[MDEV-37499] Assertion `name != __null' failed in ACL_internal_schema_registry::lookup, and SIGSEGV+UBSAN in my_strcasecmp_utf8mb3 on SHOW - Jira

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Type: Bug
Status: Open (View Workflow)
Priority: Major
Resolution: Unresolved
Affects Version/s: 10.6, 10.11, 11.4, 11.8, 12.1, 12.2
Fix Version/s: 10.6, 10.11, 11.4, 11.8, 12.1
Component/s: Authentication and Privilege System, Character Sets, Parser
Labels:
- UBSAN
- null-pointer-use

Bug Category:
Can result in hang or crash

Description

SHOW STATUS WHERE 1 IN (WITH c AS (SELECT 1) SELECT * FROM t);

Leads to:

CS 10.11.15 c45a34b2fb10e4e8f768e7e5fe846e9592eb6ea8 (Optimized, Clang 18.1.3-1) Build 08/08/2025
Core was generated by `/test/MD080825-mariadb-10.11.15-linux-x86_64-opt/bin/mariadbd --no-defaults --m'.
Program terminated with signal SIGSEGV, Segmentation fault.
#0 my_strcasecmp_utf8mb3 (cs=<optimized out>, s=0x5b7575f01df1 "performance_schema", t=0x0)at /test/10.11_opt/strings/ctype-utf8.c:904

[Current thread is 1 (LWP 2352503)]
(gdb) bt
#0 my_strcasecmp_utf8mb3 (cs=<optimized out>, s=0x5b7575f01df1 "performance_schema", t=0x0)at /test/10.11_opt/strings/ctype-utf8.c:904
#1 0x00005b757682b18e in ACL_internal_schema_registry::lookup (name=0x0)at /test/10.11_opt/sql/sql_acl.cc:13198
#2 get_cached_schema_access (grant_internal_info=0x7b4ae80127e8, schema_name=0x0) at /test/10.11_opt/sql/sql_acl.cc:13219
#3 get_cached_table_access (grant_internal_info=0x7b4ae80127e8, schema_name=0x0, table_name=0x7b4ae8012468 "t")at /test/10.11_opt/sql/sql_acl.cc:13242
#4 check_grant (thd=0x7b4ae8000c68, want_access=NO_ACL, tables=0x7b4ae8013960, any_combination_will_do=false, number=<optimized out>, no_errors=false)at /test/10.11_opt/sql/sql_acl.cc:8469
#5 0x00005b757690ca4b in execute_show_status (thd=thd@entry=0x7b4ae8000c68, all_tables=0x7b4ae8013960) at /test/10.11_opt/sql/sql_parse.cc:6470
#6 0x00005b7576907f50 in mysql_execute_command (thd=thd@entry=0x7b4ae8000c68, is_called_from_prepared_stmt=<optimized out>)at /test/10.11_opt/sql/sql_parse.cc:3925
#7 0x00005b75769034d1 in mysql_parse (thd=thd@entry=0x7b4ae8000c68, rawbuf=<optimized out>, length=<optimized out>, parser_state=parser_state@entry=0x7b4c14968480)at /test/10.11_opt/sql/sql_parse.cc:8180
#8 0x00005b757690198c in dispatch_command (command=command@entry=COM_QUERY, thd=thd@entry=0x7b4ae8000c68, packet=packet@entry=0x7b4ae80086d9 "SHOW STATUS WHERE 1 IN (WITH c AS (SELECT 1) SELECT * FROM t)", packet_length=packet_length@entry=61, blocking=true)at /test/10.11_opt/sql/sql_parse.cc:1906
#9 0x00005b75769038e1 in do_command (thd=thd@entry=0x7b4ae8000c68, blocking=true) at /test/10.11_opt/sql/sql_parse.cc:1419
#10 0x00005b7576a4b88d in do_handle_one_connection (connect=<optimized out>, connect@entry=0x5b7578d03b78, put_in_cache=true)at /test/10.11_opt/sql/sql_connect.cc:1386
#11 0x00005b7576a4b653 in handle_one_connection (arg=arg@entry=0x5b7578d03b78)at /test/10.11_opt/sql/sql_connect.cc:1298
#12 0x00005b7576be332e in pfs_spawn_thread (arg=0x5b7578d2f7b8)at /test/10.11_opt/storage/perfschema/pfs.cc:2201
#13 0x00007b4c1709ca94 in start_thread (arg=<optimized out>)at ./nptl/pthread_create.c:447
#14 0x00007b4c17129c3c in clone3 ()at ../sysdeps/unix/sysv/linux/x86_64/clone3.S:78

A stack seen previously in ~~MDEV-25586~~ aslso.

