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Merge pull request #1904 from jasperla/nosyscall

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Use direct call to write to OpenBSD
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van Hauser 2023-11-11 19:12:52 +01:00 committed by GitHub
commit 8c1f25b757
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1 changed files with 7 additions and 5 deletions
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12
instrumentation/afl-compiler-rt.o.c
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@ -48,7 +48,7 @@
#include <errno.h>
#include <sys/mman.h>
#ifndef __HAIKU__
#if !defined(__HAIKU__) && !defined(__OpenBSD__)
#include <sys/syscall.h>
#endif
#ifndef USEMMAP
@ -2257,11 +2257,13 @@ static int area_is_valid(void *ptr, size_t len) {
if (unlikely(!ptr || __asan_region_is_poisoned(ptr, len))) { return 0; }
#ifndef __HAIKU__
long r = syscall(SYS_write, __afl_dummy_fd[1], ptr, len);
#else
#ifdef __HAIKU__
long r = _kern_write(__afl_dummy_fd[1], -1, ptr, len);
#endif // HAIKU
#elif defined(__OpenBSD__)
long r = write(__afl_dummy_fd[1], ptr, len);
#else
long r = syscall(SYS_write, __afl_dummy_fd[1], ptr, len);
#endif // HAIKU, OPENBSD
if (r <= 0 || r > len) return 0;