diff --git a/src/base/process/process_metrics_posix.cc b/src/base/process/process_metrics_posix.cc
index 9a25ea7081..24ca40a3a3 100644
--- a/src/base/process/process_metrics_posix.cc
+++ b/src/base/process/process_metrics_posix.cc
@@ -110,6 +110,9 @@ void IncreaseFdLimitTo(unsigned int max_descriptors) {
 namespace {
 
 size_t GetMallocUsageMallinfo() {
+#if defined(__MUSL__)
+  return 0;
+#else
 #if defined(__GLIBC__) && defined(__GLIBC_PREREQ)
 #if __GLIBC_PREREQ(2, 33)
 #define MALLINFO2_FOUND_IN_LIBC
@@ -121,6 +124,7 @@ size_t GetMallocUsageMallinfo() {
 #endif
 #undef MALLINFO2_FOUND_IN_LIBC
   return checked_cast<size_t>(minfo.hblkhd + minfo.arena);
+#endif
 }
 
 }  // namespace
diff --git a/src/base/trace_event/malloc_dump_provider.cc b/src/base/trace_event/malloc_dump_provider.cc
index b5e0f05479..03f5d4ec77 100644
--- a/src/base/trace_event/malloc_dump_provider.cc
+++ b/src/base/trace_event/malloc_dump_provider.cc
@@ -368,6 +368,7 @@ bool MallocDumpProvider::OnMemoryDump(const MemoryDumpArgs& args,
                      &allocated_objects_count);
 #elif BUILDFLAG(IS_FUCHSIA)
 // TODO(fuchsia): Port, see https://crbug.com/706592.
+#elif defined(__MUSL__)
 #else
   ReportMallinfoStats(/*pmd=*/nullptr, &total_virtual_size, &resident_size,
                       &allocated_objects_size, &allocated_objects_count);