INFO: task kworker/u8:3:52 blocked for more than 143 seconds.
Not tainted 6.11.0-rc4-next-20240823-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/u8:3 state:D stack:20912 pid:52 tgid:52 ppid:2 flags:0x00004000
Workqueue: events_unbound call_usermodehelper_exec_work
Call Trace:
context_switch kernel/sched/core.c:5311 [inline]
__schedule+0x184a/0x4b30 kernel/sched/core.c:6677
__schedule_loop kernel/sched/core.c:6754 [inline]
schedule+0x14b/0x320 kernel/sched/core.c:6769
percpu_rwsem_wait+0x3c2/0x450 kernel/locking/percpu-rwsem.c:162
__percpu_down_read+0xee/0x130 kernel/locking/percpu-rwsem.c:177
percpu_down_read include/linux/percpu-rwsem.h:65 [inline]
cgroup_threadgroup_change_begin include/linux/cgroup-defs.h:806 [inline]
cgroup_css_set_fork kernel/cgroup/cgroup.c:6482 [inline]
cgroup_can_fork+0xb97/0xc80 kernel/cgroup/cgroup.c:6611
copy_process+0x219b/0x3d50 kernel/fork.c:2468
kernel_clone+0x226/0x8f0 kernel/fork.c:2784
user_mode_thread+0x132/0x1a0 kernel/fork.c:2862
call_usermodehelper_exec_sync kernel/umh.c:133 [inline]
call_usermodehelper_exec_work+0x9b/0x230 kernel/umh.c:164
process_one_work kernel/workqueue.c:3232 [inline]
process_scheduled_works+0xa63/0x1850 kernel/workqueue.c:3313
worker_thread+0x86d/0xd10 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
INFO: task syz-executor:5223 blocked for more than 143 seconds.
Not tainted 6.11.0-rc4-next-20240823-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor state:D stack:23392 pid:5223 tgid:5223 ppid:5216 flags:0x00004004
Call Trace:
context_switch kernel/sched/core.c:5311 [inline]
__schedule+0x184a/0x4b30 kernel/sched/core.c:6677
__schedule_loop kernel/sched/core.c:6754 [inline]
schedule+0x14b/0x320 kernel/sched/core.c:6769
percpu_rwsem_wait+0x3c2/0x450 kernel/locking/percpu-rwsem.c:162
__percpu_down_read+0xee/0x130 kernel/locking/percpu-rwsem.c:177
percpu_down_read include/linux/percpu-rwsem.h:65 [inline]
cgroup_threadgroup_change_begin include/linux/cgroup-defs.h:806 [inline]
exit_signals+0x4a9/0x5c0 kernel/signal.c:3027
do_exit+0x6b4/0x28e0 kernel/exit.c:896
do_group_exit+0x207/0x2c0 kernel/exit.c:1088
get_signal+0x176f/0x1810 kernel/signal.c:2936
arch_do_signal_or_restart+0x96/0x860 arch/x86/kernel/signal.c:337
exit_to_user_mode_loop kernel/entry/common.c:111 [inline]
exit_to_user_mode_prepare include/linux/entry-common.h:328 [inline]
__syscall_exit_to_user_mode_work kernel/entry/common.c:207 [inline]
syscall_exit_to_user_mode+0xc9/0x370 kernel/entry/common.c:218
do_syscall_64+0x100/0x230 arch/x86/entry/common.c:89
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fa863970093
RSP: 002b:00007fffd7fb3828 EFLAGS: 00000202 ORIG_RAX: 000000000000003d
RAX: fffffffffffffe00 RBX: 000000000000146a RCX: 00007fa863970093
RDX: 0000000040000000 RSI: 00007fffd7fb383c RDI: 00000000ffffffff
RBP: 00007fffd7fb383c R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000202 R12: 000000000000000c
R13: 0000000000000003 R14: 0000000000000009 R15: 0000000000000000
INFO: task udevd:5233 blocked for more than 143 seconds.
