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Spurious "syntax error in VERSION script" when linking the sanitizers on dist-x86_64-linux-alt #50887

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kennytm opened this issue May 19, 2018 · 10 comments
Closed

Spurious "syntax error in VERSION script" when linking the sanitizers on dist-x86_64-linux-alt #50887

kennytm opened this issue May 19, 2018 · 10 comments
Labels
A-sanitizers Area: Sanitizers for correctness and code quality A-spurious Area: Spurious failures in builds (spuriously == for no apparent reason) C-tracking-issue Category: An issue tracking the progress of sth. like the implementation of an RFC T-bootstrap Relevant to the bootstrap subteam: Rust's build system (x.py and src/bootstrap)

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@kennytm
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kennytm commented May 19, 2018

Symptom:

The dist-x86_64-linux-alt job failed when running the build script for rustc_asan in the stage1-std phase.

Sample of the log 
[00:30:15] travis_fold:start:stage1-std
travis_time:start:stage1-std
Building stage1 std artifacts (x86_64-unknown-linux-gnu -> x86_64-unknown-linux-gnu)
[00:30:15]    Compiling cc v1.0.15
[00:30:15]    Compiling core v0.0.0 (file:///checkout/src/libcore)
[00:30:15]    Compiling build_helper v0.1.0 (file:///checkout/src/build_helper)
[00:30:15]    Compiling unwind v0.0.0 (file:///checkout/src/libunwind)
[00:30:19]    Compiling std v0.0.0 (file:///checkout/src/libstd)
[00:30:23]    Compiling compiler_builtins v0.0.0 (file:///checkout/src/rustc/compiler_builtins_shim)
[00:30:23]    Compiling cmake v0.1.30
[00:30:23]    Compiling alloc_jemalloc v0.0.0 (file:///checkout/src/liballoc_jemalloc)
[00:30:28]    Compiling profiler_builtins v0.0.0 (file:///checkout/src/libprofiler_builtins)
[00:30:28]    Compiling rustc_asan v0.0.0 (file:///checkout/src/librustc_asan)
[00:30:28]    Compiling rustc_msan v0.0.0 (file:///checkout/src/librustc_msan)
[00:30:29]    Compiling rustc_lsan v0.0.0 (file:///checkout/src/librustc_lsan)
[00:30:30]    Compiling rustc_tsan v0.0.0 (file:///checkout/src/librustc_tsan)
[00:30:38] warning: ../libcompiler_builtins/compiler-rt/lib/profile/InstrProfilingMerge.c:86:48: warning: unused parameter 'ProfileSize' [-Wunused-parameter]
[00:30:38] warning:                                       uint64_t ProfileSize) {
[00:30:38] warning:                                                ^
[00:30:38] warning: 1 warning generated.
[00:30:38] warning: ../libcompiler_builtins/compiler-rt/lib/profile/InstrProfilingUtil.c:119:3: warning: implicit declaration of function 'flock' is invalid in C99 [-Wimplicit-function-declaration]
[00:30:38] warning:   flock(fd, LOCK_EX);
[00:30:38] warning:   ^
[00:30:38] warning: ../libcompiler_builtins/compiler-rt/lib/profile/InstrProfilingUtil.c:144:3: warning: implicit declaration of function 'flock' is invalid in C99 [-Wimplicit-function-declaration]
[00:30:38] warning:   flock(fd, LOCK_UN);
[00:30:38] warning:   ^
[00:30:38] warning: 2 warnings generated.
[00:30:38] warning: ../libcompiler_builtins/compiler-rt/lib/profile/InstrProfilingValue.c:108:60: warning: unused parameter 'Data' [-Wunused-parameter]
[00:30:38] warning: static ValueProfNode *allocateOneNode(__llvm_profile_data *Data, uint32_t Index,
[00:30:38] warning:                                                            ^
[00:30:38] warning: ../libcompiler_builtins/compiler-rt/lib/profile/InstrProfilingValue.c:108:75: warning: unused parameter 'Index' [-Wunused-parameter]
[00:30:38] warning: static ValueProfNode *allocateOneNode(__llvm_profile_data *Data, uint32_t Index,
[00:30:38] warning:                                                                           ^
[00:30:38] warning: ../libcompiler_builtins/compiler-rt/lib/profile/InstrProfilingValue.c:109:48: warning: unused parameter 'Value' [-Wunused-parameter]
[00:30:38] warning:                                       uint64_t Value) {
[00:30:38] warning:                                                ^
[00:30:38] warning: 3 warnings generated.
[00:31:40] error: failed to run custom build command for `rustc_asan v0.0.0 (file:///checkout/src/librustc_asan)`
[00:31:40] process didn't exit successfully: `/checkout/obj/build/x86_64-unknown-linux-gnu/stage1-std/release/build/rustc_asan-e947cddfbde6b9fa/build-script-build` (exit code: 101)
[00:31:40] --- stdout
[00:31:40] cargo:rerun-if-changed=/checkout/src/librustc_asan/../libcompiler_builtins/compiler-rt/CODE_OWNERS.TXT
[00:31:40] cargo:rerun-if-changed=/checkout/src/librustc_asan/../libcompiler_builtins/compiler-rt/CREDITS.TXT
...
<snip>
...
[00:31:42] cargo:rerun-if-changed=/checkout/src/librustc_asan/../libcompiler_builtins/compiler-rt/www/content.css
[00:31:42] cargo:rerun-if-changed=/checkout/src/librustc_asan/../libcompiler_builtins/compiler-rt/www/index.html
[00:31:42] cargo:rustc-link-lib=static=clang_rt.asan-x86_64
[00:31:42] cargo:rustc-link-search=native=/checkout/obj/build/x86_64-unknown-linux-gnu/native/asan/build/lib/linux
[00:31:42] running: "cmake" "/checkout/src/librustc_asan/../libcompiler_builtins/compiler-rt" "-DCOMPILER_RT_BUILD_SANITIZERS=ON" "-DCOMPILER_RT_BUILD_BUILTINS=OFF" "-DCOMPILER_RT_BUILD_XRAY=OFF" "-DLLVM_CONFIG_PATH=/checkout/obj/build/x86_64-unknown-linux-gnu/llvm/build/bin/llvm-config" "-DCMAKE_INSTALL_PREFIX=/checkout/obj/build/x86_64-unknown-linux-gnu/native/asan" "-DCMAKE_C_FLAGS= -ffunction-sections -fdata-sections -fPIC -ffunction-sections -fdata-sections -fPIC --target=x86_64-unknown-linux-gnu --target=x86_64-unknown-linux-gnu" "-DCMAKE_C_COMPILER=/rustroot/bin/clang" "-DCMAKE_CXX_FLAGS= -ffunction-sections -fdata-sections -fPIC -ffunction-sections -fdata-sections -fPIC --target=x86_64-unknown-linux-gnu --target=x86_64-unknown-linux-gnu" "-DCMAKE_CXX_COMPILER=/rustroot/bin/clang++" "-DCMAKE_BUILD_TYPE=Release"
[00:31:42] -- The C compiler identification is Clang 6.0.0
[00:31:42] -- The CXX compiler identification is Clang 6.0.0
...
<snip>
...
[00:31:42] -- Performing Test HAS_THREAD_LOCAL
[00:31:42] -- Performing Test HAS_THREAD_LOCAL - Success
[00:31:42] -- Configuring done
[00:31:42] -- Generating done
[00:31:42] -- Build files have been written to: /checkout/obj/build/x86_64-unknown-linux-gnu/native/asan/build
[00:31:42] running: "cmake" "--build" "." "--target" "asan" "--config" "Release" "--"
[00:31:42] Scanning dependencies of target RTAsan_preinit.x86_64
[00:31:42] [  0%] Building CXX object lib/asan/CMakeFiles/RTAsan_preinit.x86_64.dir/asan_preinit.cc.o
[00:31:42] [  0%] Built target RTAsan_preinit.x86_64
[00:31:42] Scanning dependencies of target RTSanitizerCommon.x86_64
[00:31:42] [  0%] Building CXX object lib/sanitizer_common/CMakeFiles/RTSanitizerCommon.x86_64.dir/sanitizer_allocator.cc.o
[00:31:42] [  0%] Building CXX object lib/sanitizer_common/CMakeFiles/RTSanitizerCommon.x86_64.dir/sanitizer_common.cc.o
...
<snip>
...
[00:31:43] Scanning dependencies of target RTAsan_dynamic_version_script_dummy.x86_64
[00:31:43] [100%] Building CXX object lib/asan/CMakeFiles/RTAsan_dynamic_version_script_dummy.x86_64.dir/dummy.cc.o
[00:31:43] [100%] Built target RTAsan_dynamic_version_script_dummy.x86_64
[00:31:43]
[00:31:43] --- stderr
[00:31:43] /rustroot/bin/ld:/checkout/obj/build/x86_64-unknown-linux-gnu/native/asan/build/lib/asan/clang_rt.asan-dynamic-i386.vers:1399: syntax error in VERSION script
[00:31:43] clang-6.0: error: linker command failed with exit code 1 (use -v to see invocation)
[00:31:43] gmake[3]: *** [lib/linux/libclang_rt.asan-i386.so] Error 1
[00:31:43] gmake[2]: *** [lib/asan/CMakeFiles/clang_rt.asan-dynamic-i386.dir/all] Error 2
[00:31:43] gmake[2]: *** Waiting for unfinished jobs....
[00:31:43] gmake[1]: *** [lib/asan/CMakeFiles/asan.dir/rule] Error 2
[00:31:43] gmake: *** [asan] Error 2
[00:31:43] thread 'main' panicked at '
[00:31:43] command did not execute successfully, got: exit code: 2
[00:31:43]
[00:31:43] build script failed, must exit now', /cargo/registry/src/gh.neting.cc-1ecc6299db9ec823/cmake-0.1.30/src/lib.rs:643:5
[00:31:43] note: Run with `RUST_BACKTRACE=1` for a backtrace.