CS 12.1.2 033471a367b4c60b7262e64f43f46b02e95b9d74 (Debug, Clang 18.1.3-1) Build 08/08/2025
mariadbd: /test/12.1_dbg/sql/sql_acl.cc:13614: static const ACL_internal_schema_access ACL_internal_schema_registry::lookup(const char ): Assertion `name != __null' failed.

CS 12.1.2 033471a367b4c60b7262e64f43f46b02e95b9d74 (Debug, Clang 18.1.3-1) Build 08/08/2025
Core was generated by `/test/MD080825-mariadb-12.1.2-linux-x86_64-dbg/bin/mariadbd --no-defaults --max'.
Program terminated with signal SIGABRT, Aborted.
#0 __pthread_kill_implementation (no_tid=0, signo=6, threadid=<optimized out>)at ./nptl/pthread_kill.c:44

[Current thread is 1 (LWP 2632186)]
(gdb) bt
#0 __pthread_kill_implementation (no_tid=0, signo=6, threadid=<optimized out>)at ./nptl/pthread_kill.c:44
#1 __pthread_kill_internal (signo=6, threadid=<optimized out>)at ./nptl/pthread_kill.c:78
#2 __GI___pthread_kill (threadid=<optimized out>, signo=signo@entry=6)at ./nptl/pthread_kill.c:89
#3 0x00007262bb24526e in __GI_raise (sig=sig@entry=6)at ../sysdeps/posix/raise.c:26
#4 0x00007262bb2288ff in __GI_abort () at ./stdlib/abort.c:79
#5 0x00007262bb22881b in __assert_fail_base (fmt=0x7262bb3d01e8 "%s%s%s:%u: %s%sAssertion `%s' failed.\n%n", assertion=assertion@entry=0x561a5b2fbe27 "name != __null", file=file@entry=0x561a5b44db7b "/test/12.1_dbg/sql/sql_acl.cc", line=line@entry=13614, function=function@entry=0x561a5b37ad38 "static const ACL_internal_schema_access ACL_internal_schema_registry::lookup(const char )")at ./assert/assert.c:94
#6 0x00007262bb23b507 in __assert_fail (assertion=0x561a5b2fbe27 "name != __null", file=0x561a5b44db7b "/test/12.1_dbg/sql/sql_acl.cc", line=13614, function=0x561a5b37ad38 "static const ACL_internal_schema_access ACL_internal_schema_registry::lookup(const char )") at ./assert/assert.c:103
#7 0x0000561a5be94a23 in ACL_internal_schema_registry::lookup (name=0x0)at /test/12.1_dbg/sql/sql_acl.cc:13614
#8 0x0000561a5be94af1 in get_cached_schema_access (grant_internal_info=0x72618c01b930, schema_name=0x0)at /test/12.1_dbg/sql/sql_acl.cc:13641
#9 0x0000561a5be85a50 in get_cached_table_access (grant_internal_info=0x72618c01b930, schema_name=0x0, table_name=0x72618c01b5a0 "t") at /test/12.1_dbg/sql/sql_acl.cc:13664
#10 0x0000561a5be853bf in check_grant (thd=0x72618c000d58, want_access=NO_ACL, tables=0x72618c01cb18, any_combination_will_do=false, number=0, no_errors=false) at /test/12.1_dbg/sql/sql_acl.cc:8562
#11 0x0000561a5c02d1c6 in check_table_access (thd=0x72618c000d58, requirements=SELECT_ACL, tables=0x0, any_combination_of_privileges_will_do=false, number=4294967295, no_errors=false) at /test/12.1_dbg/sql/sql_parse.cc:7025
#12 0x0000561a5c03c40c in execute_show_status (thd=0x72618c000d58, all_tables=0x72618c01cb18) at /test/12.1_dbg/sql/sql_parse.cc:6210
#13 0x0000561a5c031e79 in mysql_execute_command (thd=0x72618c000d58, is_called_from_prepared_stmt=false) at /test/12.1_dbg/sql/sql_parse.cc:3866
#14 0x0000561a5c02a524 in mysql_parse (thd=0x72618c000d58, rawbuf=0x72618c019e80 "SHOW STATUS WHERE 1 IN (WITH c AS (SELECT 1) SELECT * FROM t)", length=61, parser_state=0x7262b81cea10)at /test/12.1_dbg/sql/sql_parse.cc:7883
#15 0x0000561a5c0278f8 in dispatch_command (command=COM_QUERY, thd=0x72618c000d58, packet=0x72618c00b1f9 "SHOW STATUS WHERE 1 IN (WITH c AS (SELECT 1) SELECT * FROM t)", packet_length=61, blocking=true)at /test/12.1_dbg/sql/sql_parse.cc:1878
#16 0x0000561a5c02b0d3 in do_command (thd=0x72618c000d58, blocking=true)at /test/12.1_dbg/sql/sql_parse.cc:1417
#17 0x0000561a5c24a139 in do_handle_one_connection (connect=0x561a5eb2df28, put_in_cache=true) at /test/12.1_dbg/sql/sql_connect.cc:1414
#18 0x0000561a5c249ede in handle_one_connection (arg=0x561a5ea62298)at /test/12.1_dbg/sql/sql_connect.cc:1326
#19 0x00007262bb29ca94 in start_thread (arg=<optimized out>)at ./nptl/pthread_create.c:447
#20 0x00007262bb329c3c in clone3 ()at ../sysdeps/unix/sysv/linux/x86_64/clone3.S:78

