[MDEV-33235] ASAN & UBSAN errors in my_mb_wc_latin1 / my_convert_fix - Jira

Details

Type: Bug
Status: Confirmed (View Workflow)
Priority: Major
Resolution: Unresolved
Affects Version/s: 10.4(EOL), 10.5, 10.6, 10.11, 11.0(EOL), 11.1(EOL), 11.2(EOL), 11.3(EOL), 11.4, 11.7(EOL), 11.8
Fix Version/s: 10.5, 10.6, 10.11, 11.4
Component/s: Character Sets, Virtual Columns
Labels:

Description

--source include/have_innodb.inc

CREATE TABLE t (a VARCHAR(256), f VARCHAR(256) AS ('')) ENGINE=InnoDB;

INSERT INTO t (a) VALUES ('foo');

ALTER TABLE t MODIFY f VARCHAR(1024) AS (CONVERT(a USING utf8mb3));

CREATE INDEX idx ON t (f(16));

# Cleanup

DROP TABLE t;

10.4 c9b0c006e0491c9f7a1dae07090db3cdb87da446
==1302833==ERROR: AddressSanitizer: use-after-poison on address 0x6290002a878d at pc 0x55d05836fadb bp 0x7f45d4a72e80 sp 0x7f45d4a72e78
READ of size 1 at 0x6290002a878d thread T27
#0 0x55d05836fada in my_mb_wc_latin1 /data/bld/10.4-asan/strings/ctype-latin1.c:372
#1 0x55d0583ea639 in my_convert_fix /data/bld/10.4-asan/strings/ctype.c:1164
#2 0x55d05697d914 in String_copier::well_formed_copy(charset_info_st const, char, unsigned long, charset_info_st const, char const, unsigned long, unsigned long) /data/bld/10.4-asan/sql/sql_string.cc:1089
#3 0x55d056f96d04 in String::copy(charset_info_st const, charset_info_st const, char const, unsigned long, unsigned long, String_copier) /data/bld/10.4-asan/sql/sql_string.h:959
#4 0x55d056f6dcf6 in String_copier_for_item::copy_with_warn(charset_info_st const, String, charset_info_st const, char const, unsigned int, unsigned int) /data/bld/10.4-asan/sql/item.cc:6542
#5 0x55d0570eefb1 in Item_func_conv_charset::val_str(String*) /data/bld/10.4-asan/sql/item_strfunc.cc:3568
#6 0x55d056f6f342 in Item::save_str_in_field(Field*, bool) /data/bld/10.4-asan/sql/item.cc:6784
#7 0x55d056cb39a5 in Type_handler_string_result::Item_save_in_field(Item, Field, bool) const /data/bld/10.4-asan/sql/sql_type.cc:3825
#8 0x55d056f6fae2 in Item::save_in_field(Field*, bool) /data/bld/10.4-asan/sql/item.cc:6832
#9 0x55d056a8d0a8 in TABLE::update_virtual_field(Field*, bool) /data/bld/10.4-asan/sql/table.cc:8642
#10 0x55d0578e1455 in innobase_get_computed_value(dtuple_t, dict_v_col_t const, dict_index_t const, mem_block_info_t, mem_block_info_t, dict_field_t const, THD, TABLE, unsigned char, dict_table_t const, upd_t const, bool) /data/bld/10.4-asan/storage/innobase/handler/ha_innodb.cc:20882
#11 0x55d057be525a in row_merge_buf_add /data/bld/10.4-asan/storage/innobase/row/row0merge.cc:576
#12 0x55d057bf2cb1 in row_merge_read_clustered_index /data/bld/10.4-asan/storage/innobase/row/row0merge.cc:2317
#13 0x55d057c023d9 in row_merge_build_indexes(trx_t, dict_table_t, dict_table_t, bool, dict_index_t, unsigned long const, unsigned long, TABLE, dtuple_t const, unsigned long const, unsigned long, ib_sequence_t&, bool, ut_stage_alter_t, dict_add_v_col_t const, TABLE, bool) /data/bld/10.4-asan/storage/innobase/row/row0merge.cc:4664
#14 0x55d0579586ea in ha_innobase::inplace_alter_table(TABLE, Alter_inplace_info) /data/bld/10.4-asan/storage/innobase/handler/handler0alter.cc:8752
#15 0x55d0569d897b in handler::ha_inplace_alter_table(TABLE, Alter_inplace_info) /data/bld/10.4-asan/sql/handler.h:4361
#16 0x55d0569b926e in mysql_inplace_alter_table /data/bld/10.4-asan/sql/sql_table.cc:8012
#17 0x55d0569cc2eb in mysql_alter_table(THD, st_mysql_const_lex_string const, st_mysql_const_lex_string const, HA_CREATE_INFO, TABLE_LIST, Recreate_info, Alter_info, unsigned int, st_order, bool) /data/bld/10.4-asan/sql/sql_table.cc:10582
#18 0x55d056746008 in mysql_execute_command(THD*) /data/bld/10.4-asan/sql/sql_parse.cc:4258
#19 0x55d056760c74 in mysql_parse(THD, char, unsigned int, Parser_state*, bool, bool) /data/bld/10.4-asan/sql/sql_parse.cc:8088
#20 0x55d056736893 in dispatch_command(enum_server_command, THD, char, unsigned int, bool, bool) /data/bld/10.4-asan/sql/sql_parse.cc:1857
#21 0x55d056733402 in do_command(THD*) /data/bld/10.4-asan/sql/sql_parse.cc:1378
#22 0x55d056b3a91c in do_handle_one_connection(CONNECT*) /data/bld/10.4-asan/sql/sql_connect.cc:1419
#23 0x55d056b3a233 in handle_one_connection /data/bld/10.4-asan/sql/sql_connect.cc:1323
#24 0x55d0577a0775 in pfs_spawn_thread /data/bld/10.4-asan/storage/perfschema/pfs.cc:1869
#25 0x7f45eaaa8043 in start_thread nptl/pthread_create.c:442
#26 0x7f45eab2861b in clone3 ../sysdeps/unix/sysv/linux/x86_64/clone3.S:81

