[clang] [ssaf][UnsafeBufferUsage] Add JSON serialization for UnsafeBufferUsage (PR #187156)
Ziqing Luo via cfe-commits
cfe-commits at lists.llvm.org
Tue Apr 7 13:38:17 PDT 2026
ziqingluo-90 wrote:
> LLVM Buildbot has detected a new failure on builder `sanitizer-x86_64-linux-fast` running on `sanitizer-buildbot3` while building `clang` at step 2 "annotate".
>
> Full details are available at: https://lab.llvm.org/buildbot/#/builders/169/builds/21661
>
> Here is the relevant piece of the build log for the reference
> ```
> Step 2 (annotate) failure: 'python ../sanitizer_buildbot/sanitizers/zorg/buildbot/builders/sanitizers/buildbot_selector.py' (failure)
> ...
> llvm-lit: /home/b/sanitizer-x86_64-linux-fast/build/llvm-project/llvm/utils/lit/lit/llvm/config.py:569: note: using lld-link: /home/b/sanitizer-x86_64-linux-fast/build/llvm_build_msan/bin/lld-link
> llvm-lit: /home/b/sanitizer-x86_64-linux-fast/build/llvm-project/llvm/utils/lit/lit/llvm/config.py:569: note: using ld64.lld: /home/b/sanitizer-x86_64-linux-fast/build/llvm_build_msan/bin/ld64.lld
> llvm-lit: /home/b/sanitizer-x86_64-linux-fast/build/llvm-project/llvm/utils/lit/lit/llvm/config.py:569: note: using wasm-ld: /home/b/sanitizer-x86_64-linux-fast/build/llvm_build_msan/bin/wasm-ld
> llvm-lit: /home/b/sanitizer-x86_64-linux-fast/build/llvm-project/llvm/utils/lit/lit/llvm/config.py:569: note: using ld.lld: /home/b/sanitizer-x86_64-linux-fast/build/llvm_build_msan/bin/ld.lld
> llvm-lit: /home/b/sanitizer-x86_64-linux-fast/build/llvm-project/llvm/utils/lit/lit/llvm/config.py:569: note: using lld-link: /home/b/sanitizer-x86_64-linux-fast/build/llvm_build_msan/bin/lld-link
> llvm-lit: /home/b/sanitizer-x86_64-linux-fast/build/llvm-project/llvm/utils/lit/lit/llvm/config.py:569: note: using ld64.lld: /home/b/sanitizer-x86_64-linux-fast/build/llvm_build_msan/bin/ld64.lld
> llvm-lit: /home/b/sanitizer-x86_64-linux-fast/build/llvm-project/llvm/utils/lit/lit/llvm/config.py:569: note: using wasm-ld: /home/b/sanitizer-x86_64-linux-fast/build/llvm_build_msan/bin/wasm-ld
> llvm-lit: /home/b/sanitizer-x86_64-linux-fast/build/llvm-project/llvm/utils/lit/lit/main.py:74: 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: 97996 tests, 64 workers --
> Testing: 0.. 10.. 20.. 30.. 40.. 50.. 60.. 70.. 80.
> FAIL: LLVM :: CodeGen/X86/basic-block-sections-clusters-bb-hash.ll (32038 of 97996)
> ******************** TEST 'LLVM :: CodeGen/X86/basic-block-sections-clusters-bb-hash.ll' FAILED ********************
> Exit Code: 1
>
> Command Output (stdout):
> --
> # RUN: at line 11
> /home/b/sanitizer-x86_64-linux-fast/build/llvm_build_msan/bin/llc /home/b/sanitizer-x86_64-linux-fast/build/llvm-project/llvm/test/CodeGen/X86/basic-block-sections-clusters-bb-hash.ll -O0 -mtriple=x86_64-pc-linux -function-sections -filetype=obj -basic-block-address-map -emit-bb-hash -o /home/b/sanitizer-x86_64-linux-fast/build/llvm_build_msan/test/CodeGen/X86/Output/basic-block-sections-clusters-bb-hash.ll.tmp.o
> # executed command: /home/b/sanitizer-x86_64-linux-fast/build/llvm_build_msan/bin/llc /home/b/sanitizer-x86_64-linux-fast/build/llvm-project/llvm/test/CodeGen/X86/basic-block-sections-clusters-bb-hash.ll -O0 -mtriple=x86_64-pc-linux -function-sections -filetype=obj -basic-block-address-map -emit-bb-hash -o /home/b/sanitizer-x86_64-linux-fast/build/llvm_build_msan/test/CodeGen/X86/Output/basic-block-sections-clusters-bb-hash.ll.tmp.o
> # note: command had no output on stdout or stderr
> # RUN: at line 16
