[clang] [llvm] [Clang][AArch64] Command-line options for A-profile's Return Address Authentication Hardening (PR #176171)

[LLVM Continuous Integration via cfe-commits]

llvm-ci wrote:

LLVM Buildbot has detected a new failure on builder `sanitizer-aarch64-linux-bootstrap-hwasan` running on `sanitizer-buildbot11` while building `clang,llvm` at step 2 "annotate".

Full details are available at: https://lab.llvm.org/buildbot/#/builders/55/builds/34265

<details>
<summary>Here is the relevant piece of the build log for the reference</summary>

```
Step 2 (annotate) failure: 'python ../sanitizer_buildbot/sanitizers/zorg/buildbot/builders/sanitizers/buildbot_selector.py' (failure)
...
llvm-lit: /home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/llvm-project/llvm/utils/lit/lit/llvm/config.py:572: note: using ld.lld: /home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/llvm_build_hwasan/bin/ld.lld
llvm-lit: /home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/llvm-project/llvm/utils/lit/lit/llvm/config.py:572: note: using lld-link: /home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/llvm_build_hwasan/bin/lld-link
llvm-lit: /home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/llvm-project/llvm/utils/lit/lit/llvm/config.py:572: note: using ld64.lld: /home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/llvm_build_hwasan/bin/ld64.lld
llvm-lit: /home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/llvm-project/llvm/utils/lit/lit/llvm/config.py:572: note: using wasm-ld: /home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/llvm_build_hwasan/bin/wasm-ld
llvm-lit: /home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/llvm-project/llvm/utils/lit/lit/llvm/config.py:572: note: using ld.lld: /home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/llvm_build_hwasan/bin/ld.lld
llvm-lit: /home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/llvm-project/llvm/utils/lit/lit/llvm/config.py:572: note: using lld-link: /home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/llvm_build_hwasan/bin/lld-link
llvm-lit: /home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/llvm-project/llvm/utils/lit/lit/llvm/config.py:572: note: using ld64.lld: /home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/llvm_build_hwasan/bin/ld64.lld
llvm-lit: /home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/llvm-project/llvm/utils/lit/lit/llvm/config.py:572: note: using wasm-ld: /home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/llvm_build_hwasan/bin/wasm-ld
-- Testing: 104610 tests, 72 workers --
Testing:  0..
FAIL: Clang :: CodeGen/aarch64-sign-return-address-harden.c (9247 of 104610)
******************** TEST 'Clang :: CodeGen/aarch64-sign-return-address-harden.c' FAILED ********************
Exit Code: 1

Command Output (stdout):
--
# RUN: at line 1
/home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/llvm_build_hwasan/bin/clang -target aarch64 -S -emit-llvm -o - /home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/llvm-project/clang/test/CodeGen/aarch64-sign-return-address-harden.c -mbranch-protection=none  | /home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/llvm_build_hwasan/bin/FileCheck /home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/llvm-project/clang/test/CodeGen/aarch64-sign-return-address-harden.c --check-prefixes=CHECK-NO-HARDEN
# executed command: /home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/llvm_build_hwasan/bin/clang -target aarch64 -S -emit-llvm -o - /home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/llvm-project/clang/test/CodeGen/aarch64-sign-return-address-harden.c -mbranch-protection=none
# note: command had no output on stdout or stderr
# executed command: /home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/llvm_build_hwasan/bin/FileCheck /home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/llvm-project/clang/test/CodeGen/aarch64-sign-return-address-harden.c --check-prefixes=CHECK-NO-HARDEN
# note: command had no output on stdout or stderr
# RUN: at line 3
/home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/llvm_build_hwasan/bin/clang -target aarch64-linux-pauthtest -S -emit-llvm -o - /home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/llvm-project/clang/test/CodeGen/aarch64-sign-return-address-harden.c -fno-ptrauth-returns  | /home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/llvm_build_hwasan/bin/FileCheck /home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/llvm-project/clang/test/CodeGen/aarch64-sign-return-address-harden.c --check-prefixes=CHECK-NO-HARDEN
