<table border="1" cellspacing="0" cellpadding="8">
<tr>
<th>Issue</th>
<td>
<a href=https://github.com/llvm/llvm-project/issues/147145>147145</a>
</td>
</tr>
<tr>
<th>Summary</th>
<td>
lldb crash while debugging asan program
</td>
</tr>
<tr>
<th>Labels</th>
<td>
new issue
</td>
</tr>
<tr>
<th>Assignees</th>
<td>
</td>
</tr>
<tr>
<th>Reporter</th>
<td>
nfrmtk
</td>
</tr>
</table>
<pre>
```bash
(lldb) target create "ydb_interface_merge_test_ut"
Current executable set to '/home/nfrmtk/ysda/p-way-merge/build/ydb_interface_merge_test_ut' (x86_64).
(lldb) run
Process 15240 launched: '/home/nfrmtk/ysda/p-way-merge/build/ydb_interface_merge_test_ut' (x86_64)
Running main() from ./googletest/src/gtest_main.cc
[==========] Running 1 test from 1 test suite.
[----------] Global test environment set-up.
[----------] 1 test from YDBMergeInterface
[ RUN ] YDBMergeInterface.Random
=================================================================
==15240==ERROR: AddressSanitizer: heap-buffer-overflow on address 0x7ffff7371800 at pc 0x55555575bfc8 bp 0x7fffffffbb30 sp 0x7fffffffb2f0
WRITE of size 256 at 0x7ffff7371800 thread T0
#0 0x55555575bfc7 in __asan_memcpy (/home/nfrmtk/ysda/p-way-merge/build/ydb_interface_merge_test_ut+0x207fc7) (BuildId: 970b89ab0b8687cf)
#1 0x555555874e92 in TSpilling::Load(TSpillingBlock, unsigned long, void*, unsigned long) /home/nfrmtk/ysda/p-way-merge/pmerge/ydb/spilling_mem.cpp:52:3
#2 0x5555558234f4 in TInputData<1u>::Next(TSpilling&) /home/nfrmtk/ysda/p-way-merge/include/pmerge/ydb/merge_reference.hpp:50:10
#3 0x5555557a6470 in unsigned int ydb_reference::merge2pway<false, 1u, 4u>(unsigned long*, unsigned int, TSpilling&, std::deque<TSpillingBlock, std::allocator<TSpillingBlock>>&) /home/nfrmtk/ysda/p-way-merge/include/pmerge/ydb/merge_reference.hpp:152:27
#4 0x55555579fea7 in YDBMergeInterface_Random_Test::TestBody() /home/nfrmtk/ysda/p-way-merge/pmerge/tests/ydb_interface_merge_test.cpp:40:3
#5 0x5555558b499e in void testing::internal::HandleExceptionsInMethodIfSupported<testing::Test, void>(testing::Test*, void (testing::Test::*)(), char const*) (/home/nfrmtk/ysda/p-way-merge/build/ydb_interface_merge_test_ut+0x36099e) (BuildId: 970b89ab0b8687cf)
#6 0x555555896335 in testing::Test::Run() (/home/nfrmtk/ysda/p-way-merge/build/ydb_interface_merge_test_ut+0x342335) (BuildId: 970b89ab0b8687cf)
#7 0x5555558964f4 in testing::TestInfo::Run() (/home/nfrmtk/ysda/p-way-merge/build/ydb_interface_merge_test_ut+0x3424f4) (BuildId: 970b89ab0b8687cf)
#8 0x5555558966de in testing::TestSuite::Run() (/home/nfrmtk/ysda/p-way-merge/build/ydb_interface_merge_test_ut+0x3426de) (BuildId: 970b89ab0b8687cf)
#9 0x5555558a454b in testing::internal::UnitTestImpl::RunAllTests() (/home/nfrmtk/ysda/p-way-merge/build/ydb_interface_merge_test_ut+0x35054b) (BuildId: 970b89ab0b8687cf)
#10 0x5555558b5076 in bool testing::internal::HandleExceptionsInMethodIfSupported<testing::internal::UnitTestImpl, bool>(testing::internal::UnitTestImpl*, bool (testing::internal::UnitTestImpl::*)(), char const*) (/home/nfrmtk/ysda/p-way-merge/build/ydb_interface_merge_test_ut+0x361076) (BuildId: 970b89ab0b8687cf)
#11 0x5555558968d7 in testing::UnitTest::Run() (/home/nfrmtk/ysda/p-way-merge/build/ydb_interface_merge_test_ut+0x3428d7) (BuildId: 970b89ab0b8687cf)
#12 0x555555878a13 in main (/home/nfrmtk/ysda/p-way-merge/build/ydb_interface_merge_test_ut+0x324a13) (BuildId: 970b89ab0b8687cf)
#13 0x7ffff782a1c9 in __libc_start_call_main csu/../sysdeps/nptl/libc_start_call_main.h:58:16
#14 0x7ffff782a28a in __libc_start_main csu/../csu/libc-start.c:360:3