0x6290002a878d is located 1421 bytes inside of 16512-byte region [0x6290002a8200,0x6290002ac280)
allocated by thread T27 here:
#0 0x7f45eb0b89cf in __interceptor_malloc ../../../../src/libsanitizer/asan/asan_malloc_linux.cpp:69
#1 0x55d057a9b389 in mem_heap_create_block_func(mem_block_info_t, unsigned long, char const, unsigned int, unsigned long) /data/bld/10.4-asan/storage/innobase/mem/mem0mem.cc:277
#2 0x55d057880cb2 in mem_heap_create_func /data/bld/10.4-asan/storage/innobase/include/mem0mem.inl:375
#3 0x55d0578dfb50 in innobase_allocate_row_for_vcol(THD, dict_index_t, mem_block_info_t, TABLE, VCOL_STORAGE*) /data/bld/10.4-asan/storage/innobase/handler/ha_innodb.cc:20713
#4 0x55d057be5150 in row_merge_buf_add /data/bld/10.4-asan/storage/innobase/row/row0merge.cc:568
#5 0x55d057bf2cb1 in row_merge_read_clustered_index /data/bld/10.4-asan/storage/innobase/row/row0merge.cc:2317
#6 0x55d057c023d9 in row_merge_build_indexes(trx_t, dict_table_t, dict_table_t, bool, dict_index_t, unsigned long const, unsigned long, TABLE, dtuple_t const, unsigned long const, unsigned long, ib_sequence_t&, bool, ut_stage_alter_t, dict_add_v_col_t const, TABLE, bool) /data/bld/10.4-asan/storage/innobase/row/row0merge.cc:4664
#7 0x55d0579586ea in ha_innobase::inplace_alter_table(TABLE, Alter_inplace_info) /data/bld/10.4-asan/storage/innobase/handler/handler0alter.cc:8752
#8 0x55d0569d897b in handler::ha_inplace_alter_table(TABLE, Alter_inplace_info) /data/bld/10.4-asan/sql/handler.h:4361
#9 0x55d0569b926e in mysql_inplace_alter_table /data/bld/10.4-asan/sql/sql_table.cc:8012
#10 0x55d0569cc2eb in mysql_alter_table(THD, st_mysql_const_lex_string const, st_mysql_const_lex_string const, HA_CREATE_INFO, TABLE_LIST, Recreate_info, Alter_info, unsigned int, st_order, bool) /data/bld/10.4-asan/sql/sql_table.cc:10582
#11 0x55d056746008 in mysql_execute_command(THD*) /data/bld/10.4-asan/sql/sql_parse.cc:4258
#12 0x55d056760c74 in mysql_parse(THD, char, unsigned int, Parser_state*, bool, bool) /data/bld/10.4-asan/sql/sql_parse.cc:8088
#13 0x55d056736893 in dispatch_command(enum_server_command, THD, char, unsigned int, bool, bool) /data/bld/10.4-asan/sql/sql_parse.cc:1857
#14 0x55d056733402 in do_command(THD*) /data/bld/10.4-asan/sql/sql_parse.cc:1378
#15 0x55d056b3a91c in do_handle_one_connection(CONNECT*) /data/bld/10.4-asan/sql/sql_connect.cc:1419
#16 0x55d056b3a233 in handle_one_connection /data/bld/10.4-asan/sql/sql_connect.cc:1323
#17 0x55d0577a0775 in pfs_spawn_thread /data/bld/10.4-asan/storage/perfschema/pfs.cc:1869
#18 0x7f45eaaa8043 in start_thread nptl/pthread_create.c:442

