``↵
`~~~~~`↵
`Your code here...`↵
`~~~~~`↵
``↵
``↵
~~~~~↵
Your code here...↵
~~~~~↵
↵
While solving a problem I encountered this error.Please do tell me about it.↵
↵
↵
Diagnostics detected issues [cpp.clang++-diagnose]: =================================================================↵
==3928==ERROR: AddressSanitizer: stack-buffer-overflow on address 0x10a4f4b9 at pc 0x002d6b50 bp 0x10a4f454 sp 0x10a4f450↵
READ of size 1 at 0x10a4f4b9 thread T0↵
#0 0x2d6b4f in main K:\ramdisk\codeforces61\084a7895c7304a4b261436133de17384\compile-ccca5514d227160def28ee6184b6a6e2\p71.cpp:166↵
#1 0x34f7ff in __scrt_common_main_seh f:\dd\vctools\crt\vcstartup\src\startup\exe_common.inl:283↵
#2 0x7687343c in BaseThreadInitThunk+0x11 (C:\Windows\syswow64\kernel32.dll+0x1343c)↵
#3 0x774e9831 in RtlInitializeExceptionChain+0x62 (C:\Windows\SysWOW64\ntdll.dll+0x39831)↵
#4 0x774e9804 in RtlInitializeExceptionChain+0x35 (C:\Windows\SysWOW64\ntdll.dll+0x39804)↵
↵
Address 0x10a4f4b9 is located in stack of thread T0 at offset 89 in frame↵
#0 0x2d504f in main K:\ramdisk\codeforces61\084a7895c7304a4b261436133de17384\compile-ccca5514d227160def28ee6184b6a6e2\p71.cpp:124↵
↵
This frame has 7 object(s):↵
[16, 20) 't' (line 127)↵
[32, 36) 'n' (line 131)↵
[48, 52) 'k' (line 131)↵
[64, 88) 'a' (line 133) <== Memory access at offset 89 overflows this variable↵
[128, 152) 'b' (line 133)↵
[192, 300) 'ca' (line 135)↵
[336, 444) 'cb' (line 136)↵
HINT: this may be a false positive if your program uses some custom stack unwind mechanism, swapcontext or vfork↵
(longjmp, SEH and C++ exceptions *are* supported)↵
SUMMARY: AddressSanitizer: stack-buffer-overflow K:\ramdisk\codeforces61\084a7895c7304a4b261436133de17384\compile-ccca5514d227160def28ee6184b6a6e2\p71.cpp:166 in main↵
Shadow bytes around the buggy address:↵
0x32149e40: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00↵
0x32149e50: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00↵
0x32149e60: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00↵
0x32149e70: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00↵
0x32149e80: 00 00 00 00 00 00 00 00 00 00 00 00 f1 f1 04 f2↵
=>0x32149e90: 04 f2 04 f2 00 00 00[f2]f2 f2 f2 f2 00 00 00 f2↵
0x32149ea0: f2 f2 f2 f2 00 00 00 00 00 00 00 00 00 00 00 00↵
0x32149eb0: 00 04 f2 f2 f2 f2 00 00 00 00 00 00 00 00 00 00↵
0x32149ec0: 00 00 00 04 f3 f3 f3 f3 00 00 00 00 00 00 00 00↵
0x32149ed0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00↵
0x32149ee0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00↵
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↵
Freed heap region: fd↵
Stack left redzone: f1↵
Stack mid redzone: f2↵
Stack right redzone: f3↵
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↵
Shadow gap: cc↵
==3928==ABORTING
`~~~~~`↵
`Your code here...`↵
`~~~~~`↵
``↵
``↵
~~~~~↵
Your code here...↵
~~~~~↵
↵
While solving a problem I encountered this error.Please do tell me about it.↵
↵
↵
Diagnostics detected issues [cpp.clang++-diagnose]: =================================================================↵
==3928==ERROR: AddressSanitizer: stack-buffer-overflow on address 0x10a4f4b9 at pc 0x002d6b50 bp 0x10a4f454 sp 0x10a4f450↵
READ of size 1 at 0x10a4f4b9 thread T0↵
#0 0x2d6b4f in main K:\ramdisk\codeforces61\084a7895c7304a4b261436133de17384\compile-ccca5514d227160def28ee6184b6a6e2\p71.cpp:166↵
#1 0x34f7ff in __scrt_common_main_seh f:\dd\vctools\crt\vcstartup\src\startup\exe_common.inl:283↵
#2 0x7687343c in BaseThreadInitThunk+0x11 (C:\Windows\syswow64\kernel32.dll+0x1343c)↵
#3 0x774e9831 in RtlInitializeExceptionChain+0x62 (C:\Windows\SysWOW64\ntdll.dll+0x39831)↵
#4 0x774e9804 in RtlInitializeExceptionChain+0x35 (C:\Windows\SysWOW64\ntdll.dll+0x39804)↵
↵
Address 0x10a4f4b9 is located in stack of thread T0 at offset 89 in frame↵
#0 0x2d504f in main K:\ramdisk\codeforces61\084a7895c7304a4b261436133de17384\compile-ccca5514d227160def28ee6184b6a6e2\p71.cpp:124↵
↵
This frame has 7 object(s):↵
[16, 20) 't' (line 127)↵
[32, 36) 'n' (line 131)↵
[48, 52) 'k' (line 131)↵
[64, 88) 'a' (line 133) <== Memory access at offset 89 overflows this variable↵
[128, 152) 'b' (line 133)↵
[192, 300) 'ca' (line 135)↵
[336, 444) 'cb' (line 136)↵
HINT: this may be a false positive if your program uses some custom stack unwind mechanism, swapcontext or vfork↵
(longjmp, SEH and C++ exceptions *are* supported)↵
SUMMARY: AddressSanitizer: stack-buffer-overflow K:\ramdisk\codeforces61\084a7895c7304a4b261436133de17384\compile-ccca5514d227160def28ee6184b6a6e2\p71.cpp:166 in main↵
Shadow bytes around the buggy address:↵
0x32149e40: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00↵
0x32149e50: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00↵
0x32149e60: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00↵
0x32149e70: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00↵
0x32149e80: 00 00 00 00 00 00 00 00 00 00 00 00 f1 f1 04 f2↵
=>0x32149e90: 04 f2 04 f2 00 00 00[f2]f2 f2 f2 f2 00 00 00 f2↵
0x32149ea0: f2 f2 f2 f2 00 00 00 00 00 00 00 00 00 00 00 00↵
0x32149eb0: 00 04 f2 f2 f2 f2 00 00 00 00 00 00 00 00 00 00↵
0x32149ec0: 00 00 00 04 f3 f3 f3 f3 00 00 00 00 00 00 00 00↵
0x32149ed0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00↵
0x32149ee0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00↵
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↵
Freed heap region: fd↵
Stack left redzone: f1↵
Stack mid redzone: f2↵
Stack right redzone: f3↵
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↵
Shadow gap: cc↵
==3928==ABORTING
