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Memory leak on macOS #52

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lopopolo opened this issue Aug 14, 2022 · 1 comment
Closed

Memory leak on macOS #52

lopopolo opened this issue Aug 14, 2022 · 1 comment
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Tier-1 Rust Tier-1 platform

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@lopopolo
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LeakSanitizer is not happy on my mac (latest main):

$ RUSTFLAGS="-Z sanitizer=leak" cargo +nightly test --lib
   Compiling core-foundation-sys v0.8.3
error: failed to run custom build command for `core-foundation-sys v0.8.3`

Caused by:
  process didn't exit successfully: `/Users/lopopolo/dev/repos/iana-time-zone/target/debug/build/core-foundation-sys-12e9821091001b77/build-script-build` (exit status: 23)
  --- stdout
  cargo:rustc-link-lib=framework=CoreFoundation

  --- stderr

  =================================================================
  ==70432==ERROR: LeakSanitizer: detected memory leaks

  Direct leak of 1888 byte(s) in 59 object(s) allocated from:
      #0 0x1055697fd in wrap_calloc+0x5d (librustc-nightly_rt.lsan.dylib:x86_64+0xb7fd) (BuildId: 8c28f22865823830a53915a56e9223bb240000001000000000070a0000010c00)
      #1 0x7ff801b3b84f in realizeClassWithoutSwift(objc_class*, objc_class*)+0x88 (libobjc.A.dylib:x86_64h+0x484f) (BuildId: dad8610317e93016930d02cad81a5ed932000000200000000100000000050c00)
      #2 0x7ff801b39b59 in map_images_nolock+0x161b (libobjc.A.dylib:x86_64h+0x2b59) (BuildId: dad8610317e93016930d02cad81a5ed932000000200000000100000000050c00)
      #3 0x7ff801b384db in map_images+0x42 (libobjc.A.dylib:x86_64h+0x14db) (BuildId: dad8610317e93016930d02cad81a5ed932000000200000000100000000050c00)
      #4 0x113dc11fa in invocation function for block in dyld4::RuntimeState::setObjCNotifiers(void (*)(unsigned int, char const* const*, mach_header const* const*), void (*)(char const*, mach_header const*), void (*)(char const*, mach_header const*))+0x112 (dyld:x86_64+0xf1fa) (BuildId: f71fb3ca5fcc35779457b047888a46d132000000200000000100000000050c00)
      #5 0x113dbc6c8 in dyld4::RuntimeState::withLoadersReadLock(void () block_pointer)+0x28 (dyld:x86_64+0xa6c8) (BuildId: f71fb3ca5fcc35779457b047888a46d132000000200000000100000000050c00)
      #6 0x113dc10e1 in dyld4::RuntimeState::setObjCNotifiers(void (*)(unsigned int, char const* const*, mach_header const* const*), void (*)(char const*, mach_header const*), void (*)(char const*, mach_header const*))+0x51 (dyld:x86_64+0xf0e1) (BuildId: f71fb3ca5fcc35779457b047888a46d132000000200000000100000000050c00)
      #7 0x113dd4d44 in dyld4::APIs::_dyld_objc_notify_register(void (*)(unsigned int, char const* const*, mach_header const* const*), void (*)(char const*, mach_header const*), void (*)(char const*, mach_header const*))+0x4e (dyld:x86_64+0x22d44) (BuildId: f71fb3ca5fcc35779457b047888a46d132000000200000000100000000050c00)