Not tainted 6.11.0-rc4-next-20240823-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:udevd state:D stack:23792 pid:5233 tgid:5233 ppid:4684 flags:0x00000002
Call Trace:
context_switch kernel/sched/core.c:5311 [inline]
__schedule+0x184a/0x4b30 kernel/sched/core.c:6677
__schedule_loop kernel/sched/core.c:6754 [inline]
schedule+0x14b/0x320 kernel/sched/core.c:6769
percpu_rwsem_wait+0x3c2/0x450 kernel/locking/percpu-rwsem.c:162
__percpu_down_read+0xee/0x130 kernel/locking/percpu-rwsem.c:177
percpu_down_read include/linux/percpu-rwsem.h:65 [inline]
cgroup_threadgroup_change_begin include/linux/cgroup-defs.h:806 [inline]
exit_signals+0x4a9/0x5c0 kernel/signal.c:3027
do_exit+0x6b4/0x28e0 kernel/exit.c:896
do_group_exit+0x207/0x2c0 kernel/exit.c:1088
__do_sys_exit_group kernel/exit.c:1099 [inline]
__se_sys_exit_group kernel/exit.c:1097 [inline]
__x64_sys_exit_group+0x3f/0x40 kernel/exit.c:1097
x64_sys_call+0x26a8/0x26b0 arch/x86/include/generated/asm/syscalls_64.h:232
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: 0033:0x7f857bd89a90
RSP: 002b:00007ffe40edc2e8 EFLAGS: 00000202 ORIG_RAX: 00000000000000e7
RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f857bd89a90
RDX: 00000000000000e7 RSI: 000000000000003c RDI: 0000000000000000
RBP: 0000000000000000 R08: 0000000000000007 R09: 910f738f77ab4f20
R10: 00000000ffffffff R11: 0000000000000202 R12: 000055a359d4df80
R13: 00007ffe40edc328 R14: 0000000000000001 R15: 000055a359d3c910
INFO: task udevd:5234 blocked for more than 144 seconds.
Not tainted 6.11.0-rc4-next-20240823-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:udevd state:D stack:23568 pid:5234 tgid:5234 ppid:4684 flags:0x00000002
Call Trace:
context_switch kernel/sched/core.c:5311 [inline]
__schedule+0x184a/0x4b30 kernel/sched/core.c:6677
__schedule_loop kernel/sched/core.c:6754 [inline]
schedule+0x14b/0x320 kernel/sched/core.c:6769
percpu_rwsem_wait+0x3c2/0x450 kernel/locking/percpu-rwsem.c:162
__percpu_down_read+0xee/0x130 kernel/locking/percpu-rwsem.c:177
percpu_down_read include/linux/percpu-rwsem.h:65 [inline]
cgroup_threadgroup_change_begin include/linux/cgroup-defs.h:806 [inline]
exit_signals+0x4a9/0x5c0 kernel/signal.c:3027
do_exit+0x6b4/0x28e0 kernel/exit.c:896
do_group_exit+0x207/0x2c0 kernel/exit.c:1088
__do_sys_exit_group kernel/exit.c:1099 [inline]
__se_sys_exit_group kernel/exit.c:1097 [inline]
__x64_sys_exit_group+0x3f/0x40 kernel/exit.c:1097
x64_sys_call+0x26a8/0x26b0 arch/x86/include/generated/asm/syscalls_64.h:232
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: 0033:0x7f857bd89a90
RSP: 002b:00007ffe40edc2e8 EFLAGS: 00000206 ORIG_RAX: 00000000000000e7
RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f857bd89a90
RDX: 00000000000000e7 RSI: 000000000000003c RDI: 0000000000000000
RBP: 0000000000000000 R08: 0000000000000007 R09: 910f738f77ab4f20
R10: 00000000ffffffff R11: 0000000000000206 R12: 000055a359d5f1f0
R13: 00007ffe40edc328 R14: 0000000000000001 R15: 000055a359d3c910
INFO: task udevd:5247 blocked for more than 144 seconds.
Not tainted 6.11.0-rc4-next-20240823-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:udevd state:D stack:23576 pid:5247 tgid:5247 ppid:4684 flags:0x00000002
Call Trace:
context_switch kernel/sched/core.c:5311 [inline]
__schedule+0x184a/0x4b30 kernel/sched/core.c:6677
__schedule_loop kernel/sched/core.c:6754 [inline]
schedule+0x14b/0x320 kernel/sched/core.c:6769
percpu_rwsem_wait+0x3c2/0x450 kernel/locking/percpu-rwsem.c:162
__percpu_down_read+0xee/0x130 kernel/locking/percpu-rwsem.c:177
percpu_down_read include/linux/percpu-rwsem.h:65 [inline]
cgroup_threadgroup_change_begin include/linux/cgroup-defs.h:806 [inline]
exit_signals+0x4a9/0x5c0 kernel/signal.c:3027
do_exit+0x6b4/0x28e0 kernel/exit.c:896
do_group_exit+0x207/0x2c0 kernel/exit.c:1088
__do_sys_exit_group kernel/exit.c:1099 [inline]
__se_sys_exit_group kernel/exit.c:1097 [inline]
__x64_sys_exit_group+0x3f/0x40 kernel/exit.c:1097
x64_sys_call+0x26a8/0x26b0 arch/x86/include/generated/asm/syscalls_64.h:232
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: 0033:0x7f857bd89a90
RSP: 002b:00007ffe40edc2e8 EFLAGS: 00000206 ORIG_RAX: 00000000000000e7
RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f857bd89a90
RDX: 00000000000000e7 RSI: 000000000000003c RDI: 0000000000000000
RBP: 0000000000000000 R08: 0000000000000007 R09: 910f738f77ab4f20
R10: 00000000ffffffff R11: 0000000000000206 R12: 000055a359d63040
R13: 00007ffe40edc328 R14: 0000000000000001 R15: 000055a359d3c910
INFO: task udevd:5248 blocked for more than 144 seconds.
