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envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: pass client-ip=40.107.75.99; envelope-from=alxndr@bu.edu; helo=NAM02-BL2-obe.outbound.protection.outlook.com X-detected-operating-system: by eggs.gnu.org: First seen = 2020/11/01 16:38:01 X-ACL-Warn: Detected OS = Windows NT kernel [generic] [fuzzy] X-Spam_score_int: -14 X-Spam_score: -1.5 X-Spam_bar: - X-Spam_report: (-1.5 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, HK_RANDOM_ENVFROM=0.001, HK_RANDOM_FROM=0.375, MSGID_FROM_MTA_HEADER=0.001, RCVD_IN_DNSWL_NONE=-0.0001, RCVD_IN_MSPIKE_H2=-0.001, SPF_HELO_PASS=-0.001, SPF_PASS=-0.001 autolearn=no autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: thuth@redhat.com, Alexander Bulekov , f4bug@amsat.org, darren.kenny@oracle.com, bsd@redhat.com, stefanha@redhat.com, pbonzini@redhat.com Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" X-ZohoMail-DKIM: pass (identity @bushare.onmicrosoft.com) Content-Type: text/plain; charset="utf-8" OSS-Fuzz changed the way it scans for fuzzers in $DEST_DIR. The new code also scans subdirectories for fuzzers. This means that OSS-Fuzz is considering bin/qemu-fuzz-i386 as an independent fuzzer (it is not - it requires a --fuzz-target argument). This has led to coverage-build failures and false crash reports. To work around this, we take advantage of OSS-Fuzz' filename extension check - OSS-Fuzz will not run anything that has an extension that is not ".exe": https://github.com/google/oss-fuzz/blob/master/infra/utils.py#L115 Reported-by: OSS-Fuzz (Issue 26725) Reported-by: OSS-Fuzz (Issue 26679) Signed-off-by: Alexander Bulekov --- Also, for context: https://github.com/google/oss-fuzz/issues/4575 scripts/oss-fuzz/build.sh | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/scripts/oss-fuzz/build.sh b/scripts/oss-fuzz/build.sh index fcae4a0c26..3b1c82b63d 100755 --- a/scripts/oss-fuzz/build.sh +++ b/scripts/oss-fuzz/build.sh @@ -91,7 +91,7 @@ make "-j$(nproc)" qemu-fuzz-i386 V=3D1 # Copy over the datadir cp -r ../pc-bios/ "$DEST_DIR/pc-bios" =20 -cp "./qemu-fuzz-i386" "$DEST_DIR/bin/" +cp "./qemu-fuzz-i386" "$DEST_DIR/bin/qemu-fuzz-i386.base" =20 # Run the fuzzer with no arguments, to print the help-string and get the l= ist # of available fuzz-targets. Copy over the qemu-fuzz-i386, naming it accor= ding @@ -104,7 +104,7 @@ do # that are thin wrappers around this target that set the required # environment variables according to predefined configs. if [ "$target" !=3D "generic-fuzz" ]; then - ln "$DEST_DIR/bin/qemu-fuzz-i386" \ + ln "$DEST_DIR/bin/qemu-fuzz-i386.base" \ "$DEST_DIR/qemu-fuzz-i386-target-$target" fi done --=20 2.28.0