{"id":22111653,"url":"https://github.com/phx/overflow","last_synced_at":"2025-10-12T23:22:34.239Z","repository":{"id":121578662,"uuid":"261002847","full_name":"phx/overflow","owner":"phx","description":"testing 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iOS Buffer Overflow Testing\n\n**LibTerm Segfault:**\n\n```sh\ncurl -skLO https://raw.githubusercontent.com/phx/overflow/master/overflow.c\nclang -v -S -emit-llvm -fno-stack-protector -o overflow.ll overflow.c\nmv overflow.ll ~/Library/bin/\n```\n\n**Example:**\n \n```\nthewatchman $ overflow\ndfgffddggf\ndgghhhhh\ndghhjjjhdffg\ndghhjjjjjfddd\nsfghhjjjjjhffdf\ndgghhhhhgfddghlli: CommandLine Error: Option 'asm-instrumentation' registered more than once!\nhhfatal error: error in backend: inconsistency in registered CommandLine options\ndddd\n\n0  libLLVM                  0x0000000129036f74 llvm::sys::PrintStackTrace(llvm::raw_ostream\u0026) + 160\n1  libLLVM                  0x0000000129037518 PrintStackTraceSignalHandler(void*) + 24\n2  libLLVM                  0x0000000129033560 llvm::sys::RunSignalHandlers() + 420\n3  libLLVM                  0x0000000129037b8c SignalHandler(int) + 528\n4  libsystem_platform.dylib 0x00000001966b6884 \u003credacted\u003e + 40\n5  libsystem_pthread.dylib  0x00000001966ba288 pthread_exit + 64\n6  ios_system               0x00000001053d10bc ios_getCommandStatus + 0\n7  clang                    0x00000001113741b0 clang::CompilerInstance::getDiagnostics() const + 0\n8  libLLVM                  0x0000000128edfa00 llvm::report_fatal_error(llvm::Twine const\u0026, bool) + 136\n9  libLLVM                  0x0000000128edf978 llvm::report_fatal_error(llvm::Twine const\u0026, bool) + 0\n10 libLLVM                  0x0000000128ea1304 (anonymous namespace)::CommandLineParser::addOption(llvm::cl::Option*, llvm::cl::SubCommand*) + 832\n11 libLLVM                  0x0000000128e90700 (anonymous namespace)::CommandLineParser::addOption(llvm::cl::Option*) + 108\n12 libLLVM                  0x0000000128e8dab4 llvm::cl::Option::addArgument() + 56\n13 lli                      0x000000011cad3328 llvm::cl::opt\u003cllvm::MCTargetOptions::AsmInstrumentation, false, llvm::cl::parser\u003cllvm::MCTargetOptions::AsmInstrumentation\u003e \u003e::done() + 36\n14 lli                      0x000000011cad3050 llvm::cl::opt\u003cllvm::MCTargetOptions::AsmInstrumentation, false, llvm::cl::parser\u003cllvm::MCTargetOptions::AsmInstrumentation\u003e \u003e::opt\u003cchar [20], llvm::cl::desc, llvm::cl::initializer\u003cllvm::MCTargetOptions::AsmInstrumentation\u003e, llvm::cl::ValuesClass\u003e(char const (\u0026) [20], llvm::cl::desc const\u0026, llvm::cl::initializer\u003cllvm::MCTargetOptions::AsmInstrumentation\u003e const\u0026, llvm::cl::ValuesClass const\u0026) + 180\n15 lli                      0x000000011ca6e78c llvm::cl::opt\u003cllvm::MCTargetOptions::AsmInstrumentation, false, llvm::cl::parser\u003cllvm::MCTargetOptions::AsmInstrumentation\u003e \u003e::opt\u003cchar [20], llvm::cl::desc, llvm::cl::initializer\u003cllvm::MCTargetOptions::AsmInstrumentation\u003e, llvm::cl::ValuesClass\u003e(char const (\u0026) [20], llvm::cl::desc const\u0026, llvm::cl::initializer\u003cllvm::MCTargetOptions::AsmInstrumentation\u003e const\u0026, llvm::cl::ValuesClass const\u0026) + 60\n16 