[PATCH 4.0 148/148] fs/binfmt_elf.c:load_elf_binary(): return -EINVAL on zero-length mappings

From: Greg Kroah-Hartman
Date: Wed Jun 03 2015 - 08:26:07 EST


4.0-stable review patch. If anyone has any objections, please let me know.

------------------

From: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>

commit 2b1d3ae940acd11be44c6eced5873d47c2e00ffa upstream.

load_elf_binary() returns `retval', not `error'.

Fixes: a87938b2e246b81b4fb ("fs/binfmt_elf.c: fix bug in loading of PIE binaries")
Reported-by: James Hogan <james.hogan@xxxxxxxxxx>
Cc: Michael Davidson <md@xxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
Signed-off-by: Linus Torvalds <torvalds@xxxxxxxxxxxxxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>

---
fs/binfmt_elf.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

--- a/fs/binfmt_elf.c
+++ b/fs/binfmt_elf.c
@@ -928,7 +928,7 @@ static int load_elf_binary(struct linux_
total_size = total_mapping_size(elf_phdata,
loc->elf_ex.e_phnum);
if (!total_size) {
- error = -EINVAL;
+ retval = -EINVAL;
goto out_free_dentry;
}
}


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