An issue was discovered in romfs_dev_read in fs/romfs/storage.c in the Linux kernel before 5.8.4. Uninitialized memory leaks to userspace, aka CID-bcf85fcedfdd.
https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.8.4
https://bugs.chromium.org/p/project-zero/issues/detail?id=2077