# executed command: /home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/llvm_build_hwasan/bin/clang -target aarch64-linux-pauthtest -S -emit-llvm -o - /home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/llvm-project/clang/test/CodeGen/aarch64-sign-return-address-harden.c -fno-ptrauth-returns
# note: command had no output on stdout or stderr
# executed command: /home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/llvm_build_hwasan/bin/FileCheck /home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/llvm-project/clang/test/CodeGen/aarch64-sign-return-address-harden.c --check-prefixes=CHECK-NO-HARDEN
# note: command had no output on stdout or stderr
# RUN: at line 5
/home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/llvm_build_hwasan/bin/clang -target aarch64 -S -emit-llvm -o - /home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/llvm-project/clang/test/CodeGen/aarch64-sign-return-address-harden.c -mbranch-protection=pac-ret  | /home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/llvm_build_hwasan/bin/FileCheck /home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/llvm-project/clang/test/CodeGen/aarch64-sign-return-address-harden.c --check-prefixes=CHECK-NO-HARDEN
# executed command: /home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/llvm_build_hwasan/bin/clang -target aarch64 -S -emit-llvm -o - /home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/llvm-project/clang/test/CodeGen/aarch64-sign-return-address-harden.c -mbranch-protection=pac-ret
# note: command had no output on stdout or stderr
# executed command: /home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/llvm_build_hwasan/bin/FileCheck /home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/llvm-project/clang/test/CodeGen/aarch64-sign-return-address-harden.c --check-prefixes=CHECK-NO-HARDEN
# note: command had no output on stdout or stderr
# RUN: at line 7
/home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/llvm_build_hwasan/bin/clang -target aarch64-linux-pauthtest -S -emit-llvm -o - /home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/llvm-project/clang/test/CodeGen/aarch64-sign-return-address-harden.c -fptrauth-returns  | /home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/llvm_build_hwasan/bin/FileCheck /home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/llvm-project/clang/test/CodeGen/aarch64-sign-return-address-harden.c --check-prefixes=CHECK-NO-HARDEN
# executed command: /home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/llvm_build_hwasan/bin/clang -target aarch64-linux-pauthtest -S -emit-llvm -o - /home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/llvm-project/clang/test/CodeGen/aarch64-sign-return-address-harden.c -fptrauth-returns
# note: command had no output on stdout or stderr
# executed command: /home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/llvm_build_hwasan/bin/FileCheck /home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/llvm-project/clang/test/CodeGen/aarch64-sign-return-address-harden.c --check-prefixes=CHECK-NO-HARDEN
# note: command had no output on stdout or stderr
# RUN: at line 9
/home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/llvm_build_hwasan/bin/clang -target aarch64 -S -emit-llvm -o - /home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/llvm-project/clang/test/CodeGen/aarch64-sign-return-address-harden.c -mbranch-protection=pac-ret -mharden-pac-ret=none  | /home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/llvm_build_hwasan/bin/FileCheck /home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/llvm-project/clang/test/CodeGen/aarch64-sign-return-address-harden.c --check-prefixes=CHECK-NO-HARDEN
# executed command: /home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/llvm_build_hwasan/bin/clang -target aarch64 -S -emit-llvm -o - /home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/llvm-project/clang/test/CodeGen/aarch64-sign-return-address-harden.c -mbranch-protection=pac-ret -mharden-pac-ret=none
# note: command had no output on stdout or stderr
# executed command: /home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/llvm_build_hwasan/bin/FileCheck /home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/llvm-project/clang/test/CodeGen/aarch64-sign-return-address-harden.c --check-prefixes=CHECK-NO-HARDEN
# note: command had no output on stdout or stderr
# RUN: at line 11
/home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/llvm_build_hwasan/bin/clang -target aarch64-linux-pauthtest -S -emit-llvm -o - /home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/llvm-project/clang/test/CodeGen/aarch64-sign-return-address-harden.c -fptrauth-returns -mharden-pac-ret=none  | /home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/llvm_build_hwasan/bin/FileCheck /home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/llvm-project/clang/test/CodeGen/aarch64-sign-return-address-harden.c --check-prefixes=CHECK-NO-HARDEN
