Bug 10981

Summary: gnome-theme-manager crashed with SIGSEGV in XSetClipMask()
Product: cairo Reporter: Sebastien Bacher <seb128>
Component: generalAssignee: Carl Worth <cworth>
Status: RESOLVED FIXED QA Contact: cairo-bugs mailing list <cairo-bugs>
Severity: normal    
Priority: medium    
Version: 1.4.2   
Hardware: Other   
OS: All   
Whiteboard:
i915 platform: i915 features:

Description Sebastien Bacher 2007-05-17 09:11:28 UTC 
The bug has been opened on https://bugs.launchpad.net/ubuntu/+source/control-center/+bug/113655

"may be related to some monkeying around I did with libcairo, I installed (and removed) svn snapshot of cairo at one point.
...
#0  XSetClipMask (dpy=0x807bc08, gc=0x0, mask=0) at ../../src/SetClMask.c:43
No locals.
#1  0xb7496b09 in fbCompositeSolidMask_nx8x0565 (op=135074384, pSrc=0x18, pMask=0xbf9da0a8, pDst=0xb7492550, xSrc=0, ySrc=0, xMask=-18530, yMask=31164, xDst=-18532, yDst=-23978, 
    width=49053, height=41560) at /build/buildd/libcairo-1.4.2/pixman/src/fbpict.c:427
	src = 3078893104
	srca5 = 3214778360
	dstLine = <value optimized out>
	dst = (CARD16 *) 0xb79ef451
	d = <value optimized out>
	t = <value optimized out>
	maskLine = (CARD8 *) 0xb74c4efc " M\a"
	mask = (CARD8 *) 0x80d1250 ""
	m = <value optimized out>
	dstStride = <value optimized out>
	maskStride = 0
	w = 4688
	src16 = 41000
#2  0xb7494412 in pixman_op (newReg=0xb749240e, reg1=<value optimized out>, reg2=<value optimized out>, overlapFunc=0xbf9da018, appendNon1=135203040, appendNon2=-1214350916, 
    pOverlap=0xb79ca256) at /build/buildd/libcairo-1.4.2/pixman/src/pixregion.c:494
	r1 = (pixman_box16_t *) 0xb7491d66
	r2 = (pixman_box16_t *) 0x1
	r1End = (pixman_box16_t *) 0xb79f07fc
	r2End = (pixman_box16_t *) 0xb7842e30
	ybot = -16483
	ytop = <value optimized out>
	oldData = (pixman_region16_data_t *) 0xb79ef451
	prevBand = 6262
	curBand = 65536
	r1BandEnd = (pixman_box16_t *) 0x0
	r2BandEnd = (pixman_box16_t *) 0x832ce00
	top = -20032
	bot = 0
	r1y1 = -1221992550
	r2y1 = <value optimized out>
	newSize = <value optimized out>
	numRects = <value optimized out>
#3  0xb74947e5 in pixman_op (newReg=0x4b, reg1=<value optimized out>, reg2=<value optimized out>, overlapFunc=0x6, appendNon1=6, appendNon2=6, pOverlap=0x6)
    at /build/buildd/libcairo-1.4.2/pixman/src/pixregion.c:572
	r1 = (pixman_box16_t *) 0x0
	r2 = (pixman_box16_t *) 0x0
	r1End = (pixman_box16_t *) 0xc
	r2End = (pixman_box16_t *) 0xbf9da198
	ybot = -16483
	ytop = <value optimized out>
	oldData = (pixman_region16_data_t *) 0xbf9da144
	prevBand = -1080188676
	curBand = -6
	r1BandEnd = (pixman_box16_t *) 0xb74c4efc
	r2BandEnd = <value optimized out>
	top = -23608
	bot = -23069
	r1y1 = 0
	r2y1 = <value optimized out>
	newSize = <value optimized out>
	numRects = <value optimized out>
#4  0xb746c3de in _cairo_surface_mask (surface=0x0, op=3214779652, source=0x0, mask=0x832ce00) at /build/buildd/libcairo-1.4.2/src/cairo-surface.c:1284
