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Type:
Bug
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Resolution: Fixed
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Priority:
Major - P3
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Affects Version/s: None
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Component/s: Extensions
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Labels:
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Storage Engines
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5
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Storage - Ra 2021-11-29, Storage - Ra 2022-03-21, Storage - Ra 2022-04-04, NachoCheese - 2023-10-03, Joker - StorEng - 2023-10-17, Asparagus-StorEng - 2023-10-31, 2024-01-09 - I Grew Tired
In WT-7885, A patch build with tcmalloc enabled caused a memory leak in the format-stress-pull-request task.
The MSAN leak errors are:
format-stress-pull-request-test
[2021/10/01 00:04:41.341] ==43449==WARNING: MemorySanitizer: use-of-uninitialized-value [2021/10/01 00:04:41.341] #0 0x7ff50eaa8226 in __wt_strdup /data/mci/fef82b3dccae856c402e5a103bb2ccb6/wiredtiger/build_posix/../src/include/misc_inline.h:49:40 [2021/10/01 00:04:41.341] #1 0x7ff50eaa7eee in __wt_dlopen /data/mci/fef82b3dccae856c402e5a103bb2ccb6/wiredtiger/build_posix/../src/os_posix/os_dlopen.c:22:5 [2021/10/01 00:04:41.341] #2 0x7ff50e8ec1db in __conn_load_extension_int /data/mci/fef82b3dccae856c402e5a103bb2ccb6/wiredtiger/build_posix/../src/conn/conn_api.c:962:5 [2021/10/01 00:04:41.341] #3 0x7ff50e8e8a96 in __conn_load_extensions /data/mci/fef82b3dccae856c402e5a103bb2ccb6/wiredtiger/build_posix/../src/conn/conn_api.c:1045:9 [2021/10/01 00:04:41.341] #4 0x7ff50e8d6e8b in wiredtiger_open /data/mci/fef82b3dccae856c402e5a103bb2ccb6/wiredtiger/build_posix/../src/conn/conn_api.c:2829:5 [2021/10/01 00:04:41.341] #5 0x4c9fec in create_database /data/mci/fef82b3dccae856c402e5a103bb2ccb6/wiredtiger/build_posix/test/format/../../../test/format/wts.c:319:5 [2021/10/01 00:04:41.341] #6 0x4cb8f2 in wts_create /data/mci/fef82b3dccae856c402e5a103bb2ccb6/wiredtiger/build_posix/test/format/../../../test/format/wts.c:458:5 [2021/10/01 00:04:41.341] #7 0x4c191b in main /data/mci/fef82b3dccae856c402e5a103bb2ccb6/wiredtiger/build_posix/test/format/../../../test/format/t.c:272:13 [2021/10/01 00:04:41.341] #8 0x7ff50e1dd0b2 in __libc_start_main (/lib/x86_64-linux-gnu/libc.so.6+0x270b2) [2021/10/01 00:04:41.341] #9 0x41ee5d in _start (/data/mci/fef82b3dccae856c402e5a103bb2ccb6/wiredtiger/build_posix/test/format/t+0x41ee5d) [2021/10/01 00:04:41.341] SUMMARY: MemorySanitizer: use-of-uninitialized-value /data/mci/fef82b3dccae856c402e5a103bb2ccb6/wiredtiger/build_posix/../src/include/misc_inline.h:49:40 in __wt_strdup [2021/10/01 00:04:41.341] Exiting
Definition of done:
This ticket will need to fix the MSAN leak when tcmalloc is enabled. After fixing the leak, configure the evergreen yaml file to enable tcmalloc for ubuntu2004-msan variant task
- name: ubuntu2004-msan display_name: "! Ubuntu 20.04 MSAN" run_on: - ubuntu2004-test expansions: configure_env_vars: # We don't compile C++ for memory sanitized testing as it creates false positives. CC=/opt/mongodbtoolchain/v3/bin/clang PATH=/opt/mongodbtoolchain/v3/bin:$PATH CFLAGS="-fsanitize=memory -fno-omit-frame-pointer -fno-optimize-sibling-calls -O1 -ggdb" posix_configure_flags: --enable-silent-rules --enable-strict --enable-diagnostic --disable-static --enable-tcmalloc --prefix=$(pwd)/LOCAL_INSTALL smp_command: -j $(grep -c ^processor /proc/cpuinfo) make_command: PATH=/opt/mongodbtoolchain/v3/bin:$PATH make test_env_vars: MSAN_OPTIONS="abort_on_error=1:disable_coredump=0:print_stacktrace=1" MSAN_SYMBOLIZER_PATH=/opt/mongodbtoolchain/v3/bin/llvm-symbolizer LD_PRELOAD=/usr/lib/x86_64-linux-gnu/libeatmydata.so LD_LIBRARY_PATH=$(pwd)/.libs:$(git rev-parse --show-toplevel)/TCMALLOC_LIB/lib PATH=/opt/mongodbtoolchain/v3/bin:$PATH top_srcdir=$(pwd)/.. top_builddir=$(pwd) TESTUTIL_SLOW_MACHINE=1 tasks: - name: clang-analyzer - name: compile - name: compile-production-disable-shared - name: compile-production-disable-static - name: examples-c-production-disable-shared-test - name: examples-c-production-disable-static-test - name: format-stress-pull-request-test - name: make-check-test
