我工作的一个现有的C项目(sourceforge上spglib),和我清理一些阵列初始化后运行到以下问题:*** glibc检测到***免费():无效的下一个大小(快) - 应该工作?
* glibc的检测*测试/ spglibtest:免费() :无效的下一个尺寸(快速):0x08ab46e0 ***
回溯是:
#0 0xb7fe1424 in __kernel_vsyscall()
#1 0xb5cfdd61 in raise() from /lib/libc.so.6
#2 0xb5cff5ee in abort() from /lib/libc.so.6
#3 0xb5d397ed in ??() from /lib/libc.so.6
#4 0xb5d3f7b1 in ??() from /lib/libc.so.6
#5 0xb5d4052b in ??() from /lib/libc.so.6
#6 0xb5d441cd in free() from /lib/libc.so.6
#7 0xb6681484 in sym_get_multiplicity (cell=0xbfffe1f0, symprec=0.050000000000000003) at /git/xtalopt-public/src/spglib/symmetry.c:168
#8 0xb6680550 in spg_find_primitive (lattice=0xbfffe2a8, position=0x813c6f0, types=0x813c700, num_atom=2, symprec=0.050000000000000003)
at /git/xtalopt-public/src/spglib/spglib.c:253
的错误是在 “自由(反)” 下面一行:
int sym_get_multiplicity(const Cell *cell, const double symprec)
{
int i, rc;
double **trans;
trans = (double**)malloc(cell->size * sizeof(double*));
for (i = 0; i < cell->size; i++) {
trans[i] = (double*)malloc(3 * sizeof(double));
}
rc = get_translation(&trans[0][0], identity, cell, symprec);
for (i = 0; i < cell->size; i++) {
free(trans[i]);
}
free(trans);
return rc;
}
get_translation值分配给反像这样:
static int get_translation(double trans[][3], const int rot[3][3], const Cell *cell,
const double symprec)
{
...
for (j = 0; j < 3; j++) {
trans[num_trans][j] = someDouble;
}
...
}
在get_translation写入到阵列时,Valgrind是显示以下内容:
==17929== Invalid write of size 8
==17929== at 0x56BE8A7: get_translation (symmetry.c:285)
==17929== by 0x56BE44B: sym_get_multiplicity (symmetry.c:163)
...
==17929== Address 0x9cb5868 is 0 bytes after a block of size 8 alloc'd
==17929== at 0x4024918: malloc (in /usr/lib/valgrind/vgpreload_memcheck-x86-linux.so)
==17929== by 0x56BE3F7: sym_get_multiplicity (symmetry.c:158)
....
这表明,我认为它试图写过去的结束为trans分配的内存,但它写入trans [0] [0],trans是dimension [2] [3]。这应该工作,AFAIK,任何人都可以看到我失踪的东西?
所以虽然不是答案,但trans与double trans [2] [3]定义的东西不完全相同。特别是在你的例子中,trans [0] [2]和trans [1] [0]并不是按顺序放置在内存中的,对于类似dobule trans [2] [3]的东西来说,这是非常必要的。 – 2010-09-15 22:17:54
您应该在调用get_translation()时获得“不兼容指针类型传递的参数”警告 - 我建议调高编译器警告级别。 – caf 2010-09-15 23:38:48
真的不知道为什么这被标记为重复。令人难以置信的通用错误消息是相同的,但潜在的问题是完全不同的...... – dlonie 2014-07-18 16:51:27