Bug Detection Matrix
Rel o/d Build Commit UniqueID observed
CS 10.6 dbg 080825 13f337ce1f295f4aac75db681e00c71f2bf8acaf name != __null\|SIGABRT\|ACL_internal_schema_registry::lookup\|get_cached_schema_access\|get_cached_table_access\|check_grant
CS 10.6 opt 080825 13f337ce1f295f4aac75db681e00c71f2bf8acaf SIGSEGV\|my_strcasecmp_utf8mb3\|ACL_internal_schema_registry::lookup\|get_cached_schema_access\|get_cached_table_access
CS 10.11 dbg 080825 c45a34b2fb10e4e8f768e7e5fe846e9592eb6ea8 name != __null\|SIGABRT\|ACL_internal_schema_registry::lookup\|get_cached_schema_access\|get_cached_table_access\|check_grant
CS 10.11 opt 080825 c45a34b2fb10e4e8f768e7e5fe846e9592eb6ea8 SIGSEGV\|my_strcasecmp_utf8mb3\|ACL_internal_schema_registry::lookup\|get_cached_schema_access\|get_cached_table_access
CS 11.4 dbg 080825 03b31c0bd99390c1984f19a19f22dd6e77b7692e name != __null\|SIGABRT\|ACL_internal_schema_registry::lookup\|get_cached_schema_access\|get_cached_table_access\|check_grant
CS 11.4 opt 080825 03b31c0bd99390c1984f19a19f22dd6e77b7692e SIGSEGV\|my_strcasecmp_utf8mb3\|ACL_internal_schema_registry::lookup\|get_cached_schema_access\|get_cached_table_access
CS 11.8 dbg 080825 1a446ccc48528e88a3cd6cd1d1ec9e7492d342ca name != __null\|SIGABRT\|ACL_internal_schema_registry::lookup\|get_cached_schema_access\|get_cached_table_access\|check_grant
CS 11.8 opt 080825 1a446ccc48528e88a3cd6cd1d1ec9e7492d342ca No bug found (ref below*)
CS 12.0 dbg 080825 aab83aecdca15738d114cf5a2f223f1d12e4e6bd name != __null\|SIGABRT\|ACL_internal_schema_registry::lookup\|get_cached_schema_access\|get_cached_table_access\|check_grant
CS 12.0 opt 080825 aab83aecdca15738d114cf5a2f223f1d12e4e6bd No bug found (ref below*)
CS 12.1 dbg 080825 033471a367b4c60b7262e64f43f46b02e95b9d74 name != __null\|SIGABRT\|ACL_internal_schema_registry::lookup\|get_cached_schema_access\|get_cached_table_access\|check_grant
CS 12.1 opt 080825 033471a367b4c60b7262e64f43f46b02e95b9d74 No bug found (ref below*)
CS 12.2 dbg 080825 e02f4d7e311e214ea62ff2e59599849e229f4165 name != __null\|SIGABRT\|ACL_internal_schema_registry::lookup\|get_cached_schema_access\|get_cached_table_access\|check_grant
CS 12.2 opt 080825 e02f4d7e311e214ea62ff2e59599849e229f4165 No bug found (ref below*)
ES 10.5 dbg 080825 70586522eacf09d04d49962072e14325a75d8155 name != __null\|SIGABRT\|ACL_internal_schema_registry::lookup\|get_cached_schema_access\|get_cached_table_access\|check_grant
ES 10.5 opt 080825 70586522eacf09d04d49962072e14325a75d8155 SIGSEGV\|my_strcasecmp_utf8mb3\|ACL_internal_schema_registry::lookup\|get_cached_schema_access\|get_cached_table_access
ES 10.6 dbg 080825 9b794f34b48fb7eee490b6da44edc0f33a947447 name != __null\|SIGABRT\|ACL_internal_schema_registry::lookup\|get_cached_schema_access\|get_cached_table_access\|check_grant
ES 10.6 opt 080825 9b794f34b48fb7eee490b6da44edc0f33a947447 SIGSEGV\|my_strcasecmp_utf8mb3\|ACL_internal_schema_registry::lookup\|get_cached_schema_access\|get_cached_table_access
ES 11.4 dbg 080825 a1c03ccd54b582e75506687ee19b273ca897f261 name != __null\|SIGABRT\|ACL_internal_schema_registry::lookup\|get_cached_schema_access\|get_cached_table_access\|check_grant
ES 11.4 opt 080825 a1c03ccd54b582e75506687ee19b273ca897f261 SIGSEGV\|my_strcasecmp_utf8mb3\|ACL_internal_schema_registry::lookup\|get_cached_schema_access\|get_cached_table_access
ES 11.8 dbg 080825 4cdf75ab6ba37d4e7e208690785e880ed3176f2f name != __null\|SIGABRT\|ACL_internal_schema_registry::lookup\|get_cached_schema_access\|get_cached_table_access\|check_grant
ES 11.8 opt 080825 4cdf75ab6ba37d4e7e208690785e880ed3176f2f No bug found (ref below*)
MS 5.5 dbg 070123 bac287c315b1792e7ae33f91add6a60292f9bae8 No bug found
MS 5.5 opt 070123 bac287c315b1792e7ae33f91add6a60292f9bae8 No bug found
MS 5.6 dbg 070123 dab95781a1244104d6b87020ac2fc4d190ba2946 No bug found
MS 5.6 opt 070123 dab95781a1244104d6b87020ac2fc4d190ba2946 No bug found
MS 5.7 dbg 070525 f7680e98b6bbe3500399fbad465d08a6b75d7a5c No bug found
MS 5.7 opt 070525 f7680e98b6bbe3500399fbad465d08a6b75d7a5c No bug found
MS 8.0 dbg 060224 49ef33f7edadef3ae04665e73d1babd40179a4f1 No bug found
MS 8.0 opt 060224 49ef33f7edadef3ae04665e73d1babd40179a4f1 No bug found
MS 9.1 dbg 211024 61a3a1d8ef15512396b4c2af46e922a19bf2b174 No bug found
MS 9.1 opt 211024 61a3a1d8ef15512396b4c2af46e922a19bf2b174 No bug found