Not tainted 6.11.0-rc4-next-20240823-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:udevd state:D stack:23936 pid:5248 tgid:5248 ppid:4684 flags:0x00000002
Call Trace:
context_switch kernel/sched/core.c:5311 [inline]
__schedule+0x184a/0x4b30 kernel/sched/core.c:6677
__schedule_loop kernel/sched/core.c:6754 [inline]
schedule+0x14b/0x320 kernel/sched/core.c:6769
percpu_rwsem_wait+0x3c2/0x450 kernel/locking/percpu-rwsem.c:162
__percpu_down_read+0xee/0x130 kernel/locking/percpu-rwsem.c:177
percpu_down_read include/linux/percpu-rwsem.h:65 [inline]
cgroup_threadgroup_change_begin include/linux/cgroup-defs.h:806 [inline]
exit_signals+0x4a9/0x5c0 kernel/signal.c:3027
do_exit+0x6b4/0x28e0 kernel/exit.c:896
do_group_exit+0x207/0x2c0 kernel/exit.c:1088
__do_sys_exit_group kernel/exit.c:1099 [inline]
__se_sys_exit_group kernel/exit.c:1097 [inline]
__x64_sys_exit_group+0x3f/0x40 kernel/exit.c:1097
x64_sys_call+0x26a8/0x26b0 arch/x86/include/generated/asm/syscalls_64.h:232
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: 0033:0x7f857bd89a90
RSP: 002b:00007ffe40edc2e8 EFLAGS: 00000212 ORIG_RAX: 00000000000000e7
RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f857bd89a90
RDX: 00000000000000e7 RSI: 000000000000003c RDI: 0000000000000000
RBP: 0000000000000000 R08: 0000000000000007 R09: 910f738f77ab4f20
R10: 00000000ffffffff R11: 0000000000000212 R12: 000055a359d5ceb0
R13: 00007ffe40edc328 R14: 0000000000000001 R15: 000055a359d3c910
INFO: task udevd:5545 blocked for more than 144 seconds.
Not tainted 6.11.0-rc4-next-20240823-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:udevd state:D stack:20240 pid:5545 tgid:5545 ppid:4684 flags:0x00000002
Call Trace:
context_switch kernel/sched/core.c:5311 [inline]
__schedule+0x184a/0x4b30 kernel/sched/core.c:6677
__schedule_loop kernel/sched/core.c:6754 [inline]
schedule+0x14b/0x320 kernel/sched/core.c:6769
percpu_rwsem_wait+0x3c2/0x450 kernel/locking/percpu-rwsem.c:162
__percpu_down_read+0xee/0x130 kernel/locking/percpu-rwsem.c:177
percpu_down_read include/linux/percpu-rwsem.h:65 [inline]
cgroup_threadgroup_change_begin include/linux/cgroup-defs.h:806 [inline]
exit_signals+0x4a9/0x5c0 kernel/signal.c:3027
do_exit+0x6b4/0x28e0 kernel/exit.c:896
do_group_exit+0x207/0x2c0 kernel/exit.c:1088
__do_sys_exit_group kernel/exit.c:1099 [inline]
__se_sys_exit_group kernel/exit.c:1097 [inline]
__x64_sys_exit_group+0x3f/0x40 kernel/exit.c:1097
x64_sys_call+0x26a8/0x26b0 arch/x86/include/generated/asm/syscalls_64.h:232
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: 0033:0x7f857bd89a90
RSP: 002b:00007ffe40edc2e8 EFLAGS: 00000202 ORIG_RAX: 00000000000000e7
RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f857bd89a90
RDX: 00000000000000e7 RSI: 000000000000003c RDI: 0000000000000000
RBP: 0000000000000000 R08: 0000000000000007 R09: 910f738f77ab4f20
R10: 00000000ffffffff R11: 0000000000000202 R12: 000055a359d63ad0
R13: 00007ffe40edc328 R14: 0000000000000001 R15: 000055a359d3c910
INFO: task syz-executor:5575 blocked for more than 145 seconds.
