| Fix SIGBUS from ghostscipt. |
| |
| Picking patch (git hash: 8197eaf98c552991a0b7f8068ff3fcce56c07803) |
| from upstream. |
| |
| Found via printing to Epson printers from ARMv8 aarch64 chromebooks. |
| |
| From: Luum Habtemariam <luum@chromium.org> |
| Bug: https://bugs.chromium.org/p/chromium/issues/detail?id=825537 |
| diff --git a/base/gxclist.c b/base/gxclist.c |
| index e5526c5..249bfc4 100644 |
| --- a/base/gxclist.c |
| +++ b/base/gxclist.c |
| @@ -401,6 +401,7 @@ clist_init_data(gx_device * dev, byte * init_data, uint data_size) |
| gx_device_memory bdev; |
| gx_device *pbdev = (gx_device *)&bdev; |
| int code; |
| + int align = 1 << (target->log2_align_mod > log2_align_bitmap_mod ? target->log2_align_mod : log2_align_bitmap_mod); |
| |
| /* the clist writer has its own color info that depends upon the |
| transparency group color space (if transparency exists). The data that is |
| @@ -444,6 +445,7 @@ clist_init_data(gx_device * dev, byte * init_data, uint data_size) |
| return_error(gs_error_rangecheck); |
| } |
| bits_size = min(band_space - band_data_size, data_size >> 1); |
| + bits_size = ROUND_DOWN(bits_size, align); |
| } else { |
| int adjusted; |
| /* |
| @@ -452,6 +454,7 @@ clist_init_data(gx_device * dev, byte * init_data, uint data_size) |
| */ |
| bits_size = clist_tile_cache_size(target, band_space); |
| bits_size = min(bits_size, data_size >> 1); |
| + bits_size = ROUND_UP(bits_size, align); |
| band_height = gdev_mem_max_height(&bdev, band_width, |
| band_space - bits_size, page_uses_transparency); |
| if (band_height == 0) { |
