그래서 난 내 코드에서 메모리 누수 오류가 점점 오전 :더블 무료 또는 손상 : C++
*** glibc detected *** ./KalmanFiltering: double free or corruption (!prev): 0x00000000015af7b0 ***
======= Backtrace: =========
/lib/x86_64-linux-gnu/libc.so.6(+0x7eb96)[0x7f0897395b96]
./KalmanFiltering[0x40654d]
/lib/x86_64-linux-gnu/libc.so.6(__libc_start_main+0xed)[0x7f089733876d]
./KalmanFiltering[0x4012b9]
======= Memory map: ========
00400000-00415000 r-xp 00000000 00:15 6312794 /home/iggy/Dropbox/Documents/Research_Work/SimpleHealth/KalmanFilter/KalmanFilter_C++/cmpfit-1.2/KalmanFiltering
00614000-00615000 r--p 00014000 00:15 6312794 /home/iggy/Dropbox/Documents/Research_Work/SimpleHealth/KalmanFilter/KalmanFilter_C++/cmpfit-1.2/KalmanFiltering
00615000-00616000 rw-p 00015000 00:15 6312794 /home/iggy/Dropbox/Documents/Research_Work/SimpleHealth/KalmanFilter/KalmanFilter_C++/cmpfit-1.2/KalmanFiltering
015ae000-01641000 rw-p 00000000 00:00 0 [heap]
7f0897317000-7f08974cc000 r-xp 00000000 08:01 421630 /lib/x86_64-linux-gnu/libc-2.15.so
7f08974cc000-7f08976cc000 ---p 001b5000 08:01 421630 /lib/x86_64-linux-gnu/libc-2.15.so
7f08976cc000-7f08976d0000 r--p 001b5000 08:01 421630 /lib/x86_64-linux-gnu/libc-2.15.so
7f08976d0000-7f08976d2000 rw-p 001b9000 08:01 421630 /lib/x86_64-linux-gnu/libc-2.15.so
7f08976d2000-7f08976d7000 rw-p 00000000 00:00 0
7f08976d7000-7f08976ec000 r-xp 00000000 08:01 395568 /lib/x86_64-linux-gnu/libgcc_s.so.1
7f08976ec000-7f08978eb000 ---p 00015000 08:01 395568 /lib/x86_64-linux-gnu/libgcc_s.so.1
7f08978eb000-7f08978ec000 r--p 00014000 08:01 395568 /lib/x86_64-linux-gnu/libgcc_s.so.1
7f08978ec000-7f08978ed000 rw-p 00015000 08:01 395568 /lib/x86_64-linux-gnu/libgcc_s.so.1
7f08978ed000-7f08979e8000 r-xp 00000000 08:01 422139 /lib/x86_64-linux-gnu/libm-2.15.so
7f08979e8000-7f0897be7000 ---p 000fb000 08:01 422139 /lib/x86_64-linux-gnu/libm-2.15.so
7f0897be7000-7f0897be8000 r--p 000fa000 08:01 422139 /lib/x86_64-linux-gnu/libm-2.15.so
7f0897be8000-7f0897be9000 rw-p 000fb000 08:01 422139 /lib/x86_64-linux-gnu/libm-2.15.so
7f0897be9000-7f0897ccb000 r-xp 00000000 08:01 531352 /usr/lib/x86_64-linux-gnu/libstdc++.so.6.0.16
7f0897ccb000-7f0897eca000 ---p 000e2000 08:01 531352 /usr/lib/x86_64-linux-gnu/libstdc++.so.6.0.16
7f0897eca000-7f0897ed2000 r--p 000e1000 08:01 531352 /usr/lib/x86_64-linux-gnu/libstdc++.so.6.0.16
7f0897ed2000-7f0897ed4000 rw-p 000e9000 08:01 531352 /usr/lib/x86_64-linux-gnu/libstdc++.so.6.0.16
7f0897ed4000-7f0897ee9000 rw-p 00000000 00:00 0
7f0897ee9000-7f0897f0b000 r-xp 00000000 08:01 422388 /lib/x86_64-linux-gnu/ld-2.15.so
7f08980a3000-7f08980ea000 rw-p 00000000 00:00 0
7f0898107000-7f089810b000 rw-p 00000000 00:00 0
7f089810b000-7f089810c000 r--p 00022000 08:01 422388 /lib/x86_64-linux-gnu/ld-2.15.so
7f089810c000-7f089810e000 rw-p 00023000 08:01 422388 /lib/x86_64-linux-gnu/ld-2.15.so
7fffc58ae000-7fffc58cf000 rw-p 00000000 00:00 0 [stack]
7fffc59af000-7fffc59b0000 r-xp 00000000 00:00 0 [vdso]
ffffffffff600000-ffffffffff601000 r-xp 00000000 00:00 0 [vsyscall]
Aborted (core dumped)
은 GDB에서 where
실행 내가 얻을 :
#0 0x00007ffff723e425 in __GI_raise (sig=<optimized out>) at ../nptl/sysdeps/unix/sysv/linux/raise.c:64
#1 0x00007ffff7241b8b in __GI_abort() at abort.c:91
#2 0x00007ffff727c39e in __libc_message (do_abort=2, fmt=0x7ffff7386748 "*** glibc detected *** %s: %s: 0x%s ***\n") at ../sysdeps/unix/sysv/linux/libc_fatal.c:201
#3 0x00007ffff7286b96 in malloc_printerr (action=3, str=0x7ffff7386858 "double free or corruption (!prev)", ptr=<optimized out>) at malloc.c:5039
#4 0x000000000040654d in main (argc=6, argv=0x7fffffffe0c8) at KalmanFiltering.cpp:828
828에서 복귀 라인 내 main()
기능. 문제의 코드는 다음과 같습니다
int main(){
...
