INFO: task syz.0.1:4070 blocked for more than 143 seconds.
      Not tainted 5.15.162-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz.0.1         state:D stack:    0 pid: 4070 ppid:  3980 flags:0x00000009
Call trace:
 __switch_to+0x308/0x5e8 arch/arm64/kernel/process.c:518
 context_switch kernel/sched/core.c:5030 [inline]
 __schedule+0xf10/0x1e48 kernel/sched/core.c:6376
 schedule+0x11c/0x1c8 kernel/sched/core.c:6459
 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_inode+0x114/0x404 fs/xfs/xfs_trans.c:1047
 xfs_attr_set+0x73c/0x11e0 fs/xfs/libxfs/xfs_attr.c:772
 xfs_xattr_set+0x1a8/0x30c fs/xfs/xfs_xattr.c:59
 __vfs_setxattr+0x388/0x3a4 fs/xattr.c:182
 __vfs_setxattr_noperm+0x110/0x528 fs/xattr.c:216
 __vfs_setxattr_locked+0x1ec/0x218 fs/xattr.c:277
 vfs_setxattr+0x1a8/0x344 fs/xattr.c:303
 do_setxattr fs/xattr.c:588 [inline]
 setxattr+0x250/0x2b4 fs/xattr.c:611
 path_setxattr+0x17c/0x258 fs/xattr.c:630
 __do_sys_lsetxattr fs/xattr.c:653 [inline]
 __se_sys_lsetxattr fs/xattr.c:649 [inline]
 __arm64_sys_lsetxattr+0xbc/0xd8 fs/xattr.c:649
 __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:608
 el0t_64_sync_handler+0x84/0xe4 arch/arm64/kernel/entry-common.c:626
 el0t_64_sync+0x1a0/0x1a4 arch/arm64/kernel/entry.S:584
INFO: task syz.0.1:4161 blocked for more than 143 seconds.
      Not tainted 5.15.162-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz.0.1         state:D stack:    0 pid: 4161 ppid:  3980 flags:0x00000001
Call trace:
 __switch_to+0x308/0x5e8 arch/arm64/kernel/process.c:518
 context_switch kernel/sched/core.c:5030 [inline]
 __schedule+0xf10/0x1e48 kernel/sched/core.c:6376
 schedule+0x11c/0x1c8 kernel/sched/core.c:6459
 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_icreate+0xc8/0x290 fs/xfs/xfs_trans.c:1102
 xfs_create+0x578/0xfec fs/xfs/xfs_inode.c:1018
 xfs_generic_create+0x390/0xb10 fs/xfs/xfs_iops.c:197
 xfs_vn_create+0x44/0x58 fs/xfs/xfs_iops.c:275
 lookup_open fs/namei.c:3462 [inline]
 open_last_lookups fs/namei.c:3532 [inline]
 path_openat+0xf18/0x26cc fs/namei.c:3739
 do_filp_open+0x1a8/0x3b4 fs/namei.c:3769
 do_sys_openat2+0x128/0x3d8 fs/open.c:1253
 do_sys_open fs/open.c:1269 [inline]
 __do_sys_openat fs/open.c:1285 [inline]
 __se_sys_openat fs/open.c:1280 [inline]
 __arm64_sys_openat+0x1f0/0x240 fs/open.c:1280
 __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:608
 el0t_64_sync_handler+0x84/0xe4 arch/arm64/kernel/entry-common.c:626
 el0t_64_sync+0x1a0/0x1a4 arch/arm64/kernel/entry.S:584

Showing all locks held in the system:
2 locks held by kworker/1:0/21:
 #0: ffff0001b481d958 (&rq->__lock){-.-.}-{2:2}, at: raw_spin_rq_lock_nested kernel/sched/core.c:475 [inline]
 #0: ffff0001b481d958 (&rq->__lock){-.-.}-{2:2}, at: raw_spin_rq_lock kernel/sched/sched.h:1326 [inline]
 #0: ffff0001b481d958 (&rq->__lock){-.-.}-{2:2}, at: rq_lock kernel/sched/sched.h:1621 [inline]
 #0: ffff0001b481d958 (&rq->__lock){-.-.}-{2:2}, at: __schedule+0x328/0x1e48 kernel/sched/core.c:6290
 #1: ffff0001b480ac48 (&per_cpu_ptr(group->pcpu, cpu)->seq){-.-.}-{0:0}, at: psi_task_switch+0x438/0x66c kernel/sched/psi.c:891
1 lock held by khungtaskd/27:
 #0: ffff800014b214e0 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0xc/0x44 include/linux/rcupdate.h:311
3 locks held by kworker/u4:2/148:
2 locks held by getty/3745:
 #0: ffff0000d27f7098 (&tty->ldisc_sem){++++}-{0:0}, at: ldsem_down_read+0x40/0x50 drivers/tty/tty_ldsem.c:340
 #1: ffff80001a32e2e8 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x414/0x1204 drivers/tty/n_tty.c:2158
3 locks held by syz.0.1/4070:
 #0: ffff0000c1f68460 (sb_writers#13){.+.+}-{0:0}, at: mnt_want_write+0x44/0x9c fs/namespace.c:377
 #1: ffff0000e48bb780 (&sb->s_type->i_mutex_key#22){+.+.}-{3:3}, at: inode_lock include/linux/fs.h:789 [inline]
 #1: ffff0000e48bb780 (&sb->s_type->i_mutex_key#22){+.+.}-{3:3}, at: vfs_setxattr+0x17c/0x344 fs/xattr.c:302
 #2: ffff0000c1f68650 (sb_internal#2){.+.+}-{0:0}, at: xfs_trans_alloc_inode+0x114/0x404 fs/xfs/xfs_trans.c:1047
3 locks held by syz.0.1/4161:
 #0: ffff0000c1f68460 (sb_writers#13){.+.+}-{0:0}, at: mnt_want_write+0x44/0x9c fs/namespace.c:377
 #1: ffff0000e48b8300 (&inode->i_sb->s_type->i_mutex_dir_key){++++}-{3:3}, at: inode_lock include/linux/fs.h:789 [inline]
 #1: ffff0000e48b8300 (&inode->i_sb->s_type->i_mutex_dir_key){++++}-{3:3}, at: open_last_lookups fs/namei.c:3529 [inline]
 #1: ffff0000e48b8300 (&inode->i_sb->s_type->i_mutex_dir_key){++++}-{3:3}, at: path_openat+0x640/0x26cc fs/namei.c:3739
 #2: ffff0000c1f68650 (sb_internal#2){.+.+}-{0:0}, at: xfs_trans_alloc_icreate+0xc8/0x290 fs/xfs/xfs_trans.c:1102
3 locks held by kworker/u4:11/4174:
2 locks held by kworker/0:11/4521:
 #0: ffff0000c99e8138 ((wq_completion)xfs-sync/loop0){+.+.}-{0:0}, at: process_one_work+0x66c/0x11b8 kernel/workqueue.c:2283
 #1: ffff80001d5b7c00 ((work_completion)(&(&log->l_work)->work)){+.+.}-{0:0}, at: process_one_work+0x6ac/0x11b8 kernel/workqueue.c:2285
2 locks held by syz.0.1348/8176:
2 locks held by syz.2.1347/8177:

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