audit: type=1326 audit(1664868114.148:8): auid=0 uid=0 gid=0 ses=4 subj=system_u:system_r:kernel_t:s0 pid=6825 comm="syz-executor.7" exe="/syz-executor.7" sig=9 arch=c000003e syscall=231 compat=0 ip=0x7fe865fd4b19 code=0x0
mmap: syz-executor.3 (7009) uses deprecated remap_file_pages() syscall. See Documentation/mm/remap_file_pages.rst.
INFO: task rcu_gp:3 blocked for more than 143 seconds.
Not tainted 6.0.0-rc7-next-20220930 #1
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:rcu_gp state:I stack:30328 pid:3 ppid:2 flags:0x00004000
Call Trace:
__schedule+0x893/0x2470
schedule+0xda/0x1b0
rescuer_thread+0x851/0xdb0
kthread+0x2ed/0x3a0
ret_from_fork+0x22/0x30
INFO: task rcu_par_gp:4 blocked for more than 143 seconds.
Not tainted 6.0.0-rc7-next-20220930 #1
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
Bluetooth: hci2: command 0x0406 tx timeout
task:rcu_par_gp state:I stack:30944 pid:4 ppid:2 flags:0x00004000
Call Trace:
__schedule+0x893/0x2470
schedule+0xda/0x1b0
rescuer_thread+0x851/0xdb0
kthread+0x2ed/0x3a0
ret_from_fork+0x22/0x30
INFO: task slub_flushwq:5 blocked for more than 143 seconds.
Not tainted 6.0.0-rc7-next-20220930 #1
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:slub_flushwq state:I stack:30944 pid:5 ppid:2 flags:0x00004000
Call Trace:
__schedule+0x893/0x2470
schedule+0xda/0x1b0
rescuer_thread+0x851/0xdb0
kthread+0x2ed/0x3a0
ret_from_fork+0x22/0x30
INFO: task netns:6 blocked for more than 143 seconds.
Not tainted 6.0.0-rc7-next-20220930 #1
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:netns state:I stack:30944 pid:6 ppid:2 flags:0x00004000
Call Trace:
__schedule+0x893/0x2470
schedule+0xda/0x1b0
rescuer_thread+0x851/0xdb0
kthread+0x2ed/0x3a0
ret_from_fork+0x22/0x30
INFO: task kworker/0:0H:8 blocked for more than 143 seconds.
Not tainted 6.0.0-rc7-next-20220930 #1
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/0:0H state:I stack:29760 pid:8 ppid:2 flags:0x00004000
Workqueue: 0x0 (events_highpri)
Call Trace:
__schedule+0x893/0x2470
schedule+0xda/0x1b0
worker_thread+0x15f/0x1260
kthread+0x2ed/0x3a0
ret_from_fork+0x22/0x30
INFO: task mm_percpu_wq:10 blocked for more than 143 seconds.
Not tainted 6.0.0-rc7-next-20220930 #1
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:mm_percpu_wq state:I stack:30944 pid:10 ppid:2 flags:0x00004000
Call Trace:
__schedule+0x893/0x2470
schedule+0xda/0x1b0
rescuer_thread+0x851/0xdb0
kthread+0x2ed/0x3a0
ret_from_fork+0x22/0x30
INFO: task rcu_tasks_kthre:11 blocked for more than 143 seconds.
Not tainted 6.0.0-rc7-next-20220930 #1
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:rcu_tasks_kthre state:I stack:29272 pid:11 ppid:2 flags:0x00004000
Call Trace:
__schedule+0x893/0x2470
schedule+0xda/0x1b0
rcu_tasks_one_gp+0x3db/0xc10
rcu_tasks_kthread+0x80/0xa0
kthread+0x2ed/0x3a0
ret_from_fork+0x22/0x30
INFO: task kworker/1:0:20 blocked for more than 143 seconds.
Not tainted 6.0.0-rc7-next-20220930 #1
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/1:0 state:I stack:29256 pid:20 ppid:2 flags:0x00004000
Workqueue: 0x0 (mm_percpu_wq)
Call Trace:
__schedule+0x893/0x2470
schedule+0xda/0x1b0
worker_thread+0x15f/0x1260
kthread+0x2ed/0x3a0
ret_from_fork+0x22/0x30
INFO: task kworker/1:0H:21 blocked for more than 143 seconds.
Not tainted 6.0.0-rc7-next-20220930 #1
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/1:0H state:I stack:29256 pid:21 ppid:2 flags:0x00004000
Workqueue: 0x0 (kblockd)
Call Trace:
__schedule+0x893/0x2470
schedule+0xda/0x1b0
worker_thread+0x15f/0x1260
kthread+0x2ed/0x3a0
ret_from_fork+0x22/0x30
INFO: task inet_frag_wq:23 blocked for more than 143 seconds.
Not tainted 6.0.0-rc7-next-20220930 #1
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:inet_frag_wq state:I stack:30704 pid:23 ppid:2 flags:0x00004000
Call Trace:
__schedule+0x893/0x2470
schedule+0xda/0x1b0
rescuer_thread+0x851/0xdb0
kthread+0x2ed/0x3a0
ret_from_fork+0x22/0x30
Showing all locks held in the system:
1 lock held by rcu_tasks_kthre/11:
#0: ffffffff85406850 (rcu_tasks.tasks_gp_mutex){+.+.}-{3:3}, at: rcu_tasks_one_gp+0x26/0xc10
1 lock held by khungtaskd/25:
#0: ffffffff85407320 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x53/0x260
1 lock held by in:imklog/192:
2 locks held by syz-executor/7020:
=============================================
audit: type=1326 audit(1664868129.722:9): auid=0 uid=0 gid=0 ses=4 subj=system_u:system_r:kernel_t:s0 pid=7026 comm="syz-executor.7" exe="/syz-executor.7" sig=9 arch=c000003e syscall=231 compat=0 ip=0x7fe865fd4b19 code=0x0