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| author | Sam Clegg <sbc@chromium.org> | 2018-05-29 19:58:59 +0000 |
|---|---|---|
| committer | Sam Clegg <sbc@chromium.org> | 2018-05-29 19:58:59 +0000 |
| commit | b7c6239408d6c04c9e4743dc30678168a1b60cb5 (patch) | |
| tree | 381cb599dc5fe27ece21fd142ba7ac58ecce5b30 /llvm/test/Object | |
| parent | 4b3829d8cfa6926cf9af8b044c25d43027fe50d1 (diff) | |
| download | bcm5719-llvm-b7c6239408d6c04c9e4743dc30678168a1b60cb5.tar.gz bcm5719-llvm-b7c6239408d6c04c9e4743dc30678168a1b60cb5.zip | |
[WebAssembly] Add more error checking to object file parsing
This should address some of the assert failures the fuzzer has been
finding such as:
https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=6719
Differential Revision: https://reviews.llvm.org/D47086
llvm-svn: 333459
Diffstat (limited to 'llvm/test/Object')
| -rw-r--r-- | llvm/test/Object/wasm-invalid-file.yaml | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/llvm/test/Object/wasm-invalid-file.yaml b/llvm/test/Object/wasm-invalid-file.yaml new file mode 100644 index 00000000000..3c16291c06d --- /dev/null +++ b/llvm/test/Object/wasm-invalid-file.yaml @@ -0,0 +1,16 @@ +# RUN: yaml2obj %s > %t.wasm +# RUN: echo -en "\x01" >> %t.wasm +# Append a new section but truncate the encoding of the section size +# RUN: not llvm-objdump -h %t.wasm 2>&1 | FileCheck %s -check-prefix=CHECK-LEB-DECODE + +!WASM +FileHeader: + Version: 0x00000001 + +# CHECK-LEB-DECODE: malformed uleb128, extends past end + +# RUN: echo -en "\x99hello" >> %t.wasm +# Append a section size that extends beyond the end of the file +# RUN: not llvm-objdump -h %t.wasm 2>&1 | FileCheck %s -check-prefix=CHECK-SECTION-SIZE + +# CHECK-SECTION-SIZE: '{{.*}}.wasm': Section too large |
