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render/gbm_allocator: fix gbm_device use-after-free

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We need to destroy any gbm_bo we've created before gbm_device_destroy.

Closes: https://github.com/swaywm/wlroots/issues/2601
This commit is contained in:
Simon Ser 2021-01-15 11:26:35 +01:00
parent 9dd059376c
commit c73a8cde83
2 changed files with 29 additions and 5 deletions
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6
include/render/gbm_allocator.h
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@ -8,7 +8,9 @@
struct wlr_gbm_buffer {
struct wlr_buffer base;
struct gbm_bo *gbm_bo;
struct wl_list link; // wlr_gbm_allocator.buffers
struct gbm_bo *gbm_bo; // NULL if the gbm_device has been destroyed
struct wlr_dmabuf_attributes dmabuf;
};
@ -17,6 +19,8 @@ struct wlr_gbm_allocator {
int fd;
struct gbm_device *gbm_device;
struct wl_list buffers; // wlr_gbm_buffer.link
};
/**