      #8 0x7ff801b38343 in _objc_init+0x4fe (libobjc.A.dylib:x86_64h+0x1343) (BuildId: dad8610317e93016930d02cad81a5ed932000000200000000100000000050c00)
      #9 0x7ff801af2992 in _os_object_init+0xc (libdispatch.dylib:x86_64+0x2992) (BuildId: 5115c8efbc5732db91c671b61a79966e32000000200000000100000000050c00)
      #10 0x7ff801b001b7 in libdispatch_init+0x136 (libdispatch.dylib:x86_64+0x101b7) (BuildId: 5115c8efbc5732db91c671b61a79966e32000000200000000100000000050c00)
      #11 0x7ff80caa4894 in libSystem_initializer+0xed (libSystem.B.dylib:x86_64+0x1894) (BuildId: ba73a734cc563c50a9c8513b34b3726932000000200000000100000000050c00)
      #12 0x113dc6e4e in invocation function for block in dyld4::Loader::findAndRunAllInitializers(dyld4::RuntimeState&) const+0xb5 (dyld:x86_64+0x14e4e) (BuildId: f71fb3ca5fcc35779457b047888a46d132000000200000000100000000050c00)
      #13 0x113dedaac in invocation function for block in dyld3::MachOAnalyzer::forEachInitializer(Diagnostics&, dyld3::MachOAnalyzer::VMAddrConverter const&, void (unsigned int) block_pointer, void const*) const+0xf1 (dyld:x86_64+0x3baac) (BuildId: f71fb3ca5fcc35779457b047888a46d132000000200000000100000000050c00)
      #14 0x113de4e25 in invocation function for block in dyld3::MachOFile::forEachSection(void (dyld3::MachOFile::SectionInfo const&, bool, bool&) block_pointer) const+0x22c (dyld:x86_64+0x32e25) (BuildId: f71fb3ca5fcc35779457b047888a46d132000000200000000100000000050c00)
      #15 0x113db3db2 in dyld3::MachOFile::forEachLoadCommand(Diagnostics&, void (load_command const*, bool&) block_pointer) const+0x80 (dyld:x86_64+0x1db2) (BuildId: f71fb3ca5fcc35779457b047888a46d132000000200000000100000000050c00)
      #16 0x113de4bb6 in dyld3::MachOFile::forEachSection(void (dyld3::MachOFile::SectionInfo const&, bool, bool&) block_pointer) const+0xb2 (dyld:x86_64+0x32bb6) (BuildId: f71fb3ca5fcc35779457b047888a46d132000000200000000100000000050c00)
      #17 0x113ded603 in dyld3::MachOAnalyzer::forEachInitializer(Diagnostics&, dyld3::MachOAnalyzer::VMAddrConverter const&, void (unsigned int) block_pointer, void const*) const+0x1d1 (dyld:x86_64+0x3b603) (BuildId: f71fb3ca5fcc35779457b047888a46d132000000200000000100000000050c00)
      #18 0x113dc6d81 in dyld4::Loader::findAndRunAllInitializers(dyld4::RuntimeState&) const+0x8f (dyld:x86_64+0x14d81) (BuildId: f71fb3ca5fcc35779457b047888a46d132000000200000000100000000050c00)
      #19 0x113dcd659 in dyld4::PrebuiltLoader::runInitializers(dyld4::RuntimeState&) const+0x1d (dyld:x86_64+0x1b659) (BuildId: f71fb3ca5fcc35779457b047888a46d132000000200000000100000000050c00)
      #20 0x113dda76d in dyld4::APIs::runAllInitializersForMain()+0x25 (dyld:x86_64+0x2876d) (BuildId: f71fb3ca5fcc35779457b047888a46d132000000200000000100000000050c00)
      #21 0x113db838c in dyld4::prepare(dyld4::APIs&, dyld3::MachOAnalyzer const*)+0xd72 (dyld:x86_64+0x638c) (BuildId: f71fb3ca5fcc35779457b047888a46d132000000200000000100000000050c00)
      #22 0x113db74e3 in start+0x183 (dyld:x86_64+0x54e3) (BuildId: f71fb3ca5fcc35779457b047888a46d132000000200000000100000000050c00)

