[ 756.334483] nipa-hw-worker: drivers/net:napi_threaded.py: timed out
[ 756.337009] nipa-hw-worker: [4/37] Retrying drivers/net:napi_threaded.py
[ 756.499238] kselftest: Running tests in drivers/net
[ 830.007906] kworker/u130:0 (178) used greatest stack depth: 21192 bytes left
[ 989.753547] INFO: task python3:4997 blocked for more than 122 seconds.
[ 989.761773] Not tainted 7.0.0-rc4-qjpb-g8ee1c355a7bc #1
[ 989.769022] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[ 989.778610] task:python3 state:D stack:25312 pid:4997 tgid:4997 ppid:4996 task_flags:0x400100 flags:0x00080000
[ 989.791816] Call Trace:
[ 989.795354]
[ 989.798505] __schedule+0xad9/0x1490
[ 989.803320] ? io_schedule_timeout+0x130/0x130
[ 989.809104] ? find_held_lock+0x2b/0x80
[ 989.814208] ? __lock_release.isra.0+0x59/0x170
[ 989.820094] schedule+0xd4/0x260
[ 989.824512] schedule_preempt_disabled+0x18/0x30
[ 989.830492] __mutex_lock+0xd76/0x1f20
[ 989.835497] ? threaded_store+0x132/0x220
[ 989.840793] ? ww_mutex_lock+0x160/0x160
[ 989.845989] ? selinux_inode_free_security+0x310/0x310
[ 989.852556] ? cap_capable+0x1ed/0x3f0
[ 989.857553] ? sysfs_file_ops+0x140/0x140
[ 989.862850] ? threaded_store+0x132/0x220
[ 989.868147] threaded_store+0x132/0x220
[ 989.873250] ? tx_maxrate_store+0x4e0/0x4e0
[ 989.878743] ? sysfs_file_ops+0x140/0x140
[ 989.884039] ? sysfs_file_kobj+0xbd/0x1e0
[ 989.889336] ? sysfs_kf_write+0x65/0x160
[ 989.894535] kernfs_fop_write_iter+0x335/0x510
[ 989.900319] ? kernfs_ops+0xf0/0xf0
[ 989.905030] new_sync_write+0x308/0x6f0
[ 989.910134] ? new_sync_read+0x6f0/0x6f0
[ 989.915334] ? lock_acquire.part.0+0xbc/0x260
[ 989.921018] ? ksys_write+0xff/0x200
[ 989.925831] vfs_write+0x62a/0x980
[ 989.930445] ksys_write+0xff/0x200
[ 989.935057] ? __ia32_sys_read+0xc0/0xc0
[ 989.940252] ? kernfs_fop_llseek+0x160/0x1f0
[ 989.945840] ? rcu_is_watching+0x15/0xd0
[ 989.951040] do_syscall_64+0xf3/0x5e0
[ 989.955945] ? irq_exit_rcu+0x39/0xf0
[ 989.960852] entry_SYSCALL_64_after_hwframe+0x4b/0x53
[ 989.967319] RIP: 0033:0x7fc204cd6c5e
[ 989.972127] RSP: 002b:00007ffcb34959a0 EFLAGS: 00000202 ORIG_RAX: 0000000000000001
[ 989.981424] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007fc204cd6c5e
[ 989.990231] RDX: 0000000000000001 RSI: 000055b2d7883110 RDI: 0000000000000007
[ 989.999038] RBP: 00007ffcb34959b0 R08: 0000000000000000 R09: 0000000000000000
[ 990.007845] R10: 0000000000000000 R11: 0000000000000202 R12: 00007fc204b71e80
[ 990.016645] R13: 000055b2d7883110 R14: 0000000000000007 R15: 00007fc2053d7b98
[ 990.025459]
[ 990.028721] INFO: task python3:4997 is blocked on a mutex likely owned by task python3:3024.