(*) While CS /ES11.8+ release builds do not crash, it does not seem to act correctly:

CS 12.1.2 033471a367b4c60b7262e64f43f46b02e95b9d74 (Optimized, Clang 18.1.3-1) Build 08/08/2025
12.1.2-opt>USE test;
Database changed
12.1.2-opt>SHOW STATUS WHERE 1 IN (WITH c AS (SELECT 1) SELECT * FROM t);
ERROR 1046 (3D000): No database selected

Additionally, these builds still give a UBSAN failure:

CS 12.1.2 033471a367b4c60b7262e64f43f46b02e95b9d74 (Optimized, UBASAN, Clang 21.1.0-20250811) Build 22/08/2025
/test/12.1_opt_san/strings/ctype-ascii.h:110:27: runtime error: applying non-zero offset 4 to null pointer
#0 0x58d6362798e1 in my_strcoll_ascii_4bytes_found /test/12.1_opt_san/strings/ctype-ascii.h:110:27
#1 0x58d6362798e1 in my_strnncoll_utf8mb3_general1400_as_ci /test/12.1_opt_san/strings/strcoll.inl:238:24
#2 0x58d633beb4fb in charset_info_st::strnncoll(st_mysql_const_lex_string, st_mysql_const_lex_string, char) const /test/12.1_opt_san/include/m_ctype.h:1097:12
#3 0x58d633beb4fb in charset_info_st::streq(st_mysql_const_lex_string, st_mysql_const_lex_string) const /test/12.1_opt_san/include/m_ctype.h:1089:17
#4 0x58d633beb4fb in Lex_ident<Compare_ident_ci>::streq(st_mysql_const_lex_string const&) const /test/12.1_opt_san/sql/lex_ident.h:122:38
#5 0x58d633beb4fb in ACL_internal_schema_registry::lookup(char const*) /test/12.1_opt_san/sql/sql_acl.cc:13621:34
#6 0x58d633beba99 in get_cached_schema_access(st_grant_internal_info, char const) /test/12.1_opt_san/sql/sql_acl.cc:13641:9
#7 0x58d633bac58b in get_cached_table_access(st_grant_internal_info, char const, char const*) /test/12.1_opt_san/sql/sql_acl.cc:13664:20
#8 0x58d633baa8df in check_grant(THD, privilege_t, TABLE_LIST, bool, unsigned int, bool) /test/12.1_opt_san/sql/sql_acl.cc:8562:7
#9 0x58d63413bc1e in check_table_access(THD, privilege_t, TABLE_LIST, bool, unsigned int, bool) /test/12.1_opt_san/sql/sql_parse.cc:7025:10
#10 0x58d634166ac5 in execute_show_status(THD, TABLE_LIST) /test/12.1_opt_san/sql/sql_parse.cc:6210:14
#11 0x58d63414d3a3 in mysql_execute_command(THD*, bool) /test/12.1_opt_san/sql/sql_parse.cc:3866:5
#12 0x58d63412fe85 in mysql_parse(THD, char, unsigned int, Parser_state*) /test/12.1_opt_san/sql/sql_parse.cc:7883:18
#13 0x58d634128048 in dispatch_command(enum_server_command, THD, char, unsigned int, bool) /test/12.1_opt_san/sql/sql_parse.cc:1878:7
#14 0x58d634131dc0 in do_command(THD*, bool) /test/12.1_opt_san/sql/sql_parse.cc:1417:17
#15 0x58d63495708c in do_handle_one_connection(CONNECT*, bool) /test/12.1_opt_san/sql/sql_connect.cc:1414:11
#16 0x58d634956ba6 in handle_one_connection /test/12.1_opt_san/sql/sql_connect.cc:1326:5
#17 0x58d6331132ea in asan_thread_start(void*) crtstuff.c
#18 0x7b329829ca93 in start_thread nptl/pthread_create.c:447:8
#19 0x7b3298329c3b in clone3 misc/../sysdeps/unix/sysv/linux/x86_64/clone3.S:78

SUMMARY: UndefinedBehaviorSanitizer: nullptr-with-nonzero-offset /test/12.1_opt_san/strings/ctype-ascii.h:110:27

However, this looks to be MDEV-35717. On older versions we see this new:

