将这个表达式化简可以得到(addr & 0x7) + size - 1 >= memToShadow(addr). 此外也可以证明,在访问到 redzone 时memToShadow(addr)为负数,表达式恒成立。 在第2 种情况下,由于访问的字节数已经大于等于 8 了,所以可以直接检测对应的memToShadow(addr)的值,如果不为 0 那么一定是有问题的。 综上,可以用...
用msvc debugger run的时候启动crash, callstack如下 > ntdll.dll!memset() Unknown Non-user code. Symbols loaded. clang_rt.asan_dbg_dynamic-x86_64.dll!__asan::PoisonShadow(unsigned __int64,unsigned __int64,unsigned char) Unknown Non-user code. Symbols loaded. clang_rt.asan_dbg_dynamic-x86_64...
VfCoreStandardDllEntryPointRoutine(void *,unsigned long,struct _CONTEXT *) Unknown Non-user code. Symbols loaded. ntdll.dll!LdrpCallInitRoutine() Unknown Non-user code. Symbols loaded. ntdll.dll!LdrpInitializeNode() Unknown Non-user code. Symbols loaded. ntdll.dll!LdrpInitializeGraphRecurse() Unkn...
it seems that memory operation of map_ has some problem in this simple example. the location that lldb catch the crash
overflow-checks = true panic = "abort" debug = true compiling zed with address sanitizer + nightly compiler rustup default nightly rustup component add rust-src --toolchain nightly-x86_64-unknown-linux-gnu rustup component add llvm-tools-preview --toolchain nightly-x86_64-unknown-linux-gnu ...
execute the tiffinfo binary with the following options and the crafted TIFF POC image: ./tiffinfo -f lsb2msb -Dcdjrsz crash.tif TIFFReadDirectoryCheckOrder: Warning, Invalid TIFF directory; tags are not sorted in ascending order. TIFFReadDirectory: Warning, Unknown field with tag 18770 (0x49...
用msvc debugger run的时候启动crash, callstack如下 > ntdll.dll!memset () Unknown Non-user code. Symbols loaded. clang_rt.asan_dbg_dynamic-x86_64.dll!__asan::PoisonShadow(unsigned __int64,unsigned __int64,unsigned char) Unknown Non-user code. Symbols loaded. ...
Description Using DJI Fly software for RTMP streaming ERROR: AddressSanitizer: heap-buffer-overflow AddressSanitizer:DEADLYSIGNAL AddressSanitizer: nested bug in the same thread, aborting Both SRS/5.0.148 and SRS/4 have this issue. SRS L...
AddressSanitizer:DEADLYSIGNAL === ==96038==ERROR: AddressSanitizer: SEGV on unknown address (pc 0x55c38d8dd996 bp 0x7ffd16534090 sp 0x7ffd16534020 T0) ==96038==The signal is caused by a READ memory access. ==96038==Hint: this fault was caused by a dereference of a high value addres...
SUMMARY: AddressSanitizer: SEGV (<unknown module>) ==919440==ABORTING More info: $ ldd ./a.out # this one crashes linux-vdso.so.1 (0x00007ffc6537a000) libc.so.6 => /lib/x86_64-linux-gnu/libc.so.6 (0x00007f77efcbf000) libm.so.6 => /lib/x86_64-linux-gnu/libm.so.6 (0x...