Not tainted 6.11.0-rc4-next-20240823-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor state:D stack:20432 pid:5575 tgid:5575 ppid:5564 flags:0x00004000
Call Trace:
context_switch kernel/sched/core.c:5311 [inline]
__schedule+0x184a/0x4b30 kernel/sched/core.c:6677
__schedule_loop kernel/sched/core.c:6754 [inline]
schedule+0x14b/0x320 kernel/sched/core.c:6769
percpu_rwsem_wait+0x3c2/0x450 kernel/locking/percpu-rwsem.c:162
__percpu_down_read+0xee/0x130 kernel/locking/percpu-rwsem.c:177
percpu_down_read include/linux/percpu-rwsem.h:65 [inline]
cgroup_threadgroup_change_begin include/linux/cgroup-defs.h:806 [inline]
cgroup_css_set_fork kernel/cgroup/cgroup.c:6482 [inline]
cgroup_can_fork+0xb97/0xc80 kernel/cgroup/cgroup.c:6611
copy_process+0x219b/0x3d50 kernel/fork.c:2468
kernel_clone+0x226/0x8f0 kernel/fork.c:2784
__do_sys_clone kernel/fork.c:2927 [inline]
__se_sys_clone kernel/fork.c:2911 [inline]
__x64_sys_clone+0x258/0x2a0 kernel/fork.c:2911
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: 0033:0x7fdcc79706d3
RSP: 002b:00007ffd10772388 EFLAGS: 00000246 ORIG_RAX: 0000000000000038
RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fdcc79706d3
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000001200011
RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000000000
R10: 000055557a0357d0 R11: 0000000000000246 R12: 0000000000000000
R13: 000000000001ccaa R14: 000000000001c641 R15: 00007ffd10772510
INFO: task udevd:5589 blocked for more than 145 seconds.
Not tainted 6.11.0-rc4-next-20240823-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:udevd state:D stack:23936 pid:5589 tgid:5589 ppid:4684 flags:0x00004002
Call Trace:
context_switch kernel/sched/core.c:5311 [inline]
__schedule+0x184a/0x4b30 kernel/sched/core.c:6677
__schedule_loop kernel/sched/core.c:6754 [inline]
schedule+0x14b/0x320 kernel/sched/core.c:6769
percpu_rwsem_wait+0x3c2/0x450 kernel/locking/percpu-rwsem.c:162
__percpu_down_read+0xee/0x130 kernel/locking/percpu-rwsem.c:177
percpu_down_read include/linux/percpu-rwsem.h:65 [inline]
cgroup_threadgroup_change_begin include/linux/cgroup-defs.h:806 [inline]
exit_signals+0x4a9/0x5c0 kernel/signal.c:3027
do_exit+0x6b4/0x28e0 kernel/exit.c:896
do_group_exit+0x207/0x2c0 kernel/exit.c:1088
__do_sys_exit_group kernel/exit.c:1099 [inline]
__se_sys_exit_group kernel/exit.c:1097 [inline]
__x64_sys_exit_group+0x3f/0x40 kernel/exit.c:1097
x64_sys_call+0x26a8/0x26b0 arch/x86/include/generated/asm/syscalls_64.h:232
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: 0033:0x7f857bd89a90
RSP: 002b:00007ffe40edc2e8 EFLAGS: 00000206 ORIG_RAX: 00000000000000e7
RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f857bd89a90
RDX: 00000000000000e7 RSI: 000000000000003c RDI: 0000000000000000
RBP: 0000000000000000 R08: 0000000000000007 R09: 910f738f77ab4f20
R10: 00000000ffffffff R11: 0000000000000206 R12: 000055a359d61410
R13: 00007ffe40edc328 R14: 0000000000000001 R15: 000055a359d3c910
INFO: task udevd:5590 blocked for more than 145 seconds.
