The error happens at the operation with the arrow to the left AppleCV3D`___lldb_unnamed_symbol65605$$AppleCV3D: 0x1c4550ec4 <+0>: pacibsp 0x1c4550ec8 <+4>: sub sp, sp, #0x40 0x1c4550ecc <+8>: stp x20, x19, [sp, #0x20] 0x1c4550ed0 <+12>: stp x29, x30, [sp, #0x30] 0x1c4550ed4 <+16>: add x29, sp, #0x30 0x1c4550ed8 <+20>: mov x20, x3 0x1c4550edc <+24>: mov x19, x8 0x1c4550ee0 <+28>: adrp x8, 70783 0x1c4550ee4 <+32>: ldr x8, [x8, #0x738] 0x1c4550ee8 <+36>: ldr x8, [x8] 0x1c4550eec <+40>: str x8, [sp, #0x18] -> 0x1c4550ef0 <+44>: ldr x0, [x0] 0x1c4550ef4 <+48>: mov x8, x19 0x1c4550ef8 <+52>: bl 0x1c4551134 ; ___lldb_unnamed_symbol65608$$AppleCV3D 0x1c4550efc <+56>: cbz w20, 0x1c455101c ; <+344> 0x1c4550f00 <+60>: str x19, [sp, #0x8] 0x1c4550f04 <+64>: add x0, sp, #0x8 0x1c4550f08 <+68>: mov x1, sp 0x1c4550f0c <+72>: bl 0x1c4555610 ; ___lldb_unnamed_symbol65627$$AppleCV3D 0x1c4550f10 <+76>: fsqrt s0, s0 0x1c4550f14 <+80>: fmov s1, #1.00000000 0x1c4550f18 <+84>: fdiv s0, s1, s0 0x1c4550f1c <+88>: ldp q1, q2, [x19] 0x1c4550f20 <+92>: fmul.4s v1, v1, v0[0] 0x1c4550f24 <+96>: fmul.4s v2, v2, v0[0] 0x1c4550f28 <+100>: stp q1, q2, [x19] 0x1c4550f2c <+104>: ldp q1, q2, [x19, #0x20] 0x1c4550f30 <+108>: fmul.4s v1, v1, v0[0] 0x1c4550f34 <+112>: fmul.4s v2, v2, v0[0] 0x1c4550f38 <+116>: stp q1, q2, [x19, #0x20] 0x1c4550f3c <+120>: ldp q1, q2, [x19, #0x40] 0x1c4550f40 <+124>: fmul.4s v1, v1, v0[0] 0x1c4550f44 <+128>: fmul.4s v2, v2, v0[0] 0x1c4550f48 <+132>: stp q1, q2, [x19, #0x40] 0x1c4550f4c <+136>: ldp q1, q2, [x19, #0x60] 0x1c4550f50 <+140>: fmul.4s v1, v1, v0[0] 0x1c4550f54 <+144>: fmul.4s v2, v2, v0[0] 0x1c4550f58 <+148>: stp q1, q2, [x19, #0x60] 0x1c4550f5c <+152>: ldp q1, q2, [x19, #0x80] 0x1c4550f60 <+156>: fmul.4s v1, v1, v0[0] 0x1c4550f64 <+160>: fmul.4s v2, v2, v0[0] 0x1c4550f68 <+164>: stp q1, q2, [x19, #0x80] 0x1c4550f6c <+168>: ldp q1, q2, [x19, #0xa0] 0x1c4550f70 <+172>: fmul.4s v1, v1, v0[0] 0x1c4550f74 <+176>: fmul.4s v2, v2, v0[0] 0x1c4550f78 <+180>: stp q1, q2, [x19, #0xa0] 0x1c4550f7c <+184>: ldp q1, q2, [x19, #0xc0] 0x1c4550f80 <+188>: fmul.4s v1, v1, v0[0] 0x1c4550f84 <+192>: fmul.4s v2, v2, v0[0] 0x1c4550f88 <+196>: stp q1, q2, [x19, #0xc0] 0x1c4550f8c <+200>: ldp q1, q2, [x19, #0xe0] 0x1c4550f90 <+204>: fmul.4s v1, v1, v0[0] 0x1c4550f94 <+208>: fmul.4s v2, v2, v0[0] 0x1c4550f98 <+212>: stp q1, q2, [x19, #0xe0] 0x1c4550f9c <+216>: ldp q1, q2, [x19, #0x100] 0x1c4550fa0 <+220>: fmul.4s v1, v1, v0[0] 0x1c4550fa4 <+224>: fmul.4s v2, v2, v0[0] 0x1c4550fa8 <+228>: stp q1, q2, [x19, #0x100] 0x1c4550fac <+232>: ldp q1, q2, [x19, #0x120] 0x1c4550fb0 <+236>: fmul.4s v1, v1, v0[0] 0x1c4550fb4 <+240>: fmul.4s v2, v2, v0[0] 0x1c4550fb8 <+244>: stp q1, q2, [x19, #0x120] 0x1c4550fbc <+248>: ldp q1, q2, [x19, #0x140] 0x1c4550fc0 <+252>: fmul.4s v1, v1, v0[0] 0x1c4550fc4 <+256>: fmul.4s v2, v2, v0[0] 0x1c4550fc8 <+260>: stp q1, q2, [x19, #0x140] 0x1c4550fcc <+264>: ldp q1, q2, [x19, #0x160] 0x1c4550fd0 <+268>: fmul.4s v1, v1, v0[0] 0x1c4550fd4 <+272>: fmul.4s v2, v2, v0[0] 0x1c4550fd8 <+276>: stp q1, q2, [x19, #0x160] 0x1c4550fdc <+280>: ldp q1, q2, [x19, #0x180] 0x1c4550fe0 <+284>: fmul.4s v1, v1, v0[0] 0x1c4550fe4 <+288>: fmul.4s v2, v2, v0[0] 0x1c4550fe8 <+292>: stp q1, q2, [x19, #0x180] 0x1c4550fec <+296>: ldp q1, q2, [x19, #0x1a0] 0x1c4550ff0 <+300>: fmul.4s v1, v1, v0[0] 0x1c4550ff4 <+304>: fmul.4s v2, v2, v0[0] 0x1c4550ff8 <+308>: stp q1, q2, [x19, #0x1a0] 0x1c4550ffc <+312>: ldp q1, q2, [x19, #0x1c0] 0x1c4551000 <+316>: fmul.4s v1, v1, v0[0] 0x1c4551004 <+320>: fmul.4s v2, v2, v0[0] 0x1c4551008 <+324>: stp q1, q2, [x19, #0x1c0] 0x1c455100c <+328>: ldp q1, q2, [x19, #0x1e0] 0x1c4551010 <+332>: fmul.4s v1, v1, v0[0] 0x1c4551014 <+336>: fmul.4s v0, v2, v0[0] 0x1c4551018 <+340>: stp q1, q0, [x19, #0x1e0] 0x1c455101c <+344>: ldr x8, [sp, #0x18] 0x1c4551020 <+348>: adrp x9, 70782 0x1c4551024 <+352>: ldr x9, [x9, #0x738] 0x1c4551028 <+356>: ldr x9, [x9] 0x1c455102c <+360>: cmp x9, x8 0x1c4551030 <+364>: b.ne 0x1c4551044 ; <+384> 0x1c4551034 <+368>: ldp x29, x30, [sp, #0x30] 0x1c4551038 <+372>: ldp x20, x19, [sp, #0x20] 0x1c455103c <+376>: add sp, sp, #0x40 0x1c4551040 <+380>: retab 0x1c4551044 <+384>: bl 0x1bd1e5300 ; symbol stub for: __stack_chk_fail