Previous instances:
@kennytm kennytm added T-bootstrap Relevant to the bootstrap subteam: Rust's build system (x.py and src/bootstrap) A-spurious Area: Spurious failures in builds (spuriously == for no apparent reason) A-sanitizers Area: Sanitizers for correctness and code quality C-tracking-issue Category: An issue tracking the progress of sth. like the implementation of an RFC labels May 19, 2018
This was referenced May 19, 2018
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@alexcrichton
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I wonder if this is something like a concurrency related bug in clang? Like maybe a linker script is generated into a temporary location and just happens to collide, causing this to fail sometimes and succeed other times?

Other than that though I have no idea :(

@kennytm
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kennytm commented May 22, 2018

For reference, the code related to the VERSION script:

  1. The invocation: https://github.com/rust-lang/compiler-rt/blob/54d95ca0bd603c322601a61255898e2b8d2a3cae/lib/asan/CMakeLists.txt#L173-L177

  2. The cmake macro: https://github.com/rust-lang/compiler-rt/blob/54d95ca0bd603c322601a61255898e2b8d2a3cae/cmake/Modules/SanitizerUtils.cmake#L60-L81

  3. The Python script generating the file: https://github.com/rust-lang/compiler-rt/blob/54d95ca0bd603c322601a61255898e2b8d2a3cae/lib/sanitizer_common/scripts/gen_dynamic_list.py

@alexcrichton
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Hm looking again, on the x86_64 builder we shouldn't even be building i386 versions of the library, so we can probably also just stop building those versions and that may fix it

@kennytm kennytm mentioned this issue May 29, 2018
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@kennytm
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kennytm commented Jun 9, 2018

The content of the *.vers file should look like:

{
global:
  _ZdaPv;
  _ZdaPvRKSt9nothrow_t;
  _ZdaPvSt11align_val_t;
  _ZdaPvSt11align_val_tRKSt9nothrow_t;
  _ZdaPvj;
  _ZdaPvjSt11align_val_t;
  _ZdlPv;
  _ZdlPvRKSt9nothrow_t;
  _ZdlPvSt11align_val_t;
  _ZdlPvSt11align_val_tRKSt9nothrow_t;
  _ZdlPvj;
  _ZdlPvjSt11align_val_t;
  _Znaj;
  _ZnajRKSt9nothrow_t;
  _ZnajSt11align_val_t;
  _ZnajSt11align_val_tRKSt9nothrow_t;
  _Znwj;
  _ZnwjRKSt9nothrow_t;
  _ZnwjSt11align_val_t;
  _ZnwjSt11align_val_tRKSt9nothrow_t;
  __asan_*;
  __cxa_atexit;
  __cxa_throw;
  __fprintf_chk;
  __getdelim;
  __interceptor___cxa_atexit;
  __interceptor___cxa_throw;
  __interceptor___fprintf_chk;
...
<snip>
...
  xdr_u_quad_t;
  xdr_u_short;
  xdr_uint16_t;
  xdr_uint32_t;
  xdr_uint64_t;
  xdr_uint8_t;
  xdrmem_create;
  xdrstdio_create;
local:
  *;
};

@kennytm kennytm mentioned this issue Jun 9, 2018
Merged
kennytm added a commit to kennytm/rust that referenced this issue Jun 9, 2018
@kennytm
Log the clang_rt.asan-dynamic-i386.vers on failure to track rust-lang…
4a0e92e 
…#50887
bors added a commit that referenced this issue Jun 9, 2018
@bors
Auto merge of #51459 - kennytm:dist-at-stage-0, r=Mark-Simulacrum
2a00629 
Miscellaneous changes to rustbuild and CI.

1. Don't build LLVM when running rust-installer.
2. If toolstate is unchanged, don't push a commit to the toolstate repo.
3. Allow `./x.py build src/librustc_codegen_llvm`
4. Added log to track #50887.
@kennytm kennytm mentioned this issue Jun 10, 2018
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@kennytm
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kennytm commented Jun 10, 2018 •
edited
Loading

The first 30 lines of the version script in #50205 are:

{
global:
  _ZdaPv;
  _ZdaPvRKSt9nothrow_t;
  _ZdaPvSt11align_val_t;
  _ZdaPvSt11align_val_tRKSt9nothrow_t;
  _ZdaPvj;
  _ZdaPvjSt11align_val_t;
  _ZdlPv;
  _ZdlPvRKSt9nothrow_t;
  _ZdlPvSt11align_val_t;
  _ZdlPvSt11align_val_tRKSt9nothrow_t;
  _ZdlPvj;
  _ZdlPvjSt11align_val_t;
  _Znaj;
  _ZnajRKSt9nothrow_t;
  _ZnajSt11align_val_t;
  _ZnajSt11align_val_tRKSt9nothrow_t;
  _Znwj;
  _ZnwjRKSt9nothrow_t;
  _ZnwjSt11align_val_t;
  _ZnwjSt11align_val_tRKSt9nothrow_t;
  __asan_*;
  __cxa_atexit;
  __cxa_throw;
  __fprintf_chk;
  __getdelim;
  __interceptor___cxa_atexit;
  __interceptor___cxa_throw;
  __interceptor___fprintf_chk;

It doesn't look like there's syntax error at line 1 🤔

@kennytm kennytm mentioned this issue Jun 11, 2018
Closed
This was referenced Jun 25, 2018
Merged
Merged
This was referenced Jul 2, 2018
Merged
Merged
@pietroalbini pietroalbini mentioned this issue Jul 13, 2018
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@kennytm
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kennytm commented Jul 14, 2018

We've got the complete file content in #52326 (comment). It does not looks like anything corrupted?