Not tainted 6.11.0-rc4-next-20240823-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:udevd state:D stack:23936 pid:5590 tgid:5590 ppid:4684 flags:0x00000002
Call Trace:
context_switch kernel/sched/core.c:5311 [inline]
__schedule+0x184a/0x4b30 kernel/sched/core.c:6677
__schedule_loop kernel/sched/core.c:6754 [inline]
schedule+0x14b/0x320 kernel/sched/core.c:6769
percpu_rwsem_wait+0x3c2/0x450 kernel/locking/percpu-rwsem.c:162
__percpu_down_read+0xee/0x130 kernel/locking/percpu-rwsem.c:177
percpu_down_read include/linux/percpu-rwsem.h:65 [inline]
cgroup_threadgroup_change_begin include/linux/cgroup-defs.h:806 [inline]
exit_signals+0x4a9/0x5c0 kernel/signal.c:3027
do_exit+0x6b4/0x28e0 kernel/exit.c:896
do_group_exit+0x207/0x2c0 kernel/exit.c:1088
__do_sys_exit_group kernel/exit.c:1099 [inline]
__se_sys_exit_group kernel/exit.c:1097 [inline]
__x64_sys_exit_group+0x3f/0x40 kernel/exit.c:1097
x64_sys_call+0x26a8/0x26b0 arch/x86/include/generated/asm/syscalls_64.h:232
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: 0033:0x7f857bd89a90
RSP: 002b:00007ffe40edc2e8 EFLAGS: 00000202 ORIG_RAX: 00000000000000e7
RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f857bd89a90
RDX: 00000000000000e7 RSI: 000000000000003c RDI: 0000000000000000
RBP: 0000000000000000 R08: 0000000000000007 R09: 910f738f77ab4f20
R10: 00000000ffffffff R11: 0000000000000202 R12: 000055a359d5efe0
R13: 00007ffe40edc328 R14: 0000000000000001 R15: 000055a359d3c910
Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings
INFO: task ext4lazyinit:6034 blocked for more than 146 seconds.
Not tainted 6.11.0-rc4-next-20240823-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:ext4lazyinit state:D stack:28736 pid:6034 tgid:6034 ppid:2 flags:0x00004000
Call Trace:
context_switch kernel/sched/core.c:5311 [inline]
__schedule+0x184a/0x4b30 kernel/sched/core.c:6677
__schedule_loop kernel/sched/core.c:6754 [inline]
schedule+0x14b/0x320 kernel/sched/core.c:6769
percpu_rwsem_wait+0x3c2/0x450 kernel/locking/percpu-rwsem.c:162
__percpu_down_read+0xee/0x130 kernel/locking/percpu-rwsem.c:177
percpu_down_read include/linux/percpu-rwsem.h:65 [inline]
cgroup_threadgroup_change_begin include/linux/cgroup-defs.h:806 [inline]
exit_signals+0x4a9/0x5c0 kernel/signal.c:3027
do_exit+0x6b4/0x28e0 kernel/exit.c:896
kthread_exit+0x47/0x60 kernel/kthread.c:316
kthread+0x310/0x390 kernel/kthread.c:391
ret_from_fork+0x4b/0x80 arch/x86/kernel/process.c:147
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244
Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings
INFO: task dhcpcd-run-hook:6042 blocked for more than 146 seconds.
Not tainted 6.11.0-rc4-next-20240823-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:dhcpcd-run-hook state:D stack:25560 pid:6042 tgid:6042 ppid:6040 flags:0x00004002
Call Trace:
context_switch kernel/sched/core.c:5311 [inline]
__schedule+0x184a/0x4b30 kernel/sched/core.c:6677
__schedule_loop kernel/sched/core.c:6754 [inline]
schedule+0x14b/0x320 kernel/sched/core.c:6769
percpu_rwsem_wait+0x3c2/0x450 kernel/locking/percpu-rwsem.c:162
__percpu_down_read+0xee/0x130 kernel/locking/percpu-rwsem.c:177
percpu_down_read include/linux/percpu-rwsem.h:65 [inline]
cgroup_threadgroup_change_begin include/linux/cgroup-defs.h:806 [inline]
exit_signals+0x4a9/0x5c0 kernel/signal.c:3027
do_exit+0x6b4/0x28e0 kernel/exit.c:896
do_group_exit+0x207/0x2c0 kernel/exit.c:1088
__do_sys_exit_group kernel/exit.c:1099 [inline]
__se_sys_exit_group kernel/exit.c:1097 [inline]
__x64_sys_exit_group+0x3f/0x40 kernel/exit.c:1097
x64_sys_call+0x26a8/0x26b0 arch/x86/include/generated/asm/syscalls_64.h:232
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: 0033:0x7f7c45ee3a90
RSP: 002b:00007ffe8a8385b8 EFLAGS: 00000202 ORIG_RAX: 00000000000000e7
RAX: ffffffffffffffda RBX: 000055e0515cde04 RCX: 00007f7c45ee3a90
RDX: 00000000000000e7 RSI: 000000000000003c RDI: 0000000000000000
RBP: 0000000000000003 R08: 00007ffe8a8386b0 R09: 0000000000000002
R10: 0000000000000010 R11: 0000000000000202 R12: 00007ffe8a8388d8
R13: 00007ffe8a8388f0 R14: 000055e04a68b169 R15: 00007f7c460e1a80
Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings
INFO: task modprobe:6043 blocked for more than 146 seconds.
