From f43df8a8630889b36cc396f2066492a7d518db5a Mon Sep 17 00:00:00 2001
From: David Sterba <dsterba@suse.com>
Date: Fri, 2 Oct 2020 20:58:24 +0200
Subject: [PATCH] btrfs-progs: ci: add sanitizer coverage

Add builds with ASAN and UBSAN for both gcc. Clang + asan fails at
some tests due to wrong asan runtime, clang + ubsan fails at
libbtrfsutil/btrfsutil_internal.h:71:20:

	memcpy(&tmp, &sh->type, sizeof(__u32));

which seems to be too strict.

    [TEST/cli]   008-subvolume-get-set-default
subvolume get-default: default id is not 256, but
libbtrfsutil/btrfsutil_internal.h:71:20: runtime error: member access within
misaligned address 0x7ffcc8017f67 for type 'const struct
btrfs_ioctl_search_header', which requires 8 byte alignment

0x7ffcc8017f67: note: pointer points here

 00 00 00 00 07  00 00 00 00 00 00 00 00  01 00 00 00 00 00 00 05  00 00 00 00 00 00 00 90  00 00 00
             ^

libbtrfsutil/btrfsutil_internal.h:64:20: runtime error: member access within
misaligned address 0x7ffcc8017f67 for type 'const struct
btrfs_ioctl_search_header', which requires 8 byte alignment

0x7ffcc8017f67: note: pointer points here

 00 00 00 00 07  00 00 00 00 00 00 00 00  01 00 00 00 00 00 00 05  00 00 00 00 00 00 00 90  00 00 00
             ^

libbtrfsutil/btrfsutil_internal.h:78:20: runtime error: member access within
misaligned address 0x7ffcc8017f67 for type 'const struct
btrfs_ioctl_search_header', which requires 8 byte alignment

0x7ffcc8017f67: note: pointer points here

 00 00 00 00 07  00 00 00 00 00 00 00 00  01 00 00 00 00 00 00 05  00 00 00 00 00 00 00 90  00 00 00

Signed-off-by: David Sterba <dsterba@suse.com>
---
 .travis.yml      | 18 ++++++++++++++----
 ci/build-default |  1 +
 2 files changed, 15 insertions(+), 4 deletions(-)

diff --git a/.travis.yml b/.travis.yml
index 8404e26d..40d603f4 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -19,9 +19,19 @@
 sudo: required
 
 language: c
-compiler:
-  - gcc
-  - clang
+
+matrix:
+  include:
+    - os: linux
+      compiler: gcc
+    - os: linux
+      compiler: gcc
+      env: D=asan
+    - os: linux
+      compiler: gcc
+      env: D=ubsan
+    - os: linux
+      compiler: clang
 
 cache:
   ccache: true
@@ -73,7 +83,7 @@ addons:
 script:
   # quick build tests
   - "if ci/should-run-test; then docker run -it --env CC=$CC kdave/ci-musl-x86_64 ./test-build $TRAVIS_BRANCH --disable-documentation --disable-backtrace; fi"
-  - "if ci/should-run-test; then make TEST_LOG=dump library-test; fi"
+  - "if ci/should-run-test && ci/not-asan-build; then make TEST_LOG=dump library-test; fi"
   # real tests
   - "if ci/should-run-test; then make TEST_LOG=dump test-cli; fi"
   - "if ci/should-run-test; then make TEST_LOG=dump test-mkfs; fi"
diff --git a/ci/build-default b/ci/build-default
index b43302d9..28f5e2be 100755
--- a/ci/build-default
+++ b/ci/build-default
@@ -10,4 +10,5 @@ set -e
 
 ./autogen.sh
 ./configure "$@"
+echo "D=$D"
 make