From: Andre Kempe <Andre.Kempe@arm.com>
To: "ffmpeg-devel@ffmpeg.org" <ffmpeg-devel@ffmpeg.org>
Cc: "Martin Storsjö" <martin@martin.st>
Subject: [FFmpeg-devel] [PATCH] Fix wrong BTI landing pad
Date: Fri, 22 Apr 2022 14:31:09 +0000
Message-ID: <DBBPR08MB5547D0921643C95B09DA0615EFF79@DBBPR08MB5547.eurprd08.prod.outlook.com> (raw)
This patch fixes a wrong type of BTI landing pad when branching to
functions instantiated via the fft*_neon macro.
Although the previously employed paciasp instruction serves as a landing
pad, for the ways that this function is invoked it is the wrong type.
Signed-off-by: André Kempe <andre.kempe@arm.com>
---
libavcodec/aarch64/fft_neon.S | 1 +
1 file changed, 1 insertion(+)
diff --git a/libavcodec/aarch64/fft_neon.S b/libavcodec/aarch64/fft_neon.S
index dd5f55eb87..9ff3f9c526 100644
--- a/libavcodec/aarch64/fft_neon.S
+++ b/libavcodec/aarch64/fft_neon.S
@@ -340,6 +340,7 @@ endfunc
.macro def_fft n, n2, n4
function fft\n\()_neon, align=6
+ AARCH64_VALID_JUMP_TARGET
AARCH64_SIGN_LINK_REGISTER
sub sp, sp, #16
stp x28, x30, [sp]
--
2.25.1
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