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Disable _ASN_STACK_OVERFLOW_CHECK if building with Asan enabled 

Related: OS#6025
Change-Id: I2dda4720f3ea5a023d340863db177e6334beeaa3
This commit is contained in:
Pau Espin 2023-05-04 18:37:57 +02:00
parent 5cdcaffc15
commit 3e483e5950
1 changed files with 26 additions and 0 deletions
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26
include/asn1c/asn_internal.h
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@ -108,9 +108,34 @@ static inline void ASN_DEBUG(const char *fmt, ...) { (void)fmt; }
/*
* Check stack against overflow, if limit is set.
*/
/* Since GCC 13, AddressSanitizer started defaulting to
* ASAN_OPTIONS="detect_stack_use_after_return=1", which makes this check
* fail due to apparently jumping stack pointers.
* Hence, disable this check if building with ASan, as documented in:
* GCC: https://gcc.gnu.org/onlinedocs/cpp/Common-Predefined-Macros.html
* Clang: https://clang.llvm.org/docs/AddressSanitizer.html#conditional-compilation-with-has-feature-address-sanitizer
*/
#if defined(__SANITIZE_ADDRESS__)
#define _ASN_SANITIZE_ENABLED 1
#elif defined(__has_feature)
#if __has_feature(address_sanitizer)
#define _ASN_SANITIZE_ENABLED 1
#endif
#endif
#define _ASN_DEFAULT_STACK_MAX (30000)
#if defined(_ASN_SANITIZE_ENABLED)
static inline int
_ASN_STACK_OVERFLOW_CHECK(asn_codec_ctx_t *ctx) {
(void)ctx;
return 0;
}
#else
static inline int
_ASN_STACK_OVERFLOW_CHECK(asn_codec_ctx_t *ctx) {
if(ctx && ctx->max_stack_size) {
/* ctx MUST be allocated on the stack */
@ -126,6 +151,7 @@ _ASN_STACK_OVERFLOW_CHECK(asn_codec_ctx_t *ctx) {
}
return 0;
}
#endif
#ifdef __cplusplus
}