Re: [LTP] [PATCH 1/3] lib: Avoid loop_info.lo_name buffer overflow

Andrea Cervesato via ltp <[email protected]> Tue, 28 Jul 2026 14:19:24 +0000

Newsgroups	it.linux.lists.ltp
Message-ID	<[email protected]>

Hi Petr,

> I suppose strncpy() is recommended as safer alternative to strcpy(),
> right? Shouldn't we check for strlen(file) is not longer than
> sizeof(loopinfo.lo_name) -1 while we are at it?

we don't need to check for strlen(file) because strncpy() copy
min(strlen(loopinfo.lo_name), strlen(file)) chars at max.

--
Andrea Cervesato
SUSE QE Automation Engineer Linux
[email protected]

-- 
Mailing list info: https://lists.linux.it/listinfo/ltp