INFO: task syz-executor.4:18077 blocked for more than 143 seconds.
      Not tainted 6.10.0-rc2-syzkaller-00097-g2df0193e62cf #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.4  state:D stack:27568 pid:18077 tgid:18076 ppid:16510  flags:0x00004006
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5408 [inline]
 __schedule+0xf15/0x5d00 kernel/sched/core.c:6745
 __schedule_loop kernel/sched/core.c:6822 [inline]
 schedule+0xe7/0x350 kernel/sched/core.c:6837
 schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:6894
 __mutex_lock_common kernel/locking/mutex.c:684 [inline]
 __mutex_lock+0x5b8/0x9c0 kernel/locking/mutex.c:752
 slip_open+0xe1/0x1140 drivers/net/slip/slip.c:803
 tty_ldisc_open+0x9c/0x120 drivers/tty/tty_ldisc.c:432
 tty_set_ldisc+0x318/0x720 drivers/tty/tty_ldisc.c:563
 tiocsetd drivers/tty/tty_io.c:2439 [inline]
 tty_ioctl+0xbdc/0x15f0 drivers/tty/tty_io.c:2739
 vfs_ioctl fs/ioctl.c:51 [inline]
 __do_sys_ioctl fs/ioctl.c:907 [inline]
 __se_sys_ioctl fs/ioctl.c:893 [inline]
 __x64_sys_ioctl+0x193/0x220 fs/ioctl.c:893
 do_syscall_x64 arch/x86/entry/common.c:52 [inline]
 do_syscall_64+0xcd/0x250 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f36b327cf69
RSP: 002b:00007f36b408c0c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 00007f36b33b3f80 RCX: 00007f36b327cf69
RDX: 0000000020000040 RSI: 0000000000005423 RDI: 0000000000000003
RBP: 00007f36b32da6fe R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 000000000000000b R14: 00007f36b33b3f80 R15: 00007ffda3977e78
 </TASK>
INFO: task syz-executor.4:18080 blocked for more than 144 seconds.
      Not tainted 6.10.0-rc2-syzkaller-00097-g2df0193e62cf #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.4  state:D stack:26000 pid:18080 tgid:18076 ppid:16510  flags:0x00000006
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5408 [inline]
 __schedule+0xf15/0x5d00 kernel/sched/core.c:6745
 __schedule_loop kernel/sched/core.c:6822 [inline]
 schedule+0xe7/0x350 kernel/sched/core.c:6837
 schedule_timeout+0x258/0x2a0 kernel/time/timer.c:2557
 down_read_failed drivers/tty/tty_ldsem.c:200 [inline]
 __ldsem_down_read_nested+0x406/0x930 drivers/tty/tty_ldsem.c:305