search for: find_non_zero_vshadow_byte

...ll_rodata_vshadow(uptr vs, u8 value, uptr size); // Copies potentially overlapping memory regions. void vshadow_memmove(uptr dest, uptr src, uptr size); // Returns the virtual address of the first non-zero byte in a given virtual // address range. Can also be used to test for zeroed regions. uptr find_non_zero_vshadow_byte(uptr vs, uptr size); // Explicitly releases pages that fit the specified range. void release_vshadow(uptr vs, uptr size); The Proof-of-Concept Patch ========================== To make sure the approach is feasible we have prepared a patch that fixes the Asan and Tsan RTL and instrumentation par...