==1076795==ERROR: AddressSanitizer: dynamic-stack-buffer-overflow on address 0x7ffe4e6d9318 at pc 0x62c2018bcbcf bp 0x7ffe4e6d9230 sp 0x7ffe4e6d9220 WRITE of size 8 at 0x7ffe4e6d9318 thread T0 #0 0x62c2018bcbce in stack_left_limb /tmp/rbtree/rbtree.c:564 #1 0x62c2018beaf9...
take example code generate random strings and compile with sanitizers. $ gcc -fsanitize=address main.c # ./a.out === ==567==ERROR: AddressSanitizer: dynamic-stack-buffer-overflow on address 0x7ffe55e4a198 at pc 0x55b34322c058 bp 0x7ffe55e4a0e0 sp 0x7ffe55e4a0d8 WRITE of size 1...
With ASLR and NX turned on, the load base address of libc.so is random, and the attacker cannot directly execute malicious code by using the controllable memory address in the program. Take tamilctf2021_name as an example, the memory address mapping of its runtime is shown in Figure3. Th...