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-rw-r--r--kernel/module.c13
1 files changed, 8 insertions, 5 deletions
diff --git a/kernel/module.c b/kernel/module.c
index a65dc787a27b..e96b8ed1cb6a 100644
--- a/kernel/module.c
+++ b/kernel/module.c
@@ -1910,9 +1910,7 @@ static void kmemleak_load_module(struct module *mod, Elf_Ehdr *hdr,
1910 unsigned int i; 1910 unsigned int i;
1911 1911
1912 /* only scan the sections containing data */ 1912 /* only scan the sections containing data */
1913 kmemleak_scan_area(mod->module_core, (unsigned long)mod - 1913 kmemleak_scan_area(mod, sizeof(struct module), GFP_KERNEL);
1914 (unsigned long)mod->module_core,
1915 sizeof(struct module), GFP_KERNEL);
1916 1914
1917 for (i = 1; i < hdr->e_shnum; i++) { 1915 for (i = 1; i < hdr->e_shnum; i++) {
1918 if (!(sechdrs[i].sh_flags & SHF_ALLOC)) 1916 if (!(sechdrs[i].sh_flags & SHF_ALLOC))
@@ -1921,8 +1919,7 @@ static void kmemleak_load_module(struct module *mod, Elf_Ehdr *hdr,
1921 && strncmp(secstrings + sechdrs[i].sh_name, ".bss", 4) != 0) 1919 && strncmp(secstrings + sechdrs[i].sh_name, ".bss", 4) != 0)
1922 continue; 1920 continue;
1923 1921
1924 kmemleak_scan_area(mod->module_core, sechdrs[i].sh_addr - 1922 kmemleak_scan_area((void *)sechdrs[i].sh_addr,
1925 (unsigned long)mod->module_core,
1926 sechdrs[i].sh_size, GFP_KERNEL); 1923 sechdrs[i].sh_size, GFP_KERNEL);
1927 } 1924 }
1928} 1925}
@@ -2250,6 +2247,12 @@ static noinline struct module *load_module(void __user *umod,
2250 "_ftrace_events", 2247 "_ftrace_events",
2251 sizeof(*mod->trace_events), 2248 sizeof(*mod->trace_events),
2252 &mod->num_trace_events); 2249 &mod->num_trace_events);
2250 /*
2251 * This section contains pointers to allocated objects in the trace
2252 * code and not scanning it leads to false positives.
2253 */
2254 kmemleak_scan_area(mod->trace_events, sizeof(*mod->trace_events) *
2255 mod->num_trace_events, GFP_KERNEL);
2253#endif 2256#endif
2254#ifdef CONFIG_FTRACE_MCOUNT_RECORD 2257#ifdef CONFIG_FTRACE_MCOUNT_RECORD
2255 /* sechdrs[0].sh_size is always zero */ 2258 /* sechdrs[0].sh_size is always zero */