{
global:
  _Unwind_RaiseException;
  _ZdaPv;
  _ZdaPvRKSt9nothrow_t;
  _ZdaPvSt11align_val_t;
  _ZdaPvSt11align_val_tRKSt9nothrow_t;
  _ZdaPvj;
  _ZdaPvjSt11align_val_t;
  _ZdlPv;
  _ZdlPvRKSt9nothrow_t;
  _ZdlPvSt11align_val_t;
  _ZdlPvSt11align_val_tRKSt9nothrow_t;
  _ZdlPvj;
  _ZdlPvjSt11align_val_t;
  _Znaj;
  _ZnajRKSt9nothrow_t;
  _ZnajSt11align_val_t;
  _ZnajSt11align_val_tRKSt9nothrow_t;
  _Znwj;
  _ZnwjRKSt9nothrow_t;
  _ZnwjSt11align_val_t;
  _ZnwjSt11align_val_tRKSt9nothrow_t;
  __asan_*;
  __cxa_atexit;
  __cxa_rethrow_primary_exception;
  __cxa_throw;
  __fprintf_chk;
  __getdelim;
  __interceptor__Unwind_RaiseException;
  __interceptor___cxa_atexit;
  __interceptor___cxa_rethrow_primary_exception;
  __interceptor___cxa_throw;
  __interceptor___fprintf_chk;
  __interceptor___getdelim;
  __interceptor___isoc99_fprintf;
  __interceptor___isoc99_fscanf;
  __interceptor___isoc99_printf;
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  __interceptor_preadv;
  __interceptor_preadv64;
  __interceptor_printf;
  __interceptor_process_vm_readv;
  __interceptor_process_vm_writev;
  __interceptor_pthread_attr_getaffinity_np;
  __interceptor_pthread_attr_getdetachstate;
  __interceptor_pthread_attr_getguardsize;
  __interceptor_pthread_attr_getinheritsched;
  __interceptor_pthread_attr_getschedparam;
  __interceptor_pthread_attr_getschedpolicy;
  __interceptor_pthread_attr_getscope;
  __interceptor_pthread_attr_getstack;
  __interceptor_pthread_attr_getstacksize;
  __interceptor_pthread_barrierattr_getpshared;
  __interceptor_pthread_condattr_getclock;
  __interceptor_pthread_condattr_getpshared;
  __interceptor_pthread_create;
  __interceptor_pthread_getname_np;
  __interceptor_pthread_getschedparam;
  __interceptor_pthread_join;
  __interceptor_pthread_mutex_lock;
  __interceptor_pthread_mutex_unlock;
  __interceptor_pthread_mutexattr_getprioceiling;
  __interceptor_pthread_mutexattr_getprotocol;
  __interceptor_pthread_mutexattr_getpshared;
  __interceptor_pthread_mutexattr_getrobust;
  __interceptor_pthread_mutexattr_getrobust_np;
  __interceptor_pthread_mutexattr_gettype;
  __interceptor_pthread_rwlockattr_getkind_np;
  __interceptor_pthread_rwlockattr_getpshared;
  __interceptor_pthread_setcancelstate;
  __interceptor_pthread_setcanceltype;
  __interceptor_pthread_setname_np;
  __interceptor_ptrace;
  __interceptor_puts;
  __interceptor_pvalloc;
  __interceptor_pwrite;
  __interceptor_pwrite64;
  __interceptor_pwritev;
  __interceptor_pwritev64;
  __interceptor_rand_r;
  __interceptor_random_r;
  __interceptor_read;
  __interceptor_readdir;
  __interceptor_readdir64;
  __interceptor_readdir64_r;
  __interceptor_readdir_r;
  __interceptor_readlink;
  __interceptor_readlinkat;
  __interceptor_readv;
  __interceptor_realloc;
  __interceptor_realpath;
  __interceptor_recv;
  __interceptor_recvfrom;
  __interceptor_recvmmsg;
  __interceptor_recvmsg;
  __interceptor_remquo;
  __interceptor_remquof;
  __interceptor_remquol;
  __interceptor_scandir;
  __interceptor_scandir64;
  __interceptor_scanf;
  __interceptor_sched_getaffinity;
  __interceptor_sched_getparam;
  __interceptor_sem_destroy;
  __interceptor_sem_getvalue;
  __interceptor_sem_init;
  __interceptor_sem_post;
  __interceptor_sem_timedwait;
  __interceptor_sem_trywait;
  __interceptor_sem_wait;
  __interceptor_send;
  __interceptor_sendmmsg;
  __interceptor_sendmsg;
  __interceptor_sendto;
  __interceptor_setgrent;
  __interceptor_setitimer;
  __interceptor_setlocale;
  __interceptor_setpwent;
  __interceptor_sigaction;
  __interceptor_sigemptyset;
  __interceptor_sigfillset;
  __interceptor_siglongjmp;
  __interceptor_signal;
  __interceptor_sigpending;
  __interceptor_sigprocmask;
  __interceptor_sigtimedwait;
  __interceptor_sigwait;
  __interceptor_sigwaitinfo;
  __interceptor_sincos;
  __interceptor_sincosf;
  __interceptor_sincosl;
  __interceptor_snprintf;
  __interceptor_sprintf;
  __interceptor_sscanf;
  __interceptor_statfs;
  __interceptor_statfs64;
  __interceptor_statvfs;
  __interceptor_statvfs64;
  __interceptor_strcasecmp;
  __interceptor_strcasestr;
  __interceptor_strcat;
  __interceptor_strchr;
  __interceptor_strchrnul;
  __interceptor_strcmp;
  __interceptor_strcpy;
  __interceptor_strcspn;
  __interceptor_strdup;
  __interceptor_strerror;
  __interceptor_strerror_r;
  __interceptor_strlen;
  __interceptor_strncasecmp;
  __interceptor_strncat;
  __interceptor_strncmp;
  __interceptor_strncpy;
  __interceptor_strndup;
  __interceptor_strnlen;
  __interceptor_strpbrk;
  __interceptor_strptime;
  __interceptor_strrchr;
  __interceptor_strspn;
  __interceptor_strstr;
  __interceptor_strtoimax;
  __interceptor_strtok;
  __interceptor_strtol;
  __interceptor_strtoll;
  __interceptor_strtoumax;
  __interceptor_strxfrm;
  __interceptor_strxfrm_l;
  __interceptor_swapcontext;
  __interceptor_sysinfo;
  __interceptor_tcgetattr;
  __interceptor_tempnam;
  __interceptor_textdomain;
  __interceptor_time;
  __interceptor_timerfd_gettime;
  __interceptor_timerfd_settime;
  __interceptor_times;
  __interceptor_tmpnam;
  __interceptor_tmpnam_r;
  __interceptor_tsearch;
  __interceptor_ttyname_r;
  __interceptor_valloc;
  __interceptor_vasprintf;
  __interceptor_vfprintf;
  __interceptor_vfscanf;
  __interceptor_vprintf;
  __interceptor_vscanf;
  __interceptor_vsnprintf;
  __interceptor_vsprintf;
  __interceptor_vsscanf;
  __interceptor_wait;
  __interceptor_wait3;
  __interceptor_wait4;
  __interceptor_waitid;
  __interceptor_waitpid;
  __interceptor_wcrtomb;
  __interceptor_wcscat;
  __interceptor_wcslen;
  __interceptor_wcsncat;
  __interceptor_wcsnlen;
  __interceptor_wcsnrtombs;
  __interceptor_wcsrtombs;
  __interceptor_wcstombs;
  __interceptor_wcsxfrm;
  __interceptor_wcsxfrm_l;
  __interceptor_wordexp;
  __interceptor_write;
  __interceptor_writev;
  __interceptor_xdr_bool;
  __interceptor_xdr_bytes;
  __interceptor_xdr_char;
  __interceptor_xdr_double;
  __interceptor_xdr_enum;
  __interceptor_xdr_float;
  __interceptor_xdr_hyper;
  __interceptor_xdr_int;
  __interceptor_xdr_int16_t;
  __interceptor_xdr_int32_t;
  __interceptor_xdr_int64_t;
  __interceptor_xdr_int8_t;
  __interceptor_xdr_long;
  __interceptor_xdr_longlong_t;
  __interceptor_xdr_quad_t;
  __interceptor_xdr_short;
  __interceptor_xdr_string;
  __interceptor_xdr_u_char;
  __interceptor_xdr_u_hyper;
  __interceptor_xdr_u_int;
  __interceptor_xdr_u_long;
  __interceptor_xdr_u_longlong_t;
  __interceptor_xdr_u_quad_t;
  __interceptor_xdr_u_short;
  __interceptor_xdr_uint16_t;
  __interceptor_xdr_uint32_t;
  __interceptor_xdr_uint64_t;
  __interceptor_xdr_uint8_t;
  __interceptor_xdrmem_create;
  __interceptor_xdrstdio_create;
  __isoc99_fprintf;
  __isoc99_fscanf;
  __isoc99_printf;
  __isoc99_scanf;
  __isoc99_snprintf;
  __isoc99_sprintf;
  __isoc99_sscanf;
  __isoc99_vfprintf;
  __isoc99_vfscanf;
  __isoc99_vprintf;
  __isoc99_vscanf;
  __isoc99_vsnprintf;
  __isoc99_vsprintf;
  __isoc99_vsscanf;
  __libc_memalign;
  __longjmp_chk;
  __lsan_*;
  __lxstat;
  __lxstat64;
  __overflow;
  __pthread_mutex_lock;
  __pthread_mutex_unlock;
  __sancov_*;
  __sanitizer_acquire_crash_state;
  __sanitizer_annotate_contiguous_container;
  __sanitizer_contiguous_container_find_bad_address;
  __sanitizer_cov_8bit_counters_init;
  __sanitizer_cov_dump;
  __sanitizer_cov_pcs_init;
  __sanitizer_cov_reset;
  __sanitizer_cov_trace_cmp;
  __sanitizer_cov_trace_cmp1;
  __sanitizer_cov_trace_cmp2;
  __sanitizer_cov_trace_cmp4;
  __sanitizer_cov_trace_cmp8;
  __sanitizer_cov_trace_const_cmp1;
  __sanitizer_cov_trace_const_cmp2;
  __sanitizer_cov_trace_const_cmp4;
  __sanitizer_cov_trace_const_cmp8;
  __sanitizer_cov_trace_div4;
  __sanitizer_cov_trace_div8;
  __sanitizer_cov_trace_gep;
  __sanitizer_cov_trace_pc_guard;
  __sanitizer_cov_trace_pc_guard_init;
  __sanitizer_cov_trace_pc_indir;
  __sanitizer_cov_trace_switch;
  __sanitizer_dump_coverage;
  __sanitizer_dump_trace_pc_guard_coverage;
  __sanitizer_finish_switch_fiber;
  __sanitizer_get_allocated_size;
  __sanitizer_get_current_allocated_bytes;
  __sanitizer_get_estimated_allocated_size;
  __sanitizer_get_free_bytes;
  __sanitizer_get_heap_size;
  __sanitizer_get_module_and_offset_for_pc;
  __sanitizer_get_ownership;
  __sanitizer_get_unmapped_bytes;
  __sanitizer_install_malloc_and_free_hooks;
  __sanitizer_print_memory_profile;
  __sanitizer_print_stack_trace;
  __sanitizer_ptr_cmp;
  __sanitizer_ptr_sub;
  __sanitizer_purge_allocator;
  __sanitizer_report_error_summary;
  __sanitizer_sandbox_on_notify;
  __sanitizer_set_death_callback;
  __sanitizer_set_report_fd;
  __sanitizer_set_report_path;
  __sanitizer_start_switch_fiber;
  __sanitizer_symbolize_global;
  __sanitizer_symbolize_pc;
  __sanitizer_syscall_post_impl_accept;
  __sanitizer_syscall_post_impl_accept4;
  __sanitizer_syscall_post_impl_access;
  __sanitizer_syscall_post_impl_acct;
  __sanitizer_syscall_post_impl_add_key;
  __sanitizer_syscall_post_impl_adjtimex;
  __sanitizer_syscall_post_impl_alarm;
  __sanitizer_syscall_post_impl_bdflush;
  __sanitizer_syscall_post_impl_bind;
  __sanitizer_syscall_post_impl_brk;
  __sanitizer_syscall_post_impl_capget;
  __sanitizer_syscall_post_impl_capset;
  __sanitizer_syscall_post_impl_chdir;
  __sanitizer_syscall_post_impl_chmod;
  __sanitizer_syscall_post_impl_chown;
  __sanitizer_syscall_post_impl_chroot;
  __sanitizer_syscall_post_impl_clock_adjtime;
  __sanitizer_syscall_post_impl_clock_getres;
  __sanitizer_syscall_post_impl_clock_gettime;
  __sanitizer_syscall_post_impl_clock_nanosleep;
  __sanitizer_syscall_post_impl_clock_settime;
  __sanitizer_syscall_post_impl_close;
  __sanitizer_syscall_post_impl_connect;
  __sanitizer_syscall_post_impl_creat;
  __sanitizer_syscall_post_impl_delete_module;
  __sanitizer_syscall_post_impl_dup;
  __sanitizer_syscall_post_impl_dup2;
  __sanitizer_syscall_post_impl_dup3;
  __sanitizer_syscall_post_impl_epoll_create;
  __sanitizer_syscall_post_impl_epoll_create1;
  __sanitizer_syscall_post_impl_epoll_ctl;
  __sanitizer_syscall_post_impl_epoll_pwait;
  __sanitizer_syscall_post_impl_epoll_wait;
  __sanitizer_syscall_post_impl_eventfd;
  __sanitizer_syscall_post_impl_eventfd2;
  __sanitizer_syscall_post_impl_exit;
  __sanitizer_syscall_post_impl_exit_group;
  __sanitizer_syscall_post_impl_faccessat;
  __sanitizer_syscall_post_impl_fchdir;
  __sanitizer_syscall_post_impl_fchmod;
  __sanitizer_syscall_post_impl_fchmodat;
  __sanitizer_syscall_post_impl_fchown;
  __sanitizer_syscall_post_impl_fchownat;
  __sanitizer_syscall_post_impl_fcntl;
  __sanitizer_syscall_post_impl_fcntl64;
  __sanitizer_syscall_post_impl_fdatasync;
  __sanitizer_syscall_post_impl_fgetxattr;
  __sanitizer_syscall_post_impl_flistxattr;
  __sanitizer_syscall_post_impl_flock;
  __sanitizer_syscall_post_impl_fork;
  __sanitizer_syscall_post_impl_fremovexattr;
  __sanitizer_syscall_post_impl_fsetxattr;
  __sanitizer_syscall_post_impl_fstat;
  __sanitizer_syscall_post_impl_fstat64;
  __sanitizer_syscall_post_impl_fstatat64;
  __sanitizer_syscall_post_impl_fstatfs;
  __sanitizer_syscall_post_impl_fstatfs64;
  __sanitizer_syscall_post_impl_fsync;
  __sanitizer_syscall_post_impl_ftruncate;
  __sanitizer_syscall_post_impl_futimesat;
  __sanitizer_syscall_post_impl_get_mempolicy;
  __sanitizer_syscall_post_impl_get_robust_list;
  __sanitizer_syscall_post_impl_getcpu;
  __sanitizer_syscall_post_impl_getcwd;
  __sanitizer_syscall_post_impl_getdents;
  __sanitizer_syscall_post_impl_getdents64;
  __sanitizer_syscall_post_impl_getegid;
  __sanitizer_syscall_post_impl_geteuid;
  __sanitizer_syscall_post_impl_getgid;
  __sanitizer_syscall_post_impl_getgroups;
  __sanitizer_syscall_post_impl_gethostname;
  __sanitizer_syscall_post_impl_getitimer;
  __sanitizer_syscall_post_impl_getpeername;
  __sanitizer_syscall_post_impl_getpgid;
  __sanitizer_syscall_post_impl_getpgrp;
  __sanitizer_syscall_post_impl_getpid;
  __sanitizer_syscall_post_impl_getppid;
  __sanitizer_syscall_post_impl_getpriority;
  __sanitizer_syscall_post_impl_getresgid;
  __sanitizer_syscall_post_impl_getresuid;
  __sanitizer_syscall_post_impl_getrlimit;
  __sanitizer_syscall_post_impl_getrusage;
  __sanitizer_syscall_post_impl_getsid;
  __sanitizer_syscall_post_impl_getsockname;
  __sanitizer_syscall_post_impl_getsockopt;
  __sanitizer_syscall_post_impl_gettid;
  __sanitizer_syscall_post_impl_gettimeofday;
  __sanitizer_syscall_post_impl_getuid;
  __sanitizer_syscall_post_impl_getxattr;
  __sanitizer_syscall_post_impl_init_module;
  __sanitizer_syscall_post_impl_inotify_add_watch;
  __sanitizer_syscall_post_impl_inotify_init;
  __sanitizer_syscall_post_impl_inotify_init1;
  __sanitizer_syscall_post_impl_inotify_rm_watch;
  __sanitizer_syscall_post_impl_io_cancel;
  __sanitizer_syscall_post_impl_io_destroy;
  __sanitizer_syscall_post_impl_io_getevents;
  __sanitizer_syscall_post_impl_io_setup;
  __sanitizer_syscall_post_impl_io_submit;
  __sanitizer_syscall_post_impl_ioctl;
  __sanitizer_syscall_post_impl_ioperm;
  __sanitizer_syscall_post_impl_ioprio_get;
  __sanitizer_syscall_post_impl_ioprio_set;
  __sanitizer_syscall_post_impl_ipc;
  __sanitizer_syscall_post_impl_kexec_load;
  __sanitizer_syscall_post_impl_keyctl;
  __sanitizer_syscall_post_impl_kill;
  __sanitizer_syscall_post_impl_lchown;
  __sanitizer_syscall_post_impl_lgetxattr;
  __sanitizer_syscall_post_impl_link;
  __sanitizer_syscall_post_impl_linkat;
  __sanitizer_syscall_post_impl_listen;
  __sanitizer_syscall_post_impl_listxattr;
  __sanitizer_syscall_post_impl_llistxattr;
  __sanitizer_syscall_post_impl_llseek;
  __sanitizer_syscall_post_impl_lookup_dcookie;
  __sanitizer_syscall_post_impl_lremovexattr;
  __sanitizer_syscall_post_impl_lseek;
  __sanitizer_syscall_post_impl_lsetxattr;
  __sanitizer_syscall_post_impl_lstat;
  __sanitizer_syscall_post_impl_lstat64;
  __sanitizer_syscall_post_impl_madvise;
  __sanitizer_syscall_post_impl_mbind;
  __sanitizer_syscall_post_impl_migrate_pages;
  __sanitizer_syscall_post_impl_mincore;
  __sanitizer_syscall_post_impl_mkdir;
  __sanitizer_syscall_post_impl_mkdirat;
  __sanitizer_syscall_post_impl_mknod;
  __sanitizer_syscall_post_impl_mknodat;
  __sanitizer_syscall_post_impl_mlock;
  __sanitizer_syscall_post_impl_mlockall;
  __sanitizer_syscall_post_impl_mmap_pgoff;
  __sanitizer_syscall_post_impl_mount;
  __sanitizer_syscall_post_impl_move_pages;
  __sanitizer_syscall_post_impl_mprotect;
  __sanitizer_syscall_post_impl_mq_getsetattr;
  __sanitizer_syscall_post_impl_mq_notify;
  __sanitizer_syscall_post_impl_mq_open;
  __sanitizer_syscall_post_impl_mq_timedreceive;
  __sanitizer_syscall_post_impl_mq_timedsend;
  __sanitizer_syscall_post_impl_mq_unlink;
  __sanitizer_syscall_post_impl_mremap;
  __sanitizer_syscall_post_impl_msgctl;
  __sanitizer_syscall_post_impl_msgget;
  __sanitizer_syscall_post_impl_msgrcv;
  __sanitizer_syscall_post_impl_msgsnd;
  __sanitizer_syscall_post_impl_msync;
  __sanitizer_syscall_post_impl_munlock;
  __sanitizer_syscall_post_impl_munlockall;
  __sanitizer_syscall_post_impl_munmap;
  __sanitizer_syscall_post_impl_name_to_handle_at;
  __sanitizer_syscall_post_impl_nanosleep;
  __sanitizer_syscall_post_impl_newfstat;
  __sanitizer_syscall_post_impl_newfstatat;
  __sanitizer_syscall_post_impl_newlstat;
  __sanitizer_syscall_post_impl_newstat;
  __sanitizer_syscall_post_impl_newuname;
  __sanitizer_syscall_post_impl_ni_syscall;
  __sanitizer_syscall_post_impl_nice;
  __sanitizer_syscall_post_impl_old_getrlimit;
  __sanitizer_syscall_post_impl_old_mmap;
  __sanitizer_syscall_post_impl_old_readdir;
  __sanitizer_syscall_post_impl_old_select;
  __sanitizer_syscall_post_impl_oldumount;
  __sanitizer_syscall_post_impl_olduname;
  __sanitizer_syscall_post_impl_open;
  __sanitizer_syscall_post_impl_open_by_handle_at;
  __sanitizer_syscall_post_impl_openat;
  __sanitizer_syscall_post_impl_pause;
  __sanitizer_syscall_post_impl_pciconfig_iobase;
  __sanitizer_syscall_post_impl_pciconfig_read;
  __sanitizer_syscall_post_impl_pciconfig_write;
  __sanitizer_syscall_post_impl_perf_event_open;
  __sanitizer_syscall_post_impl_personality;
  __sanitizer_syscall_post_impl_pipe;
  __sanitizer_syscall_post_impl_pipe2;
  __sanitizer_syscall_post_impl_pivot_root;
  __sanitizer_syscall_post_impl_poll;
  __sanitizer_syscall_post_impl_ppoll;
  __sanitizer_syscall_post_impl_pread64;
  __sanitizer_syscall_post_impl_preadv;
  __sanitizer_syscall_post_impl_prlimit64;
  __sanitizer_syscall_post_impl_process_vm_readv;
  __sanitizer_syscall_post_impl_process_vm_writev;
  __sanitizer_syscall_post_impl_pselect6;
  __sanitizer_syscall_post_impl_ptrace;
  __sanitizer_syscall_post_impl_pwrite64;
  __sanitizer_syscall_post_impl_pwritev;
  __sanitizer_syscall_post_impl_quotactl;
  __sanitizer_syscall_post_impl_read;
  __sanitizer_syscall_post_impl_readlink;
  __sanitizer_syscall_post_impl_readlinkat;
  __sanitizer_syscall_post_impl_readv;
  __sanitizer_syscall_post_impl_reboot;
  __sanitizer_syscall_post_impl_recv;
  __sanitizer_syscall_post_impl_recvfrom;
  __sanitizer_syscall_post_impl_recvmmsg;
  __sanitizer_syscall_post_impl_recvmsg;
  __sanitizer_syscall_post_impl_remap_file_pages;
  __sanitizer_syscall_post_impl_removexattr;
  __sanitizer_syscall_post_impl_rename;
  __sanitizer_syscall_post_impl_renameat;
  __sanitizer_syscall_post_impl_request_key;
  __sanitizer_syscall_post_impl_restart_syscall;
  __sanitizer_syscall_post_impl_rmdir;
  __sanitizer_syscall_post_impl_rt_sigaction;
  __sanitizer_syscall_post_impl_rt_sigpending;
  __sanitizer_syscall_post_impl_rt_sigprocmask;
  __sanitizer_syscall_post_impl_rt_sigqueueinfo;
  __sanitizer_syscall_post_impl_rt_sigtimedwait;
  __sanitizer_syscall_post_impl_rt_tgsigqueueinfo;
  __sanitizer_syscall_post_impl_sched_get_priority_max;
  __sanitizer_syscall_post_impl_sched_get_priority_min;
  __sanitizer_syscall_post_impl_sched_getaffinity;
  __sanitizer_syscall_post_impl_sched_getparam;
  __sanitizer_syscall_post_impl_sched_getscheduler;
  __sanitizer_syscall_post_impl_sched_rr_get_interval;
  __sanitizer_syscall_post_impl_sched_setaffinity;
  __sanitizer_syscall_post_impl_sched_setparam;
  __sanitizer_syscall_post_impl_sched_setscheduler;
  __sanitizer_syscall_post_impl_sched_yield;
  __sanitizer_syscall_post_impl_select;
  __sanitizer_syscall_post_impl_semctl;
  __sanitizer_syscall_post_impl_semget;
  __sanitizer_syscall_post_impl_semop;
  __sanitizer_syscall_post_impl_semtimedop;
  __sanitizer_syscall_post_impl_send;
  __sanitizer_syscall_post_impl_sendfile;
  __sanitizer_syscall_post_impl_sendfile64;
  __sanitizer_syscall_post_impl_sendmmsg;
  __sanitizer_syscall_post_impl_sendmsg;
  __sanitizer_syscall_post_impl_sendto;
  __sanitizer_syscall_post_impl_set_mempolicy;
  __sanitizer_syscall_post_impl_set_robust_list;
  __sanitizer_syscall_post_impl_set_tid_address;
  __sanitizer_syscall_post_impl_setdomainname;
  __sanitizer_syscall_post_impl_setfsgid;
  __sanitizer_syscall_post_impl_setfsuid;
  __sanitizer_syscall_post_impl_setgid;
  __sanitizer_syscall_post_impl_setgroups;
  __sanitizer_syscall_post_impl_sethostname;
  __sanitizer_syscall_post_impl_setitimer;
  __sanitizer_syscall_post_impl_setns;
  __sanitizer_syscall_post_impl_setpgid;
  __sanitizer_syscall_post_impl_setpriority;
  __sanitizer_syscall_post_impl_setregid;
  __sanitizer_syscall_post_impl_setresgid;
  __sanitizer_syscall_post_impl_setresuid;
  __sanitizer_syscall_post_impl_setreuid;
  __sanitizer_syscall_post_impl_setrlimit;
  __sanitizer_syscall_post_impl_setsid;
  __sanitizer_syscall_post_impl_setsockopt;
  __sanitizer_syscall_post_impl_settimeofday;
  __sanitizer_syscall_post_impl_setuid;
  __sanitizer_syscall_post_impl_setxattr;
  __sanitizer_syscall_post_impl_sgetmask;
  __sanitizer_syscall_post_impl_shmat;
  __sanitizer_syscall_post_impl_shmctl;
  __sanitizer_syscall_post_impl_shmdt;
  __sanitizer_syscall_post_impl_shmget;
  __sanitizer_syscall_post_impl_shutdown;
  __sanitizer_syscall_post_impl_sigaction;
  __sanitizer_syscall_post_impl_signal;
  __sanitizer_syscall_post_impl_signalfd;
  __sanitizer_syscall_post_impl_signalfd4;
  __sanitizer_syscall_post_impl_sigpending;
  __sanitizer_syscall_post_impl_sigprocmask;
  __sanitizer_syscall_post_impl_socket;
  __sanitizer_syscall_post_impl_socketcall;
  __sanitizer_syscall_post_impl_socketpair;
  __sanitizer_syscall_post_impl_splice;
  __sanitizer_syscall_post_impl_spu_create;
  __sanitizer_syscall_post_impl_spu_run;
  __sanitizer_syscall_post_impl_ssetmask;
  __sanitizer_syscall_post_impl_stat;
  __sanitizer_syscall_post_impl_stat64;
  __sanitizer_syscall_post_impl_statfs;
  __sanitizer_syscall_post_impl_statfs64;
  __sanitizer_syscall_post_impl_stime;
  __sanitizer_syscall_post_impl_swapoff;
  __sanitizer_syscall_post_impl_swapon;
  __sanitizer_syscall_post_impl_symlink;
  __sanitizer_syscall_post_impl_symlinkat;
  __sanitizer_syscall_post_impl_sync;
  __sanitizer_syscall_post_impl_syncfs;
  __sanitizer_syscall_post_impl_sysctl;
  __sanitizer_syscall_post_impl_sysfs;
  __sanitizer_syscall_post_impl_sysinfo;
  __sanitizer_syscall_post_impl_syslog;
  __sanitizer_syscall_post_impl_tee;
  __sanitizer_syscall_post_impl_tgkill;
  __sanitizer_syscall_post_impl_time;
  __sanitizer_syscall_post_impl_timer_create;
  __sanitizer_syscall_post_impl_timer_delete;
  __sanitizer_syscall_post_impl_timer_getoverrun;
  __sanitizer_syscall_post_impl_timer_gettime;
  __sanitizer_syscall_post_impl_timer_settime;
  __sanitizer_syscall_post_impl_timerfd_create;
  __sanitizer_syscall_post_impl_timerfd_gettime;
  __sanitizer_syscall_post_impl_timerfd_settime;
  __sanitizer_syscall_post_impl_times;
  __sanitizer_syscall_post_impl_tkill;
  __sanitizer_syscall_post_impl_truncate;
  __sanitizer_syscall_post_impl_umask;
  __sanitizer_syscall_post_impl_umount;
  __sanitizer_syscall_post_impl_uname;
  __sanitizer_syscall_post_impl_unlink;
  __sanitizer_syscall_post_impl_unlinkat;
  __sanitizer_syscall_post_impl_unshare;
  __sanitizer_syscall_post_impl_uselib;
  __sanitizer_syscall_post_impl_ustat;
  __sanitizer_syscall_post_impl_utime;
  __sanitizer_syscall_post_impl_utimensat;
  __sanitizer_syscall_post_impl_utimes;
  __sanitizer_syscall_post_impl_vfork;
  __sanitizer_syscall_post_impl_vhangup;
  __sanitizer_syscall_post_impl_vmsplice;
  __sanitizer_syscall_post_impl_wait4;
  __sanitizer_syscall_post_impl_waitid;
  __sanitizer_syscall_post_impl_waitpid;
  __sanitizer_syscall_post_impl_write;
  __sanitizer_syscall_post_impl_writev;
  __sanitizer_syscall_pre_impl_accept;
  __sanitizer_syscall_pre_impl_accept4;
  __sanitizer_syscall_pre_impl_access;
  __sanitizer_syscall_pre_impl_acct;
  __sanitizer_syscall_pre_impl_add_key;
  __sanitizer_syscall_pre_impl_adjtimex;
  __sanitizer_syscall_pre_impl_alarm;
  __sanitizer_syscall_pre_impl_bdflush;
  __sanitizer_syscall_pre_impl_bind;
  __sanitizer_syscall_pre_impl_brk;
  __sanitizer_syscall_pre_impl_capget;
  __sanitizer_syscall_pre_impl_capset;
  __sanitizer_syscall_pre_impl_chdir;
  __sanitizer_syscall_pre_impl_chmod;
  __sanitizer_syscall_pre_impl_chown;
  __sanitizer_syscall_pre_impl_chroot;
  __sanitizer_syscall_pre_impl_clock_adjtime;
  __sanitizer_syscall_pre_impl_clock_getres;
  __sanitizer_syscall_pre_impl_clock_gettime;
  __sanitizer_syscall_pre_impl_clock_nanosleep;
  __sanitizer_syscall_pre_impl_clock_settime;
  __sanitizer_syscall_pre_impl_close;
  __sanitizer_syscall_pre_impl_connect;
  __sanitizer_syscall_pre_impl_creat;
  __sanitizer_syscall_pre_impl_delete_module;
  __sanitizer_syscall_pre_impl_dup;
  __sanitizer_syscall_pre_impl_dup2;
  __sanitizer_syscall_pre_impl_dup3;
  __sanitizer_syscall_pre_impl_epoll_create;
  __sanitizer_syscall_pre_impl_epoll_create1;
  __sanitizer_syscall_pre_impl_epoll_ctl;
  __sanitizer_syscall_pre_impl_epoll_pwait;
  __sanitizer_syscall_pre_impl_epoll_wait;
  __sanitizer_syscall_pre_impl_eventfd;
  __sanitizer_syscall_pre_impl_eventfd2;
  __sanitizer_syscall_pre_impl_exit;
  __sanitizer_syscall_pre_impl_exit_group;
  __sanitizer_syscall_pre_impl_faccessat;
  __sanitizer_syscall_pre_impl_fchdir;
  __sanitizer_syscall_pre_impl_fchmod;
  __sanitizer_syscall_pre_impl_fchmodat;
  __sanitizer_syscall_pre_impl_fchown;
  __sanitizer_syscall_pre_impl_fchownat;
  __sanitizer_syscall_pre_impl_fcntl;
  __sanitizer_syscall_pre_impl_fcntl64;
  __sanitizer_syscall_pre_impl_fdatasync;
  __sanitizer_syscall_pre_impl_fgetxattr;
  __sanitizer_syscall_pre_impl_flistxattr;
  __sanitizer_syscall_pre_impl_flock;
  __sanitizer_syscall_pre_impl_fork;
  __sanitizer_syscall_pre_impl_fremovexattr;
  __sanitizer_syscall_pre_impl_fsetxattr;
  __sanitizer_syscall_pre_impl_fstat;
  __sanitizer_syscall_pre_impl_fstat64;
  __sanitizer_syscall_pre_impl_fstatat64;
  __sanitizer_syscall_pre_impl_fstatfs;
  __sanitizer_syscall_pre_impl_fstatfs64;
  __sanitizer_syscall_pre_impl_fsync;
  __sanitizer_syscall_pre_impl_ftruncate;
  __sanitizer_syscall_pre_impl_futimesat;
  __sanitizer_syscall_pre_impl_get_mempolicy;
  __sanitizer_syscall_pre_impl_get_robust_list;
  __sanitizer_syscall_pre_impl_getcpu;
  __sanitizer_syscall_pre_impl_getcwd;
  __sanitizer_syscall_pre_impl_getdents;
  __sanitizer_syscall_pre_impl_getdents64;
  __sanitizer_syscall_pre_impl_getegid;
  __sanitizer_syscall_pre_impl_geteuid;
  __sanitizer_syscall_pre_impl_getgid;
  __sanitizer_syscall_pre_impl_getgroups;
  __sanitizer_syscall_pre_impl_gethostname;
  __sanitizer_syscall_pre_impl_getitimer;
  __sanitizer_syscall_pre_impl_getpeername;
  __sanitizer_syscall_pre_impl_getpgid;
  __sanitizer_syscall_pre_impl_getpgrp;
  __sanitizer_syscall_pre_impl_getpid;
  __sanitizer_syscall_pre_impl_getppid;
  __sanitizer_syscall_pre_impl_getpriority;
  __sanitizer_syscall_pre_impl_getresgid;
  __sanitizer_syscall_pre_impl_getresuid;
  __sanitizer_syscall_pre_impl_getrlimit;
  __sanitizer_syscall_pre_impl_getrusage;
  __sanitizer_syscall_pre_impl_getsid;
  __sanitizer_syscall_pre_impl_getsockname;
  __sanitizer_syscall_pre_impl_getsockopt;
  __sanitizer_syscall_pre_impl_gettid;
  __sanitizer_syscall_pre_impl_gettimeofday;
  __sanitizer_syscall_pre_impl_getuid;
  __sanitizer_syscall_pre_impl_getxattr;
  __sanitizer_syscall_pre_impl_init_module;
  __sanitizer_syscall_pre_impl_inotify_add_watch;
  __sanitizer_syscall_pre_impl_inotify_init;
  __sanitizer_syscall_pre_impl_inotify_init1;
  __sanitizer_syscall_pre_impl_inotify_rm_watch;
  __sanitizer_syscall_pre_impl_io_cancel;
  __sanitizer_syscall_pre_impl_io_destroy;
  __sanitizer_syscall_pre_impl_io_getevents;
  __sanitizer_syscall_pre_impl_io_setup;
  __sanitizer_syscall_pre_impl_io_submit;
  __sanitizer_syscall_pre_impl_ioctl;
  __sanitizer_syscall_pre_impl_ioperm;
  __sanitizer_syscall_pre_impl_ioprio_get;
  __sanitizer_syscall_pre_impl_ioprio_set;
  __sanitizer_syscall_pre_impl_ipc;
  __sanitizer_syscall_pre_impl_kexec_load;
  __sanitizer_syscall_pre_impl_keyctl;
  __sanitizer_syscall_pre_impl_kill;
  __sanitizer_syscall_pre_impl_lchown;
  __sanitizer_syscall_pre_impl_lgetxattr;
  __sanitizer_syscall_pre_impl_link;
  __sanitizer_syscall_pre_impl_linkat;
  __sanitizer_syscall_pre_impl_listen;
  __sanitizer_syscall_pre_impl_listxattr;
  __sanitizer_syscall_pre_impl_llistxattr;
  __sanitizer_syscall_pre_impl_llseek;
  __sanitizer_syscall_pre_impl_lookup_dcookie;
  __sanitizer_syscall_pre_impl_lremovexattr;
  __sanitizer_syscall_pre_impl_lseek;
  __sanitizer_syscall_pre_impl_lsetxattr;
  __sanitizer_syscall_pre_impl_lstat;
  __sanitizer_syscall_pre_impl_lstat64;
  __sanitizer_syscall_pre_impl_madvise;
  __sanitizer_syscall_pre_impl_mbind;
  __sanitizer_syscall_pre_impl_migrate_pages;
  __sanitizer_syscall_pre_impl_mincore;
  __sanitizer_syscall_pre_impl_mkdir;
  __sanitizer_syscall_pre_impl_mkdirat;
  __sanitizer_syscall_pre_impl_mknod;
  __sanitizer_syscall_pre_impl_mknodat;
  __sanitizer_syscall_pre_impl_mlock;
  __sanitizer_syscall_pre_impl_mlockall;
  __sanitizer_syscall_pre_impl_mmap_pgoff;
  __sanitizer_syscall_pre_impl_mount;
  __sanitizer_syscall_pre_impl_move_pages;
  __sanitizer_syscall_pre_impl_mprotect;
  __sanitizer_syscall_pre_impl_mq_getsetattr;
  __sanitizer_syscall_pre_impl_mq_notify;
  __sanitizer_syscall_pre_impl_mq_open;
  __sanitizer_syscall_pre_impl_mq_timedreceive;
  __sanitizer_syscall_pre_impl_mq_timedsend;
  __sanitizer_syscall_pre_impl_mq_unlink;
  __sanitizer_syscall_pre_impl_mremap;
  __sanitizer_syscall_pre_impl_msgctl;
  __sanitizer_syscall_pre_impl_msgget;
  __sanitizer_syscall_pre_impl_msgrcv;
  __sanitizer_syscall_pre_impl_msgsnd;
  __sanitizer_syscall_pre_impl_msync;
  __sanitizer_syscall_pre_impl_munlock;
  __sanitizer_syscall_pre_impl_munlockall;
  __sanitizer_syscall_pre_impl_munmap;
  __sanitizer_syscall_pre_impl_name_to_handle_at;
  __sanitizer_syscall_pre_impl_nanosleep;
  __sanitizer_syscall_pre_impl_newfstat;
  __sanitizer_syscall_pre_impl_newfstatat;
  __sanitizer_syscall_pre_impl_newlstat;
  __sanitizer_syscall_pre_impl_newstat;
  __sanitizer_syscall_pre_impl_newuname;
  __sanitizer_syscall_pre_impl_ni_syscall;
  __sanitizer_syscall_pre_impl_nice;
  __sanitizer_syscall_pre_impl_old_getrlimit;
  __sanitizer_syscall_pre_impl_old_mmap;
  __sanitizer_syscall_pre_impl_old_readdir;
  __sanitizer_syscall_pre_impl_old_select;
  __sanitizer_syscall_pre_impl_oldumount;
  __sanitizer_syscall_pre_impl_olduname;
  __sanitizer_syscall_pre_impl_open;
  __sanitizer_syscall_pre_impl_open_by_handle_at;
  __sanitizer_syscall_pre_impl_openat;
  __sanitizer_syscall_pre_impl_pause;
  __sanitizer_syscall_pre_impl_pciconfig_iobase;
  __sanitizer_syscall_pre_impl_pciconfig_read;
  __sanitizer_syscall_pre_impl_pciconfig_write;
  __sanitizer_syscall_pre_impl_perf_event_open;
  __sanitizer_syscall_pre_impl_personality;
  __sanitizer_syscall_pre_impl_pipe;
  __sanitizer_syscall_pre_impl_pipe2;
  __sanitizer_syscall_pre_impl_pivot_root;
  __sanitizer_syscall_pre_impl_poll;
  __sanitizer_syscall_pre_impl_ppoll;
  __sanitizer_syscall_pre_impl_pread64;
  __sanitizer_syscall_pre_impl_preadv;
  __sanitizer_syscall_pre_impl_prlimit64;
  __sanitizer_syscall_pre_impl_process_vm_readv;
  __sanitizer_syscall_pre_impl_process_vm_writev;
  __sanitizer_syscall_pre_impl_pselect6;
  __sanitizer_syscall_pre_impl_ptrace;
  __sanitizer_syscall_pre_impl_pwrite64;
  __sanitizer_syscall_pre_impl_pwritev;
  __sanitizer_syscall_pre_impl_quotactl;
  __sanitizer_syscall_pre_impl_read;
  __sanitizer_syscall_pre_impl_readlink;
  __sanitizer_syscall_pre_impl_readlinkat;
  __sanitizer_syscall_pre_impl_readv;
  __sanitizer_syscall_pre_impl_reboot;
  __sanitizer_syscall_pre_impl_recv;
  __sanitizer_syscall_pre_impl_recvfrom;
  __sanitizer_syscall_pre_impl_recvmmsg;
  __sanitizer_syscall_pre_impl_recvmsg;
  __sanitizer_syscall_pre_impl_remap_file_pages;
  __sanitizer_syscall_pre_impl_removexattr;
  __sanitizer_syscall_pre_impl_rename;
  __sanitizer_syscall_pre_impl_renameat;
  __sanitizer_syscall_pre_impl_request_key;
  __sanitizer_syscall_pre_impl_restart_syscall;
  __sanitizer_syscall_pre_impl_rmdir;
  __sanitizer_syscall_pre_impl_rt_sigaction;
  __sanitizer_syscall_pre_impl_rt_sigpending;
  __sanitizer_syscall_pre_impl_rt_sigprocmask;
  __sanitizer_syscall_pre_impl_rt_sigqueueinfo;
  __sanitizer_syscall_pre_impl_rt_sigtimedwait;
  __sanitizer_syscall_pre_impl_rt_tgsigqueueinfo;
  __sanitizer_syscall_pre_impl_sched_get_priority_max;
  __sanitizer_syscall_pre_impl_sched_get_priority_min;
  __sanitizer_syscall_pre_impl_sched_getaffinity;
  __sanitizer_syscall_pre_impl_sched_getparam;
  __sanitizer_syscall_pre_impl_sched_getscheduler;
  __sanitizer_syscall_pre_impl_sched_rr_get_interval;
  __sanitizer_syscall_pre_impl_sched_setaffinity;
  __sanitizer_syscall_pre_impl_sched_setparam;
  __sanitizer_syscall_pre_impl_sched_setscheduler;
  __sanitizer_syscall_pre_impl_sched_yield;
  __sanitizer_syscall_pre_impl_select;
  __sanitizer_syscall_pre_impl_semctl;
  __sanitizer_syscall_pre_impl_semget;
  __sanitizer_syscall_pre_impl_semop;
  __sanitizer_syscall_pre_impl_semtimedop;
  __sanitizer_syscall_pre_impl_send;
  __sanitizer_syscall_pre_impl_sendfile;
  __sanitizer_syscall_pre_impl_sendfile64;
  __sanitizer_syscall_pre_impl_sendmmsg;
  __sanitizer_syscall_pre_impl_sendmsg;
  __sanitizer_syscall_pre_impl_sendto;
  __sanitizer_syscall_pre_impl_set_mempolicy;
  __sanitizer_syscall_pre_impl_set_robust_list;
  __sanitizer_syscall_pre_impl_set_tid_address;
  __sanitizer_syscall_pre_impl_setdomainname;
  __sanitizer_syscall_pre_impl_setfsgid;
  __sanitizer_syscall_pre_impl_setfsuid;
  __sanitizer_syscall_pre_impl_setgid;
  __sanitizer_syscall_pre_impl_setgroups;
  __sanitizer_syscall_pre_impl_sethostname;
  __sanitizer_syscall_pre_impl_setitimer;
  __sanitizer_syscall_pre_impl_setns;
  __sanitizer_syscall_pre_impl_setpgid;
  __sanitizer_syscall_pre_impl_setpriority;
  __sanitizer_syscall_pre_impl_setregid;
  __sanitizer_syscall_pre_impl_setresgid;
  __sanitizer_syscall_pre_impl_setresuid;
  __sanitizer_syscall_pre_impl_setreuid;
  __sanitizer_syscall_pre_impl_setrlimit;
  __sanitizer_syscall_pre_impl_setsid;
  __sanitizer_syscall_pre_impl_setsockopt;
  __sanitizer_syscall_pre_impl_settimeofday;
  __sanitizer_syscall_pre_impl_setuid;
  __sanitizer_syscall_pre_impl_setxattr;
  __sanitizer_syscall_pre_impl_sgetmask;
  __sanitizer_syscall_pre_impl_shmat;
  __sanitizer_syscall_pre_impl_shmctl;
  __sanitizer_syscall_pre_impl_shmdt;
  __sanitizer_syscall_pre_impl_shmget;
  __sanitizer_syscall_pre_impl_shutdown;
  __sanitizer_syscall_pre_impl_sigaction;
  __sanitizer_syscall_pre_impl_signal;
  __sanitizer_syscall_pre_impl_signalfd;
  __sanitizer_syscall_pre_impl_signalfd4;
  __sanitizer_syscall_pre_impl_sigpending;
  __sanitizer_syscall_pre_impl_sigprocmask;
  __sanitizer_syscall_pre_impl_socket;
  __sanitizer_syscall_pre_impl_socketcall;
  __sanitizer_syscall_pre_impl_socketpair;
  __sanitizer_syscall_pre_impl_splice;
  __sanitizer_syscall_pre_impl_spu_create;
  __sanitizer_syscall_pre_impl_spu_run;
  __sanitizer_syscall_pre_impl_ssetmask;
  __sanitizer_syscall_pre_impl_stat;
  __sanitizer_syscall_pre_impl_stat64;
  __sanitizer_syscall_pre_impl_statfs;
  __sanitizer_syscall_pre_impl_statfs64;
  __sanitizer_syscall_pre_impl_stime;
  __sanitizer_syscall_pre_impl_swapoff;
  __sanitizer_syscall_pre_impl_swapon;
  __sanitizer_syscall_pre_impl_symlink;
  __sanitizer_syscall_pre_impl_symlinkat;
  __sanitizer_syscall_pre_impl_sync;
  __sanitizer_syscall_pre_impl_syncfs;
  __sanitizer_syscall_pre_impl_sysctl;
  __sanitizer_syscall_pre_impl_sysfs;
  __sanitizer_syscall_pre_impl_sysinfo;
  __sanitizer_syscall_pre_impl_syslog;
  __sanitizer_syscall_pre_impl_tee;
  __sanitizer_syscall_pre_impl_tgkill;
  __sanitizer_syscall_pre_impl_time;
  __sanitizer_syscall_pre_impl_timer_create;
  __sanitizer_syscall_pre_impl_timer_delete;
  __sanitizer_syscall_pre_impl_timer_getoverrun;
  __sanitizer_syscall_pre_impl_timer_gettime;
  __sanitizer_syscall_pre_impl_timer_settime;
  __sanitizer_syscall_pre_impl_timerfd_create;
  __sanitizer_syscall_pre_impl_timerfd_gettime;
  __sanitizer_syscall_pre_impl_timerfd_settime;
  __sanitizer_syscall_pre_impl_times;
  __sanitizer_syscall_pre_impl_tkill;
  __sanitizer_syscall_pre_impl_truncate;
  __sanitizer_syscall_pre_impl_umask;
  __sanitizer_syscall_pre_impl_umount;
  __sanitizer_syscall_pre_impl_uname;
  __sanitizer_syscall_pre_impl_unlink;
  __sanitizer_syscall_pre_impl_unlinkat;
  __sanitizer_syscall_pre_impl_unshare;
  __sanitizer_syscall_pre_impl_uselib;
  __sanitizer_syscall_pre_impl_ustat;
  __sanitizer_syscall_pre_impl_utime;
  __sanitizer_syscall_pre_impl_utimensat;
  __sanitizer_syscall_pre_impl_utimes;
  __sanitizer_syscall_pre_impl_vfork;
  __sanitizer_syscall_pre_impl_vhangup;
  __sanitizer_syscall_pre_impl_vmsplice;
  __sanitizer_syscall_pre_impl_wait4;
  __sanitizer_syscall_pre_impl_waitid;
  __sanitizer_syscall_pre_impl_waitpid;
  __sanitizer_syscall_pre_impl_write;
  __sanitizer_syscall_pre_impl_writev;
  __sanitizer_unaligned_load16;
  __sanitizer_unaligned_load32;
  __sanitizer_unaligned_load64;
  __sanitizer_unaligned_store16;
  __sanitizer_unaligned_store32;
  __sanitizer_unaligned_store64;
  __sanitizer_verify_contiguous_container;
  __sanitizer_weak_hook_memcmp;
  __sanitizer_weak_hook_memmem;
  __sanitizer_weak_hook_strcasecmp;
  __sanitizer_weak_hook_strcasestr;
  __sanitizer_weak_hook_strcmp;
  __sanitizer_weak_hook_strncasecmp;
  __sanitizer_weak_hook_strncmp;
  __sanitizer_weak_hook_strstr;
  __snprintf_chk;
  __sprintf_chk;
  __strdup;
  __strndup;
  __strxfrm_l;
  __tls_get_addr;
  __ubsan_*;
  __uflow;
  __underflow;
  __vsnprintf_chk;
  __vsprintf_chk;
  __wcsxfrm_l;
  __woverflow;
  __wuflow;
  __wunderflow;
  __xpg_strerror_r;
  __xstat;
  __xstat64;
  _exit;
  _longjmp;
  _obstack_begin;
  _obstack_begin_1;
  _obstack_newchunk;
  accept;
  accept4;
  aligned_alloc;
  asctime;
  asctime_r;
  asprintf;
  atoi;
  atol;
  atoll;
  backtrace;
  backtrace_symbols;
  calloc;
  canonicalize_file_name;
  capget;
  capset;
  cfree;
  clock_getres;
  clock_gettime;
  clock_settime;
  confstr;
  ctermid;
  ctime;
  ctime_r;
  dlclose;
  dlopen;
  drand48_r;
  endgrent;
  endpwent;
  ether_aton;
  ether_aton_r;
  ether_hostton;
  ether_line;
  ether_ntoa;
  ether_ntoa_r;
  ether_ntohost;
  eventfd_read;
  eventfd_write;
  fclose;
  fdopen;
  fflush;
  fgetgrent;
  fgetgrent_r;
  fgetpwent;
  fgetpwent_r;
  fgets;
  fgetxattr;
  flistxattr;
  fmemopen;
  fopen;
  fopen64;
  fopencookie;
  fprintf;
  fputs;
  fread;
  free;
  freopen;
  freopen64;
  frexp;
  frexpf;
  frexpl;
  fscanf;
  fstatfs;
  fstatfs64;
  fstatvfs;
  fstatvfs64;
  ftime;
  fwrite;
  get_current_dir_name;
  getaddrinfo;
  getcwd;
  getdelim;
  getgrent;
  getgrent_r;
  getgrgid;
  getgrgid_r;
  getgrnam;
  getgrnam_r;
  getgroups;
  gethostbyaddr;
  gethostbyaddr_r;
  gethostbyname;
  gethostbyname2;
  gethostbyname2_r;
  gethostbyname_r;
  gethostent;
  gethostent_r;
  getifaddrs;
  getitimer;
  getline;
  getloadavg;
  getmntent;
  getmntent_r;
  getnameinfo;
  getpass;
  getpeername;
  getpwent;
  getpwent_r;
  getpwnam;
  getpwnam_r;
  getpwuid;
  getpwuid_r;
  getresgid;
  getresuid;
  getsockname;
  getsockopt;
  getutent;
  getutid;
  getutline;
  getutxent;
  getutxid;
  getutxline;
  getxattr;
  glob;
  glob64;
  gmtime;
  gmtime_r;
  iconv;
  if_indextoname;
  if_nametoindex;
  index;
  inet_aton;
  inet_ntop;
  inet_pton;
  initgroups;
  ioctl;
  lgamma;
  lgamma_r;
  lgammaf;
  lgammaf_r;
  lgammal;
  lgammal_r;
  lgetxattr;
  listxattr;
  llistxattr;
  localtime;
  localtime_r;
  longjmp;
  lrand48_r;
  mallinfo;
  malloc;
  malloc_stats;
  malloc_usable_size;
  mallopt;
  mbsnrtowcs;
  mbsrtowcs;
  mbstowcs;
  mcheck;
  mcheck_pedantic;
  memalign;
  memchr;
  memcmp;
  memcpy;
  memmem;
  memmove;
  memrchr;
  memset;
  mincore;
  mktime;
  mlock;
  mlockall;
  mmap;
  mmap64;
  modf;
  modff;
  modfl;
  mprobe;
  mprotect;
  munlock;
  munlockall;
  name_to_handle_at;
  open_by_handle_at;
  open_memstream;
  open_wmemstream;
  opendir;
  poll;
  posix_memalign;
  ppoll;
  prctl;
  pread;
  pread64;
  preadv;
  preadv64;
  printf;
  process_vm_readv;
  process_vm_writev;
  pthread_attr_getaffinity_np;
  pthread_attr_getdetachstate;
  pthread_attr_getguardsize;
  pthread_attr_getinheritsched;
  pthread_attr_getschedparam;
  pthread_attr_getschedpolicy;
  pthread_attr_getscope;
  pthread_attr_getstack;
  pthread_attr_getstacksize;
  pthread_barrierattr_getpshared;
  pthread_condattr_getclock;
  pthread_condattr_getpshared;
  pthread_create;
  pthread_getname_np;
  pthread_getschedparam;
  pthread_join;
  pthread_mutex_lock;
  pthread_mutex_unlock;
  pthread_mutexattr_getprioceiling;
  pthread_mutexattr_getprotocol;
  pthread_mutexattr_getpshared;
  pthread_mutexattr_getrobust;
  pthread_mutexattr_getrobust_np;
  pthread_mutexattr_gettype;
  pthread_rwlockattr_getkind_np;
  pthread_rwlockattr_getpshared;
  pthread_setcancelstate;
  pthread_setcanceltype;
  pthread_setname_np;
  ptrace;
  puts;
  pvalloc;
  pwrite;
  pwrite64;
  pwritev;
  pwritev64;
  rand_r;
  random_r;
  read;
  readdir;
  readdir64;
  readdir64_r;
  readdir_r;
  readlink;
  readlinkat;
  readv;
  realloc;
  realpath;
  recv;
  recvfrom;
  recvmmsg;
  recvmsg;
  remquo;
  remquof;
  remquol;
  scandir;
  scandir64;
  scanf;
  sched_getaffinity;
  sched_getparam;
  sem_destroy;
  sem_getvalue;
  sem_init;
  sem_post;
  sem_timedwait;
  sem_trywait;
  sem_wait;
  send;
  sendmmsg;
  sendmsg;
  sendto;
  setgrent;
  setitimer;
  setlocale;
  setpwent;
  sigaction;
  sigemptyset;
  sigfillset;
  siglongjmp;
  signal;
  sigpending;
  sigprocmask;
  sigtimedwait;
  sigwait;
  sigwaitinfo;
  sincos;
  sincosf;
  sincosl;
  snprintf;
  sprintf;
  sscanf;
  statfs;
  statfs64;
  statvfs;
  statvfs64;
  strcasecmp;
  strcasestr;
  strcat;
  strchr;
  strchrnul;
  strcmp;
  strcpy;
  strcspn;
  strdup;
  strerror;
  strerror_r;
  strlen;
  strncasecmp;
  strncat;
  strncmp;
  strncpy;
  strndup;
  strnlen;
  strpbrk;
  strptime;
  strrchr;
  strspn;
  strstr;
  strtoimax;
  strtok;
  strtol;
  strtoll;
  strtoumax;
  strxfrm;
  strxfrm_l;
  swapcontext;
  sysinfo;
  tcgetattr;
  tempnam;
  textdomain;
  time;
  timerfd_gettime;
  timerfd_settime;
  times;
  tmpnam;
  tmpnam_r;
  tsearch;
  ttyname_r;
  valloc;
  vasprintf;
  vfprintf;
  vfscanf;
  vprintf;
  vscanf;
  vsnprintf;
  vsprintf;
  vsscanf;
  wait;
  wait3;
  wait4;
  waitid;
  waitpid;
  wcrtomb;
  wcscat;
  wcslen;
  wcsncat;
  wcsnlen;
  wcsnrtombs;
  wcsrtombs;
  wcstombs;
  wcsxfrm;
  wcsxfrm_l;
  wordexp;
  write;
  writev;
  xdr_bool;
  xdr_bytes;
  xdr_char;
  xdr_double;
  xdr_enum;
  xdr_float;
  xdr_hyper;
  xdr_int;
  xdr_int16_t;
  xdr_int32_t;
  xdr_int64_t;
  xdr_int8_t;
  xdr_long;
  xdr_longlong_t;
  xdr_quad_t;
  xdr_short;
  xdr_string;
  xdr_u_char;
  xdr_u_hyper;
  xdr_u_int;
  xdr_u_long;
  xdr_u_longlong_t;
  xdr_u_quad_t;
  xdr_u_short;
  xdr_uint16_t;
  xdr_uint32_t;
  xdr_uint64_t;
  xdr_uint8_t;
  xdrmem_create;
  xdrstdio_create;
local:
  *;
};

