diff --git a/lab6/Answer.md b/lab6/Answer.md index fabc82e6..47acc682 100644 --- a/lab6/Answer.md +++ b/lab6/Answer.md @@ -1,12 +1,43 @@ -Name: -ID: +Name: 宋泳翰 +ID: 510558002 ### Fuzz Monitor ``` - + american fuzzy lop 2.57b (bmpcomp) +┌─ process timing ─────────────────────────────────────┬─ overall results ─────┐ +│ run time : 0 days, 0 hrs, 7 min, 6 sec │ cycles done : 0 │ +│ last new path : 0 days, 0 hrs, 0 min, 21 sec │ total paths : 22 │ +│ last uniq crash : 0 days, 0 hrs, 6 min, 49 sec │ uniq crashes : 1 │ +│ last uniq hang : 0 days, 0 hrs, 3 min, 17 sec │ uniq hangs : 4 │ +├─ cycle progress ────────────────────┬─ map coverage ─┴───────────────────────┤ +│ now processing : 2 (9.09%) │ map density : 0.04% / 0.04% │ +│ paths timed out : 0 (0.00%) │ count coverage : 1.89 bits/tuple │ +├─ stage progress ────────────────────┼─ findings in depth ────────────────────┤ +│ now trying : arith 8/8 │ favored paths : 4 (18.18%) │ +│ stage execs : 224/1620 (13.83%) │ new edges on : 4 (18.18%) │ +│ total execs : 5923 │ total crashes : 588 (1 unique) │ +│ exec speed : 16.00/sec (zzzz...) │ total tmouts : 397 (8 unique) │ +├─ fuzzing strategy yields ───────────┴───────────────┬─ path geometry ────────┤ +│ bit flips : 6/384, 4/382, 2/378 │ levels : 3 │ +│ byte flips : 0/48, 0/46, 0/42 │ pending : 21 │ +│ arithmetics : 7/1341, 0/1029, 0/678 │ pend fav : 4 │ +│ known ints : 1/94, 2/365, 0/586 │ own finds : 21 │ +│ dictionary : 0/0, 0/0, 0/0 │ imported : n/a │ +│ havoc : 0/102, 0/0 │ stability : 100.00% │ +│ trim : 100.00%/40, 0.00% ├────────────────────────┘ +└─────────────────────────────────────────────────────┘ [cpu000: 88%] ``` ### Run Crash Result ``` - +size of Herder 54 +AddressSanitizer:DEADLYSIGNAL +================================================================= +==191744==ERROR: AddressSanitizer: stack-overflow on address 0x7ffe1262bfd8 (pc 0x55eb58d0eee1 bp 0x7ffe13e2cd30 sp 0x7ffe1262bfe0 T0) + #0 0x55eb58d0eee1 in main /home/dell7640/AFL/lab6/src/hw0302.c:46 + #1 0x7f1ef91666c9 in __libc_start_call_main ../sysdeps/nptl/libc_start_call_main.h:58 + #2 0x7f1ef9166784 in __libc_start_main_impl ../csu/libc-start.c:360 + #3 0x55eb58d0f8d0 in _start (/home/dell7640/AFL/lab6/src/bmpcomp+0x28d0) (BuildId: 8fee90f88958c0594408a30de9c0d884264cdd47) +SUMMARY: AddressSanitizer: stack-overflow /home/dell7640/AFL/lab6/src/hw0302.c:46 in main +==191744==ABORTING ```