15 lines
592 B
Diff
15 lines
592 B
Diff
--- contrib/libarchive/libarchive/archive_write.c.orig
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+++ contrib/libarchive/libarchive/archive_write.c
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@@ -459,8 +459,12 @@
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_archive_write_data(struct archive *_a, const void *buff, size_t s)
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{
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struct archive_write *a = (struct archive_write *)_a;
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+ const size_t max_write = INT_MAX;
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__archive_check_magic(&a->archive, ARCHIVE_WRITE_MAGIC,
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ARCHIVE_STATE_DATA, "archive_write_data");
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+ /* In particular, this catches attempts to pass negative values. */
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+ if (s > max_write)
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+ s = max_write;
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archive_clear_error(&a->archive);
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return ((a->format_write_data)(a, buff, s));
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}
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