  Direct leak of 1888 byte(s) in 59 object(s) allocated from:
      #0 0x1055697fd in wrap_calloc+0x5d (librustc-nightly_rt.lsan.dylib:x86_64+0xb7fd) (BuildId: 8c28f22865823830a53915a56e9223bb240000001000000000070a0000010c00)
      #1 0x7ff801b3b84f in realizeClassWithoutSwift(objc_class*, objc_class*)+0x88 (libobjc.A.dylib:x86_64h+0x484f) (BuildId: dad8610317e93016930d02cad81a5ed932000000200000000100000000050c00)
      #2 0x7ff801b3b91b in realizeClassWithoutSwift(objc_class*, objc_class*)+0x154 (libobjc.A.dylib:x86_64h+0x491b) (BuildId: dad8610317e93016930d02cad81a5ed932000000200000000100000000050c00)
      #3 0x7ff801b39b59 in map_images_nolock+0x161b (libobjc.A.dylib:x86_64h+0x2b59) (BuildId: dad8610317e93016930d02cad81a5ed932000000200000000100000000050c00)
      #4 0x7ff801b384db in map_images+0x42 (libobjc.A.dylib:x86_64h+0x14db) (BuildId: dad8610317e93016930d02cad81a5ed932000000200000000100000000050c00)
      #5 0x113dc11fa in invocation function for block in dyld4::RuntimeState::setObjCNotifiers(void (*)(unsigned int, char const* const*, mach_header const* const*), void (*)(char const*, mach_header const*), void (*)(char const*, mach_header const*))+0x112 (dyld:x86_64+0xf1fa) (BuildId: f71fb3ca5fcc35779457b047888a46d132000000200000000100000000050c00)
      #6 0x113dbc6c8 in dyld4::RuntimeState::withLoadersReadLock(void () block_pointer)+0x28 (dyld:x86_64+0xa6c8) (BuildId: f71fb3ca5fcc35779457b047888a46d132000000200000000100000000050c00)
      #7 0x113dc10e1 in dyld4::RuntimeState::setObjCNotifiers(void (*)(unsigned int, char const* const*, mach_header const* const*), void (*)(char const*, mach_header const*), void (*)(char const*, mach_header const*))+0x51 (dyld:x86_64+0xf0e1) (BuildId: f71fb3ca5fcc35779457b047888a46d132000000200000000100000000050c00)
      #8 0x113dd4d44 in dyld4::APIs::_dyld_objc_notify_register(void (*)(unsigned int, char const* const*, mach_header const* const*), void (*)(char const*, mach_header const*), void (*)(char const*, mach_header const*))+0x4e (dyld:x86_64+0x22d44) (BuildId: f71fb3ca5fcc35779457b047888a46d132000000200000000100000000050c00)
      #9 0x7ff801b38343 in _objc_init+0x4fe (libobjc.A.dylib:x86_64h+0x1343) (BuildId: dad8610317e93016930d02cad81a5ed932000000200000000100000000050c00)
      #10 0x7ff801af2992 in _os_object_init+0xc (libdispatch.dylib:x86_64+0x2992) (BuildId: 5115c8efbc5732db91c671b61a79966e32000000200000000100000000050c00)
      #11 0x7ff801b001b7 in libdispatch_init+0x136 (libdispatch.dylib:x86_64+0x101b7) (BuildId: 5115c8efbc5732db91c671b61a79966e32000000200000000100000000050c00)
      #12 0x7ff80caa4894 in libSystem_initializer+0xed (libSystem.B.dylib:x86_64+0x1894) (BuildId: ba73a734cc563c50a9c8513b34b3726932000000200000000100000000050c00)
      #13 0x113dc6e4e in invocation function for block in dyld4::Loader::findAndRunAllInitializers(dyld4::RuntimeState&) const+0xb5 (dyld:x86_64+0x14e4e) (BuildId: f71fb3ca5fcc35779457b047888a46d132000000200000000100000000050c00)
      #14 0x113dedaac in invocation function for block in dyld3::MachOAnalyzer::forEachInitializer(Diagnostics&, dyld3::MachOAnalyzer::VMAddrConverter const&, void (unsigned int) block_pointer, void const*) const+0xf1 (dyld:x86_64+0x3baac) (BuildId: f71fb3ca5fcc35779457b047888a46d132000000200000000100000000050c00)
      #15 0x113de4e25 in invocation function for block in dyld3::MachOFile::forEachSection(void (dyld3::MachOFile::SectionInfo const&, bool, bool&) block_pointer) const+0x22c (dyld:x86_64+0x32e25) (BuildId: f71fb3ca5fcc35779457b047888a46d132000000200000000100000000050c00)
      #16 0x113db3db2 in dyld3::MachOFile::forEachLoadCommand(Diagnostics&, void (load_command const*, bool&) block_pointer) const+0x80 (dyld:x86_64+0x1db2) (BuildId: f71fb3ca5fcc35779457b047888a46d132000000200000000100000000050c00)
      #17 0x113de4bb6 in dyld3::MachOFile::forEachSection(void (dyld3::MachOFile::SectionInfo const&, bool, bool&) block_pointer) const+0xb2 (dyld:x86_64+0x32bb6) (BuildId: f71fb3ca5fcc35779457b047888a46d132000000200000000100000000050c00)
      #18 0x113ded603 in dyld3::MachOAnalyzer::forEachInitializer(Diagnostics&, dyld3::MachOAnalyzer::VMAddrConverter const&, void (unsigned int) block_pointer, void const*) const+0x1d1 (dyld:x86_64+0x3b603) (BuildId: f71fb3ca5fcc35779457b047888a46d132000000200000000100000000050c00)
      #19 0x113dc6d81 in dyld4::Loader::findAndRunAllInitializers(dyld4::RuntimeState&) const+0x8f (dyld:x86_64+0x14d81) (BuildId: f71fb3ca5fcc35779457b047888a46d132000000200000000100000000050c00)
      #20 0x113dcd659 in dyld4::PrebuiltLoader::runInitializers(dyld4::RuntimeState&) const+0x1d (dyld:x86_64+0x1b659) (BuildId: f71fb3ca5fcc35779457b047888a46d132000000200000000100000000050c00)
      #21 0x113dda76d in dyld4::APIs::runAllInitializersForMain()+0x25 (dyld:x86_64+0x2876d) (BuildId: f71fb3ca5fcc35779457b047888a46d132000000200000000100000000050c00)
      #22 0x113db838c in dyld4::prepare(dyld4::APIs&, dyld3::MachOAnalyzer const*)+0xd72 (dyld:x86_64+0x638c) (BuildId: f71fb3ca5fcc35779457b047888a46d132000000200000000100000000050c00)
      #23 0x113db74e3 in start+0x183 (dyld:x86_64+0x54e3) (BuildId: f71fb3ca5fcc35779457b047888a46d132000000200000000100000000050c00)

