INFO: task syz.3.283:8021 blocked for more than 159 seconds.
      Not tainted 6.16.0-rc7-syzkaller-g82af5ea7c611 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz.3.283       state:D stack:0     pid:8021  tgid:8017  ppid:6526   task_flags:0x400040 flags:0x00000001
Call trace:
 __switch_to+0x418/0x87c arch/arm64/kernel/process.c:741 (T)
 context_switch kernel/sched/core.c:5397 [inline]
 __schedule+0x141c/0x2a14 kernel/sched/core.c:6786
 __schedule_loop kernel/sched/core.c:6864 [inline]
 schedule+0xb4/0x230 kernel/sched/core.c:6879
 schedule_preempt_disabled+0x18/0x2c kernel/sched/core.c:6936
 __mutex_lock_common+0xbd0/0x2190 kernel/locking/mutex.c:679
 __mutex_lock kernel/locking/mutex.c:747 [inline]
 mutex_lock_nested+0x2c/0x38 kernel/locking/mutex.c:799
 io_init_wq_offload io_uring/tctx.c:22 [inline]
 io_uring_alloc_task_context+0xf8/0x49c io_uring/tctx.c:85
 __io_uring_add_tctx_node+0x2a4/0x3cc io_uring/tctx.c:111
 __io_uring_add_tctx_node_from_submit+0x8c/0x120 io_uring/tctx.c:154
 io_uring_add_tctx_node io_uring/tctx.h:32 [inline]
 __do_sys_io_uring_enter io_uring/io_uring.c:3399 [inline]
 __se_sys_io_uring_enter io_uring/io_uring.c:3338 [inline]
 __arm64_sys_io_uring_enter+0xef0/0x11b8 io_uring/io_uring.c:3338
 __invoke_syscall arch/arm64/kernel/syscall.c:35 [inline]
 invoke_syscall+0x98/0x2b8 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+0x58/0x180 arch/arm64/kernel/entry-common.c:879
 el0t_64_sync_handler+0x84/0x12c arch/arm64/kernel/entry-common.c:898
 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:596

Showing all locks held in the system:
1 lock held by kthreadd/2:
3 locks held by kworker/u8:0/12:
3 locks held by kworker/u8:1/14:
1 lock held by khungtaskd/32:
 #0: ffff80008f869980 (rcu_read_lock){....}-{1:3}, at: rcu_lock_acquire+0x4/0x48 include/linux/rcupdate.h:330
2 locks held by kworker/u8:2/41:
3 locks held by kworker/u8:3/42:
3 locks held by pr/ttyAMA0/43:
6 locks held by kworker/u9:0/52:
2 locks held by kworker/u8:4/60:
3 locks held by kworker/u8:5/187:
3 locks held by kworker/u8:6/272:
3 locks held by kworker/u8:7/314:
4 locks held by kworker/u8:8/349:
 #0: ffff0000c0031948 ((wq_completion)events_power_efficient){+.+.}-{0:0}, at: process_one_work+0x63c/0x155c kernel/workqueue.c:3212
 #1: ffff80009c197bc0 ((reg_check_chans).work){+.+.}-{0:0}, at: process_one_work+0x6d4/0x155c kernel/workqueue.c:3212
 #2: ffff8000928c7ba8 (rtnl_mutex){+.+.}-{4:4}, at: rtnl_lock+0x20/0x2c net/core/rtnetlink.c:80
 #3: ffff0000d5718768 (&rdev->wiphy.mtx){+.+.}-{4:4}, at: class_wiphy_constructor include/net/cfg80211.h:6062 [inline]
 #3: ffff0000d5718768 (&rdev->wiphy.mtx){+.+.}-{4:4}, at: reg_leave_invalid_chans net/wireless/reg.c:2471 [inline]
 #3: ffff0000d5718768 (&rdev->wiphy.mtx){+.+.}-{4:4}, at: reg_check_chans_work+0x11c/0xd88 net/wireless/reg.c:2486
3 locks held by kworker/u8:9/547:
3 locks held by kworker/R-ipv6_/4173:
 #0: ffff0000d258b948 ((wq_completion)ipv6_addrconf){+.+.}-{0:0}, at: process_one_work+0x63c/0x155c kernel/workqueue.c:3212
 #1: ffff8000a21b7ba0 ((work_completion)(&(&net->ipv6.addr_chk_work)->work)){+.+.}-{0:0}, at: process_one_work+0x6d4/0x155c kernel/workqueue.c:3212
 #2: ffff8000928c7ba8 (rtnl_mutex){+.+.}-{4:4}, at: rtnl_lock+0x20/0x2c net/core/rtnetlink.c:80
2 locks held by kworker/R-bat_e/4254:
1 lock held by udevd/6142:
2 locks held by dhcpcd/6196:
1 lock held by dhcpcd/6197:
2 locks held by getty/6289:
 #0: ffff0000ccc630a0 (&tty->ldisc_sem){++++}-{0:0}, at: ldsem_down_read+0x3c/0x4c drivers/tty/tty_ldsem.c:340
 #1: ffff80009ba3e2f0 (&ldata->atomic_read_lock){+.+.}-{4:4}, at: n_tty_read+0x34c/0xfa4 drivers/tty/n_tty.c:2222
2 locks held by syz-executor/6525:
5 locks held by kworker/u9:3/6530:
 #0: ffff0000cb3f2148 ((wq_completion)hci4){+.+.}-{0:0}, at: process_one_work+0x63c/0x155c kernel/workqueue.c:3212
 #1: ffff8000a37e7bc0 ((work_completion)(&hdev->cmd_sync_work)){+.+.}-{0:0}, at: process_one_work+0x6d4/0x155c kernel/workqueue.c:3212
 #2: ffff0000d2008dc0 (&hdev->req_lock){+.+.}-{4:4}, at: hci_cmd_sync_work+0x184/0x33c net/bluetooth/hci_sync.c:331
 #3: ffff0000d20080b8 (&hdev->lock){+.+.}-{4:4}, at: hci_abort_conn_sync+0x1a0/0xb8c net/bluetooth/hci_sync.c:5670
 #4: ffff800092a307a8 (hci_cb_list_lock){+.+.}-{4:4}, at: hci_connect_cfm include/net/bluetooth/hci_core.h:2056 [inline]
 #4: ffff800092a307a8 (hci_cb_list_lock){+.+.}-{4:4}, at: hci_conn_failed+0x13c/0x318 net/bluetooth/hci_conn.c:1275
3 locks held by syz-executor/6532:
2 locks held by syz-executor/6534:
2 locks held by syz-executor/6540:
3 locks held by kworker/u8:10/6943:
1 lock held by udevd/7577:
2 locks held by syz.3.283/8019:
1 lock held by syz.3.283/8021:
 #0: ffff0000c8afe0a8 (&ctx->uring_lock){+.+.}-{4:4}, at: io_init_wq_offload io_uring/tctx.c:22 [inline]
 #0: ffff0000c8afe0a8 (&ctx->uring_lock){+.+.}-{4:4}, at: io_uring_alloc_task_context+0xf8/0x49c io_uring/tctx.c:85
3 locks held by kworker/u8:11/8034:
2 locks held by kworker/u8:12/8036:
3 locks held by kworker/u8:13/8037:
3 locks held by kworker/u8:14/8038:
2 locks held by kworker/1:9/8039:
2 locks held by syz-executor/8041:

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