	status = <value optimized out>
	dev_source = {base = {type = CAIRO_PATTERN_TYPE_SOLID, ref_count = 0, status = 1072693248, user_data = {size = 0, num_elements = 0, element_size = 0, elements = 0x0, 
      is_snapshot = 0}, matrix = {xx = -nan(0xffffa00000003), yx = 2.1219957880008784e-314, xy = -2.3001927682663948e-42, yy = 1.5883120288779337e-314, 
      x0 = -2.5387970627444266e-42, y0 = 6.7957377821856441e-316}, filter = 3214778872, extend = 3074868190}, solid = {base = {type = CAIRO_PATTERN_TYPE_SOLID, ref_count = 0, 
      status = 1072693248, user_data = {size = 0, num_elements = 0, element_size = 0, elements = 0x0, is_snapshot = 0}, matrix = {xx = -nan(0xffffa00000003), 
        yx = 2.1219957880008784e-314, xy = -2.3001927682663948e-42, yy = 1.5883120288779337e-314, x0 = -2.5387970627444266e-42, y0 = 6.7957377821856441e-316}, 
      filter = 3214778872, extend = 3074868190}, color = {red = -0.028949797153472907, green = 3.5595082651292834e-269, blue = 1.2731974748756028e-313, 
      alpha = 1.2731974748756028e-313, red_short = 6, green_short = 0, blue_short = 6, alpha_short = 0}}, surface = {base = {type = CAIRO_PATTERN_TYPE_SOLID, ref_count = 0, 
      status = 1072693248, user_data = {size = 0, num_elements = 0, element_size = 0, elements = 0x0, is_snapshot = 0}, matrix = {xx = -nan(0xffffa00000003), 
        yx = 2.1219957880008784e-314, xy = -2.3001927682663948e-42, yy = 1.5883120288779337e-314, x0 = -2.5387970627444266e-42, y0 = 6.7957377821856441e-316}, 
      filter = 3214778872, extend = 3074868190}, surface = 0x2}, gradient = {base = {base = {type = CAIRO_PATTERN_TYPE_SOLID, ref_count = 0, status = 1072693248, user_data = {
          size = 0, num_elements = 0, element_size = 0, elements = 0x0, is_snapshot = 0}, matrix = {xx = -nan(0xffffa00000003), yx = 2.1219957880008784e-314, 
          xy = -2.3001927682663948e-42, yy = 1.5883120288779337e-314, x0 = -2.5387970627444266e-42, y0 = 6.7957377821856441e-316}, filter = 3214778872, extend = 3074868190}, 
      n_stops = 2, stops_size = 3214779652, stops = 0x0, stops_embedded = {{x = 137547264, color = {red = 6, green = 0, blue = 6, alpha = 0}}, {x = 6, color = {red = 6, 
            green = 0, blue = 6, alpha = 0}}}}, linear = {base = {base = {type = CAIRO_PATTERN_TYPE_SOLID, ref_count = 0, status = 1072693248, user_data = {size = 0, 
            num_elements = 0, element_size = 0, elements = 0x0, is_snapshot = 0}, matrix = {xx = -nan(0xffffa00000003), yx = 2.1219957880008784e-314, 
            xy = -2.3001927682663948e-42, yy = 1.5883120288779337e-314, x0 = -2.5387970627444266e-42, y0 = 6.7957377821856441e-316}, filter = 3214778872, extend = 3074868190}, 
        n_stops = 2, stops_size = 3214779652, stops = 0x0, stops_embedded = {{x = 137547264, color = {red = 6, green = 0, blue = 6, alpha = 0}}, {x = 6, color = {red = 6, 
