commit a73f3ba91f15e08d6a7ec8cf0408aed517d22bb1
author Andrew Scull <ascull@google.com> Mon May 30 10:00:13 2022 +0000
committer Tom Rini <trini@konsulko.com> Thu Jun 23 12:58:19 2022 -0400
tree 7a942f93d9884d9c1fd7b905c1a2078f8207d18b
parent 0518e7a28fdbaf27cda7a43d1a52d457536e1d9b

fuzz: virtio: Add fuzzer for vring

Add a fuzzer to test the vring handling code against unexpected
mutations from the virtio device.

After building the sandbox with CONFIG_FUZZ=y, the fuzzer can be invoked
with by:

   UBOOT_SB_FUZZ_TEST=fuzz_vring ./u-boot

This fuzzer finds unvalidated inputs in the vring driver that allow a
buggy or malicious device to make the driver chase wild pointers.

Signed-off-by: Andrew Scull <ascull@google.com>