Stefan Dirsch
337c2ab712
- Fix zero-division with empty height (bnc#879462) u_mesa-gallium-llvmpipe-fix-SIGFPE.patch OBS-URL: https://build.opensuse.org/request/show/235536 OBS-URL: https://build.opensuse.org/package/show/X11:XOrg/Mesa?expand=0&rev=378
25 lines
909 B
Diff
25 lines
909 B
Diff
From: Takashi Iwai <tiwai@suse.de>
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Subject: Fix zero-division in llvmpipe_texture_layout()
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References: bnc#879462
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Fix the crash of "gnome-control-center info" invocation on QEMU where
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zero height is passed at init.
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Signed-off-by: Takashi Iwai <tiwai@suse.de>
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---
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src/gallium/drivers/llvmpipe/lp_texture.c | 2 +-
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1 file changed, 1 insertion(+), 1 deletion(-)
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--- a/src/gallium/drivers/llvmpipe/lp_texture.c
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+++ b/src/gallium/drivers/llvmpipe/lp_texture.c
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@@ -115,7 +115,7 @@ llvmpipe_texture_layout(struct llvmpipe_
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lpr->row_stride[level] = align(nblocksx * block_size, util_cpu_caps.cacheline);
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/* if row_stride * height > LP_MAX_TEXTURE_SIZE */
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- if (lpr->row_stride[level] > LP_MAX_TEXTURE_SIZE / nblocksy) {
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+ if (nblocksy && lpr->row_stride[level] > LP_MAX_TEXTURE_SIZE / nblocksy) {
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/* image too large */
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goto fail;
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}
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