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  1. ==5137== ----------------------------------------------------------------
  2. ==5137==
  3. ==5137== Possible data race during read of size 4 at 0x52D1108 by thread #4
  4. ==5137== Locks held: none
  5. ==5137== at 0x509CDC0: ??? (in /usr/lib/x86_64-linux-gnu/libcurl-gnutls.so.4.4.0)
  6. ==5137== by 0x50ABD6F: ??? (in /usr/lib/x86_64-linux-gnu/libcurl-gnutls.so.4.4.0)
  7. ==5137== by 0x506F7DE: ??? (in /usr/lib/x86_64-linux-gnu/libcurl-gnutls.so.4.4.0)
  8. ==5137== by 0x508962C: ??? (in /usr/lib/x86_64-linux-gnu/libcurl-gnutls.so.4.4.0)
  9. ==5137== by 0x509A092: ??? (in /usr/lib/x86_64-linux-gnu/libcurl-gnutls.so.4.4.0)
  10. ==5137== by 0x509AAB5: curl_multi_perform (in /usr/lib/x86_64-linux-gnu/libcurl-gnutls.so.4.4.0)
  11. ==5137== by 0x50917CA: curl_easy_perform (in /usr/lib/x86_64-linux-gnu/libcurl-gnutls.so.4.4.0)
  12. ==5137== by 0x401F0E: parallel_get_fragments (paster_parallel.c:288)
  13. ==5137== by 0x4C34DB6: ??? (in /usr/lib/valgrind/vgpreload_helgrind-amd64-linux.so)
  14. ==5137== by 0x52D96B9: start_thread (pthread_create.c:333)
  15. ==5137== by 0x55F641C: clone (clone.S:109)
  16. ==5137==
  17. ==5137== This conflicts with a previous write of size 4 by thread #2
  18. ==5137== Locks held: none
  19. ==5137== at 0x509CDF6: ??? (in /usr/lib/x86_64-linux-gnu/libcurl-gnutls.so.4.4.0)
  20. ==5137== by 0x50ABD6F: ??? (in /usr/lib/x86_64-linux-gnu/libcurl-gnutls.so.4.4.0)
  21. ==5137== by 0x506F7DE: ??? (in /usr/lib/x86_64-linux-gnu/libcurl-gnutls.so.4.4.0)
  22. ==5137== by 0x508962C: ??? (in /usr/lib/x86_64-linux-gnu/libcurl-gnutls.so.4.4.0)
  23. ==5137== by 0x509A092: ??? (in /usr/lib/x86_64-linux-gnu/libcurl-gnutls.so.4.4.0)
  24. ==5137== by 0x509AAB5: curl_multi_perform (in /usr/lib/x86_64-linux-gnu/libcurl-gnutls.so.4.4.0)
  25. ==5137== by 0x50917CA: curl_easy_perform (in /usr/lib/x86_64-linux-gnu/libcurl-gnutls.so.4.4.0)
  26. ==5137== by 0x401F0E: parallel_get_fragments (paster_parallel.c:288)
  27. ==5137== Address 0x52d1108 is in the Data segment of /usr/lib/x86_64-linux-gnu/libcurl-gnutls.so.4.4.0
  28. ==5137==
  29. requesting URL http://ece459-3.patricklam.ca:4590/image?img=1
  30. requesting URL http://ece459-1.patricklam.ca:4590/image?img=1
  31. ==5137== ---Thread-Announcement------------------------------------------
  32. ==5137==
  33. ==5137== Thread #5 was created
  34. ==5137== at 0x55F63DE: clone (clone.S:74)
  35. ==5137== by 0x52D8149: create_thread (createthread.c:102)
  36. ==5137== by 0x52D9E83: pthread_create@@GLIBC_2.2.5 (pthread_create.c:679)
  37. ==5137== by 0x4C34BB7: ??? (in /usr/lib/valgrind/vgpreload_helgrind-amd64-linux.so)
  38. ==5137== by 0x50A9071: ??? (in /usr/lib/x86_64-linux-gnu/libcurl-gnutls.so.4.4.0)
  39. ==5137== by 0x50ABEEE: ??? (in /usr/lib/x86_64-linux-gnu/libcurl-gnutls.so.4.4.0)
  40. ==5137== by 0x506F7DE: ??? (in /usr/lib/x86_64-linux-gnu/libcurl-gnutls.so.4.4.0)
  41. ==5137== by 0x508962C: ??? (in /usr/lib/x86_64-linux-gnu/libcurl-gnutls.so.4.4.0)
  42. ==5137== by 0x509A092: ??? (in /usr/lib/x86_64-linux-gnu/libcurl-gnutls.so.4.4.0)
