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From: Philippe W. <phi...@sk...> - 2017-05-17 20:18:09
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For 3.13 release, I am doing a self-hosting of valgrind, running all regression tests with an outer memcheck and the inner tools corresponding to the test being run. I am running this on debian 8/amd64. I will send a mail for the errors found by the outer memcheck that are worth a more in depth investigation/explanation. So, here is a newly added test, that causes memcheck to complain. A native run of this test under memcheck does not cause any error. So, this might be a real bug in valgrind/drd. The detailed errors reported are: ==13472== Memcheck, a memory error detector ==13472== Copyright (C) 2002-2017, and GNU GPL'd, by Julian Seward et al. ==13472== Using Valgrind-3.13.0.SVN and LibVEX; rerun with -h for copyright info ==13472== Command: /home/philippe/valgrind/svn/inner_trunk_untouched/.in_place/drd-amd64-linux --command-line-only=yes --memcheck:leak-check=no --sim-hints=no-inner-prefix --tool=drd --read-var-info=yes --check-stack-var=yes --show-confl-seg=no ./dlopen_main ./dlopen_lib.so ==13472== Parent PID: 13471 ==13472== ==13472== Warning: client switching stacks? SP change: 0x1ffefffee0 --> 0x38d566f8 ==13472== to suppress, use: --max-stackframe=136468666344 or greater ==13472== Warning: ignored attempt to set SIGRT32 handler in sigaction(); ==13472== the SIGRT32 signal is used internally by Valgrind ==13472== Conditional jump or move depends on uninitialised value(s) ==13472== at 0xFE5E48D22: ??? ==13472== by 0xFE4A60EBF: ??? ==13472== by 0xFE18192FF: ??? ==13472== by 0x400A9B6: _dl_new_object (dl-object.c:191) ==13472== by 0x3808B90F: ??? (m_translate.c:752) ==13472== by 0x100000000: ??? ==13472== by 0xFE4A60EA7: ??? ==13472== by 0xFE4A60EBF: ??? ==13472== by 0xFE18192FF: ??? ==13472== by 0x400A9B6: _dl_new_object (dl-object.c:191) ==13472== by 0xF000155A5: ??? ==13472== by 0x380D392E: thread_wrapper (syswrap-linux.c:103) ==13472== by 0x380D392E: run_a_thread_NORETURN (syswrap-linux.c:156) ==13472== by 0x58084350: _______VVVVVVVV_appended_inner_guest_stack_VVVVVVVV_______ (m_execontext.c:332) ==13472== by 0x4017784: index (strchr.S:77) ==13472== by 0x400AA79: _dl_new_object (dl-object.c:205) ==13472== by 0x4005E43: _dl_map_object_from_fd (dl-load.c:1059) ==13472== by 0x400805E: _dl_map_object (dl-load.c:2605) ==13472== by 0x40129E4: dl_open_worker (dl-open.c:235) ==13472== by 0x400E873: _dl_catch_error (dl-error.c:187) ==13472== by 0x40123FA: _dl_open (dl-open.c:661) ==13472== by 0x525502A: dlopen_doit (dlopen.c:66) ==13472== by 0x400E873: _dl_catch_error (dl-error.c:187) ==13472== by 0x52555DC: _dlerror_run (dlerror.c:163) ==13472== by 0x52550C0: dlopen@@GLIBC_2.2.5 (dlopen.c:87) ==13472== by 0x4007AF: main (dlopen_main.c:13) ==13472== ==13472== Conditional jump or move depends on uninitialised value(s) ==13472== at 