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#21 call asan on setjmp #22

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#21 call asan on setjmp #22

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7125fa7
#21 call asan on setjmp
balupillai Apr 2, 2026
a58f717
#21 call asan on setjmp
balupillai Apr 2, 2026
d6b2e67
#21 call asan on setjmp
balupillai Apr 2, 2026
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1 change: 1 addition & 0 deletions src/luaconf.h
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Original file line number Diff line number Diff line change
Expand Up @@ -692,6 +692,7 @@ static inline void lua_number2str(char *buf, LUA_NUMBER n)
** compiling as C++ code, with _longjmp/_setjmp when asked to use them,
** and with longjmp/setjmp otherwise.
*/

#if defined(__cplusplus)
/* C++ exceptions */
#define LUAI_THROW(L,c) throw(c)
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10 changes: 9 additions & 1 deletion src/thrlua.h
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Expand Up @@ -218,7 +218,15 @@ struct lua_longjmp {
# define LUA_ASMNAME(x) _##x
#endif

#if LUA_ARCH_X86_64
/*
** Under AddressSanitizer, use system setjmp/longjmp so ASAN can
** intercept them and properly unpoison skipped stack frames.
** The custom asm versions bypass ASAN and cause false positives.
*/
#if defined(__SANITIZE_ADDRESS__)
# define lua_do_setjmp setjmp
# define lua_do_longjmp longjmp
#elif LUA_ARCH_X86_64
# define lua_do_setjmp LUA_ASMNAME(lua_setjmp_amd64)
# define lua_do_longjmp LUA_ASMNAME(lua_longjmp_amd64)
#elif LUA_ARCH_I386
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