[ 990.039000] task:python3 state:D stack:25312 pid:3024 tgid:3024 ppid:3023 task_flags:0x400100 flags:0x00080802
[ 990.052200] Call Trace:
[ 990.055728]
[ 990.058874] __schedule+0xad9/0x1490
[ 990.063684] ? io_schedule_timeout+0x130/0x130
[ 990.069458] ? find_held_lock+0x2b/0x80
[ 990.074558] ? __try_to_del_timer_sync+0x154/0x1f0
[ 990.080738] schedule+0xd4/0x260
[ 990.085155] schedule_timeout+0x103/0x260
[ 990.090450] ? rcu_is_watching+0x15/0xd0
[ 990.095645] ? hrtimer_nanosleep_restart+0x180/0x180
[ 990.102014] ? hrtimers_cpu_dying+0x250/0x250
[ 990.107704] ? ww_mutex_lock+0x160/0x160
[ 990.112903] msleep+0x1b/0x30
[ 990.117028] napi_set_threaded+0x376/0x410
[ 990.122420] ? napi_resume_irqs+0x1a0/0x1a0
[ 990.127913] netif_set_threaded+0x254/0x400
[ 990.133407] ? sysfs_file_ops+0x140/0x140
[ 990.138701] threaded_store+0x1bb/0x220
[ 990.143804] ? tx_maxrate_store+0x4e0/0x4e0
[ 990.149285] ? sysfs_file_ops+0x140/0x140
[ 990.154581] ? sysfs_file_kobj+0xbd/0x1e0
[ 990.159875] ? sysfs_kf_write+0x65/0x160
[ 990.165076] kernfs_fop_write_iter+0x335/0x510
[ 990.170851] ? kernfs_ops+0xf0/0xf0
[ 990.175559] new_sync_write+0x308/0x6f0
[ 990.180662] ? new_sync_read+0x6f0/0x6f0
[ 990.185854] ? lock_acquire.part.0+0xbc/0x260
[ 990.191540] ? ksys_write+0xff/0x200
[ 990.196351] vfs_write+0x62a/0x980
[ 990.200965] ksys_write+0xff/0x200
[ 990.205569] ? __ia32_sys_read+0xc0/0xc0
[ 990.210766] ? kernfs_fop_llseek+0x160/0x1f0
[ 990.216353] ? rcu_is_watching+0x15/0xd0
[ 990.221551] do_syscall_64+0xf3/0x5e0
[ 990.226455] ? irq_exit_rcu+0x39/0xf0
[ 990.231361] entry_SYSCALL_64_after_hwframe+0x4b/0x53
[ 990.237826] RIP: 0033:0x7f6b0c41bc5e
[ 990.242634] RSP: 002b:00007ffea0d8f1d0 EFLAGS: 00000202 ORIG_RAX: 0000000000000001
[ 990.251931] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007f6b0c41bc5e
[ 990.260736] RDX: 0000000000000001 RSI: 000055c3ea345110 RDI: 0000000000000007
[ 990.269542] RBP: 00007ffea0d8f1e0 R08: 0000000000000000 R09: 0000000000000000
[ 990.278348] R10: 0000000000000000 R11: 0000000000000202 R12: 00007f6b0c2b6e80
[ 990.287156] R13: 000055c3ea345110 R14: 0000000000000007 R15: 00007f6b0c246480
[ 990.295962]
[ 990.299217] \x0aShowing all locks held in the system:
[ 990.307753] 1 lock held by khungtaskd/185:
[ 990.313146] #0: ffffffff9eece020 (rcu_read_lock){....}-{1:3}, at: rcu_lock_acquire.constprop.0+0x7/0x30
[ 990.324628] 4 locks held by python3/3024:
[ 990.329921] #0: ff110001116e13f8 (sb_writers#4){.+.+}-{0:0}, at: ksys_write+0xff/0x200
[ 990.339710] #1: ff1100013ecda088 (&of->mutex#2){+.+.}-{4:4}, at: kernfs_fop_write_iter+0x247/0x510
[ 990.350672] #2: ff110001223fb0f0 (kn->active#167){.+.+}-{0:0}, at: kernfs_fop_write_iter+0x29e/0x510
[ 990.361828] #3: ff11000122471cb8 (&dev->lock){+.+.}-{4:4}, at: threaded_store+0x132/0x220
[ 990.371923] 4 locks held by python3/4997:
[ 990.377218] #0: ff110001116e13f8 (sb_writers#4){.+.+}-{0:0}, at: ksys_write+0xff/0x200
[ 990.387008] #1: ff1100018186fa88 (&of->mutex#2){+.+.}-{4:4}, at: kernfs_fop_write_iter+0x247/0x510
[ 990.397968] #2: ff110001223fb0f0 (kn->active#167){.+.+}-{0:0}, at: kernfs_fop_write_iter+0x29e/0x510
[ 990.409126] #3: ff11000122471cb8 (&dev->lock){+.+.}-{4:4}, at: threaded_store+0x132/0x220
[ 990.419213]
[ 990.421676] =============================================\x0a
[ 1112.634816] INFO: task python3:4997 blocked for more than 245 seconds.
