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[3/3] xfrm/compat: Don't allocate memory with __GFP_ZERO

Message ID 20201030022600.724932-4-dima@arista.com
State Awaiting Upstream
Delegated to: David Miller
Headers show
Series xfrm/compat: syzbot-found fixes | expand

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Context Check Description
jkicinski/cover_letter success Link
jkicinski/fixes_present success Link
jkicinski/patch_count success Link
jkicinski/tree_selection success Guessed tree name to be net-next
jkicinski/subject_prefix warning Target tree name not specified in the subject
jkicinski/source_inline success Was 0 now: 0
jkicinski/verify_signedoff success Link
jkicinski/module_param success Was 0 now: 0
jkicinski/build_32bit success Errors and warnings before: 0 this patch: 0
jkicinski/kdoc success Errors and warnings before: 0 this patch: 0
jkicinski/verify_fixes success Link
jkicinski/checkpatch success total: 0 errors, 0 warnings, 0 checks, 8 lines checked
jkicinski/build_allmodconfig_warn success Errors and warnings before: 0 this patch: 0
jkicinski/header_inline success Link
jkicinski/stable success Stable not CCed

Commit Message

Dmitry Safonov Oct. 30, 2020, 2:26 a.m. UTC
32-bit to 64-bit messages translator zerofies needed paddings in the
translation, the rest is the actual payload.
Don't allocate zero pages as they are not needed.

Signed-off-by: Dmitry Safonov <dima@arista.com>
---
 net/xfrm/xfrm_compat.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
diff mbox series

Patch

diff --git a/net/xfrm/xfrm_compat.c b/net/xfrm/xfrm_compat.c
index 556e9f33b815..d8e8a11ca845 100644
--- a/net/xfrm/xfrm_compat.c
+++ b/net/xfrm/xfrm_compat.c
@@ -564,7 +564,7 @@  static struct nlmsghdr *xfrm_user_rcv_msg_compat(const struct nlmsghdr *h32,
 		return NULL;
 
 	len += NLMSG_HDRLEN;
-	h64 = kvmalloc(len, GFP_KERNEL | __GFP_ZERO);
+	h64 = kvmalloc(len, GFP_KERNEL);
 	if (!h64)
 		return ERR_PTR(-ENOMEM);