From: Dan Carpenter dan.carpenter@oracle.com
stable inclusion from stable-v5.10.110 commit 327f07e3704c821ce33e54ef5046bdf69975cb86 bugzilla: https://gitee.com/openeuler/kernel/issues/I574AL
Reference: https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?id=...
--------------------------------
[ Upstream commit dc0ce6cc4b133f5f2beb8b47dacae13a7d283c2c ]
The "test_dev" pointer is freed but then returned to the caller.
Fixes: d9c6a72d6fa2 ("kmod: add test driver to stress test the module loader") Signed-off-by: Dan Carpenter dan.carpenter@oracle.com Signed-off-by: Luis Chamberlain mcgrof@kernel.org Signed-off-by: Sasha Levin sashal@kernel.org Signed-off-by: Yu Liao liaoyu15@huawei.com Reviewed-by: Wei Li liwei391@huawei.com Signed-off-by: Zheng Zengkai zhengzengkai@huawei.com --- lib/test_kmod.c | 1 + 1 file changed, 1 insertion(+)
diff --git a/lib/test_kmod.c b/lib/test_kmod.c index eab52770070d..c637f6b5053a 100644 --- a/lib/test_kmod.c +++ b/lib/test_kmod.c @@ -1155,6 +1155,7 @@ static struct kmod_test_device *register_test_dev_kmod(void) if (ret) { pr_err("could not register misc device: %d\n", ret); free_test_dev_kmod(test_dev); + test_dev = NULL; goto out; }