lli                      0x000000011caf668c __cxx_global_var_init + 892\n17 lli                      0x000000011cb02038 _GLOBAL__sub_I_lli.cpp + 12\n18 libdyld.dylib            0x00000001967bbf2c \u003credacted\u003e + 136\n19 libdyld.dylib            0x00000001967ae81c \u003credacted\u003e + 96\n20 libdyld.dylib            0x00000001967bbd88 \u003credacted\u003e + 296\n21 libdyld.dylib            0x00000001967af064 \u003credacted\u003e + 92\n22 libdyld.dylib            0x00000001967bc6a0 \u003credacted\u003e + 612\n23 libdyld.dylib            0x00000001967bc2a8 \u003credacted\u003e + 848\n24 libdyld.dylib            0x00000001967bdb74 \u003credacted\u003e + 360\n25 libdyld.dylib            0x00000001967b18d8 dlopen + 108\n26 ios_system               0x00000001053d3e04 ios_system + 6912\n27 LibTerm                  0x0000000104c08270 main + 112320\n28 LibTerm                  0x0000000104c09a30 main + 118400\n29 LibTerm                  0x0000000104c080f0 main + 111936\n30 LibTerm                  0x0000000104bf3a80 main + 28368\n31 LibTerm                  0x0000000104bf3d00 main + 29008\n32 libdispatch.dylib        0x00000001966729a8 \u003credacted\u003e + 24\n33 libdispatch.dylib        0x0000000196673524 \u003credacted\u003e + 16\n34 libdispatch.dylib        0x000000019662856c \u003credacted\u003e + 684\n35 libdispatch.dylib        0x0000000196628bf8 \u003credacted\u003e + 124\n36 libsystem_pthread.dylib  0x00000001966c4b38 _pthread_wqthread + 212\n37 libsystem_pthread.dylib  0x00000001966c7740 start_wqthread + 8\n0  libLLVM                  0x0000000129036f74 llvm::sys::PrintStackTrace(llvm::raw_ostream\u0026) + 160\n1  libLLVM                  0x0000000129037518 PrintStackTraceSignalHandler(void*) + 24\n2  libLLVM                  0x0000000129033560 llvm::sys::RunSignalHandlers() + 420\n3  libLLVM                  0x0000000129037b8c SignalHandler(int) + 528\n4  libsystem_platform.dylib 0x00000001966b6884 \u003credacted\u003e + 40\n5  libsystem_pthread.dylib  0x00000001966ba288 pthread_exit + 64\n6  ios_system               0x00000001053d10bc ios_getCommandStatus + 0\n7  clang                    0x00000001113741b0 clang::CompilerInstance::getDiagnostics() const + 0\n8  libLLVM                  0x0000000128edfa00 llvm::report_fatal_error(llvm::Twine const\u0026, bool) + 136\n9  libLLVM                  0x0000000128edf978 llvm::report_fatal_error(llvm::Twine const\u0026, bool) + 0\n10 libLLVM                  0x0000000128ea1304 (anonymous namespace)::CommandLineParser::addOption(llvm::cl::Option*, llvm::cl::SubCommand*) + 832\n11 libLLVM                  0x0000000128e90700 (anonymous namespace)::CommandLineParser::addOption(llvm::cl::Option*) + 108\n12 libLLVM                  0x0000000128e8dab4 llvm::cl::Option::addArgument() + 56\n13 lli                      0x000000011cad3328 llvm::cl::opt\u003cllvm::MCTargetOptions::AsmInstrumentation, false, llvm::cl::parser\u003cllvm::MCTargetOptions::AsmInstrumentation\u003e \u003e::done() + 36\n14 lli                      0x000000011cad3050 llvm::cl::opt\u003cllvm::MCTargetOptions::AsmInstrumentation, false, llvm::cl::parser\u003cllvm::MCTargetOptions::AsmInstrumentation\u003e \u003e::opt\u003cchar [20], llvm::cl::desc, llvm::cl::initializer\u003cllvm::MCTargetOptions::AsmInstrumentation\u003e, llvm::cl::ValuesClass\u003e(char