INFO: task syz-executor.1:13160 blocked for more than 143 seconds.
      Not tainted 6.10.0-rc2-next-20240607-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.1  state:D stack:26144 pid:13160 tgid:13159 ppid:11516  flags:0x00004006
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5192 [inline]
 __schedule+0x17e8/0x4a20 kernel/sched/core.c:6529
 __schedule_loop kernel/sched/core.c:6606 [inline]
 schedule+0x14b/0x320 kernel/sched/core.c:6621
 schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:6678
 __mutex_lock_common kernel/locking/mutex.c:684 [inline]
 __mutex_lock+0x6a4/0xd70 kernel/locking/mutex.c:752
 ldisc_open+0x4a0/0x800 drivers/net/caif/caif_serial.c:350
 tty_ldisc_open+0xa6/0x110 drivers/tty/tty_ldisc.c:432
 tty_set_ldisc+0x389/0x560 drivers/tty/tty_ldisc.c:563
 tty_ioctl+0xbdc/0xdc0 drivers/tty/tty_io.c:2739
 vfs_ioctl fs/ioctl.c:51 [inline]
 __do_sys_ioctl fs/ioctl.c:907 [inline]
 __se_sys_ioctl+0xfc/0x170 fs/ioctl.c:893
 do_syscall_x64 arch/x86/entry/common.c:52 [inline]
 do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fc5afc7cf69
RSP: 002b:00007fc5b09920c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 00007fc5afdb3f80 RCX: 00007fc5afc7cf69
RDX: 0000000020000040 RSI: 0000000000005423 RDI: 0000000000000003
RBP: 00007fc5afcda6fe R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 000000000000000b R14: 00007fc5afdb3f80 R15: 00007fffc7d581b8
 </TASK>
INFO: task syz-executor.1:13161 blocked for more than 143 seconds.
      Not tainted 6.10.0-rc2-next-20240607-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.1  state:D stack:28560 pid:13161 tgid:13159 ppid:11516  flags:0x00000006
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5192 [inline]
 __schedule+0x17e8/0x4a20 kernel/sched/core.c:6529
 __schedule_loop kernel/sched/core.c:6606 [inline]
 schedule+0x14b/0x320 kernel/sched/core.c:6621
 schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:6678
 __mutex_lock_common kernel/locking/mutex.c:684 [inline]
 __mutex_lock+0x6a4/0xd70 kernel/locking/mutex.c:752
 __tty_hangup+0xcc/0x6c0 drivers/tty/tty_io.c:590
 tty_vhangup drivers/tty/tty_io.c:700 [inline]
 tty_ioctl+0x730/0xdc0 drivers/tty/tty_io.c:2743
 vfs_ioctl fs/ioctl.c:51 [inline]
 __do_sys_ioctl fs/ioctl.c:907 [inline]
 __se_sys_ioctl+0xfc/0x170 fs/ioctl.c:893