Commit 666ab414 authored by Andi Kleen's avatar Andi Kleen Committed by Sam Ravnborg

kbuild: fix a buffer overflow in modpost

When passing an file name > 1k the stack could be overflowed.
Not really a security issue, but still better plugged.
Signed-off-by: default avatarAndi Kleen <ak@suse.de>
Signed-off-by: default avatarSam Ravnborg <sam@ravnborg.org>
parent 58b7a68d
No related merge requests found
......@@ -1656,7 +1656,6 @@ int main(int argc, char **argv)
{
struct module *mod;
struct buffer buf = { };
char fname[SZ];
char *kernel_read = NULL, *module_read = NULL;
char *dump_write = NULL;
int opt;
......@@ -1709,6 +1708,8 @@ int main(int argc, char **argv)
err = 0;
for (mod = modules; mod; mod = mod->next) {
char fname[strlen(mod->name) + 10];
if (mod->skip)
continue;
......
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