INFO: task syz-executor.1:3382 blocked for more than 140 seconds. Not tainted 4.14.115+ #64 [10210] 0 10210 18146 8762 24 3 0 0 syz-executor.4 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [10212] 0 10212 18113 8760 24 3 0 0 syz-executor.4 [10213] 0 10213 18113 8760 24 3 0 0 syz-executor.4 syz-executor.1 D28576 3382 1867 0x80000006 Call Trace: [10214] 0 10214 18113 8760 24 3 0 0 syz-executor.4 [10215] 0 10215 18113 8760 24 3 0 0 syz-executor.4 [10216] 0 10216 18113 8760 24 3 0 0 syz-executor.4 schedule+0x92/0x1c0 kernel/sched/core.c:3498 schedule_timeout+0x736/0xe80 kernel/time/timer.c:1721 [10217] 0 10217 18113 8760 24 3 0 0 syz-executor.4 [10218] 0 10218 18113 8760 24 3 0 0 syz-executor.4 [10219] 0 10219 18113 8760 24 3 0 0 syz-executor.4 [10221] 0 10221 18113 8760 24 3 0 0 syz-executor.4 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 __wait_rcu_gp+0x235/0x2f0 kernel/rcu/update.c:413 [10222] 0 10222 18113 8760 24 3 0 0 syz-executor.4 [10224] 0 10224 18113 8760 24 3 0 0 syz-executor.4 [10225] 0 10225 18146 8762 24 3 0 0 syz-executor.4 synchronize_rcu.part.0+0xc1/0xd0 kernel/rcu/tree_plugin.h:764 [10226] 0 10226 18113 8760 24 3 0 0 syz-executor.4 [10228] 0 10228 18113 8760 24 3 0 0 syz-executor.4 [10229] 0 10229 18113 8760 24 3 0 0 syz-executor.4 evdev_release+0xa2/0x1a0 drivers/input/evdev.c:475 __fput+0x25e/0x700 fs/file_table.c:210 task_work_run+0x118/0x190 kernel/task_work.c:113 exit_task_work include/linux/task_work.h:22 [inline] do_exit+0x903/0x2960 kernel/exit.c:874 [10230] 0 10230 18113 8760 24 3 0 0 syz-executor.4 [10231] 0 10231 18113 8760 24 3 0 0 syz-executor.4 [10232] 0 10232 18113 8760 24 3 0 0 syz-executor.4 [10233] 0 10233 18113 8760 24 3 0 0 syz-executor.4 [10235] 0 10235 18113 8760 24 3 0 0 syz-executor.4 [10236] 0 10236 18113 8760 24 3 0 0 syz-executor.4 [10237] 0 10237 18113 8760 24 3 0 0 syz-executor.4 [10238] 0 10238 18146 8762 24 3 0 0 syz-executor.4 [10239] 0 10239 18113 8760 24 3 0 0 syz-executor.4 [10240] 0 10240 18113 8760 24 3 0 0 syz-executor.4 [10241] 0 10241 18146 8762 24 3 0 0 syz-executor.4 [10242] 0 10242 18113 8760 24 3 0 0 syz-executor.4 INFO: task kworker/1:0:14722 blocked for more than 140 seconds. [10243] 0 10243 18113 8760 24 3 0 0 syz-executor.4 [10244] 0 10244 18113 8760 24 3 0 0 syz-executor.4 Not tainted 4.14.115+ #64 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. kworker/1:0 D27736 14722 2 0x80000000 Workqueue: events xfrm_state_gc_task [10245] 0 10245 18113 8760 24 3 0 0 syz-executor.4 Call Trace: [10246] 0 10246 18146 8762 24 3 0 0 syz-executor.4 schedule+0x92/0x1c0 kernel/sched/core.c:3498 [10247] 0 10247 18113 8760 24 3 0 0 syz-executor.4 [10248] 0 10248 18113 8760 24 3 0 0 syz-executor.4 [10249] 0 10249 18113 8760 24 3 0 0 syz-executor.4 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 [10250] 0 10250 18113 8760 24 3 0 0 syz-executor.4 [10251] 0 10251 18113 8760 24 3 0 0 syz-executor.4