SELinux: security_context_str_to_sid (system_u) failed with errno=-22 I/O error, dev loop6, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2 loop6: detected capacity change from 0 to 264192 tmpfs: Bad value for 'gid' 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. 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:28952 pid:8 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 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/1:0H: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:29760 pid:21 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 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 INFO: task kblockd:30 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:kblockd state:I stack:30176 pid:30 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/188: 2 locks held by syz-executor/6643: ============================================= SELinux: unrecognized netlink message: protocol=0 nlmsg_type=1017 sclass=netlink_route_socket pid=6649 comm=syz-executor.4 SELinux: unrecognized netlink message: protocol=0 nlmsg_type=1017 sclass=netlink_route_socket pid=6652 comm=syz-executor.4 loop0: detected capacity change from 0 to 512 loop7: detected capacity change from 0 to 144 loop6: detected capacity change from 0 to 128 SELinux: security_context_str_to_sid (system_u) failed with errno=-22 EXT4-fs (loop7): mounted filesystem without journal. Quota mode: none. ext4 filesystem being mounted at /syzkaller-testdir662892063/syzkaller.QcgVOo/1/mnt supports timestamps until 2038 (0x7fffffff) EXT4-fs (loop0): mounted filesystem without journal. Quota mode: none. loop5: detected capacity change from 0 to 128 loop6: detected capacity change from 0 to 264192 tmpfs: Bad value for 'gid' SELinux: security_context_str_to_sid (system_u) failed with errno=-22 loop5: detected capacity change from 0 to 264192 tmpfs: Bad value for 'gid' EXT4-fs (loop7): unmounting filesystem. EXT4-fs (loop0): unmounting filesystem. Bluetooth: hci2: command 0x0406 tx timeout