Mirrors/fish-shell
2
0
Fork 0
mirror of https://github.com/fish-shell/fish-shell synced 2024-11-10 07:04:29 +00:00
Code Issues Projects Releases Packages Wiki Activity

Add LSAN suppressions file

Browse source 
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
Show stats Download patch file Download diff file Expand all files Collapse all files

4
.github/workflows/main.yml vendored
View file

@ -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

6
build_tools/lsan_suppressions.txt Normal file
View file

@ -0,0 +1,6 @@
# LSAN can detect leaks tracing back to __asan::AsanThread::ThreadStart (probably caused by our
# threads not exiting before their TLS dtors are called). Just ignore it.
leak:AsanThread
# ncurses leaks allocations freely as it assumes it will be running throughout. Ignore these.
leak:tparm