  Direct leak of 160 byte(s) in 5 object(s) allocated from:
      #0 0x1055697fd in wrap_calloc+0x5d (librustc-nightly_rt.lsan.dylib:x86_64+0xb7fd) (BuildId: 8c28f22865823830a53915a56e9223bb240000001000000000070a0000010c00)
      #1 0x7ff801b3b84f in realizeClassWithoutSwift(objc_class*, objc_class*)+0x88 (libobjc.A.dylib:x86_64h+0x484f) (BuildId: dad8610317e93016930d02cad81a5ed932000000200000000100000000050c00)
      #2 0x7ff801b3b91b in realizeClassWithoutSwift(objc_class*, objc_class*)+0x154 (libobjc.A.dylib:x86_64h+0x491b) (BuildId: dad8610317e93016930d02cad81a5ed932000000200000000100000000050c00)
      #3 0x7ff801b3b8f8 in realizeClassWithoutSwift(objc_class*, objc_class*)+0x131 (libobjc.A.dylib:x86_64h+0x48f8) (BuildId: dad8610317e93016930d02cad81a5ed932000000200000000100000000050c00)
      #4 0x7ff801b39b59 in map_images_nolock+0x161b (libobjc.A.dylib:x86_64h+0x2b59) (BuildId: dad8610317e93016930d02cad81a5ed932000000200000000100000000050c00)
      #5 0x7ff801b384db in map_images+0x42 (libobjc.A.dylib:x86_64h+0x14db) (BuildId: dad8610317e93016930d02cad81a5ed932000000200000000100000000050c00)
      #6 0x113dc11fa in invocation function for block in dyld4::RuntimeState::setObjCNotifiers(void (*)(unsigned int, char const* const*, mach_header const* const*), void (*)(char const*, mach_header const*), void (*)(char const*, mach_header const*))+0x112 (dyld:x86_64+0xf1fa) (BuildId: f71fb3ca5fcc35779457b047888a46d132000000200000000100000000050c00)
      #7 0x113dbc6c8 in dyld4::RuntimeState::withLoadersReadLock(void () block_pointer)+0x28 (dyld:x86_64+0xa6c8) (BuildId: f71fb3ca5fcc35779457b047888a46d132000000200000000100000000050c00)
      #8 0x113dc10e1 in dyld4::RuntimeState::setObjCNotifiers(void (*)(unsigned int, char const* const*, mach_header const* const*), void (*)(char const*, mach_header const*), void (*)(char const*, mach_header const*))+0x51 (dyld:x86_64+0xf0e1) (BuildId: f71fb3ca5fcc35779457b047888a46d132000000200000000100000000050c00)
      #9 0x113dd4d44 in dyld4::APIs::_dyld_objc_notify_register(void (*)(unsigned int, char const* const*, mach_header const* const*), void (*)(char const*, mach_header const*), void (*)(char const*, mach_header const*))+0x4e (dyld:x86_64+0x22d44) (BuildId: f71fb3ca5fcc35779457b047888a46d132000000200000000100000000050c00)
      #10 0x7ff801b38343 in _objc_init+0x4fe (libobjc.A.dylib:x86_64h+0x1343) (BuildId: dad8610317e93016930d02cad81a5ed932000000200000000100000000050c00)
      #11 0x7ff801af2992 in _os_object_init+0xc (libdispatch.dylib:x86_64+0x2992) (BuildId: 5115c8efbc5732db91c671b61a79966e32000000200000000100000000050c00)
      #12 0x7ff801b001b7 in libdispatch_init+0x136 (libdispatch.dylib:x86_64+0x101b7) (BuildId: 5115c8efbc5732db91c671b61a79966e32000000200000000100000000050c00)
      #13 0x7ff80caa4894 in libSystem_initializer+0xed (libSystem.B.dylib:x86_64+0x1894) (BuildId: ba73a734cc563c50a9c8513b34b3726932000000200000000100000000050c00)
      #14 0x113dc6e4e in invocation function for block in dyld4::Loader::findAndRunAllInitializers(dyld4::RuntimeState&) const+0xb5 (dyld:x86_64+0x14e4e) (BuildId: f71fb3ca5fcc35779457b047888a46d132000000200000000100000000050c00)
      #15 0x113dedaac in invocation function for block in dyld3::MachOAnalyzer::forEachInitializer(Diagnostics&, dyld3::MachOAnalyzer::VMAddrConverter const&, void (unsigned int) block_pointer, void const*) const+0xf1 (dyld:x86_64+0x3baac) (BuildId: f71fb3ca5fcc35779457b047888a46d132000000200000000100000000050c00)
      #16 0x113de4e25 in invocation function for block in dyld3::MachOFile::forEachSection(void (dyld3::MachOFile::SectionInfo const&, bool, bool&) block_pointer) const+0x22c (dyld:x86_64+0x32e25) (BuildId: f71fb3ca5fcc35779457b047888a46d132000000200000000100000000050c00)
      #17 0x113db3db2 in dyld3::MachOFile::forEachLoadCommand(Diagnostics&, void (load_command const*, bool&) block_pointer) const+0x80 (dyld:x86_64+0x1db2) (BuildId: f71fb3ca5fcc35779457b047888a46d132000000200000000100000000050c00)
      #18 0x113de4bb6 in dyld3::MachOFile::forEachSection(void (dyld3::MachOFile::SectionInfo const&, bool, bool&) block_pointer) const+0xb2 (dyld:x86_64+0x32bb6) (BuildId: f71fb3ca5fcc35779457b047888a46d132000000200000000100000000050c00)
      #19 0x113ded603 in dyld3::MachOAnalyzer::forEachInitializer(Diagnostics&, dyld3::MachOAnalyzer::VMAddrConverter const&, void (unsigned int) block_pointer, void const*) const+0x1d1 (dyld:x86_64+0x3b603) (BuildId: f71fb3ca5fcc35779457b047888a46d132000000200000000100000000050c00)
      #20 0x113dc6d81 in dyld4::Loader::findAndRunAllInitializers(dyld4::RuntimeState&) const+0x8f (dyld:x86_64+0x14d81) (BuildId: f71fb3ca5fcc35779457b047888a46d132000000200000000100000000050c00)
      #21 0x113dcd659 in dyld4::PrebuiltLoader::runInitializers(dyld4::RuntimeState&) const+0x1d (dyld:x86_64+0x1b659) (BuildId: f71fb3ca5fcc35779457b047888a46d132000000200000000100000000050c00)
      #22 0x113dda76d in dyld4::APIs::runAllInitializersForMain()+0x25 (dyld:x86_64+0x2876d) (BuildId: f71fb3ca5fcc35779457b047888a46d132000000200000000100000000050c00)
      #23 0x113db838c in dyld4::prepare(dyld4::APIs&, dyld3::MachOAnalyzer const*)+0xd72 (dyld:x86_64+0x638c) (BuildId: f71fb3ca5fcc35779457b047888a46d132000000200000000100000000050c00)
      #24 0x113db74e3 in start+0x183 (dyld:x86_64+0x54e3) (BuildId: f71fb3ca5fcc35779457b047888a46d132000000200000000100000000050c00)

