INFO: task kworker/u4:1:11 blocked for more than 143 seconds.
Not tainted syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/u4:1 state:D stack:25840 pid:11 ppid:2 flags:0x00004000
Workqueue: events_unbound fsnotify_mark_destroy_workfn
Call Trace:
context_switch kernel/sched/core.c:5244 [inline]
__schedule+0x10ec/0x40b0 kernel/sched/core.c:6561
schedule+0xb9/0x180 kernel/sched/core.c:6637
schedule_timeout+0x97/0x280 kernel/time/timer.c:1941
do_wait_for_common kernel/sched/completion.c:85 [inline]
__wait_for_common kernel/sched/completion.c:106 [inline]
wait_for_common kernel/sched/completion.c:117 [inline]
wait_for_completion+0x2b9/0x590 kernel/sched/completion.c:138
__synchronize_srcu+0x283/0x310 kernel/rcu/srcutree.c:1243
fsnotify_mark_destroy_workfn+0xfe/0x2e0 fs/notify/mark.c:924
process_one_work+0x898/0x1160 kernel/workqueue.c:2292
worker_thread+0xaa2/0x1250 kernel/workqueue.c:2439
kthread+0x29d/0x330 kernel/kthread.c:376
ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:295
INFO: task kworker/u4:7:4493 blocked for more than 144 seconds.
Not tainted syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/u4:7 state:D stack:24960 pid:4493 ppid:2 flags:0x00004000
Workqueue: events_unbound fsnotify_connector_destroy_workfn
Call Trace:
context_switch kernel/sched/core.c:5244 [inline]
__schedule+0x10ec/0x40b0 kernel/sched/core.c:6561
schedule+0xb9/0x180 kernel/sched/core.c:6637
schedule_timeout+0x97/0x280 kernel/time/timer.c:1941
do_wait_for_common kernel/sched/completion.c:85 [inline]
__wait_for_common kernel/sched/completion.c:106 [inline]
wait_for_common kernel/sched/completion.c:117 [inline]
wait_for_completion+0x2b9/0x590 kernel/sched/completion.c:138
__synchronize_srcu+0x283/0x310 kernel/rcu/srcutree.c:1243
fsnotify_connector_destroy_workfn+0x40/0xa0 fs/notify/mark.c:234
process_one_work+0x898/0x1160 kernel/workqueue.c:2292
worker_thread+0xaa2/0x1250 kernel/workqueue.c:2439
kthread+0x29d/0x330 kernel/kthread.c:376
ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:295
INFO: task udevd:4515 blocked for more than 146 seconds.
Not tainted syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:udevd state:D stack:27168 pid:4515 ppid:3637 flags:0x00004002
Call Trace:
context_switch kernel/sched/core.c:5244 [inline]
__schedule+0x10ec/0x40b0 kernel/sched/core.c:6561
schedule+0xb9/0x180 kernel/sched/core.c:6637
schedule_preempt_disabled+0xf/0x20 kernel/sched/core.c:6696
__mutex_lock_common kernel/locking/mutex.c:679 [inline]
__mutex_lock+0x555/0xaf0 kernel/locking/mutex.c:747
device_lock include/linux/device.h:837 [inline]
uevent_show+0x16c/0x320 drivers/base/core.c:2669
dev_attr_show+0x50/0xb0 drivers/base/core.c:2372
sysfs_kf_seq_show+0x349/0x4b0 fs/sysfs/file.c:59
seq_read_iter+0x49b/0xd50 fs/seq_file.c:230
call_read_iter include/linux/fs.h:2259 [inline]
new_sync_read fs/read_write.c:389 [inline]
vfs_read+0x434/0x920 fs/read_write.c:470
ksys_read+0x143/0x240 fs/read_write.c:613
do_syscall_x64 arch/x86/entry/common.c:51 [inline]
do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:81
entry_SYSCALL_64_after_hwframe+0x68/0xd2
RIP: 0033:0x7f0a9b7d8407
RSP: 002b:00007fffd707e6d0 EFLAGS: 00000202 ORIG_RAX: 0000000000000000
RAX: ffffffffffffffda RBX: 00007f0a9b74c880 RCX: 00007f0a9b7d8407
RDX: 0000000000001000 RSI: 000055d00d9d5a20 RDI: 0000000000000008
RBP: 00007f0a9b920ff0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000202 R12: 000000000000000a
R13: 00007f0a9b920ea0 R14: 0000000000000000 R15: 000055d00d9c77a0
INFO: task dhcpcd:4546 blocked for more than 147 seconds.