EKSmoothParams *EKParams = new EKSmoothParams;
prepareSmoother(optPar, ECGsd, peaks, phase, x, fs, EKParams);
delete EKParams;
return 0;
}
void prepareSmoother(vector<double> optPar, vector<double> ECGsd, vector<double> peaks, vector<double> phase, vector<double> x, double fs, EKSmoothParams *params){
const int N = PEAK_NUM; // number of Gaussian kernels
vector<int> JJ;
JJ.reserve(peaks.size());
for(int i = 0; i < peaks.size(); i++){
if(peaks.at(i) != 0)
JJ.push_back(i);
}
vector<double> fm; // heart-rate
fm.reserve(JJ.size()-1);
for(int i = 0; i < JJ.size()-1; i++){
fm.push_back(fs/(JJ.at(i+1)-JJ.at(i)));
}
vector<double> twoPiFm = fm;
for(int i = 0; i < fm.size(); i++)
twoPiFm[i] = 2*PI*fm.at(i);
double w = calculateMean(twoPiFm); // average heart-rate in rads.
double wsd = sd2(twoPiFm); // heart-rate standard deviation in rads.
params->X0[0][0] = 1.0;
params->X0[0][1] = -PI;
params->X0[1][0] = 1.0;
params->X0[1][1] = 0.0;
params->P0[0][0] = pow(2*PI,2);
params->P0[0][1] = 0.0;
params->P0[1][0] = 2.0;
params->P0[1][1] = 10*pow(findAbsMax(x),2.0);
vector<double> diagonal(3*N+2, 0.0);
for(int i = 0; i < N; i++)
diagonal[i] = pow(0.1*optPar.at(i),2.0);
for(int i = N; i < 3*N; i++)
diagonal[i] = pow(0.5,2.0);
diagonal[3*N] = pow(wsd,2.0);
vector<double>::const_iterator first = ECGsd.begin();
vector<double>::const_iterator last = ECGsd.begin() + round(ECGsd.size()/10.0);
vector<double> ECGsdPartial(first, last);
displayVector(ECGsd);
diagonal[3*N+1] = pow(0.05*calculateMean(ECGsdPartial), 2.0);
for(int i = 0; i < diagonal.size(); i++)
params->Q[i][i] = diagonal[i];
params->R[0][0] = pow(w/fs,2)/12.0;;
params->R[0][1] = 0.0;
params->R[1][0] = 0.0;
params->R[1][1] = pow(calculateMean(ECGsdPartial), 2.0);
for(int i = 0; i < optPar.size(); i++){
params->wMean[i] = optPar.at(i);
params->inits[i] = optPar.at(i);
}
params->wMean[N*3] = w;
params->wMean[N*3+1] = 0;
params->inits[N*3] = w;
params->inits[N*3+1] = fs;
params->vMean[0] = 0.0;
params->vMean[1] = 0.0;
params->inovWlen = round(0.5*fs+0.5);
params->tau = 0;
params->gamma = 1;
params->rAdaptWlen = round(fs/2.0 + 0.5);
params->flag = 1;
for(int i = 0; i < 2; i++){
for(int j = 0; j < 2; j++){
cout << params->R[i][j] << " ";
}
}
}
그리고 구조체는 정적으로 할당 : 어떤 도움을 크게 감상 할 수
#define MEAN_PEAK_NUM_HIGH 3
#define MEAN_PEAK_NUM_LOW 3
#define PEAK_NUM MEAN_PEAK_NUM_HIGH+MEAN_PEAK_NUM_LOW
:
struct EKSmoothParams {
int tau;
int gamma;
int flag;
int inovWlen;
int rAdaptWlen;
double wMean[3*PEAK_NUM+2];
double vMean[2];
double inits[3*PEAK_NUM+2];
double X0[2][2];
double P0[2][2];
double Q[3*PEAK_NUM+2][3*PEAK_NUM+2];
double R[2][2];
};
. 구조체가 정적으로 할당 되었다면 호출 만한다고 생각했습니다.
delete struct_name;
참조를 삭제합니다. 도와 주셔서 감사합니다!