  43. ==5137== by 0x509AAB5: curl_multi_perform (in /usr/lib/x86_64-linux-gnu/libcurl-gnutls.so.4.4.0)
  44. ==5137== by 0x50917CA: curl_easy_perform (in /usr/lib/x86_64-linux-gnu/libcurl-gnutls.so.4.4.0)
  45. ==5137== by 0x401F0E: parallel_get_fragments (paster_parallel.c:288)
  46. ==5137==
  47. ==5137== ----------------------------------------------------------------
  48. ==5137==
  49. ==5137== Possible data race during read of size 1 at 0x13DE52B1 by thread #5
  50. ==5137== Locks held: none
  51. ==5137== at 0x4C3A514: __strstr_sse2 (in /usr/lib/valgrind/vgpreload_helgrind-amd64-linux.so)
  52. ==5137== by 0x5568D51: _IO_file_fopen@@GLIBC_2.2.5 (fileops.c:348)
  53. ==5137== by 0x555CD33: __fopen_internal (iofopen.c:86)
  54. ==5137== by 0x13DE11E5: internal_setent (files-XXX.c:77)
  55. ==5137== by 0x13DE11E5: _nss_files_gethostbyname4_r (files-hosts.c:377)
  56. ==5137== by 0x55DAC57: gaih_inet (getaddrinfo.c:870)
  57. ==5137== by 0x55DDD5D: getaddrinfo (getaddrinfo.c:2425)
  58. ==5137== by 0x50A0A16: ??? (in /usr/lib/x86_64-linux-gnu/libcurl-gnutls.so.4.4.0)
  59. ==5137== by 0x50AB879: ??? (in /usr/lib/x86_64-linux-gnu/libcurl-gnutls.so.4.4.0)
  60. ==5137== by 0x50A900A: ??? (in /usr/lib/x86_64-linux-gnu/libcurl-gnutls.so.4.4.0)
  61. ==5137== by 0x4C34DB6: ??? (in /usr/lib/valgrind/vgpreload_helgrind-amd64-linux.so)
  62. ==5137== by 0x52D96B9: start_thread (pthread_create.c:333)
  63. ==5137== by 0x55F641C: clone (clone.S:109)
  64. ==5137== Address 0x13de52b1 is in a r-x mapped file /lib/x86_64-linux-gnu/libnss_files-2.23.so segment
  65. ==5137==
  66. ==5137== ---Thread-Announcement------------------------------------------
  67. ==5137==
  68. ==5137== Thread #7 was created
  69. ==5137== at 0x55F63DE: clone (clone.S:74)
  70. ==5137== by 0x52D8149: create_thread (createthread.c:102)
  71. ==5137== by 0x52D9E83: pthread_create@@GLIBC_2.2.5 (pthread_create.c:679)
  72. ==5137== by 0x4C34BB7: ??? (in /usr/lib/valgrind/vgpreload_helgrind-amd64-linux.so)
  73. ==5137== by 0x50A9071: ??? (in /usr/lib/x86_64-linux-gnu/libcurl-gnutls.so.4.4.0)
  74. ==5137== by 0x50ABEEE: ??? (in /usr/lib/x86_64-linux-gnu/libcurl-gnutls.so.4.4.0)
  75. ==5137== by 0x506F7DE: ??? (in /usr/lib/x86_64-linux-gnu/libcurl-gnutls.so.4.4.0)
  76. ==5137== by 0x508962C: ??? (in /usr/lib/x86_64-linux-gnu/libcurl-gnutls.so.4.4.0)
  77. ==5137== by 0x509A092: ??? (in /usr/lib/x86_64-linux-gnu/libcurl-gnutls.so.4.4.0)
  78. ==5137== by 0x509AAB5: curl_multi_perform (in /usr/lib/x86_64-linux-gnu/libcurl-gnutls.so.4.4.0)
  79. ==5137== by 0x50917CA: curl_easy_perform (in /usr/lib/x86_64-linux-gnu/libcurl-gnutls.so.4.4.0)
  80. ==5137== by 0x401F0E: parallel_get_fragments (paster_parallel.c:288)
  81. ==5137==
  82. ==5137== ----------------------------------------------------------------
  83. ==5137==
  84. ==5137== Possible data race during read of size 1 at 0x13FF09B7 by thread #7
  85. ==5137== Locks held: none
  86. ==5137== at 0x4C375BE: strcasecmp (in /usr/lib/valgrind/vgpreload_helgrind-amd64-linux.so)
  87. ==5137== by 0x13FF0514: _nss_mdns4_minimal_gethostbyname2_r (in /lib/x86_64-linux-gnu/libnss_mdns4_minimal.so.2)
