1593127 - src/gfx/skia/skia/src/core/SkAnalyticEdge.h:119: fatal error: "assert(SkAbs32(fY - fSnappedY) < (1 << 16))"

Status: RESOLVED WORKSFORME

(Core :: Graphics: Canvas2D, defect, P3)

Description

[Tyson Smith [:tsmith]]

Attachment: testcase.html

Reduced with m-c:
BuildID=20191031194708
SourceStamp=4a19c3f74d0cf11a6a2dc143b3b43a88a96f0932

src/gfx/skia/skia/src/core/SkAnalyticEdge.h:119: fatal error: "assert(SkAbs32(fY - fSnappedY) < (1 << 16))"

0|0|libc-2.23.so|__GI__IO_default_xsputn|/build/glibc-LK5gWL/glibc-2.23/libio/genops.c|422|0x9
0|1|libc-2.23.so|_IO_vfprintf_internal|/build/glibc-LK5gWL/glibc-2.23/stdio-common/vfprintf.c|1632|0x31
0|2|libc-2.23.so|buffered_vfprintf|/build/glibc-LK5gWL/glibc-2.23/stdio-common/vfprintf.c|2320|0x5
0|3|libc-2.23.so|_IO_vfprintf_internal|/build/glibc-LK5gWL/glibc-2.23/stdio-common/vfprintf.c|1293|0x5
0|4|libc-2.23.so|___vfprintf_chk|/build/glibc-LK5gWL/glibc-2.23/debug/vfprintf_chk.c|33|0xb
0|5|libxul.so|SkDebugf(char const*, ...)|hg:hg.mozilla.org/mozilla-central:gfx/skia/skia/src/ports/SkDebug_stdio.cpp:4a19c3f74d0cf11a6a2dc143b3b43a88a96f0932|17|0xf
0|6|libxul.so|SkAnalyticQuadraticEdge::keepContinuous()::{lambda()#1}::operator()() const|||0x25
0|7|libxul.so|SkAnalyticQuadraticEdge::keepContinuous()::{lambda()#1}::_FUN()|||0xb
0|8|||||0x7ffe23c00d98
0|9|libxul.so|SkAnalyticQuadraticEdge::keepContinuous()::{lambda()#1}::_FUN()|||0xb
0|10|||||0x7ffe23c00db0
0|11|libxul.so|SkAnalyticQuadraticEdge::keepContinuous()::{lambda()#1}::_FUN()|||0xb
0|12|||||0x7ffe23c00dc8

Comment 1

[Lee Salzman [:lsalzman]]

This doesn't seem to crash at all with Skia assertions disabled. As per bug 1305151, I thought we were fuzzing with MOZ_SKIA_DISABLE_ASSERTS?

Comment 2

[Tyson Smith [:tsmith]]

Yeah you are right we do fuzz with MOZ_SKIA_DISABLE_ASSERTS=1. I'm not exactly sure what is happening here. I'm guessing the above assertions is just what the automation is parsing out of the logs.

A Pernosco session is available here: https://pernos.co/debug/xQVXKrlmFguNhDFJi34zqg/index.html

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Let me know if there is anything else I can do to help.

Comment 3

[Lee Salzman [:lsalzman]]

This should be resolved by bug 1645123.