              green = 0, blue = 6, alpha = 0}}}}, gradient = {p1 = {x = 6, y = 75}, p2 = {x = 12, y = 6}}}, radial = {base = {base = {type = CAIRO_PATTERN_TYPE_SOLID, 
          ref_count = 0, status = 1072693248, user_data = {size = 0, num_elements = 0, element_size = 0, elements = 0x0, is_snapshot = 0}, matrix = {xx = -nan(0xffffa00000003), 
            yx = 2.1219957880008784e-314, xy = -2.3001927682663948e-42, yy = 1.5883120288779337e-314, x0 = -2.5387970627444266e-42, y0 = 6.7957377821856441e-316}, 
          filter = 3214778872, extend = 3074868190}, n_stops = 2, stops_size = 3214779652, stops = 0x0, stops_embedded = {{x = 137547264, color = {red = 6, green = 0, blue = 6, 
              alpha = 0}}, {x = 6, color = {red = 6, green = 0, blue = 6, alpha = 0}}}}, gradient = {c1 = {x = 6, y = 75, radius = 12}, c2 = {x = 6, y = 6, radius = 6}}}}}
	dev_mask = {base = {type = 6, ref_count = 6, status = 75, user_data = {size = 12, num_elements = 3214778776, element_size = 3214778772, elements = 0xbf9da144, 
      is_snapshot = -1080188676}, matrix = {xx = -0.028936039634034447, yx = -0.028935503192230691, xy = 3.5683811565255342e-269, yy = -1.8281225910081337e-40, 
      x0 = -1.2257654677352403e-40, y0 = 1.6615481974709479e-269}, filter = 134630720, extend = 134630754}, solid = {base = {type = 6, ref_count = 6, status = 75, user_data = {
        size = 12, num_elements = 3214778776, element_size = 3214778772, elements = 0xbf9da144, is_snapshot = -1080188676}, matrix = {xx = -0.028936039634034447, 
        yx = -0.028935503192230691, xy = 3.5683811565255342e-269, yy = -1.8281225910081337e-40, x0 = -1.2257654677352403e-40, y0 = 1.6615481974709479e-269}, filter = 134630720, 
      extend = 134630754}, color = {red = 1.519274939262216e-314, green = 0, blue = 0, alpha = -0.028936922550201416, red_short = 20220, green_short = 46924, blue_short = 41928, 
      alpha_short = 49053}}, surface = {base = {type = 6, ref_count = 6, status = 75, user_data = {size = 12, num_elements = 3214778776, element_size = 3214778772, 
        elements = 0xbf9da144, is_snapshot = -1080188676}, matrix = {xx = -0.028936039634034447, yx = -0.028935503192230691, xy = 3.5683811565255342e-269, 
        yy = -1.8281225910081337e-40, x0 = -1.2257654677352403e-40, y0 = 1.6615481974709479e-269}, filter = 134630720, extend = 134630754}, surface = 0xb7497d37}, gradient = {
    base = {base = {type = 6, ref_count = 6, status = 75, user_data = {size = 12, num_elements = 3214778776, element_size = 3214778772, elements = 0xbf9da144, 
          is_snapshot = -1080188676}, matrix = {xx = -0.028936039634034447, yx = -0.028935503192230691, xy = 3.5683811565255342e-269, yy = -1.8281225910081337e-40, 
          x0 = -1.2257654677352403e-40, y0 = 1.6615481974709479e-269}, filter = 134630720, extend = 134630754}, n_stops = 3075046711, stops_size = 0, stops = 0x0, 
