mirror of https://gitee.com/openkylin/linux.git
0ea2ea42b3
We need to keep the reference to the drm_gem_object until the last access by vkms_dumb_create. Therefore, the put the object after it is used. This fixes a use-after-free issue reported by syzbot. While here, change vkms_gem_create() symbol to static. Reported-and-tested-by: syzbot+e3372a2afe1e7ef04bc7@syzkaller.appspotmail.com Signed-off-by: Ezequiel Garcia <ezequiel@collabora.com> Reviewed-by: Rodrigo Siqueira <Rodrigo.Siqueira@amd.com> Signed-off-by: Rodrigo Siqueira <rodrigosiqueiramelo@gmail.com> Link: https://patchwork.freedesktop.org/patch/msgid/20200427214405.13069-1-ezequiel@collabora.com |
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| .. | ||
| Makefile | ||
| vkms_composer.c | ||
| vkms_crtc.c | ||
| vkms_drv.c | ||
| vkms_drv.h | ||
| vkms_gem.c | ||
| vkms_output.c | ||
| vkms_plane.c | ||