INFO: task kworker/u4:11:5405 blocked for more than 144 seconds. Not tainted 6.3.0-rc7-next-20230421-syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/u4:11 state:D stack:27000 pid:5405 ppid:2 flags:0x00004000 Workqueue: events_unbound io_ring_exit_work Call Trace: context_switch kernel/sched/core.c:5334 [inline] __schedule+0x1d23/0x5650 kernel/sched/core.c:6659 schedule+0xde/0x1a0 kernel/sched/core.c:6735 schedule_timeout+0x276/0x2b0 kernel/time/timer.c:2143 do_wait_for_common kernel/sched/completion.c:85 [inline] __wait_for_common+0x1ce/0x5c0 kernel/sched/completion.c:106 io_ring_exit_work+0x51d/0x14b0 io_uring/io_uring.c:3084 process_one_work+0x99a/0x15e0 kernel/workqueue.c:2405 worker_thread+0x67d/0x10c0 kernel/workqueue.c:2552 kthread+0x33e/0x440 kernel/kthread.c:379 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:308 INFO: task syz-executor.3:5979 blocked for more than 148 seconds. Not tainted 6.3.0-rc7-next-20230421-syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz-executor.3 state:D stack:24736 pid:5979 ppid:5974 flags:0x00004004 Call Trace: context_switch kernel/sched/core.c:5334 [inline] __schedule+0x1d23/0x5650 kernel/sched/core.c:6659 schedule+0xde/0x1a0 kernel/sched/core.c:6735 shmem_fault+0x740/0x8c0 mm/shmem.c:2161 __do_fault+0x107/0x600 mm/memory.c:4180 do_read_fault mm/memory.c:4534 [inline] do_fault mm/memory.c:4663 [inline] do_pte_missing mm/memory.c:3651 [inline] handle_pte_fault mm/memory.c:4951 [inline] __handle_mm_fault+0x24a1/0x3b80 mm/memory.c:5093 handle_mm_fault+0x2af/0x9f0 mm/memory.c:5247 faultin_page mm/gup.c:925 [inline] __get_user_pages+0x614/0x10e0 mm/gup.c:1147 __get_user_pages_locked mm/gup.c:1381 [inline] get_dump_page+0x103/0x210 mm/gup.c:1897 dump_user_range+0x3e6/0x710 fs/coredump.c:911 elf_core_dump+0x277e/0x36e0 fs/binfmt_elf.c:2142 do_coredump+0x2ed0/0x3fb0 fs/coredump.c:762 get_signal+0x1bff/0x25b0 kernel/signal.c:2860 arch_do_signal_or_restart+0x79/0x5c0 arch/x86/kernel/signal.c:307 exit_to_user_mode_loop kernel/entry/common.c:168 [inline] exit_to_user_mode_prepare+0x11f/0x240 kernel/entry/common.c:204 irqentry_exit_to_user_mode+0x9/0x40 kernel/entry/common.c:310