      stops_embedded = {{x = 0, color = {red = 0, green = 0, blue = 0, alpha = 0}}, {x = 0, color = {red = 41380, green = 49053, blue = 20220, alpha = 46924}}}}, linear = {
      base = {base = {type = 6, ref_count = 6, status = 75, user_data = {size = 12, num_elements = 3214778776, element_size = 3214778772, elements = 0xbf9da144, 
            is_snapshot = -1080188676}, matrix = {xx = -0.028936039634034447, yx = -0.028935503192230691, xy = 3.5683811565255342e-269, yy = -1.8281225910081337e-40, 
            x0 = -1.2257654677352403e-40, y0 = 1.6615481974709479e-269}, filter = 134630720, extend = 134630754}, n_stops = 3075046711, stops_size = 0, stops = 0x0, 
        stops_embedded = {{x = 0, color = {red = 0, green = 0, blue = 0, alpha = 0}}, {x = 0, color = {red = 41380, green = 49053, blue = 20220, alpha = 46924}}}}, gradient = {
        p1 = {x = -1080187960, y = 0}, p2 = {x = 1072693248, y = 0}}}, radial = {base = {base = {type = 6, ref_count = 6, status = 75, user_data = {size = 12, 
            num_elements = 3214778776, element_size = 3214778772, elements = 0xbf9da144, is_snapshot = -1080188676}, matrix = {xx = -0.028936039634034447, 
            yx = -0.028935503192230691, xy = 3.5683811565255342e-269, yy = -1.8281225910081337e-40, x0 = -1.2257654677352403e-40, y0 = 1.6615481974709479e-269}, 
          filter = 134630720, extend = 134630754}, n_stops = 3075046711, stops_size = 0, stops = 0x0, stops_embedded = {{x = 0, color = {red = 0, green = 0, blue = 0, 
              alpha = 0}}, {x = 0, color = {red = 41380, green = 49053, blue = 20220, alpha = 46924}}}}, gradient = {c1 = {x = -1080187960, y = 0, radius = 1072693248}, c2 = {
          x = 0, y = 0, radius = 0}}}}}
	__PRETTY_FUNCTION__ = "_cairo_surface_mask"
#5  0xb746ed25 in _cairo_trapezoid_array_translate_and_scale (offset_traps=0xbf9da434, src_traps=0x0, num_traps=0, tx=-0.02894670142122777, ty=-8.9098791666468471e-41, 
    sx=-0.028946529566094278, sy=-2.3534389793309462e-185) at /build/buildd/libcairo-1.4.2/src/cairo-traps.c:272
	i = <value optimized out>
	xoff = 393222
	yoff = 1179729
#6  0xb746f051 in _cairo_traps_contain (traps=0x832ce00, x=-0.028949797153472907, y=6.7959836292510147e-316) at /build/buildd/libcairo-1.4.2/src/cairo-traps.c:512
	i = 5308416
	point = {x = 393222, y = 786507}
#7  0xb746c6db in ?? () at /build/buildd/libcairo-1.4.2/src/cairo-surface.c:1762 from /usr/lib/libcairo.so.2
	_cairo_surface_nil_write_error = {backend = 0x6e980, type = CAIRO_SURFACE_TYPE_IMAGE, content = CAIRO_CONTENT_COLOR, ref_count = 4294967295, 
  status = CAIRO_STATUS_WRITE_ERROR, finished = 0, user_data = {size = 0, num_elements = 0, element_size = 0, elements = 0x0, is_snapshot = 0}, device_transform = {xx = 1, 
    yx = 0, xy = 0, yy = 1, x0 = 0, y0 = 0}, device_transform_inverse = {xx = 1, yx = 0, xy = 0, yy = 1, x0 = 0, y0 = 0}, x_fallback_resolution = 0, y_fallback_resolution = 0, 
