[Bug 199425] BUG: KASAN: use-after-free in drm_atomic_helper_wait_for_flip_done+0x247/0x260

bugzilla-daemon at bugzilla.kernel.org bugzilla-daemon at bugzilla.kernel.org
Wed Apr 25 21:08:39 UTC 2018


https://bugzilla.kernel.org/show_bug.cgi?id=199425

--- Comment #1 from Johannes Hirte (johannes.hirte at datenkhaos.de) ---
(gdb) list *(drm_atomic_helper_wait_for_flip_done+0x247)
0xffffffff82043447 is in drm_atomic_helper_wait_for_flip_done
(drivers/gpu/drm/drm_atomic_helper.c:1381).
1376            struct drm_crtc_state *new_crtc_state;
1377            struct drm_crtc *crtc;
1378            int i;
1379
1380            for_each_new_crtc_in_state(old_state, crtc, new_crtc_state, i)
{
1381                    struct drm_crtc_commit *commit =
new_crtc_state->commit;
1382                    int ret;
1383
1384                    if (!commit)
1385                            continue;
(gdb)

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