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Commitaf0cd93

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Fix "OSError: [Errno 36] File name too long" in fuzz_submodule
Fixes a bug in the `fuzz_submodule` harness where the fuzzed data canproduce file names that exceed the maximum size allowed byt the OS. Thisissue came up previously and was fixed in#1922, but the submodule filename fixed here was missed in that PR.Fixes:https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=69456
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‎fuzzing/fuzz-targets/fuzz_submodule.py

Lines changed: 5 additions & 4 deletions
Original file line numberDiff line numberDiff line change
@@ -35,12 +35,13 @@ def TestOneInput(data):
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sub_repo=Repo.init(submodule_temp_dir,bare=fdp.ConsumeBool())
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sub_repo.index.commit(fdp.ConsumeUnicodeNoSurrogates(fdp.ConsumeIntInRange(1,512)))
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38-
submodule_name=f"submodule_{fdp.ConsumeUnicodeNoSurrogates(fdp.ConsumeIntInRange(1,512))}"
38+
submodule_name=fdp.ConsumeUnicodeNoSurrogates(
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fdp.ConsumeIntInRange(1,max(1,get_max_filename_length(repo.working_tree_dir)))
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)
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submodule_path=os.path.join(repo.working_tree_dir,submodule_name)
40-
submodule_url=sub_repo.git_dir
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42-
submodule=repo.create_submodule(submodule_name,submodule_path,url=submodule_url)
43-
repo.index.commit(f"Added submodule{submodule_name}")
43+
submodule=repo.create_submodule(submodule_name,submodule_path,url=sub_repo.git_dir)
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repo.index.commit("Added submodule")
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4546
withsubmodule.config_writer()aswriter:
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key_length=fdp.ConsumeIntInRange(1,max(1,fdp.remaining_bytes()))

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