syzbot


INFO: task hung in arch_jump_label_transform_queue (2)

Status: auto-obsoleted due to no activity on 2025/03/10 14:27
Subsystems: kernel
[Documentation on labels]
First crash: 262d, last: 217d
Similar bugs (1)
Kernel Title Rank 🛈 Repro Cause bisect Fix bisect Count Last Reported Patched Status
upstream INFO: task hung in arch_jump_label_transform_queue kernel 1 1 354d 354d 0/29 auto-obsoleted due to no activity on 2024/10/24 17:24

Sample crash report:
INFO: task kworker/u8:6:1027 blocked for more than 143 seconds.
      Not tainted 6.13.0-rc2-syzkaller-00018-g7cb1b4663150 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/u8:6    state:D stack:20688 pid:1027  tgid:1027  ppid:2      flags:0x00004000
Workqueue: events_unbound toggle_allocation_gate
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5369 [inline]
 __schedule+0x1850/0x4c30 kernel/sched/core.c:6756
 __schedule_loop kernel/sched/core.c:6833 [inline]
 schedule+0x14b/0x320 kernel/sched/core.c:6848
 schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:6905
 __mutex_lock_common kernel/locking/mutex.c:665 [inline]
 __mutex_lock+0x7e7/0xee0 kernel/locking/mutex.c:735
 arch_jump_label_transform_queue+0x5d/0x100 arch/x86/kernel/jump_label.c:136
 __jump_label_update+0x177/0x3a0 kernel/jump_label.c:513
 static_key_enable_cpuslocked+0x136/0x260 kernel/jump_label.c:210
 static_key_enable+0x1a/0x20 kernel/jump_label.c:223
 toggle_allocation_gate+0xbc/0x260 mm/kfence/core.c:849
 process_one_work kernel/workqueue.c:3229 [inline]
 process_scheduled_works+0xa68/0x1840 kernel/workqueue.c:3310
 worker_thread+0x870/0xd30 kernel/workqueue.c:3391
 kthread+0x2f2/0x390 kernel/kthread.c:389
 ret_from_fork+0x4d/0x80 arch/x86/kernel/process.c:147
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244
 </TASK>
INFO: task syz.4.5913:27614 blocked for more than 144 seconds.
      Not tainted 6.13.0-rc2-syzkaller-00018-g7cb1b4663150 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz.4.5913      state:D stack:24336 pid:27614 tgid:27612 ppid:14183  flags:0x00004006
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5369 [inline]
 __schedule+0x1850/0x4c30 kernel/sched/core.c:6756
 __schedule_loop kernel/sched/core.c:6833 [inline]
 schedule+0x14b/0x320 kernel/sched/core.c:6848
 schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:6905
 __mutex_lock_common kernel/locking/mutex.c:665 [inline]
 __mutex_lock+0x7e7/0xee0 kernel/locking/mutex.c:735
 arch_static_call_transform+0x37/0x380 arch/x86/kernel/static_call.c:159
 __static_call_update+0x38f/0x5e0 kernel/static_call_inline.c:209
 tracepoint_update_call kernel/tracepoint.c:271 [inline]
 tracepoint_add_func+0x925/0xaa0 kernel/tracepoint.c:312
 tracepoint_probe_register_prio_may_exist+0x122/0x190 kernel/tracepoint.c:435
 bpf_raw_tp_link_attach+0x4a3/0x700 kernel/bpf/syscall.c:3981
 bpf_raw_tracepoint_open+0x177/0x1f0 kernel/bpf/syscall.c:4012
 __sys_bpf+0x3c0/0x810 kernel/bpf/syscall.c:5832
 __do_sys_bpf kernel/bpf/syscall.c:5897 [inline]
 __se_sys_bpf kernel/bpf/syscall.c:5895 [inline]
 __x64_sys_bpf+0x7c/0x90 kernel/bpf/syscall.c:5895
 do_syscall_x64 arch/x86/entry/common.c:52 [inline]
 do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f6cf237ff19
RSP: 002b:00007f6cf31be058 EFLAGS: 00000246 ORIG_RAX: 0000000000000141
RAX: ffffffffffffffda RBX: 00007f6cf2545fa0 RCX: 00007f6cf237ff19
RDX: 0000000000000018 RSI: 0000000020000280 RDI: 0000000000000011
RBP: 00007f6cf23f3cc8 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 00007f6cf2545fa0 R15: 00007fff81f84178
 </TASK>
INFO: task syz.9.5914:27617 blocked for more than 145 seconds.