[ 1112.642963] Not tainted 7.0.0-rc4-qjpb-g8ee1c355a7bc #1
[ 1112.650212] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[ 1112.659803] task:python3 state:D stack:25312 pid:4997 tgid:4997 ppid:4996 task_flags:0x400100 flags:0x00080000
[ 1112.673011] Call Trace:
[ 1112.676552]
[ 1112.679702] __schedule+0xad9/0x1490
[ 1112.684520] ? io_schedule_timeout+0x130/0x130
[ 1112.690306] ? find_held_lock+0x2b/0x80
[ 1112.695414] ? __lock_release.isra.0+0x59/0x170
[ 1112.701300] schedule+0xd4/0x260
[ 1112.705716] schedule_preempt_disabled+0x18/0x30
[ 1112.711694] __mutex_lock+0xd76/0x1f20
[ 1112.716699] ? threaded_store+0x132/0x220
[ 1112.721998] ? ww_mutex_lock+0x160/0x160
[ 1112.727197] ? selinux_inode_free_security+0x310/0x310
[ 1112.733766] ? cap_capable+0x1ed/0x3f0
[ 1112.738777] ? sysfs_file_ops+0x140/0x140
[ 1112.744080] ? threaded_store+0x132/0x220
[ 1112.749375] threaded_store+0x132/0x220
[ 1112.754477] ? tx_maxrate_store+0x4e0/0x4e0
[ 1112.759959] ? sysfs_file_ops+0x140/0x140
[ 1112.765259] ? sysfs_file_kobj+0xbd/0x1e0
[ 1112.770555] ? sysfs_kf_write+0x65/0x160
[ 1112.775755] kernfs_fop_write_iter+0x335/0x510
[ 1112.781532] ? kernfs_ops+0xf0/0xf0
[ 1112.786236] new_sync_write+0x308/0x6f0
[ 1112.791340] ? new_sync_read+0x6f0/0x6f0
[ 1112.796542] ? lock_acquire.part.0+0xbc/0x260
[ 1112.802229] ? ksys_write+0xff/0x200
[ 1112.807032] vfs_write+0x62a/0x980
[ 1112.811654] ksys_write+0xff/0x200
[ 1112.816267] ? __ia32_sys_read+0xc0/0xc0
[ 1112.821463] ? kernfs_fop_llseek+0x160/0x1f0
[ 1112.827054] ? rcu_is_watching+0x15/0xd0
[ 1112.832256] do_syscall_64+0xf3/0x5e0
[ 1112.837161] ? irq_exit_rcu+0x39/0xf0
[ 1112.842071] entry_SYSCALL_64_after_hwframe+0x4b/0x53
[ 1112.848538] RIP: 0033:0x7fc204cd6c5e
[ 1112.853338] RSP: 002b:00007ffcb34959a0 EFLAGS: 00000202 ORIG_RAX: 0000000000000001
[ 1112.862627] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007fc204cd6c5e
[ 1112.871435] RDX: 0000000000000001 RSI: 000055b2d7883110 RDI: 0000000000000007
[ 1112.880237] RBP: 00007ffcb34959b0 R08: 0000000000000000 R09: 0000000000000000
[ 1112.889047] R10: 0000000000000000 R11: 0000000000000202 R12: 00007fc204b71e80
[ 1112.897859] R13: 000055b2d7883110 R14: 0000000000000007 R15: 00007fc2053d7b98
[ 1112.906676]
[ 1112.909958] INFO: task python3:4997 is blocked on a mutex likely owned by task python3:3024.
