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Add LSAN suppressions file

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Suppress TLS variable leaks caused by outstanding background threads by
suppressing the ASAN interposer functions. This is possible because because
we're now using use_tls=1.

-----------------------

Direct leak of 64 byte(s) in 2 object(s) allocated from:
    #0 0x5627a1f0cc86 in __interceptor_realloc (/home/runner/work/fish-shell/fish-shell/build/fish_tests+0xb9fc86) (BuildId: da87d16730727369ad5fa46052d10337d6941fa9)
    #1 0x7f04d8800f79 in pthread_getattr_np (/lib/x86_64-linux-gnu/libc.so.6+0x95f79) (BuildId: 69389d485a9793dbe873f0ea2c93e02efaa9aa3d)
    #2 0x5627a1f2f664 in __sanitizer::GetThreadStackTopAndBottom(bool, unsigned long*, unsigned long*) (/home/runner/work/fish-shell/fish-shell/build/fish_tests+0xbc2664) (BuildId: da87d16730727369ad5fa46052d10337d6941fa9)
    #3 0x5627a1f2fb83 in __sanitizer::GetThreadStackAndTls(bool, unsigned long*, unsigned long*, unsigned long*, unsigned long*) (/home/runner/work/fish-shell/fish-shell/build/fish_tests+0xbc2b83) (BuildId: da87d16730727369ad5fa46052d10337d6941fa9)
    #4 0x5627a1f19a0d in __asan::AsanThread::SetThreadStackAndTls(__asan::AsanThread::InitOptions const*) (/home/runner/work/fish-shell/fish-shell/build/fish_tests+0xbaca0d) (BuildId: da87d16730727369ad5fa46052d10337d6941fa9)
    #5 0x5627a1f19615 in __asan::AsanThread::Init(__asan::AsanThread::InitOptions const*) (/home/runner/work/fish-shell/fish-shell/build/fish_tests+0xbac615) (BuildId: da87d16730727369ad5fa46052d10337d6941fa9)
    #6 0x5627a1f19b01 in __asan::AsanThread::ThreadStart(unsigned long long) (/home/runner/work/fish-shell/fish-shell/build/fish_tests+0xbacb01) (BuildId: da87d16730727369ad5fa46052d10337d6941fa9)
    #7 0x7f04d87ffb42  (/lib/x86_64-linux-gnu/libc.so.6+0x94b42) (BuildId: 69389d485a9793dbe873f0ea2c93e02efaa9aa3d)
    #8 0x7f04d88919ff  (/lib/x86_64-linux-gnu/libc.so.6+0x1269ff) (BuildId: 69389d485a9793dbe873f0ea2c93e02efaa9aa3d)
This commit is contained in:
Mahmoud Al-Qudsi
2023-05-01 20:27:38 -05:00
parent 91485c90ca
commit 7b0cc33f2e
2 changed files with 8 additions and 2 deletions
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4
.github/workflows/main.yml vendored
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@@ -119,9 +119,9 @@ jobs:
# environments. Follow https://github.com/google/sanitizers/issues/1342 and
# https://github.com/google/sanitizers/issues/1409 to track this issue.
# UPDATE: this can cause spurious leak reports for __cxa_thread_atexit_impl() under glibc.
LSAN_OPTIONS: verbosity=0:log_threads=0:use_tls=1
LSAN_OPTIONS: verbosity=0:log_threads=0:use_tls=1:print_suppressions=0
run: |
make test
env LSAN_OPTIONS="$LSAN_OPTIONS:suppressions=$PWD/build_tools/lsan_suppressions.txt" make test
# Our clang++ tsan builds are not recognizing safe rust patterns (such as the fact that Drop
# cannot be called while a thread is using the object in question). Rust has its own way of