> echo 'v1' > /home/b/sanitizer-x86_64-linux-fast/build/llvm_build_msan/test/CodeGen/X86/Output/basic-block-sections-clusters-bb-hash.ll.tmp1
> # executed command: echo v1
> # note: command had no output on stdout or stderr
> # RUN: at line 17
> echo 'f foo' >> /home/b/sanitizer-x86_64-linux-fast/build/llvm_build_msan/test/CodeGen/X86/Output/basic-block-sections-clusters-bb-hash.ll.tmp1
> # executed command: echo 'f foo'
> # note: command had no output on stdout or stderr
> # RUN: at line 18
> echo 'g 0:100,1:100,2:0 1:100,3:100 2:0,3:0 3:100' >> /home/b/sanitizer-x86_64-linux-fast/build/llvm_build_msan/test/CodeGen/X86/Output/basic-block-sections-clusters-bb-hash.ll.tmp1
> # executed command: echo 'g 0:100,1:100,2:0 1:100,3:100 2:0,3:0 3:100'
> # note: command had no output on stdout or stderr
> # RUN: at line 22
> /home/b/sanitizer-x86_64-linux-fast/build/llvm_build_msan/bin/llvm-readobj /home/b/sanitizer-x86_64-linux-fast/build/llvm_build_msan/test/CodeGen/X86/Output/basic-block-sections-clusters-bb-hash.ll.tmp.o --bb-addr-map | awk 'BEGIN {printf "h"} /ID: [0-9]+/ {id=$2} /Hash: 0x[0-9A-Fa-f]+/ {gsub(/^0x/, "", $2); hash=$2; printf " %s:%s", id, hash} END {print ""}' >> /home/b/sanitizer-x86_64-linux-fast/build/llvm_build_msan/test/CodeGen/X86/Output/basic-block-sections-clusters-bb-hash.ll.tmp1
> # executed command: /home/b/sanitizer-x86_64-linux-fast/build/llvm_build_msan/bin/llvm-readobj /home/b/sanitizer-x86_64-linux-fast/build/llvm_build_msan/test/CodeGen/X86/Output/basic-block-sections-clusters-bb-hash.ll.tmp.o --bb-addr-map
> # note: command had no output on stdout or stderr
> # executed command: awk 'BEGIN {printf "h"} /ID: [0-9]+/ {id=$2} /Hash: 0x[0-9A-Fa-f]+/ {gsub(/^0x/, "", $2); hash=$2; printf " %s:%s", id, hash} END {print ""}'
> # note: command had no output on stdout or stderr
> # RUN: at line 29
> /home/b/sanitizer-x86_64-linux-fast/build/llvm_build_msan/bin/llc < /home/b/sanitizer-x86_64-linux-fast/build/llvm-project/llvm/test/CodeGen/X86/basic-block-sections-clusters-bb-hash.ll -O0 -mtriple=x86_64-pc-linux -function-sections -basic-block-sections=/home/b/sanitizer-x86_64-linux-fast/build/llvm_build_msan/test/CodeGen/X86/Output/basic-block-sections-clusters-bb-hash.ll.tmp1 -basic-block-section-match-infer | /home/b/sanitizer-x86_64-linux-fast/build/llvm_build_msan/bin/FileCheck /home/b/sanitizer-x86_64-linux-fast/build/llvm-project/llvm/test/CodeGen/X86/basic-block-sections-clusters-bb-hash.ll -check-prefixes=CHECK,LINUX-SECTIONS1
> # executed command: /home/b/sanitizer-x86_64-linux-fast/build/llvm_build_msan/bin/llc -O0 -mtriple=x86_64-pc-linux -function-sections -basic-block-sections=/home/b/sanitizer-x86_64-linux-fast/build/llvm_build_msan/test/CodeGen/X86/Output/basic-block-sections-clusters-bb-hash.ll.tmp1 -basic-block-section-match-infer
> # note: command had no output on stdout or stderr
> # executed command: /home/b/sanitizer-x86_64-linux-fast/build/llvm_build_msan/bin/FileCheck /home/b/sanitizer-x86_64-linux-fast/build/llvm-project/llvm/test/CodeGen/X86/basic-block-sections-clusters-bb-hash.ll -check-prefixes=CHECK,LINUX-SECTIONS1
> # .---command stderr------------
> # | /home/b/sanitizer-x86_64-linux-fast/build/llvm-project/llvm/test/CodeGen/X86/basic-block-sections-clusters-bb-hash.ll:80:26: error: LINUX-SECTIONS1-LABEL: expected string not found in input
> # | ; LINUX-SECTIONS1-LABEL: # %bb.1:
> # | ^
> # | <stdin>:7:5: note: scanning from here
> # | foo: # @foo
> Step 13 (stage2/msan check) failure: stage2/msan check (failure)
> ...
