From: Karel Zak <kzak@redhat.com>
Date: Tue, 18 Feb 2025 09:50:45 +0000 (+0100)
Subject: sfdisk: make sure partition number > 0 [coverity scan]
X-Git-Tag: v2.42-start~41
X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=655099a8615809176b012987fe9ff9a91968cd24;p=thirdparty%2Futil-linux.git

sfdisk: make sure partition number > 0 [coverity scan]

Signed-off-by: Karel Zak <kzak@redhat.com>
---

diff --git a/disk-utils/sfdisk.c b/disk-utils/sfdisk.c
index d8261c442..94ef6d015 100644
--- a/disk-utils/sfdisk.c
+++ b/disk-utils/sfdisk.c
@@ -1010,6 +1010,8 @@ static int command_delete(struct sfdisk *sf, int argc, char **argv)
 		for (i = 1; i < (size_t) argc; i++) {
 			size_t n = strtou32_or_err(argv[i], _("failed to parse partition number"));
 
+			if (n == 0)
+				errx(EXIT_FAILURE, _("partition number must be a positive number"));
 			if (fdisk_delete_partition(sf->cxt, n - 1) != 0)
 				errx(EXIT_FAILURE, _("%s: partition %zu: failed to delete"), devname, n);
 		}