[QP] Check BPP capabilities before loading the palette #16863
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tzarc
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Apr 16, 2022
cadusk
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Apr 18, 2022
* qmk/develop: (163 commits) Expose API for hardware unique ID (qmk#16869) [Keyboard] Add CrimsonKeyboards' Resume1800 (qmk#16842) [Keyboard] sandbox - fix keymaps (qmk#16873) [Keyboard] Add deskpad (qmk#15602) Fix one-shot locked modifiers (qmk#16114) Ploopy Trackball Mini: only define DPI options as needed (qmk#16160) [Keyboard] Add the Ciel (qmk#16816) [Keyboard] Add digicarpice (qmk#16791) [Keyboard] SharkPCB release Beta compatibility (qmk#16713) Add customizable snake and knight animation increments (qmk#16337) [Keyboard] Add sandbox keyboard (qmk#16021) Anne Pro 2 Refactor (qmk#16864) Refine LED indicator documentation (qmk#16304) Fix qmk#16859. (qmk#16865) [QP] Check BPP capabilities before loading the palette (qmk#16863) rgblight: Add functions to stop blinking one or all but one layer (qmk#16859) Heatmap incorrect matrix effect workaround (qmk#16315) [Keyboard] Add Phase One keyboard (qmk#16430) Fix Xorg segfault with KeebCats PCBs (qmk#16434) Add GET_TAPPING_TERM macro to reduce duplicate code (qmk#16681) ...
0xcharly
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Jul 4, 2022
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Description
Loading and drawing an image with 256 colors on a firmware with 16 colors maximum enabled, leads to memory corruption because the palette is loaded before checking if it this is even possible. This overwrites unrelated memory in https://github.com/qmk/qmk_firmware/blob/develop/quantum/painter/qp_draw_core.c#L124-L141. Without the change the firmware hard-faults at runtime.
Types of Changes
Issues Fixed or Closed by This PR
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