Drop "fs/binfmt_elf.c: allocate initialized memory in fill_thread_core_info()"

debian/changelog

@@ -428,7 +428,6 @@ linux (4.19.126-1) UNRELEASED; urgency=medium
     - libceph: ignore pool overlay and cache logic on redirects
     - IB/ipoib: Fix double free of skb in case of multicast traffic in CM mode
     - mm: remove VM_BUG_ON(PageSlab()) from page_mapcount()
-    - fs/binfmt_elf.c: allocate initialized memory in fill_thread_core_info()
     - include/asm-generic/topology.h: guard cpumask_of_node() macro argument
     - iommu: Fix reference count leak in iommu_group_alloc.
     - parisc: Fix kernel panic in mem_init()

debian/patches/bugfix/all/fs-binfmt_elf.c-allocate-initialized-memory-in-fill_.patch

@@ -1,41 +0,0 @@
-From: Alexander Potapenko <glider@google.com>
-Date: Wed, 27 May 2020 22:20:52 -0700
-Subject: fs/binfmt_elf.c: allocate initialized memory in
- fill_thread_core_info()
-Origin: https://git.kernel.org/linus/1d605416fb7175e1adf094251466caa52093b413
-Bug-Debian-Security: https://security-tracker.debian.org/tracker/CVE-2020-10732
-
-KMSAN reported uninitialized data being written to disk when dumping
-core.  As a result, several kilobytes of kmalloc memory may be written
-to the core file and then read by a non-privileged user.
-
-Reported-by: sam <sunhaoyl@outlook.com>
-Signed-off-by: Alexander Potapenko <glider@google.com>
-Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
-Acked-by: Kees Cook <keescook@chromium.org>
-Cc: Al Viro <viro@zeniv.linux.org.uk>
-Cc: Alexey Dobriyan <adobriyan@gmail.com>
-Cc: <stable@vger.kernel.org>
-Link: http://lkml.kernel.org/r/20200419100848.63472-1-glider@google.com
-Link: https://github.com/google/kmsan/issues/76
-Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
----
- fs/binfmt_elf.c | 2 +-
- 1 file changed, 1 insertion(+), 1 deletion(-)
-
-diff --git a/fs/binfmt_elf.c b/fs/binfmt_elf.c
-index 13f25e241ac4..25d489bc9453 100644
---- a/fs/binfmt_elf.c
-+++ b/fs/binfmt_elf.c
-@@ -1733,7 +1733,7 @@ static int fill_thread_core_info(struct elf_thread_core_info *t,
- 		    (!regset->active || regset->active(t->task, regset) > 0)) {
- 			int ret;
- 			size_t size = regset_size(t->task, regset);
--			void *data = kmalloc(size, GFP_KERNEL);
-+			void *data = kzalloc(size, GFP_KERNEL);
- 			if (unlikely(!data))
- 				return 0;
- 			ret = regset->get(t->task, regset,
--- 
-2.27.0.rc0
-

debian/patches/series

@@ -296,7 +296,6 @@ features/arm/staging-vc04_services-Use-correct-cache-line-size.patch
 # Security fixes
 debian/i386-686-pae-pci-set-pci-nobios-by-default.patch
 debian/ntfs-mark-it-as-broken.patch
-bugfix/all/fs-binfmt_elf.c-allocate-initialized-memory-in-fill_.patch
 bugfix/all/kernel-relay.c-handle-alloc_percpu-returning-NULL-in.patch
 bugfix/all/mm-Fix-mremap-not-considering-huge-pmd-devmap.patch
 bugfix/x86/srbds/0001-x86-cpu-Add-a-steppings-field-to-struct-x86_cpu_id.patch