# executed command: /home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/llvm_build_hwasan/bin/clang -target aarch64-linux-pauthtest -S -emit-llvm -o - /home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/llvm-project/clang/test/CodeGen/aarch64-sign-return-address-harden.c -fptrauth-returns -mharden-pac-ret=none
Step 11 (stage2/hwasan check) failure: stage2/hwasan check (failure)
...
llvm-lit: /home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/llvm-project/llvm/utils/lit/lit/llvm/config.py:572: note: using ld.lld: /home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/llvm_build_hwasan/bin/ld.lld
llvm-lit: /home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/llvm-project/llvm/utils/lit/lit/llvm/config.py:572: note: using lld-link: /home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/llvm_build_hwasan/bin/lld-link
llvm-lit: /home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/llvm-project/llvm/utils/lit/lit/llvm/config.py:572: note: using ld64.lld: /home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/llvm_build_hwasan/bin/ld64.lld
llvm-lit: /home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/llvm-project/llvm/utils/lit/lit/llvm/config.py:572: note: using wasm-ld: /home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/llvm_build_hwasan/bin/wasm-ld
llvm-lit: /home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/llvm-project/llvm/utils/lit/lit/llvm/config.py:572: note: using ld.lld: /home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/llvm_build_hwasan/bin/ld.lld
llvm-lit: /home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/llvm-project/llvm/utils/lit/lit/llvm/config.py:572: note: using lld-link: /home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/llvm_build_hwasan/bin/lld-link
llvm-lit: /home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/llvm-project/llvm/utils/lit/lit/llvm/config.py:572: note: using ld64.lld: /home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/llvm_build_hwasan/bin/ld64.lld
llvm-lit: /home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/llvm-project/llvm/utils/lit/lit/llvm/config.py:572: note: using wasm-ld: /home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/llvm_build_hwasan/bin/wasm-ld
-- Testing: 104610 tests, 72 workers --
Testing:  0..
FAIL: Clang :: CodeGen/aarch64-sign-return-address-harden.c (9247 of 104610)
******************** TEST 'Clang :: CodeGen/aarch64-sign-return-address-harden.c' FAILED ********************
Exit Code: 1

Command Output (stdout):
--
# RUN: at line 1
/home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/llvm_build_hwasan/bin/clang -target aarch64 -S -emit-llvm -o - /home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/llvm-project/clang/test/CodeGen/aarch64-sign-return-address-harden.c -mbranch-protection=none  | /home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/llvm_build_hwasan/bin/FileCheck /home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/llvm-project/clang/test/CodeGen/aarch64-sign-return-address-harden.c --check-prefixes=CHECK-NO-HARDEN
# executed command: /home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/llvm_build_hwasan/bin/clang -target aarch64 -S -emit-llvm -o - /home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/llvm-project/clang/test/CodeGen/aarch64-sign-return-address-harden.c -mbranch-protection=none
# note: command had no output on stdout or stderr
# executed command: /home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/llvm_build_hwasan/bin/FileCheck /home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/llvm-project/clang/test/CodeGen/aarch64-sign-return-address-harden.c --check-prefixes=CHECK-NO-HARDEN
# note: command had no output on stdout or stderr
# RUN: at line 3
/home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/llvm_build_hwasan/bin/clang -target aarch64-linux-pauthtest -S -emit-llvm -o - /home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/llvm-project/clang/test/CodeGen/aarch64-sign-return-address-harden.c -fno-ptrauth-returns  | /home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/llvm_build_hwasan/bin/FileCheck /home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/llvm-project/clang/test/CodeGen/aarch64-sign-return-address-harden.c --check-prefixes=CHECK-NO-HARDEN
