INFO: task syz.4.12:4458 blocked for more than 143 seconds. Not tainted 6.1.147-syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz.4.12 state:D stack:0 pid:4458 ppid:4313 flags:0x00000009 Call trace: __switch_to+0x2f4/0x568 arch/arm64/kernel/process.c:555 context_switch kernel/sched/core.c:5244 [inline] __schedule+0xddc/0x1b18 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_wait_bit+0x30/0x40 mm/filemap.c:1468 folio_wait_locked include/linux/pagemap.h:1057 [inline] gfs2_jhead_process_page+0x154/0x5a8 fs/gfs2/lops.c:476 gfs2_find_jhead+0x9f4/0xb30 fs/gfs2/lops.c:594 gfs2_make_fs_rw+0x19c/0x44c fs/gfs2/super.c:140 gfs2_fill_super+0x1380/0x19ec fs/gfs2/ops_fstype.c:1271 get_tree_bdev+0x358/0x544 fs/super.c:1366 gfs2_get_tree+0x54/0x1b4 fs/gfs2/ops_fstype.c:1327 vfs_get_tree+0x90/0x274 fs/super.c:1573 do_new_mount+0x228/0x810 fs/namespace.c:3063 path_mount+0x5b4/0xe78 fs/namespace.c:3393 do_mount fs/namespace.c:3406 [inline] __do_sys_mount fs/namespace.c:3614 [inline] __se_sys_mount fs/namespace.c:3591 [inline] __arm64_sys_mount+0x49c/0x584 fs/namespace.c:3591 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline] invoke_syscall+0x98/0x2bc arch/arm64/kernel/syscall.c:52 el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:140 do_el0_svc+0x58/0x13c arch/arm64/kernel/syscall.c:204 el0_svc+0x58/0x138 arch/arm64/kernel/entry-common.c:637 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: 2 locks held by kworker/0:0/7: #0: ffff0000c0020938 ( (wq_completion)events ){+.+.}-{0:0}, at: process_one_work+0x6b4/0x13a8 kernel/workqueue.c:2265 #1: ffff80001c837c20 ((work_completion)(&pwq->unbound_release_work)){+.+.}-{0:0}, at: process_one_work+0x6f8/0x13a8 kernel/workqueue.c:2267 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 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 getty/4077: #0: ffff0000d638b098 (&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 3 locks held by kworker/u4:8/4427: 1 lock held by syz.4.12/4458: #0: ffff0000d43fa0e0 (&type->s_umount_key#50/1){+.+.}-{3:3}, at: alloc_super+0x1a4/0x804 fs/super.c:228 1 lock held by syz.6.242/5498: #0: ffff0000d43fa0e0 (&type->s_umount_key#101){++++}-{3:3}, at: iterate_supers+0xa8/0x1d0 fs/super.c:755 1 lock held by syz.3.317/5888: #0: ffff0000d43fa0e0 (&type->s_umount_key#101){++++}-{3:3}, at: iterate_supers+0xa8/0x1d0 fs/super.c:755 2 locks held by kworker/u4:20/6639: 2 locks held by udevd/6886: #0: ffff00019f6e2198 (&rq->__lock){-.-.}-{2:2}, at: raw_spin_rq_lock_nested kernel/sched/core.c:537 [inline] #0: ffff00019f6e2198 (&rq->__lock){-.-.}-{2:2}, at: raw_spin_rq_lock kernel/sched/sched.h:1355 [inline] #0: ffff00019f6e2198 (&rq->__lock){-.-.}-{2:2}, at: rq_lock kernel/sched/sched.h:1645 [inline] #0: ffff00019f6e2198 (&rq->__lock){-.-.}-{2:2}, at: __schedule+0x2b8/0x1b18 kernel/sched/core.c:6477 #1: ffff0000de295af0 (&type->i_mutex_dir_key/1){+.+.}-{3:3}, at: inode_lock_nested include/linux/fs.h:793 [inline] #1: ffff0000de295af0 (&type->i_mutex_dir_key/1){+.+.}-{3:3}, at: do_unlinkat+0x18c/0x4e8 fs/namei.c:4373 2 locks held by udevd/6887: 1 lock held by syz.2.648/7375: =============================================