syzbot


INFO: task hung in arch_jump_label_transform_queue

Status: auto-obsoleted due to no activity on 2024/10/24 17:24
Subsystems: kernel
[Documentation on labels]
First crash: 197d, last: 197d

Sample crash report:
INFO: task kworker/u8:2:29 blocked for more than 143 seconds.
      Not tainted 6.10.0-syzkaller-12562-g1722389b0d86 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/u8:2    state:D stack:19784 pid:29    tgid:29    ppid:2      flags:0x00004000
Workqueue: events_unbound toggle_allocation_gate

Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5188 [inline]
 __schedule+0x17ae/0x4a10 kernel/sched/core.c:6529
 __schedule_loop kernel/sched/core.c:6606 [inline]
 schedule+0x14b/0x320 kernel/sched/core.c:6621
 schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:6678
 __mutex_lock_common kernel/locking/mutex.c:684 [inline]
 __mutex_lock+0x6a4/0xd70 kernel/locking/mutex.c:752
 arch_jump_label_transform_queue+0x5d/0x100 arch/x86/kernel/jump_label.c:136
 __jump_label_update+0x177/0x3a0 kernel/jump_label.c:493
 static_key_enable_cpuslocked+0x136/0x260 kernel/jump_label.c:210
 static_key_enable+0x1a/0x20 kernel/jump_label.c:223
 toggle_allocation_gate+0xb5/0x250 mm/kfence/core.c:833
 process_one_work kernel/workqueue.c:3231 [inline]
 process_scheduled_works+0xa2c/0x1830 kernel/workqueue.c:3312
 worker_thread+0x86d/0xd40 kernel/workqueue.c:3390
 kthread+0x2f0/0x390 kernel/kthread.c:389
 ret_from_fork+0x4b/0x80 arch/x86/kernel/process.c:147
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244
 </TASK>
INFO: task kworker/0:4:5274 blocked for more than 144 seconds.
      Not tainted 6.10.0-syzkaller-12562-g1722389b0d86 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/0:4     state:D
 stack:20216 pid:5274  tgid:5274  ppid:2      flags:0x00004000
Workqueue: events bpf_prog_free_deferred

Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5188 [inline]
 __schedule+0x17ae/0x4a10 kernel/sched/core.c:6529
 __schedule_loop kernel/sched/core.c:6606 [inline]
 schedule+0x14b/0x320 kernel/sched/core.c:6621
 schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:6678
 __mutex_lock_common kernel/locking/mutex.c:684 [inline]
 __mutex_lock+0x6a4/0xd70 kernel/locking/mutex.c:752
 bpf_prog_pack_free+0x27/0x410 kernel/bpf/core.c:990
 bpf_jit_binary_pack_free+0x3b/0x80 kernel/bpf/core.c:1207
 bpf_jit_free+0x119/0x1d0 arch/x86/net/bpf_jit_comp.c:3445
 process_one_work kernel/workqueue.c:3231 [inline]
 process_scheduled_works+0xa2c/0x1830 kernel/workqueue.c:3312
 worker_thread+0x86d/0xd40 kernel/workqueue.c:3390
 kthread+0x2f0/0x390 kernel/kthread.c:389
 ret_from_fork+0x4b/0x80 arch/x86/kernel/process.c:147
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244
 </TASK>
INFO: task kworker/0:5:5301 blocked for more than 144 seconds.
      Not tainted 6.10.0-syzkaller-12562-g1722389b0d86 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/0:5     state:D stack:21784 pid:5301  tgid:5301  ppid:2      flags:0x00004000
Workqueue: events bpf_prog_free_deferred

Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5188 [inline]
 __schedule+0x17ae/0x4a10 kernel/sched/core.c:6529
 __schedule_loop kernel/sched/core.c:6606 [inline]
 schedule+0x14b/0x320 kernel/sched/core.c:6621
 schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:6678
 __mutex_lock_common kernel/locking/mutex.c:684 [inline]
 __mutex_lock+0x6a4/0xd70 kernel/locking/mutex.c:752
 bpf_prog_pack_free+0x27/0x410 kernel/bpf/core.c:990
 bpf_jit_binary_pack_free+0x3b/0x80 kernel/bpf/core.c:1207
 bpf_jit_free+0x119/0x1d0 arch/x86/net/bpf_jit_comp.c:3445
 process_one_work kernel/workqueue.c:3231 [inline]
 process_scheduled_works+0xa2c/0x1830 kernel/workqueue.c:3312
 worker_thread+0x86d/0xd40 kernel/workqueue.c:3390
 kthread+0x2f0/0x390 kernel/kthread.c:389
 ret_from_fork+0x4b/0x80 arch/x86/kernel/process.c:147
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244
 </TASK>
INFO: task syz.4.1307:8417 blocked for more than 145 seconds.