Thread T27 created by T0 here:
#0 0x7f45eb049726 in __interceptor_pthread_create ../../../../src/libsanitizer/asan/asan_interceptors.cpp:207
#1 0x55d0577a0b62 in spawn_thread_v1 /data/bld/10.4-asan/storage/perfschema/pfs.cc:1919
#2 0x55d05643921c in inline_mysql_thread_create /data/bld/10.4-asan/include/mysql/psi/mysql_thread.h:1275
#3 0x55d0564509fb in create_thread_to_handle_connection(CONNECT*) /data/bld/10.4-asan/sql/mysqld.cc:6311
#4 0x55d056451146 in create_new_thread(CONNECT*) /data/bld/10.4-asan/sql/mysqld.cc:6381
#5 0x55d056451614 in handle_accepted_socket(st_mysql_socket, st_mysql_socket) /data/bld/10.4-asan/sql/mysqld.cc:6479
#6 0x55d0564524c0 in handle_connections_sockets() /data/bld/10.4-asan/sql/mysqld.cc:6637
#7 0x55d05645015e in mysqld_main(int, char**) /data/bld/10.4-asan/sql/mysqld.cc:5969
#8 0x55d0564370a8 in main /data/bld/10.4-asan/sql/main.cc:25
#9 0x7f45eaa461c9 in __libc_start_call_main ../sysdeps/nptl/libc_start_call_main.h:58

SUMMARY: AddressSanitizer: use-after-poison /data/bld/10.4-asan/strings/ctype-latin1.c:372 in my_mb_wc_latin1
Shadow bytes around the buggy address:
0x0c528004d0a0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x0c528004d0b0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x0c528004d0c0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x0c528004d0d0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x0c528004d0e0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
=>0x0c528004d0f0: 00[05]f7 f7 00 00 00 00 00 00 00 00 00 00 00 00
0x0c528004d100: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x0c528004d110: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x0c528004d120: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x0c528004d130: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x0c528004d140: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
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
==1302833==ABORTING

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Roel Van de Paar added a comment - 2024-12-24 05:46

Ran into this also with a testcase using CONVERT. Using Clang I got the following:

SELECT CONVERT (REPLACE (EXPORT_SET ('a','a','a','','a'),'00','') USING ujis);

Leads to:

