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From: Peter Mamonov <pmamonov@gmail.com>
To: s.hauer@pengutronix.de
Cc: barebox@lists.infradead.org, Peter Mamonov <pmamonov@gmail.com>
Subject: [PATCH v2 2/3] lib: parse_area_spec: part of the area spec after -/+ should start with a digit
Date: Mon, 15 Jan 2018 14:32:32 +0300	[thread overview]
Message-ID: <20180115113233.30610-2-pmamonov@gmail.com> (raw)
In-Reply-To: <20180115113233.30610-1-pmamonov@gmail.com>

Signed-off-by: Peter Mamonov <pmamonov@gmail.com>
---
 lib/misc.c | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/lib/misc.c b/lib/misc.c
index 1767043d1..fc2c45aa4 100644
--- a/lib/misc.c
+++ b/lib/misc.c
@@ -96,6 +96,9 @@ int parse_area_spec(const char *str, loff_t *start, loff_t *size)
 
 	if (*str == '-') {
 		/* beginning and end given */
+		if (!isdigit(*(str + 1)))
+			return -1;
+
 		end = strtoull_suffix(str + 1, NULL, 0);
 		if (end < *start) {
 			printf("end < start\n");
@@ -107,6 +110,9 @@ int parse_area_spec(const char *str, loff_t *start, loff_t *size)
 
 	if (*str == '+') {
 		/* beginning and size given */
+		if (!isdigit(*(str + 1)))
+			return -1;
+
 		*size = strtoull_suffix(str + 1, NULL, 0);
 		goto success;
 	}
-- 
2.11.0


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  reply	other threads:[~2018-01-15 11:33 UTC|newest]

Thread overview: 13+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2017-12-20 10:48 command: hashsum: md5sum reports wrong sum for the file named 4k.bin Peter Mamonov
2017-12-21 10:48 ` Peter Mamonov
2018-01-05 11:44   ` Sascha Hauer
2018-01-05 18:17     ` Peter Mamonov
2018-01-09 11:10       ` Sascha Hauer
2018-01-09 14:21         ` [PATCH] lib: parse_area_spec: don't modify *start and *size values if parse failed Peter Mamonov
2018-01-11  8:15           ` Sascha Hauer
2018-01-11 17:28             ` Peter Mamonov
2018-01-15 11:32             ` [PATCH v2 1/3] lib: parse_area_spec: don't modify *start value " Peter Mamonov
2018-01-15 11:32               ` Peter Mamonov [this message]
2018-01-15 11:32               ` [PATCH v2 3/3] lib: parse_area_spec: no extra symbols after area spec are allowed except for spaces Peter Mamonov
2018-01-17  8:11               ` [PATCH v2 1/3] lib: parse_area_spec: don't modify *start value if parse failed Sascha Hauer
2018-01-17  9:31                 ` Peter Mamonov

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