ES 10.6.23-18 9b794f34b48fb7eee490b6da44edc0f33a947447 (Optimized, UBASAN, Clang 21.1.0-20250811) Build 23/08/2025
/test/10.6-es_opt_san/strings/ctype-utf8.c:5112:18: runtime error: load of null pointer of type 'const char'
#0 0x5d2cdf8a1f2f in my_strcasecmp_utf8mb3 /test/10.6-es_opt_san/strings/ctype-utf8.c:5112:18
#1 0x5d2cdd3b2f80 in ACL_internal_schema_registry::lookup(char const*) /test/10.6-es_opt_san/sql/sql_acl.cc:13133:9
#2 0x5d2cdd3b3749 in get_cached_schema_access(st_grant_internal_info, char const) /test/10.6-es_opt_san/sql/sql_acl.cc:13154:9
#3 0x5d2cdd37dabb in get_cached_table_access(st_grant_internal_info, char const, char const*) /test/10.6-es_opt_san/sql/sql_acl.cc:13177:20
#4 0x5d2cdd37b3e6 in check_grant(THD, privilege_t, TABLE_LIST, bool, unsigned int, bool) /test/10.6-es_opt_san/sql/sql_acl.cc:8348:7
#5 0x5d2cdd8af2af in check_table_access(THD, privilege_t, TABLE_LIST, bool, unsigned int, bool) /test/10.6-es_opt_san/sql/sql_parse.cc:7342:10
#6 0x5d2cdd8de352 in execute_show_status(THD, TABLE_LIST) /test/10.6-es_opt_san/sql/sql_parse.cc:6493:14
#7 0x5d2cdd8c1b11 in mysql_execute_command(THD*, bool) /test/10.6-es_opt_san/sql/sql_parse.cc:3947:5
#8 0x5d2cdd8a18ef in mysql_parse(THD, char, unsigned int, Parser_state*) /test/10.6-es_opt_san/sql/sql_parse.cc:8229:18
#9 0x5d2cdd899b3e in dispatch_command(enum_server_command, THD, char, unsigned int, bool) /test/10.6-es_opt_san/sql/sql_parse.cc:1915:7
#10 0x5d2cdd8a392e in do_command(THD*, bool) /test/10.6-es_opt_san/sql/sql_parse.cc:1428:17
#11 0x5d2cde07100c in do_handle_one_connection(CONNECT*, bool) /test/10.6-es_opt_san/sql/sql_connect.cc:1386:11
#12 0x5d2cde070b2a in handle_one_connection /test/10.6-es_opt_san/sql/sql_connect.cc:1298:5
#13 0x5d2cdc97993a in asan_thread_start(void*) crtstuff.c
#14 0x705f8b89ca93 in start_thread nptl/pthread_create.c:447:8
#15 0x705f8b929c3b in clone3 misc/../sysdeps/unix/sysv/linux/x86_64/clone3.S:78

SUMMARY: UndefinedBehaviorSanitizer: null-pointer-use /test/10.6-es_opt_san/strings/ctype-utf8.c:5112:18

