Re: [RFC] SIGKILL vs. SIGSEGV on late execve() failures
Date: Fri Feb 15 2013 - 19:54:18 EST
On Fri, Feb 15, 2013 at 4:38 PM, Shentino <shentino@xxxxxxxxx> wrote:
> On Fri, Feb 15, 2013 at 4:04 PM, Al Viro <viro@xxxxxxxxxxxxxxxxxx> wrote:
>> How would you manage to have it masked at that point? setup_new_exec()
>> is inevitable after success of flush_old_exec() and it will do
>> flush_signal_handlers() for us.
> I wouldn't know for sure but I read somewhere that even if execve
> resets handled signals, it didn't also say that ignored signals were
> also reset. (Source: execve man page.)
Also, apologies for the terminology mix-up. By masked, I mean that
the signal was ignored as directed by userspace a-la signal(SIGSEGV,
Plus I *think* that signal ignore masks are preserved across an exec.
Again, I might just be a clueless newbie here.
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