This file [1] makes evince crash in cairo. Debian sid with cairo 1.12.2-2 and evince 3.4.0-3.
[1] http://kernsec.org/files/LinuxSecuritySummit2012_rpm.pdf
Program received signal SIGSEGV, Segmentation fault. [Switching to Thread 0xef6ffb70 (LWP 10039)] full_row (mask=4294967295, coverages=0xf5ffcbac, active=0xf5ffcb3c) at /build/buildd-cairo_1.12.2-2-i386-1cmzkR/cairo-1.12.2/src/cairo-tor-scan-converter.c:1358 1358 /build/buildd-cairo_1.12.2-2-i386-1cmzkR/cairo-1.12.2/src/cairo-tor-scan-converter.c: File o directory non esistente. (gdb) bt full #0 full_row (mask=4294967295, coverages=0xf5ffcbac, active=0xf5ffcb3c) at /build/buildd-cairo_1.12.2-2-i386-1cmzkR/cairo-1.12.2/src/cairo-tor-scan-converter.c:1358 right = 0x0 winding = 36752 left = 0xf5ffcad4 #1 glitter_scan_converter_render (renderer=0xef6fd1ac, antialias=1, winding_mask=4294967295, converter=0xf5ffc394) at /build/buildd-cairo_1.12.2-2-i386-1cmzkR/cairo-1.12.2/src/cairo-tor-scan-converter.c:1713 do_full_row = 1 j = 4 ymax_i = <optimized out> xmin_i = 81 active = 0xf5ffcb3c ymin_i = <optimized out> h = <optimized out> polygon = 0xf5ffc394 buckets = {0x0 <repeats 15 times>} i = <optimized out> xmax_i = 97 coverages = 0xf5ffcbac #2 _cairo_tor_scan_converter_generate (converter=0xf5ffc388, ---Type <return> to continue, or q <return> to quit--- renderer=0xef6fd1ac) at /build/buildd-cairo_1.12.2-2-i386-1cmzkR/cairo-1.12.2/src/cairo-tor-scan-converter.c:1809 self = 0xef6fd1ac status = <optimized out> #3 0xf7722a15 in composite_polygon (extents=extents@entry=0xef6fe210, polygon=polygon@entry=0xef6fde08, fill_rule=fill_rule@entry=CAIRO_FILL_RULE_WINDING, antialias=antialias@entry=CAIRO_ANTIALIAS_DEFAULT, compositor=<error reading variable: Unhandled dwarf expression opcode 0xfa>, compositor=<error reading variable: Unhandled dwarf expression opcode 0xfa>) at /build/buildd-cairo_1.12.2-2-i386-1cmzkR/cairo-1.12.2/src/cairo-spans-compositor.c:716 renderer = {base = {status = 3221996115, destroy = 0x3eb82b6a, render_rows = 0xf76ed850 <_inplace_spans>, finish = 0}, data = "\020\342o\357D`\022=\003\302\v\300 \000\000\000`\362u\357h\367u\357\350\362\361\365\000\000\000\000\000\000\000\000\217\261\303'\017\205ɿ\225^\254/\035X\335?\301\361h\347\v", '\000' <repeats 14 times>, "\005\341\366ÿBXp\367\364\217|\367H\322o\357H\322o\357\244\327o\357O]p\367\\\325o\357H\322o\357\003\000\000\000\260\357p\367\\\325o\357\f\335o\357p\322oﻻ\273\273\000\000\000\000\000\022\254?\322Q\000\000\016/\000\000[`\000\000\231.\000\000\211.\000\000$.\000\000.\000\000\000\024\000\000\000\351\363wM\364\217|\367\344\177\223V\000\000\000\000$`\000\000\236\364p\367\260\325o\357\212(\000\000\022)\000\000\377\377\37---Type <return> to continue, or q <return> to quit--- 7\377W^\"\367.a\"\367\000\373\377\377M[p\367\370\331o\357[`\000\000\000Q\000\000\000a\000\000\212(\000\000\022)\000\000[`\000\000\320'\000\000 \324o\357@g\327?\303.\000\000dR\000\000\000Q\000\000C/\000\000\000a\000\000\320'\000\000\000]\372\377\377\377\377\377\005>"...} converter = 0xf5ffc388 needs_clip = 0 status = <optimized out> #4 0xf77234ff in clip_and_composite_polygon ( antialias=CAIRO_ANTIALIAS_DEFAULT, fill_rule=CAIRO_FILL_RULE_WINDING, polygon=0xef6fde08, extents=0xef6fe210, compositor=0xf77c9880) at /build/buildd-cairo_1.12.2-2-i386-1cmzkR/cairo-1.12.2/src/cairo-spans-compositor.c:880 status = <optimized out> #5 clip_and_composite_polygon (compositor=0xf77c9880, extents=0xef6fe210, polygon=0xef6fde08, fill_rule=CAIRO_FILL_RULE_WINDING, antialias=CAIRO_ANTIALIAS_DEFAULT) at /build/buildd-cairo_1.12.2-2-i386-1cmzkR/cairo-1.12.2/src/cairo-spans-compositor.c:819 status = 36752
This file [1] makes evince crash in cairo. Debian sid with cairo 1.12.2-2 and evince 3.4.0-3.