CS 10.5.28 a226f12675c6312ca7632b90261397e313e6a7ae (Optimized, UBASAN, Clang)
/test/10.5_opt_san/strings/ctype.c:1292:46: runtime error: applying zero offset to null pointer
SUMMARY: UndefinedBehaviorSanitizer: nullptr-with-offset /test/10.5_opt_san/strings/ctype.c:1292:46
#0 0x55e9618ed271 in my_convert_fix /test/10.5_opt_san/strings/ctype.c:1292:46
#1 0x55e95f0fd0df in String_copier::well_formed_copy(charset_info_st const, char, unsigned long, charset_info_st const, char const, unsigned long, unsigned long) /test/10.5_opt_san/sql/sql_string.cc:1111:17
#2 0x55e95fcf1f27 in String::copy(charset_info_st const, charset_info_st const, char const, unsigned long, unsigned long, String_copier) /test/10.5_opt_san/sql/sql_string.h:973:25
#3 0x55e95fcf1f27 in String_copier_for_item::copy_with_warn(charset_info_st const, String, charset_info_st const, char const, unsigned int, unsigned int) /test/10.5_opt_san/sql/item.cc:6659:7
#4 0x55e96005397d in Item_func_conv_charset::val_str(String*) /test/10.5_opt_san/sql/item_strfunc.cc:3558:31
#5 0x55e95f706149 in Type_handler::Item_send_str(Item, Protocol, st_value*) const /test/10.5_opt_san/sql/sql_type.cc:7563:19
#6 0x55e95e7e8240 in Protocol::send_result_set_row(List<Item>*) /test/10.5_opt_san/sql/protocol.cc:1086:15
#7 0x55e95eacea15 in select_send::send_data(List<Item>&) /test/10.5_opt_san/sql/sql_class.cc:3161:17
#8 0x55e95eed1102 in JOIN::exec_inner() /test/10.5_opt_san/sql/sql_select.cc:4532:22
#9 0x55e95eecc80c in JOIN::exec() /test/10.5_opt_san/sql/sql_select.cc:4444:3
#10 0x55e95ee31df3 in mysql_select(THD, TABLE_LIST, List<Item>&, Item, unsigned int, st_order, st_order, Item, st_order, unsigned long long, select_result, st_select_lex_unit, st_select_lex) /test/10.5_opt_san/sql/sql_select.cc:4921:9
#11 0x55e95ee305ad in handle_select(THD, LEX, select_result*, unsigned long) /test/10.5_opt_san/sql/sql_select.cc:449:10
#12 0x55e95ed46ab2 in execute_sqlcom_select(THD, TABLE_LIST) /test/10.5_opt_san/sql/sql_parse.cc:6451:12
#13 0x55e95ed2991f in mysql_execute_command(THD*) /test/10.5_opt_san/sql/sql_parse.cc:4043:12
#14 0x55e95ecf0e98 in mysql_parse(THD, char, unsigned int, Parser_state*, bool, bool) /test/10.5_opt_san/sql/sql_parse.cc:8251:18
#15 0x55e95ece39d0 in dispatch_command(enum_server_command, THD, char, unsigned int, bool, bool) /test/10.5_opt_san/sql/sql_parse.cc:1891:7
#16 0x55e95ecf38d9 in do_command(THD*) /test/10.5_opt_san/sql/sql_parse.cc:1375:17
#17 0x55e95f3fb5c2 in do_handle_one_connection(CONNECT*, bool) /test/10.5_opt_san/sql/sql_connect.cc:1386:11
#18 0x55e95f3faa24 in handle_one_connection /test/10.5_opt_san/sql/sql_connect.cc:1298:5
#19 0x55e95e75b10c in asan_thread_start(void*) asan_interceptors.cpp.o
#20 0x14adbc69ca93 in start_thread nptl/pthread_create.c:447:8
#21 0x14adbc729c3b in clone3 misc/../sysdeps/unix/sysv/linux/x86_64/clone3.S:78

SUMMARY: UndefinedBehaviorSanitizer: nullptr-with-offset /test/10.5_opt_san/strings/ctype.c:1292:46

Setup:

Compiled with a recent version of Clang (I used Clang 18.1.3) with LLVM 18:

     # Note: llvm-17-linker-tools installs /usr/lib/llvm-17/lib/LLVMgold.so, which is needed for compilation, and LLVMgold.so is no longer included in LLVM 18

     sudo apt install clang llvm-18 llvm-18-linker-tools llvm-18-runtime llvm-18-tools llvm-18-dev libstdc++-14-dev llvm-dev llvm-17-linker-tools

     sudo ln -s /usr/lib/llvm-17/lib/LLVMgold.so /usr/lib/llvm-18/lib/LLVMgold.so

Compiled with: '-DCMAKE_C_COMPILER=/usr/bin/clang -DCMAKE_CXX_COMPILER=/usr/bin/clang++' and:

