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| author | Vedant Kumar <vsk@apple.com> | 2019-09-03 22:23:14 +0000 |
|---|---|---|
| committer | Vedant Kumar <vsk@apple.com> | 2019-09-03 22:23:14 +0000 |
| commit | 95fb23ab37e5e348788bb34623ebdc1e583e1ec8 (patch) | |
| tree | ff6f0bd6c6a2813e32036607cd579ea1bc6c9783 /llvm/test/tools/llvm-profdata | |
| parent | a6fcadd0f037df5e5bdc8d44a1769bf4bc9d22cd (diff) | |
| download | bcm5719-llvm-95fb23ab37e5e348788bb34623ebdc1e583e1ec8.tar.gz bcm5719-llvm-95fb23ab37e5e348788bb34623ebdc1e583e1ec8.zip | |
[InstrProf] Tighten a check for malformed data records in raw profiles
The check needs to validate a counter offset before performing pointer
arithmetic with the (potentially corrupt) offset.
Found by UBSan's pointer overflow check.
rdar://54843625
Differential Revision: https://reviews.llvm.org/D66979
llvm-svn: 370826
Diffstat (limited to 'llvm/test/tools/llvm-profdata')
| -rw-r--r-- | llvm/test/tools/llvm-profdata/Inputs/malformed-ptr-to-counter-array.profraw | bin | 0 -> 563560 bytes | |||
| -rw-r--r-- | llvm/test/tools/llvm-profdata/malformed-ptr-to-counter-array.test | 5 |
2 files changed, 5 insertions, 0 deletions
diff --git a/llvm/test/tools/llvm-profdata/Inputs/malformed-ptr-to-counter-array.profraw b/llvm/test/tools/llvm-profdata/Inputs/malformed-ptr-to-counter-array.profraw Binary files differnew file mode 100644 index 00000000000..72fddd76fc6 --- /dev/null +++ b/llvm/test/tools/llvm-profdata/Inputs/malformed-ptr-to-counter-array.profraw diff --git a/llvm/test/tools/llvm-profdata/malformed-ptr-to-counter-array.test b/llvm/test/tools/llvm-profdata/malformed-ptr-to-counter-array.test new file mode 100644 index 00000000000..24a68e35fad --- /dev/null +++ b/llvm/test/tools/llvm-profdata/malformed-ptr-to-counter-array.test @@ -0,0 +1,5 @@ +REQUIRES: zlib + +RUN: not llvm-profdata merge -o /dev/null %p/Inputs/malformed-ptr-to-counter-array.profraw 2>&1 | FileCheck %s + +CHECK: Malformed instrumentation profile data |
