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Add sanity check for meaningless chunk_byte value on runzip.

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Con Kolivas 2011-05-08 00:29:58 +10:00
parent 1ea75154d6
commit 103d2ce11e
1 changed files with 2 additions and 0 deletions
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runzip.c
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@ -274,6 +274,8 @@ static i64 runzip_chunk(rzip_control *control, int fd_in, i64 expected_size, i64
/* Read in the stored chunk byte width from the file */ /* Read in the stored chunk byte width from the file */
if (unlikely(read_1g(control, fd_in, &chunk_bytes, 1) != 1)) if (unlikely(read_1g(control, fd_in, &chunk_bytes, 1) != 1))
fatal("Failed to read chunk_bytes size in runzip_chunk\n"); fatal("Failed to read chunk_bytes size in runzip_chunk\n");
if (unlikely(chunk_bytes < 1 || chunk_bytes > 8))
failure("chunk_bytes %d is invalid in runzip_chunk\n", chunk_bytes);
} }
if (!tally && expected_size) if (!tally && expected_size)
print_maxverbose("Expected size: %lld\n", expected_size); print_maxverbose("Expected size: %lld\n", expected_size);