    -DWITH_ASAN=ON -DWITH_ASAN_SCOPE=ON -DWITH_UBSAN=ON -DWSREP_LIB_WITH_ASAN=ON

Set before execution:

    export UBSAN_OPTIONS=print_stacktrace=1:report_error_type=1   # And you may also want to supress UBSAN startup issues using 'suppressions=UBSAN.filter'. For an example of UBSAN.filter, which includes current startup issues see: https://github.com/mariadb-corporation/mariadb-qa/blob/master/UBSAN.filter

Bug confirmed present in:
MariaDB: 10.5.28 (dbg), 10.5.28 (opt), 10.6.21 (dbg), 10.6.21 (opt), 10.11.11 (dbg), 10.11.11 (opt), 11.4.5 (dbg), 11.4.5 (opt), 11.7.1 (dbg), 11.7.1 (opt), 11.8.0 (dbg), 11.8.0 (opt)

Roel Van de Paar added a comment - 2024-12-24 05:46 Ran into this also with a testcase using CONVERT . Using Clang I got the following: SELECT CONVERT ( REPLACE (EXPORT_SET ( 'a' , 'a' , 'a' , '' , 'a' ), '00' , '' ) USING ujis); Leads to: CS 10.5.28 a226f12675c6312ca7632b90261397e313e6a7ae (Optimized, UBASAN, Clang) /test/10.5_opt_san/strings/ctype.c:1292:46: runtime error: applying zero offset to null pointer SUMMARY: UndefinedBehaviorSanitizer: nullptr-with-offset /test/10.5_opt_san/strings/ctype.c:1292:46 #0 0x55e9618ed271 in my_convert_fix /test/10.5_opt_san/strings/ctype.c:1292:46 #1 0x55e95f0fd0df in String_copier::well_formed_copy(charset_info_st const*, char*, unsigned long, charset_info_st const*, char const*, unsigned long, unsigned long) /test/10.5_opt_san/sql/sql_string.cc:1111:17 #2 0x55e95fcf1f27 in String::copy(charset_info_st const*, charset_info_st const*, char const*, unsigned long, unsigned long, String_copier*) /test/10.5_opt_san/sql/sql_string.h:973:25 #3 0x55e95fcf1f27 in String_copier_for_item::copy_with_warn(charset_info_st const*, String*, charset_info_st const*, char const*, unsigned int, unsigned int) /test/10.5_opt_san/sql/item.cc:6659:7 #4 0x55e96005397d in Item_func_conv_charset::val_str(String*) /test/10.5_opt_san/sql/item_strfunc.cc:3558:31 #5 0x55e95f706149 in Type_handler::Item_send_str(Item*, Protocol*, st_value*) const /test/10.5_opt_san/sql/sql_type.cc:7563:19 #6 0x55e95e7e8240 in Protocol::send_result_set_row(List<Item>*) /test/10.5_opt_san/sql/protocol.cc:1086:15 #7 0x55e95eacea15 in select_send::send_data(List<Item>&) /test/10.5_opt_san/sql/sql_class.cc:3161:17 #8 0x55e95eed1102 in JOIN::exec_inner() /test/10.5_opt_san/sql/sql_select.cc:4532:22 #9 0x55e95eecc80c in JOIN::exec() /test/10.5_opt_san/sql/sql_select.cc:4444:3 #10 0x55e95ee31df3 in mysql_select(THD*, TABLE_LIST*, List<Item>&, Item*, unsigned int, st_order*, st_order*, Item*, st_order*, unsigned long long, select_result*, st_select_lex_unit*, st_select_lex*) /test/10.5_opt_san/sql/sql_select.cc:4921:9 #11 0x55e95ee305ad in handle_select(THD*, LEX*, select_result*, unsigned long) /test/10.5_opt_san/sql/sql_select.cc:449:10 #12 0x55e95ed46ab2 in execute_sqlcom_select(THD*, TABLE_LIST*) /test/10.5_opt_san/sql/sql_parse.cc:6451:12 #13 0x55e95ed2991f in mysql_execute_command(THD*) /test/10.5_opt_san/sql/sql_parse.cc:4043:12 #14 0x55e95ecf0e98 in mysql_parse(THD*, char*, unsigned int, Parser_state*, bool, bool) /test/10.5_opt_san/sql/sql_parse.cc:8251:18 #15 0x55e95ece39d0 in dispatch_command(enum_server_command, THD*, char*, unsigned int, bool, bool) /test/10.5_opt_san/sql/sql_parse.cc:1891:7 #16 0x55e95ecf38d9 in do_command(THD*) /test/10.5_opt_san/sql/sql_parse.cc:1375:17 #17 0x55e95f3fb5c2 in do_handle_one_connection(CONNECT*, bool) /test/10.5_opt_san/sql/sql_connect.cc:1386:11 #18 0x55e95f3faa24 in handle_one_connection /test/10.5_opt_san/sql/sql_connect.cc:1298:5 #19 0x55e95e75b10c in asan_thread_start(void*) asan_interceptors.cpp.o #20 0x14adbc69ca93 in start_thread nptl/pthread_create.c:447:8 #21 0x14adbc729c3b in clone3 misc/../sysdeps/unix/sysv/linux/x86_64/clone3.S:78 SUMMARY: UndefinedBehaviorSanitizer: nullptr-with-offset /test/10.5_opt_san/strings/ctype.c:1292:46 Setup: Compiled with a recent version of Clang (I used Clang 18.1.3) with LLVM 18: # Note: llvm-17-linker-tools installs /usr/lib/llvm-17/lib/LLVMgold.so, which is needed for compilation, and LLVMgold.so is no longer included in LLVM 18 sudo apt install clang llvm-18 llvm-18-linker-tools llvm-18-runtime llvm-18-tools llvm-18-dev libstdc++-14-dev llvm-dev llvm-17-linker-tools sudo ln -s /usr/lib/llvm-17/lib/LLVMgold.so /usr/lib/llvm-18/lib/LLVMgold.so Compiled with: '-DCMAKE_C_COMPILER=/usr/bin/clang -DCMAKE_CXX_COMPILER=/usr/bin/clang++' and: -DWITH_ASAN=ON -DWITH_ASAN_SCOPE=ON -DWITH_UBSAN=ON -DWSREP_LIB_WITH_ASAN=ON Set before execution: export UBSAN_OPTIONS=print_stacktrace=1:report_error_type=1 # And you may also want to supress UBSAN startup issues using 'suppressions=UBSAN.filter'. For an example of UBSAN.filter, which includes current startup issues see: https://github.com/mariadb-corporation/mariadb-qa/blob/master/UBSAN.filter Bug confirmed present in: MariaDB: 10.5.28 (dbg), 10.5.28 (opt), 10.6.21 (dbg), 10.6.21 (opt), 10.11.11 (dbg), 10.11.11 (opt), 11.4.5 (dbg), 11.4.5 (opt), 11.7.1 (dbg), 11.7.1 (opt), 11.8.0 (dbg), 11.8.0 (opt)