      Not tainted 6.13.0-rc2-syzkaller-00018-g7cb1b4663150 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz.9.5914      state:D stack:24336 pid:27617 tgid:27616 ppid:14878  flags:0x00000004
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5369 [inline]
 __schedule+0x1850/0x4c30 kernel/sched/core.c:6756
 __schedule_loop kernel/sched/core.c:6833 [inline]
 schedule+0x14b/0x320 kernel/sched/core.c:6848
 schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:6905
 __mutex_lock_common kernel/locking/mutex.c:665 [inline]
 __mutex_lock+0x7e7/0xee0 kernel/locking/mutex.c:735
 bpf_prog_pack_alloc+0x2a/0x5a0 kernel/bpf/core.c:945
 bpf_jit_binary_pack_alloc+0x139/0x340 kernel/bpf/core.c:1149
 bpf_int_jit_compile+0x908/0x1910 arch/x86/net/bpf_jit_comp.c:3555
 bpf_prog_select_runtime+0x4a3/0x810 kernel/bpf/core.c:2424
 bpf_prog_load+0x16c6/0x20f0 kernel/bpf/syscall.c:2951
 __sys_bpf+0x4ee/0x810 kernel/bpf/syscall.c:5790
 __do_sys_bpf kernel/bpf/syscall.c:5897 [inline]
 __se_sys_bpf kernel/bpf/syscall.c:5895 [inline]
 __x64_sys_bpf+0x7c/0x90 kernel/bpf/syscall.c:5895
 do_syscall_x64 arch/x86/entry/common.c:52 [inline]
 do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f0834b7ff19
RSP: 002b:00007f08358da058 EFLAGS: 00000246 ORIG_RAX: 0000000000000141
RAX: ffffffffffffffda RBX: 00007f0834d45fa0 RCX: 00007f0834b7ff19
RDX: 0000000000000094 RSI: 0000000020000280 RDI: 0000000000000005
RBP: 00007f0834bf3cc8 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 00007f0834d45fa0 R15: 00007ffc3572ed98
 </TASK>
INFO: task syz.2.5920:27662 blocked for more than 146 seconds.
      Not tainted 6.13.0-rc2-syzkaller-00018-g7cb1b4663150 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz.2.5920      state:D stack:24336 pid:27662 tgid:27661 ppid:26980  flags:0x00000004
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5369 [inline]
 __schedule+0x1850/0x4c30 kernel/sched/core.c:6756
 __schedule_loop kernel/sched/core.c:6833 [inline]
 schedule+0x14b/0x320 kernel/sched/core.c:6848
 schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:6905
 __mutex_lock_common kernel/locking/mutex.c:665 [inline]
 __mutex_lock+0x7e7/0xee0 kernel/locking/mutex.c:735
 bpf_prog_pack_alloc+0x2a/0x5a0 kernel/bpf/core.c:945
 bpf_jit_binary_pack_alloc+0x139/0x340 kernel/bpf/core.c:1149
 bpf_int_jit_compile+0x908/0x1910 arch/x86/net/bpf_jit_comp.c:3555
 bpf_prog_select_runtime+0x4a3/0x810 kernel/bpf/core.c:2424
 bpf_prog_load+0x16c6/0x20f0 kernel/bpf/syscall.c:2951
 __sys_bpf+0x4ee/0x810 kernel/bpf/syscall.c:5790
 __do_sys_bpf kernel/bpf/syscall.c:5897 [inline]
 __se_sys_bpf kernel/bpf/syscall.c:5895 [inline]
 __x64_sys_bpf+0x7c/0x90 kernel/bpf/syscall.c:5895
 do_syscall_x64 arch/x86/entry/common.c:52 [inline]
 do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fe8bd57ff19
RSP: 002b:00007fe8be3cb058 EFLAGS: 00000246 ORIG_RAX: 0000000000000141
RAX: ffffffffffffffda RBX: 00007fe8bd745fa0 RCX: 00007fe8bd57ff19
RDX: 0000000000000090 RSI: 0000000020000480 RDI: 0000000000000005
RBP: 00007fe8bd5f3cc8 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 00007fe8bd745fa0 R15: 00007fff36760768
 </TASK>
INFO: lockdep is turned off.
NMI backtrace for cpu 1
CPU: 1 UID: 0 PID: 30 Comm: khungtaskd Not tainted 6.13.0-rc2-syzkaller-00018-g7cb1b4663150 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
Call Trace:
 <TASK>
 __dump_stack lib/dump_stack.c:94 [inline]
 dump_stack_lvl+0x241/0x360 lib/dump_stack.c:120
 nmi_cpu_backtrace+0x49c/0x4d0 lib/nmi_backtrace.c:113
 nmi_trigger_cpumask_backtrace+0x198/0x320 lib/nmi_backtrace.c:62
 trigger_all_cpu_backtrace include/linux/nmi.h:162 [inline]
 check_hung_uninterruptible_tasks kernel/hung_task.c:234 [inline]
 watchdog+0xff6/0x1040 kernel/hung_task.c:397
 kthread+0x2f2/0x390 kernel/kthread.c:389
 ret_from_fork+0x4d/0x80 arch/x86/kernel/process.c:147
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244
 </TASK>
Sending NMI from CPU 1 to CPUs 0:
NMI backtrace for cpu 0