const (\u0026) [20], llvm::cl::desc const\u0026, llvm::cl::initializer\u003cllvm::MCTargetOptions::AsmInstrumentation\u003e const\u0026, llvm::cl::ValuesClass const\u0026) + 180\n15 lli                      0x000000011ca6e78c llvm::cl::opt\u003cllvm::MCTargetOptions::AsmInstrumentation, false, llvm::cl::parser\u003cllvm::MCTargetOptions::AsmInstrumentation\u003e \u003e::opt\u003cchar [20], llvm::cl::desc, llvm::cl::initializer\u003cllvm::MCTargetOptions::AsmInstrumentation\u003e, llvm::cl::ValuesClass\u003e(char const (\u0026) [20], llvm::cl::desc const\u0026, llvm::cl::initializer\u003cllvm::MCTargetOptions::AsmInstrumentation\u003e const\u0026, llvm::cl::ValuesClass const\u0026) + 60\n16 lli                      0x000000011caf668c __cxx_global_var_init + 892\n17 lli                      0x000000011cb02038 _GLOBAL__sub_I_lli.cpp + 12\n18 libdyld.dylib            0x00000001967bbf2c \u003credacted\u003e + 136\n19 libdyld.dylib            0x00000001967ae81c \u003credacted\u003e + 96\n20 libdyld.dylib            0x00000001967bbd88 \u003credacted\u003e + 296\n21 libdyld.dylib            0x00000001967af064 \u003credacted\u003e + 92\n22 libdyld.dylib            0x00000001967bc6a0 \u003credacted\u003e + 612\n23 libdyld.dylib            0x00000001967bc2a8 \u003credacted\u003e + 848\n24 libdyld.dylib            0x00000001967bdb74 \u003credacted\u003e + 360\n25 libdyld.dylib            0x00000001967b18d8 dlopen + 108\n26 ios_system               0x00000001053d3e04 ios_system + 6912\n27 LibTerm                  0x0000000104c08270 main + 112320\n28 LibTerm                  0x0000000104c09a30 main + 118400\n29 LibTerm                  0x0000000104c080f0 main + 111936\n30 LibTerm                  0x0000000104bf3a80 main + 28368\n31 LibTerm                  0x0000000104bf3d00 main + 29008\n32 libdispatch.dylib        0x00000001966729a8 \u003credacted\u003e + 24\n33 libdispatch.dylib        0x0000000196673524 \u003credacted\u003e + 16\n34 libdispatch.dylib        0x000000019662856c \u003credacted\u003e + 684\n35 libdispatch.dylib        0x0000000196628bf8 \u003credacted\u003e + 124\n36 libsystem_pthread.dylib  0x00000001966c4b38 _pthread_wqthread + 212\n37 libsystem_pthread.dylib  0x00000001966c7740 start_wqthread + 8\n0  libLLVM                  0x0000000129036f74 llvm::sys::PrintStackTrace(llvm::raw_ostream\u0026) + 160\n1  libLLVM                  0x0000000129037518 PrintStackTraceSignalHandler(void*) + 24\n2  libLLVM                  0x0000000129033560 llvm::sys::RunSignalHandlers() + 420\n3  libLLVM                  0x0000000129037b8c SignalHandler(int) + 528\n4  libsystem_platform.dylib 0x00000001966b6884 \u003credacted\u003e + 40\n5  libsystem_pthread.dylib  0x00000001966ba288 pthread_exit + 64\n6  ios_system               0x00000001053d10bc ios_getCommandStatus + 0\n7  clang                    0x00000001113741b0 clang::CompilerInstance::getDiagnostics() const + 0\n8  libLLVM                  0x0000000128edfa00 llvm::report_fatal_error(llvm::Twine const\u0026, bool) + 136\n9  libLLVM                  0x0000000128edf978 llvm::report_fatal_error(llvm::Twine const\u0026, bool) + 0\n10 libLLVM                  0x0000000128ea1304 (anonymous namespace)::CommandLineParser::addOption(llvm::cl::Option*, llvm::cl::SubCommand*) + 