From: Joshua Hudson <joshudson@gmail.com>
To: musl@lists.openwall.com
Subject: Hangup calling setuid() from vfork() child
Date: Mon, 30 Sep 2019 08:29:16 -0700 [thread overview]
Message-ID: <CA+jjjYTJ0VXOf-z4tJspza0WzK8HxXCgFJ_XGtYgOdpMh4cSew@mail.gmail.com> (raw)
If there is more than one thread and vfork() calls setuid(), musl libc hangs up.
void *thfunction(void*ig) {sleep(1000);returnNULL;}
int main()
{
pthread_t id;
pthread_create(&id, NULL, thfunction, NULL);
if (vfork() == 0) {
setuid(0); /* hangup */
_exit(0);
}
}
next reply other threads:[~2019-09-30 15:29 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-09-30 15:29 Joshua Hudson [this message]
2019-09-30 17:39 ` Markus Wichmann
2019-09-30 17:43 ` Rich Felker
2019-09-30 17:41 ` Rich Felker
2019-09-30 19:57 Joshua Hudson
2019-09-30 20:45 Joshua Hudson
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