[ 1112.920301] task:python3 state:D stack:25312 pid:3024 tgid:3024 ppid:3023 task_flags:0x400100 flags:0x00080802
[ 1112.933503] Call Trace:
[ 1112.937045]
[ 1112.940196] __schedule+0xad9/0x1490
[ 1112.945006] ? io_schedule_timeout+0x130/0x130
[ 1112.950780] ? find_held_lock+0x2b/0x80
[ 1112.955885] ? __try_to_del_timer_sync+0x154/0x1f0
[ 1112.962065] schedule+0xd4/0x260
[ 1112.966483] schedule_timeout+0x103/0x260
[ 1112.971783] ? rcu_is_watching+0x15/0xd0
[ 1112.976983] ? hrtimer_nanosleep_restart+0x180/0x180
[ 1112.983353] ? hrtimers_cpu_dying+0x250/0x250
[ 1112.989047] ? ww_mutex_lock+0x160/0x160
[ 1112.994249] msleep+0x1b/0x30
[ 1112.998377] napi_set_threaded+0x376/0x410
[ 1113.003772] ? napi_resume_irqs+0x1a0/0x1a0
[ 1113.009270] netif_set_threaded+0x254/0x400
[ 1113.014763] ? sysfs_file_ops+0x140/0x140
[ 1113.020053] threaded_store+0x1bb/0x220
[ 1113.025156] ? tx_maxrate_store+0x4e0/0x4e0
[ 1113.030656] ? sysfs_file_ops+0x140/0x140
[ 1113.035951] ? sysfs_file_kobj+0xbd/0x1e0
[ 1113.041250] ? sysfs_kf_write+0x65/0x160
[ 1113.046453] kernfs_fop_write_iter+0x335/0x510
[ 1113.052239] ? kernfs_ops+0xf0/0xf0
[ 1113.056950] new_sync_write+0x308/0x6f0
[ 1113.062053] ? new_sync_read+0x6f0/0x6f0
[ 1113.067252] ? lock_acquire.part.0+0xbc/0x260
[ 1113.072941] ? ksys_write+0xff/0x200
[ 1113.077754] vfs_write+0x62a/0x980
[ 1113.082371] ksys_write+0xff/0x200
[ 1113.086985] ? __ia32_sys_read+0xc0/0xc0
[ 1113.092186] ? kernfs_fop_llseek+0x160/0x1f0
[ 1113.097779] ? rcu_is_watching+0x15/0xd0
[ 1113.102978] do_syscall_64+0xf3/0x5e0
[ 1113.107884] ? irq_exit_rcu+0x39/0xf0
[ 1113.112793] entry_SYSCALL_64_after_hwframe+0x4b/0x53
[ 1113.119263] RIP: 0033:0x7f6b0c41bc5e
[ 1113.124071] RSP: 002b:00007ffea0d8f1d0 EFLAGS: 00000202 ORIG_RAX: 0000000000000001
[ 1113.133367] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007f6b0c41bc5e
[ 1113.142178] RDX: 0000000000000001 RSI: 000055c3ea345110 RDI: 0000000000000007
[ 1113.150986] RBP: 00007ffea0d8f1e0 R08: 0000000000000000 R09: 0000000000000000
[ 1113.159796] R10: 0000000000000000 R11: 0000000000000202 R12: 00007f6b0c2b6e80
[ 1113.168604] R13: 000055c3ea345110 R14: 0000000000000007 R15: 00007f6b0c246480
[ 1113.177412]
[ 1113.180673] \x0aShowing all locks held in the system:
[ 1113.189207] 1 lock held by khungtaskd/185:
[ 1113.194602] #0: ffffffff9eece020 (rcu_read_lock){....}-{1:3}, at: rcu_lock_acquire.constprop.0+0x7/0x30
[ 1113.206087] 4 locks held by python3/3024:
[ 1113.211383] #0: ff110001116e13f8 (sb_writers#4){.+.+}-{0:0}, at: ksys_write+0xff/0x200
[ 1113.221175] #1: ff1100013ecda088 (&of->mutex#2){+.+.}-{4:4}, at: kernfs_fop_write_iter+0x247/0x510
[ 1113.232129] #2: ff110001223fb0f0 (kn->active#167){.+.+}-{0:0}, at: kernfs_fop_write_iter+0x29e/0x510
[ 1113.243286] #3: ff11000122471cb8 (&dev->lock){+.+.}-{4:4}, at: threaded_store+0x132/0x220
[ 1113.253371] 4 locks held by python3/4997:
[ 1113.258667] #0: ff110001116e13f8 (sb_writers#4){.+.+}-{0:0}, at: ksys_write+0xff/0x200
[ 1113.268459] #1: ff1100018186fa88 (&of->mutex#2){+.+.}-{4:4}, at: kernfs_fop_write_iter+0x247/0x510
[ 1113.279411] #2: ff110001223fb0f0 (kn->active#167){.+.+}-{0:0}, at: kernfs_fop_write_iter+0x29e/0x510
[ 1113.290570] #3: ff11000122471cb8 (&dev->lock){+.+.}-{4:4}, at: threaded_store+0x132/0x220
[ 1113.300666] 1 lock held by systemd/6074:
[ 1113.305868]
[ 1113.308338] =============================================\x0a
[ 1235.516089] INFO: task python3:4997 blocked for more than 368 seconds.