0x3805518F: bm_cache_lookup (drd_bitmap.h:391) ==13472== by 0x3805518F: bm2_lookup_or_insert (drd_bitmap.h:608) ==13472== by 0x3805518F: bm2_lookup_or_insert_exclusive (drd_bitmap.h:640) ==13472== by 0x3805518F: bm_access_aligned_load (drd_bitmap.h:668) ==13472== by 0x3805518F: vgDrd_bm_access_load_1 (drd_bitmap.c:203) ==13472== by 0x3805518F: bm_access_load_1_triggers_conflict (drd_thread_bitmap.h:37) ==13472== by 0x3805518F: drd_trace_load_1 (drd_load_store.c:199) ==13472== by 0xFE5E5F6A9: ??? ==13472== by 0xFE4A60EBF: ??? ==13472== by 0xFE18192FF: ??? ==13472== by 0x400A9B6: _dl_new_object (dl-object.c:191) ==13472== by 0x3808B90F: ??? (m_translate.c:752) ==13472== by 0x100000000: ??? ==13472== by 0xFE4A60EA7: ??? ==13472== by 0xFE4A60EBF: ??? ==13472== by 0xFE18192FF: ??? ==13472== by 0x400A9B6: _dl_new_object (dl-object.c:191) ==13472== by 0xF000155A5: ??? ==13472== by 0x380D392E: thread_wrapper (syswrap-linux.c:103) ==13472== by 0x380D392E: run_a_thread_NORETURN (syswrap-linux.c:156) ==13472== by 0x58084350: _______VVVVVVVV_appended_inner_guest_stack_VVVVVVVV_______ (m_execontext.c:332) ==13472== by 0x401783D: index (strchr.S:135) ==13472== by 0x400AA79: _dl_new_object (dl-object.c:205) ==13472== by 0x4005E43: _dl_map_object_from_fd (dl-load.c:1059) ==13472== by 0x400805E: _dl_map_object (dl-load.c:2605) ==13472== by 0x40129E4: dl_open_worker (dl-open.c:235) ==13472== by 0x400E873: _dl_catch_error (dl-error.c:187) ==13472== by 0x40123FA: _dl_open (dl-open.c:661) ==13472== by 0x525502A: dlopen_doit (dlopen.c:66) ==13472== by 0x400E873: _dl_catch_error (dl-error.c:187) ==13472== by 0x52555DC: _dlerror_run (dlerror.c:163) ==13472== by 0x52550C0: dlopen@@GLIBC_2.2.5 (dlopen.c:87) ==13472== by 0x4007AF: main (dlopen_main.c:13) ==13472== ==13472== Conditional jump or move depends on uninitialised value(s) ==13472== at 0x3805519D: bm_cache_lookup (drd_bitmap.h:398) ==13472== by 0x3805519D: bm2_lookup_or_insert (drd_bitmap.h:608) ==13472== by 0x3805519D: bm2_lookup_or_insert_exclusive (drd_bitmap.h:640) ==13472== by 0x3805519D: bm_access_aligned_load (drd_bitmap.h:668) ==13472== by 0x3805519D: vgDrd_bm_access_load_1 (drd_bitmap.c:203) ==13472== by 0x3805519D: bm_access_load_1_triggers_conflict (drd_thread_bitmap.h:37) ==13472== by 0x3805519D: drd_trace_load_1 (drd_load_store.c:199) ==13472== by 0xFE5E5F6A9: ??? ==13472== by 0xFE4A60EBF: ??? ==13472== by 0xFE18192FF: ??? ==13472== by 0x400A9B6: _dl_new_object (dl-object.c:191) ==13472== by 0x3808B90F: ??? (m_translate.c:752) ==13472== by 0x100000000: ??? ==13472== by 0xFE4A60EA7: ??? ==13472== by 0xFE4A60EBF: ??? ==13472== by 0xFE18192FF: ??? ==13472== by 0x400A9B6: _dl_new_object (dl-object.c:191) ==13472== by 0xF000155A5: ??? ==13472== by 0x380D392E: thread_wrapper (syswrap-linux.c:103) ==13472== by 0x380D392E: run_a_thread_NORETURN (syswrap-linux.c:156) ==13472== by 0x58084350: _______VVVVVVVV_appended_inner_guest_stack_VVVVVVVV_______ (m_execontext.c:332) ==13472== by 0x401783D: index (strchr.S:135) ==13472== by 0x400AA79: _dl_new_object (dl-object.c:205) ==13472== by 0x4005E43: _dl_map_object_from_fd (dl-load.c:1059) ==13472== by 0x400805E: _dl_map_object (dl-load.c:2605) ==13472== by 0x40129E4: dl_open_worker (dl-open.c:235) ==13472== by 0x400E873: _dl_catch_error (dl-error.c:187) ==13472== by 0x40123FA: _dl_open (dl-open.c:661) ==13472== by 0x525502A: dlopen_doit (dlopen.c:66) ==13472== by 0x400E873: _dl_catch_error (dl-error.c:187) ==13472== by 0x52555DC: _dlerror_run (dlerror.c:163) ==13472== by 0x52550C0: dlopen@@GLIBC_2.2.5 (dlopen.c:87) ==13472== by 0x4007AF: main (dlopen_main.c:13) ==13472== ==13472== Conditional jump or move depends on uninitialised value(s) ==13472== at 0x380551AB: bm_cache_lookup (drd_bitmap.h:405) ==13472== by 0x380551AB: bm2_lookup_or_insert (drd_bitmap.h:608) ==13472== by 0x380551AB: bm2_lookup_or_insert_exclusive (drd_bitmap.h:640) ==13472== by 0x380551AB: bm_access_aligned_load (drd_bitmap.h:668) ==13472== by 0x380551AB: vgDrd_bm_access_load_1 (drd_bitmap.c:203) ==13472== by 0x380551AB: bm_access_load_1_triggers_conflict (drd_thread_bitmap.h:37) ==13472== by 0x380551AB: drd_trace_load_1 (drd_load_store.c:199) ==13472== by 0xFE5E5F6A9: ??? ==13472== by 0xFE4A60EBF: ??? ==13472== by 0xFE18192FF: ??? ==13472== by 0x400A9B6: _dl_new_object (dl-object.c:191) ==13472== by 0x3808B90F: ??? (m_translate.c:752) ==13472== by 0x100000000: ??? ==13472== by 0xFE4A60EA7: ??? ==13472== by 0xFE4A60EBF: ??? ==13472== by 0xFE18192FF: ??? ==13472== by 0x400A9B6: _dl_new_object (dl-object.c:191) ==13472== by 0xF000155A5: ??? ==13472== by 0x380D392E: thread_wrapper (syswrap-linux.c:103) ==13472== by 0x380D392E: run_a_thread_NORETURN (syswrap-linux.c:156) ==13472== by 0x58084350: _______VVVVVVVV_appended_inner_guest_stack_VVVVVVVV_______ (m_execontext.c:332) ==13472== by 0x401783D: index (strchr.S:135) ==13472== by 0x400AA79: _dl_new_object (dl-object.c:205) ==13472== by 0x4005E43: _dl_map_object_from_fd (dl-load.c:1059) ==13472== by 0x400805E: _dl_map_object (dl-load.c:2605) ==13472== by 0x40129E4: dl_open_worker (dl-open.c:235) ==13472== by 0x400E873: _dl_catch_error (dl-error.c:187) ==13472== by 0x40123FA: _dl_open (dl-open.c:661) ==13472== by 0x525502A: dlopen_doit (dlopen.c:66) ==13472== by 0x400E873: _dl_catch_error (dl-error.c:187) ==13472== by 0x52555DC: _dlerror_run (dlerror.c:163) ==13472== by 0x52550C0: dlopen@@GLIBC_2.2.5 (dlopen.c:87) ==13472== by 0x4007AF: main (dlopen_main.c:13) ==13472== ==13472== Use of uninitialised value of size 8 ==13472== at 0x3805526F: bm0_set_range (drd_bitmap.h:262) ==13472== by 0x3805526F: bm_access_aligned_load (drd_bitmap.h:669) ==13472== by 0x3805526F: vgDrd_bm_access_load_1 (drd_bitmap.c:203) ==13472== by 0x3805526F: bm_access_load_1_triggers_conflict (drd_thread_bitmap.h:37) ==13472== by 0x3805526F: drd_trace_load_1 (drd_load_store.c:199) ==13472== by 0xFE5E5F6A9: ??? ==13472== by 0xFE4A60EBF: ??? ==13472== by 0xFE18192FF: ??? ==13472== by 0x400A9B6: _dl_new_object (dl-object.c:191) ==13472== by 0x3808B90F: ??? (m_translate.c:752) ==13472== by 0x100000000: ??? ==13472== by 0xFE4A60EA7: ??? ==13472== by 0xFE4A60EBF: ??? ==13472== by 0xFE18192FF: ??? ==13472== by 0x400A9B6: _dl_new_object (dl-object.c:191) ==13472== by 0xF000155A5: ??? ==13472== by 0x380D392E: thread_wrapper (syswrap-linux.c:103) ==13472== by 0x380D392E: run_a_thread_NORETURN (syswrap-linux.c:156) ==13472== by 0x58084350: _______VVVVVVVV_appended_inner_guest_stack_VVVVVVVV_______ (m_execontext.c:332) ==13472== by 0x401783D: index (strchr.S:135) ==13472== by 0x400AA79: _dl_new_object (dl-object.c:205) ==13472== by 0x4005E43: _dl_map_object_from_fd (dl-load.c:1059) ==13472== by 0x400805E: _dl_map_object (dl-load.c:2605) ==13472== by 0x40129E4: dl_open_worker (dl-open.c:235) ==13472== by 0x400E873: _dl_catch_error (dl-error.c:187) ==13472== by 0x40123FA: _dl_open (dl-open.c:661) ==13472== by 0x525502A: dlopen_doit (dlopen.c:66) ==13472== by 0x400E873: _dl_catch_error (dl-error.c:187) ==13472== by 0x52555DC: _dlerror_run (dlerror.c:163) ==13472== by 0x52550C0: dlopen@@GLIBC_2.2.5 (dlopen.c:87) ==13472== by 0x4007AF: main (dlopen_main.c:13) ==13472== ==13472== Conditional jump or move depends on uninitialised value(s) ==13472== at 0x38055286: bm_cache_lookup (drd_bitmap.h:391) ==13472== by 0x38055286: bm2_lookup (drd_bitmap.h:510) ==13472== by 0x38055286: bm_aligned_load_has_conflict_with (drd_bitmap.h:700) ==13472== by 0x38055286: vgDrd_bm_load_1_has_conflict_with (drd_bitmap.c:880) ==13472== by 0x38055286: bm_access_load_1_triggers_conflict (drd_thread_bitmap.h:38) ==13472== by 0x38055286: drd_trace_load_1 (drd_load_store.c:199) ==13472== by 0xFE5E5F6A9: ??? ==13472== by 0xFE4A60EBF: ??? ==13472== by 0xFE18192FF: ??? ==13472== by 0x400A9B6: _dl_new_object (dl-object.c:191) ==13472== by 0x3808B90F: ??? (m_translate.c:752) ==13472== by 0x100000000: ??? ==13472== by 0xFE4A60EA7: ??? ==13472== by 0xFE4A60EBF: ??? ==13472== by 0xFE18192FF: ??? ==13472== by 0x400A9B6: _dl_new_object (dl-object.c:191) ==13472== by 0xF000155A5: ??? ==13472== by 0x380D392E: thread_wrapper (syswrap-linux.c:103) ==13472== by 0x380D392E: run_a_thread_NORETURN (syswrap-linux.c:156) ==13472== by 0x58084350: _______VVVVVVVV_appended_inner_guest_stack_VVVVVVVV_______ (m_execontext.c:332) ==13472== by 0x401783D: index (strchr.S:135) ==13472== by 0x400AA79: _dl_new_object (dl-object.c:205) ==13472== by 0x4005E43: _dl_map_object_from_fd (dl-load.c:1059) ==13472== by 0x400805E: _dl_map_object (dl-load.c:2605) ==13472== by 0x40129E4: dl_open_worker (dl-open.c:235) ==13472== by 0x400E873: _dl_catch_error (dl-error.c:187) ==13472== by 0x40123FA: _dl_open (dl-open.c:661) ==13472== by 0x525502A: dlopen_doit (dlopen.c:66) ==13472== by 0x400E873: _dl_catch_error (dl-error.c:187) ==13472== by 0x52555DC: _dlerror_run (dlerror.c:163) ==13472== by 