CPU: 0 UID: 0 PID: 25823 Comm: kworker/0:7 Not tainted 6.13.0-rc2-syzkaller-00018-g7cb1b4663150 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
Workqueue: events_power_efficient neigh_periodic_work
RIP: 0010:arch_stack_walk+0x100/0x150 arch/x86/kernel/stacktrace.c:27
Code: 70 ff ff ff 4c 89 e6 4c 89 fa e8 7b ce 09 00 83 bd 70 ff ff ff 00 74 37 48 8d 9d 70 ff ff ff 48 89 df e8 23 a5 09 00 48 85 c0 <74> 23 4c 89 f7 48 89 c6 4d 89 eb e8 00 0f 89 0a 84 c0 74 11 48 89
RSP: 0018:ffffc90000007200 EFLAGS: 00000082
RAX: ffffffff8bc7f646 RBX: ffffc90000007200 RCX: ffffffff91790000
RDX: ffffffff91940401 RSI: 0000000000000000 RDI: ffffffff8bc7f646
RBP: ffffc90000007290 R08: ffffc9000000725f R09: ffffc90000007250
R10: dffffc0000000000 R11: fffff52000000e4c R12: ffff88804e808000
R13: ffffffff818b2450 R14: ffffc900000072e0 R15: 0000000000000000
FS:  0000000000000000(0000) GS:ffff8880b8600000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000000110c2a5232 CR3: 000000000e736000 CR4: 0000000000350ef0
Call Trace:
 <NMI>
 </NMI>
 <IRQ>
 stack_trace_save+0x118/0x1d0 kernel/stacktrace.c:122
 kasan_save_stack mm/kasan/common.c:47 [inline]
 kasan_save_track+0x3f/0x80 mm/kasan/common.c:68
 poison_kmalloc_redzone mm/kasan/common.c:377 [inline]
 __kasan_kmalloc+0x98/0xb0 mm/kasan/common.c:394
 kasan_kmalloc include/linux/kasan.h:260 [inline]
 __kmalloc_cache_noprof+0x243/0x390 mm/slub.c:4314
 kmalloc_noprof include/linux/slab.h:901 [inline]
 dummy_urb_enqueue+0x7d/0x780 drivers/usb/gadget/udc/dummy_hcd.c:1272
 usb_hcd_submit_urb+0x36e/0x1e80 drivers/usb/core/hcd.c:1533
 ath9k_hif_usb_reg_in_cb+0x4ce/0x6e0 drivers/net/wireless/ath/ath9k/hif_usb.c:790
 __usb_hcd_giveback_urb+0x42e/0x6e0 drivers/usb/core/hcd.c:1650
 dummy_timer+0x856/0x4620 drivers/usb/gadget/udc/dummy_hcd.c:1993
 __run_hrtimer kernel/time/hrtimer.c:1739 [inline]
 __hrtimer_run_queues+0x59d/0xd30 kernel/time/hrtimer.c:1803
 hrtimer_run_softirq+0x19a/0x2c0 kernel/time/hrtimer.c:1820
 handle_softirqs+0x2d6/0x9b0 kernel/softirq.c:561
 __do_softirq kernel/softirq.c:595 [inline]
 invoke_softirq kernel/softirq.c:435 [inline]
 __irq_exit_rcu+0xf7/0x220 kernel/softirq.c:662
 irq_exit_rcu+0x9/0x30 kernel/softirq.c:678
 instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1049 [inline]
 sysvec_apic_timer_interrupt+0xa6/0xc0 arch/x86/kernel/apic/apic.c:1049
 </IRQ>
 <TASK>
 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:702
RIP: 0010:__local_bh_disable_ip+0x24/0x220 kernel/softirq.c:311
Code: 90 90 90 90 90 90 f3 0f 1e fa 55 48 89 e5 41 57 41 56 41 55 41 54 53 48 83 e4 e0 48 81 ec a0 00 00 00 41 89 f7 48 89 7c 24 18 <65> 48 8b 04 25 28 00 00 00 48 89 84 24 80 00 00 00 49 bc 00 00 00
RSP: 0018:ffffc90002ef7a40 EFLAGS: 00000282
RAX: 0000000000000000 RBX: ffffffff8998f45b RCX: dffffc0000000000
RDX: dffffc0000000000 RSI: 0000000000000201 RDI: ffffffff8998f45b
RBP: ffffc90002ef7b10 R08: ffffffff90196577 R09: 1ffffffff2032cae
R10: dffffc0000000000 R11: fffffbfff2032caf R12: 0000000000000000
R13: dffffc0000000000 R14: ffffffff8fdbd040 R15: 0000000000000201
 __raw_write_lock_bh include/linux/rwlock_api_smp.h:201 [inline]
 _raw_write_lock_bh+0x1c/0x50 kernel/locking/spinlock.c:334
 neigh_periodic_work+0xbeb/0xde0 net/core/neighbour.c:970
 process_one_work kernel/workqueue.c:3229 [inline]
 process_scheduled_works+0xa68/0x1840 kernel/workqueue.c:3310
 worker_thread+0x870/0xd30 kernel/workqueue.c:3391
 kthread+0x2f2/0x390 kernel/kthread.c:389
 ret_from_fork+0x4d/0x80 arch/x86/kernel/process.c:147
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244
 </TASK>

Crashes (2):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2024/12/10 14:24 upstream 7cb1b4663150 cfc402b4 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-root INFO: task hung in arch_jump_label_transform_queue
2024/10/27 09:27 upstream 850925a8133c 65e8686b .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-root INFO: task hung in arch_jump_label_transform_queue
* Struck through repros no longer work on HEAD.