suricata: fix rust+C MSAN build (google#9478)

catenacyber · eamonnmcmanus · commit df71bcd1e506 · 2023-03-15T11:44:47.000-07:00
Rust MSAN produces false positives when C clang version is not up to the latest version. See rust-lang/rust#107149 Will fix https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=55239&q=label%3AProj-suricata and such Should the fix be generic for other projects ?
diff --git a/projects/suricata/build.sh b/projects/suricata/build.sh
@@ -25,6 +25,9 @@ then
     make -j$(nproc) all
     make -j$(nproc) install
     )
+    # Temporary workaround for https://github.com/rust-lang/rust/issues/107149
+    # until oss-fuzz clang is up to rustc clang (15.0.6).
+    export RUSTFLAGS="$RUSTFLAGS -Zsanitizer-memory-track-origins -Cllvm-args=-msan-eager-checks=0"
 fi
 
 (

Original file line number	Diff line number	Diff line change
`@@ -25,6 +25,9 @@ then`
`25`	`25`	`make -j$(nproc) all`
`26`	`26`	`make -j$(nproc) install`
`27`	`27`	`)`
	`28`	`+ # Temporary workaround for https://github.com/rust-lang/rust/issues/107149`
	`29`	`+ # until oss-fuzz clang is up to rustc clang (15.0.6).`
	`30`	`+ export RUSTFLAGS="$RUSTFLAGS -Zsanitizer-memory-track-origins -Cllvm-args=-msan-eager-checks=0"`
`28`	`31`	`fi`
`29`	`32`
`30`	`33`	`(`