#15 0x5555556c3234 in _start (/home/nfrmtk/ysda/p-way-merge/build/ydb_interface_merge_test_ut+0x16f234) (BuildId: 970b89ab0b8687cf)
0x7ffff7371800 is located 0 bytes after 196608-byte region [0x7ffff7341800,0x7ffff7371800)
allocated by thread T0 here:
#0 0x55555579c721 in operator new(unsigned long) (/home/nfrmtk/ysda/p-way-merge/build/ydb_interface_merge_test_ut+0x248721) (BuildId: 970b89ab0b8687cf)
#1 0x5555557b3a5f in std::__new_allocator<unsigned long>::allocate(unsigned long, void const*) /usr/bin/../lib/gcc/x86_64-linux-gnu/14/../../../../include/c++/14/bits/new_allocator.h:151:27
#2 0x5555557b2c41 in std::allocator<unsigned long>::allocate(unsigned long) /usr/bin/../lib/gcc/x86_64-linux-gnu/14/../../../../include/c++/14/bits/allocator.h:196:32
#3 0x5555557b2c41 in std::allocator_traits<std::allocator<unsigned long>>::allocate(std::allocator<unsigned long>&, unsigned long) /usr/bin/../lib/gcc/x86_64-linux-gnu/14/../../../../include/c++/14/bits/alloc_traits.h:478:20
#4 0x5555557b2c41 in std::_Vector_base<unsigned long, std::allocator<unsigned long>>::_M_allocate(unsigned long) /usr/bin/../lib/gcc/x86_64-linux-gnu/14/../../../../include/c++/14/bits/stl_vector.h:380:20
#5 0x5555557b1a71 in std::vector<unsigned long, std::allocator<unsigned long>>::_M_default_append(unsigned long) /usr/bin/../lib/gcc/x86_64-linux-gnu/14/../../../../include/c++/14/bits/vector.tcc:834:34
#6 0x5555557a5be5 in std::vector<unsigned long, std::allocator<unsigned long>>::resize(unsigned long) /usr/bin/../lib/gcc/x86_64-linux-gnu/14/../../../../include/c++/14/bits/stl_vector.h:1016:4
#7 0x55555579fe67 in YDBMergeInterface_Random_Test::TestBody() /home/nfrmtk/ysda/p-way-merge/pmerge/tests/ydb_interface_merge_test.cpp:39:8
#8 0x5555558b499e in void testing::internal::HandleExceptionsInMethodIfSupported<testing::Test, void>(testing::Test*, void (testing::Test::*)(), char const*) (/home/nfrmtk/ysda/p-way-merge/build/ydb_interface_merge_test_ut+0x36099e) (BuildId: 970b89ab0b8687cf)
SUMMARY: AddressSanitizer: heap-buffer-overflow (/home/nfrmtk/ysda/p-way-merge/build/ydb_interface_merge_test_ut+0x207fc7) (BuildId: 970b89ab0b8687cf) in __asan_memcpy
Shadow bytes around the buggy address:
0x7ffff7371580: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x7ffff7371600: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x7ffff7371680: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x7ffff7371700: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x7ffff7371780: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
=>0x7ffff7371800:[fa]fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa
0x7ffff7371880: fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa
0x7ffff7371900: fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa
0x7ffff7371980: fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa
0x7ffff7371a00: fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa
0x7ffff7371a80: fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa
Shadow byte legend (one shadow byte represents 8 application bytes):
Addressable: 00
Partially addressable: 01 02 03 04 05 06 07
Heap left redzone: fa
Freed heap region: fd
Stack left redzone: f1
Stack mid redzone: f2
Stack right redzone: f3
Stack after return: f5
Stack use after scope: f8
Global redzone: f9
Global init order: f6
Poisoned by user: f7
Container overflow: fc
Array cookie: ac
Intra object redzone: bb
ASan internal: fe
Left alloca redzone: ca
Right alloca redzone: cb
==15240==ABORTING
(lldb) PLEASE submit a bug report to https://github.com/llvm/llvm-project/issues/ and include the crash backtrace.
