+ elf-dont-free-interpreters-elf-pheaders-on-common-path.patch added to -mm tree

+ elf-dont-free-interpreters-elf-pheaders-on-common-path.patch added to -mm tree

[akpm]

The patch titled
     Subject: fs/binfmt_elf.c: don't free interpreter's ELF pheaders on common path
has been added to the -mm tree.  Its filename is
     elf-dont-free-interpreters-elf-pheaders-on-common-path.patch

This patch should soon appear at
    http://ozlabs.org/~akpm/mmots/broken-out/elf-dont-free-interpreters-elf-pheaders-on-common-path.patch
and later at
    http://ozlabs.org/~akpm/mmotm/broken-out/elf-dont-free-interpreters-elf-pheaders-on-common-path.patch

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------------------------------------------------------
From: Alexey Dobriyan <adobriyan@gmail.com>
Subject: fs/binfmt_elf.c: don't free interpreter's ELF pheaders on common path

Static executables don't need to free NULL pointer.

It doesn't matter really because static executable is not common scenario
but do it anyway out of pedantry.

Link: http://lkml.kernel.org/r/20200219185330.GA4933@avx2
Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
---

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

--- a/fs/binfmt_elf.c~elf-dont-free-interpreters-elf-pheaders-on-common-path
+++ a/fs/binfmt_elf.c
@@ -1075,6 +1075,7 @@ out_free_interp:
 		fput(interpreter);
 
 		kfree(interp_elf_ex);
+		kfree(interp_elf_phdata);
 	} else {
 		elf_entry = e_entry;
 		if (BAD_ADDR(elf_entry)) {
@@ -1083,7 +1084,6 @@ out_free_interp:
 		}
 	}
 
-	kfree(interp_elf_phdata);
 	kfree(elf_phdata);
 
 	set_binfmt(&elf_format);
_

Patches currently in -mm which might be from adobriyan@gmail.com are

ramfs-support-o_tmpfile.patch
elf-delete-loc-variable.patch
elf-allocate-less-for-static-executable.patch
elf-dont-free-interpreters-elf-pheaders-on-common-path.patch