==15851==ERROR: AddressSanitizer: stack-buffer-overflow on address 0x7f58790bc8d0 at pc 0x559a1ea28641 bp 0x7f58790bc840 sp 0x7f58790bc838
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READ of size 1 at 0x7f58790bc8d0 thread T6
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#0 0x559a1ea28640 in my_strnncollsp_simple /data/src/10.1/strings/ctype-simple.c:166
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#1 0x559a1d834758 in sortcmp(String const*, String const*, charset_info_st const*) /data/src/10.1/sql/sql_string.cc:762
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#2 0x559a1dc7ffdd in cmp_item_sort_string::cmp(Item*) /data/src/10.1/sql/item_cmpfunc.h:1321
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#3 0x559a1dc6d319 in Item_func_in::val_int() /data/src/10.1/sql/item_cmpfunc.cc:4444
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#4 0x559a1dbe2cd7 in Item::send(Protocol*, String*) /data/src/10.1/sql/item.cc:6589
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#5 0x559a1d4fd894 in Protocol::send_result_set_row(List<Item>*) /data/src/10.1/sql/protocol.cc:914
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#6 0x559a1d606af5 in select_send::send_data(List<Item>&) /data/src/10.1/sql/sql_class.cc:2844
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#7 0x559a1d7b1ae7 in JOIN::exec_inner() /data/src/10.1/sql/sql_select.cc:2591
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#8 0x559a1d7bae34 in JOIN::exec() /data/src/10.1/sql/sql_select.cc:2512
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#9 0x559a1d7af68d in mysql_select(THD*, Item***, TABLE_LIST*, unsigned int, List<Item>&, Item*, unsigned int, st_order*, st_order*, Item*, st_order*, unsigned long long, select_result*, st_select_lex_unit*, st_select_lex*) /data/src/10.1/sql/sql_select.cc:3449
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#10 0x559a1d7afe7b in handle_select(THD*, LEX*, select_result*, unsigned long) /data/src/10.1/sql/sql_select.cc:384
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#11 0x559a1d6826a8 in execute_sqlcom_select /data/src/10.1/sql/sql_parse.cc:5926
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#12 0x559a1d69bfdb in mysql_execute_command(THD*) /data/src/10.1/sql/sql_parse.cc:2976
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#13 0x559a1d6b3548 in mysql_parse(THD*, char*, unsigned int, Parser_state*) /data/src/10.1/sql/sql_parse.cc:7347
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#14 0x559a1d6b9d49 in dispatch_command(enum_server_command, THD*, char*, unsigned int) /data/src/10.1/sql/sql_parse.cc:1477
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#15 0x559a1d6c02fc in do_command(THD*) /data/src/10.1/sql/sql_parse.cc:1106
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#16 0x559a1d962844 in do_handle_one_connection(THD*) /data/src/10.1/sql/sql_connect.cc:1330
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#17 0x559a1d962d55 in handle_one_connection /data/src/10.1/sql/sql_connect.cc:1242
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#18 0x559a1e2278f6 in pfs_spawn_thread /data/src/10.1/storage/perfschema/pfs.cc:1861
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#19 0x7f5885808493 in start_thread (/lib/x86_64-linux-gnu/libpthread.so.0+0x7493)
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#20 0x7f5883bc193e in __clone (/lib/x86_64-linux-gnu/libc.so.6+0xe893e)
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Address 0x7f58790bc8d0 is located in stack of thread T6 at offset 64 in frame
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#0 0x559a1dc7fdfd in cmp_item_sort_string::cmp(Item*) /data/src/10.1/sql/item_cmpfunc.h:1314
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This frame has 2 object(s):
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[32, 64) 'tmp' <== Memory access at offset 64 overflows this variable
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[96, 176) 'buff'
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HINT: this may be a false positive if your program uses some custom stack unwind mechanism or swapcontext
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(longjmp and C++ exceptions *are* supported)
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Thread T6 created by T0 here:
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#0 0x7f5885a41bba in pthread_create (/usr/lib/x86_64-linux-gnu/libasan.so.1+0x23bba)
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#1 0x559a1e23314d in spawn_thread_v1 /data/src/10.1/storage/perfschema/pfs.cc:1911
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SUMMARY: AddressSanitizer: stack-buffer-overflow /data/src/10.1/strings/ctype-simple.c:166 my_strnncollsp_simple
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Shadow bytes around the buggy address:
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0x0feb8f20f8c0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
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0x0feb8f20f8d0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
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0x0feb8f20f8e0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
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0x0feb8f20f8f0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
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0x0feb8f20f900: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
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=>0x0feb8f20f910: 00 00 f1 f1 f1 f1 00 00 00 00[f2]f2 f2 f2 00 00
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0x0feb8f20f920: 00 00 00 00 00 00 00 00 f4 f4 00 00 00 00 00 00
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0x0feb8f20f930: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
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0x0feb8f20f940: 00 00 00 00 00 00 00 00 f1 f1 f1 f1 00 00 00 00
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0x0feb8f20f950: 00 f4 f4 f4 f3 f3 f3 f3 00 00 00 00 00 00 00 00
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0x0feb8f20f960: 00 00 00 00 00 00 f1 f1 f1 f1 00 00 00 00 f2 f2
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Shadow byte legend (one shadow byte represents 8 application bytes):
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Addressable: 00
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Partially addressable: 01 02 03 04 05 06 07
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Heap left redzone: fa
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Heap right redzone: fb
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Freed heap region: fd
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Stack left redzone: f1
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Stack mid redzone: f2
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Stack right redzone: f3
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Stack partial redzone: f4
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Stack after return: f5
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Stack use after scope: f8
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Global redzone: f9
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Global init order: f6
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Poisoned by user: f7
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Contiguous container OOB:fc
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ASan internal: fe
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==15851==ABORTING
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