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fuzz: fuzz testing for VHDx block device is added

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The fuzzer needs to take a larger input for the whole disk image to
be most useful. Since the file is small we can test by reading and
writing over the whole file.

Signed-off-by: Rob Bradford <robert.bradford@intel.com>
Signed-off-by: Fazla Mehrab <akm.fazla.mehrab@intel.com>
This commit is contained in:
Fazla Mehrab
2021-08-02 11:51:36 -04:00
committed by Sebastien Boeuf
parent 1fa3a60b35
commit 98fc38c465
3 changed files with 136 additions and 6 deletions
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fuzz/Cargo.lock
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+76 -6
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@@ -102,6 +102,7 @@ dependencies = [
"thiserror",
"versionize",
"versionize_derive",
"vhdx",
"virtio-bindings",
"vm-memory 0.6.0",
"vm-virtio",
@@ -155,7 +156,7 @@ dependencies = [
"libc",
"log",
"option_parser",
"seccomp",
"seccompiler",
"serde_json",
"signal-hook",
"thiserror",
@@ -173,13 +174,23 @@ dependencies = [
"libc",
"libfuzzer-sys",
"qcow",
"seccomp",
"seccompiler",
"vhdx",
"virtio-devices",
"vm-memory 0.6.0",
"vm-virtio",
"vmm-sys-util",
]
[[package]]
name = "crc32c"
version = "0.6.0"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "210cdf933e6a81212bfabf90cd8762f471b5922e5f6b709547673ad8e04b9448"
dependencies = [
"rustc_version",
]
[[package]]
name = "crc64"
version = "1.0.0"
@@ -232,6 +243,17 @@ version = "0.1.3"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "b643857cf70949306b81d7e92cb9d47add673868edac9863c4a49c42feaf3f1e"
[[package]]
name = "getrandom"
version = "0.2.3"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "7fcd999463524c52659517fe2cea98493cfe485d10565e7b0fb07dbba7ad2753"
dependencies = [
"cfg-if",
"libc",
"wasi",
]
[[package]]
name = "hermit-abi"
version = "0.1.19"
@@ -463,6 +485,15 @@ dependencies = [
"syn",
]
[[package]]
name = "rustc_version"
version = "0.2.3"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "138e3e0acb6c9fb258b19b67cb8abd63c00679d2851805ea151465464fe9030a"
dependencies = [
"semver",
]
[[package]]
name = "ryu"
version = "1.0.5"
@@ -470,13 +501,28 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "71d301d4193d031abdd79ff7e3dd721168a9572ef3fe51a1517aba235bd8f86e"
[[package]]
name = "seccomp"
name = "seccompiler"
version = "0.1.0"
source = "git+https://github.com/firecracker-microvm/firecracker?tag=v0.24.5#cd36c699f3cb3d531289aadee26c45c1306edcfc"
source = "git+https://github.com/rust-vmm/seccompiler#da5788d52f1ae8886d8ed4624199b7e9fa64ac04"
dependencies = [
"libc",
]
[[package]]
name = "semver"
version = "0.9.0"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "1d7eb9ef2c18661902cc47e535f9bc51b78acd254da71d375c2f6720d9a40403"
dependencies = [
"semver-parser",
]
[[package]]
name = "semver-parser"
version = "0.7.0"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "388a1df253eca08550bef6c72392cfe7c30914bf41df5269b68cbd6ff8f570a3"
[[package]]
name = "serde"
version = "1.0.127"
@@ -604,6 +650,9 @@ name = "uuid"
version = "0.8.2"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "bc5cf98d8186244414c848017f0e2676b3fcb46807f6668a97dfe67359a3c4b7"
dependencies = [
"getrandom",
]
[[package]]
name = "vec_map"
@@ -677,6 +726,20 @@ dependencies = [
"vmm-sys-util",
]
[[package]]
name = "vhdx"
version = "0.1.0"
dependencies = [
"byteorder",
"crc32c",
"libc",
"log",
"remain",
"thiserror",
"uuid",
"vmm-sys-util",
]
[[package]]
name = "vhost"
version = "0.1.0"
@@ -712,7 +775,7 @@ dependencies = [
"net_util",
"pci",
"rate_limiter",
"seccomp",
"seccompiler",
"serde",
"serde_derive",
"serde_json",
@@ -824,7 +887,7 @@ dependencies = [
"option_parser",
"pci",
"qcow",
"seccomp",
"seccompiler",
"serde",
"serde_derive",
"serde_json",
@@ -834,6 +897,7 @@ dependencies = [
"versionize",
"versionize_derive",
"vfio-ioctls",
"vhdx",
"virtio-devices",
"vm-allocator",
"vm-device",
@@ -855,6 +919,12 @@ dependencies = [
"serde_derive",
]
[[package]]
name = "wasi"
version = "0.10.2+wasi-snapshot-preview1"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "fd6fbd9a79829dd1ad0cc20627bf1ed606756a7f77edff7b66b7064f9cb327c6"
[[package]]
name = "winapi"
version = "0.3.9"