# executed command: /home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/llvm_build_hwasan/bin/clang -target aarch64-linux-pauthtest -S -emit-llvm -o - /home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/llvm-project/clang/test/CodeGen/aarch64-sign-return-address-harden.c -fno-ptrauth-returns
# note: command had no output on stdout or stderr
# executed command: /home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/llvm_build_hwasan/bin/FileCheck /home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/llvm-project/clang/test/CodeGen/aarch64-sign-return-address-harden.c --check-prefixes=CHECK-NO-HARDEN
# note: command had no output on stdout or stderr
# RUN: at line 5
/home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/llvm_build_hwasan/bin/clang -target aarch64 -S -emit-llvm -o - /home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/llvm-project/clang/test/CodeGen/aarch64-sign-return-address-harden.c -mbranch-protection=pac-ret  | /home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/llvm_build_hwasan/bin/FileCheck /home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/llvm-project/clang/test/CodeGen/aarch64-sign-return-address-harden.c --check-prefixes=CHECK-NO-HARDEN
# executed command: /home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/llvm_build_hwasan/bin/clang -target aarch64 -S -emit-llvm -o - /home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/llvm-project/clang/test/CodeGen/aarch64-sign-return-address-harden.c -mbranch-protection=pac-ret
# note: command had no output on stdout or stderr
# executed command: /home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/llvm_build_hwasan/bin/FileCheck /home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/llvm-project/clang/test/CodeGen/aarch64-sign-return-address-harden.c --check-prefixes=CHECK-NO-HARDEN
# note: command had no output on stdout or stderr
# RUN: at line 7
/home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/llvm_build_hwasan/bin/clang -target aarch64-linux-pauthtest -S -emit-llvm -o - /home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/llvm-project/clang/test/CodeGen/aarch64-sign-return-address-harden.c -fptrauth-returns  | /home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/llvm_build_hwasan/bin/FileCheck /home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/llvm-project/clang/test/CodeGen/aarch64-sign-return-address-harden.c --check-prefixes=CHECK-NO-HARDEN
# executed command: /home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/llvm_build_hwasan/bin/clang -target aarch64-linux-pauthtest -S -emit-llvm -o - /home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/llvm-project/clang/test/CodeGen/aarch64-sign-return-address-harden.c -fptrauth-returns
# note: command had no output on stdout or stderr
# executed command: /home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/llvm_build_hwasan/bin/FileCheck /home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/llvm-project/clang/test/CodeGen/aarch64-sign-return-address-harden.c --check-prefixes=CHECK-NO-HARDEN
# note: command had no output on stdout or stderr
# RUN: at line 9
/home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/llvm_build_hwasan/bin/clang -target aarch64 -S -emit-llvm -o - /home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/llvm-project/clang/test/CodeGen/aarch64-sign-return-address-harden.c -mbranch-protection=pac-ret -mharden-pac-ret=none  | /home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/llvm_build_hwasan/bin/FileCheck /home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/llvm-project/clang/test/CodeGen/aarch64-sign-return-address-harden.c --check-prefixes=CHECK-NO-HARDEN
# executed command: /home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/llvm_build_hwasan/bin/clang -target aarch64 -S -emit-llvm -o - /home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/llvm-project/clang/test/CodeGen/aarch64-sign-return-address-harden.c -mbranch-protection=pac-ret -mharden-pac-ret=none
# note: command had no output on stdout or stderr
# executed command: /home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/llvm_build_hwasan/bin/FileCheck /home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/llvm-project/clang/test/CodeGen/aarch64-sign-return-address-harden.c --check-prefixes=CHECK-NO-HARDEN
# note: command had no output on stdout or stderr
# RUN: at line 11
/home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/llvm_build_hwasan/bin/clang -target aarch64-linux-pauthtest -S -emit-llvm -o - /home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/llvm-project/clang/test/CodeGen/aarch64-sign-return-address-harden.c -fptrauth-returns -mharden-pac-ret=none  | /home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/llvm_build_hwasan/bin/FileCheck /home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/llvm-project/clang/test/CodeGen/aarch64-sign-return-address-harden.c --check-prefixes=CHECK-NO-HARDEN
# executed command: /home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/llvm_build_hwasan/bin/clang -target aarch64-linux-pauthtest -S -emit-llvm -o - /home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/llvm-project/clang/test/CodeGen/aarch64-sign-return-address-harden.c -fptrauth-returns -mharden-pac-ret=none

```

</details>

https://github.com/llvm/llvm-project/pull/176171