INFO: task syz-executor:4411 blocked for more than 143 seconds. Not tainted 6.1.143-syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz-executor state:D stack:0 pid:4411 ppid:1 flags:0x00000001 Call trace: __switch_to+0x2f4/0x568 arch/arm64/kernel/process.c:555 context_switch kernel/sched/core.c:5244 [inline] __schedule+0xdd4/0x1b2c kernel/sched/core.c:6561 schedule+0xc4/0x170 kernel/sched/core.c:6637 io_schedule+0x84/0x154 kernel/sched/core.c:8797 folio_wait_bit_common+0x56c/0x9c4 mm/filemap.c:1324 __folio_lock mm/filemap.c:1687 [inline] folio_lock include/linux/pagemap.h:974 [inline] __filemap_get_folio+0x4ec/0xab0 mm/filemap.c:1959 truncate_inode_pages_range+0x34c/0xd20 mm/truncate.c:377 truncate_inode_pages mm/truncate.c:451 [inline] truncate_inode_pages_final+0x8c/0xbc mm/truncate.c:486 evict+0x3d4/0x810 fs/inode.c:707 dispose_list fs/inode.c:738 [inline] evict_inodes+0x64c/0x6e4 fs/inode.c:792 generic_shutdown_super+0x9c/0x324 fs/super.c:480 kill_block_super+0x70/0xdc fs/super.c:1470 deactivate_locked_super+0xac/0x124 fs/super.c:332 deactivate_super+0xe8/0x108 fs/super.c:363 cleanup_mnt+0x37c/0x404 fs/namespace.c:1182 __cleanup_mnt+0x20/0x30 fs/namespace.c:1189 task_work_run+0x1ec/0x270 kernel/task_work.c:203 resume_user_mode_work include/linux/resume_user_mode.h:49 [inline] do_notify_resume+0x1f70/0x2b0c arch/arm64/kernel/signal.c:1137 prepare_exit_to_user_mode arch/arm64/kernel/entry-common.c:137 [inline] exit_to_user_mode arch/arm64/kernel/entry-common.c:142 [inline] el0_svc+0x98/0x138 arch/arm64/kernel/entry-common.c:638 el0t_64_sync_handler+0x84/0xf0 arch/arm64/kernel/entry-common.c:655 el0t_64_sync+0x18c/0x190 arch/arm64/kernel/entry.S:585 Showing all locks held in the system: 1 lock held by rcu_tasks_kthre/12: #0: ffff800015287770 (rcu_tasks.tasks_gp_mutex){+.+.}-{3:3}, at: rcu_tasks_one_gp+0x40/0xbb4 kernel/rcu/tasks.h:517 1 lock held by rcu_tasks_trace/13: #0: ffff800015287f90 (rcu_tasks_trace.tasks_gp_mutex){+.+.}-{3:3}, at: rcu_tasks_one_gp+0x40/0xbb4 kernel/rcu/tasks.h:517 3 locks held by kworker/1:1/24: #0: ffff0000c0020938 ((wq_completion)events){+.+.}-{0:0}, at: process_one_work+0x6b4/0x13a8 kernel/workqueue.c:2265 #1: ffff80001c957c20 ((work_completion)(&data->fib_event_work)){+.+.}-{0:0}, at: process_one_work+0x6f8/0x13a8 kernel/workqueue.c:2267 #2: ffff0000d4a0d240 (&data->fib_lock){+.+.}-{3:3}, at: nsim_fib_event_work+0x1c8/0x263c drivers/net/netdevsim/fib.c:1491 1 lock held by khungtaskd/28: #0: ffff800015286e00 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0xc/0x44 include/linux/rcupdate.h:349 2 locks held by kworker/u4:3/185: 2 locks held by getty/4070: #0: ffff0000d88b8098 (&tty->ldisc_sem){++++}-{0:0}, at: ldsem_down_read+0x3c/0x4c drivers/tty/tty_ldsem.c:340 #1: ffff80001ce762f0 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x2ec/0xf9c drivers/tty/n_tty.c:2198 1 lock held by syz-executor/4411: #0: ffff0000e10360e0 (&type->s_umount_key#51){+.+.}-{3:3}, at: deactivate_super+0xe0/0x108 fs/super.c:362 1 lock held by syz-executor/4475: #0: ffff0000d936e0e0 (&type->s_umount_key#51){+.+.}-{3:3}, at: deactivate_super+0xe0/0x108 fs/super.c:362 1 lock held by syz-executor/4497: #0: ffff0000cd1aa0e0 (&type->s_umount_key#51){+.+.}-{3:3}, at: deactivate_super+0xe0/0x108 fs/super.c:362 1 lock held by syz-executor/4517: #0: ffff0000d59740e0 (&type->s_umount_key#51){+.+.}-{3:3}, at: deactivate_super+0xe0/0x108 fs/super.c:362 1 lock held by syz-executor/4544: #0: ffff0000d5c160e0 (&type->s_umount_key#51){+.+.}-{3:3}, at: deactivate_super+0xe0/0x108 fs/super.c:362 1 lock held by syz-executor/4575: #0: ffff0000dde8c0e0 (&type->s_umount_key#51){+.+.}-{3:3}, at: deactivate_super+0xe0/0x108 fs/super.c:362 1 lock held by syz-executor/4605: #0: ffff0000c6e580e0 (&type->s_umount_key#51){+.+.}-{3:3}, at: deactivate_super+0xe0/0x108 fs/super.c:362 1 lock held by syz-executor/4636: #0: ffff0000cb10a0e0 (&type->s_umount_key#51){+.+.}-{3:3}, at: deactivate_super+0xe0/0x108 fs/super.c:362 2 locks held by syz.8.32/4701: #0: ffff0000d35b4210 (&sig->cred_guard_mutex){+.+.}-{3:3}, at: prepare_bprm_creds fs/exec.c:1500 [inline] #0: ffff0000d35b4210 (&sig->cred_guard_mutex){+.+.}-{3:3}, at: bprm_execve+0xb4/0x154c fs/exec.c:1842 #1: ffff0000e97634a8 (mapping.invalidate_lock#3){.+.+}-{3:3}, at: filemap_invalidate_lock_shared include/linux/fs.h:813 [inline] #1: ffff0000e97634a8 (mapping.invalidate_lock#3){.+.+}-{3:3}, at: filemap_update_page mm/filemap.c:2542 [inline] #1: ffff0000e97634a8 (mapping.invalidate_lock#3){.+.+}-{3:3}, at: filemap_get_pages mm/filemap.c:2689 [inline] #1: ffff0000e97634a8 (mapping.invalidate_lock#3){.+.+}-{3:3}, at: filemap_read+0x684/0x1fd8 mm/filemap.c:2759 =============================================