  88. ==5137== by 0x55DB32E: gaih_inet (getaddrinfo.c:979)
  89. ==5137== by 0x55DDD5D: getaddrinfo (getaddrinfo.c:2425)
  90. ==5137== by 0x50A0A16: ??? (in /usr/lib/x86_64-linux-gnu/libcurl-gnutls.so.4.4.0)
  91. ==5137== by 0x50AB879: ??? (in /usr/lib/x86_64-linux-gnu/libcurl-gnutls.so.4.4.0)
  92. ==5137== by 0x50A900A: ??? (in /usr/lib/x86_64-linux-gnu/libcurl-gnutls.so.4.4.0)
  93. ==5137== by 0x4C34DB6: ??? (in /usr/lib/valgrind/vgpreload_helgrind-amd64-linux.so)
  94. ==5137== by 0x52D96B9: start_thread (pthread_create.c:333)
  95. ==5137== by 0x55F641C: clone (clone.S:109)
  96. ==5137== Address 0x13ff09b7 is in a r-x mapped file /lib/x86_64-linux-gnu/libnss_mdns4_minimal.so.2 segment
  97. ==5137==
  98. ==5137== ----------------------------------------------------------------
  99. ==5137==
  100. ==5137== Possible data race during read of size 1 at 0x13FF09BE by thread #7
  101. ==5137== Locks held: none
  102. ==5137== at 0x4C375BE: strcasecmp (in /usr/lib/valgrind/vgpreload_helgrind-amd64-linux.so)
  103. ==5137== by 0x13FF06A1: _nss_mdns4_minimal_gethostbyname2_r (in /lib/x86_64-linux-gnu/libnss_mdns4_minimal.so.2)
  104. ==5137== by 0x55DB32E: gaih_inet (getaddrinfo.c:979)
  105. ==5137== by 0x55DDD5D: getaddrinfo (getaddrinfo.c:2425)
  106. ==5137== by 0x50A0A16: ??? (in /usr/lib/x86_64-linux-gnu/libcurl-gnutls.so.4.4.0)
  107. ==5137== by 0x50AB879: ??? (in /usr/lib/x86_64-linux-gnu/libcurl-gnutls.so.4.4.0)
  108. ==5137== by 0x50A900A: ??? (in /usr/lib/x86_64-linux-gnu/libcurl-gnutls.so.4.4.0)
  109. ==5137== by 0x4C34DB6: ??? (in /usr/lib/valgrind/vgpreload_helgrind-amd64-linux.so)
  110. ==5137== by 0x52D96B9: start_thread (pthread_create.c:333)
  111. ==5137== by 0x55F641C: clone (clone.S:109)
  112. ==5137== Address 0x13ff09be is in a r-x mapped file /lib/x86_64-linux-gnu/libnss_mdns4_minimal.so.2 segment
  113. ==5137==
  114. ==5137== ----------------------------------------------------------------
  115. ==5137==
  116. ==5137== Possible data race during read of size 1 at 0x141F4C77 by thread #7
  117. ==5137== Locks held: none
  118. ==5137== at 0x141F4C77: gaih_getanswer (dns-host.c:1358)
  119. ==5137== by 0x141F4C77: _nss_dns_gethostbyname4_r (dns-host.c:331)
  120. ==5137== by 0x55DAC57: gaih_inet (getaddrinfo.c:870)
  121. ==5137== by 0x55DDD5D: getaddrinfo (getaddrinfo.c:2425)
  122. ==5137== by 0x50A0A16: ??? (in /usr/lib/x86_64-linux-gnu/libcurl-gnutls.so.4.4.0)
  123. ==5137== by 0x50AB879: ??? (in /usr/lib/x86_64-linux-gnu/libcurl-gnutls.so.4.4.0)
  124. ==5137== by 0x50A900A: ??? (in /usr/lib/x86_64-linux-gnu/libcurl-gnutls.so.4.4.0)
  125. ==5137== by 0x4C34DB6: ??? (in /usr/lib/valgrind/vgpreload_helgrind-amd64-linux.so)
  126. ==5137== by 0x52D96B9: start_thread (pthread_create.c:333)
  127. ==5137== by 0x55F641C: clone (clone.S:109)
  128. ==5137== Address 0x141f4c77 is in the Text segment of /lib/x86_64-linux-gnu/libnss_dns-2.23.so
  129. ==5137== at 0x141F4C77: gaih_getanswer (dns-host.c:1358)
  130. ==5137== by 0x141F4C77: _nss_dns_gethostbyname4_r (dns-host.c:331)
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