  Direct leak of 160 byte(s) in 5 object(s) allocated from:
      #0 0x1055697fd in wrap_calloc+0x5d (librustc-nightly_rt.lsan.dylib:x86_64+0xb7fd) (BuildId: 8c28f22865823830a53915a56e9223bb240000001000000000070a0000010c00)
      #1 0x7ff801b3b84f in realizeClassWithoutSwift(objc_class*, objc_class*)+0x88 (libobjc.A.dylib:x86_64h+0x484f) (BuildId: dad8610317e93016930d02cad81a5ed932000000200000000100000000050c00)
      #2 0x7ff801b3b8f8 in realizeClassWithoutSwift(objc_class*, objc_class*)+0x131 (libobjc.A.dylib:x86_64h+0x48f8) (BuildId: dad8610317e93016930d02cad81a5ed932000000200000000100000000050c00)
      #3 0x7ff801b39b59 in map_images_nolock+0x161b (libobjc.A.dylib:x86_64h+0x2b59) (BuildId: dad8610317e93016930d02cad81a5ed932000000200000000100000000050c00)
      #4 0x7ff801b384db in map_images+0x42 (libobjc.A.dylib:x86_64h+0x14db) (BuildId: dad8610317e93016930d02cad81a5ed932000000200000000100000000050c00)
      #5 0x113dc11fa in invocation function for block in dyld4::RuntimeState::setObjCNotifiers(void (*)(unsigned int, char const* const*, mach_header const* const*), void (*)(char const*, mach_header const*), void (*)(char const*, mach_header const*))+0x112 (dyld:x86_64+0xf1fa) (BuildId: f71fb3ca5fcc35779457b047888a46d132000000200000000100000000050c00)
      #6 0x113dbc6c8 in dyld4::RuntimeState::withLoadersReadLock(void () block_pointer)+0x28 (dyld:x86_64+0xa6c8) (BuildId: f71fb3ca5fcc35779457b047888a46d132000000200000000100000000050c00)
      #7 0x113dc10e1 in dyld4::RuntimeState::setObjCNotifiers(void (*)(unsigned int, char const* const*, mach_header const* const*), void (*)(char const*, mach_header const*), void (*)(char const*, mach_header const*))+0x51 (dyld:x86_64+0xf0e1) (BuildId: f71fb3ca5fcc35779457b047888a46d132000000200000000100000000050c00)
      #8 0x113dd4d44 in dyld4::APIs::_dyld_objc_notify_register(void (*)(unsigned int, char const* const*, mach_header const* const*), void (*)(char const*, mach_header const*), void (*)(char const*, mach_header const*))+0x4e (dyld:x86_64+0x22d44) (BuildId: f71fb3ca5fcc35779457b047888a46d132000000200000000100000000050c00)
      #9 0x7ff801b38343 in _objc_init+0x4fe (libobjc.A.dylib:x86_64h+0x1343) (BuildId: dad8610317e93016930d02cad81a5ed932000000200000000100000000050c00)
      #10 0x7ff801af2992 in _os_object_init+0xc (libdispatch.dylib:x86_64+0x2992) (BuildId: 5115c8efbc5732db91c671b61a79966e32000000200000000100000000050c00)
      #11 0x7ff801b001b7 in libdispatch_init+0x136 (libdispatch.dylib:x86_64+0x101b7) (BuildId: 5115c8efbc5732db91c671b61a79966e32000000200000000100000000050c00)
      #12 0x7ff80caa4894 in libSystem_initializer+0xed (libSystem.B.dylib:x86_64+0x1894) (BuildId: ba73a734cc563c50a9c8513b34b3726932000000200000000100000000050c00)
      #13 0x113dc6e4e in invocation function for block in dyld4::Loader::findAndRunAllInitializers(dyld4::RuntimeState&) const+0xb5 (dyld:x86_64+0x14e4e) (BuildId: f71fb3ca5fcc35779457b047888a46d132000000200000000100000000050c00)
      #14 0x113dedaac in invocation function for block in dyld3::MachOAnalyzer::forEachInitializer(Diagnostics&, dyld3::MachOAnalyzer::VMAddrConverter const&, void (unsigned int) block_pointer, void const*) const+0xf1 (dyld:x86_64+0x3baac) (BuildId: f71fb3ca5fcc35779457b047888a46d132000000200000000100000000050c00)
      #15 0x113de4e25 in invocation function for block in dyld3::MachOFile::forEachSection(void (dyld3::MachOFile::SectionInfo const&, bool, bool&) block_pointer) const+0x22c (dyld:x86_64+0x32e25) (BuildId: f71fb3ca5fcc35779457b047888a46d132000000200000000100000000050c00)
      #16 0x113db3db2 in dyld3::MachOFile::forEachLoadCommand(Diagnostics&, void (load_command const*, bool&) block_pointer) const+0x80 (dyld:x86_64+0x1db2) (BuildId: f71fb3ca5fcc35779457b047888a46d132000000200000000100000000050c00)
      #17 0x113de4bb6 in dyld3::MachOFile::forEachSection(void (dyld3::MachOFile::SectionInfo const&, bool, bool&) block_pointer) const+0xb2 (dyld:x86_64+0x32bb6) (BuildId: f71fb3ca5fcc35779457b047888a46d132000000200000000100000000050c00)
      #18 0x113ded603 in dyld3::MachOAnalyzer::forEachInitializer(Diagnostics&, dyld3::MachOAnalyzer::VMAddrConverter const&, void (unsigned int) block_pointer, void const*) const+0x1d1 (dyld:x86_64+0x3b603) (BuildId: f71fb3ca5fcc35779457b047888a46d132000000200000000100000000050c00)
      #19 0x113dc6d81 in dyld4::Loader::findAndRunAllInitializers(dyld4::RuntimeState&) const+0x8f (dyld:x86_64+0x14d81) (BuildId: f71fb3ca5fcc35779457b047888a46d132000000200000000100000000050c00)
      #20 0x113dcd659 in dyld4::PrebuiltLoader::runInitializers(dyld4::RuntimeState&) const+0x1d (dyld:x86_64+0x1b659) (BuildId: f71fb3ca5fcc35779457b047888a46d132000000200000000100000000050c00)
      #21 0x113dda76d in dyld4::APIs::runAllInitializersForMain()+0x25 (dyld:x86_64+0x2876d) (BuildId: f71fb3ca5fcc35779457b047888a46d132000000200000000100000000050c00)
      #22 0x113db838c in dyld4::prepare(dyld4::APIs&, dyld3::MachOAnalyzer const*)+0xd72 (dyld:x86_64+0x638c) (BuildId: f71fb3ca5fcc35779457b047888a46d132000000200000000100000000050c00)
      #23 0x113db74e3 in start+0x183 (dyld:x86_64+0x54e3) (BuildId: f71fb3ca5fcc35779457b047888a46d132000000200000000100000000050c00)

