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Hash : de543e29
Author :
Date : 2019-11-05T22:44:27
patch_parse: fix segfault when header path contains whitespace only When parsing header paths from a patch, we reject any patches with empty paths as malformed patches. We perform the check whether a path is empty before sanitizing it, though, which may lead to a path becoming empty after the check, e.g. if we have trimmed whitespace. This may lead to a segfault later when any part of our patching logic actually references such a path, which may then be a `NULL` pointer. Fix the issue by performing the check after sanitizing. Add tests to catch the issue as they would have produced a segfault previosuly.
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Files
- CMakeLists.txt
- alloc.c
- alloc.h
- allocators/
- annotated_commit.c
- annotated_commit.h
- apply.c
- apply.h
- array.h
- attr.c
- attr.h
- attr_file.c
- attr_file.h
- attrcache.c
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- bitvec.h
- blame.c
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- blame_git.h
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- buf_text.c
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- buffer.h
- cache.c
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- cc-compat.h
- checkout.c
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- config_file.c
- config_mem.c
- config_parse.c
- config_parse.h
- config_snapshot.c
- crlf.c
- date.c
- delta.c
- delta.h
- describe.c
- diff.c
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- diff_driver.h
- diff_file.c
- diff_file.h
- diff_generate.c
- diff_generate.h
- diff_parse.c
- diff_parse.h
- diff_print.c
- diff_stats.c
- diff_tform.c
- diff_tform.h
- diff_xdiff.c
- diff_xdiff.h
- errors.c
- errors.h
- features.h.in
- fetch.c
- fetch.h
- fetchhead.c
- fetchhead.h
- filebuf.c
- filebuf.h
- filter.c
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- futils.c
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- global.h
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- hash/
- hashsig.c
- ident.c
- idxmap.c
- idxmap.h
- ignore.c
- ignore.h
- index.c
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- indexer.c
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- integer.h
- iterator.c
- iterator.h
- khash.h
- mailmap.c
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- map.h
- merge.c
- merge.h
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- merge_driver.h
- merge_file.c
- message.c
- message.h
- mwindow.c
- mwindow.h
- net.c
- net.h
- netops.c
- netops.h
- notes.c
- notes.h
- object.c
- object.h
- object_api.c
- odb.c
- odb.h
- odb_loose.c
- odb_mempack.c
- odb_pack.c
- offmap.c
- offmap.h
- oid.c
- oid.h
- oidarray.c
- oidarray.h
- oidmap.c
- oidmap.h
- pack-objects.c
- pack-objects.h
- pack.c
- pack.h
- parse.c
- parse.h
- patch.c
- patch.h
- patch_generate.c
- patch_generate.h
- patch_parse.c
- patch_parse.h
- path.c
- path.h
- pathspec.c
- pathspec.h
- pool.c
- pool.h
- posix.c
- posix.h
- pqueue.c
- pqueue.h
- proxy.c
- proxy.h
- push.c
- push.h
- reader.c
- reader.h
- rebase.c
- refdb.c
- refdb.h
- refdb_fs.c
- refdb_fs.h
- reflog.c
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- refs.h
- refspec.c
- refspec.h
- regexp.c
- regexp.h
- remote.c
- remote.h
- repo_template.h
- repository.c
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- reset.c
- revert.c
- revparse.c
- revwalk.c
- revwalk.h
- settings.c
- sha1_lookup.c
- sha1_lookup.h
- signature.c
- signature.h
- sortedcache.c
- sortedcache.h
- stash.c
- status.c
- status.h
- stream.h
- streams/
- strmap.c
- strmap.h
- strnlen.h
- submodule.c
- submodule.h
- sysdir.c
- sysdir.h
- tag.c
- tag.h
- thread-utils.c
- thread-utils.h
- trace.c
- trace.h
- trailer.c
- transaction.c
- transaction.h
- transport.c
- transports/
- tree-cache.c
- tree-cache.h
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- tsort.c
- unix/
- userdiff.h
- util.c
- util.h
- varint.c
- varint.h
- vector.c
- vector.h
- wildmatch.c
- wildmatch.h
- win32/
- worktree.c
- worktree.h
- xdiff/
- zstream.c
- zstream.h
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