request_module: modprobe net-pf-3 cannot be processed, kmod busy with 50 threads for more than 5 seconds now INFO: task syz-executor.0:14862 blocked for more than 140 seconds. Not tainted 4.14.115+ #64 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. syz-executor.0 D28904 14862 1854 0x80000000 Call Trace: schedule+0x92/0x1c0 kernel/sched/core.c:3498 schedule_timeout+0x736/0xe80 kernel/time/timer.c:1721 do_wait_for_common kernel/sched/completion.c:91 [inline] __wait_for_common kernel/sched/completion.c:112 [inline] wait_for_common+0x29c/0x470 kernel/sched/completion.c:123 exit_aio+0x283/0x300 fs/aio.c:919 __mmput kernel/fork.c:926 [inline] mmput kernel/fork.c:950 [inline] mmput+0x80/0x350 kernel/fork.c:945 exit_mm kernel/exit.c:545 [inline] do_exit+0x84e/0x2960 kernel/exit.c:861 INFO: task syz-executor.3:14897 blocked for more than 140 seconds. Not tainted 4.14.115+ #64 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. syz-executor.3 D28864 14897 10151 0x80000000 Call Trace: __request_module: 12487 callbacks suppressed request_module: kmod_concurrent_max (0) close to 0 (max_modprobes: 50), for module net-pf-3, throttling... request_module: kmod_concurrent_max (0) close to 0 (max_modprobes: 50), for module net-pf-3, throttling... __request_module: 12570 callbacks suppressed request_module: modprobe net-pf-3 cannot be processed, kmod busy with 50 threads for more than 5 seconds now request_module: kmod_concurrent_max (0) close to 0 (max_modprobes: 50), for module net-pf-3, throttling... request_module: modprobe net-pf-3 cannot be processed, kmod busy with 50 threads for more than 5 seconds now request_module: modprobe net-pf-3 cannot be processed, kmod busy with 50 threads for more than 5 seconds now request_module: modprobe net-pf-3 cannot be processed, kmod busy with 50 threads for more than 5 seconds now request_module: modprobe net-pf-3 cannot be processed, kmod busy with 50 threads for more than 5 seconds now request_module: modprobe net-pf-3 cannot be processed, kmod busy with 50 threads for more than 5 seconds now request_module: modprobe net-pf-3 cannot be processed, kmod busy with 50 threads for more than 5 seconds now request_module: modprobe net-pf-3 cannot be processed, kmod busy with 50 threads for more than 5 seconds now request_module: modprobe net-pf-3 cannot be processed, kmod busy with 50 threads for more than 5 seconds now request_module: modprobe net-pf-3 cannot be processed, kmod busy with 50 threads for more than 5 seconds now request_module: kmod_concurrent_max (0) close to 0 (max_modprobes: 50), for module net-pf-3, throttling... request_module: kmod_concurrent_max (0) close to 0 (max_modprobes: 50), for module net-pf-3, throttling... request_module: kmod_concurrent_max (0) close to 0 (max_modprobes: 50), for module net-pf-3, throttling... request_module: kmod_concurrent_max (0) close to 0 (max_modprobes: 50), for module net-pf-3, throttling... request_module: kmod_concurrent_max (0) close to 0 (max_modprobes: 50), for module net-pf-3, throttling... request_module: kmod_concurrent_max (0) close to 0 (max_modprobes: 50), for module net-pf-3, throttling... request_module: kmod_concurrent_max (0) close to 0 (max_modprobes: 50), for module net-pf-3, throttling... schedule+0x92/0x1c0 kernel/sched/core.c:3498 __request_module: 10560 callbacks suppressed request_module: kmod_concurrent_max (0) close to 0 (max_modprobes: 50), for module net-pf-3, throttling... request_module: kmod_concurrent_max (0) close to 0 (max_modprobes: 50), for module net-pf-3, throttling... request_module: kmod_concurrent_max (0) close to 0 (max_modprobes: 50), for module net-pf-3, throttling... request_module: kmod_concurrent_max (0) close to 0 (max_modprobes: 50), for module net-pf-3, throttling... request_module: kmod_concurrent_max (0) close to 0 (max_modprobes: 50), for module net-pf-3, throttling... request_module: kmod_concurrent_max (0) close to 0 (max_modprobes: 50), for module net-pf-3, throttling... request_module: kmod_concurrent_max (0) close to 0 (max_modprobes: 50), for module net-pf-3, throttling... request_module: kmod_concurrent_max (0) close to 0 (max_modprobes: 50), for module net-pf-3, throttling... __request_module: 10631 callbacks suppressed request_module: modprobe net-pf-3 cannot be processed, kmod busy with 50 threads for more than 5 seconds now request_module: modprobe net-pf-3 cannot be processed, kmod busy with 50 threads for more than 5 seconds now request_module: modprobe net-pf-3 cannot be processed, kmod busy with 50 threads for more than 5 seconds now request_module: modprobe net-pf-3 cannot be processed, kmod busy with 50 threads for more than 5 seconds now request_module: modprobe net-pf-3 cannot be processed, kmod busy with 50 threads for more than 5 seconds now request_module: modprobe net-pf-3 cannot be processed, kmod busy with 50 threads for more than 5 seconds now request_module: modprobe net-pf-3 cannot be processed, kmod busy with 50 threads for more than 5 seconds now request_module: modprobe net-pf-3 cannot be processed, kmod busy with 50 threads for more than 5 seconds now request_module: modprobe net-pf-3 cannot be processed, kmod busy with 50 threads for more than 5 seconds now request_module: modprobe net-pf-3 cannot be processed, kmod busy with 50 threads for more than 5 seconds now request_module: kmod_concurrent_max (0) close to 0 (max_modprobes: 50), for module net-pf-3, throttling... request_module: kmod_concurrent_max (0) close to 0 (max_modprobes: 50), for module net-pf-3, throttling... schedule_timeout+0x736/0xe80 kernel/time/timer.c:1721