--- a/base/threading/platform_thread_linux.cc
+++ b/base/threading/platform_thread_linux.cc
@@ -186,7 +186,8 @@
 
 size_t GetDefaultThreadStackSize(const pthread_attr_t& attributes) {
 #if !defined(THREAD_SANITIZER)
-  return 0;
+  // use 2mb to avoid running out of space. This is what android uses
+  return 2 * (1 << 20);
 #else
   // ThreadSanitizer bloats the stack heavily. Evidence has been that the
   // default stack size isn't enough for some browser tests.
--- a/base/threading/platform_thread_unittest.cc
+++ b/base/threading/platform_thread_unittest.cc
@@ -420,7 +420,7 @@
     ((BUILDFLAG(IS_LINUX) || BUILDFLAG(IS_CHROMEOS)) &&                \
      !defined(THREAD_SANITIZER)) ||                                    \
     (BUILDFLAG(IS_ANDROID) && !defined(ADDRESS_SANITIZER))
-  EXPECT_EQ(0u, stack_size);
+  EXPECT_EQ(2u << 20, stack_size);
 #else
   EXPECT_GT(stack_size, 0u);
   EXPECT_LT(stack_size, 20u * (1 << 20));
--- a/chrome/browser/shutdown_signal_handlers_posix.cc
+++ b/chrome/browser/shutdown_signal_handlers_posix.cc
@@ -187,11 +187,19 @@
   g_shutdown_pipe_read_fd = pipefd[0];
   g_shutdown_pipe_write_fd = pipefd[1];
 #if !defined(ADDRESS_SANITIZER)
+# if defined(__GLIBC__)
   const size_t kShutdownDetectorThreadStackSize = PTHREAD_STACK_MIN * 2;
+# else
+  const size_t kShutdownDetectorThreadStackSize = PTHREAD_STACK_MIN * 2 * 8; // match up musls 2k PTHREAD_STACK_MIN with glibcs 16k
+# endif
 #else
+# if defined(__GLIBC__)
   // ASan instrumentation bloats the stack frames, so we need to increase the
   // stack size to avoid hitting the guard page.
   const size_t kShutdownDetectorThreadStackSize = PTHREAD_STACK_MIN * 4;
+# else
+  const size_t kShutdownDetectorThreadStackSize = PTHREAD_STACK_MIN * 4 * 8; // match up musls 2k PTHREAD_STACK_MIN with glibcs 16k
+# endif
 #endif
   ShutdownDetector* detector = new ShutdownDetector(
       g_shutdown_pipe_read_fd, std::move(shutdown_callback), task_runner);