Roel Van de Paar added a comment - 2024-12-24 05:49 - edited

Also verified the original t/c still reproduces. Same confirmed present in: MariaDB: 10.5.28 (dbg), 10.5.28 (opt), 10.6.21 (dbg), 10.6.21 (opt), 10.11.11 (dbg), 10.11.11 (opt), 11.4.5 (dbg), 11.4.5 (opt), 11.7.1 (dbg), 11.7.1 (opt), 11.8.0 (dbg), 11.8.0 (opt)

ASAN Stacks accross all versions:

ASAN|use-after-poison|strings/ctype-latin1.c|my_mb_wc_latin1|my_convert_fix|String_copier::well_formed_copy|String::copy

ASAN|use-after-poison|strings/ctype-utf8.h|my_mb_wc_utf8mb4_quick|my_convert_fix|String_copier::well_formed_copy|String::copy

ASAN|use-after-poison|strings/ctype-utf8.h|my_mb_wc_utf8mb4_quick|my_mb_wc_utf8mb4|my_convert_fix|String_copier::well_formed_copy

People

Assignee:: Alexander Barkov

Reporter:: Elena Stepanova

Votes:: 0 Vote for this issue

Watchers:: 2 Start watching this issue

Dates

Created:: 2024-01-13 16:03

Updated:: 2025-02-14 11:39

Git Integration

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