Adding debian version 4.19.249-2.debian/4.19.249-2debian

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 30 insertions, 0 deletions

diff --git a/debian/patches/features/all/db-mok-keyring/modsign-make-shash-allocation-failure-fatal.patch b/debian/patches/features/all/db-mok-keyring/modsign-make-shash-allocation-failure-fatal.patch
new file mode 100644
index 000000000..a0aea95a2
--- /dev/null
+++ b/debian/patches/features/all/db-mok-keyring/modsign-make-shash-allocation-failure-fatal.patch
@@ -0,0 +1,30 @@
+From: Ben Hutchings <ben@decadent.org.uk>
+Date: Sun, 05 May 2019 13:45:06 +0100
+Subject: MODSIGN: Make shash allocation failure fatal
+
+mod_is_hash_blacklisted() currently returns 0 (suceess) if
+crypto_alloc_shash() fails.  This should instead be a fatal error,
+so unwrap and pass up the error code.
+
+Signed-off-by: Ben Hutchings <ben@decadent.org.uk>
+---
+Index: linux/kernel/module_signing.c
+===================================================================
+--- linux.orig/kernel/module_signing.c
++++ linux/kernel/module_signing.c
+@@ -51,11 +51,13 @@ static int mod_is_hash_blacklisted(const
+ 	struct shash_desc *desc;
+ 	size_t digest_size, desc_size;
+ 	u8 *digest;
+-	int ret = 0;
++	int ret;
+ 
+ 	tfm = crypto_alloc_shash("sha256", 0, 0);
+-	if (IS_ERR(tfm))
++	if (IS_ERR(tfm)) {
++		ret = PTR_ERR(tfm);
+ 		goto error_return;
++	}
+ 
+ 	desc_size = crypto_shash_descsize(tfm) + sizeof(*desc);
+ 	digest_size = crypto_shash_digestsize(tfm);