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Merge pull request #2799 from terrelln/oss-fuzz-build

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[build] Fix oss-fuzz build with the dataflow sanitizer
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Nick Terrell 2021-09-23 15:55:10 -07:00 committed by GitHub
commit 01976ce4cd
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2 changed files with 10 additions and 1 deletions
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9
lib/common/compiler.h
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@ -233,6 +233,15 @@
# endif
#endif
/* detects whether we are being compiled undef dfsan */
#ifndef ZSTD_DATAFLOW_SANITIZER
# if __has_feature(dataflow_sanitizer)
# define ZSTD_DATAFLOW_SANITIZER 1
# else
# define ZSTD_DATAFLOW_SANITIZER 0
# endif
#endif
#if ZSTD_MEMORY_SANITIZER
/* Not all platforms that support msan provide sanitizers/msan_interface.h.
* We therefore declare the functions we need ourselves, rather than trying to

2
lib/decompress/huf_decompress.c
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@ -47,7 +47,7 @@
* Disable when MSAN is enabled.
*/
#if defined(__linux__) || defined(__linux) || defined(__APPLE__)
# if ZSTD_MEMORY_SANITIZER
# if ZSTD_MEMORY_SANITIZER || ZSTD_DATAFLOW_SANITIZER
# define HUF_ASM_SUPPORTED 0
# else
# define HUF_ASM_SUPPORTED 1