      Not tainted 6.10.0-syzkaller-12562-g1722389b0d86 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz.4.1307      state:D
 stack:23800 pid:8417  tgid:8414  ppid:5216   flags:0x00004004
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5188 [inline]
 __schedule+0x17ae/0x4a10 kernel/sched/core.c:6529
 __schedule_loop kernel/sched/core.c:6606 [inline]
 schedule+0x14b/0x320 kernel/sched/core.c:6621
 schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:6678
 __mutex_lock_common kernel/locking/mutex.c:684 [inline]
 __mutex_lock+0x6a4/0xd70 kernel/locking/mutex.c:752
 bpf_prog_pack_alloc+0x2a/0x5a0 kernel/bpf/core.c:944
 bpf_jit_binary_pack_alloc+0x139/0x340 kernel/bpf/core.c:1148
 bpf_int_jit_compile+0x723/0x15e0 arch/x86/net/bpf_jit_comp.c:3334
 bpf_prog_select_runtime+0x8ff/0xc20 kernel/bpf/core.c:2408
 bpf_prog_load+0x16c6/0x20f0 kernel/bpf/syscall.c:2912
 __sys_bpf+0x4ee/0x810 kernel/bpf/syscall.c:5710
 __do_sys_bpf kernel/bpf/syscall.c:5817 [inline]
 __se_sys_bpf kernel/bpf/syscall.c:5815 [inline]
 __x64_sys_bpf+0x7c/0x90 kernel/bpf/syscall.c:5815
 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: 0033:0x7f3126b77299
RSP: 002b:00007f312796d048 EFLAGS: 00000246
 ORIG_RAX: 0000000000000141
RAX: ffffffffffffffda RBX: 00007f3126d05f80 RCX: 00007f3126b77299
RDX: 000000000000006d RSI: 00000000200000c0 RDI: 0000000000000005
RBP: 00007f3126be48e6 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 000000000000000b R14: 00007f3126d05f80 R15: 00007fff808707c8
 </TASK>
INFO: task syz.3.1314:8434 blocked for more than 146 seconds.
      Not tainted 6.10.0-syzkaller-12562-g1722389b0d86 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz.3.1314      state:D
 stack:27128 pid:8434  tgid:8433  ppid:5227   flags:0x00000004
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5188 [inline]
 __schedule+0x17ae/0x4a10 kernel/sched/core.c:6529
 __schedule_loop kernel/sched/core.c:6606 [inline]
 schedule+0x14b/0x320 kernel/sched/core.c:6621
 schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:6678
 __mutex_lock_common kernel/locking/mutex.c:684 [inline]
 __mutex_lock+0x6a4/0xd70 kernel/locking/mutex.c:752
 bpf_prog_pack_alloc+0x2a/0x5a0 kernel/bpf/core.c:944
 bpf_jit_binary_pack_alloc+0x139/0x340 kernel/bpf/core.c:1148
 bpf_int_jit_compile+0x723/0x15e0 arch/x86/net/bpf_jit_comp.c:3334
 bpf_prog_select_runtime+0x8ff/0xc20 kernel/bpf/core.c:2408
 bpf_migrate_filter net/core/filter.c:1306 [inline]
 bpf_prepare_filter+0x1288/0x1580 net/core/filter.c:1354
 sk_attach_filter+0x22/0x140 net/core/filter.c:1538
 sk_setsockopt+0x1f4c/0x3390 net/core/sock.c:1383
 do_sock_setsockopt+0x2fb/0x720 net/socket.c:2320
 __sys_setsockopt+0x1ae/0x250 net/socket.c:2347
 __do_sys_setsockopt net/socket.c:2356 [inline]
 __se_sys_setsockopt net/socket.c:2353 [inline]
 __x64_sys_setsockopt+0xb5/0xd0 net/socket.c:2353
 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: 0033:0x7fc919177299
RSP: 002b:00007fc919fb8048 EFLAGS: 00000246 ORIG_RAX: 0000000000000036
RAX: ffffffffffffffda RBX: 00007fc919305f80 RCX: 00007fc919177299
RDX: 000000000000001a RSI: 0000000000000001 RDI: 0000000000000003
RBP: 00007fc9191e48e6 R08: 0000000000000010 R09: 0000000000000000
R10: 0000000020000140 R11: 0000000000000246 R12: 0000000000000000
R13: 000000000000000b R14: 00007fc919305f80 R15: 00007fff96aaeb38
 </TASK>
INFO: task syz.3.1314:8435 blocked for more than 147 seconds.