0x52550C0: dlopen@@GLIBC_2.2.5 (dlopen.c:87) ==13472== by 0x4007AF: main (dlopen_main.c:13) ==13472== ==13472== Conditional jump or move depends on uninitialised value(s) ==13472== at 0x38055291: bm_cache_lookup (drd_bitmap.h:398) ==13472== by 0x38055291: bm2_lookup (drd_bitmap.h:510) ==13472== by 0x38055291: bm_aligned_load_has_conflict_with (drd_bitmap.h:700) ==13472== by 0x38055291: vgDrd_bm_load_1_has_conflict_with (drd_bitmap.c:880) ==13472== by 0x38055291: bm_access_load_1_triggers_conflict (drd_thread_bitmap.h:38) ==13472== by 0x38055291: drd_trace_load_1 (drd_load_store.c:199) ==13472== by 0xFE5E5F6A9: ??? ==13472== by 0xFE4A60EBF: ??? ==13472== by 0xFE18192FF: ??? ==13472== by 0x400A9B6: _dl_new_object (dl-object.c:191) ==13472== by 0x3808B90F: ??? (m_translate.c:752) ==13472== by 0x100000000: ??? ==13472== by 0xFE4A60EA7: ??? ==13472== by 0xFE4A60EBF: ??? ==13472== by 0xFE18192FF: ??? ==13472== by 0x400A9B6: _dl_new_object (dl-object.c:191) ==13472== by 0xF000155A5: ??? ==13472== by 0x380D392E: thread_wrapper (syswrap-linux.c:103) ==13472== by 0x380D392E: run_a_thread_NORETURN (syswrap-linux.c:156) ==13472== by 0x58084350: _______VVVVVVVV_appended_inner_guest_stack_VVVVVVVV_______ (m_execontext.c:332) ==13472== by 0x401783D: index (strchr.S:135) ==13472== by 0x400AA79: _dl_new_object (dl-object.c:205) ==13472== by 0x4005E43: _dl_map_object_from_fd (dl-load.c:1059) ==13472== by 0x400805E: _dl_map_object (dl-load.c:2605) ==13472== by 0x40129E4: dl_open_worker (dl-open.c:235) ==13472== by 0x400E873: _dl_catch_error (dl-error.c:187) ==13472== by 0x40123FA: _dl_open (dl-open.c:661) ==13472== by 0x525502A: dlopen_doit (dlopen.c:66) ==13472== by 0x400E873: _dl_catch_error (dl-error.c:187) ==13472== by 0x52555DC: _dlerror_run (dlerror.c:163) ==13472== by 0x52550C0: dlopen@@GLIBC_2.2.5 (dlopen.c:87) ==13472== by 0x4007AF: main (dlopen_main.c:13) ==13472== ==13472== Conditional jump or move depends on uninitialised value(s) ==13472== at 0x3805529C: bm_cache_lookup (drd_bitmap.h:405) ==13472== by 0x3805529C: bm2_lookup (drd_bitmap.h:510) ==13472== by 0x3805529C: bm_aligned_load_has_conflict_with (drd_bitmap.h:700) ==13472== by 0x3805529C: vgDrd_bm_load_1_has_conflict_with (drd_bitmap.c:880) ==13472== by 0x3805529C: bm_access_load_1_triggers_conflict (drd_thread_bitmap.h:38) ==13472== by 0x3805529C: drd_trace_load_1 (drd_load_store.c:199) ==13472== by 0xFE5E5F6A9: ??? ==13472== by 0xFE4A60EBF: ??? ==13472== by 0xFE18192FF: ??? ==13472== by 0x400A9B6: _dl_new_object (dl-object.c:191) ==13472== by 0x3808B90F: ??? (m_translate.c:752) ==13472== by 0x100000000: ??? ==13472== by 0xFE4A60EA7: ??? ==13472== by 0xFE4A60EBF: ??? ==13472== by 0xFE18192FF: ??? ==13472== by 0x400A9B6: _dl_new_object (dl-object.c:191) ==13472== by 0xF000155A5: ??? ==13472== by 0x380D392E: thread_wrapper (syswrap-linux.c:103) ==13472== by 0x380D392E: run_a_thread_NORETURN (syswrap-linux.c:156) ==13472== by 