INFO: task syz.4.30:6806 blocked for more than 143 seconds.
      Tainted: G             L      syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz.4.30        state:D stack:0     pid:6806  tgid:6799  ppid:6569   task_flags:0x400140 flags:0x00800011
Call trace:
 __switch_to+0x418/0x87c arch/arm64/kernel/process.c:742 (T)
 context_switch kernel/sched/core.c:5256 [inline]
 __schedule+0x1250/0x2a7c kernel/sched/core.c:6863
 __schedule_loop kernel/sched/core.c:6945 [inline]
 schedule+0xb4/0x230 kernel/sched/core.c:6960
 io_schedule+0x84/0xf4 kernel/sched/core.c:7789
 __lock_metapage+0x19c/0x434 fs/jfs/jfs_metapage.c:52
 lock_metapage fs/jfs/jfs_metapage.c:66 [inline]
 __get_metapage+0x7dc/0xe90 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_xattr_set+0xe0/0x178 fs/jfs/xattr.c:941
 jfs_xattr_set+0x58/0x70 fs/jfs/xattr.c:965
 __vfs_setxattr+0x3d8/0x400 fs/xattr.c:200
 __vfs_setxattr_noperm+0x120/0x5c4 fs/xattr.c:234
 __vfs_setxattr_locked+0x1e8/0x214 fs/xattr.c:295
 vfs_setxattr+0x158/0x2a8 fs/xattr.c:321
 do_setxattr fs/xattr.c:636 [inline]
 file_setxattr+0x1b8/0x294 fs/xattr.c:646
 path_setxattrat+0x2ac/0x320 fs/xattr.c:711
 __do_sys_fsetxattr fs/xattr.c:761 [inline]
 __se_sys_fsetxattr fs/xattr.c:758 [inline]
 __arm64_sys_fsetxattr+0xc0/0xdc fs/xattr.c:758
 __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/0x26c 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: ffff80008fa5b6e0 (rcu_read_lock){....}-{1:3}, at: rcu_lock_acquire+0x4/0x48 include/linux/rcupdate.h:330
2 locks held by pr/ttyAMA-1/43:
1 lock held by klogd/6197:
2 locks held by getty/6351:
 #0: ffff0000d53a10a0 (&tty->ldisc_sem){++++}-{0:0}, at: ldsem_down_read+0x3c/0x4c drivers/tty/tty_ldsem.c:340
 #1: ffff800099f1e2f0 (&ldata->atomic_read_lock){+.+.}-{4:4}, at: n_tty_read+0x34c/0xfc8 drivers/tty/n_tty.c:2211
4 locks held by syz.4.30/6806:
 #0: ffff0000de1ac420 (sb_writers#17){.+.+}-{0:0}, at: mnt_want_write_file+0x64/0x1e8 fs/namespace.c:543
 #1: ffff0000f7150ea0 (&sb->s_type->i_mutex_key#29){+.+.}-{4:4}, at: inode_lock include/linux/fs.h:1027 [inline]
 #1: ffff0000f7150ea0 (&sb->s_type->i_mutex_key#29){+.+.}-{4:4}, at: vfs_setxattr+0x138/0x2a8 fs/xattr.c:320
 #2: ffff0000f7150af0 (&jfs_ip->commit_mutex){+.+.}-{4:4}, at: __jfs_xattr_set+0xc4/0x178 fs/jfs/xattr.c:940
 #3: ffff0000f7150b88 (&jfs_ip->xattr_sem){++++}-{4:4}, at: __jfs_setxattr+0xd0/0xf84 fs/jfs/xattr.c:678
4 locks held by kworker/u8:20/7241:
 #0: ffff0000c1ff2948 ((wq_completion)writeback){+.+.}-{0:0}, at: process_one_work+0x63c/0x1558 kernel/workqueue.c:3231
 #1: ffff80009e947be0 ((work_completion)(&(&wb->dwork)->work)){+.+.}-{0:0}, at: process_one_work+0x6d0/0x1558 kernel/workqueue.c:3231
 #2: ffff0000de1ac0e0 (&type->s_umount_key#90){++++}-{4:4}, at: super_trylock_shared+0x24/0xdc fs/super.c:563
 #3: ffff0000f7150af0 (&jfs_ip->commit_mutex){+.+.}-{4:4}, at: jfs_commit_inode+0x19c/0x498 fs/jfs/inode.c:108

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