea893a99fc11dc7d35a518341 gcc
compiler: Debian clang version 20.1.8 (++20250708063551+0c9f909b7976-1~exp1~20250708183702.136), Debian LLD 20.1.8
failed building 22c0b7236c43dfcea893a99fc11dc7d35a518341: ld.lld: error: undefined symbol: wext_handle_ioctl
ld.lld: error: undefined symbol: compat_wext_handle_ioctl
ld.lld: error: undefined symbol: wext_proc_init
ld.lld: error: undefined symbol: wext_proc_exit
minimized to 53 configs; suspects: [HID_ZEROPLUS USB_MON USB_NET_CDC_MBIM USB_NET_CDC_SUBSET USB_NET_CDC_SUBSET_ENABLE USB_NET_DM9601 USB_NET_GL620A USB_NET_MCS7830 USB_NET_NET1080 USB_NET_PLUSB USB_NET_RNDIS_HOST USB_NET_SMSC75XX USB_NET_SMSC95XX USB_NET_SR9700 USB_NET_SR9800 USB_NET_ZAURUS USB_OHCI_HCD USB_OHCI_HCD_PCI USB_OHCI_HCD_PLATFORM USB_OTG USB_OTG_FSM USB_PRINTER USB_SERIAL_GENERIC USB_SERIAL_PL2303 USB_STORAGE_ALAUDA USB_STORAGE_CYPRESS_ATACB USB_STORAGE_DATAFAB USB_STORAGE_FREECOM USB_STORAGE_ISD200 USB_STORAGE_JUMPSHOT USB_STORAGE_KARMA USB_STORAGE_ONETOUCH USB_STORAGE_SDDR09 USB_STORAGE_SDDR55 USB_STORAGE_USBAT USB_TRANCEVIBRATOR USB_U_AUDIO USB_U_ETHER USB_U_SERIAL USB_WDM V4L2_ASYNC V4L2_FWNODE VIDEO_CAMERA_SENSOR WLAN WLAN_VENDOR_ATH WLAN_VENDOR_ATMEL WLAN_VENDOR_BROADCOM WLAN_VENDOR_INTERSIL WLAN_VENDOR_MARVELL WLAN_VENDOR_MEDIATEK WLAN_VENDOR_MICROCHIP WLAN_VENDOR_PURELIFI WLAN_VENDOR_RALINK WLAN_VENDOR_REALTEK WLAN_VENDOR_RSI WLAN_VENDOR_SILABS WLAN_VENDOR_ZYDAS ZEROPLUS_FF]
disabling configs for [memleak ubsan bug_or_warning kasan locking atomic_sleep], they are not needed
testing current HEAD fe2c5b2b1aea5c9c3113c5c36363129e926a6f0b
testing commit fe2c5b2b1aea5c9c3113c5c36363129e926a6f0b gcc
compiler: Debian clang version 20.1.8 (++20250708063551+0c9f909b7976-1~exp1~20250708183702.136), Debian LLD 20.1.8
kernel signature: edfea8816c2692e629d4c77812803549bbf19d35fbf4f4db853b7c5ffab15ae1
run #0: crashed: BUG: workqueue lockup
run #1: crashed: BUG: workqueue lockup
run #2: crashed: BUG: soft lockup in smp_call_function
run #3: crashed: BUG: soft lockup in smp_call_function
run #4: crashed: BUG: soft lockup in ip_rcv
run #5: crashed: BUG: soft lockup in smp_call_function
run #6: crashed: BUG: soft lockup in smp_call_function
run #7: crashed: BUG: soft lockup in smp_call_function
run #8: crashed: BUG: soft lockup in smp_call_function
run #9: basic kernel testing failed: failed to copy binary to VM: failed to run ["scp" "-P" "22" "-F" "/dev/null" "-o" "UserKnownHostsFile=/dev/null" "-o" "IdentitiesOnly=yes" "-o" "BatchMode=yes" "-o" "StrictHostKeyChecking=no" "-o" "ConnectTimeout=10" "-v" "/tmp/syz-executor2079909968" "root@10.128.0.85:./syz-executor2079909968"]: exit status 255
representative crash: BUG: soft lockup in smp_call_function, types: [HANG]
crash still not fixed/happens on the oldest tested release
revisions tested: 7, total time: 1h57m32.538148819s (build: 40m22.738066465s, test: 1h10m7.074045975s)
crash still not fixed or there were kernel test errors
commit msg: UPSTREAM: crypto: essiv - Check ssize for decryption and in-place encryption
crash: BUG: soft lockup in smp_call_function
watchdog: BUG: soft lockup - CPU#1 stuck for 246s! [syz.2.278:979]
Modules linked in:
CPU: 1 PID: 979 Comm: syz.2.278 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+0x2f7/0x330 kernel/smp.c:998
Code: 48 89 df e8 fb 08 4f 00 39 05 c5 c9 18 02 76 26 49 8b 0f 48 63 d0 48 8b 14 d5 a0 59 07 83 f7 44 0a 08 01 00 00 00 74 cc f3 90 <8b> 74 11 08 40 f6 c6 01 75 f4 eb be 65 48 8b 04 25 28 00 00 00 48
RSP: 0018:ffffc900022c3bc0 EFLAGS: 00000202
RAX: 0000000000000000 RBX: ffff888237d2cd48 RCX: 0000000000031260
RDX: ffff888237c00000 RSI: 0000000000000011 RDI: ffff888237d2cd48
RBP: ffffc900022c3c48 R08: 0000000000000003 R09: ffff888237d2cd50
R10: 0000000000000000 R11: ffffffff811046d0 R12: 0000000000000000
R13: 0000000000000000 R14: 0000000000000002 R15: ffff888237d2cd40
FS:  0000555577c54500(0000) GS:ffff888237d00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000000000 CR3: 00000001114f4000 CR4: 00000000003506a0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 on_each_cpu_cond_mask+0x3e/0x70 kernel/smp.c:1165