      Not tainted 6.10.0-syzkaller-12562-g1722389b0d86 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz.3.1314      state:D
 stack:27424 pid:8435  tgid:8433  ppid:5227   flags:0x00000004
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5188 [inline]
 __schedule+0x17ae/0x4a10 kernel/sched/core.c:6529
 __schedule_loop kernel/sched/core.c:6606 [inline]
 schedule+0x14b/0x320 kernel/sched/core.c:6621
 __lock_sock+0x1cd/0x330 net/core/sock.c:2980
 lock_sock_nested+0x9e/0x100 net/core/sock.c:3548
 do_tcp_setsockopt+0x4eb/0x2540 net/ipv4/tcp.c:3464
 do_sock_setsockopt+0x3af/0x720 net/socket.c:2324
 __sys_setsockopt+0x1ae/0x250 net/socket.c:2347
 __do_sys_setsockopt net/socket.c:2356 [inline]
 __se_sys_setsockopt net/socket.c:2353 [inline]
 __x64_sys_setsockopt+0xb5/0xd0 net/socket.c:2353
 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: 0033:0x7fc919177299
RSP: 002b:00007fc919f97048 EFLAGS: 00000246
 ORIG_RAX: 0000000000000036
RAX: ffffffffffffffda RBX: 00007fc919306058 RCX: 00007fc919177299
RDX: 000000000000000d RSI: 0000000000000006 RDI: 0000000000000003
RBP: 00007fc9191e48e6 R08: 0000000000000006 R09: 0000000000000000
R10: 0000000020000040 R11: 0000000000000246 R12: 0000000000000000
R13: 000000000000006e R14: 00007fc919306058 R15: 00007fff96aaeb38
 </TASK>
INFO: task syz.3.1314:8436 blocked for more than 148 seconds.
      Not tainted 6.10.0-syzkaller-12562-g1722389b0d86 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz.3.1314      state:D
 stack:27424 pid:8436  tgid:8433  ppid:5227   flags:0x00000004
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5188 [inline]
 __schedule+0x17ae/0x4a10 kernel/sched/core.c:6529
 __schedule_loop kernel/sched/core.c:6606 [inline]
 schedule+0x14b/0x320 kernel/sched/core.c:6621
 __lock_sock+0x1cd/0x330 net/core/sock.c:2980
 lock_sock_nested+0x9e/0x100 net/core/sock.c:3548
 lock_sock include/net/sock.h:1607 [inline]
 tcp_sendmsg+0x22/0x50 net/ipv4/tcp.c:1353
 sock_sendmsg_nosec net/socket.c:730 [inline]
 __sock_sendmsg+0x1a6/0x270 net/socket.c:745
 __sys_sendto+0x3a4/0x4f0 net/socket.c:2204
 __do_sys_sendto net/socket.c:2216 [inline]
 __se_sys_sendto net/socket.c:2212 [inline]
 __x64_sys_sendto+0xde/0x100 net/socket.c:2212
 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: 0033:0x7fc919177299
RSP: 002b:00007fc919f76048 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
RAX: ffffffffffffffda RBX: 00007fc919306130 RCX: 00007fc919177299
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000003
RBP: 00007fc9191e48e6 R08: 0000000020e68000 R09: 0000000000000010
R10: 00000000200007fd R11: 0000000000000246 R12: 0000000000000000
R13: 000000000000006e R14: 00007fc919306130 R15: 00007fff96aaeb38
 </TASK>
INFO: task syz.3.1314:8437 blocked for more than 149 seconds.
