diff options
Diffstat (limited to 'scripts')
| -rw-r--r-- | scripts/mod/modpost.c | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/scripts/mod/modpost.c b/scripts/mod/modpost.c index 12d3db3bd46b..d583c98fde31 100644 --- a/scripts/mod/modpost.c +++ b/scripts/mod/modpost.c @@ -2133,6 +2133,11 @@ static void add_staging_flag(struct buffer *b, const char *name) buf_printf(b, "\nMODULE_INFO(staging, \"Y\");\n"); } +/* In kernel, this size is defined in linux/module.h; + * here we use Elf_Addr instead of long for covering cross-compile + */ +#define MODULE_NAME_LEN (64 - sizeof(Elf_Addr)) + /** * Record CRCs for unresolved symbols **/ @@ -2177,6 +2182,12 @@ static int add_versions(struct buffer *b, struct module *mod) s->name, mod->name); continue; } + if (strlen(s->name) >= MODULE_NAME_LEN) { + merror("too long symbol \"%s\" [%s.ko]\n", + s->name, mod->name); + err = 1; + break; + } buf_printf(b, "\t{ %#8x, __VMLINUX_SYMBOL_STR(%s) },\n", s->crc, s->name); } |