> llvm-lit: /home/b/sanitizer-x86_64-linux-fast/build/llvm-project/llvm/utils/lit/lit/llvm/config.py:569: note: using lld-link: /home/b/sanitizer-x86_64-linux-fast/build/llvm_build_msan/bin/lld-link
> llvm-lit: /home/b/sanitizer-x86_64-linux-fast/build/llvm-project/llvm/utils/lit/lit/llvm/config.py:569: note: using ld64.lld: /home/b/sanitizer-x86_64-linux-fast/build/llvm_build_msan/bin/ld64.lld
> llvm-lit: /home/b/sanitizer-x86_64-linux-fast/build/llvm-project/llvm/utils/lit/lit/llvm/config.py:569: note: using wasm-ld: /home/b/sanitizer-x86_64-linux-fast/build/llvm_build_msan/bin/wasm-ld
> llvm-lit: /home/b/sanitizer-x86_64-linux-fast/build/llvm-project/llvm/utils/lit/lit/llvm/config.py:569: note: using ld.lld: /home/b/sanitizer-x86_64-linux-fast/build/llvm_build_msan/bin/ld.lld
> llvm-lit: /home/b/sanitizer-x86_64-linux-fast/build/llvm-project/llvm/utils/lit/lit/llvm/config.py:569: note: using lld-link: /home/b/sanitizer-x86_64-linux-fast/build/llvm_build_msan/bin/lld-link
> llvm-lit: /home/b/sanitizer-x86_64-linux-fast/build/llvm-project/llvm/utils/lit/lit/llvm/config.py:569: note: using ld64.lld: /home/b/sanitizer-x86_64-linux-fast/build/llvm_build_msan/bin/ld64.lld
> llvm-lit: /home/b/sanitizer-x86_64-linux-fast/build/llvm-project/llvm/utils/lit/lit/llvm/config.py:569: note: using wasm-ld: /home/b/sanitizer-x86_64-linux-fast/build/llvm_build_msan/bin/wasm-ld
> llvm-lit: /home/b/sanitizer-x86_64-linux-fast/build/llvm-project/llvm/utils/lit/lit/main.py:74: 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: 97996 tests, 64 workers --
> Testing: 0.. 10.. 20.. 30.. 40.. 50.. 60.. 70.. 80.
> FAIL: LLVM :: CodeGen/X86/basic-block-sections-clusters-bb-hash.ll (32038 of 97996)
> ******************** TEST 'LLVM :: CodeGen/X86/basic-block-sections-clusters-bb-hash.ll' FAILED ********************
> Exit Code: 1
>
> Command Output (stdout):
> --
> # RUN: at line 11
> /home/b/sanitizer-x86_64-linux-fast/build/llvm_build_msan/bin/llc /home/b/sanitizer-x86_64-linux-fast/build/llvm-project/llvm/test/CodeGen/X86/basic-block-sections-clusters-bb-hash.ll -O0 -mtriple=x86_64-pc-linux -function-sections -filetype=obj -basic-block-address-map -emit-bb-hash -o /home/b/sanitizer-x86_64-linux-fast/build/llvm_build_msan/test/CodeGen/X86/Output/basic-block-sections-clusters-bb-hash.ll.tmp.o
> # executed command: /home/b/sanitizer-x86_64-linux-fast/build/llvm_build_msan/bin/llc /home/b/sanitizer-x86_64-linux-fast/build/llvm-project/llvm/test/CodeGen/X86/basic-block-sections-clusters-bb-hash.ll -O0 -mtriple=x86_64-pc-linux -function-sections -filetype=obj -basic-block-address-map -emit-bb-hash -o /home/b/sanitizer-x86_64-linux-fast/build/llvm_build_msan/test/CodeGen/X86/Output/basic-block-sections-clusters-bb-hash.ll.tmp.o
> # note: command had no output on stdout or stderr
> # RUN: at line 16
> echo 'v1' > /home/b/sanitizer-x86_64-linux-fast/build/llvm_build_msan/test/CodeGen/X86/Output/basic-block-sections-clusters-bb-hash.ll.tmp1
> # executed command: echo v1
> # note: command had no output on stdout or stderr
> # RUN: at line 17
> echo 'f foo' >> /home/b/sanitizer-x86_64-linux-fast/build/llvm_build_msan/test/CodeGen/X86/Output/basic-block-sections-clusters-bb-hash.ll.tmp1
> # executed command: echo 'f foo'
