INFO: task kworker/0:4:6231 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:kworker/0:4 state:D stack:0 pid:6231 tgid:6231 ppid:2 flags:0x00000008 Workqueue: gfs2_recovery gfs2_recover_func 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 gfs2_recover_func+0x514/0x1884 fs/gfs2/recovery.c:460 process_one_work+0x694/0x1204 kernel/workqueue.c:2633 process_scheduled_works kernel/workqueue.c:2706 [inline] worker_thread+0x938/0xef4 kernel/workqueue.c:2787 kthread+0x288/0x310 kernel/kthread.c:388 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:860 INFO: task syz-executor.0:7598 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.0 state:D stack:0 pid:7598 tgid:7596 ppid:6184 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 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+0x208/0x334 kernel/sched/wait_bit.c:64 wait_on_bit include/linux/wait_bit.h:76 [inline] gfs2_recover_journal+0xd8/0x150 fs/gfs2/recovery.c:577 init_journal+0x1480/0x1fa0 fs/gfs2/ops_fstype.c:831 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: 2 locks held by kworker/u4:1/13: #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 1 lock held by khungtaskd/29: #0: ffff80008ee74ac0 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0xc/0x44 include/linux/rcupdate.h:297 4 locks held by kworker/u4:2/40: 2 locks held by getty/5927: #0: ffff0000d236f0a0 (&tty->ldisc_sem){++++}-{0:0}, at: ldsem_down_read+0x3c/0x4c drivers/tty/tty_ldsem.c:340 #1: ffff800093ff02f0 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x41c/0x1228 drivers/tty/n_tty.c:2201 2 locks held by kworker/0:4/6231: #0: ffff0000c478b938 ((wq_completion)gfs2_recovery){+.+.}-{0:0}, at: process_one_work+0x560/0x1204 kernel/workqueue.c:2606 #1: ffff800098aa7c20 ((work_completion)(&jd->jd_work)){+.+.}-{0:0}, at: process_one_work+0x5a0/0x1204 kernel/workqueue.c:2608 1 lock held by syz-executor.0/7598: #0: ffff0000f03060e0 (&type->s_umount_key#65/1){+.+.}-{3:3}, at: alloc_super+0x1b0/0x83c fs/super.c:343 3 locks held by udevd/9277: 1 lock held by syz-executor.0/10254: 1 lock held by syz-executor.4/10259: #0: ffff0000d7cbc0e0 (&type->s_umount_key#56/1){+.+.}-{3:3}, at: alloc_super+0x1b0/0x83c fs/super.c:343 2 locks held by syz-executor.3/10291: 2 locks held by syz-executor.1/10292: #0: ffff0000deacb810 (&sb->s_type->i_mutex_key#10){+.+.}-{3:3}, at: inode_lock include/linux/fs.h:804 [inline] #0: ffff0000deacb810 (&sb->s_type->i_mutex_key#10){+.+.}-{3:3}, at: __sock_release net/socket.c:658 [inline] #0: ffff0000deacb810 (&sb->s_type->i_mutex_key#10){+.+.}-{3:3}, at: sock_close+0x80/0x1e8 net/socket.c:1421 #1: ffff0000ee7f8130 (sk_lock-AF_CAN){+.+.}-{0:0}, at: lock_sock include/net/sock.h:1691 [inline] #1: ffff0000ee7f8130 (sk_lock-AF_CAN){+.+.}-{0:0}, at: bcm_release+0x1c4/0x800 net/can/bcm.c:1527 2 locks held by syz-executor.2/10299: 1 lock held by udevadm/10304: =============================================