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drm_prime: fix issue detected by valgrind 

Conditional jump or move depends on uninitialised value(s)
   at 0x10FE22: drm_prime_remove_handle_ref (drm_prime.c:144)
   by 0x10FCCD: drm_prime_destroy_framebuffer (drm_prime.c:107)
   by 0x10FEB1: set_current_frame (hwdec_drmprime_drm.c:73)
   by 0x11054F: overlay_frame (hwdec_drmprime_drm.c:223)
   by 0xF1311: gl_video_render_frame (video.c:3315)
   by 0xFA015: draw_frame (vo_gpu.c:85)
   by 0xF8FDB: render_frame (vo.c:961)
   by 0xF943F: vo_thread (vo.c:1099)
   by 0x5EBE89B: start_thread (in /lib/libpthread-2.31.so)
 Uninitialised value was created by a heap allocation
   at 0x484713C: realloc (vg_replace_malloc.c:1437)
   by 0x10258B: ta_realloc_size (ta.c:195)
   by 0x10325D: ta_xrealloc_size (ta_utils.c:298)
   by 0x10FDBF: drm_prime_add_handle_ref (drm_prime.c:133)
   by 0x10FC57: drm_prime_create_framebuffer (drm_prime.c:87)
   by 0x1102FF: overlay_frame (hwdec_drmprime_drm.c:188)
   by 0xF1311: gl_video_render_frame (video.c:3315)
   by 0xFA015: draw_frame (vo_gpu.c:85)
   by 0xF8FDB: render_frame (vo.c:961)
   by 0xF943F: vo_thread (vo.c:1099)
   by 0x5EBE89B: start_thread (in /lib/libpthread-2.31.so)

Conditional jump or move depends on uninitialised value(s)
   at 0x10FCE4: drm_prime_destroy_framebuffer (drm_prime.c:109)
   by 0x10FEB1: set_current_frame (hwdec_drmprime_drm.c:73)
   by 0x11054F: overlay_frame (hwdec_drmprime_drm.c:223)
   by 0xF1311: gl_video_render_frame (video.c:3315)
   by 0xFA015: draw_frame (vo_gpu.c:85)
   by 0xF8FDB: render_frame (vo.c:961)
   by 0xF943F: vo_thread (vo.c:1099)
   by 0x5EBE89B: start_thread (in /lib/libpthread-2.31.so)
 Uninitialised value was created by a heap allocation
   at 0x484713C: realloc (vg_replace_malloc.c:1437)
   by 0x10258B: ta_realloc_size (ta.c:195)
   by 0x10325D: ta_xrealloc_size (ta_utils.c:298)
   by 0x10FDBF: drm_prime_add_handle_ref (drm_prime.c:133)
   by 0x10FC57: drm_prime_create_framebuffer (drm_prime.c:87)
   by 0x1102FF: overlay_frame (hwdec_drmprime_drm.c:188)
   by 0xF1311: gl_video_render_frame (video.c:3315)
   by 0xFA015: draw_frame (vo_gpu.c:85)
   by 0xF8FDB: render_frame (vo.c:961)
   by 0xF943F: vo_thread (vo.c:1099)
   by 0x5EBE89B: start_thread (in /lib/libpthread-2.31.so)
This commit is contained in:
repojohnray 2022-05-07 17:18:06 +02:00 committed by Kacper Michajłow
parent bb7a485c09
commit d1e55a0e87
1 changed files with 5 additions and 2 deletions
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7
video/out/drm_prime.c
View File

@ -129,9 +129,12 @@ void drm_prime_add_handle_ref(struct drm_prime_handle_refs *handle_refs,
{
if (handle) {
if (handle > handle_refs->size) {
handle_refs->size = handle;
MP_TARRAY_GROW(handle_refs->ctx, handle_refs->handle_ref_count,
handle_refs->size);
handle);
memset(&handle_refs->handle_ref_count[handle_refs->size + 1], 0,
(handle - handle_refs->size)
* sizeof(handle_refs->handle_ref_count[0]));
handle_refs->size = handle;
}
handle_refs->handle_ref_count[handle - 1]++;
}