INFO: task syz.1.52:6929 blocked for more than 143 seconds.
      Not tainted syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz.1.52        state:D stack:0     pid:6929  tgid:6928  ppid:6551   task_flags:0x440140 flags:0x00000001
Call trace:
 __switch_to+0x418/0x87c arch/arm64/kernel/process.c:741 (T)
 context_switch kernel/sched/core.c:5325 [inline]
 __schedule+0x13b0/0x2864 kernel/sched/core.c:6929
 __schedule_loop kernel/sched/core.c:7011 [inline]
 schedule+0xb4/0x230 kernel/sched/core.c:7026
 xlog_grant_head_wait+0x400/0xae8 fs/xfs/xfs_log.c:267
 xlog_grant_head_check+0x210/0x394 fs/xfs/xfs_log.c:-1
 xfs_log_reserve+0x2c0/0x898 fs/xfs/xfs_log.c:437
 xfs_trans_reserve fs/xfs/xfs_trans.c:176 [inline]
 xfs_trans_alloc+0x248/0x898 fs/xfs/xfs_trans.c:258
 xfs_trans_alloc_inode+0x108/0x42c fs/xfs/xfs_trans.c:1076
 xfs_attr_set+0x6d8/0x1020 fs/xfs/libxfs/xfs_attr.c:1098
 xfs_attr_change+0x254/0x334 fs/xfs/xfs_xattr.c:128
 xfs_xattr_set+0x120/0x200 fs/xfs/xfs_xattr.c:186
 __vfs_setxattr+0x3d8/0x400 fs/xattr.c:200
 __vfs_setxattr_noperm+0x120/0x5c4 fs/xattr.c:234
 __vfs_setxattr_locked+0x1ec/0x218 fs/xattr.c:295
 vfs_setxattr+0x158/0x2ac fs/xattr.c:321
 do_setxattr fs/xattr.c:636 [inline]
 filename_setxattr+0x20c/0x4f8 fs/xattr.c:665
 path_setxattrat+0x2e8/0x320 fs/xattr.c:713
 __do_sys_lsetxattr fs/xattr.c:754 [inline]
 __se_sys_lsetxattr fs/xattr.c:750 [inline]
 __arm64_sys_lsetxattr+0xc0/0xdc fs/xattr.c:750
 __invoke_syscall arch/arm64/kernel/syscall.c:35 [inline]
 invoke_syscall+0x98/0x254 arch/arm64/kernel/syscall.c:49
 el0_svc_common+0x130/0x23c arch/arm64/kernel/syscall.c:132
 do_el0_svc+0x48/0x58 arch/arm64/kernel/syscall.c:151
 el0_svc+0x5c/0x254 arch/arm64/kernel/entry-common.c:746
 el0t_64_sync_handler+0x84/0x12c arch/arm64/kernel/entry-common.c:765
 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:596

Showing all locks held in the system:
2 locks held by kworker/1:1/26:
 #0: ffff0000f38ad548 ((wq_completion)xfs-sync/loop1){+.+.}-{0:0}, at: process_one_work+0x63c/0x155c kernel/workqueue.c:3237
 #1: ffff800097b47be0 ((work_completion)(&(&log->l_work)->work)){+.+.}-{0:0}, at: process_one_work+0x6d4/0x155c kernel/workqueue.c:3237
1 lock held by khungtaskd/32:
 #0: ffff80008f76b5a0 (rcu_read_lock){....}-{1:3}, at: rcu_lock_acquire+0x4/0x48 include/linux/rcupdate.h:330
1 lock held by klogd/6180:
2 locks held by getty/6333:
 #0: ffff0000d34630a0 (&tty->ldisc_sem){++++}-{0:0}, at: ldsem_down_read+0x3c/0x4c drivers/tty/tty_ldsem.c:340
 #1: ffff80009bb2b2f0 (&ldata->atomic_read_lock){+.+.}-{4:4}, at: n_tty_read+0x34c/0xfa4 drivers/tty/n_tty.c:2222
3 locks held by syz.1.52/6929:
 #0: ffff0000d88f8420 (sb_writers#16){.+.+}-{0:0}, at: mnt_want_write+0x44/0x9c fs/namespace.c:508
 #1: ffff0000f31e2130 (&sb->s_type->i_mutex_key#24){+.+.}-{4:4}, at: inode_lock include/linux/fs.h:980 [inline]
 #1: ffff0000f31e2130 (&sb->s_type->i_mutex_key#24){+.+.}-{4:4}, at: vfs_setxattr+0x138/0x2ac fs/xattr.c:320
 #2: ffff0000d88f8610 (sb_internal#3){.+.+}-{0:0}, at: xfs_trans_alloc+0xb4/0x898 fs/xfs/xfs_trans.c:256

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