INFO: task syz-executor.0:5917 blocked for more than 143 seconds. Not tainted 6.4.0-rc6-syzkaller-gb6dad5178cea #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz-executor.0 state:D stack:0 pid:5917 ppid:5815 flags:0x00000009 Call trace: __switch_to+0x320/0x754 arch/arm64/kernel/process.c:556 context_switch kernel/sched/core.c:5343 [inline] __schedule+0x1368/0x23b8 kernel/sched/core.c:6669 schedule+0xc4/0x170 kernel/sched/core.c:6745 io_schedule+0x8c/0x12c kernel/sched/core.c:8979 folio_wait_bit_common+0x65c/0xb90 mm/filemap.c:1301 folio_wait_bit+0x30/0x40 mm/filemap.c:1445 folio_wait_locked include/linux/pagemap.h:1028 [inline] gfs2_jhead_process_page+0x150/0x5c0 fs/gfs2/lops.c:476 gfs2_find_jhead+0x70c/0xbe0 fs/gfs2/lops.c:583 check_journal_clean+0x188/0x2fc fs/gfs2/util.c:75 init_journal+0x14b4/0x1fa0 fs/gfs2/ops_fstype.c:828 init_inodes+0xe0/0x2d8 fs/gfs2/ops_fstype.c:886 gfs2_fill_super+0x1658/0x1fd4 fs/gfs2/ops_fstype.c:1250 get_tree_bdev+0x360/0x54c fs/super.c:1303 gfs2_get_tree+0x54/0x1b4 fs/gfs2/ops_fstype.c:1335 vfs_get_tree+0x90/0x274 fs/super.c:1510 do_new_mount+0x25c/0x8c4 fs/namespace.c:3039 path_mount+0x590/0xe04 fs/namespace.c:3369 do_mount fs/namespace.c:3382 [inline] __do_sys_mount fs/namespace.c:3591 [inline] __se_sys_mount fs/namespace.c:3568 [inline] __arm64_sys_mount+0x45c/0x594 fs/namespace.c:3568 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline] invoke_syscall+0x98/0x2c0 arch/arm64/kernel/syscall.c:52 el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:142 do_el0_svc+0x64/0x198 arch/arm64/kernel/syscall.c:193 el0_svc+0x4c/0x15c arch/arm64/kernel/entry-common.c:637 el0t_64_sync_handler+0x84/0xf0 arch/arm64/kernel/entry-common.c:655 el0t_64_sync+0x190/0x194 arch/arm64/kernel/entry.S:591 Showing all locks held in the system: 1 lock held by rcu_tasks_kthre/12: #0: ffff80001513f090 (rcu_tasks.tasks_gp_mutex){+.+.}-{3:3}, at: rcu_tasks_one_gp+0x44/0xcf4 kernel/rcu/tasks.h:518 1 lock held by rcu_tasks_trace/13: #0: ffff80001513f450 (rcu_tasks_trace.tasks_gp_mutex){+.+.}-{3:3}, at: rcu_tasks_one_gp+0x44/0xcf4 kernel/rcu/tasks.h:518 1 lock held by khungtaskd/28: #0: ffff80001513eec0 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0xc/0x44 include/linux/rcupdate.h:326 2 locks held by getty/5220: #0: ffff0000ce169098 (&tty->ldisc_sem){++++}-{0:0}, at: ldsem_down_read+0x3c/0x4c drivers/tty/tty_ldsem.c:340 #1: ffff8000197632f0 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x414/0x1210 drivers/tty/n_tty.c:2176 1 lock held by syz-executor.0/5917: #0: ffff0000c7a1e0e0 (&type->s_umount_key#47/1){+.+.}-{3:3}, at: alloc_super+0x1b4/0x824 fs/super.c:228 1 lock held by syz-executor.0/6996: =============================================