================================================================= ==17649==ERROR: AddressSanitizer: heap-buffer-overflow on address 0xf4d0075d at pc 0xf720f50a bp 0xfffaedf8 sp 0xfffae9c8 READ of size 3 at 0xf4d0075d thread T0 #0 0xf720f509 (/usr/lib/libasan.so.3+0x60509) #1 0x8079662 in sdb_json_set /home/egeretto/Documents/sdb_afl/sdb/src/json.c:201 #2 0x808b53c in sdb_querys /home/egeretto/Documents/sdb_afl/sdb/src/query.c:745 #3 0x8091ebd in sdb_query /home/egeretto/Documents/sdb_afl/sdb/src/query.c:826 #4 0x804a352 in main /home/egeretto/Documents/sdb_afl/sdb/src/main.c:486 #5 0xf6fec1c5 in __libc_start_main (/usr/lib/libc.so.6+0x181c5) #6 0x804c50f (/home/egeretto/Documents/sdb_afl/sdb_asan+0x804c50f) 0xf4d0075d is located 0 bytes to the right of 13-byte region [0xf4d00750,0xf4d0075d) allocated by thread T0 here: #0 0xf728e7c4 in malloc (/usr/lib/libasan.so.3+0xdf7c4) #1 0x8061823 in sdb_kv_new2 /home/egeretto/Documents/sdb_afl/sdb/src/sdb.c:524 SUMMARY: AddressSanitizer: heap-buffer-overflow (/usr/lib/libasan.so.3+0x60509) Shadow bytes around the buggy address: 0x3e9a0090: fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa 0x3e9a00a0: fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa 0x3e9a00b0: fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa 0x3e9a00c0: fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa 0x3e9a00d0: fa fa fa fa fa fa 00 06 fa fa 00 01 fa fa 00 04 =>0x3e9a00e0: fa fa 00 01 fa fa 00 04 fa fa 00[05]fa fa 02 fa 0x3e9a00f0: fa fa fd fd fa fa fd fd fa fa fd fd fa fa fd fd 0x3e9a0100: fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa 0x3e9a0110: fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa 0x3e9a0120: fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa 0x3e9a0130: fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa Shadow byte legend (one shadow byte represents 8 application bytes): Addressable: 00 Partially addressable: 01 02 03 04 05 06 07 Heap left redzone: fa Heap right redzone: fb Freed heap region: fd Stack left redzone: f1 Stack mid redzone: f2 Stack right redzone: f3 Stack partial redzone: f4 Stack after return: f5 Stack use after scope: f8 Global redzone: f9 Global init order: f6 Poisoned by user: f7 Container overflow: fc Array cookie: ac Intra object redzone: bb ASan internal: fe Left alloca redzone: ca Right alloca redzone: cb ==17649==ABORTING