#0 0x00007c17a2ba63bf llvm::sys::PrintStackTrace(llvm::raw_ostream&, int) build-llvm/tools/clang/stage2-bins/llvm/lib/Support/Unix/Signals.inc:723:13
#1 0x00007c17a2ba44f9 llvm::sys::RunSignalHandlers() build-llvm/tools/clang/stage2-bins/llvm/lib/Support/Signals.cpp:106:18
#2 0x00007c17a2ba6b00 SignalHandler build-llvm/tools/clang/stage2-bins/llvm/lib/Support/Unix/Signals.inc:413:1
#3 0x00007c17a1645330 (/lib/x86_64-linux-gnu/libc.so.6+0x45330)
#4 0x00007c17aa0205a0 RetrieveReportData build-llvm/tools/clang/stage2-bins/lldb/source/Plugins/InstrumentationRuntime/Utility/ReportRetriever.cpp:102:23
#5 0x00007c17aa0239e6 ~__shared_count /usr/lib/gcc/x86_64-linux-gnu/13/../../../../include/c++/13/bits/shared_ptr_base.h:1070:12
#6 0x00007c17aa0239e6 ~__shared_ptr /usr/lib/gcc/x86_64-linux-gnu/13/../../../../include/c++/13/bits/shared_ptr_base.h:1524:31
#7 0x00007c17aa0239e6 NotifyBreakpointHit build-llvm/tools/clang/stage2-bins/lldb/source/Plugins/InstrumentationRuntime/Utility/ReportRetriever.cpp:202:37
#8 0x00007c17a9d6973a NotifyBreakpointHit build-llvm/tools/clang/stage2-bins/lldb/source/Plugins/InstrumentationRuntime/ASan/InstrumentationRuntimeASan.cpp:75:10
#9 0x00007c17a9c07f91 PerformAction build-llvm/tools/clang/stage2-bins/lldb/source/Target/StopInfo.cpp:535:47
#10 0x00007c17a9bd657c get /usr/lib/gcc/x86_64-linux-gnu/13/../../../../include/c++/13/bits/shared_ptr_base.h:1666:16
#11 0x00007c17a9bd657c _M_get /usr/lib/gcc/x86_64-linux-gnu/13/../../../../include/c++/13/bits/shared_ptr_base.h:1363:66
#12 0x00007c17a9bd657c operator-> /usr/lib/gcc/x86_64-linux-gnu/13/../../../../include/c++/13/bits/shared_ptr_base.h:1357:9
#13 0x00007c17a9bd657c ShouldStop build-llvm/tools/clang/stage2-bins/lldb/source/Target/Process.cpp:4060:13
#14 0x00007c17a9bd69f7 GetRestarted build-llvm/tools/clang/stage2-bins/lldb/include/lldb/Target/Process.h:423:40
#15 0x00007c17a9bd69f7 DoOnRemoval build-llvm/tools/clang/stage2-bins/lldb/source/Target/Process.cpp:4118:7
