On Tue, Apr 04, 2017 at 07:31:59PM +0200, Seraphime Kirkovski wrote: > GCC7 complains about a possible overflow/truncation in xenlockprof. > > xenlockprof.c: In function ‘main’: > xenlockprof.c:100:53: error: ‘%s’ directive writing up to 39 bytes into a > region of size between 17 and 37 > [-Werror=format-overflow=] > sprintf(name, "unknown type(%d) %d lock %s", data[j].type, > ^~ > xenlockprof.c:100:13: note: ‘sprintf’ output between 24 and 83 bytes > into a destination of size 60 > sprintf(name, "unknown type(%d) %d lock %s", data[j].type, > ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ > data[j].idx, data[j].name); > ~~~~~~~~~~~~~~~~~~~~~~~~~~ > > This increases the size of name to 100. Not the most scalable solution, > but certainly the "cheapest", as it doesn't add dependencies for > asprintf. > > Signed-off-by: Seraphime Kirkovski <kirkser...@gmail.com>
Acked-by: Wei Liu <wei.l...@citrix.com> _______________________________________________ Xen-devel mailing list Xen-devel@lists.xen.org https://lists.xen.org/xen-devel
