INFO: task syz-fuzzer:2856 blocked for more than 430 seconds. Tainted: G W 6.2.0-rc1-syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz-fuzzer state:D stack:0 pid:2856 ppid:2854 flags:0x00000000 Call Trace: [] context_switch kernel/sched/core.c:5244 [inline] [] __schedule+0x644/0x1274 kernel/sched/core.c:6555 [] schedule+0x7a/0x102 kernel/sched/core.c:6631 [] rwsem_down_read_slowpath kernel/locking/rwsem.c:1095 [inline] [] __down_read_common+0x4e8/0x80c kernel/locking/rwsem.c:1260 [] __down_read kernel/locking/rwsem.c:1269 [inline] [] down_read+0x48/0x54 kernel/locking/rwsem.c:1511 [] mmap_read_lock include/linux/mmap_lock.h:117 [inline] [] do_page_fault+0x2b0/0xae8 arch/riscv/mm/fault.c:282 [] ret_from_exception+0x0/0x1a arch/riscv/kernel/entry.S:249 Showing all locks held in the system: 3 locks held by kworker/u4:0/9: 1 lock held by rcu_tasks_kthre/12: #0: ffffffff8517bdd0 (rcu_tasks.tasks_gp_mutex){+.+.}-{3:3}, at: rcu_tasks_one_gp+0x34/0x6fe kernel/rcu/tasks.h:507 1 lock held by rcu_tasks_trace/13: #0: ffffffff8517bb30 (rcu_tasks_trace.tasks_gp_mutex){+.+.}-{3:3}, at: rcu_tasks_one_gp+0x34/0x6fe kernel/rcu/tasks.h:507 1 lock held by khungtaskd/28: #0: ffffffff8517b960 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x3c/0x20e kernel/locking/lockdep.c:6496 1 lock held by hwrng/675: #0: ffffffff854a12a8 (reading_mutex){+.+.}-{3:3}, at: hwrng_fillfn+0xd0/0x2c8 drivers/char/hw_random/core.c:505 2 locks held by getty/2796: #0: ff60000012478098 (&tty->ldisc_sem){++++}-{0:0}, at: ldsem_down_read+0x3a/0x46 drivers/tty/tty_ldsem.c:340 #1: ff2000000026b2f0 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0xb9c/0xd0c drivers/tty/n_tty.c:2177 1 lock held by syz-fuzzer/2856: #0: ff600000127bd688 (&mm->mmap_lock){++++}-{3:3}, at: mmap_read_lock include/linux/mmap_lock.h:117 [inline] #0: ff600000127bd688 (&mm->mmap_lock){++++}-{3:3}, at: do_page_fault+0x2b0/0xae8 arch/riscv/mm/fault.c:282 2 locks held by syz-fuzzer/2857: 1 lock held by syz-fuzzer/2862: 2 locks held by kworker/u4:2/2896: #0: ff60000008229138 ((wq_completion)events_unbound){+.+.}-{0:0}, at: set_work_data kernel/workqueue.c:635 [inline] #0: ff60000008229138 ((wq_completion)events_unbound){+.+.}-{0:0}, at: set_work_pool_and_clear_pending kernel/workqueue.c:663 [inline] #0: ff60000008229138 ((wq_completion)events_unbound){+.+.}-{0:0}, at: process_one_work+0x510/0x102e kernel/workqueue.c:2260 #1: ff20000004937cf0 ((work_completion)(&(&kfence_timer)->work)){+.+.}-{0:0}, at: set_work_data kernel/workqueue.c:635 [inline] #1: ff20000004937cf0 ((work_completion)(&(&kfence_timer)->work)){+.+.}-{0:0}, at: set_work_pool_and_clear_pending kernel/workqueue.c:663 [inline] #1: ff20000004937cf0 ((work_completion)(&(&kfence_timer)->work)){+.+.}-{0:0}, at: process_one_work+0x510/0x102e kernel/workqueue.c:2260 =============================================