[PATCH] fs:Fix kmemleak leak warning in getname_flags about working on unitialized memory

[Nicholas Krause <xerofoify@gmail.com>]

This fixes a kmemleak leak warning complaining about working on
unitializied memory as found in the function, getname_flages. Seems
that we are indeed working on unitialized memory, as the filename
char pointer is never made to point to the filname structure's result
member for holding it's name, fix this by using memcpy to copy the
filname structure pointer's, name to the char pointer passed to this
function.

Signed-off-by: Nicholas Krause <xerofoify@gmail.com>
---
 fs/namei.c         | 1 +
 mm/early_ioremap.c | 1 +
 2 files changed, 2 insertions(+)

diff --git a/fs/namei.c b/fs/namei.c
index c386a32..6b18d57 100644
--- a/fs/namei.c
+++ b/fs/namei.c
@@ -196,6 +196,7 @@ getname_flags(const char __user *filename, int flags, int *empty)
 		}
 	}
 
+	memcpy((char *)result->name, filename, len);
 	result->uptr = filename;
 	result->aname = NULL;
 	audit_getname(result);
diff --git a/mm/early_ioremap.c b/mm/early_ioremap.c
index 6d5717b..92c5235 100644
--- a/mm/early_ioremap.c
+++ b/mm/early_ioremap.c
@@ -215,6 +215,7 @@ early_ioremap(resource_size_t phys_addr, unsigned long size)
 void __init *
 early_memremap(resource_size_t phys_addr, unsigned long size)
 {
+	dump_stack();
 	return (__force void *)__early_ioremap(phys_addr, size,
 					       FIXMAP_PAGE_NORMAL);
 }
-- 
2.7.4

--
To unsubscribe, send a message with 'unsubscribe linux-mm' in
the body to majordomo@kvack.org.  For more info on Linux MM,
see: http://www.linux-mm.org/ .
Don't email: <a href=mailto:"dont@kvack.org"> email@kvack.org </a>