Not tainted syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:dhcpcd state:D stack:24960 pid:4546 ppid:3932 flags:0x00004002
Call Trace:
context_switch kernel/sched/core.c:5244 [inline]
__schedule+0x10ec/0x40b0 kernel/sched/core.c:6561
schedule+0xb9/0x180 kernel/sched/core.c:6637
synchronize_rcu_expedited+0x67d/0x830 kernel/rcu/tree_exp.h:977
synchronize_rcu+0x11c/0x380 kernel/rcu/tree.c:3580
__unregister_prot_hook+0x3f7/0x570 net/packet/af_packet.c:383
packet_do_bind+0x519/0xce0 net/packet/af_packet.c:3284
__sys_bind+0x2f4/0x3f0 net/socket.c:1811
__do_sys_bind net/socket.c:1822 [inline]
__se_sys_bind net/socket.c:1820 [inline]
__x64_sys_bind+0x76/0x80 net/socket.c:1820
do_syscall_x64 arch/x86/entry/common.c:51 [inline]
do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:81
entry_SYSCALL_64_after_hwframe+0x68/0xd2
RIP: 0033:0x7f9b65eae2d7
RSP: 002b:00007ffc36e4fe38 EFLAGS: 00000213 ORIG_RAX: 0000000000000031
RAX: ffffffffffffffda RBX: 0000564658d51380 RCX: 00007f9b65eae2d7
RDX: 0000000000000014 RSI: 00007ffc36e4fe50 RDI: 0000000000000003
RBP: 0000564643f774b0 R08: 00007f9b65f7dac0 R09: 0000000000000000
R10: 0000000000000002 R11: 0000000000000213 R12: 0000000000000000
R13: 0000564658d4acf0 R14: 0000000000000000 R15: 0000564643f8cac0
INFO: task dhcpcd:4553 blocked for more than 148 seconds.
Not tainted syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:dhcpcd state:D stack:24960 pid:4553 ppid:3932 flags:0x00004002
Call Trace:
context_switch kernel/sched/core.c:5244 [inline]
__schedule+0x10ec/0x40b0 kernel/sched/core.c:6561
schedule+0xb9/0x180 kernel/sched/core.c:6637
schedule_preempt_disabled+0xf/0x20 kernel/sched/core.c:6696
__mutex_lock_common kernel/locking/mutex.c:679 [inline]
__mutex_lock+0x555/0xaf0 kernel/locking/mutex.c:747
exp_funnel_lock kernel/rcu/tree_exp.h:323 [inline]
synchronize_rcu_expedited+0x346/0x830 kernel/rcu/tree_exp.h:962
synchronize_rcu+0x11c/0x380 kernel/rcu/tree.c:3580
__unregister_prot_hook+0x3f7/0x570 net/packet/af_packet.c:383
packet_do_bind+0x519/0xce0 net/packet/af_packet.c:3284
__sys_bind+0x2f4/0x3f0 net/socket.c:1811
__do_sys_bind net/socket.c:1822 [inline]
__se_sys_bind net/socket.c:1820 [inline]
__x64_sys_bind+0x76/0x80 net/socket.c:1820
do_syscall_x64 arch/x86/entry/common.c:51 [inline]
do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:81
entry_SYSCALL_64_after_hwframe+0x68/0xd2
RIP: 0033:0x7f9b65eae2d7
RSP: 002b:00007ffc36e4fe38 EFLAGS: 00000213 ORIG_RAX: 0000000000000031
RAX: ffffffffffffffda RBX: 0000564658d51380 RCX: 00007f9b65eae2d7
RDX: 0000000000000014 RSI: 00007ffc36e4fe50 RDI: 0000000000000003
RBP: 0000564643f774b0 R08: 00007f9b65f7dac0 R09: 0000000000000000
R10: 0000000000000002 R11: 0000000000000213 R12: 0000000000000000
R13: 0000564658d4ab20 R14: 0000000000000000 R15: 0000564643f8cac0
INFO: task dhcpcd:4554 blocked for more than 149 seconds.
