INFO: task syz-executor.2:6083 blocked for more than 144 seconds.
      Not tainted 5.15.106-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.2  state:D stack:    0 pid: 6083 ppid:  4101 flags:0x00000009
Call trace:
 __switch_to+0x308/0x5e8 arch/arm64/kernel/process.c:518
 context_switch kernel/sched/core.c:5026 [inline]
 __schedule+0xf10/0x1e38 kernel/sched/core.c:6372
 schedule+0x11c/0x1c8 kernel/sched/core.c:6455
 xlog_grant_head_wait+0x390/0xa88 fs/xfs/xfs_log.c:256
 xlog_grant_head_check+0x218/0x3d8
 xfs_log_reserve+0x384/0xc1c fs/xfs/xfs_log.c:464
 xfs_trans_reserve+0x1e8/0x5a4 fs/xfs/xfs_trans.c:197
 xfs_trans_alloc+0x4c4/0xaa4 fs/xfs/xfs_trans.c:288
 xfs_trans_alloc_dir+0x110/0x620 fs/xfs/xfs_trans.c:1234
 xfs_remove+0x330/0xaa4 fs/xfs/xfs_inode.c:2789
 xfs_vn_unlink+0x120/0x24c fs/xfs/xfs_iops.c:387
 vfs_unlink+0x2f0/0x508 fs/namei.c:4209
 do_unlinkat+0x4c8/0x82c fs/namei.c:4277
 __do_sys_unlinkat fs/namei.c:4320 [inline]
 __se_sys_unlinkat fs/namei.c:4313 [inline]
 __arm64_sys_unlinkat+0xcc/0xfc fs/namei.c:4313
 __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 arch/arm64/kernel/entry.S:584

Showing all locks held in the system:
4 locks held by kworker/1:0/21:
 #0: ffff0001b4830d18 (&rq->__lock){-.-.}-{2:2}, at: raw_spin_rq_lock_nested kernel/sched/core.c:475 [inline]
 #0: ffff0001b4830d18 (&rq->__lock){-.-.}-{2:2}, at: raw_spin_rq_lock kernel/sched/sched.h:1325 [inline]
 #0: ffff0001b4830d18 (&rq->__lock){-.-.}-{2:2}, at: rq_lock kernel/sched/sched.h:1620 [inline]
 #0: ffff0001b4830d18 (&rq->__lock){-.-.}-{2:2}, at: __schedule+0x328/0x1e38 kernel/sched/core.c:6286
 #1: ffff0001b481ec48 (&per_cpu_ptr(group->pcpu, cpu)->seq){-.-.}-{0:0}, at: psi_task_switch+0x438/0x66c kernel/sched/psi.c:891
 #2: ffff0001b481f498 (&base->lock){-.-.}-{2:2}, at: lock_timer_base+0x108/0x214 kernel/time/timer.c:946
 #3: ffff800018681238 (&obj_hash[i].lock){-.-.}-{2:2}, at: debug_object_activate+0x7c/0x610 lib/debugobjects.c:668
1 lock held by khungtaskd/27:
 #0: ffff800014aa1660 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0xc/0x44 include/linux/rcupdate.h:268
2 locks held by getty/3733:
 #0: ffff0000d3305098 (&tty->ldisc_sem){++++}-{0:0}, at: ldsem_down_read+0x40/0x50 drivers/tty/tty_ldsem.c:340
 #1: ffff80001a2ab2e8 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x414/0x1200 drivers/tty/n_tty.c:2147
4 locks held by syz-executor.2/6083:
 #0: ffff0000caeb6460 (sb_writers#24){.+.+}-{0:0}, at: mnt_want_write+0x44/0x9c fs/namespace.c:377
 #1: ffff000125540300 (&inode->i_sb->s_type->i_mutex_dir_key/1){+.+.}-{3:3}, at: inode_lock_nested include/linux/fs.h:822 [inline]
 #1: ffff000125540300 (&inode->i_sb->s_type->i_mutex_dir_key/1){+.+.}-{3:3}, at: do_unlinkat+0x2cc/0x82c fs/namei.c:4260
 #2: ffff000125541980 (&sb->s_type->i_mutex_key#30){+.+.}-{3:3}, at: inode_lock include/linux/fs.h:787 [inline]
 #2: ffff000125541980 (&sb->s_type->i_mutex_key#30){+.+.}-{3:3}, at: vfs_unlink+0xd8/0x508 fs/namei.c:4198
 #3: ffff0000caeb6650 (sb_internal#4){.+.+}-{0:0}, at: xfs_trans_alloc_dir+0x110/0x620 fs/xfs/xfs_trans.c:1234
4 locks held by syz-executor.4/6382:
 #0: ffff000133fa2460 (sb_writers#24){.+.+}-{0:0}, at: mnt_want_write+0x44/0x9c fs/namespace.c:377
 #1: ffff0001236e8300 (&inode->i_sb->s_type->i_mutex_dir_key/1){+.+.}-{3:3}, at: inode_lock_nested include/linux/fs.h:822 [inline]
 #1: ffff0001236e8300 (&inode->i_sb->s_type->i_mutex_dir_key/1){+.+.}-{3:3}, at: do_unlinkat+0x2cc/0x82c fs/namei.c:4260
 #2: ffff0001236e9980 (&sb->s_type->i_mutex_key#30){+.+.}-{3:3}, at: inode_lock include/linux/fs.h:787 [inline]
 #2: ffff0001236e9980 (&sb->s_type->i_mutex_key#30){+.+.}-{3:3}, at: vfs_unlink+0xd8/0x508 fs/namei.c:4198
 #3: ffff000133fa2650 (sb_internal#4){.+.+}-{0:0}, at: xfs_trans_alloc_dir+0x110/0x620 fs/xfs/xfs_trans.c:1234
1 lock held by syz-executor.3/8129:
 #0: ffff0000da6fa0e0 (&type->s_umount_key#79/1){+.+.}-{3:3}, at: alloc_super+0x1b8/0x844 fs/super.c:229
2 locks held by syz-executor.5/8134:
1 lock held by syz-executor.2/8158:

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