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journal: refuse data which contain invalid fields

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Fixes https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=25353.
This commit is contained in:
Yu Watanabe 2020-12-16 04:44:31 +09:00
parent adce225a10
commit f2bd032044
2 changed files with 3 additions and 0 deletions
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3
src/journal/journal-file.c
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@ -1572,6 +1572,9 @@ static int journal_file_append_field(
assert(f);
assert(field && size > 0);
if (!journal_field_valid(field, size, true))
return -EBADMSG;
hash = journal_file_hash_data(f, field, size);
r = journal_file_find_field_object_with_hash(f, field, size, hash, &o, &p);

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test/fuzz/fuzz-journal-remote/oss-fuzz-25353 Normal file
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