| 1 | // SPDX-License-Identifier: GPL-2.0-or-later |
|---|---|
| 2 | /* |
| 3 | * Module kmemleak support |
| 4 | * |
| 5 | * Copyright (C) 2009 Catalin Marinas |
| 6 | */ |
| 7 | |
| 8 | #include <linux/module.h> |
| 9 | #include <linux/kmemleak.h> |
| 10 | #include "internal.h" |
| 11 | |
| 12 | void kmemleak_load_module(const struct module *mod, |
| 13 | const struct load_info *info) |
| 14 | { |
| 15 | unsigned int i; |
| 16 | |
| 17 | /* only scan the sections containing data */ |
| 18 | kmemleak_scan_area(ptr: mod, size: sizeof(struct module), GFP_KERNEL); |
| 19 | |
| 20 | for (i = 1; i < info->hdr->e_shnum; i++) { |
| 21 | /* Scan all writable sections that's not executable */ |
| 22 | if (!(info->sechdrs[i].sh_flags & SHF_ALLOC) || |
| 23 | !(info->sechdrs[i].sh_flags & SHF_WRITE) || |
| 24 | (info->sechdrs[i].sh_flags & SHF_EXECINSTR)) |
| 25 | continue; |
| 26 | |
| 27 | kmemleak_scan_area(ptr: (void *)info->sechdrs[i].sh_addr, |
| 28 | size: info->sechdrs[i].sh_size, GFP_KERNEL); |
| 29 | } |
| 30 | } |
| 31 |