#16 0x00007c17a9c9637b __shared_count /usr/lib/gcc/x86_64-linux-gnu/13/../../../../include/c++/13/bits/shared_ptr_base.h:1242:17
#17 0x00007c17a9c9637b __shared_ptr<lldb_private::Event, void> /usr/lib/gcc/x86_64-linux-gnu/13/../../../../include/c++/13/bits/shared_ptr_base.h:1548:4
#18 0x00007c17a9c9637b shared_ptr<lldb_private::Event, void> /usr/lib/gcc/x86_64-linux-gnu/13/../../../../include/c++/13/bits/shared_ptr.h:381:4
#19 0x00007c17a9c9637b shared_from_this /usr/lib/gcc/x86_64-linux-gnu/13/../../../../include/c++/13/bits/shared_ptr.h:935:16
#20 0x00007c17a9c9637b DoOnRemoval build-llvm/tools/clang/stage2-bins/lldb/source/Utility/Event.cpp:90:19
#21 0x00007c17a9c9c85b FindNextEventInternal build-llvm/tools/clang/stage2-bins/lldb/source/Utility/Listener.cpp:0:17
#22 0x00007c17a9c9cde1 GetEventInternal build-llvm/tools/clang/stage2-bins/lldb/source/Utility/Listener.cpp:280:9
#23 0x00007c17a9a2f71d DefaultEventHandler build-llvm/tools/clang/stage2-bins/lldb/source/Core/Debugger.cpp:1887:9
#24 0x00007c17a9a32dc0 _M_invoke /usr/lib/gcc/x86_64-linux-gnu/13/../../../../include/c++/13/bits/std_function.h:290:2
#25 0x00007c17a9af9dab operator() /usr/lib/gcc/x86_64-linux-gnu/13/../../../../include/c++/13/bits/std_function.h:591:9
#26 0x00007c17a9af9dab ThreadCreateTrampoline build-llvm/tools/clang/stage2-bins/lldb/source/Host/common/HostNativeThreadBase.cpp:62:10
#27 0x00007c17a169caa4 start_thread ./nptl/pthread_create.c:447:8
#28 0x00007c17a1729c3c clone3 ./misc/../sysdeps/unix/sysv/linux/x86_64/clone3.S:80:0
LLDB diagnostics will be written to /home/nfrmtk/tmp/diagnostics-01d006
Please include the directory content when filing a bug report
Segmentation fault
```
diagnostics dir contains 1 empty diagnostics.log file
</pre>
