On Sun, May 24, 2020 at 9:56 PM Patrick Schlangen <patr...@schlangen.me> wrote:
> Am 24.05.2020 um 21:56 schrieb James Read via curl-library < > curl-library@cool.haxx.se>: > > ... > > On closer inspection my valgrind output has the following lines: > > > > --69689-- Reading syms from /usr/lib/x86_64-linux-gnu/libcurl.so.4.6.0 > > --69689-- object doesn't have a symbol table > > > > So something is definitely wrong here. > > After building curl with debug information, did you also run ‚make > install‘ to install the newly built library and link your application > against it? It looks like you’re still linking against the system-provided, > non-debug version. > > Yes I did that. With some link magic I managed to get this working. Here is some example output from valgrind. ==78076== 278,944 bytes in 379 blocks are possibly lost in loss record 77 of 83 ==78076== at 0x483DD99: calloc (in /usr/lib/x86_64-linux-gnu/valgrind/vgpreload_memcheck-amd64-linux.so) ==78076== by 0x48BBEE0: curl_dbg_calloc (memdebug.c:205) ==78076== by 0x490A1D0: Curl_ssl_initsessions (vtls.c:608) ==78076== by 0x48F4BAF: Curl_pretransfer (transfer.c:1455) ==78076== by 0x48C6048: multi_runsingle (multi.c:1619) ==78076== by 0x48C8841: multi_socket (multi.c:2833) ==78076== by 0x48C9053: curl_multi_socket_action (multi.c:2956) ==78076== by 0x10C6A7: event_cb (crawler.c:188) ==78076== by 0x10D7D9: crawler_init (crawler.c:556) ==78076== by 0x4A34608: start_thread (pthread_create.c:477) ==78076== by 0x4B95102: clone (clone.S:95) ==78076== ==78076== 381,136 bytes in 166 blocks are possibly lost in loss record 78 of 83 ==78076== at 0x483DD99: calloc (in /usr/lib/x86_64-linux-gnu/valgrind/vgpreload_memcheck-amd64-linux.so) ==78076== by 0x48BBEE0: curl_dbg_calloc (memdebug.c:205) ==78076== by 0x489E601: allocate_conn (url.c:1562) ==78076== by 0x48A28CA: create_conn (url.c:3378) ==78076== by 0x48A3A37: Curl_connect (url.c:3893) ==78076== by 0x48C6135: multi_runsingle (multi.c:1643) ==78076== by 0x48C8841: multi_socket (multi.c:2833) ==78076== by 0x48C9053: curl_multi_socket_action (multi.c:2956) ==78076== by 0x10C7D5: timer_cb (crawler.c:226) ==78076== by 0x10D780: crawler_init (crawler.c:554) ==78076== by 0x4A34608: start_thread (pthread_create.c:477) ==78076== by 0x4B95102: clone (clone.S:95) ==78076== ==78076== 962,024 bytes in 419 blocks are possibly lost in loss record 79 of 83 ==78076== at 0x483DD99: calloc (in /usr/lib/x86_64-linux-gnu/valgrind/vgpreload_memcheck-amd64-linux.so) ==78076== by 0x48BBEE0: curl_dbg_calloc (memdebug.c:205) ==78076== by 0x489E601: allocate_conn (url.c:1562) ==78076== by 0x48A28CA: create_conn (url.c:3378) ==78076== by 0x48A3A37: Curl_connect (url.c:3893) ==78076== by 0x48C6135: multi_runsingle (multi.c:1643) ==78076== by 0x48C8841: multi_socket (multi.c:2833) ==78076== by 0x48C9053: curl_multi_socket_action (multi.c:2956) ==78076== by 0x10C6A7: event_cb (crawler.c:188) ==78076== by 0x10D7D9: crawler_init (crawler.c:556) ==78076== by 0x4A34608: start_thread (pthread_create.c:477) ==78076== by 0x4B95102: clone (clone.S:95) ==78076== ==78076== 2,304,320 bytes in 379 blocks are possibly lost in loss record 80 of 83 ==78076== at 0x483DD99: calloc (in /usr/lib/x86_64-linux-gnu/valgrind/vgpreload_memcheck-amd64-linux.so) ==78076== by 0x48BBEE0: curl_dbg_calloc (memdebug.c:205) ==78076== by 0x489C739: Curl_open (url.c:588) ==78076== by 0x488DCF4: curl_easy_init (easy.c:301) ==78076== by 0x10CB52: new_conn (crawler.c:307) ==78076== by 0x10D676: crawler_init (crawler.c:533) ==78076== by 0x4A34608: start_thread (pthread_create.c:477) ==78076== by 0x4B95102: clone (clone.S:95) ==78076== ==78076== 3,548,493 bytes in 220 blocks are possibly lost in loss record 81 of 83 ==78076== at 0x483B723: malloc (in /usr/lib/x86_64-linux-gnu/valgrind/vgpreload_memcheck-amd64-linux.so) ==78076== by 0x483E017: realloc (in /usr/lib/x86_64-linux-gnu/valgrind/vgpreload_memcheck-amd64-linux.so) ==78076== by 0x10CA22: write_cb (crawler.c:277) ==78076== by 0x48D707B: chop_write (sendf.c:606) ==78076== by 0x48D72CE: Curl_client_write (sendf.c:690) ==78076== by 0x48B3DD5: Curl_httpchunk_read (http_chunks.c:201) ==78076== by 0x48F3723: readwrite_data (transfer.c:794) ==78076== by 0x48F451B: Curl_readwrite (transfer.c:1248) ==78076== by 0x48C723F: multi_runsingle (multi.c:2095) ==78076== by 0x48C8841: multi_socket (multi.c:2833) ==78076== by 0x48C9053: curl_multi_socket_action (multi.c:2956) ==78076== by 0x10C6A7: event_cb (crawler.c:188) ==78076== ==78076== 4,078,303 bytes in 155 blocks are possibly lost in loss record 82 of 83 ==78076== at 0x483DFAF: realloc (in /usr/lib/x86_64-linux-gnu/valgrind/vgpreload_memcheck-amd64-linux.so) ==78076== by 0x10CA22: write_cb (crawler.c:277) ==78076== by 0x48D707B: chop_write (sendf.c:606) ==78076== by 0x48D72CE: Curl_client_write (sendf.c:690) ==78076== by 0x48B3DD5: Curl_httpchunk_read (http_chunks.c:201) ==78076== by 0x48F3723: readwrite_data (transfer.c:794) ==78076== by 0x48F451B: Curl_readwrite (transfer.c:1248) ==78076== by 0x48C723F: multi_runsingle (multi.c:2095) ==78076== by 0x48C8841: multi_socket (multi.c:2833) ==78076== by 0x48C9053: curl_multi_socket_action (multi.c:2956) ==78076== by 0x10C6A7: event_cb (crawler.c:188) ==78076== by 0x10D7D9: crawler_init (crawler.c:556) ==78076== ==78076== 6,215,979 bytes in 379 blocks are possibly lost in loss record 83 of 83 ==78076== at 0x483B7F3: malloc (in /usr/lib/x86_64-linux-gnu/valgrind/vgpreload_memcheck-amd64-linux.so) ==78076== by 0x48BBDB8: curl_dbg_malloc (memdebug.c:174) ==78076== by 0x489C7F1: Curl_open (url.c:606) ==78076== by 0x488DCF4: curl_easy_init (easy.c:301) ==78076== by 0x10CB52: new_conn (crawler.c:307) ==78076== by 0x10D676: crawler_init (crawler.c:533) ==78076== by 0x4A34608: start_thread (pthread_create.c:477) ==78076== by 0x4B95102: clone (clone.S:95) Sorry for the overload. Quite a few memory leaks there. Any help would be appreciated. James Read > Best, > > Patrick > >
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