Calls to kzalloc() should be null-checked in order to avoid
any potential failures or unnecessary code execution.
Fix this by adding null checks for _entry_ right after allocation.
Fixes: 57c2590fb7fd ("TOMOYO: Update profile structure")
Reported-by: Hulk Robot <hul...@huawei.com>
Signed-off-by: Zheng Zengkai <zhengzeng...@huawei.com>
---
security/tomoyo/common.c | 2 ++
1 file changed, 2 insertions(+)
diff --git a/security/tomoyo/common.c b/security/tomoyo/common.c
index 4bee32bfe16d..99b4fafcb100 100644
--- a/security/tomoyo/common.c
+++ b/security/tomoyo/common.c
@@ -499,6 +499,8 @@ static struct tomoyo_profile *tomoyo_assign_profile
if (ptr)
return ptr;
entry = kzalloc(sizeof(*entry), GFP_NOFS);
+ if (!entry)
+ return NULL;
if (mutex_lock_interruptible(&tomoyo_policy_lock))
goto out;
ptr = ns->profile_ptr[profile];
--
2.20.1
