diff --git a/profiles/package.mask b/profiles/package.mask
index 3479a66b74a3f..ebd0d9fb9f51c 100644
--- a/profiles/package.mask
+++ b/profiles/package.mask
@@ -33,6 +33,10 @@
 
 #--- END OF EXAMPLES ---
 
+# John Helmert III <ajak@gentoo.org> (2021-09-29)
+# VM image data corruption bug, causing I/O errors in VMs. Bug #815379
+=app-emulation/qemu-6.1.0
+
 # Joonas Niilola <juippis@gentoo.org> (2021-09-26)
 # A library without revdeps, EAPI-5. #776901
 # Removal in ~30 days.