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

> 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.

I mean if file is longer, then only part will be copied and following ioctl()
will fail, right? Therefore warning about too long name would help.

Kind regards,
Petr

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