Fixed a small memory invalid read with my_execv

2024-11-23 06:30:22 +00:00 · 2024-10-30 16:33:14 +01:00 · 2024-10-30 16:33:14 +01:00 · e8f9796752
commit e8f9796752
parent adb423d96b
1 changed files with 1 additions and 1 deletions
--- a/src/wrapped/wrappedlibc.c
+++ b/src/wrapped/wrappedlibc.c
@ -2240,7 +2240,7 @@ EXPORT int32_t my_execv(x64emu_t* emu, const char* path, char* const argv[])
        const char** newargv = (const char**)box_calloc(n+toadd+2, sizeof(char*));
        newargv[0] = x86?emu->context->box86path:emu->context->box64path;
        if(script) newargv[1] = emu->context->bashpath; // script needs to be launched with bash
-        memcpy(newargv+toadd, argv+skip_first, sizeof(char*)*(n+toadd));
+        memcpy(newargv+toadd, argv+skip_first, sizeof(char*)*(n+1-skip_first));
        if(self)
            newargv[1] = emu->context->fullpath;
        else {