INFO: task syz-executor.0:19650 blocked for more than 430 seconds. Not tainted 6.4.0-syzkaller-g533925cb7604 #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz-executor.0 state:D stack:0 pid:19650 ppid:3081 flags:0x00000004 Call Trace: [] context_switch kernel/sched/core.c:5381 [inline] [] __schedule+0x682/0x16a6 kernel/sched/core.c:6710 [] schedule+0x7a/0x100 kernel/sched/core.c:6786 [] schedule_timeout+0x1ae/0x20a kernel/time/timer.c:2143 [] do_wait_for_common kernel/sched/completion.c:85 [inline] [] __wait_for_common+0x186/0x308 kernel/sched/completion.c:106 [] wait_for_common kernel/sched/completion.c:117 [inline] [] wait_for_completion+0x1a/0x22 kernel/sched/completion.c:138 [] init_module_from_file+0x23a/0x446 kernel/module/main.c:3125 [] __do_sys_finit_module kernel/module/main.c:3171 [inline] [] sys_finit_module+0x8a/0xf4 kernel/module/main.c:3154 [] syscall_handler+0xfa/0x148 arch/riscv/include/asm/syscall.h:90 [] do_trap_ecall_u+0xea/0xec arch/riscv/kernel/traps.c:302 [] ret_from_exception+0x0/0x64 arch/riscv/kernel/entry.S:102 Showing all locks held in the system: 1 lock held by rcu_tasks_kthre/13: #0: ffffffff8517cfd0 (rcu_tasks.tasks_gp_mutex){+.+.}-{3:3}, at: rcu_tasks_one_gp+0x34/0x712 kernel/rcu/tasks.h:522 1 lock held by rcu_tasks_trace/14: #0: ffffffff8517cd30 (rcu_tasks_trace.tasks_gp_mutex){+.+.}-{3:3}, at: rcu_tasks_one_gp+0x34/0x712 kernel/rcu/tasks.h:522 1 lock held by khungtaskd/29: #0: ffffffff8517d2a0 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x40/0x1f6 kernel/locking/lockdep.c:6617 1 lock held by syslogd/2685: 2 locks held by getty/2838: #0: ff6000000baf3098 (&tty->ldisc_sem){++++}-{0:0}, at: ldsem_down_read+0x3a/0x46 drivers/tty/tty_ldsem.c:340 #1: ff2000000007d2f0 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0xb9c/0xd0c drivers/tty/n_tty.c:2176 1 lock held by syz-executor.0/20422: =============================================