<img width="1" height="1" alt="" src="http://email.email.llvm.org/o/eJzsW11z4yqT_jXkhooLgT4vcuF8-JxUzcxJOZndeq9cCCGbHRm0gJL4XOxv3wIkW449ecdzksls1bpcM4pomqeb7qYbMDVGLCXnFyC5BMn1Ge3sSukLWeu1_XZWqmpzAVIUviU1K4CmAOdNU5UAF9BSveQWMs2p5RBgvKnKhZCW65oyvlhzveQLy41ddBZgDND0qtOaSwv5M2edpWXDoeEWWgUBzgCerdSaAzwL4wM825iKAjxrz5_o5tzzA3hWdqKpXONro2UQ4Pw5TxdpDHAx2QeuOwnQ9E4rxo2BUYJjBBvaSbbiFSDTdwYD0HTeSSnkEq6pkADnDlOt1RpOAJ4tlVo23PUFeGY0c688J0c8YcyJklwCcv3aN7mGwxgRdL0D__7ZdMLySWB0vv24Tn80qqRNoOLyUWgl127CDLfnXXu0y5j_v64vPzvRbwdNhA5w_vUL9B_X4YBoMqeyUmtH-7pU_ye-gxTerMLjzXz-19wZ1rSqNDfmnkphxd9cu3crTtvzsqtrrs_VI9d1o56gkpAGWoies7qu64xkUY4QpBa2DKLnxH-ypKxZDst2IKvruiwJgmbvDa4RQNP_nN8-3EBVQyP-5hAnqWP2gr1daU4r-ODo_YRhgvZHy6CQcLGghsrFmq9Zu4HehN_QXy7RM0ZZzTLnGADnl67TrXfNIkNlXtASlXmaZ6wO_tQjjbZI8yzmBXZIH-5b0TRCLgGZAjL9pGgFcL59e9ko9g3gK9hJHwor2Ci5dC8elagAnh5pc5h-TNp2eNi4wDMz_aBObxPWtoBMEwzIlOxEwDsRMInr2ItwK9vOXlNLAbmKOkBugixf-LMdywJwego4IVnTVUdghtnQvOaaS8Ynq4AUATKNvF0ATMjOKGgaZ8jh3KpJSAvdBG9ZBLyeL26f6AaQq5o2hjvlRp37N_Zi4fyFqvfVL6R1f-8LfAWNrcIAFf_vjgNydTi7WxLaNIpRq_QhmVPrzfvqMPLTjbNeifFOiUXNqfesg-i4CNFx8eBWBC-De7pU1aZfOU42Rudn5hUf7E3TRa9gmgCTZGeXZVwU3EF1HuKD_9a7PDdJm_DXn1RWDb95Zry1QklzKz9zu1LVbX3fta3S1q22V3sMvJCD83mDONI8HSjg0Xb_5KmKoCFHzlZUQ6Zk3794j5hFUlQU_MSYle4UW6SEJE6x35Fp3sntlL89-BgTkpwIPhuD76PVAfhbWatfI0BcxycKkI8FSCt-VIB7ly79GgnS6lT7KXYS0DiJywMJ9n3yqxTWT8q6bbYiTZvmIcSEdxMtQUlcnrqco1HQSVCWOtlKpZo3DjqvaAhf-QGPhKLXOk2HfgcB6t9NxseErQhl6alzE409J6-yA7sbhPs1jpNXJyeLo1Qry2lEnASuxnoXhDimETkVIdlm5zmmEStC5t2Iki2MpdouGG0aXxdCZjqAZxNXQJqNqXjrFnjZ2gbg2bEOk5VL6XKXk6SjEePxiDinByO-HCw8OoJzTzBhLmlI0X5WG-3Sh5QRl_g4vr7De2g7SmtMfngpAGj6oggSBvoskVcQwXJjuYG0tlzDqEhTlJ-7V1DzpVASguRy2zt2vQG-2mcXRukTT17BcrOrsuCKa7-0HKu2CpbhyGlKtVy7nBVK_nSYI7-LS-E4z3D00_VXVhKa1A77NvNeLCR_Wozz7305hqpmUNShoH3Stx8OZ53RTi4hB5NshEvAl4wBPAubLueNkN3z-VI6W43igfDFP7tcngF86b-BuBQ-Xd6D7_0nSqJxOo9H4mMWR3vi_xPBf62cL2QsUufL-LDue0XGhdXUMSNXPyj_oQp-rGMoAD9eXb3AXmNx5sIqRodF3qHGFv_BmdNXSQ0_kO97det31bf4vPhdjMjYZvHoZfM6ITka6yQZ6SSi2b5OQrc30UbFa9o1dkHblsvqo3XS68Myt0bmJHZ6iXuNpKP9lKTkybtoRHMj_v7dTCNCkYswgyKyvT2R9DfbEyGFm7oeav7_eyJvvCcC0PT-6-fP0_m_Ttot_9j954P9cCfFilbqacgdtepkBe2Kw7JbLjfD1v6Q943SxcTHSYjQSV_HZcQkRW_B5C2QZG-BJPtZJP7w5eZFMk6mILmsKUiuawp_-PsCUh4gncLhkEmB3oLJWyChb4GE_iySka_Ahi-59DFMSQ7NqEXzVnPDpTUwh7RtG8Goi6DBx1z46L2pjxq0bHgwG__2jmoraNNsnW_bHkGEISIQxRAlEKUQZdB3-ZPTFja8tlDz6m8leRDPt80055UPRn0d6NrCp648xb2l7NtB90AROYpAsBbVQTus8YiFFsvVAY-ajChCbaq57fQOR52MKDrDeyrDVNtzqf06Nhz5jmUsxg1CCguVrkL87ZmHPYM7JYySoaTtzJgA1r4ogldKWiok13AI1juALEyX1nQDmVLfxEgD_kMDxa20mkJV_hdne3ooy8Dgnko4WmRHDGruKT65SQgJ0ks9sjCdc6_joySsPHaiO738a_5w--WP_XsFd59upvc30HTlWlhIXbR3dqu0v-Kwsrb1MR_PXF4l7KorJ0ytXarVPA7_nbdaOUldImVM50x7BqmsYJ9W-WWEaWpWsKTsm9WU-aP8Ye8AIYQyFmUUlzQlZQ09b7_-m40JD3daSOst48F19xIMRJo-LZSxmtN1X135U7cC-pXzvEdqlWocMtZQl0DOjKVLjs9LIc1IHJ9A9nkNwLOvUjy7F2IpaWMmQro8OMPEJYHDOVP0QoQ4rotjIsw7GfiEhEoPe9f_HOUALyR8EXLJaZSPSvw9DZcIwT0g76WnOPJ6GpXhWxxRGieEoD4NCtyOJOyNKNnEqEnqExzfpd-96avULUOKMEoognNuteCPfO5t-Jpaepp04dBbddrZ2Oyu6Zah5VYaq7s1l9aH8HknrfC521crGmE3AM_CkAMAvZ0Nf346PpQcgyYFT-H_LBZmRTWvFkx10u5Km39Xz5BT6hkyqmfCaK0NZXxf1GT-uByPyrtXkLZWfxDOBPsyNBpVXwc4vygr6s2l5vRbq4S0fwr7wXaAvR2QbFSIbVEXVVpkhH4AarcSfbfdNfbos2R8k6LYA89QVhcRvOO6Vno9ZSHF-XnYD_6OnosmVrW3slbDvROS-K0qv4CFk7YdiLJKk4zBJf8o70nTdDiZGM6aDtAtPi8-DiBJXTROB4D4GMBh1_4ckJuPgplkgEyLHiU5hvJ-pbqmctbxJmbWX6rcXiHxJ0F-dR-Ol_YQFHUG_-B2zv1ZkMskT8awU0z_4gCL35T1aUaMeiDJMSDX6i8552v1SJv30EUU5c75ewTpvtsXKclK-FssXTh2wTUagGavAm2tBuTKqWDRavFIh4sSN49cjnetPmp5i_N-b9GJkh8T5TcWpN86j0YiFK-IUGu1XtiVML8cY-FXkyFeY3QM5Bt51y418DPTO1fhw0wf6HD0YnyWJyWcCVl94c_Wd7vt68W3QfJJGMvlNjtBI_fB-CWWikcu5L0_DOw3ZAad7Ad_iussquB1OB_xWH6qftmHcqW0---al91yuUva83y0CuH9NYASXDHkFnMhH9U3_gtM11aLupM-s_LGi73x4B7e_spA66Ki5XYp350u_GKMSRGNVJgew_jg7xRc-R9jPGi6blUjJP8n0_mn8r9BYGq9VrL_-wu14pGHsS5dmA1znOIhpXX4sv3qtGCUxjDcH-lvPkx2t1Pa8GoRfkbi74_EcdYfszhue1E7ynDBCIOsUZITz2ctDDu8-9KFItpszKOfKNk9byfJa8D1n9y7cZD3WTT99On6ElaCLqUyVjADn0TTwJLDJy2s5TL8TuXgnMGuW4Bno37nKKoQcsHwruHU8L2tm0pof_a1gUxJy6WFTysuYS0aIZd7e0YATe_5cltHQO-qTifDL3IAmo7RVsKf5lgqpIER5OvWbsbiTBq1dOPws-qCVAUp6Bm_iLIkyjDK0_hsdREVlJZljhnLkprxuGRJlmWoRiglaVHEZ-ICI5ygDCURQVkcTzJCY1pSzimLSRzFIEZ8TUUzcQY3UXp55jexLqI4i-LkrKElb4z_tRHGkj9B3wowBsn1mb7w-19ltzQgRo0w1uzYWGEbfuEstN_8elqJhsPKhxqvOUMlbLVaaro-63Rz8fPbbT3Yxwv8vwEAAP__CSAERA">