Unverified Commit fb08eca0 authored by openeuler-ci-bot's avatar openeuler-ci-bot Committed by Gitee
Browse files

!9198 init/main.c: Fix potential static_command_line memory overflow 

Merge Pull Request from: @ci-robot 
 
PR sync from: Guo Mengqi <guomengqi3@huawei.com>
https://mailweb.openeuler.org/hyperkitty/list/kernel@openeuler.org/message/FYWP77RW6DBV6GNGJRS3HVBUVLWKTAEP/ 
 
https://gitee.com/src-openeuler/kernel/issues/I9L5HF 
 
Link:https://gitee.com/openeuler/kernel/pulls/9198

 

Reviewed-by: default avatarJialin Zhang <zhangjialin11@huawei.com>
Signed-off-by: default avatarJialin Zhang <zhangjialin11@huawei.com>
parents f88d73a7 dc42e850

init/main.c

+2 −0
Original line number Diff line number Diff line
@@ -633,6 +633,8 @@ static void __init setup_command_line(char *command_line) 
	if (!saved_command_line)

		panic("%s: Failed to allocate %zu bytes\n", __func__, len + ilen);



	len = xlen + strlen(command_line) + 1;



	static_command_line = memblock_alloc(len, SMP_CACHE_BYTES);

	if (!static_command_line)

		panic("%s: Failed to allocate %zu bytes\n", __func__, len);