[ 1235.524230] Not tainted 7.0.0-rc4-qjpb-g8ee1c355a7bc #1
[ 1235.531480] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[ 1235.541070] task:python3 state:D stack:25312 pid:4997 tgid:4997 ppid:4996 task_flags:0x400100 flags:0x00080002
[ 1235.554278] Call Trace:
[ 1235.557816]
[ 1235.560969] __schedule+0xad9/0x1490
[ 1235.565787] ? io_schedule_timeout+0x130/0x130
[ 1235.571574] ? find_held_lock+0x2b/0x80
[ 1235.576683] ? __lock_release.isra.0+0x59/0x170
[ 1235.582567] schedule+0xd4/0x260
[ 1235.586987] schedule_preempt_disabled+0x18/0x30
[ 1235.592959] __mutex_lock+0xd76/0x1f20
[ 1235.597966] ? threaded_store+0x132/0x220
[ 1235.603266] ? ww_mutex_lock+0x160/0x160
[ 1235.608465] ? selinux_inode_free_security+0x310/0x310
[ 1235.615034] ? cap_capable+0x1ed/0x3f0
[ 1235.620044] ? sysfs_file_ops+0x140/0x140
[ 1235.625344] ? threaded_store+0x132/0x220
[ 1235.630642] threaded_store+0x132/0x220
[ 1235.635736] ? tx_maxrate_store+0x4e0/0x4e0
[ 1235.641223] ? sysfs_file_ops+0x140/0x140
[ 1235.646521] ? sysfs_file_kobj+0xbd/0x1e0
[ 1235.651817] ? sysfs_kf_write+0x65/0x160
[ 1235.657016] kernfs_fop_write_iter+0x335/0x510
[ 1235.662793] ? kernfs_ops+0xf0/0xf0
[ 1235.667498] new_sync_write+0x308/0x6f0
[ 1235.672602] ? new_sync_read+0x6f0/0x6f0
[ 1235.677796] ? lock_acquire.part.0+0xbc/0x260
[ 1235.683482] ? ksys_write+0xff/0x200
[ 1235.688295] vfs_write+0x62a/0x980
[ 1235.692911] ksys_write+0xff/0x200
[ 1235.697526] ? __ia32_sys_read+0xc0/0xc0
[ 1235.702716] ? kernfs_fop_llseek+0x160/0x1f0
[ 1235.708310] ? rcu_is_watching+0x15/0xd0
[ 1235.713510] do_syscall_64+0xf3/0x5e0
[ 1235.718419] ? irq_exit_rcu+0x39/0xf0
[ 1235.723330] entry_SYSCALL_64_after_hwframe+0x4b/0x53
[ 1235.729799] RIP: 0033:0x7fc204cd6c5e
[ 1235.734610] RSP: 002b:00007ffcb34959a0 EFLAGS: 00000202 ORIG_RAX: 0000000000000001
[ 1235.743907] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007fc204cd6c5e
[ 1235.752715] RDX: 0000000000000001 RSI: 000055b2d7883110 RDI: 0000000000000007
[ 1235.761525] RBP: 00007ffcb34959b0 R08: 0000000000000000 R09: 0000000000000000
[ 1235.770334] R10: 0000000000000000 R11: 0000000000000202 R12: 00007fc204b71e80
[ 1235.779144] R13: 000055b2d7883110 R14: 0000000000000007 R15: 00007fc2053d7b98
[ 1235.787961]
[ 1235.791236] INFO: task python3:4997 is blocked on a mutex likely owned by task python3:3024.
