[clang] [ubsan] Connect -fsanitize-skip-hot-cutoff to LowerAllowCheckPass<cutoffs> (PR #124857)

LLVM Continuous Integration via cfe-commits cfe-commits at lists.llvm.org
Wed Jan 29 22:16:07 PST 2025


llvm-ci wrote:

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

Full details are available at: https://lab.llvm.org/buildbot/#/builders/55/builds/6340

<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:506: 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:506: 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:506: 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:506: 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:506: 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:506: 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:506: 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/main.py:72: note: The test suite configuration requested an individual test timeout of 0 seconds but a timeout of 900 seconds was requested on the command line. Forcing timeout to be 900 seconds.
-- Testing: 86205 tests, 72 workers --
Testing:  0.
FAIL: Clang :: CodeGen/allow-ubsan-check-inline.c (6468 of 86205)
******************** TEST 'Clang :: CodeGen/allow-ubsan-check-inline.c' FAILED ********************
Exit Code: 1

Command Output (stderr):
--
RUN: at line 1: /home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/llvm_build_hwasan/bin/clang -cc1 -internal-isystem /home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/llvm_build_hwasan/lib/clang/21/include -nostdsysteminc -triple x86_64-pc-linux-gnu -emit-llvm -o - /home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/llvm-project/clang/test/CodeGen/allow-ubsan-check-inline.c -fsanitize=signed-integer-overflow -fsanitize-skip-hot-cutoff=signed-integer-overflow=0.000001 -O3 -mllvm -lower-allow-check-random-rate=1 -Rpass=lower-allow-check -Rpass-missed=lower-allow-check -fno-inline 2>&1 | /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/allow-ubsan-check-inline.c --check-prefixes=NOINL --implicit-check-not="remark:"
+ /home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/llvm_build_hwasan/bin/clang -cc1 -internal-isystem /home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/llvm_build_hwasan/lib/clang/21/include -nostdsysteminc -triple x86_64-pc-linux-gnu -emit-llvm -o - /home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/llvm-project/clang/test/CodeGen/allow-ubsan-check-inline.c -fsanitize=signed-integer-overflow -fsanitize-skip-hot-cutoff=signed-integer-overflow=0.000001 -O3 -mllvm -lower-allow-check-random-rate=1 -Rpass=lower-allow-check -Rpass-missed=lower-allow-check -fno-inline
+ /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/allow-ubsan-check-inline.c --check-prefixes=NOINL --implicit-check-not=remark:
/home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/llvm-project/clang/test/CodeGen/allow-ubsan-check-inline.c:13:19: error: NOINL: expected string not found in input
// NOINL-COUNT-1: remark: Allowed check:
                  ^
<stdin>:1:1: note: scanning from here
PLEASE submit a bug report to https://github.com/llvm/llvm-project/issues/ and include the crash backtrace, preprocessed source, and associated run script.
^
<stdin>:3:571: note: possible intended match here
0. Program arguments: /home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/llvm_build_hwasan/bin/clang -cc1 -internal-isystem /home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/llvm_build_hwasan/lib/clang/21/include -nostdsysteminc -triple x86_64-pc-linux-gnu -emit-llvm -o - /home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/llvm-project/clang/test/CodeGen/allow-ubsan-check-inline.c -fsanitize=signed-integer-overflow -fsanitize-skip-hot-cutoff=signed-integer-overflow=0.000001 -O3 -mllvm -lower-allow-check-random-rate=1 -Rpass=lower-allow-check -Rpass-missed=lower-allow-check -fno-inline
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          ^

Input file: <stdin>
Check file: /home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/llvm-project/clang/test/CodeGen/allow-ubsan-check-inline.c

-dump-input=help explains the following input dump.

Input was:
<<<<<<
            1: PLEASE submit a bug report to https://github.com/llvm/llvm-project/issues/ and include the crash backtrace, preprocessed source, and associated run script. 
check:13'0     X~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ error: no match found
            2: Stack dump: 
check:13'0     ~~~~~~~~~~~~
            3: 0. Program arguments: /home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/llvm_build_hwasan/bin/clang -cc1 -internal-isystem /home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/llvm_build_hwasan/lib/clang/21/include -nostdsysteminc -triple x86_64-pc-linux-gnu -emit-llvm -o - /home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/llvm-project/clang/test/CodeGen/allow-ubsan-check-inline.c -fsanitize=signed-integer-overflow -fsanitize-skip-hot-cutoff=signed-integer-overflow=0.000001 -O3 -mllvm -lower-allow-check-random-rate=1 -Rpass=lower-allow-check -Rpass-missed=lower-allow-check -fno-inline 
check:13'0     ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
check:13'1                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                               ?                                  possible intended match
            4: 1. <eof> parser at end of file 
check:13'0     ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
            5:  #0 0x0000c07494dcac5c llvm::sys::PrintStackTrace(llvm::raw_ostream&, int) /home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/llvm-project/llvm/lib/Support/Unix/Signals.inc:798:13 
check:13'0     ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
            6:  #1 0x0000c07494dc55f0 llvm::sys::RunSignalHandlers() /home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/llvm-project/llvm/lib/Support/Signals.cpp:106:18 
check:13'0     ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
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:506: 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:506: 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:506: 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:506: 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:506: 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:506: 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:506: 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/main.py:72: note: The test suite configuration requested an individual test timeout of 0 seconds but a timeout of 900 seconds was requested on the command line. Forcing timeout to be 900 seconds.
-- Testing: 86205 tests, 72 workers --
Testing:  0.
FAIL: Clang :: CodeGen/allow-ubsan-check-inline.c (6468 of 86205)
******************** TEST 'Clang :: CodeGen/allow-ubsan-check-inline.c' FAILED ********************
Exit Code: 1