  Direct leak of 32 byte(s) in 1 object(s) allocated from:
      #0 0x1055697fd in wrap_calloc+0x5d (librustc-nightly_rt.lsan.dylib:x86_64+0xb7fd) (BuildId: 8c28f22865823830a53915a56e9223bb240000001000000000070a0000010c00)
      #1 0x7ff801b3b84f in realizeClassWithoutSwift(objc_class*, objc_class*)+0x88 (libobjc.A.dylib:x86_64h+0x484f) (BuildId: dad8610317e93016930d02cad81a5ed932000000200000000100000000050c00)
      #2 0x7ff801b3b91b in realizeClassWithoutSwift(objc_class*, objc_class*)+0x154 (libobjc.A.dylib:x86_64h+0x491b) (BuildId: dad8610317e93016930d02cad81a5ed932000000200000000100000000050c00)
      #3 0x7ff801b3b8f8 in realizeClassWithoutSwift(objc_class*, objc_class*)+0x131 (libobjc.A.dylib:x86_64h+0x48f8) (BuildId: dad8610317e93016930d02cad81a5ed932000000200000000100000000050c00)
      #4 0x7ff801b3b8f8 in realizeClassWithoutSwift(objc_class*, objc_class*)+0x131 (libobjc.A.dylib:x86_64h+0x48f8) (BuildId: dad8610317e93016930d02cad81a5ed932000000200000000100000000050c00)
      #5 0x7ff801b39b59 in map_images_nolock+0x161b (libobjc.A.dylib:x86_64h+0x2b59) (BuildId: dad8610317e93016930d02cad81a5ed932000000200000000100000000050c00)
      #6 0x7ff801b384db in map_images+0x42 (libobjc.A.dylib:x86_64h+0x14db) (BuildId: dad8610317e93016930d02cad81a5ed932000000200000000100000000050c00)
      #7 0x113dc11fa in invocation function for block in dyld4::RuntimeState::setObjCNotifiers(void (*)(unsigned int, char const* const*, mach_header const* const*), void (*)(char const*, mach_header const*), void (*)(char const*, mach_header const*))+0x112 (dyld:x86_64+0xf1fa) (BuildId: f71fb3ca5fcc35779457b047888a46d132000000200000000100000000050c00)
      #8 0x113dbc6c8 in dyld4::RuntimeState::withLoadersReadLock(void () block_pointer)+0x28 (dyld:x86_64+0xa6c8) (BuildId: f71fb3ca5fcc35779457b047888a46d132000000200000000100000000050c00)
      #9 0x113dc10e1 in dyld4::RuntimeState::setObjCNotifiers(void (*)(unsigned int, char const* const*, mach_header const* const*), void (*)(char const*, mach_header const*), void (*)(char const*, mach_header const*))+0x51 (dyld:x86_64+0xf0e1) (BuildId: f71fb3ca5fcc35779457b047888a46d132000000200000000100000000050c00)
      #10 0x113dd4d44 in dyld4::APIs::_dyld_objc_notify_register(void (*)(unsigned int, char const* const*, mach_header const* const*), void (*)(char const*, mach_header const*), void (*)(char const*, mach_header const*))+0x4e (dyld:x86_64+0x22d44) (BuildId: f71fb3ca5fcc35779457b047888a46d132000000200000000100000000050c00)
      #11 0x7ff801b38343 in _objc_init+0x4fe (libobjc.A.dylib:x86_64h+0x1343) (BuildId: dad8610317e93016930d02cad81a5ed932000000200000000100000000050c00)
      #12 0x7ff801af2992 in _os_object_init+0xc (libdispatch.dylib:x86_64+0x2992) (BuildId: 5115c8efbc5732db91c671b61a79966e32000000200000000100000000050c00)
      #13 0x7ff801b001b7 in libdispatch_init+0x136 (libdispatch.dylib:x86_64+0x101b7) (BuildId: 5115c8efbc5732db91c671b61a79966e32000000200000000100000000050c00)
      #14 0x7ff80caa4894 in libSystem_initializer+0xed (libSystem.B.dylib:x86_64+0x1894) (BuildId: ba73a734cc563c50a9c8513b34b3726932000000200000000100000000050c00)
      #15 0x113dc6e4e in invocation function for block in dyld4::Loader::findAndRunAllInitializers(dyld4::RuntimeState&) const+0xb5 (dyld:x86_64+0x14e4e) (BuildId: f71fb3ca5fcc35779457b047888a46d132000000200000000100000000050c00)
      #16 0x113dedaac in invocation function for block in dyld3::MachOAnalyzer::forEachInitializer(Diagnostics&, dyld3::MachOAnalyzer::VMAddrConverter const&, void (unsigned int) block_pointer, void const*) const+0xf1 (dyld:x86_64+0x3baac) (BuildId: f71fb3ca5fcc35779457b047888a46d132000000200000000100000000050c00)
      #17 0x113de4e25 in invocation function for block in dyld3::MachOFile::forEachSection(void (dyld3::MachOFile::SectionInfo const&, bool, bool&) block_pointer) const+0x22c (dyld:x86_64+0x32e25) (BuildId: f71fb3ca5fcc35779457b047888a46d132000000200000000100000000050c00)
      #18 0x113db3db2 in dyld3::MachOFile::forEachLoadCommand(Diagnostics&, void (load_command const*, bool&) block_pointer) const+0x80 (dyld:x86_64+0x1db2) (BuildId: f71fb3ca5fcc35779457b047888a46d132000000200000000100000000050c00)
      #19 0x113de4bb6 in dyld3::MachOFile::forEachSection(void (dyld3::MachOFile::SectionInfo const&, bool, bool&) block_pointer) const+0xb2 (dyld:x86_64+0x32bb6) (BuildId: f71fb3ca5fcc35779457b047888a46d132000000200000000100000000050c00)
      #20 0x113ded603 in dyld3::MachOAnalyzer::forEachInitializer(Diagnostics&, dyld3::MachOAnalyzer::VMAddrConverter const&, void (unsigned int) block_pointer, void const*) const+0x1d1 (dyld:x86_64+0x3b603) (BuildId: f71fb3ca5fcc35779457b047888a46d132000000200000000100000000050c00)
      #21 0x113dc6d81 in dyld4::Loader::findAndRunAllInitializers(dyld4::RuntimeState&) const+0x8f (dyld:x86_64+0x14d81) (BuildId: f71fb3ca5fcc35779457b047888a46d132000000200000000100000000050c00)
      #22 0x113dcd659 in dyld4::PrebuiltLoader::runInitializers(dyld4::RuntimeState&) const+0x1d (dyld:x86_64+0x1b659) (BuildId: f71fb3ca5fcc35779457b047888a46d132000000200000000100000000050c00)
      #23 0x113dda76d in dyld4::APIs::runAllInitializersForMain()+0x25 (dyld:x86_64+0x2876d) (BuildId: f71fb3ca5fcc35779457b047888a46d132000000200000000100000000050c00)
      #24 0x113db838c in dyld4::prepare(dyld4::APIs&, dyld3::MachOAnalyzer const*)+0xd72 (dyld:x86_64+0x638c) (BuildId: f71fb3ca5fcc35779457b047888a46d132000000200000000100000000050c00)
      #25 0x113db74e3 in start+0x183 (dyld:x86_64+0x54e3) (BuildId: f71fb3ca5fcc35779457b047888a46d132000000200000000100000000050c00)

