From b46baea4d1cce81c56ee0d82fbdc352921445fa7 Mon Sep 17 00:00:00 2001 From: Caolán McNamara Date: Fri, 1 Apr 2022 16:52:06 +0100 Subject: forcepoint#99 SwTextFormatter unaware that FirstOfBorderMerge was deleted READ of size 8 at 0x606000a49e50 thread T0 #0 0x7f7ab6214bf5 in SwPosSize::Height() const /home/caolan/LibreOffice/core-asan/sw/source/core/text/possiz.hxx:49:37 #1 0x7f7ab636c311 in SwTextFormatter::MergeCharacterBorder(SwLinePortion&, SwLinePortion const*, SwTextFormatInfo&) /home/caolan/LibreOffice/core-asan/sw/source/core/text/itrform2.cxx:2807:43 #2 0x7f7ab636ae08 in SwTextFormatter::InsertPortion(SwTextFormatInfo&, SwLinePortion*) /home/caolan/LibreOffice/core-asan/sw/source/core/text/itrform2.cxx:354:13 #3 0x7f7ab6371db1 in SwTextFormatter::BuildPortions(SwTextFormatInfo&) /home/caolan/LibreOffice/core-asan/sw/source/core/text/itrform2.cxx:709:9 #4 0x7f7ab638b2ac in SwTextFormatter::FormatLine(o3tl::strong_int) /home/caolan/LibreOffice/core-asan/sw/source/core/text/itrform2.cxx:1701:9 #5 0x7f7ab62a8ad1 in SwTextFrame::FormatLine(SwTextFormatter&, bool) /home/caolan/LibreOffice/core-asan/sw/source/core/text/frmform.cxx:1212:44 #6 0x7f7ab62af1cc in SwTextFrame::Format_(SwTextFormatter&, SwTextFormatInfo&, bool) /home/caolan/LibreOffice/core-asan/sw/source/core/text/frmform.cxx:1571:23 #7 0x7f7ab62b1f17 in SwTextFrame::Format_(OutputDevice*, SwParaPortion*) /home/caolan/LibreOffice/core-asan/sw/source/core/text/frmform.cxx:1743:5 #8 0x7f7ab62b5260 in SwTextFrame::Format(OutputDevice*, SwBorderAttrs const*) /home/caolan/LibreOffice/core-asan/sw/source/core/text/frmform.cxx:1932:17 #9 0x7f7ab5dbdabd in SwContentFrame::MakeAll(OutputDevice*) /home/caolan/LibreOffice/core-asan/sw/source/core/layout/calcmove.cxx:1514:17 0x606000a49e50 is located 16 bytes inside of 56-byte region [0x606000a49e40,0x606000a49e78) freed by thread T0 here: #0 0x4fe1f7 in operator delete(void*) (/home/caolan/LibreOffice/core-asan/instdir/program/soffice.bin+0x4fe1f7) #1 0x7f7ab6486d35 in SwTextPortion::~SwTextPortion() /home/caolan/LibreOffice/core-asan/sw/source/core/text/portxt.hxx:26:7 #2 0x7f7ab63da0c9 in SwLineLayout::CalcLine(SwTextFormatter&, SwTextFormatInfo&) /home/caolan/LibreOffice/core-asan/sw/source/core/text/porlay.cxx:430:21 #3 0x7f7ab6435413 in SwMultiPortion::CalcSize(SwTextFormatter&, SwTextFormatInfo&) /home/caolan/LibreOffice/core-asan/sw/source/core/text/pormulti.cxx:75:15 #4 0x7f7ab6457749 in SwTextFormatter::BuildMultiPortion(SwTextFormatInfo&, SwMultiPortion&) /home/caolan/LibreOffice/core-asan/sw/source/core/text/pormulti.cxx:2090:16 #5 0x7f7ab636f12c in SwTextFormatter::BuildPortions(SwTextFormatInfo&) /home/caolan/LibreOffice/core-asan/sw/source/core/text/itrform2.cxx:550:21 #6 0x7f7ab638b2ac in SwTextFormatter::FormatLine(o3tl::strong_int) /home/caolan/LibreOffice/core-asan/sw/source/core/text/itrform2.cxx:1701:9 #7 0x7f7ab62a8ad1 in SwTextFrame::FormatLine(SwTextFormatter&, bool) /home/caolan/LibreOffice/core-asan/sw/source/core/text/frmform.cxx:1212:44 #8 0x7f7ab62af1cc in SwTextFrame::Format_(SwTextFormatter&, SwTextFormatInfo&, bool) /home/caolan/LibreOffice/core-asan/sw/source/core/text/frmform.cxx:1571:23 #9 0x7f7ab62b1f17 in SwTextFrame::Format_(OutputDevice*, SwParaPortion*) /home/caolan/LibreOffice/core-asan/sw/source/core/text/frmform.cxx:1743:5 #10 0x7f7ab62b5260 in SwTextFrame::Format(OutputDevice*, SwBorderAttrs const*) /home/caolan/LibreOffice/core-asan/sw/source/core/text/frmform.cxx:1932:17 #11 0x7f7ab5dbdabd in SwContentFrame::MakeAll(OutputDevice*) /home/caolan/LibreOffice/core-asan/sw/source/core/layout/calcmove.cxx:1514:17 similar seen in the past as: commit 96acebb72211b4718eb3038c427df37b55b17b0b Date: Tue May 14 01:49:03 2019 +0800 tdf#124937 reset m_pFirstOfBorderMerge before truncate. commit ecd855794b22c0f7e6fb2f362b566c4d9c5f624a Date: Mon Jan 15 22:29:31 2018 +0100 tdf#114536 sw: fix use-after-free in SwTextFormatter::MergeCharacterBorder() Change-Id: Iad855f382a0daf50dac2537d4a91bfeaa9ff3799 Reviewed-on: https://gerrit.libreoffice.org/c/core/+/132439 Tested-by: Jenkins Reviewed-by: Miklos Vajna --- sw/qa/extras/layout/data/forcepoint99.html | Bin 0 -> 14034 bytes sw/qa/extras/layout/layout.cxx | 6 ++++++ 2 files changed, 6 insertions(+) create mode 100644 sw/qa/extras/layout/data/forcepoint99.html (limited to 'sw/qa') diff --git a/sw/qa/extras/layout/data/forcepoint99.html b/sw/qa/extras/layout/data/forcepoint99.html new file mode 100644 index 000000000000..6eb36a616e26 Binary files /dev/null and b/sw/qa/extras/layout/data/forcepoint99.html differ diff --git a/sw/qa/extras/layout/layout.cxx b/sw/qa/extras/layout/layout.cxx index 65308c42b77f..a788bd9171d1 100644 --- a/sw/qa/extras/layout/layout.cxx +++ b/sw/qa/extras/layout/layout.cxx @@ -2561,6 +2561,12 @@ CPPUNIT_TEST_FIXTURE(SwLayoutWriter, testTdf118058) pDoc->getIDocumentLayoutAccess().GetCurrentViewShell()->CalcLayout(); } +//just care it doesn't crash/assert +CPPUNIT_TEST_FIXTURE(SwLayoutWriter, testForcepoint99) +{ + createSwWebDoc(DATA_DIRECTORY, "forcepoint99.html"); +} + CPPUNIT_TEST_FIXTURE(SwLayoutWriter, testTdf128611) { createSwDoc(DATA_DIRECTORY, "tdf128611.fodt"); -- cgit