Not tainted syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:dhcpcd state:D stack:24960 pid:4554 ppid:3932 flags:0x00004002
Call Trace:
context_switch kernel/sched/core.c:5244 [inline]
__schedule+0x10ec/0x40b0 kernel/sched/core.c:6561
schedule+0xb9/0x180 kernel/sched/core.c:6637
exp_funnel_lock kernel/rcu/tree_exp.h:314 [inline]
synchronize_rcu_expedited+0x71b/0x830 kernel/rcu/tree_exp.h:962
synchronize_rcu+0x11c/0x380 kernel/rcu/tree.c:3580
__unregister_prot_hook+0x3f7/0x570 net/packet/af_packet.c:383
packet_do_bind+0x519/0xce0 net/packet/af_packet.c:3284
__sys_bind+0x2f4/0x3f0 net/socket.c:1811
__do_sys_bind net/socket.c:1822 [inline]
__se_sys_bind net/socket.c:1820 [inline]
__x64_sys_bind+0x76/0x80 net/socket.c:1820
do_syscall_x64 arch/x86/entry/common.c:51 [inline]
do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:81
entry_SYSCALL_64_after_hwframe+0x68/0xd2
RIP: 0033:0x7f9b65eae2d7
RSP: 002b:00007ffc36e4fe38 EFLAGS: 00000213 ORIG_RAX: 0000000000000031
RAX: ffffffffffffffda RBX: 0000564658d51380 RCX: 00007f9b65eae2d7
RDX: 0000000000000014 RSI: 00007ffc36e4fe50 RDI: 0000000000000003
RBP: 0000564643f774b0 R08: 00007f9b65f7dac0 R09: 0000000000000000
R10: 0000000000000002 R11: 0000000000000213 R12: 0000000000000000
R13: 0000564658d4aec0 R14: 0000000000000000 R15: 0000564643f8cac0
INFO: task dhcpcd:4555 blocked for more than 151 seconds.
Not tainted syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:dhcpcd state:D stack:24960 pid:4555 ppid:3932 flags:0x00004002
Call Trace:
context_switch kernel/sched/core.c:5244 [inline]
__schedule+0x10ec/0x40b0 kernel/sched/core.c:6561
schedule+0xb9/0x180 kernel/sched/core.c:6637
exp_funnel_lock kernel/rcu/tree_exp.h:314 [inline]
synchronize_rcu_expedited+0x71b/0x830 kernel/rcu/tree_exp.h:962
synchronize_rcu+0x11c/0x380 kernel/rcu/tree.c:3580
__unregister_prot_hook+0x3f7/0x570 net/packet/af_packet.c:383
packet_do_bind+0x519/0xce0 net/packet/af_packet.c:3284
__sys_bind+0x2f4/0x3f0 net/socket.c:1811
__do_sys_bind net/socket.c:1822 [inline]
__se_sys_bind net/socket.c:1820 [inline]
__x64_sys_bind+0x76/0x80 net/socket.c:1820
do_syscall_x64 arch/x86/entry/common.c:51 [inline]
do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:81
entry_SYSCALL_64_after_hwframe+0x68/0xd2
RIP: 0033:0x7f9b65eae2d7
RSP: 002b:00007ffc36e4fe38 EFLAGS: 00000213 ORIG_RAX: 0000000000000031
RAX: ffffffffffffffda RBX: 0000564658d51380 RCX: 00007f9b65eae2d7
RDX: 0000000000000014 RSI: 00007ffc36e4fe50 RDI: 0000000000000003
RBP: 0000564643f774b0 R08: 00007f9b65f7dac0 R09: 0000000000000000
R10: 0000000000000002 R11: 0000000000000213 R12: 0000000000000000
R13: 0000564658d4a680 R14: 0000000000000000 R15: 0000564643f8cac0
INFO: task dhcpcd:4556 blocked for more than 152 seconds.
Not tainted syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:dhcpcd state:D stack:24960 pid:4556 ppid:3932 flags:0x00004002
Call Trace:
context_switch kernel/sched/core.c:5244 [inline]
__schedule+0x10ec/0x40b0 kernel/sched/core.c:6561
schedule+0xb9/0x180 kernel/sched/core.c:6637
exp_funnel_lock kernel/rcu/tree_exp.h:314 [inline]
synchronize_rcu_expedited+0x71b/0x830 kernel/rcu/tree_exp.h:962