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Only locally disable signed integer sanitizing on decoder fuzzers 

See https://github.com/google/oss-fuzz/pull/7687
This commit is contained in:
Martijn van Beurden 2022-05-10 20:10:42 +02:00
parent 6b2fc739ed
commit 9e143766ca
3 changed files with 4 additions and 3 deletions
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2
src/libFLAC/fixed.c
View File

@ -375,7 +375,7 @@ void FLAC__fixed_compute_residual(const FLAC__int32 data[], uint32_t data_len, u
}
}
#if defined(__clang__)
#ifdef FUZZING_BUILD_MODE_NO_SANITIZE_SIGNED_INTEGER_OVERFLOW
/* The attribute below is to silence the undefined sanitizer of oss-fuzz.
* Because fuzzing feeds bogus predictors and residual samples to the
* decoder, having overflows in this section is unavoidable. Also,

3
src/libFLAC/lpc.c
View File

@ -807,7 +807,8 @@ void FLAC__lpc_compute_residual_from_qlp_coefficients_wide(const FLAC__int32 * f
#endif /* !defined FLAC__INTEGER_ONLY_LIBRARY */
#if defined(__clang__)
#ifdef FUZZING_BUILD_MODE_NO_SANITIZE_SIGNED_INTEGER_OVERFLOW
/* The attribute below is to silence the undefined sanitizer of oss-fuzz.
* Because fuzzing feeds bogus predictors and residual samples to the
* decoder, having overflows in this section is unavoidable. Also,

2
src/libFLAC/stream_decoder.c
View File

@ -2986,7 +2986,7 @@ FLAC__bool read_callback_(FLAC__byte buffer[], size_t *bytes, void *client_data)
*/
}
#if defined(__clang__)
#ifdef FUZZING_BUILD_MODE_NO_SANITIZE_SIGNED_INTEGER_OVERFLOW
/* The attribute below is to silence the undefined sanitizer of oss-fuzz.
* Because fuzzing feeds bogus predictors and residual samples to the
* decoder, having overflows in this section is unavoidable. Also,