 on_each_cpu include/linux/smp.h:71 [inline]
 text_poke_sync arch/x86/kernel/alternative.c:1574 [inline]
 text_poke_bp_batch+0xae/0x260 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+0xc5/0xd0 kernel/jump_label.c:451
 jump_label_update+0xd7/0xf0 kernel/jump_label.c:797
 static_key_disable_cpuslocked kernel/jump_label.c:203 [inline]
 static_key_disable+0x3d/0x60 kernel/jump_label.c:211
 tracepoint_remove_func kernel/tracepoint.c:417 [inline]
 tracepoint_probe_unregister+0x217/0x390 kernel/tracepoint.c:551
 bpf_probe_unregister+0x16/0x20 kernel/trace/bpf_trace.c:2359
 bpf_raw_tp_link_release+0x15/0x30 kernel/bpf/syscall.c:3170
 bpf_link_free+0x71/0x140 kernel/bpf/syscall.c:2739
 bpf_link_put kernel/bpf/syscall.c:2765 [inline]
 bpf_link_release+0x5d/0x70 kernel/bpf/syscall.c:2774
 __fput+0x89/0x250 fs/file_table.c:320
 ____fput+0x9/0x10 fs/file_table.c:348
 task_work_run+0x90/0xb0 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+0x87/0xd0 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: 0033:0x7f5c2858efc9
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:00007fff8aa06eb8 EFLAGS: 00000246 ORIG_RAX: 00000000000001b4
RAX: 0000000000000000 RBX: 000000000000fd53 RCX: 00007f5c2858efc9
RDX: 0000000000000000 RSI: 000000000000001e RDI: 0000000000000003
RBP: 00007f5c287e7da0 R08: 0000000000000001 R09: 000000068aa071af
R10: 0000001b2fb20000 R11: 0000000000000246 R12: 00007f5c287e5fac
R13: 00007f5c287e5fa0 R14: ffffffffffffffff R15: 00007fff8aa06fd0
 </TASK>
Sending NMI from CPU 1 to CPUs 0:
NMI backtrace for cpu 0
CPU: 0 PID: 8 Comm: kworker/u4:0 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
Workqueue: events_unbound toggle_allocation_gate
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+0x5f/0x80 arch/x86/kernel/kvm.c:1058
Code: 10 5d c3 48 c7 45 f0 00 00 00 00 9c 8f 45 f0 f7 45 f0 00 02 00 00 75 14 0f b6 07 40 38 f0 75 ce 66 90 0f 00 2d 20 c6 52 01 f4 <eb> c2 fa 0f b6 07 40 38 f0 75 0d 66 90 0f 00 2d 0b c6 52 01 fb f4
RSP: 0018:ffffc90000047a98 EFLAGS: 00000046
RAX: 0000000000000003 RBX: ffff888237c1bc40 RCX: 0000000000000000
RDX: 0000000000000059 RSI: 0000000000000003 RDI: ffff888237c1bc40
RBP: ffffc90000047aa8 R08: 0000000000000004 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000000 R12: ffff88823fff06c0
R13: 0000000000040001 R14: 0000000000000000 R15: ffff888237c2c940
FS:  0000000000000000(0000) GS:ffff888237c00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b30763fff CR3: 000000000320b000 CR4: 00000000003506b0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 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+0x27e/0x440 kernel/locking/qspinlock.c:511
 pv_queued_spin_lock_slowpath arch/x86/include/asm/paravirt.h:591 [inline]
 queued_spin_lock_slowpath arch/x86/include/asm/qspinlock.h:51 [inline]
 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+0x73/0x80 kernel/locking/spinlock.c:162
 lock_timer_base kernel/time/timer.c:1005 [inline]
 __mod_timer+0x152/0x3b0 kernel/time/timer.c:1086
 add_timer+0x1a/0x20 kernel/time/timer.c:1250
 __queue_delayed_work kernel/workqueue.c:1686 [inline]
 queue_delayed_work_on+0x64/0xc0 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+0x217/0x310 kernel/rcu/tree.c:3472
 trie_delete_elem+0x163/0x190 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+0x54/0xd0 kernel/trace/bpf_trace.c:2323
 __bpf_trace_timer_start+0xb/0x10 include/trace/events/timer.h:53
 trace_timer_start include/trace/events/timer.h:53 [inline]
 enqueue_timer+0xa6/0xe0 kernel/time/timer.c:615
 __mod_timer+0x2f0/0x3b0 kernel/time/timer.c:-1
 schedule_timeout+0xb4/0x170 kernel/time/timer.c:2019
 toggle_allocation_gate+0xd1/0x1e0 mm/kfence/core.c:812
 process_one_work+0x1bf/0x390 kernel/workqueue.c:2302
 worker_thread+0x231/0x390 kernel/workqueue.c:2449
 kthread+0xe5/0x100 kernel/kthread.c:386
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:295
 </TASK>