diff options
| -rw-r--r-- | compiler-rt/lib/esan/esan_interceptors.cpp | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/compiler-rt/lib/esan/esan_interceptors.cpp b/compiler-rt/lib/esan/esan_interceptors.cpp index 7aefeb6646e..188336bed7b 100644 --- a/compiler-rt/lib/esan/esan_interceptors.cpp +++ b/compiler-rt/lib/esan/esan_interceptors.cpp @@ -338,6 +338,12 @@ INTERCEPTOR(int, rmdir, char *path) { INTERCEPTOR(void *, mmap, void *addr, SIZE_T sz, int prot, int flags, int fd, OFF_T off) { + if (UNLIKELY(REAL(mmap) == nullptr)) { + // With esan init during interceptor init and a static libc preventing + // our early-calloc from triggering, we can end up here before our + // REAL pointer is set up. + return (void *)internal_mmap(addr, sz, prot, flags, fd, off); + } void *ctx; COMMON_INTERCEPTOR_ENTER(ctx, mmap, addr, sz, prot, flags, fd, off); if (!fixMmapAddr(&addr, sz, flags)) |