[1] http:// kernsec. org/files/ LinuxSecuritySu mmit2012_ rpm.pdf
Program received signal SIGSEGV, Segmentation fault. 0xf5ffcbac, active=0xf5ffcb3c) buildd- cairo_1. 12.2-2- i386-1cmzkR/ cairo-1. 12.2/src/ cairo-tor- scan-converter. c:1358 buildd- cairo_1. 12.2-2- i386-1cmzkR/ cairo-1. 12.2/src/ cairo-tor- scan-converter. c: File o directory non esistente. 0xf5ffcbac, active=0xf5ffcb3c) buildd- cairo_1. 12.2-2- i386-1cmzkR/ cairo-1. 12.2/src/ cairo-tor- scan-converter. c:1358 scan_converter_ render (renderer= 0xef6fd1ac, antialias=1, mask=4294967295 , converter= 0xf5ffc394) buildd- cairo_1. 12.2-2- i386-1cmzkR/ cairo-1. 12.2/src/ cairo-tor- scan-converter. c:1713 tor_scan_ converter_ generate (converter= 0xf5ffc388, 0xef6fd1ac) buildd- cairo_1. 12.2-2- i386-1cmzkR/ cairo-1. 12.2/src/ cairo-tor- scan-converter. c:1809 extents@ entry=0xef6fe21 0, polygon@ entry=0xef6fde0 8, rule=fill_ rule@entry= CAIRO_FILL_ RULE_WINDING, antialias@ entry=CAIRO_ ANTIALIAS_ DEFAULT, <error reading variable: Unhandled dwarf expression opcode 0xfa>, compositor=<error reading variable: Unhandled dwarf expression opcode 0xfa>) buildd- cairo_1. 12.2-2- i386-1cmzkR/ cairo-1. 12.2/src/ cairo-spans- compositor. c:716
render_ rows = 0xf76ed850 <_inplace_spans>, finish = 0}, 357D`\022= \003\302\ v\300 \000\000\ 000`\362u\ 357h\367u\ 357\350\ 362\361\ 365\000\ 000\000\ 000\000\ 000\000\ 000\217\ 261\303' \017\205ɿ\ 225^\254/ \035X\335? \301\361h\ 347\v", '\000' <repeats 14 times>, "\005\341\ 366ÿBXp\ 367\364\ 217|\367H\ 322o\357H\ 322o\357\ 244\327o\ 357O]p\ 367\\\325o\ 357H\322o\ 357\003\ 000\000\ 000\260\ 357p\367\ \\325o\ 357\f\335o\ 357p\322oﻻ\ 273\273\ 000\000\ 000\000\ 000\022\ 254?\322Q\ 000\000\ 016/\000\ 000[`\000\ 000\231. \000\000\ 211.\000\ 000$.\000\ 000.\000\ 000\000\ 024\000\ 000\000\ 351\363wM\ 364\217| \367\344\ 177\223V\ 000\000\ 000\000$ `\000\000\ 236\364p\ 367\260\ 325o\357\ 212(\000\ 000\022) \000\000\ 377\377\ 37---Type <return> to continue, or q <return> to quit--- \"\367. a\"\367\ 000\373\ 377\377M[ p\367\370\ 331o\357[ `\000\000\ 000Q\000\ 000\000a\ 000\000\ 212(\000\ 000\022) \000\000[ `\000\000\ 320'\000\ 000 \324o\357@ g\327?\ 303.\000\ 000dR\000\ 000\000Q\ 000\000C/ \000\000\ 000a\000\ 000\320' \000\000\ 000]\372\ 377\377\ 377\377\ 377\005> "...} composite_ polygon ( CAIRO_ANTIALIAS _DEFAULT, fill_rule= CAIRO_FILL_ RULE_WINDING, 0xef6fde08, extents=0xef6fe210, compositor= 0xf77c9880) buildd- cairo_1. 12.2-2- i386-1cmzkR/ cairo-1. 12.2/src/ cairo-spans- compositor. c:880 composite_ polygon (compositor= 0xf77c9880, extents=0xef6fe210, 0xef6fde08, fill_rule= CAIRO_FILL_ RULE_WINDING, CAIRO_ANTIALIAS _DEFAULT) buildd- cairo_1. 12.2-2- i386-1cmzkR/ cairo-1. 12.2/src/ cairo-spans- compositor. c:819
[Switching to Thread 0xef6ffb70 (LWP 10039)]
full_row (mask=4294967295, coverages=
at /build/
1358 /build/
(gdb) bt full
#0 full_row (mask=4294967295, coverages=
at /build/
right = 0x0
winding = 36752
left = 0xf5ffcad4
#1 glitter_
winding_
at /build/
do_full_row = 1
j = 4
ymax_i = <optimized out>
xmin_i = 81
active = 0xf5ffcb3c
ymin_i = <optimized out>
h = <optimized out>
polygon = 0xf5ffc394
buckets = {0x0 <repeats 15 times>}
i = <optimized out>
xmax_i = 97
coverages = 0xf5ffcbac
#2 _cairo_
---Type <return> to continue, or q <return> to quit---
renderer=
at /build/
self = 0xef6fd1ac
status = <optimized out>
#3 0xf7722a15 in composite_polygon (extents=
polygon=
fill_
antialias=
compositor=
at /build/
renderer = {base = {status = 3221996115, destroy = 0x3eb82b6a,
data = "\020\342o\
7\377W^
converter = 0xf5ffc388
needs_clip = 0
status = <optimized out>
#4 0xf77234ff in clip_and_
antialias=
polygon=
at /build/
status = <optimized out>
#5 clip_and_
polygon=
antialias=
at /build/
status = 36752