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fix double free of pidfile

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This fixes a double free of the pidfile variable. For discussion of this
issue, see the bug.

X-Gentoo-Bug: 531600
X-Gentoo-Bug-URL: https://bugs.gentoo.org/show_bug.cgi?id=531600
This commit is contained in:
Doug Freed 2015-01-12 09:10:29 -06:00 committed by William Hubbs
parent 6a9679377f
commit 74478830a8
1 changed files with 6 additions and 8 deletions
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10
src/librc/librc-daemon.c
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@ -560,22 +560,20 @@ rc_service_daemons_crashed(const char *service)
spidfile = xmalloc(strlen(ch_root) + strlen(pidfile) + 1); spidfile = xmalloc(strlen(ch_root) + strlen(pidfile) + 1);
strcpy(spidfile, ch_root); strcpy(spidfile, ch_root);
strcat(spidfile, pidfile); strcat(spidfile, pidfile);
free(pidfile);
pidfile = spidfile;
} }
pid = 0; pid = 0;
if (spidfile) { if (pidfile) {
retval = true; retval = true;
if ((fp = fopen(spidfile, "r"))) { if ((fp = fopen(pidfile, "r"))) {
if (fscanf(fp, "%d", &pid) == 1) if (fscanf(fp, "%d", &pid) == 1)
retval = false; retval = false;
fclose(fp); fclose(fp);
} }
free(spidfile);
spidfile = NULL;
if (ch_root) {
free(pidfile); free(pidfile);
pidfile = NULL; pidfile = NULL;
}
/* We have the pid, so no need to match /* We have the pid, so no need to match
on exec or name */ on exec or name */