      Not tainted 6.10.0-syzkaller-12562-g1722389b0d86 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz.3.1314      state:D stack:27248 pid:8437  tgid:8433  ppid:5227   flags:0x00000004
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5188 [inline]
 __schedule+0x17ae/0x4a10 kernel/sched/core.c:6529
 __schedule_loop kernel/sched/core.c:6606 [inline]
 schedule+0x14b/0x320 kernel/sched/core.c:6621
 __lock_sock+0x1cd/0x330 net/core/sock.c:2980
 lock_sock_nested+0x9e/0x100 net/core/sock.c:3548
 lock_sock include/net/sock.h:1607 [inline]
 tcp_sendmsg+0x22/0x50 net/ipv4/tcp.c:1353
 sock_sendmsg_nosec net/socket.c:730 [inline]
 __sock_sendmsg+0x1a6/0x270 net/socket.c:745
 __sys_sendto+0x3a4/0x4f0 net/socket.c:2204
 __do_sys_sendto net/socket.c:2216 [inline]
 __se_sys_sendto net/socket.c:2212 [inline]
 __x64_sys_sendto+0xde/0x100 net/socket.c:2212
 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: 0033:0x7fc919177299
RSP: 002b:00007fc919f55048 EFLAGS: 00000246
 ORIG_RAX: 000000000000002c
RAX: ffffffffffffffda RBX: 00007fc919306208 RCX: 00007fc919177299
RDX: 0000000000000001 RSI: 0000000020000180 RDI: 0000000000000003
RBP: 00007fc9191e48e6 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 000000000000006e R14: 00007fc919306208 R15: 00007fff96aaeb38
 </TASK>
INFO: task syz.3.1314:8438 blocked for more than 149 seconds.
      Not tainted 6.10.0-syzkaller-12562-g1722389b0d86 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz.3.1314      state:D
 stack:26192 pid:8438  tgid:8433  ppid:5227   flags:0x00000004
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5188 [inline]
 __schedule+0x17ae/0x4a10 kernel/sched/core.c:6529
 __schedule_loop kernel/sched/core.c:6606 [inline]
 schedule+0x14b/0x320 kernel/sched/core.c:6621
 __lock_sock+0x1cd/0x330 net/core/sock.c:2980
 lock_sock_nested+0x9e/0x100 net/core/sock.c:3548
 lock_sock include/net/sock.h:1607 [inline]
 tcp_sendmsg+0x22/0x50 net/ipv4/tcp.c:1353
 sock_sendmsg_nosec net/socket.c:730 [inline]
 __sock_sendmsg+0x1a6/0x270 net/socket.c:745
 ____sys_sendmsg+0x525/0x7d0 net/socket.c:2597
 ___sys_sendmsg net/socket.c:2651 [inline]
 __sys_sendmmsg+0x3b2/0x740 net/socket.c:2737
 __do_sys_sendmmsg net/socket.c:2766 [inline]
 __se_sys_sendmmsg net/socket.c:2763 [inline]
 __x64_sys_sendmmsg+0xa0/0xb0 net/socket.c:2763
 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: 0033:0x7fc919177299
RSP: 002b:00007fc919f34048 EFLAGS: 00000246
 ORIG_RAX: 0000000000000133
RAX: ffffffffffffffda RBX: 00007fc9193062e0 RCX: 00007fc919177299
RDX: 0000000000000001 RSI: 0000000020003400 RDI: 0000000000000003
RBP: 00007fc9191e48e6 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 000000000000006e R14: 00007fc9193062e0 R15: 00007fff96aaeb38
 </TASK>
INFO: task syz.3.1314:8439 blocked for more than 150 seconds.
