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tests: add fuzzing infra for mkcomposefs --from-file #243

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merged 5 commits into from
Jan 29, 2024
Merged

tests: add fuzzing infra for mkcomposefs --from-file #243

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932f748
tools: add fuzzing entrypoint for mkcomposefs
giuseppe Jan 29, 2024
28a9d6b
tests: add fuzzing tests for mkcomposefs
giuseppe Jan 29, 2024
a8ac3d5
mkcomposefs: reject dump without root node
giuseppe Jan 29, 2024
7b1518f
mkcomposefs: tree_from_dump does not exit(2) on errors
giuseppe Jan 29, 2024
171eae0
mkcompose: fix crash if no target for hardlink
giuseppe Jan 29, 2024
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Binary file added ...zzing/data/SIGSEGV.PC.432623.STACK.1a9c9e1981.CODE.1.ADDR.0.INSTR.movsbl_(%rax),%eax.fuzz
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Binary file added .../data/SIGSEGV.PC.435caa.STACK.18ea55ecb1.CODE.1.ADDR.20.INSTR.mov____0x20(%rax),%rax.fuzz
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528 changes: 528 additions & 0 deletions tests/fuzzing/data/alpine
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441 changes: 441 additions & 0 deletions tests/fuzzing/data/busybox
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6 changes: 6 additions & 0 deletions tests/fuzzing/data/dot-root
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Original file line number Diff line number Diff line change
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./ 4096 40755 4 1000 1000 0 1695372970.944925700 - - - security.selinux=unconfined_u:object_r:unlabeled_t:s0\x00
./a\x20dir\x20w\x20space 27 40755 2 1000 1000 0 1694598852.869646118 - - - security.selinux=unconfined_u:object_r:unlabeled_t:s0\x00
./a-dir 45 40755 2 1000 1000 0 1674041780.601887980 - - - security.selinux=unconfined_u:object_r:unlabeled_t:s0\x00
./a-dir/../a-dir/a-file 259 100644 1 1000 1000 0 1695368732.385062094 35/d02f81325122d77ec1d11baba655bc9bf8a891ab26119a41c50fa03ddfb408 - 35d02f81325122d77ec1d11baba655bc9bf8a891ab26119a41c50fa03ddfb408 security.selinux=unconfined_u:object_r:unlabeled_t:s0\x00
/../a-dir/../a-dir/a-hardlink 259 @100644 1 1000 1000 0 1695368732.385062094 /a-dir/a-file - 35d02f81325122d77ec1d11baba655bc9bf8a891ab26119a41c50fa03ddfb408 security.selinux=unconfined_u:object_r:unlabeled_t:s0\x00
./././././././././././inline.txt 10 100644 1 1000 1000 0 1697019909.446146440 - some-text\n - security.selinux=unconfined_u:object_r:unlabeled_t:s0\x00
6 changes: 6 additions & 0 deletions tests/fuzzing/data/dump-example
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/ 4096 40755 4 1000 1000 0 1695372970.944925700 - - - security.selinux=unconfined_u:object_r:unlabeled_t:s0\x00
/a\x20dir\x20w\x20space 27 40755 2 1000 1000 0 1694598852.869646118 - - - security.selinux=unconfined_u:object_r:unlabeled_t:s0\x00
/a-dir 45 40755 2 1000 1000 0 1674041780.601887980 - - - security.selinux=unconfined_u:object_r:unlabeled_t:s0\x00
/a-dir/a-file 259 100644 1 1000 1000 0 1695368732.385062094 35/d02f81325122d77ec1d11baba655bc9bf8a891ab26119a41c50fa03ddfb408 - 35d02f81325122d77ec1d11baba655bc9bf8a891ab26119a41c50fa03ddfb408 security.selinux=unconfined_u:object_r:unlabeled_t:s0\x00
/a-hardlink 259 @100644 1 1000 1000 0 1695368732.385062094 /a-dir/a-file - 35d02f81325122d77ec1d11baba655bc9bf8a891ab26119a41c50fa03ddfb408 security.selinux=unconfined_u:object_r:unlabeled_t:s0\x00
/inline.txt 10 100644 1 1000 1000 0 1697019909.446146440 - some-text\n - security.selinux=unconfined_u:object_r:unlabeled_t:s0\x00
8,402 changes: 8,402 additions & 0 deletions tests/fuzzing/data/fedora
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9 changes: 9 additions & 0 deletions tests/fuzzing/run.sh
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#!/bin/sh

set -xeuo pipefail

./configure HFUZZ_CC_UBSAN=1 HFUZZ_CC_ASAN=1 CC=hfuzz-clang CPPFLAGS="-D FUZZER" CFLAGS="-ggdb3 -g3 -fsanitize-coverage=trace-pc-guard,trace-cmp,trace-div,indirect-calls" --enable-static --disable-shared

make -j $(nproc)

bwrap --bind / / --dev-bind /dev/null /dev/null --dev-bind /dev/urandom /dev/urandom --bind ${PWD} ${PWD} --remount-ro / honggfuzz --verifier --linux_perf_instr --threads 4 -s --exit_upon_crash -i tests/fuzzing -- tools/mkcomposefs
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