From: Jakub Wilk <jwilk@jwilk.net>
Date: Thu, 29 Jun 2023 18:11:41 +0000 (+0200)
Subject: prlimit: reject trailing junk in limits without ":"
X-Git-Tag: v2.40-rc1~357
X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=a753fb6520e4e7b860e1bbd108bda1fba3c5c1b6;p=thirdparty%2Futil-linux.git

prlimit: reject trailing junk in limits without ":"

Before:

    $ prlimit --verbose --core=1x
    New CORE limit for pid 42: <1:1>

After:

    $ prlimit --verbose --core=1x
    prlimit: failed to parse CORE limit

Signed-off-by: Jakub Wilk <jwilk@jwilk.net>
---

diff --git a/sys-utils/prlimit.c b/sys-utils/prlimit.c
index e067c8cd76..a8f633d835 100644
--- a/sys-utils/prlimit.c
+++ b/sys-utils/prlimit.c
@@ -455,8 +455,10 @@ static int get_range(char *str, rlim_t *soft, rlim_t *hard, int *found)
 		}
 		*found |= PRLIMIT_SOFT | PRLIMIT_HARD;
 
-	} else						/* <value> */
+	} else if (!*end)				/* <value> */
 		*found |= PRLIMIT_SOFT | PRLIMIT_HARD;
+	else
+		return -1;
 
 	return 0;
 }