thread sanitizerを有効化すると、セグフォが発生する

[atsushi421]

おそらく sanitizer もメモリ関連の命令をフックしており、それが heaphook と競合しているため。
https://star4.slack.com/archives/C07FL8616EM/p1731558213840899

以下はback traceの内容

(gdb) bt
#0  0x0000000000000000 in ?? ()
#1  0x000077a38dc2db22 in __interceptor___tls_get_addr (arg=0x77a38e953d80) at ../../../../src/libsanitizer/tsan/tsan_interceptors_posix.cpp:2554
#2  0x000077a38e9124f6 in malloc () from /lib/libpreloaded.so
#3  0x000077a38e99acca in malloc (size=69) at ../include/rtld-malloc.h:56
#4  __GI__dl_exception_create_format (exception=exception@entry=0x7ffc55b4d200, objname=0x77a38e9951d0 "/lib/x86_64-linux-gnu/libtsan.so.0", fmt=fmt@entry=0x77a38e9c3eb4 "undefined symbol: %s%s%s") at ./elf/dl-exception.c:157
#5  0x000077a38e9a23dc in _dl_lookup_symbol_x (undef_name=0x77a38dcde1bf "__isoc99_printf", undef_map=0x77a38e995200, ref=0x7ffc55b4d278, symbol_scope=<optimized out>, version=0x0, type_class=0, flags=0, skip_map=0x77a38e995200)
    at ./elf/dl-lookup.c:877
#6  0x000077a38cb75954 in do_sym (flags=2, vers=0x0, who=0x77a38dcc4099 <__interception::InterceptFunction(char const*, unsigned long*, unsigned long, unsigned long)+41>, name=0x77a38dcde1bf "__isoc99_printf", handle=<optimized out>)
    at ./elf/dl-sym.c:146
#7  _dl_sym (handle=<optimized out>, name=0x77a38dcde1bf "__isoc99_printf", who=0x77a38dcc4099 <__interception::InterceptFunction(char const*, unsigned long*, unsigned long, unsigned long)+41>) at ./elf/dl-sym.c:195
#8  0x000077a38ca90738 in dlsym_doit (a=a@entry=0x7ffc55b4d4f0) at ./dlfcn/dlsym.c:40
#9  0x000077a38cb74a98 in __GI__dl_catch_exception (exception=exception@entry=0x7ffc55b4d440, operate=<optimized out>, args=<optimized out>) at ./elf/dl-error-skeleton.c:208
#10 0x000077a38cb74b63 in __GI__dl_catch_error (objname=0x7ffc55b4d498, errstring=0x7ffc55b4d4a0, mallocedp=0x7ffc55b4d497, operate=<optimized out>, args=<optimized out>) at ./elf/dl-error-skeleton.c:227
#11 0x000077a38ca9012e in _dlerror_run (operate=operate@entry=0x77a38ca90720 <dlsym_doit>, args=args@entry=0x7ffc55b4d4f0) at ./dlfcn/dlerror.c:138
#12 0x000077a38ca907b4 in dlsym_implementation (dl_caller=<optimized out>, name=0x77a38dcde1bf "__isoc99_printf", handle=<optimized out>) at ./dlfcn/dlsym.c:54
#13 ___dlsym (handle=<optimized out>, name=0x77a38dcde1bf "__isoc99_printf") at ./dlfcn/dlsym.c:68
#14 0x000077a38dcc4099 in __interception::GetFuncAddr (wrapper_addr=131544341809936, name=0x77a38dcde1bf "__isoc99_printf") at ../../../../src/libsanitizer/interception/interception_linux.cpp:42
#15 __interception::InterceptFunction (name=name@entry=0x77a38dcde1bf "__isoc99_printf", ptr_to_real=ptr_to_real@entry=0x77a38dd1d768 <__interception::real___isoc99_printf>, func=func@entry=131544341809936, 
    wrapper=wrapper@entry=131544341809936) at ../../../../src/libsanitizer/interception/interception_linux.cpp:61
#16 0x000077a38dc6f910 in InitializeCommonInterceptors () at ../../../../src/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:10094
#17 __tsan::InitializeInterceptors () at ../../../../src/libsanitizer/tsan/tsan_interceptors_posix.cpp:2645
#18 0x000077a38dc931b3 in __tsan::Initialize (thr=0x77a38cd80fc0) at ../../../../src/libsanitizer/tsan/tsan_rtl.cpp:387
#19 0x000077a38e99c5be in _dl_init (main_map=0x77a38e9d12e0, argc=6, argv=0x7ffc55b4d668, env=0x7ffc55b4d6a0) at ./elf/dl-init.c:102
#20 0x000077a38e9b62ca in _dl_start_user () from /lib64/ld-linux-x86-64.so.2
#21 0x0000000000000006 in ?? ()
#22 0x00007ffc55b4eb00 in ?? ()
#23 0x00007ffc55b4eb72 in ?? ()
#24 0x00007ffc55b4eb7d in ?? ()
#25 0x00007ffc55b4eb80 in ?? ()
#26 0x00007ffc55b4eb9b in ?? ()
#27 0x00007ffc55b4eb9e in ?? ()
#28 0x0000000000000000 in ?? ()