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@xxxxxxxxx>
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@xxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
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@xxxxxxxxx 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
