PR #20984 opened by James Almer (jamrial) URL: https://code.ffmpeg.org/FFmpeg/FFmpeg/pulls/20984 Patch URL: https://code.ffmpeg.org/FFmpeg/FFmpeg/pulls/20984.patch
>From 1c311c52834b125a9af4637b04df33194565450c Mon Sep 17 00:00:00 2001 From: James Almer <[email protected]> Date: Thu, 20 Nov 2025 18:15:23 -0300 Subject: [PATCH] swscale/x86/ops: fix signed integer related UB in normalize_clear() Signed-off-by: James Almer <[email protected]> --- libswscale/x86/ops.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/libswscale/x86/ops.c b/libswscale/x86/ops.c index 26f49582ae..97bee93f5b 100644 --- a/libswscale/x86/ops.c +++ b/libswscale/x86/ops.c @@ -616,8 +616,8 @@ static void normalize_clear(SwsOp *op) if (!op->c.q4[i].den) continue; switch (ff_sws_pixel_type_size(op->type)) { - case 1: c.u32 = 0x1010101 * priv.u8[i]; break; - case 2: c.u32 = priv.u16[i] << 16 | priv.u16[i]; break; + case 1: c.u32 = 0x1010101U * priv.u8[i]; break; + case 2: c.u32 = (uint32_t)priv.u16[i] << 16 | priv.u16[i]; break; case 4: c.u32 = priv.u32[i]; break; } -- 2.49.1 _______________________________________________ ffmpeg-devel mailing list -- [email protected] To unsubscribe send an email to [email protected]
