diff options
author | Albert Astals Cid <aacid@kde.org> | 2014-03-27 16:49:57 +0100 |
---|---|---|
committer | Albert Astals Cid <aacid@kde.org> | 2014-03-27 16:50:13 +0100 |
commit | 3e7779935ec2610410bc4a42e9b0174e41ca9672 (patch) | |
tree | 467c4ba2b31410596052f7632cbebd5054564f36 | |
parent | 23ad7fa5253a4fec6543d1435827aa1b59b62ced (diff) |
Fix error reported by ASAN in 139.asan.0.581.pdf
==15244== ERROR: AddressSanitizer: SEGV on unknown address 0x605df000f3ee (pc 0x7f1087b3a22e sp 0x7fffec30ff20 bp 0x7fffec30ff80 T0)
AddressSanitizer can not provide additional info.
#0 0x7f1087b3a22d (/home/tsdgeos/devel/poppler/build-debug/libpoppler.so.46.0.0+0x48f22d)
#1 0x7f1087b19d92 (/home/tsdgeos/devel/poppler/build-debug/libpoppler.so.46.0.0+0x46ed92)
#2 0x7f1087ae570b (/home/tsdgeos/devel/poppler/build-debug/libpoppler.so.46.0.0+0x43a70b)
#3 0x7f1087ae4061 (/home/tsdgeos/devel/poppler/build-debug/libpoppler.so.46.0.0+0x439061)
#4 0x7f1087ab9b38 (/home/tsdgeos/devel/poppler/build-debug/libpoppler.so.46.0.0+0x40eb38)
#5 0x7f1087900989 (/home/tsdgeos/devel/poppler/build-debug/libpoppler.so.46.0.0+0x255989)
#6 0x7f10878f733a (/home/tsdgeos/devel/poppler/build-debug/libpoppler.so.46.0.0+0x24c33a)
#7 0x7f10878f650f (/home/tsdgeos/devel/poppler/build-debug/libpoppler.so.46.0.0+0x24b50f)
#8 0x7f10878f6163 (/home/tsdgeos/devel/poppler/build-debug/libpoppler.so.46.0.0+0x24b163)
#9 0x7f10879d8dd1 (/home/tsdgeos/devel/poppler/build-debug/libpoppler.so.46.0.0+0x32ddd1)
#10 0x7f10879e02fd (/home/tsdgeos/devel/poppler/build-debug/libpoppler.so.46.0.0+0x3352fd)
#11 0x40311e (/home/tsdgeos/devel/poppler/build-debug/utils/pdftoppm+0x40311e)
#12 0x404416 (/home/tsdgeos/devel/poppler/build-debug/utils/pdftoppm+0x404416)
#13 0x7f1087000ec4 (/lib/x86_64-linux-gnu/libc-2.19.so+0x21ec4)
#14 0x401d58 (/home/tsdgeos/devel/poppler/build-debug/utils/pdftoppm+0x401d58)
-rw-r--r-- | splash/SplashXPathScanner.cc | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/splash/SplashXPathScanner.cc b/splash/SplashXPathScanner.cc index 0fd5ccdc..52ac1c27 100644 --- a/splash/SplashXPathScanner.cc +++ b/splash/SplashXPathScanner.cc @@ -11,7 +11,7 @@ // All changes made under the Poppler project to this file are licensed // under GPL version 2 or later // -// Copyright (C) 2008, 2010 Albert Astals Cid <aacid@kde.org> +// Copyright (C) 2008, 2010, 2014 Albert Astals Cid <aacid@kde.org> // Copyright (C) 2010 Paweł Wiejacha <pawel.wiejacha@gmail.com> // Copyright (C) 2013 Thomas Freitag <Thomas.Freitag@alfa.de> // @@ -514,7 +514,7 @@ void SplashXPathScanner::clipAALine(SplashBitmap *aaBuf, xx0 = (*x1 + 1) * splashAASize; if (xx0 > aaBuf->getWidth()) xx0 = aaBuf->getWidth(); // set [xx, xx0) to 0 - if (xx < xx0) { + if (xx < xx0 && xx >= 0) { p = aaBuf->getDataPtr() + yy * aaBuf->getRowSize() + (xx >> 3); if (xx & 7) { mask = (Guchar)(0xff00 >> (xx & 7)); |