psmisc/backport-0003-killall-minor-str-length-changes.patch
2020-11-03 16:08:43 +08:00

42 lines
1.2 KiB
Diff

From 8df09a2792712a8852d637d07902896784721228 Mon Sep 17 00:00:00 2001
From: Craig Small <csmall@dropbear.xyz>
Date: Mon, 2 Mar 2020 21:56:02 +1100
Subject: [PATCH 09/20] killall: minor str length changes
reworked some of the string handling to check for strchr and
strrchr return values. Removed check for unsigned to be negative,
that's not going to happen!
References:
Coverity 288525
https://gitlab.com/psmisc/psmisc/-/commit/8df09a2792712a8852d637d07902896784721228
---
src/killall.c | 9 +++++----
1 file changed, 5 insertions(+), 4 deletions(-)
diff --git a/src/killall.c b/src/killall.c
index 557fa51..524760b 100644
--- a/src/killall.c
+++ b/src/killall.c
@@ -345,11 +345,12 @@ load_process_name_and_age(char *comm, double *process_age_sec,
return -1;
}
fclose(file);
- startcomm = strchr(buf, '(') + 1;
- endcomm = strrchr(startcomm, ')');
+ if ( NULL == ( startcomm = strchr(buf, '(')))
+ return -1;
+ startcomm++;
+ if ( NULL == ( endcomm = strrchr(startcomm, ')')))
+ return -1;
lencomm = endcomm - startcomm;
- if (lencomm < 0)
- lencomm = 0;
if (lencomm > COMM_LEN -1)
lencomm = COMM_LEN -1;
strncpy(comm, startcomm, lencomm);
--
2.22.0.windows.1