INFO: task syz-executor.1:6772 blocked for more than 143 seconds. Not tainted 6.8.0-rc7-syzkaller-g707081b61156 #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz-executor.1 state:D stack:0 pid:6772 tgid:6771 ppid:6199 flags:0x0000000d Call trace: __switch_to+0x314/0x560 arch/arm64/kernel/process.c:553 context_switch kernel/sched/core.c:5400 [inline] __schedule+0x1498/0x24b4 kernel/sched/core.c:6727 __schedule_loop kernel/sched/core.c:6802 [inline] schedule+0xb8/0x19c kernel/sched/core.c:6817 io_schedule+0x8c/0x12c kernel/sched/core.c:9023 folio_wait_bit_common+0x65c/0xb90 mm/filemap.c:1274 folio_wait_bit+0x30/0x40 mm/filemap.c:1413 folio_wait_locked include/linux/pagemap.h:1123 [inline] gfs2_jhead_process_page+0x154/0x4f0 fs/gfs2/lops.c:470 gfs2_find_jhead+0x728/0xc18 fs/gfs2/lops.c:576 check_journal_clean+0x188/0x2fc fs/gfs2/util.c:76 init_journal+0x14b4/0x1fa0 fs/gfs2/ops_fstype.c:826 init_inodes+0xe0/0x2d8 fs/gfs2/ops_fstype.c:884 gfs2_fill_super+0x1794/0x1eec fs/gfs2/ops_fstype.c:1263 get_tree_bdev+0x320/0x470 fs/super.c:1614 gfs2_get_tree+0x54/0x1b4 fs/gfs2/ops_fstype.c:1341 vfs_get_tree+0x90/0x288 fs/super.c:1779 do_new_mount+0x278/0x900 fs/namespace.c:3352 path_mount+0x590/0xe04 fs/namespace.c:3679 do_mount fs/namespace.c:3692 [inline] __do_sys_mount fs/namespace.c:3898 [inline] __se_sys_mount fs/namespace.c:3875 [inline] __arm64_sys_mount+0x45c/0x594 fs/namespace.c:3875 __invoke_syscall arch/arm64/kernel/syscall.c:34 [inline] invoke_syscall+0x98/0x2b8 arch/arm64/kernel/syscall.c:48 el0_svc_common+0x130/0x23c arch/arm64/kernel/syscall.c:133 do_el0_svc+0x48/0x58 arch/arm64/kernel/syscall.c:152 el0_svc+0x54/0x168 arch/arm64/kernel/entry-common.c:712 el0t_64_sync_handler+0x84/0xfc arch/arm64/kernel/entry-common.c:730 el0t_64_sync+0x190/0x194 arch/arm64/kernel/entry.S:598 Showing all locks held in the system: 1 lock held by khungtaskd/29: #0: ffff80008ee74ac0 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0xc/0x44 include/linux/rcupdate.h:297 2 locks held by kworker/u4:3/41: #0: ffff0001b4035f58 (&rq->__lock){-.-.}-{2:2}, at: raw_spin_rq_lock_nested kernel/sched/core.c:559 [inline] #0: ffff0001b4035f58 (&rq->__lock){-.-.}-{2:2}, at: raw_spin_rq_lock kernel/sched/sched.h:1385 [inline] #0: ffff0001b4035f58 (&rq->__lock){-.-.}-{2:2}, at: rq_lock kernel/sched/sched.h:1699 [inline] #0: ffff0001b4035f58 (&rq->__lock){-.-.}-{2:2}, at: __schedule+0x2e0/0x24b4 kernel/sched/core.c:6643 #1: ffff0001b4021c88 (&per_cpu_ptr(group->pcpu, cpu)->seq){-.-.}-{0:0}, at: psi_task_switch+0x3c0/0x618 kernel/sched/psi.c:988 4 locks held by udevd/5785: 2 locks held by getty/5927: #0: ffff0000cccac0a0 (&tty->ldisc_sem){++++}-{0:0}, at: ldsem_down_read+0x3c/0x4c drivers/tty/tty_ldsem.c:340 #1: ffff800093fe02f0 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x41c/0x1228 drivers/tty/n_tty.c:2201 1 lock held by syz-executor.1/6772: #0: ffff0000d40380e0 (&type->s_umount_key#51/1){+.+.}-{3:3}, at: alloc_super+0x1b0/0x83c fs/super.c:343 3 locks held by kworker/0:6/7267: #0: ffff0001b4013f58 (&rq->__lock){-.-.}-{2:2}, at: raw_spin_rq_lock_nested kernel/sched/core.c:559 [inline] #0: ffff0001b4013f58 (&rq->__lock){-.-.}-{2:2}, at: raw_spin_rq_lock kernel/sched/sched.h:1385 [inline] #0: ffff0001b4013f58 (&rq->__lock){-.-.}-{2:2}, at: rq_lock kernel/sched/sched.h:1699 [inline] #0: ffff0001b4013f58 (&rq->__lock){-.-.}-{2:2}, at: __schedule+0x2e0/0x24b4 kernel/sched/core.c:6643 #1: ffff0001b3fffc88 (&per_cpu_ptr(group->pcpu, cpu)->seq){-.-.}-{0:0}, at: psi_task_switch+0x3c0/0x618 kernel/sched/psi.c:988 #2: ffff8000936f5ae8 (&obj_hash[i].lock){-.-.}-{2:2}, at: __debug_check_no_obj_freed lib/debugobjects.c:978 [inline] #2: ffff8000936f5ae8 (&obj_hash[i].lock){-.-.}-{2:2}, at: debug_check_no_obj_freed+0x14c/0x47c lib/debugobjects.c:1019 1 lock held by udevd/9819: #0: ffff0000c149d9d8 (mapping.invalidate_lock#2){.+.+}-{3:3}, at: filemap_invalidate_lock_shared include/linux/fs.h:859 [inline] #0: ffff0000c149d9d8 (mapping.invalidate_lock#2){.+.+}-{3:3}, at: page_cache_ra_unbounded+0xc8/0x58c mm/readahead.c:225 1 lock held by udevd/9836: #0: ffff0000c149f0d8 (mapping.invalidate_lock#2){.+.+}-{3:3}, at: filemap_invalidate_lock_shared include/linux/fs.h:859 [inline] #0: ffff0000c149f0d8 (mapping.invalidate_lock#2){.+.+}-{3:3}, at: page_cache_ra_unbounded+0xc8/0x58c mm/readahead.c:225 2 locks held by syz-executor.3/9852: =============================================