832\n11 libLLVM                  0x0000000128e90700 (anonymous namespace)::CommandLineParser::addOption(llvm::cl::Option*) + 108\n12 libLLVM                  0x0000000128e8dab4 llvm::cl::Option::addArgument() + 56\n13 lli                      0x000000011cad3328 llvm::cl::opt\u003cllvm::MCTargetOptions::AsmInstrumentation, false, llvm::cl::parser\u003cllvm::MCTargetOptions::AsmInstrumentation\u003e \u003e::done() + 36\n14 lli                      0x000000011cad3050 llvm::cl::opt\u003cllvm::MCTargetOptions::AsmInstrumentation, false, llvm::cl::parser\u003cllvm::MCTargetOptions::AsmInstrumentation\u003e \u003e::opt\u003cchar [20], llvm::cl::desc, llvm::cl::initializer\u003cllvm::MCTargetOptions::AsmInstrumentation\u003e, llvm::cl::ValuesClass\u003e(char const (\u0026) [20], llvm::cl::desc const\u0026, llvm::cl::initializer\u003cllvm::MCTargetOptions::AsmInstrumentation\u003e const\u0026, llvm::cl::ValuesClass const\u0026) + 180\n15 lli                      0x000000011ca6e78c llvm::cl::opt\u003cllvm::MCTargetOptions::AsmInstrumentation, false, llvm::cl::parser\u003cllvm::MCTargetOptions::AsmInstrumentation\u003e \u003e::opt\u003cchar [20], llvm::cl::desc, llvm::cl::initializer\u003cllvm::MCTargetOptions::AsmInstrumentation\u003e, llvm::cl::ValuesClass\u003e(char const (\u0026) [20], llvm::cl::desc const\u0026, llvm::cl::initializer\u003cllvm::MCTargetOptions::AsmInstrumentation\u003e const\u0026, llvm::cl::ValuesClass const\u0026) + 60\n16 lli                      0x000000011caf668c __cxx_global_var_init + 892\n17 lli                      0x000000011cb02038 _GLOBAL__sub_I_lli.cpp + 12\n18 libdyld.dylib            0x00000001967bbf2c \u003credacted\u003e + 136\n19 libdyld.dylib            0x00000001967ae81c \u003credacted\u003e + 96\n20 libdyld.dylib            0x00000001967bbd88 \u003credacted\u003e + 296\n21 libdyld.dylib            0x00000001967af064 \u003credacted\u003e + 92\n22 libdyld.dylib            0x00000001967bc6a0 \u003credacted\u003e + 612\n23 libdyld.dylib            0x00000001967bc2a8 \u003credacted\u003e + 848\n24 libdyld.dylib            0x00000001967bdb74 \u003credacted\u003e + 360\n25 libdyld.dylib            0x00000001967b18d8 dlopen + 108\n26 ios_system               0x00000001053d3e04 ios_system + 6912\n27 LibTerm                  0x0000000104c08270 main + 112320\n28 LibTerm                  0x0000000104c09a30 main + 118400\n29 LibTerm                  0x0000000104c080f0 main + 111936\n30 LibTerm                  0x0000000104bf3a80 main + 28368\n31 LibTerm                  0x0000000104bf3d00 main + 29008\n32 libdispatch.dylib        0x00000001966729a8 \u003credacted\u003e + 24\n33 libdispatch.dylib        0x0000000196673524 \u003credacted\u003e + 16\n34 libdispatch.dylib        0x000000019662856c \u003credacted\u003e + 684\n35 libdispatch.dylib        0x0000000196628bf8 \u003credacted\u003e + 124\n36 libsystem_pthread.dylib  0x00000001966c4b38 _pthread_wqthread + 212\n37 libsystem_pthread.dylib  0x00000001966c7740 start_wqthread + 8\nsegmentation fault\n```\n","project_url":"https://awesome.ecosyste.ms/api/v1/projects/github.com%2Fphx%2Foverflow","html_url":"https://awesome.ecosyste.ms/projects/github.com%2Fphx%2Foverflow","lists_url":"https://awesome.ecosyste.ms/api/v1/projects/github.com%2Fphx%2Foverflow/lists"}