  clip = 0x0, next_clip_serial = 0, current_clip_serial = 0, is_snapshot = 0, has_font_options = 0, font_options = {antialias = CAIRO_ANTIALIAS_DEFAULT, 
    subpixel_order = CAIRO_SUBPIXEL_ORDER_DEFAULT, hint_style = CAIRO_HINT_STYLE_DEFAULT, hint_metrics = CAIRO_HINT_METRICS_DEFAULT}}
	_cairo_surface_nil = {backend = 0x6e980, type = CAIRO_SURFACE_TYPE_IMAGE, content = CAIRO_CONTENT_COLOR, ref_count = 4294967295, status = CAIRO_STATUS_NO_MEMORY, 
  finished = 0, user_data = {size = 0, num_elements = 0, element_size = 0, elements = 0x0, is_snapshot = 0}, device_transform = {xx = 1, yx = 0, xy = 0, yy = 1, x0 = 0, y0 = 0}, 
  device_transform_inverse = {xx = 1, yx = 0, xy = 0, yy = 1, x0 = 0, y0 = 0}, x_fallback_resolution = 0, y_fallback_resolution = 0, clip = 0x0, next_clip_serial = 0, 
  current_clip_serial = 0, is_snapshot = 0, has_font_options = 0, font_options = {antialias = CAIRO_ANTIALIAS_DEFAULT, subpixel_order = CAIRO_SUBPIXEL_ORDER_DEFAULT, 
    hint_style = CAIRO_HINT_STYLE_DEFAULT, hint_metrics = CAIRO_HINT_METRICS_DEFAULT}}
	_cairo_surface_nil_read_error = {backend = 0x6e980, type = CAIRO_SURFACE_TYPE_IMAGE, content = CAIRO_CONTENT_COLOR, ref_count = 4294967295, 
  status = CAIRO_STATUS_READ_ERROR, finished = 0, user_data = {size = 0, num_elements = 0, element_size = 0, elements = 0x0, is_snapshot = 0}, device_transform = {xx = 1, yx = 0, 
    xy = 0, yy = 1, x0 = 0, y0 = 0}, device_transform_inverse = {xx = 1, yx = 0, xy = 0, yy = 1, x0 = 0, y0 = 0}, x_fallback_resolution = 0, y_fallback_resolution = 0, 
  clip = 0x0, next_clip_serial = 0, current_clip_serial = 0, is_snapshot = 0, has_font_options = 0, font_options = {antialias = CAIRO_ANTIALIAS_DEFAULT, 
    subpixel_order = CAIRO_SUBPIXEL_ORDER_DEFAULT, hint_style = CAIRO_HINT_STYLE_DEFAULT, hint_metrics = CAIRO_HINT_METRICS_DEFAULT}}
	_cairo_surface_nil_file_not_found = {backend = 0x6e980, type = CAIRO_SURFACE_TYPE_IMAGE, content = CAIRO_CONTENT_COLOR, ref_count = 4294967295, 
  status = CAIRO_STATUS_FILE_NOT_FOUND, finished = 0, user_data = {size = 0, num_elements = 0, element_size = 0, elements = 0x0, is_snapshot = 0}, device_transform = {xx = 1, 
    yx = 0, xy = 0, yy = 1, x0 = 0, y0 = 0}, device_transform_inverse = {xx = 1, yx = 0, xy = 0, yy = 1, x0 = 0, y0 = 0}, x_fallback_resolution = 0, y_fallback_resolution = 0, 
  clip = 0x0, next_clip_serial = 0, current_clip_serial = 0, is_snapshot = 0, has_font_options = 0, font_options = {antialias = CAIRO_ANTIALIAS_DEFAULT, 
    subpixel_order = CAIRO_SUBPIXEL_ORDER_DEFAULT, hint_style = CAIRO_HINT_STYLE_DEFAULT, hint_metrics = CAIRO_HINT_METRICS_DEFAULT}}
#8  0x0832ce00 in ?? ()
#9  0x00000002 in ?? ()
#10 0xbf9da504 in ?? ()
#11 0x0832e170 in ?? ()
#12 0x00000000 in ?? ()"
Comment 1 Chris Wilson 2008-10-10 06:51:41 UTC 
Weird stacktrace, but XSetClipMask(gc=NULL) seems a familar bug that I've fixed, reintroduced and then had to fix again in 1.6.

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