Index: libavcodec/aarch64/fft_neon.S
--- libavcodec/aarch64/fft_neon.S.orig
+++ libavcodec/aarch64/fft_neon.S
@@ -36,6 +36,7 @@
 
 
 function fft4_neon
+        AARCH64_VALID_JUMP_TARGET
         ld1             {v0.2s,v1.2s,v2.2s,v3.2s}, [x0]
 
         fadd            v4.2s,  v0.2s,  v1.2s   // r0+r1,i0+i1
@@ -58,6 +59,7 @@ function fft4_neon
 endfunc
 
 function fft8_neon
+        AARCH64_VALID_JUMP_TARGET
         mov             x1,  x0
         ld1             {v0.2s, v1.2s, v2.2s, v3.2s},  [x0], #32
         ld1             {v16.2s,v17.2s,v18.2s,v19.2s}, [x0]
@@ -108,6 +110,7 @@ function fft8_neon
 endfunc
 
 function fft16_neon
+        AARCH64_VALID_JUMP_TARGET
         mov             x1,  x0
         ld1             {v0.2s, v1.2s, v2.2s, v3.2s},  [x0], #32
         ld1             {v16.2s,v17.2s,v18.2s,v19.2s}, [x0], #32
@@ -337,6 +340,8 @@ 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]
         add             x28, x0,  #\n4*2*8
@@ -347,6 +352,7 @@ function fft\n\()_neon, align=6
         bl              fft\n4\()_neon
         sub             x0,  x28, #\n4*2*8
         ldp             x28, x30, [sp], #16
+        AARCH64_VALIDATE_LINK_REGISTER
         movrel          x4,  X(ff_cos_\n)
         mov             x2,  #\n4>>1
         b               fft_pass_neon