INFO: task syz-executor.7:4625 blocked for more than 143 seconds.
      Not tainted 6.16.0-rc6-next-20250718 #1
      Blocked by coredump.
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.7  state:D stack:27376 pid:4625  tgid:4620  ppid:282    task_flags:0x40044c flags:0x00004004
Call Trace:
 <TASK>
 __schedule+0xe8d/0x35b0
 schedule+0xdb/0x390
 schedule_preempt_disabled+0x10/0x20
 rwsem_down_read_slowpath+0x578/0xd00
 down_read+0xec/0x470
 do_exit+0x68f/0x2970
 do_group_exit+0xd3/0x2a0
 get_signal+0x2315/0x2340
 arch_do_signal_or_restart+0x80/0x790
 exit_to_user_mode_loop+0x8b/0x100
 do_syscall_64+0x2f7/0x360
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f17cefc7b19
RSP: 002b:00007f17cc53d218 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca
RAX: fffffffffffffe00 RBX: 00007f17cf0daf68 RCX: 00007f17cefc7b19
RDX: 0000000000000000 RSI: 0000000000000080 RDI: 00007f17cf0daf68
RBP: 00007f17cf0daf60 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00007f17cf0daf6c
R13: 00007fffdcd6276f R14: 00007f17cc53d300 R15: 0000000000022000
 </TASK>
INFO: task syz-executor.7:4625 <reader> blocked on an rw-semaphore likely owned by task syz-executor.7:4635 <writer>
task:syz-executor.7  state:R  running task     stack:25896 pid:4635  tgid:4620  ppid:282    task_flags:0x400040 flags:0x00004006
Call Trace:
 <TASK>
 </TASK>

Showing all locks held in the system:
1 lock held by khungtaskd/32:
 #0: ffffffff85c1d1e0 (rcu_read_lock){....}-{1:3}, at: debug_show_all_locks+0x36/0x1c0
1 lock held by in:imklog/173:
1 lock held by syz-executor.7/4620:
 #0: ffff88801a95cb60 (&mm->mmap_lock){++++}-{4:4}, at: lock_mm_and_find_vma+0x42f/0x6f0
1 lock held by syz-executor.7/4625:
 #0: ffff88801a95cb60 (&mm->mmap_lock){++++}-{4:4}, at: do_exit+0x68f/0x2970
1 lock held by syz-executor.7/4635:
1 lock held by syz-executor.7/4637:
 #0: ffff88801a95cb60 (&mm->mmap_lock){++++}-{4:4}, at: lock_mm_and_find_vma+0x42f/0x6f0

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