Not tainted 6.11.0-rc4-next-20240823-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:modprobe state:D stack:22720 pid:6043 tgid:6043 ppid:3080 flags:0x00000002
Call Trace:
context_switch kernel/sched/core.c:5311 [inline]
__schedule+0x184a/0x4b30 kernel/sched/core.c:6677
__schedule_loop kernel/sched/core.c:6754 [inline]
schedule+0x14b/0x320 kernel/sched/core.c:6769
percpu_rwsem_wait+0x3c2/0x450 kernel/locking/percpu-rwsem.c:162
__percpu_down_read+0xee/0x130 kernel/locking/percpu-rwsem.c:177
percpu_down_read include/linux/percpu-rwsem.h:65 [inline]
cgroup_threadgroup_change_begin include/linux/cgroup-defs.h:806 [inline]
exit_signals+0x4a9/0x5c0 kernel/signal.c:3027
do_exit+0x6b4/0x28e0 kernel/exit.c:896
do_group_exit+0x207/0x2c0 kernel/exit.c:1088
__do_sys_exit_group kernel/exit.c:1099 [inline]
__se_sys_exit_group kernel/exit.c:1097 [inline]
__x64_sys_exit_group+0x3f/0x40 kernel/exit.c:1097
x64_sys_call+0x26a8/0x26b0 arch/x86/include/generated/asm/syscalls_64.h:232
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: 0033:0x7f19c60a8a90
RSP: 002b:00007ffebde53348 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
RAX: ffffffffffffffda RBX: 00007f19c6199860 RCX: 00007f19c60a8a90
RDX: 00000000000000e7 RSI: 000000000000003c RDI: 0000000000000001
RBP: 00007f19c6199860 R08: 00007ffebde531c0 R09: 00007ffebde532a0
R10: 00007ffebde53200 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000001 R14: 00007f19c619d658 R15: 0000000000000001
Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings
Showing all locks held in the system:
1 lock held by khungtaskd/30:
#0: ffffffff8e939ae0 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire include/linux/rcupdate.h:337 [inline]
#0: ffffffff8e939ae0 (rcu_read_lock){....}-{1:2}, at: rcu_read_lock include/linux/rcupdate.h:849 [inline]
#0: ffffffff8e939ae0 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x55/0x2a0 kernel/locking/lockdep.c:6720
3 locks held by kworker/u8:3/52:
#0: ffff888015889148 ((wq_completion)events_unbound){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3207 [inline]
#0: ffff888015889148 ((wq_completion)events_unbound){+.+.}-{0:0}, at: process_scheduled_works+0x93b/0x1850 kernel/workqueue.c:3313
#1: ffffc90000bc7d00 ((work_completion)(&sub_info->work)){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3208 [inline]
#1: ffffc90000bc7d00 ((work_completion)(&sub_info->work)){+.+.}-{0:0}, at: process_scheduled_works+0x976/0x1850 kernel/workqueue.c:3313
#2: ffffffff8e9679d0 (cgroup_threadgroup_rwsem){++++}-{0:0}, at: copy_process+0x219b/0x3d50 kernel/fork.c:2468
2 locks held by kworker/u8:8/3080:
#0: ffff888015889148 ((wq_completion)events_unbound){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3207 [inline]
#0: ffff888015889148 ((wq_completion)events_unbound){+.+.}-{0:0}, at: process_scheduled_works+0x93b/0x1850 kernel/workqueue.c:3313
#1: ffffc9000a257d00 ((work_completion)(&sub_info->work)){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3208 [inline]
#1: ffffc9000a257d00 ((work_completion)(&sub_info->work)){+.+.}-{0:0}, at: process_scheduled_works+0x976/0x1850 kernel/workqueue.c:3313
