diff --git a/target/linux/generic/config-5.15 b/target/linux/generic/config-5.15
index 83aebc7017..eab0423878 100644
--- a/target/linux/generic/config-5.15
+++ b/target/linux/generic/config-5.15
@@ -2992,6 +2992,7 @@ CONFIG_KALLSYMS_BASE_RELATIVE=y
 CONFIG_KASAN_STACK=y
 # CONFIG_KCMP is not set
 # CONFIG_KCOV is not set
+CONFIG_KCOV_IRQ_AREA_SIZE=0x40000
 # CONFIG_KCSAN is not set
 # CONFIG_KERNEL_BZIP2 is not set
 # CONFIG_KERNEL_CAT is not set