0x58084350: _______VVVVVVVV_appended_inner_guest_stack_VVVVVVVV_______ (m_execontext.c:332) ==13472== by 0x401783D: index (strchr.S:135) ==13472== by 0x400AA79: _dl_new_object (dl-object.c:205) ==13472== by 0x4005E43: _dl_map_object_from_fd (dl-load.c:1059) ==13472== by 0x400805E: _dl_map_object (dl-load.c:2605) ==13472== by 0x40129E4: dl_open_worker (dl-open.c:235) ==13472== by 0x400E873: _dl_catch_error (dl-error.c:187) ==13472== by 0x40123FA: _dl_open (dl-open.c:661) ==13472== by 0x525502A: dlopen_doit (dlopen.c:66) ==13472== by 0x400E873: _dl_catch_error (dl-error.c:187) ==13472== by 0x52555DC: _dlerror_run (dlerror.c:163) ==13472== by 0x52550C0: dlopen@@GLIBC_2.2.5 (dlopen.c:87) ==13472== by 0x4007AF: main (dlopen_main.c:13) ==13472== ==13472== Use of uninitialised value of size 8 ==13472== at 0xFE5E5F6B5: ??? ==13472== by 0xFE4A60EBF: ??? ==13472== by 0xFE18192FF: ??? ==13472== by 0x400A9B6: _dl_new_object (dl-object.c:191) ==13472== by 0x3808B90F: ??? (m_translate.c:752) ==13472== by 0x100000000: ??? ==13472== by 0xFE4A60EA7: ??? ==13472== by 0xFE4A60EBF: ??? ==13472== by 0xFE18192FF: ??? ==13472== by 0x400A9B6: _dl_new_object (dl-object.c:191) ==13472== by 0xF000155A5: ??? ==13472== by 0x380D392E: thread_wrapper (syswrap-linux.c:103) ==13472== by 0x380D392E: run_a_thread_NORETURN (syswrap-linux.c:156) ==13472== by 0x58084350: _______VVVVVVVV_appended_inner_guest_stack_VVVVVVVV_______ (m_execontext.c:332) ==13472== by 0x401783D: index (strchr.S:135) ==13472== by 0x400AA79: _dl_new_object (dl-object.c:205) ==13472== by 0x4005E43: _dl_map_object_from_fd (dl-load.c:1059) ==13472== by 0x400805E: _dl_map_object (dl-load.c:2605) ==13472== by 0x40129E4: dl_open_worker (dl-open.c:235) ==13472== by 0x400E873: _dl_catch_error (dl-error.c:187) ==13472== by 0x40123FA: _dl_open (dl-open.c:661) ==13472== by 0x525502A: dlopen_doit (dlopen.c:66) ==13472== by 0x400E873: _dl_catch_error (dl-error.c:187) ==13472== by 0x52555DC: _dlerror_run (dlerror.c:163) ==13472== by 0x52550C0: dlopen@@GLIBC_2.2.5 (dlopen.c:87) ==13472== by 0x4007AF: main (dlopen_main.c:13) ==13472== ==13472== ==13472== HEAP SUMMARY: ==13472== in use at exit: 50,238,064 bytes in 344,883 blocks ==13472== total heap usage: 3,474,661 allocs, 3,129,778 frees, 426,413,520 bytes allocated ==13472== ==13472== LEAK SUMMARY: ==13472== definitely lost: 0 bytes in 0 blocks ==13472== indirectly lost: 0 bytes in 0 blocks ==13472== possibly lost: 0 bytes in 0 blocks ==13472== still reachable: 50,237,680 bytes in 344,882 blocks ==13472== suppressed: 384 bytes in 1 blocks ==13472== Reachable blocks (those to which a pointer was found) are not shown. ==13472== To see them, rerun with: --leak-check=full --show-leak-kinds=all ==13472== ==13472== For counts of detected and suppressed errors, rerun with: -v ==13472== Use --track-origins=yes to see where uninitialised values come from ==13472== ERROR SUMMARY: 9 errors from 9 contexts (suppressed: 1 from 1) |