--- src/external/jemalloc/src/background_thread.c 2026-02-27 14:30:22.683015000 -0800 +++ src/external/jemalloc/src/background_thread.c 2026-02-27 14:30:57.134631000 -0800 @@ -841,6 +841,9 @@ */ #ifdef JEMALLOC_HAVE_DLSYM pthread_create_fptr = dlsym(RTLD_NEXT, "pthread_create"); + if (pthread_create_fptr == NULL) { + pthread_create_fptr = dlsym(RTLD_DEFAULT, "pthread_create"); + } #else pthread_create_fptr = NULL; #endif