diff options
| -rw-r--r-- | kernel/module.c | 10 |
1 files changed, 8 insertions, 2 deletions
diff --git a/kernel/module.c b/kernel/module.c index 1c5cff34d9f2..2c00059ac1c9 100644 --- a/kernel/module.c +++ b/kernel/module.c @@ -2096,8 +2096,11 @@ static int module_enforce_rwx_sections(Elf_Ehdr *hdr, Elf_Shdr *sechdrs, int i; for (i = 0; i < hdr->e_shnum; i++) { - if ((sechdrs[i].sh_flags & shf_wx) == shf_wx) + if ((sechdrs[i].sh_flags & shf_wx) == shf_wx) { + pr_err("%s: section %s (index %d) has invalid WRITE|EXEC flags\n", + mod->name, secstrings + sechdrs[i].sh_name, i); return -ENOEXEC; + } } return 0; @@ -3825,8 +3828,10 @@ static int load_module(struct load_info *info, const char __user *uargs, char *after_dashes; err = elf_header_check(info); - if (err) + if (err) { + pr_err("Module has invalid ELF header\n"); goto free_copy; + } err = setup_load_info(info, flags); if (err) @@ -3834,6 +3839,7 @@ static int load_module(struct load_info *info, const char __user *uargs, if (blacklisted(info->name)) { err = -EPERM; + pr_err("Module %s is blacklisted\n", info->name); goto free_copy; } |