From 6e3b7982dbcf8087374694253e0e248fbc6c6e3e Mon Sep 17 00:00:00 2001 From: m-holger Date: Wed, 17 Jan 2024 10:39:06 +0000 Subject: Fix incorrect handling of invalid negative object ids Fix two errors introduced in #1110 and #1112. Since #1110, encountering the invalid indirect reference #1110 -2147483648 n R produces an integer underflow which, if undetected, immediately trigger a logic error. Since #1112, object -1 0 R may be incorrectly identified as an earlier generation of itself and deleted, invalidating a live iterator. --- fuzz/qpdf_extra/65773.fuzz | 1 + 1 file changed, 1 insertion(+) create mode 100644 fuzz/qpdf_extra/65773.fuzz (limited to 'fuzz/qpdf_extra/65773.fuzz') diff --git a/fuzz/qpdf_extra/65773.fuzz b/fuzz/qpdf_extra/65773.fuzz new file mode 100644 index 00000000..2d0aabf5 --- /dev/null +++ b/fuzz/qpdf_extra/65773.fuzz @@ -0,0 +1 @@ +trailer<>>> \ No newline at end of file -- cgit v1.2.3-54-g00ecf