INFO: task syz.6.681:9487 blocked for more than 143 seconds.
      Not tainted syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz.6.681       state:D stack:0     pid:9487  tgid:9486  ppid:7675   task_flags:0x400140 flags:0x00000011
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
 io_schedule+0x84/0xf0 kernel/sched/core.c:7871
 __lock_metapage+0x19c/0x434 fs/jfs/jfs_metapage.c:52
 lock_metapage fs/jfs/jfs_metapage.c:66 [inline]
 __get_metapage+0x7d8/0xe8c fs/jfs/jfs_metapage.c:748
 ea_write+0x464/0xb60 fs/jfs/xattr.c:256
 ea_put fs/jfs/xattr.c:626 [inline]
 __jfs_setxattr+0x7bc/0xf84 fs/jfs/xattr.c:792
 jfs_initxattrs+0x150/0x22c fs/jfs/xattr.c:1040
 security_inode_init_security+0x6dc/0x7f4 security/security.c:1891
 jfs_init_security+0xa4/0xec fs/jfs/xattr.c:1052
 jfs_mkdir+0x228/0x8b4 fs/jfs/namei.c:240
 vfs_mkdir+0x284/0x424 fs/namei.c:4453
 do_mkdirat+0x1f8/0x4c8 fs/namei.c:4486
 __do_sys_mkdirat fs/namei.c:4503 [inline]
 __se_sys_mkdirat fs/namei.c:4501 [inline]
 __arm64_sys_mkdirat+0x8c/0xa4 fs/namei.c:4501
 __invoke_syscall arch/arm64/kernel/syscall.c:35 [inline]
 invoke_syscall+0x98/0x254 arch/arm64/kernel/syscall.c:49
 el0_svc_common+0xe8/0x23c 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:724
 el0t_64_sync_handler+0x84/0x12c arch/arm64/kernel/entry-common.c:743
 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:596

Showing all locks held in the system:
1 lock held by khungtaskd/32:
 #0: ffff80008f79b760 (rcu_read_lock){....}-{1:3}, at: rcu_lock_acquire+0x4/0x48 include/linux/rcupdate.h:330
2 locks held by klogd/6183:
2 locks held by getty/6335:
 #0: ffff0000d2f630a0 (&tty->ldisc_sem){++++}-{0:0}, at: ldsem_down_read+0x3c/0x4c drivers/tty/tty_ldsem.c:340
 #1: ffff80009bb4b2f0 (&ldata->atomic_read_lock){+.+.}-{4:4}, at: n_tty_read+0x34c/0xfa4 drivers/tty/n_tty.c:2222
5 locks held by syz.6.681/9487:
 #0: ffff0000cb81c420 (sb_writers#19){.+.+}-{0:0}, at: mnt_want_write+0x44/0x9c fs/namespace.c:499
 #1: ffff0000f851d7e0 (&type->i_mutex_dir_key#11/1){+.+.}-{4:4}, at: inode_lock_nested include/linux/fs.h:1025 [inline]
 #1: ffff0000f851d7e0 (&type->i_mutex_dir_key#11/1){+.+.}-{4:4}, at: filename_create+0x1ac/0x32c fs/namei.c:4226
 #2: ffff0000f851d430 (&jfs_ip->commit_mutex){+.+.}-{4:4}, at: jfs_mkdir+0x1bc/0x8b4 fs/jfs/namei.c:233
 #3: ffff0000f85181c8 (&jfs_ip->commit_mutex/1){+.+.}-{4:4}, at: jfs_mkdir+0x1cc/0x8b4 fs/jfs/namei.c:234
 #4: ffff0000f8518260 (&jfs_ip->xattr_sem){++++}-{4:4}, at: __jfs_setxattr+0xd0/0xf84 fs/jfs/xattr.c:678

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