SAN Bug Detection Matrix
Rel o/d Build Commit UniqueID observed
CS 10.6 dbg 220825 1d84cb272f4bc223b4df05dae9b3669eb506b3bd name != __null\|SIGABRT\|ACL_internal_schema_registry::lookup\|get_cached_schema_access\|get_cached_table_access\|check_grant
CS 10.6 opt 220825 1d84cb272f4bc223b4df05dae9b3669eb506b3bd UBSAN\|load of null pointer of type 'const char'\|strings/ctype-utf8.c\|my_strcasecmp_utf8mb3\|ACL_internal_schema_registry::lookup\|get_cached_schema_access\|get_cached_table_access
CS 10.11 dbg 220825 ba9e8ebdbe903aa6f8b4f388356085dfd2df91a8 name != __null\|SIGABRT\|ACL_internal_schema_registry::lookup\|get_cached_schema_access\|get_cached_table_access\|check_grant
CS 10.11 opt 220825 ba9e8ebdbe903aa6f8b4f388356085dfd2df91a8 UBSAN\|load of null pointer of type 'const char'\|strings/ctype-utf8.c\|my_strcasecmp_utf8mb3\|ACL_internal_schema_registry::lookup\|get_cached_schema_access\|get_cached_table_access
CS 11.4 dbg 220825 03b31c0bd99390c1984f19a19f22dd6e77b7692e name != __null\|SIGABRT\|ACL_internal_schema_registry::lookup\|get_cached_schema_access\|get_cached_table_access\|check_grant
CS 11.4 opt 220825 03b31c0bd99390c1984f19a19f22dd6e77b7692e UBSAN\|load of null pointer of type 'const char'\|strings/ctype-utf8.c\|my_strcasecmp_utf8mb3\|ACL_internal_schema_registry::lookup\|get_cached_schema_access\|get_cached_table_access
CS 11.8 dbg 220825 1a446ccc48528e88a3cd6cd1d1ec9e7492d342ca name != __null\|SIGABRT\|ACL_internal_schema_registry::lookup\|get_cached_schema_access\|get_cached_table_access\|check_grant
CS 11.8 opt 220825 1a446ccc48528e88a3cd6cd1d1ec9e7492d342ca UBSAN\|applying non-zero offset X to null pointer\|strings/ctype-ascii.h\|my_strcoll_ascii_4bytes_found\|my_strnncoll_utf8mb3_general1400_as_ci\|charset_info_st::strnncoll\|charset_info_st::streq
CS 12.1 dbg 220825 033471a367b4c60b7262e64f43f46b02e95b9d74 name != __null\|SIGABRT\|ACL_internal_schema_registry::lookup\|get_cached_schema_access\|get_cached_table_access\|check_grant
CS 12.1 opt 220825 033471a367b4c60b7262e64f43f46b02e95b9d74 UBSAN\|applying non-zero offset X to null pointer\|strings/ctype-ascii.h\|my_strcoll_ascii_4bytes_found\|my_strnncoll_utf8mb3_general1400_as_ci\|charset_info_st::strnncoll\|charset_info_st::streq
CS 12.2 dbg 220825 e02f4d7e311e214ea62ff2e59599849e229f4165 name != __null\|SIGABRT\|ACL_internal_schema_registry::lookup\|get_cached_schema_access\|get_cached_table_access\|check_grant
CS 12.2 opt 220825 e02f4d7e311e214ea62ff2e59599849e229f4165 UBSAN\|applying non-zero offset X to null pointer\|strings/ctype-ascii.h\|my_strcoll_ascii_4bytes_found\|my_strnncoll_utf8mb3_general1400_as_ci\|charset_info_st::strnncoll\|charset_info_st::streq