Command Output (stderr):
--
RUN: at line 1: /home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/llvm_build_hwasan/bin/clang -cc1 -internal-isystem /home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/llvm_build_hwasan/lib/clang/21/include -nostdsysteminc -triple x86_64-pc-linux-gnu -emit-llvm -o - /home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/llvm-project/clang/test/CodeGen/allow-ubsan-check-inline.c -fsanitize=signed-integer-overflow -fsanitize-skip-hot-cutoff=signed-integer-overflow=0.000001 -O3 -mllvm -lower-allow-check-random-rate=1 -Rpass=lower-allow-check -Rpass-missed=lower-allow-check -fno-inline 2>&1 | /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/allow-ubsan-check-inline.c --check-prefixes=NOINL --implicit-check-not="remark:"
+ /home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/llvm_build_hwasan/bin/clang -cc1 -internal-isystem /home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/llvm_build_hwasan/lib/clang/21/include -nostdsysteminc -triple x86_64-pc-linux-gnu -emit-llvm -o - /home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/llvm-project/clang/test/CodeGen/allow-ubsan-check-inline.c -fsanitize=signed-integer-overflow -fsanitize-skip-hot-cutoff=signed-integer-overflow=0.000001 -O3 -mllvm -lower-allow-check-random-rate=1 -Rpass=lower-allow-check -Rpass-missed=lower-allow-check -fno-inline
+ /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/allow-ubsan-check-inline.c --check-prefixes=NOINL --implicit-check-not=remark:
/home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/llvm-project/clang/test/CodeGen/allow-ubsan-check-inline.c:13:19: error: NOINL: expected string not found in input
// NOINL-COUNT-1: remark: Allowed check:
                  ^
<stdin>:1:1: note: scanning from here
PLEASE submit a bug report to https://github.com/llvm/llvm-project/issues/ and include the crash backtrace, preprocessed source, and associated run script.
^
<stdin>:3:571: note: possible intended match here
0. Program arguments: /home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/llvm_build_hwasan/bin/clang -cc1 -internal-isystem /home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/llvm_build_hwasan/lib/clang/21/include -nostdsysteminc -triple x86_64-pc-linux-gnu -emit-llvm -o - /home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/llvm-project/clang/test/CodeGen/allow-ubsan-check-inline.c -fsanitize=signed-integer-overflow -fsanitize-skip-hot-cutoff=signed-integer-overflow=0.000001 -O3 -mllvm -lower-allow-check-random-rate=1 -Rpass=lower-allow-check -Rpass-missed=lower-allow-check -fno-inline
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          ^

Input file: <stdin>
Check file: /home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/llvm-project/clang/test/CodeGen/allow-ubsan-check-inline.c

-dump-input=help explains the following input dump.

Input was:
<<<<<<
            1: PLEASE submit a bug report to https://github.com/llvm/llvm-project/issues/ and include the crash backtrace, preprocessed source, and associated run script. 
check:13'0     X~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ error: no match found
            2: Stack dump: 
check:13'0     ~~~~~~~~~~~~
            3: 0. Program arguments: /home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/llvm_build_hwasan/bin/clang -cc1 -internal-isystem /home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/llvm_build_hwasan/lib/clang/21/include -nostdsysteminc -triple x86_64-pc-linux-gnu -emit-llvm -o - /home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/llvm-project/clang/test/CodeGen/allow-ubsan-check-inline.c -fsanitize=signed-integer-overflow -fsanitize-skip-hot-cutoff=signed-integer-overflow=0.000001 -O3 -mllvm -lower-allow-check-random-rate=1 -Rpass=lower-allow-check -Rpass-missed=lower-allow-check -fno-inline 
check:13'0     ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
check:13'1                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                               ?                                  possible intended match
            4: 1. <eof> parser at end of file 
check:13'0     ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
            5:  #0 0x0000c07494dcac5c llvm::sys::PrintStackTrace(llvm::raw_ostream&, int) /home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/llvm-project/llvm/lib/Support/Unix/Signals.inc:798:13 
check:13'0     ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
            6:  #1 0x0000c07494dc55f0 llvm::sys::RunSignalHandlers() /home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/llvm-project/llvm/lib/Support/Signals.cpp:106:18 
check:13'0     ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

```

</details>

https://github.com/llvm/llvm-project/pull/124857


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