Unverified Commit 1208e3b0 authored by openeuler-ci-bot's avatar openeuler-ci-bot Committed by Gitee
Browse files

!13261 bpf: Zero former ARG_PTR_TO_{LONG,INT} args in case of error 

Merge Pull Request from: @ci-robot 
 
PR sync from: Liu Jian <liujian56@huawei.com>
https://mailweb.openeuler.org/hyperkitty/list/kernel@openeuler.org/message/OAZQN4ZLRSMITTCZAUHM2U36R4OB5JL5/ 
 
https://gitee.com/src-openeuler/kernel/issues/IAYQSD 
 
Link:https://gitee.com/openeuler/kernel/pulls/13261

 

Reviewed-by: default avatarYue Haibing <yuehaibing@huawei.com>
Signed-off-by: default avatarYang Yingliang <yangyingliang@huawei.com>
parents 4cbb7363 40a8c7ba

kernel/bpf/helpers.c

+2 −0
Original line number Diff line number Diff line
@@ -489,6 +489,7 @@ BPF_CALL_4(bpf_strtol, const char *, buf, size_t, buf_len, u64, flags, 
	long long _res;

	int err;



	*res = 0;

	err = __bpf_strtoll(buf, buf_len, flags, &_res);

	if (err < 0)

		return err;
@@ -515,6 +516,7 @@ BPF_CALL_4(bpf_strtoul, const char *, buf, size_t, buf_len, u64, flags, 
	bool is_negative;

	int err;



	*res = 0;

	err = __bpf_strtoull(buf, buf_len, flags, &_res, &is_negative);

	if (err < 0)

		return err;