Sorry for delay,

On 05/12, Jiri Slaby wrote:

We currently access current->comm directly. As we have
prctl(PR_SET_NAME), we need the access be protected by task_lock. This
is exactly what get_task_comm does, so use it.

I'm not 100% convinced prctl(PR_SET_NAME) may be called at the time of
core dump,

It can't be called. Apart from current, a sub-thread can change ->comm[]
via /proc/pid/comm, but we already killed all threads.

but the locking won't hurt.

Agreed, the patch looks correct. but still unneeded.

Oleg.

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