Module: libav Branch: master Commit: 71ea26811cbd8345cb10ab29406594e1fc19204e
Author: Ronald S. Bultje <[email protected]> Committer: Ronald S. Bultje <[email protected]> Date: Thu Mar 22 11:50:48 2012 -0700 aacsbr: handle m_max values smaller than 4. Prevents a signflip in the counter, and a subsequent crash because of overreads/overwrites. Found-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind CC: [email protected] --- libavcodec/x86/sbrdsp.asm | 1 + 1 files changed, 1 insertions(+), 0 deletions(-) diff --git a/libavcodec/x86/sbrdsp.asm b/libavcodec/x86/sbrdsp.asm index 31a1c8b..6f66327 100644 --- a/libavcodec/x86/sbrdsp.asm +++ b/libavcodec/x86/sbrdsp.asm @@ -81,6 +81,7 @@ cglobal sbr_hf_g_filt, 5, 6, 5 lea r2, [r2 + r3*4] lea r0, [r0 + r3*8] neg r3 + jz .loop1 .loop4: movlps m0, [r2 + 4*r3 + 0] movlps m1, [r2 + 4*r3 + 8] _______________________________________________ libav-commits mailing list [email protected] https://lists.libav.org/mailman/listinfo/libav-commits
