INFO: task syz-executor.1:7103 blocked for more than 143 seconds.
      Not tainted 6.7.0-rc6-syzkaller-gaafe7ad77b91 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.1  state:D stack:0     pid:7103  tgid:7103  ppid:6139   flags:0x0000000d
Call trace:
 __switch_to+0x314/0x560 arch/arm64/kernel/process.c:556
 context_switch kernel/sched/core.c:5376 [inline]
 __schedule+0x1354/0x2360 kernel/sched/core.c:6688
 __schedule_loop kernel/sched/core.c:6763 [inline]
 schedule+0xb8/0x19c kernel/sched/core.c:6778
 coredump_task_exit+0x2a8/0x3e4 kernel/exit.c:437
 do_exit+0x1b8/0x1f64 kernel/exit.c:823
 do_group_exit+0x194/0x22c kernel/exit.c:1018
 get_signal+0x1500/0x15ec kernel/signal.c:2904
 do_signal arch/arm64/kernel/signal.c:1249 [inline]
 do_notify_resume+0x3bc/0x393c arch/arm64/kernel/signal.c:1302
 exit_to_user_mode_prepare arch/arm64/kernel/entry-common.c:137 [inline]
 exit_to_user_mode arch/arm64/kernel/entry-common.c:144 [inline]
 el0_svc+0x9c/0x158 arch/arm64/kernel/entry-common.c:679
 el0t_64_sync_handler+0x84/0xfc arch/arm64/kernel/entry-common.c:696
 el0t_64_sync+0x190/0x194 arch/arm64/kernel/entry.S:595
INFO: task syz-executor.1:7105 blocked for more than 143 seconds.
      Not tainted 6.7.0-rc6-syzkaller-gaafe7ad77b91 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.1  state:D stack:0     pid:7105  tgid:7103  ppid:6139   flags:0x0000000d
Call trace:
 __switch_to+0x314/0x560 arch/arm64/kernel/process.c:556
 context_switch kernel/sched/core.c:5376 [inline]
 __schedule+0x1354/0x2360 kernel/sched/core.c:6688
 __schedule_loop kernel/sched/core.c:6763 [inline]
 schedule+0xb8/0x19c kernel/sched/core.c:6778
 schedule_timeout+0xb8/0x348 kernel/time/timer.c:2143
 do_wait_for_common+0x30c/0x468 kernel/sched/completion.c:95
 __wait_for_common kernel/sched/completion.c:116 [inline]
 wait_for_common kernel/sched/completion.c:127 [inline]
 wait_for_completion_state+0x50/0x7c kernel/sched/completion.c:264
 coredump_wait fs/coredump.c:414 [inline]
 do_coredump+0x85c/0x23cc fs/coredump.c:571
 get_signal+0xfec/0x15ec kernel/signal.c:2890
 do_signal arch/arm64/kernel/signal.c:1249 [inline]
 do_notify_resume+0x3bc/0x393c arch/arm64/kernel/signal.c:1302
 exit_to_user_mode_prepare arch/arm64/kernel/entry-common.c:137 [inline]
 exit_to_user_mode arch/arm64/kernel/entry-common.c:144 [inline]
 el0_svc+0x9c/0x158 arch/arm64/kernel/entry-common.c:679
 el0t_64_sync_handler+0x84/0xfc arch/arm64/kernel/entry-common.c:696
 el0t_64_sync+0x190/0x194 arch/arm64/kernel/entry.S:595

Showing all locks held in the system:
1 lock held by khungtaskd/29:
 #0: ffff80008e6c48c0 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0xc/0x44 include/linux/rcupdate.h:300
3 locks held by kworker/u4:2/40:
2 locks held by getty/5860:
 #0: ffff0000d24d50a0 (&tty->ldisc_sem){++++}-{0:0}, at: ldsem_down_read+0x3c/0x4c drivers/tty/tty_ldsem.c:340
 #1: ffff800094e802f0 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x41c/0x1228 drivers/tty/n_tty.c:2201
3 locks held by kworker/u4:44/7586:
 #0: ffff0000c18a4138 ((wq_completion)netns){+.+.}-{0:0}, at: process_one_work+0x560/0x1204 kernel/workqueue.c:2600
 #1: ffff80009b4c7c20 (net_cleanup_work){+.+.}-{0:0}, at: process_one_work+0x5a0/0x1204 kernel/workqueue.c:2602
 #2: ffff800090f64010 (pernet_ops_rwsem){++++}-{3:3}, at: cleanup_net+0xf4/0x8d0 net/core/net_namespace.c:576

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