diff --git a/compiler-rt/lib/profile/InstrProfilingPlatformFuchsia.c b/compiler-rt/lib/profile/InstrProfilingPlatformFuchsia.c
index bed10f1e80f34..80beb41454606 100644
--- a/compiler-rt/lib/profile/InstrProfilingPlatformFuchsia.c
+++ b/compiler-rt/lib/profile/InstrProfilingPlatformFuchsia.c
@@ -70,7 +70,7 @@ static uint32_t lprofVMOWriter(ProfDataWriter *This, ProfDataIOVec *IOVecs,
       return -1;
 
     /* Create VMO to hold the profile data. */
-    Status = _zx_vmo_create(0, 0, &__llvm_profile_vmo);
+    Status = _zx_vmo_create(0, ZX_VMO_RESIZABLE, &__llvm_profile_vmo);
     if (Status != ZX_OK)
       return -1;
 
diff --git a/compiler-rt/lib/sanitizer_common/sanitizer_coverage_fuchsia.cc b/compiler-rt/lib/sanitizer_common/sanitizer_coverage_fuchsia.cc
index 1d927ceece06f..2c71801221480 100644
--- a/compiler-rt/lib/sanitizer_common/sanitizer_coverage_fuchsia.cc
+++ b/compiler-rt/lib/sanitizer_common/sanitizer_coverage_fuchsia.cc
@@ -132,7 +132,7 @@ class TracePcGuardController final {
       // The first sample goes at [1] to reserve [0] for the magic number.
       next_index_ = 1 + num_guards;
 
-      zx_status_t status = _zx_vmo_create(DataSize(), 0, &vmo_);
+      zx_status_t status = _zx_vmo_create(DataSize(), ZX_VMO_RESIZABLE, &vmo_);
       CHECK_EQ(status, ZX_OK);
 
       // Give the VMO a name including our process KOID so it's easy to spot.
diff --git a/compiler-rt/lib/scudo/standalone/fuchsia.cc b/compiler-rt/lib/scudo/standalone/fuchsia.cc
index 7a07ccd14fed5..e545631389c66 100644
--- a/compiler-rt/lib/scudo/standalone/fuchsia.cc
+++ b/compiler-rt/lib/scudo/standalone/fuchsia.cc
@@ -80,7 +80,7 @@ void *map(void *Addr, uptr Size, const char *Name, uptr Flags,
     }
   } else {
     // Otherwise, create a Vmo and set its name.
-    Status = _zx_vmo_create(Size, 0, &Vmo);
+    Status = _zx_vmo_create(Size, ZX_VMO_RESIZABLE, &Vmo);
     if (Status != ZX_OK) {
       if (Status != ZX_ERR_NO_MEMORY || !AllowNoMem)
         dieOnMapUnmapError(Status == ZX_ERR_NO_MEMORY);
diff --git a/compiler-rt/lib/xray/xray_utils.cc b/compiler-rt/lib/xray/xray_utils.cc
index 59cd70cfe9f0d..82674baa5a0ce 100644
--- a/compiler-rt/lib/xray/xray_utils.cc
+++ b/compiler-rt/lib/xray/xray_utils.cc
@@ -78,7 +78,7 @@ void LogWriter::Flush() XRAY_NEVER_INSTRUMENT {
 LogWriter *LogWriter::Open() XRAY_NEVER_INSTRUMENT {
   // Create VMO to hold the profile data.
   zx_handle_t Vmo;
-  zx_status_t Status = _zx_vmo_create(0, 0, &Vmo);
+  zx_status_t Status = _zx_vmo_create(0, ZX_VMO_RESIZABLE, &Vmo);
   if (Status != ZX_OK) {
     Report("XRay: cannot create VMO: %s\n", _zx_status_get_string(Status));
     return nullptr;