From 3ea4705086b9b26a4acde7e83eb05be248ade503 Mon Sep 17 00:00:00 2001 From: David Oberhollenzer Date: Sat, 25 Jan 2020 14:46:31 +0100 Subject: mtd-utils: Add checks to code that copies strings into fixed sized buffers Signed-off-by: David Oberhollenzer --- ubi-utils/ubirename.c | 7 +++++++ 1 file changed, 7 insertions(+) (limited to 'ubi-utils') diff --git a/ubi-utils/ubirename.c b/ubi-utils/ubirename.c index f88ef82..97bf030 100644 --- a/ubi-utils/ubirename.c +++ b/ubi-utils/ubirename.c @@ -126,6 +126,13 @@ int main(int argc, char * const argv[]) rnvol.ents[count].vol_id = err; rnvol.ents[count].name_len = strlen(argv[i + 1]); + + if (rnvol.ents[count].name_len >= + sizeof(rnvol.ents[count].name)) { + errmsg("\"%s\" volume name too long", argv[i + 1]); + goto out_libubi; + } + strcpy(rnvol.ents[count++].name, argv[i + 1]); } -- cgit v1.2.3