INFO: task syz.3.407:8391 blocked for more than 150 seconds.
      Not tainted 6.15.0-rc7-syzkaller-gd7fa1af5b33e #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz.3.407       state:D stack:0     pid:8391  tgid:8390  ppid:6489   task_flags:0x400140 flags:0x00000011
Call trace:
 __switch_to+0x414/0x834 arch/arm64/kernel/process.c:735 (T)
 context_switch kernel/sched/core.c:5382 [inline]
 __schedule+0x13b0/0x28d4 kernel/sched/core.c:6767
 __schedule_loop kernel/sched/core.c:6845 [inline]
 schedule+0xb4/0x230 kernel/sched/core.c:6860
 schedule_preempt_disabled+0x18/0x2c kernel/sched/core.c:6917
 __mutex_lock_common+0xbd0/0x2190 kernel/locking/mutex.c:678
 __mutex_lock kernel/locking/mutex.c:746 [inline]
 mutex_lock_nested+0x2c/0x38 kernel/locking/mutex.c:798
 loop_reread_partitions drivers/block/loop.c:435 [inline]
 loop_set_status+0x6c4/0x9dc drivers/block/loop.c:1266
 lo_ioctl+0x7e8/0x1b78 drivers/block/loop.c:-1
 blkdev_ioctl+0x610/0xac0 block/ioctl.c:704
 vfs_ioctl fs/ioctl.c:51 [inline]
 __do_sys_ioctl fs/ioctl.c:906 [inline]
 __se_sys_ioctl fs/ioctl.c:892 [inline]
 __arm64_sys_ioctl+0x14c/0x1c4 fs/ioctl.c:892
 __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+0x58/0x17c arch/arm64/kernel/entry-common.c:767
 el0t_64_sync_handler+0x78/0x108 arch/arm64/kernel/entry-common.c:786
 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:600

Showing all locks held in the system:
3 locks held by kworker/u8:1/14:
 #0: ffff0000d2c05148 ((wq_completion)ipv6_addrconf){+.+.}-{0:0}, at: process_one_work+0x658/0x156c kernel/workqueue.c:3212
 #1: ffff800097677bc0 ((work_completion)(&(&net->ipv6.addr_chk_work)->work)){+.+.}-{0:0}, at: process_one_work+0x6ec/0x156c kernel/workqueue.c:3212
 #2: ffff80009248e928 (rtnl_mutex){+.+.}-{4:4}, at: rtnl_lock+0x20/0x2c net/core/rtnetlink.c:80
1 lock held by khungtaskd/32:
 #0: ffff80008f508920 (rcu_read_lock){....}-{1:3}, at: rcu_lock_acquire+0x4/0x48 include/linux/rcupdate.h:330
1 lock held by khugepaged/37:
2 locks held by kworker/u8:2/44:
2 locks held by kworker/u8:4/197:
3 locks held by kworker/u8:5/254:
3 locks held by kworker/u8:7/586:
3 locks held by kworker/u8:8/723:
3 locks held by kworker/u8:9/2568:
1 lock held by klogd/6094:
2 locks held by dhcpcd/6160:
1 lock held by crond/6234:
2 locks held by getty/6255:
 #0: ffff0000cd14c0a0
 (&tty->ldisc_sem){++++}-{0:0}, at: ldsem_down_read+0x3c/0x4c drivers/tty/tty_ldsem.c:340
 #1: ffff80009b5be2f0 (&ldata->atomic_read_lock){+.+.}-{4:4}, at: n_tty_read+0x34c/0xfa0 drivers/tty/n_tty.c:2222
1 lock held by syz-executor/6478:
2 locks held by syz-executor/6491:
 #0: ffff80008fc26ea8 (bio_slab_lock){+.+.}-{4:4}, at: bio_put_slab block/bio.c:140 [inline]
 #0: ffff80008fc26ea8 (bio_slab_lock){+.+.}-{4:4}, at: bioset_exit+0x1f8/0x3dc block/bio.c:1664
 #1: ffff80008f50e300 (rcu_state.barrier_mutex){+.+.}-{4:4}, at: rcu_barrier+0x58/0x528 kernel/rcu/tree.c:3774
10 locks held by syz-executor/6517:
4 locks held by kworker/1:4/6540:
 #0: ffff0000c0028d48 ((wq_completion)events){+.+.}-{0:0}, at: process_one_work+0x658/0x156c kernel/workqueue.c:3212
 #1: ffff8000a29f7bc0 (reg_work){+.+.}-{0:0}, at: process_one_work+0x6ec/0x156c kernel/workqueue.c:3212
 #2: ffff80009248e928 (rtnl_mutex){+.+.}-{4:4}, at: rtnl_lock+0x20/0x2c net/core/rtnetlink.c:80
 #3: ffff0000ce970768 (&rdev->wiphy.mtx){+.+.}-{4:4}, at: class_wiphy_constructor include/net/cfg80211.h:6092 [inline]
 #3: ffff0000ce970768 (&rdev->wiphy.mtx){+.+.}-{4:4}, at: reg_process_self_managed_hints+0xc4/0x1c0 net/wireless/reg.c:3209
3 locks held by kworker/u8:11/6827:
3 locks held by kworker/u8:12/6828:
3 locks held by kworker/u8:13/6829:
3 locks held by kworker/u8:16/6832:
3 locks held by kworker/u8:18/6834:
2 locks held by kworker/u8:19/6836:
3 locks held by kworker/u8:21/6838:
3 locks held by kworker/u8:22/6840:
3 locks held by kworker/u8:23/6841:
3 locks held by kworker/u8:24/6842:
3 locks held by kworker/u8:25/6843:
3 locks held by kworker/u8:26/6845: