X-Git-Url: https://wimlib.net/git/?p=wimlib;a=blobdiff_plain;f=src%2Fwin32_apply.c;fp=src%2Fwin32_apply.c;h=94285aca793cf763cd1cf377ecaace6be4eb1bcf;hp=96d9df6f578842eea91fc7b5308066b9a0df5715;hb=c0d3fd10d0cba3fedfa917e04d39a7803e34df6e;hpb=50f603f90c63795aaa604e96d10790d872ac5093

diff --git a/src/win32_apply.c b/src/win32_apply.c
index 96d9df6f..94285aca 100644
--- a/src/win32_apply.c
+++ b/src/win32_apply.c
@@ -1087,6 +1087,12 @@ prepare_target(struct list_head *dentry_list, struct win32_apply_ctx *ctx)
 			8 + 1 + 3);
 
 	ctx->pathbuf.MaximumLength = path_max * sizeof(wchar_t);
+	if (ctx->pathbuf.MaximumLength != path_max * sizeof(wchar_t)) {
+		/* Paths are too long for a UNICODE_STRING! */
+		ERROR("Some paths are too long to extract (> 32768 characters)!");
+		return WIMLIB_ERR_UNSUPPORTED;
+	}
+
 	ctx->pathbuf.Buffer = MALLOC(ctx->pathbuf.MaximumLength);
 	if (!ctx->pathbuf.Buffer)
 		return WIMLIB_ERR_NOMEM;