  Direct leak of 32 byte(s) in 1 object(s) allocated from:
      #0 0x1055697fd in wrap_calloc+0x5d (librustc-nightly_rt.lsan.dylib:x86_64+0xb7fd) (BuildId: 8c28f22865823830a53915a56e9223bb240000001000000000070a0000010c00)
      #1 0x7ff801b3b84f in realizeClassWithoutSwift(objc_class*, objc_class*)+0x88 (libobjc.A.dylib:x86_64h+0x484f) (BuildId: dad8610317e93016930d02cad81a5ed932000000200000000100000000050c00)
      #2 0x7ff801b3b8f8 in realizeClassWithoutSwift(objc_class*, objc_class*)+0x131 (libobjc.A.dylib:x86_64h+0x48f8) (BuildId: dad8610317e93016930d02cad81a5ed932000000200000000100000000050c00)
      #3 0x7ff801b3b8f8 in realizeClassWithoutSwift(objc_class*, objc_class*)+0x131 (libobjc.A.dylib:x86_64h+0x48f8) (BuildId: dad8610317e93016930d02cad81a5ed932000000200000000100000000050c00)
      #4 0x7ff801b39b59 in map_images_nolock+0x161b (libobjc.A.dylib:x86_64h+0x2b59) (BuildId: dad8610317e93016930d02cad81a5ed932000000200000000100000000050c00)
      #5 0x7ff801b384db in map_images+0x42 (libobjc.A.dylib:x86_64h+0x14db) (BuildId: dad8610317e93016930d02cad81a5ed932000000200000000100000000050c00)
      #6 0x113dc11fa in invocation function for block in dyld4::RuntimeState::setObjCNotifiers(void (*)(unsigned int, char const* const*, mach_header const* const*), void (*)(char const*, mach_header const*), void (*)(char const*, mach_header const*))+0x112 (dyld:x86_64+0xf1fa) (BuildId: f71fb3ca5fcc35779457b047888a46d132000000200000000100000000050c00)
      #7 0x113dbc6c8 in dyld4::RuntimeState::withLoadersReadLock(void () block_pointer)+0x28 (dyld:x86_64+0xa6c8) (BuildId: f71fb3ca5fcc35779457b047888a46d132000000200000000100000000050c00)
      #8 0x113dc10e1 in dyld4::RuntimeState::setObjCNotifiers(void (*)(unsigned int, char const* const*, mach_header const* const*), void (*)(char const*, mach_header const*), void (*)(char const*, mach_header const*))+0x51 (dyld:x86_64+0xf0e1) (BuildId: f71fb3ca5fcc35779457b047888a46d132000000200000000100000000050c00)
      #9 0x113dd4d44 in dyld4::APIs::_dyld_objc_notify_register(void (*)(unsigned int, char const* const*, mach_header const* const*), void (*)(char const*, mach_header const*), void (*)(char const*, mach_header const*))+0x4e (dyld:x86_64+0x22d44) (BuildId: f71fb3ca5fcc35779457b047888a46d132000000200000000100000000050c00)
      #10 0x7ff801b38343 in _objc_init+0x4fe (libobjc.A.dylib:x86_64h+0x1343) (BuildId: dad8610317e93016930d02cad81a5ed932000000200000000100000000050c00)
      #11 0x7ff801af2992 in _os_object_init+0xc (libdispatch.dylib:x86_64+0x2992) (BuildId: 5115c8efbc5732db91c671b61a79966e32000000200000000100000000050c00)
      #12 0x7ff801b001b7 in libdispatch_init+0x136 (libdispatch.dylib:x86_64+0x101b7) (BuildId: 5115c8efbc5732db91c671b61a79966e32000000200000000100000000050c00)
      #13 0x7ff80caa4894 in libSystem_initializer+0xed (libSystem.B.dylib:x86_64+0x1894) (BuildId: ba73a734cc563c50a9c8513b34b3726932000000200000000100000000050c00)