      Not tainted 6.10.0-syzkaller-12562-g1722389b0d86 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz.3.1314      state:D
 stack:27424 pid:8439  tgid:8433  ppid:5227   flags:0x00000004
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5188 [inline]
 __schedule+0x17ae/0x4a10 kernel/sched/core.c:6529
 __schedule_loop kernel/sched/core.c:6606 [inline]
 schedule+0x14b/0x320 kernel/sched/core.c:6621
 __lock_sock+0x1cd/0x330 net/core/sock.c:2980
 lock_sock_nested+0x9e/0x100 net/core/sock.c:3548
 lock_sock include/net/sock.h:1607 [inline]
 inet_shutdown+0x6d/0x390 net/ipv4/af_inet.c:907
 __sys_shutdown_sock net/socket.c:2438 [inline]
 __sys_shutdown net/socket.c:2450 [inline]
 __do_sys_shutdown net/socket.c:2458 [inline]
 __se_sys_shutdown+0x14e/0x1b0 net/socket.c:2456
 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: 0033:0x7fc919177299
RSP: 002b:00007fc919f13048 EFLAGS: 00000246
 ORIG_RAX: 0000000000000030
RAX: ffffffffffffffda RBX: 00007fc9193063b8 RCX: 00007fc919177299
RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000003
RBP: 00007fc9191e48e6 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 000000000000006e R14: 00007fc9193063b8 R15: 00007fff96aaeb38
 </TASK>
Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings

Showing all locks held in the system:
3 locks held by kworker/u8:0/11:
 #0: ffff88802a8cc148 ((wq_completion)ipv6_addrconf){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3206 [inline]
 #0: ffff88802a8cc148 ((wq_completion)ipv6_addrconf){+.+.}-{0:0}, at: process_scheduled_works+0x90a/0x1830 kernel/workqueue.c:3312
 #1: 
ffffc90000107d00
 (
(work_completion)(&(&net->ipv6.addr_chk_work)->work)
){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3207 [inline]
){+.+.}-{0:0}, at: process_scheduled_works+0x945/0x1830 kernel/workqueue.c:3312
 #2: 
ffffffff8fa6d2c8
 (
rtnl_mutex
){+.+.}-{3:3}
, at: addrconf_verify_work+0x19/0x30 net/ipv6/addrconf.c:4734
2 locks held by kworker/u8:1/12:
2 locks held by kworker/1:0/25:
5 locks held by kworker/u8:2/29:
 #0: ffff888015489148 ((wq_completion)events_unbound){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3206 [inline]
 #0: ffff888015489148 ((wq_completion)events_unbound){+.+.}-{0:0}, at: process_scheduled_works+0x90a/0x1830 kernel/workqueue.c:3312
 #1: 
ffffc90000a57d00
 ((work_completion)(&(&kfence_timer)->work)
){+.+.}-{0:0}
, at: process_one_work kernel/workqueue.c:3207 [inline]
, at: process_scheduled_works+0x945/0x1830 kernel/workqueue.c:3312
 #2: 
ffffffff8e5d1b10
 (cpu_hotplug_lock){++++}-{0:0}
, at: static_key_enable+0x12/0x20 kernel/jump_label.c:222
 #3: 
ffffffff8e7e68c8
 (
jump_label_mutex){+.+.}-{3:3}, at: jump_label_lock kernel/jump_label.c:27 [inline]
jump_label_mutex){+.+.}-{3:3}, at: static_key_enable_cpuslocked+0xd7/0x260 kernel/jump_label.c:207
 #4: 
ffffffff8e5e6c88
 (
text_mutex){+.+.}-{3:3}
, at: arch_jump_label_transform_queue+0x5d/0x100 arch/x86/kernel/jump_label.c:136
1 lock held by khungtaskd/31:
 #0: ffffffff8e737660
 (
rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire include/linux/rcupdate.h:326 [inline]
rcu_read_lock){....}-{1:2}, at: rcu_read_lock include/linux/rcupdate.h:838 [inline]
rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x55/0x2a0 kernel/locking/lockdep.c:6620
8 locks held by kworker/1:1/51:
3 locks held by kworker/1:2/58:
6 locks held by kworker/u8:4/62:
 #0: 
ffff8880162e3148
 (
(wq_completion)netns
){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3206 [inline]
){+.+.}-{0:0}, at: process_scheduled_works+0x90a/0x1830 kernel/workqueue.c:3312
 #1: ffffc900015d7d00 (
net_cleanup_work){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3207 [inline]
net_cleanup_work){+.+.}-{0:0}, at: process_scheduled_works+0x945/0x1830 kernel/workqueue.c:3312
 #2: 
ffffffff8fa60750 (pernet_ops_rwsem){++++}-{3:3}, at: cleanup_net+0x16a/0xcc0 net/core/net_namespace.c:594
 #3: 
ffff88805db2a0e8 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:1009 [inline]
ffff88805db2a0e8 (&dev->mutex){....}-{3:3}, at: devl_dev_lock net/devlink/devl_internal.h:108 [inline]
ffff88805db2a0e8 (&dev->mutex){....}-{3:3}, at: devlink_pernet_pre_exit+0x13b/0x440 net/devlink/core.c:506
 #4: 
ffff88805db2b250
 (
&devlink->lock_key
#3){+.+.}-{3:3}, at: devl_lock net/devlink/core.c:276 [inline]
#3){+.+.}-{3:3}, at: devl_dev_lock net/devlink/devl_internal.h:109 [inline]
#3){+.+.}-{3:3}, at: devlink_pernet_pre_exit+0x14d/0x440 net/devlink/core.c:506
 #5: 
ffffffff8fa6d2c8
 (
rtnl_mutex
){+.+.}-{3:3}
, at: nsim_destroy+0x71/0x5c0 drivers/net/netdevsim/netdev.c:773
2 locks held by getty/4972:
 #0: 
ffff88802afa70a0
 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x25/0x70 drivers/tty/tty_ldisc.c:243
 #1: 
ffffc900031332f0 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x6b5/0x1e10 drivers/tty/n_tty.c:2211
7 locks held by kworker/1:4/5229:
4 locks held by udevd/5233:
 #0: ffff8880296ad790
 (
&p->lock
){+.+.}-{3:3}
, at: seq_read_iter+0xb7/0xd60 fs/seq_file.c:182
 #1: 
ffff888049f78488
 (
&of->mutex
#2
){+.+.}-{3:3}, at: kernfs_seq_start+0x53/0x3b0 fs/kernfs/file.c:154
 #2: 
ffff88807f338c38
 (
kn->active#30
){.+.+}-{0:0}, at: kernfs_seq_start+0x72/0x3b0 fs/kernfs/file.c:155
 #3: 
ffff8880794d1190
 (
&dev->mutex
){....}-{3:3}
, at: device_lock_interruptible include/linux/device.h:1014 [inline]
, at: manufacturer_show+0x26/0xa0 drivers/usb/core/sysfs.c:142
3 locks held by kworker/1:5/5269:
3 locks held by kworker/1:6/5270:
3 locks held by kworker/1:7/5272:
3 locks held by kworker/0:4/5274:
 #0: 
ffff888015480948 ((wq_completion)events){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3206 [inline]
ffff888015480948 ((wq_completion)events){+.+.}-{0:0}, at: process_scheduled_works+0x90a/0x1830 kernel/workqueue.c:3312
 #1: ffffc90003f77d00
 ((work_completion)(&aux->work)){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3207 [inline]
 ((work_completion)(&aux->work)){+.+.}-{0:0}, at: process_scheduled_works+0x945/0x1830 kernel/workqueue.c:3312
 #2: 
ffffffff8e7aa588
 (
pack_mutex){+.+.}-{3:3}, at: bpf_prog_pack_free+0x27/0x410 kernel/bpf/core.c:990
3 locks held by kworker/0:5/5301:

Crashes (1):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2024/07/26 17:20 upstream 1722389b0d86 3f86dfed .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-smack-root INFO: task hung in arch_jump_label_transform_queue
* Struck through repros no longer work on HEAD.