INFO: task kworker/0:4:4151 blocked for more than 143 seconds. Not tainted 5.15.100-syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:4 state:D stack: 0 pid: 4151 ppid: 2 flags:0x00000008 Workqueue: gfs_recovery gfs2_recover_func Call trace: __switch_to+0x308/0x5e8 arch/arm64/kernel/process.c:518 context_switch kernel/sched/core.c:5023 [inline] __schedule+0xfcc/0x1f1c kernel/sched/core.c:6369 schedule+0x11c/0x1c8 kernel/sched/core.c:6452 io_schedule+0x8c/0x194 kernel/sched/core.c:8469 wait_on_page_bit_common+0x6fc/0xc14 mm/filemap.c:1356 wait_on_page_bit+0x58/0x68 mm/filemap.c:1417 wait_on_page_locked include/linux/pagemap.h:688 [inline] gfs2_jhead_process_page+0x1e0/0x6b0 fs/gfs2/lops.c:476 gfs2_find_jhead+0x814/0xdb4 fs/gfs2/lops.c:586 gfs2_recover_func+0x548/0x17fc fs/gfs2/recovery.c:462 process_one_work+0x84c/0x14b8 kernel/workqueue.c:2306 worker_thread+0x910/0x1034 kernel/workqueue.c:2453 kthread+0x37c/0x45c kernel/kthread.c:319 ret_from_fork+0x10/0x20 :870 INFO: task syz-executor.0:9865 blocked for more than 143 seconds. Not tainted 5.15.100-syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz-executor.0 state:D stack: 0 pid: 9865 ppid: 4092 flags:0x00000009 Call trace: __switch_to+0x308/0x5e8 arch/arm64/kernel/process.c:518 context_switch kernel/sched/core.c:5023 [inline] __schedule+0xfcc/0x1f1c kernel/sched/core.c:6369 schedule+0x11c/0x1c8 kernel/sched/core.c:6452 bit_wait+0x1c/0xac kernel/sched/wait_bit.c:199 __wait_on_bit kernel/sched/wait_bit.c:49 [inline] out_of_line_wait_on_bit+0x208/0x33c kernel/sched/wait_bit.c:64 wait_on_bit include/linux/wait_bit.h:76 [inline] gfs2_recover_journal+0xf0/0x16c fs/gfs2/recovery.c:579 init_journal+0x1540/0x2114 fs/gfs2/ops_fstype.c:837 init_inodes+0xe0/0x2d8 fs/gfs2/ops_fstype.c:891 gfs2_fill_super+0x1640/0x2010 fs/gfs2/ops_fstype.c:1249 get_tree_bdev+0x360/0x54c fs/super.c:1294 gfs2_get_tree+0x54/0x1b4 fs/gfs2/ops_fstype.c:1332 vfs_get_tree+0x90/0x274 fs/super.c:1499 do_new_mount+0x25c/0x8c8 fs/namespace.c:2994 path_mount+0x590/0x104c fs/namespace.c:3324 do_mount fs/namespace.c:3337 [inline] __do_sys_mount fs/namespace.c:3545 [inline] __se_sys_mount fs/namespace.c:3522 [inline] __arm64_sys_mount+0x510/0x5e0 fs/namespace.c:3522 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline] invoke_syscall+0x98/0x2b8 arch/arm64/kernel/syscall.c:52 el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:142 do_el0_svc+0x58/0x14c arch/arm64/kernel/syscall.c:181 el0_svc+0x7c/0x1f0 arch/arm64/kernel/entry-common.c:596 el0t_64_sync_handler+0x84/0xe4 arch/arm64/kernel/entry-common.c:614 el0t_64_sync+0x1a0/0x1a4 :584 Showing all locks held in the system: 1 lock held by khungtaskd/27: #0: ffff800014b925a0 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0xc/0x44 include/linux/rcupdate.h:268 2 locks held by kworker/u4:2/148: 2 locks held by getty/3733: #0: ffff0000d3990098 (&tty->ldisc_sem){++++}-{0:0}, at: ldsem_down_read+0x40/0x50 drivers/tty/tty_ldsem.c:340 #1: ffff800018e902e8 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x414/0x1200 drivers/tty/n_tty.c:2147 2 locks held by kworker/0:4/4151: #0: ffff0000c6746938 ((wq_completion)gfs_recovery){+.+.}-{0:0}, at: process_one_work+0x66c/0x14b8 kernel/workqueue.c:2279 #1: ffff80001cc67c00 ((work_completion)(&jd->jd_work)){+.+.}-{0:0}, at: process_one_work+0x6ac/0x14b8 kernel/workqueue.c:2281 2 locks held by kworker/u4:9/5071: #0: ffff0000c0029138 ((wq_completion)events_unbound){+.+.}-{0:0}, at: process_one_work+0x66c/0x14b8 kernel/workqueue.c:2279 #1: ffff80001ebe7c00 ((work_completion)(&ctx->exit_work)){+.+.}-{0:0}, at: process_one_work+0x6ac/0x14b8 kernel/workqueue.c:2281 1 lock held by syz-executor.0/9865: #0: ffff0000cd5040e0 (&type->s_umount_key#57/1){+.+.}-{3:3}, at: alloc_super+0x1b8/0x844 fs/super.c:229 2 locks held by udevd/10262: #0: ffff0000cb3ca118 (&disk->open_mutex){+.+.}-{3:3}, at: blkdev_put+0xe0/0x6b0 block/bdev.c:912 #1: ffff0001b4802c48 (&per_cpu_ptr(group->pcpu, cpu)->seq){-.-.}-{0:0}, at: psi_task_switch+0x438/0x66c kernel/sched/psi.c:891 1 lock held by syz-executor.0/10266: 2 locks held by syz-executor.4/10273: 1 lock held by syz-executor.1/10284: 1 lock held by syz-executor.2/10286: #0: ffff0000d5d600e0 (&type->s_umount_key#92/1){+.+.}-{3:3}, at: alloc_super+0x1b8/0x844 fs/super.c:229 =============================================