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| author | Jay Berkenbilt <ejb@ql.org> | 2021-01-04 17:55:28 +0100 |
|---|---|---|
| committer | Jay Berkenbilt <ejb@ql.org> | 2021-01-04 21:17:35 +0100 |
| commit | dc92574c10f3e2516ec6445b88c5d584f40df4e5 (patch) | |
| tree | 221eca0c948b2a19d7735027e514459694fca7dd /libqpdf/Pl_ASCII85Decoder.cc | |
| parent | a9bdeeb0e0059cf702f63c04affbcb56ecc8a29e (diff) | |
| download | qpdf-dc92574c10f3e2516ec6445b88c5d584f40df4e5.tar.zst | |
Fix some pipelines to be safe if downstream write fails (fuzz issue 28262)
Diffstat (limited to 'libqpdf/Pl_ASCII85Decoder.cc')
| -rw-r--r-- | libqpdf/Pl_ASCII85Decoder.cc | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/libqpdf/Pl_ASCII85Decoder.cc b/libqpdf/Pl_ASCII85Decoder.cc index b8df3e87..9d9f6704 100644 --- a/libqpdf/Pl_ASCII85Decoder.cc +++ b/libqpdf/Pl_ASCII85Decoder.cc @@ -119,10 +119,13 @@ Pl_ASCII85Decoder::flush() QTC::TC("libtests", "Pl_ASCII85Decoder partial flush", (this->pos == 5) ? 0 : 1); - getNext()->write(outbuf, this->pos - 1); - + // Reset before calling getNext()->write in case that throws an + // exception. + auto t = this->pos - 1; this->pos = 0; memset(this->inbuf, 117, 5); + + getNext()->write(outbuf, t); } void |