Unverified Commit 0a80f4d9 authored by openeuler-ci-bot's avatar openeuler-ci-bot Committed by Gitee
Browse files

!15364 LoongArch: csum: Fix OoB access in IP checksum code for negative lengths 

Merge Pull Request from: @ci-robot 
 
PR sync from: Jinjie Ruan <ruanjinjie@huawei.com>
https://mailweb.openeuler.org/archives/list/kernel@openeuler.org/message/PKK55VGYWJVIHOWHSDM33MFD75HNF2NH/ 
 
https://gitee.com/src-openeuler/kernel/issues/IBPC4E 
 
Link:https://gitee.com/openeuler/kernel/pulls/15364

 

Reviewed-by: default avatarZhang Jianhua <chris.zjh@huawei.com>
Reviewed-by: default avatarZhang Peng <zhangpeng362@huawei.com>
Signed-off-by: default avatarZhang Peng <zhangpeng362@huawei.com>
parents dadc9a82 ee47a5cb

arch/loongarch/lib/csum.c

+1 −1
Original line number Diff line number Diff line
@@ -25,7 +25,7 @@ unsigned int __no_sanitize_address do_csum(const unsigned char *buff, int len) 
	const u64 *ptr;

	u64 data, sum64 = 0;



	if (unlikely(len == 0))

	if (unlikely(len <= 0))

		return 0;



	offset = (unsigned long)buff & 7;