From: Jackie Liu <liuyu...@kylinos.cn>

Some strange reasons may cause kcore to collect some strange
entries of ikconfig, such as CONFIG_SECU+[some hex data] causes
the 'val' to be NULL, and then crashes when strdup.

Signed-off-by: Jackie Liu <liuyu...@kylinos.cn>
---
 kernel.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/kernel.c b/kernel.c
index 9871637..aa86f0d 100644
--- a/kernel.c
+++ b/kernel.c
@@ -10244,6 +10244,9 @@ static void add_ikconfig_entry(char *line, struct 
ikconfig_list *ent)
        sscanf(name, "CONFIG_%s", name);
        val = strtok_r(NULL, "", &tokptr);
 
+       if (!val)
+               return;
+
        ent->name = strdup(name);
        ent->val = strdup(val);
 }
-- 
2.17.1



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