質問編集履歴
2
えらー情報
test
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test
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@@ -12,7 +12,25 @@
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==81429== Memcheck, a memory error detector
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==81429== Copyright (C) 2002-2017, and GNU GPL'd, by Julian Seward et al.
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==81429== Using Valgrind-3.14.0.GIT and LibVEX; rerun with -h for copyright info
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==81429== Command: ./a.out
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==81429==
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==81429==
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==81429== HEAP SUMMARY:
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28
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==81429== in use at exit: 18,339 bytes in 163 blocks
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==81429== total heap usage: 184 allocs, 21 frees, 26,787 bytes allocated
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==81429==
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34
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==81429== 72 bytes in 3 blocks are possibly lost in loss record 26 of 42
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@@ -62,9 +80,9 @@
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==81429== For counts of detected and suppressed errors, rerun with: -v
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84
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-
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85
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==81429== ERROR SUMMARY: 1 errors from 1 contexts (suppressed: 12 from 12)
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-
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86
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@@ -92,15 +110,7 @@
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#include<stdio.h>
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#include<stdlib.h>
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int main(void){
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return 0;
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}
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1
エラー情報
test
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File without changes
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test
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@@ -9,6 +9,62 @@
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9
9
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その結果ある程度バグを見つられたのですが,possibly lostがどうしても消えません.
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また同じエラーが白紙のプログラムでも発生することがわかりました
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12
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14
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==81429== 72 bytes in 3 blocks are possibly lost in loss record 26 of 42
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18
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==81429== at 0x1000ABC32: calloc (in /usr/local/Cellar/valgrind/HEAD-2b0aa0a/lib/valgrind/vgpreload_memcheck-amd64-darwin.so)
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==81429== by 0x1007787E2: map_images_nolock (in /usr/lib/libobjc.A.dylib)
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22
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==81429== by 0x10078B7DA: objc_object::sidetable_retainCount() (in /usr/lib/libobjc.A.dylib)
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24
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25
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==81429== by 0x100006C64: dyld::notifyBatchPartial(dyld_image_states, bool, char const* (*)(dyld_image_states, unsigned int, dyld_image_info const*), bool, bool) (in /usr/lib/dyld)
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26
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==81429== by 0x100006E39: dyld::registerObjCNotifiers(void (*)(unsigned int, char const* const*, mach_header const* const*), void (*)(char const*, mach_header const*), void (*)(char const*, mach_header const*)) (in /usr/lib/dyld)
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28
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==81429== by 0x10024371D: _dyld_objc_notify_register (in /usr/lib/system/libdyld.dylib)
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30
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==81429== by 0x100778075: _objc_init (in /usr/lib/libobjc.A.dylib)
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==81429== by 0x1001CDB34: _os_object_init (in /usr/lib/system/libdispatch.dylib)
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34
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==81429== by 0x1001CDB1B: libdispatch_init (in /usr/lib/system/libdispatch.dylib)
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==81429== by 0x1000BA9C2: libSystem_initializer (in /usr/lib/libSystem.B.dylib)
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==81429== by 0x100018AC5: ImageLoaderMachO::doModInitFunctions(ImageLoader::LinkContext const&) (in /usr/lib/dyld)
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40
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==81429== by 0x100018CF5: ImageLoaderMachO::doInitialization(ImageLoader::LinkContext const&) (in /usr/lib/dyld)
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42
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43
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==81429==
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44
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45
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==81429== LEAK SUMMARY:
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46
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47
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==81429== definitely lost: 0 bytes in 0 blocks
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48
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49
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==81429== indirectly lost: 0 bytes in 0 blocks
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50
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51
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==81429== possibly lost: 72 bytes in 3 blocks
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52
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53
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==81429== still reachable: 200 bytes in 6 blocks
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54
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55
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==81429== suppressed: 18,067 bytes in 154 blocks
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56
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57
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==81429== Reachable blocks (those to which a pointer was found) are not shown.
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58
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59
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==81429== To see them, rerun with: --leak-check=full --show-leak-kinds=all
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60
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61
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==81429==
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62
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63
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64
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65
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66
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67
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12
68
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13
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14
70
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