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authorDavid Oberhollenzer <david.oberhollenzer@sigma-star.at>2020-01-25 14:39:08 +0100
committerDavid Oberhollenzer <david.oberhollenzer@sigma-star.at>2020-02-09 22:13:18 +0100
commitdcfd984d8e09db9d5a7b4d121d914442966c254f (patch)
treeb5807cd38c839423d8344596ddb77df6ce027b11 /misc-utils
parent83c675ac9aed767e4431a5bbc25f3ccd7f77cf84 (diff)
mtd-utils: Fix potentially unterminated strings
This commit fixes some uses of strncpy that could leave the destination buffer unterminated. Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>
Diffstat (limited to 'misc-utils')
-rw-r--r--misc-utils/mtdpart.c4
1 files changed, 3 insertions, 1 deletions
diff --git a/misc-utils/mtdpart.c b/misc-utils/mtdpart.c
index e480e1b..ba35d87 100644
--- a/misc-utils/mtdpart.c
+++ b/misc-utils/mtdpart.c
@@ -174,7 +174,9 @@ int main(int argc, char * const argv[])
case COMMAND_ADD:
part.start = start_addr;
part.length = length;
- strncpy(part.devname, part_name, sizeof(part.devname));
+ strncpy(part.devname, part_name,
+ sizeof(part.devname) - 1);
+ part.devname[sizeof(part.devname) - 1] = '\0';
arg.op = BLKPG_ADD_PARTITION;
break;
case COMMAND_DEL: