INFO: task syz-executor.2:8715 blocked for more than 143 seconds.
      Not tainted 6.8.0-rc3-syzkaller-gf735966ee23c #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.2  state:D stack:0     pid:8715  tgid:8713  ppid:6213   flags:0x0000000d
Call trace:
 __switch_to+0x314/0x560 arch/arm64/kernel/process.c:556
 context_switch kernel/sched/core.c:5400 [inline]
 __schedule+0x1498/0x24b4 kernel/sched/core.c:6727
 __schedule_loop kernel/sched/core.c:6802 [inline]
 schedule+0xb8/0x19c kernel/sched/core.c:6817
 request_wait_answer fs/fuse/dev.c:407 [inline]
 __fuse_request_send fs/fuse/dev.c:426 [inline]
 fuse_simple_request+0xea8/0x17b0 fs/fuse/dev.c:513
 fuse_getxattr+0x304/0x554 fs/fuse/xattr.c:82
 fuse_xattr_get+0x78/0x9c fs/fuse/xattr.c:188
 __vfs_getxattr+0x394/0x3c0 fs/xattr.c:424
 smk_fetch+0xc8/0x150 security/smack/smack_lsm.c:306
 smack_d_instantiate+0x594/0x880 security/smack/smack_lsm.c:3575
 security_d_instantiate+0x98/0xf0 security/security.c:3895
 d_splice_alias+0x70/0x310 fs/dcache.c:2973
 create_new_entry+0x63c/0x8bc fs/fuse/dir.c:819
 fuse_mkdir+0x250/0x390 fs/fuse/dir.c:904
 vfs_mkdir+0x27c/0x3e4 fs/namei.c:4122
 do_mkdirat+0x248/0x574 fs/namei.c:4145
 __do_sys_mkdirat fs/namei.c:4160 [inline]
 __se_sys_mkdirat fs/namei.c:4158 [inline]
 __arm64_sys_mkdirat+0x90/0xa8 fs/namei.c:4158
 __invoke_syscall arch/arm64/kernel/syscall.c:37 [inline]
 invoke_syscall+0x98/0x2b8 arch/arm64/kernel/syscall.c:51
 el0_svc_common+0x130/0x23c arch/arm64/kernel/syscall.c:136
 do_el0_svc+0x48/0x58 arch/arm64/kernel/syscall.c:155
 el0_svc+0x54/0x158 arch/arm64/kernel/entry-common.c:678
 el0t_64_sync_handler+0x84/0xfc arch/arm64/kernel/entry-common.c:696
 el0t_64_sync+0x190/0x194 arch/arm64/kernel/entry.S:598

Showing all locks held in the system:
3 locks held by kworker/0:1/10:
 #0: ffff0001b400ef58 (&rq->__lock){-.-.}-{2:2}, at: raw_spin_rq_lock_nested kernel/sched/core.c:559 [inline]
 #0: ffff0001b400ef58 (&rq->__lock){-.-.}-{2:2}, at: raw_spin_rq_lock kernel/sched/sched.h:1385 [inline]
 #0: ffff0001b400ef58 (&rq->__lock){-.-.}-{2:2}, at: rq_lock kernel/sched/sched.h:1699 [inline]
 #0: ffff0001b400ef58 (&rq->__lock){-.-.}-{2:2}, at: __schedule+0x2e0/0x24b4 kernel/sched/core.c:6643
 #1: ffff0001b3ffac88 (&per_cpu_ptr(group->pcpu, cpu)->seq){-.-.}-{0:0}, at: psi_task_switch+0x3c0/0x618 kernel/sched/psi.c:988
 #2: ffff0001b3ffbb98 (&base->lock){-.-.}-{2:2}, at: lock_timer_base+0x108/0x214 kernel/time/timer.c:999
1 lock held by khungtaskd/29:
 #0: ffff80008ee43fc0 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0xc/0x44 include/linux/rcupdate.h:297
2 locks held by kworker/u4:3/41:
 #0: ffff0000c0035938 ((wq_completion)events_unbound){+.+.}-{0:0}, at: process_one_work+0x560/0x1204 kernel/workqueue.c:2606
 #1: ffff800093e47c20 ((work_completion)(&ctx->exit_work)){+.+.}-{0:0}, at: process_one_work+0x5a0/0x1204 kernel/workqueue.c:2608
2 locks held by getty/5942:
 #0: ffff0000cc80b0a0 (&tty->ldisc_sem){++++}-{0:0}, at: ldsem_down_read+0x3c/0x4c drivers/tty/tty_ldsem.c:340
 #1: ffff800093fe72f0 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x41c/0x1228 drivers/tty/n_tty.c:2201
2 locks held by syz-executor.2/8715:
 #0: ffff000123ff4420 (sb_writers#21){.+.+}-{0:0}, at: mnt_want_write+0x44/0x9c fs/namespace.c:409
 #1: ffff00012aaa2310 (&type->i_mutex_dir_key#12/1){+.+.}-{3:3}, at: inode_lock_nested include/linux/fs.h:837 [inline]
 #1: ffff00012aaa2310 (&type->i_mutex_dir_key#12/1){+.+.}-{3:3}, at: filename_create+0x204/0x468 fs/namei.c:3891
1 lock held by syz-executor.0/18755:
 #0: ffff0001296a6e10 (&sb->s_type->i_mutex_key#10){+.+.}-{3:3}, at: inode_lock include/linux/fs.h:802 [inline]
 #0: ffff0001296a6e10 (&sb->s_type->i_mutex_key#10){+.+.}-{3:3}, at: __sock_release net/socket.c:658 [inline]
 #0: ffff0001296a6e10 (&sb->s_type->i_mutex_key#10){+.+.}-{3:3}, at: sock_close+0x80/0x1e8 net/socket.c:1421
3 locks held by syz-executor.2/18800:

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