[ 1235.801510] task:python3 state:D stack:25312 pid:3024 tgid:3024 ppid:3023 task_flags:0x400100 flags:0x00080802
[ 1235.814703] Call Trace:
[ 1235.818241]
[ 1235.821392] __schedule+0xad9/0x1490
[ 1235.826202] ? io_schedule_timeout+0x130/0x130
[ 1235.831987] ? find_held_lock+0x2b/0x80
[ 1235.837093] ? __try_to_del_timer_sync+0x154/0x1f0
[ 1235.843273] schedule+0xd4/0x260
[ 1235.847691] schedule_timeout+0x103/0x260
[ 1235.852986] ? rcu_is_watching+0x15/0xd0
[ 1235.858186] ? hrtimer_nanosleep_restart+0x180/0x180
[ 1235.864558] ? hrtimers_cpu_dying+0x250/0x250
[ 1235.870250] ? ww_mutex_lock+0x160/0x160
[ 1235.875449] msleep+0x1b/0x30
[ 1235.879575] napi_set_threaded+0x376/0x410
[ 1235.884965] ? napi_resume_irqs+0x1a0/0x1a0
[ 1235.890463] netif_set_threaded+0x254/0x400
[ 1235.895957] ? sysfs_file_ops+0x140/0x140
[ 1235.901253] threaded_store+0x1bb/0x220
[ 1235.906355] ? tx_maxrate_store+0x4e0/0x4e0
[ 1235.911850] ? sysfs_file_ops+0x140/0x140
[ 1235.917146] ? sysfs_file_kobj+0xbd/0x1e0
[ 1235.922443] ? sysfs_kf_write+0x65/0x160
[ 1235.927644] kernfs_fop_write_iter+0x335/0x510
[ 1235.933430] ? kernfs_ops+0xf0/0xf0
[ 1235.938143] new_sync_write+0x308/0x6f0
[ 1235.943249] ? new_sync_read+0x6f0/0x6f0
[ 1235.948451] ? lock_acquire.part.0+0xbc/0x260
[ 1235.954136] ? ksys_write+0xff/0x200
[ 1235.958947] vfs_write+0x62a/0x980
[ 1235.963565] ksys_write+0xff/0x200
[ 1235.968181] ? __ia32_sys_read+0xc0/0xc0
[ 1235.973382] ? kernfs_fop_llseek+0x160/0x1f0
[ 1235.978973] ? rcu_is_watching+0x15/0xd0
[ 1235.984176] do_syscall_64+0xf3/0x5e0
[ 1235.989083] ? irq_exit_rcu+0x39/0xf0
[ 1235.993991] entry_SYSCALL_64_after_hwframe+0x4b/0x53
[ 1236.000450] RIP: 0033:0x7f6b0c41bc5e
[ 1236.005259] RSP: 002b:00007ffea0d8f1d0 EFLAGS: 00000202 ORIG_RAX: 0000000000000001
[ 1236.014556] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007f6b0c41bc5e
[ 1236.023365] RDX: 0000000000000001 RSI: 000055c3ea345110 RDI: 0000000000000007
[ 1236.032175] RBP: 00007ffea0d8f1e0 R08: 0000000000000000 R09: 0000000000000000
[ 1236.040984] R10: 0000000000000000 R11: 0000000000000202 R12: 00007f6b0c2b6e80
[ 1236.049793] R13: 000055c3ea345110 R14: 0000000000000007 R15: 00007f6b0c246480
[ 1236.058606]
[ 1236.061876] \x0aShowing all locks held in the system:
[ 1236.070412] 1 lock held by khungtaskd/185:
[ 1236.075805] #0: ffffffff9eece020 (rcu_read_lock){....}-{1:3}, at: rcu_lock_acquire.constprop.0+0x7/0x30
[ 1236.087291] 4 locks held by python3/3024:
[ 1236.092585] #0: ff110001116e13f8 (sb_writers#4){.+.+}-{0:0}, at: ksys_write+0xff/0x200
[ 1236.102378] #1: ff1100013ecda088 (&of->mutex#2){+.+.}-{4:4}, at: kernfs_fop_write_iter+0x247/0x510
[ 1236.113345] #2: ff110001223fb0f0 (kn->active#167){.+.+}-{0:0}, at: kernfs_fop_write_iter+0x29e/0x510
[ 1236.124502] #3: ff11000122471cb8 (&dev->lock){+.+.}-{4:4}, at: threaded_store+0x132/0x220
[ 1236.134597] 4 locks held by python3/4997:
[ 1236.139893] #0: ff110001116e13f8 (sb_writers#4){.+.+}-{0:0}, at: ksys_write+0xff/0x200
[ 1236.149685] #1: ff1100018186fa88 (&of->mutex#2){+.+.}-{4:4}, at: kernfs_fop_write_iter+0x247/0x510
[ 1236.160647] #2: ff110001223fb0f0 (kn->active#167){.+.+}-{0:0}, at: kernfs_fop_write_iter+0x29e/0x510
[ 1236.171808] #3: ff11000122471cb8 (&dev->lock){+.+.}-{4:4}, at: threaded_store+0x132/0x220
[ 1236.181900]
[ 1236.184367] =============================================\x0a