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kill: fix segfault in arguments parsing

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Signed-off-by: Alexey Fomenko <ext-alexey.fomenko@nokia.com>
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
This commit is contained in:
Alexey Fomenko 2011-12-22 11:38:57 +01:00 committed by Denys Vlasenko
parent 83f103b30e
commit 6a93212b54
1 changed files with 7 additions and 4 deletions
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11
procps/kill.c
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@ -165,13 +165,15 @@ int kill_main(int argc, char **argv)
/* Stop all processes */
kill(-1, SIGSTOP);
/* Signal all processes except those in our session */
while ((p = procps_scan(p, PSSCAN_PID|PSSCAN_SID))) {
while ((p = procps_scan(p, PSSCAN_PID|PSSCAN_SID)) != NULL) {
int i;
if (p->sid == (unsigned)sid
|| p->pid == (unsigned)pid
|| p->pid == 1)
|| p->pid == 1
) {
continue;
}
/* All remaining args must be -o PID options.
* Check p->pid against them. */
@ -255,9 +257,10 @@ int kill_main(int argc, char **argv)
pid = bb_strtoi(arg, &end, 10);
if (errno && (errno != EINVAL || *end != ' ')) {
bb_error_msg("invalid number '%s'", arg);
*end = '\0';
errors++;
} else if (kill(pid, signo) != 0) {
break;
}
if (kill(pid, signo) != 0) {
bb_perror_msg("can't kill pid %d", (int)pid);
errors++;
}