@alexcrichton
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This is likely a race condition so it could be the case that when the linker is invoked it's invalid but then by the time we read the file it is finished writing so it's vaild. No idea how to track it down though :(

@kennytm kennytm mentioned this issue Jul 17, 2018
Merged
@Pazzaz Pazzaz mentioned this issue Jul 17, 2018
Merged
@RalfJung RalfJung mentioned this issue Jul 18, 2018
Merged
alexcrichton added a commit to alexcrichton/rust that referenced this issue Jul 18, 2018
@alexcrichton
Don't build twice the sanitizers on Linux
2e5d925 
This commit is an attempted fix at rust-lang#50887. It was noticed that on that issue
we're building both x86_64 and i386 versions of libraries, but we only actually
need the x86_64 versions! This hopes that the build race condition exhibited
in rust-lang#50887 is connected to building both architectures and/or building a lot of
libraries, so this should help us build precisely what we need and no more.
@alexcrichton alexcrichton mentioned this issue Jul 18, 2018
Merged
@alexcrichton
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I'm hoping this is either mitigated or fixed with #52487

kennytm added a commit to kennytm/rust that referenced this issue Jul 18, 2018
@kennytm
Rollup merge of rust-lang#52487 - alexcrichton:build-less-sanitizers,…
1e5a8c6 
… r=kennytm

Don't build twice the sanitizers on Linux

This commit is an attempted fix at rust-lang#50887. It was noticed that on that issue
we're building both x86_64 and i386 versions of libraries, but we only actually
need the x86_64 versions! This hopes that the build race condition exhibited
in rust-lang#50887 is connected to building both architectures and/or building a lot of
libraries, so this should help us build precisely what we need and no more.
@kennytm kennytm mentioned this issue Jul 19, 2018
Merged
@alexcrichton
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I haven't seen this in quite some time, so closing.

@loganwendholt loganwendholt mentioned this issue Aug 26, 2019
Closed
@itowlson
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I came across this today when I tried to build a project that contained some crates that were meant to build to x64 and some that were meant to build to Wasm. I'll hold my hands up to user error for trying to do that build, but it would have been lovely to get a less cryptic error message...!

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A-sanitizers Area: Sanitizers for correctness and code quality A-spurious Area: Spurious failures in builds (spuriously == for no apparent reason) C-tracking-issue Category: An issue tracking the progress of sth. like the implementation of an RFC T-bootstrap Relevant to the bootstrap subteam: Rust's build system (x.py and src/bootstrap)
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@alexcrichton @kennytm @itowlson