When passing an file name > 1k the stack could be overflowed.
Not really a security issue, but still better plugged.
---
scripts/mod/modpost.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
Index: linux/scripts/mod/modpost.c
===================================================================
--- linux.orig/scripts/mod/modpost.c
+++ linux/scripts/mod/modpost.c
@@ -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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