는 UPDATE : 그래서 나는 Valgrind의 실행과는delete EKParms
을 제거하기 위해 나에게 말했다. 나는
delete EKParms
라인을 제거하고 다시 실행 :
valgrind --leak-check=full ./KalmanFiltering x.txt pphase.txt phase.txt opt.txt peaks.txt
내가했다 얻은 출력 : 나는이 프로그램을 실행하면
==32755== Memcheck, a memory error detector
==32755== Copyright (C) 2002-2011, and GNU GPL'd, by Julian Seward et al.
==32755== Using Valgrind-3.7.0 and LibVEX; rerun with -h for copyright info
==32755== Command: ./KalmanFiltering x.txt pphase.txt phase.txt opt.txt peaks.txt
==32755==
0.117777 0.102793 0.0911142 0.107277 0.109 0.126729 0.115012 0.109627 0.131102 0.100467 0.0822639 0.122442 0.0908527 0.116644 0.108093 0.104796 0.12665 0.102979 0.0999146 0.119981 0.107912 0.122379 0.113098 0.0889197 0.106954 0.101472 0.125473 0.107778 0.13228 0.10528 0.11511 0.107965 0.0961817 0.125068 0.12075 0.110846 0.120621 0.132226 0.106999 0.114672 0.0997654 0.104048 0.117857 0.105461 0.127318 0.11103 0.134415 0.12594 0.126633 0.116603 0.109422 0.117 0.130797 0.112808 0.113414 0.0951991 0.112291 0.109693 0.118444 0.104215 0.124635 0.0993083 0.122034 0.122363 0.12139 0.0969221 0.108173 0.109436 0.115881 0.118631 0.0968963 0.104841 0.118923 0.10789 0.108117 0.119053 0.115187 0.119369 0.089593 0.0893818 0.127805 0.109007 0.108001 0.128517 0.105524 0.117847 0.127699 0.101618 0.113646 0.112389 0.114674 0.108706 0.117413 0.119509 0.110195 0.116943 0.132244 0.108374 0.117175 0.114302 0.113753 0.127603 0.104102 0.112583 0.110015 0.102419 0.122587 0.104333 0.122883 0.129287 0.129104 0.10733 0.11312 0.125945 0.119181 0.128817 0.129468 0.114589 0.146289 0.135648 0.118936 0.146207 0.160105 0.167322 0.16074 0.140913 0.153806 0.178517 0.215381 0.251905 0.163988 0.137749 0.107549 0.121755 0.121141 0.0867208 0.103768 0.130058 0.142986 0.115026 0.12086 0.12443 0.122726 0.110762 0.125137 0.126337 0.0953488 0.10774 0.112677 0.116888 0.115948 0.104844 0.114403 0.121069 0.110119 0.0980817 0.109335 0.104094 0.10667 0.118813 0.123157 0.11163 0.105456 0.103909 0.112385 0.126633 0.123956 0.108601 0.113358 0.0971531 0.123609 0.116769 0.130958 0.103691 0.114814 0.116871 0.12273 0.116116 0.118833 0.11895 0.100572 0.128861 0.110058 0.121104 0.122787 0.122287 0.114645 0.12352 0.122679 0.121228 0.116913 0.128488 0.111704 0.102892 0.119502 0.113897 0.144082 0.132502 0.115685 0.145348 0.137543 0.12479 0.132752 0.137675 0.144116 0.127518 0.146219 0.152045 0.123085 0.152635 0.153129 0.159488 0.139282 0.150634 0.119596 0.1195 0.127458 0.109524 0.106355 0.116666 0.114375 0.104727 0.0978894 0.0941401 0.11789 0.11224 0.110342 0.106331 0.104715 0.0991576 0.116447 0.0908483 0.11542 0.105876 0.0955746 0.120995 0.125514 0.130953 0.12472 0.118668 0.118989 0.106662 0.117213 0.111635 0.106181 0.11708 0.101769 0.10301 0.112952 0.104064
3.31532e-06 0 0 0.0118791
==32755==
==32755== HEAP SUMMARY:
==32755== in use at exit: 0 bytes in 0 blocks
==32755== total heap usage: 61,624 allocs, 61,624 frees, 6,091,874 bytes allocated
==32755==
==32755== All heap blocks were freed -- no leaks are possible
==32755==
==32755== For counts of detected and suppressed errors, rerun with: -v
==32755== ERROR SUMMARY: 0 errors from 0 contexts (suppressed: 2 from 2)
그러나, 일반적으로 난 아직도 더블 무료 또는 손상 오류 등을 얻을 전에.
을 your_program'. 메모리 손상이 다른 곳에서 일어 났을 가능성이 큽니다. –
@ dandan78'새'가 있습니다. –
@EitanT 으악, 고마워. – dandan78