> # note: command had no output on stdout or stderr
> # RUN: at line 18
> echo 'g 0:100,1:100,2:0 1:100,3:100 2:0,3:0 3:100' >> /home/b/sanitizer-x86_64-linux-fast/build/llvm_build_msan/test/CodeGen/X86/Output/basic-block-sections-clusters-bb-hash.ll.tmp1
> # executed command: echo 'g 0:100,1:100,2:0 1:100,3:100 2:0,3:0 3:100'
> # note: command had no output on stdout or stderr
> # RUN: at line 22
> /home/b/sanitizer-x86_64-linux-fast/build/llvm_build_msan/bin/llvm-readobj /home/b/sanitizer-x86_64-linux-fast/build/llvm_build_msan/test/CodeGen/X86/Output/basic-block-sections-clusters-bb-hash.ll.tmp.o --bb-addr-map | awk 'BEGIN {printf "h"} /ID: [0-9]+/ {id=$2} /Hash: 0x[0-9A-Fa-f]+/ {gsub(/^0x/, "", $2); hash=$2; printf " %s:%s", id, hash} END {print ""}' >> /home/b/sanitizer-x86_64-linux-fast/build/llvm_build_msan/test/CodeGen/X86/Output/basic-block-sections-clusters-bb-hash.ll.tmp1
> # executed command: /home/b/sanitizer-x86_64-linux-fast/build/llvm_build_msan/bin/llvm-readobj /home/b/sanitizer-x86_64-linux-fast/build/llvm_build_msan/test/CodeGen/X86/Output/basic-block-sections-clusters-bb-hash.ll.tmp.o --bb-addr-map
> # note: command had no output on stdout or stderr
> # executed command: awk 'BEGIN {printf "h"} /ID: [0-9]+/ {id=$2} /Hash: 0x[0-9A-Fa-f]+/ {gsub(/^0x/, "", $2); hash=$2; printf " %s:%s", id, hash} END {print ""}'
> # note: command had no output on stdout or stderr
> # RUN: at line 29
> /home/b/sanitizer-x86_64-linux-fast/build/llvm_build_msan/bin/llc < /home/b/sanitizer-x86_64-linux-fast/build/llvm-project/llvm/test/CodeGen/X86/basic-block-sections-clusters-bb-hash.ll -O0 -mtriple=x86_64-pc-linux -function-sections -basic-block-sections=/home/b/sanitizer-x86_64-linux-fast/build/llvm_build_msan/test/CodeGen/X86/Output/basic-block-sections-clusters-bb-hash.ll.tmp1 -basic-block-section-match-infer | /home/b/sanitizer-x86_64-linux-fast/build/llvm_build_msan/bin/FileCheck /home/b/sanitizer-x86_64-linux-fast/build/llvm-project/llvm/test/CodeGen/X86/basic-block-sections-clusters-bb-hash.ll -check-prefixes=CHECK,LINUX-SECTIONS1
> # executed command: /home/b/sanitizer-x86_64-linux-fast/build/llvm_build_msan/bin/llc -O0 -mtriple=x86_64-pc-linux -function-sections -basic-block-sections=/home/b/sanitizer-x86_64-linux-fast/build/llvm_build_msan/test/CodeGen/X86/Output/basic-block-sections-clusters-bb-hash.ll.tmp1 -basic-block-section-match-infer
> # note: command had no output on stdout or stderr
> # executed command: /home/b/sanitizer-x86_64-linux-fast/build/llvm_build_msan/bin/FileCheck /home/b/sanitizer-x86_64-linux-fast/build/llvm-project/llvm/test/CodeGen/X86/basic-block-sections-clusters-bb-hash.ll -check-prefixes=CHECK,LINUX-SECTIONS1
> # .---command stderr------------
> # | /home/b/sanitizer-x86_64-linux-fast/build/llvm-project/llvm/test/CodeGen/X86/basic-block-sections-clusters-bb-hash.ll:80:26: error: LINUX-SECTIONS1-LABEL: expected string not found in input
> # | ; LINUX-SECTIONS1-LABEL: # %bb.1:
> # | ^
> # | <stdin>:7:5: note: scanning from here
> # | foo: # @foo
> ```
```
Failed Tests (1):
LLVM :: CodeGen/X86/basic-block-sections-clusters-bb-hash.ll
```
Irrelevant
https://github.com/llvm/llvm-project/pull/187156
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