4 locks held by kworker/u8:9/3130:
#0: ffff8880b903ea58 (&rq->__lock){-.-.}-{2:2}, at: raw_spin_rq_lock_nested+0xb0/0x140 kernel/sched/core.c:595
#1: ffffc9000a2b7d00 ((work_completion)(&rdev->wiphy_work)){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3208 [inline]
#1: ffffc9000a2b7d00 ((work_completion)(&rdev->wiphy_work)){+.+.}-{0:0}, at: process_scheduled_works+0x976/0x1850 kernel/workqueue.c:3313
#2: ffffffff95179900 (&obj_hash[i].lock){-.-.}-{2:2}, at: debug_object_deactivate+0x158/0x390 lib/debugobjects.c:764
#3: ffffffff95181aa8 (&obj_hash[i].lock){-.-.}-{2:2}, at: debug_object_activate+0x16d/0x510 lib/debugobjects.c:709
1 lock held by udevd/4684:
#0: ffffffff8e9679d0 (cgroup_threadgroup_rwsem){++++}-{0:0}, at: copy_process+0x219b/0x3d50 kernel/fork.c:2468
2 locks held by getty/4984:
#0: ffff88802b26c0a0 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x25/0x70 drivers/tty/tty_ldisc.c:243
#1: ffffc900031232f0 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x6ac/0x1e00 drivers/tty/n_tty.c:2211
1 lock held by syz-executor/5223:
#0: ffffffff8e9679d0 (cgroup_threadgroup_rwsem){++++}-{0:0}, at: do_exit+0x6b4/0x28e0 kernel/exit.c:896
1 lock held by udevd/5233:
#0: ffffffff8e9679d0 (cgroup_threadgroup_rwsem){++++}-{0:0}, at: do_exit+0x6b4/0x28e0 kernel/exit.c:896
1 lock held by udevd/5234:
#0: ffffffff8e9679d0 (cgroup_threadgroup_rwsem){++++}-{0:0}, at: do_exit+0x6b4/0x28e0 kernel/exit.c:896
1 lock held by udevd/5247:
#0: ffffffff8e9679d0 (cgroup_threadgroup_rwsem){++++}-{0:0}, at: do_exit+0x6b4/0x28e0 kernel/exit.c:896
1 lock held by udevd/5248:
#0: ffffffff8e9679d0 (cgroup_threadgroup_rwsem){++++}-{0:0}, at: do_exit+0x6b4/0x28e0 kernel/exit.c:896
1 lock held by udevd/5545:
#0: ffffffff8e9679d0 (cgroup_threadgroup_rwsem){++++}-{0:0}, at: do_exit+0x6b4/0x28e0 kernel/exit.c:896
1 lock held by syz-executor/5575:
#0: ffffffff8e9679d0 (cgroup_threadgroup_rwsem){++++}-{0:0}, at: copy_process+0x219b/0x3d50 kernel/fork.c:2468
1 lock held by udevd/5589:
#0: ffffffff8e9679d0 (cgroup_threadgroup_rwsem){++++}-{0:0}, at: do_exit+0x6b4/0x28e0 kernel/exit.c:896
1 lock held by udevd/5590:
#0: ffffffff8e9679d0 (cgroup_threadgroup_rwsem){++++}-{0:0}, at: do_exit+0x6b4/0x28e0 kernel/exit.c:896
5 locks held by syz-executor/5646:
#0: ffff88807e272420 (sb_writers#10){.+.+}-{0:0}, at: file_start_write include/linux/fs.h:2910 [inline]
#0: ffff88807e272420 (sb_writers#10){.+.+}-{0:0}, at: vfs_write+0x227/0xc90 fs/read_write.c:586
#1: ffff88807e457088 (&of->mutex){+.+.}-{3:3}, at: kernfs_fop_write_iter+0x1eb/0x500 fs/kernfs/file.c:325
#2: ffffffff8e9677e8 (cgroup_mutex){+.+.}-{3:3}, at: cgroup_lock include/linux/cgroup.h:368 [inline]
#2: ffffffff8e9677e8 (cgroup_mutex){+.+.}-{3:3}, at: cgroup_kn_lock_live+0xe6/0x290 kernel/cgroup/cgroup.c:1662
#3: ffffffff8e7d3a30 (cpu_hotplug_lock){++++}-{0:0}, at: cgroup_attach_lock kernel/cgroup/cgroup.c:2435 [inline]
#3: ffffffff8e7d3a30 (cpu_hotplug_lock){++++}-{0:0}, at: cgroup_procs_write_start+0x1a0/0x660 kernel/cgroup/cgroup.c:2939