ES 10.5 dbg 230825 70586522eacf09d04d49962072e14325a75d8155 name != __null\|SIGABRT\|ACL_internal_schema_registry::lookup\|get_cached_schema_access\|get_cached_table_access\|check_grant
ES 10.5 opt 230825 70586522eacf09d04d49962072e14325a75d8155 UBSAN\|load of null pointer of type 'const char'\|strings/ctype-utf8.c\|my_strcasecmp_utf8mb3\|ACL_internal_schema_registry::lookup\|get_cached_schema_access\|get_cached_table_access
ES 10.6 dbg 230825 9b794f34b48fb7eee490b6da44edc0f33a947447 name != __null\|SIGABRT\|ACL_internal_schema_registry::lookup\|get_cached_schema_access\|get_cached_table_access\|check_grant
ES 10.6 opt 230825 9b794f34b48fb7eee490b6da44edc0f33a947447 UBSAN\|load of null pointer of type 'const char'\|strings/ctype-utf8.c\|my_strcasecmp_utf8mb3\|ACL_internal_schema_registry::lookup\|get_cached_schema_access\|get_cached_table_access
ES 11.4 dbg 220825 a1c03ccd54b582e75506687ee19b273ca897f261 name != __null\|SIGABRT\|ACL_internal_schema_registry::lookup\|get_cached_schema_access\|get_cached_table_access\|check_grant
ES 11.4 opt 220825 a1c03ccd54b582e75506687ee19b273ca897f261 UBSAN\|load of null pointer of type 'const char'\|strings/ctype-utf8.c\|my_strcasecmp_utf8mb3\|ACL_internal_schema_registry::lookup\|get_cached_schema_access\|get_cached_table_access
ES 11.8 dbg 220825 4cdf75ab6ba37d4e7e208690785e880ed3176f2f name != __null\|SIGABRT\|ACL_internal_schema_registry::lookup\|get_cached_schema_access\|get_cached_table_access\|check_grant
ES 11.8 opt 220825 4cdf75ab6ba37d4e7e208690785e880ed3176f2f UBSAN\|applying non-zero offset X to null pointer\|strings/ctype-ascii.h\|my_strcoll_ascii_4bytes_found\|my_strnncoll_utf8mb3_general1400_as_ci\|charset_info_st::strnncoll\|charset_info_st::streq

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relates to

MDEV-7971 Assertion `name != __null' failed in ACL_internal_schema_registry::lookup on 2nd execution os PS with multi-table update

Closed

MDEV-25586 SIGSEGV in my_strcasecmp_utf8mb3

Closed

MDEV-35717 UBSAN: runtime errors: applying zero offset to null pointer in my_strnncoll_utf8mb3_general1400_as_ci, and applying non-zero offset 4 to null pointer in my_strcoll_ascii_4bytes_found

Confirmed

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Assignee:: Alexander Barkov

Reporter:: Roel Van de Paar

Votes:: 0 Vote for this issue

Watchers:: 1 Start watching this issue

Dates

Created:: 2025-08-26 11:09

Updated:: 5 days ago 07:52

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