      #14 0x113dc6e4e in invocation function for block in dyld4::Loader::findAndRunAllInitializers(dyld4::RuntimeState&) const+0xb5 (dyld:x86_64+0x14e4e) (BuildId: f71fb3ca5fcc35779457b047888a46d132000000200000000100000000050c00)
      #15 0x113dedaac in invocation function for block in dyld3::MachOAnalyzer::forEachInitializer(Diagnostics&, dyld3::MachOAnalyzer::VMAddrConverter const&, void (unsigned int) block_pointer, void const*) const+0xf1 (dyld:x86_64+0x3baac) (BuildId: f71fb3ca5fcc35779457b047888a46d132000000200000000100000000050c00)
      #16 0x113de4e25 in invocation function for block in dyld3::MachOFile::forEachSection(void (dyld3::MachOFile::SectionInfo const&, bool, bool&) block_pointer) const+0x22c (dyld:x86_64+0x32e25) (BuildId: f71fb3ca5fcc35779457b047888a46d132000000200000000100000000050c00)
      #17 0x113db3db2 in dyld3::MachOFile::forEachLoadCommand(Diagnostics&, void (load_command const*, bool&) block_pointer) const+0x80 (dyld:x86_64+0x1db2) (BuildId: f71fb3ca5fcc35779457b047888a46d132000000200000000100000000050c00)
      #18 0x113de4bb6 in dyld3::MachOFile::forEachSection(void (dyld3::MachOFile::SectionInfo const&, bool, bool&) block_pointer) const+0xb2 (dyld:x86_64+0x32bb6) (BuildId: f71fb3ca5fcc35779457b047888a46d132000000200000000100000000050c00)
      #19 0x113ded603 in dyld3::MachOAnalyzer::forEachInitializer(Diagnostics&, dyld3::MachOAnalyzer::VMAddrConverter const&, void (unsigned int) block_pointer, void const*) const+0x1d1 (dyld:x86_64+0x3b603) (BuildId: f71fb3ca5fcc35779457b047888a46d132000000200000000100000000050c00)
      #20 0x113dc6d81 in dyld4::Loader::findAndRunAllInitializers(dyld4::RuntimeState&) const+0x8f (dyld:x86_64+0x14d81) (BuildId: f71fb3ca5fcc35779457b047888a46d132000000200000000100000000050c00)
      #21 0x113dcd659 in dyld4::PrebuiltLoader::runInitializers(dyld4::RuntimeState&) const+0x1d (dyld:x86_64+0x1b659) (BuildId: f71fb3ca5fcc35779457b047888a46d132000000200000000100000000050c00)
      #22 0x113dda76d in dyld4::APIs::runAllInitializersForMain()+0x25 (dyld:x86_64+0x2876d) (BuildId: f71fb3ca5fcc35779457b047888a46d132000000200000000100000000050c00)
      #23 0x113db838c in dyld4::prepare(dyld4::APIs&, dyld3::MachOAnalyzer const*)+0xd72 (dyld:x86_64+0x638c) (BuildId: f71fb3ca5fcc35779457b047888a46d132000000200000000100000000050c00)
      #24 0x113db74e3 in start+0x183 (dyld:x86_64+0x54e3) (BuildId: f71fb3ca5fcc35779457b047888a46d132000000200000000100000000050c00)

  SUMMARY: LeakSanitizer: 4160 byte(s) leaked in 130 allocation(s).

Originally posted by @lopopolo in #50 (comment)
@lopopolo lopopolo mentioned this issue Aug 14, 2022
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After some investigation in #54 (comment), #54 (comment), #54 (comment), and #54 (comment), I believe this to be not this crate's bug.

The leaks come from deep within the objective-c runtime and are out of scope. Closing as not actionable.

@lopopolo lopopolo closed this as not planned Won't fix, can't repro, duplicate, stale Aug 15, 2022
@lopopolo lopopolo added the Tier-1 Rust Tier-1 platform label Oct 1, 2022
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