#4: ffffffff8e9679d0 (cgroup_threadgroup_rwsem){++++}-{0:0}, at: cgroup_attach_lock kernel/cgroup/cgroup.c:2437 [inline]
#4: ffffffff8e9679d0 (cgroup_threadgroup_rwsem){++++}-{0:0}, at: cgroup_procs_write_start+0x1b5/0x660 kernel/cgroup/cgroup.c:2939
1 lock held by syz.2.126/5991:
1 lock held by ext4lazyinit/6034:
#0: ffffffff8e9679d0 (cgroup_threadgroup_rwsem){++++}-{0:0}, at: do_exit+0x6b4/0x28e0 kernel/exit.c:896
1 lock held by dhcpcd-run-hook/6042:
#0: ffffffff8e9679d0 (cgroup_threadgroup_rwsem){++++}-{0:0}, at: do_exit+0x6b4/0x28e0 kernel/exit.c:896
1 lock held by modprobe/6043:
#0: ffffffff8e9679d0 (cgroup_threadgroup_rwsem){++++}-{0:0}, at: do_exit+0x6b4/0x28e0 kernel/exit.c:896
=============================================
NMI backtrace for cpu 0
CPU: 0 UID: 0 PID: 30 Comm: khungtaskd Not tainted 6.11.0-rc4-next-20240823-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/06/2024
Call Trace:
__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:223 [inline]
watchdog+0xff4/0x1040 kernel/hung_task.c:379
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
Sending NMI from CPU 0 to CPUs 1:
NMI backtrace for cpu 1
CPU: 1 UID: 0 PID: 11 Comm: kworker/u8:0 Not tainted 6.11.0-rc4-next-20240823-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/06/2024
Workqueue: events_unbound cfg80211_wiphy_work
RIP: 0010:preempt_count arch/x86/include/asm/preempt.h:26 [inline]
RIP: 0010:check_kcov_mode kernel/kcov.c:183 [inline]
RIP: 0010:write_comp_data kernel/kcov.c:246 [inline]
RIP: 0010:__sanitizer_cov_trace_switch+0x9d/0x120 kernel/kcov.c:351
Code: 00 00 4d 85 d2 0f 84 8b 00 00 00 4c 8b 4c 24 20 65 4c 8b 1c 25 80 d7 03 00 31 d2 eb 08 48 ff c2 49 39 d2 74 71 4c 8b 74 d6 10 <65> 8b 05 64 c6 6f 7e 25 00 01 ff 00 74 11 3d 00 01 00 00 75 de 41
RSP: 0018:ffffc90000107158 EFLAGS: 00000212
RAX: 0000000000000000 RBX: 000000000000000f RCX: ffff888017ad3c00
RDX: 000000000000001b RSI: ffffffff8ff47c90 RDI: 0000000000000032
RBP: ffffc90000107590 R08: 0000000000000001 R09: ffffffff8b3d4493
R10: 0000000000000028 R11: ffff888017ad3c00 R12: ffff88802a20218d
R13: ffff88802a20218d R14: 000000000000007f R15: dffffc0000000000
FS: 0000000000000000(0000) GS:ffff8880b9100000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000055a359d49040 CR3: 000000000e736000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
_ieee802_11_parse_elems_full+0x6e3/0x4a40 net/mac80211/parse.c:293
ieee802_11_parse_elems_full+0xdff/0x2880 net/mac80211/parse.c:984
ieee802_11_parse_elems_crc net/mac80211/ieee80211_i.h:2361 [inline]
ieee802_11_parse_elems net/mac80211/ieee80211_i.h:2368 [inline]
ieee80211_rx_mgmt_probe_beacon net/mac80211/ibss.c:1575 [inline]
ieee80211_ibss_rx_queued_mgmt+0x4c8/0x2d70 net/mac80211/ibss.c:1606
ieee80211_iface_process_skb net/mac80211/iface.c:1588 [inline]
ieee80211_iface_work+0x8a5/0xf20 net/mac80211/iface.c:1642
cfg80211_wiphy_work+0x2db/0x490 net/wireless/core.c:440
process_one_work kernel/workqueue.c:3232 [inline]
process_scheduled_works+0xa63/0x1850 kernel/workqueue.c:3313
worker_thread+0x86d/0xd10 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