From 865c798a37bfacafd35e6c0f2d5d5e5bb572a07d Mon Sep 17 00:00:00 2001 From: John Johansen Date: Thu, 24 Jan 2019 13:53:05 -0800 Subject: [PATCH] apparmor: Fix aa_label_build() error handling for failed merges [ Upstream commit d6d478aee003e19ef90321176552a8ad2929a47f ] aa_label_merge() can return NULL for memory allocations failures make sure to handle and set the correct error in this case. Reported-by: Peng Hao Signed-off-by: John Johansen Signed-off-by: Sasha Levin --- security/apparmor/domain.c | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-) diff --git a/security/apparmor/domain.c b/security/apparmor/domain.c index dd754b7850a8..67bf8b7ee8a2 100644 --- a/security/apparmor/domain.c +++ b/security/apparmor/domain.c @@ -1260,7 +1260,10 @@ check: aa_get_label(&profile->label)); if (IS_ERR_OR_NULL(new)) { info = "failed to build target label"; - error = PTR_ERR(new); + if (!new) + error = -ENOMEM; + else + error = PTR_ERR(new); new = NULL; perms.allow = 0; goto audit; -- 2.50.1