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Posted to dev@qpid.apache.org by "ASF GitHub Bot (Jira)" <ji...@apache.org> on 2021/04/03 15:54:00 UTC
[jira] [Commented] (DISPATCH-2030) core_link_endpoint.c: runtime
error: store to misaligned address
[ https://issues.apache.org/jira/browse/DISPATCH-2030?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17314282#comment-17314282 ]
ASF GitHub Bot commented on DISPATCH-2030:
------------------------------------------
jiridanek opened a new pull request #1101:
URL: https://github.com/apache/qpid-dispatch/pull/1101
1. UBSAN is not killing the process the moment undefined behavior is detected. This is easily fixed by doing `set(RUNTIME_UBSAN_ENV_OPTIONS "halt_on_error=1 abort_on_error=1")`, but then the tests timeout all the time. Not useful.
2. UBSAN is not printing diagnostics. That is fixed by doing `set(RUNTIME_UBSAN_ENV_OPTIONS "print_stacktrace=1 print_summary=1")`
3. ASAN has extra checks that can be enabled. Enabling them does not find any new issues, so far. But it sounds like a sensible thing to turn on, for the future. `set(RUNTIME_ASAN_ENV_OPTIONS "strict_string_checks=1 detect_stack_use_after_return=1 check_initialization_order=1 strict_init_order=1")`
4. System tests don't print `.out` files produced by running routers, even if there are messages from sanitizers in them. Let's fix that. This means that tests become _quite_ chatty. Maybe not something that should be turned on forever, but now it's good to see the UBSAN messages.
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> core_link_endpoint.c: runtime error: store to misaligned address
> ----------------------------------------------------------------
>
> Key: DISPATCH-2030
> URL: https://issues.apache.org/jira/browse/DISPATCH-2030
> Project: Qpid Dispatch
> Issue Type: Bug
> Affects Versions: 1.16.0
> Reporter: Jiri Daněk
> Priority: Major
>
> https://github.com/jiridanek/qpid-dispatch/runs/2259640865#step:9:1308
> {noformat}
> 56: ../src/router_core/core_link_endpoint.c:143:25: runtime error: store to misaligned address 0x61600011dd9c for type 'uint64_t', which requires 8 byte alignment
> 56: 0x61600011dd9c: note: pointer points here
> 56: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
> 56: ^
> 56: #0 0x7fdb81066f7f in qdrc_endpoint_delivery_CT ../src/router_core/core_link_endpoint.c:143
> 56: #1 0x7fdb8110a395 in source_send ../src/router_core/modules/test_hooks/core_test_hooks.c:110
> 56: #2 0x7fdb810f8964 in qdr_link_flow_CT ../src/router_core/transfer.c:431
> 56: #3 0x7fdb810d37c8 in router_core_thread ../src/router_core/router_core_thread.c:239
> 56: #4 0x7fdb809dd608 in start_thread (/lib/x86_64-linux-gnu/libpthread.so.0+0x9608)
> 56: #5 0x7fdb7ff97292 in __clone (/lib/x86_64-linux-gnu/libc.so.6+0x122292)
> 56:
> 56: SUMMARY: UndefinedBehaviorSanitizer: undefined-behavior ../src/router_core/core_link_endpoint.c:143:25 in
> {noformat}
> https://github.com/jiridanek/qpid-dispatch/runs/2259640847#step:9:1674
> {noformat}
> 59: ../src/router_core/core_link_endpoint.c:143:25: runtime error: store to misaligned address 0x616000117d9c for type 'uint64_t', which requires 8 byte alignment
> 59: 0x616000117d9c: note: pointer points here
> 59: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
> 59: ^
> 59: #0 0x7f0e89f77f7f in qdrc_endpoint_delivery_CT ../src/router_core/core_link_endpoint.c:143
> 59: #1 0x7f0e89f7f292 in _flush_send_queue_CT ../src/router_core/core_client_api.c:288
> 59: #2 0x7f0e89f82b4e in _send_request_CT ../src/router_core/core_client_api.c:270
> 59: #3 0x7f0e89f82b4e in qdrc_client_request_CT ../src/router_core/core_client_api.c:259
> 59: #4 0x7f0e8a01d154 in _do_send ../src/router_core/modules/test_hooks/core_test_hooks.c:551
> 59: #5 0x7f0e89f8128f in _sender_flow_CT ../src/router_core/core_client_api.c:448
> 59: #6 0x7f0e8a009964 in qdr_link_flow_CT ../src/router_core/transfer.c:431
> 59: #7 0x7f0e89fe47c8 in router_core_thread ../src/router_core/router_core_thread.c:239
> 59: #8 0x7f0e898ee608 in start_thread (/lib/x86_64-linux-gnu/libpthread.so.0+0x9608)
> 59: #9 0x7f0e88ea8292 in __clone (/lib/x86_64-linux-gnu/libc.so.6+0x122292)
> 59:
> 59: SUMMARY: UndefinedBehaviorSanitizer: undefined-behavior ../src/router_core/core_link_endpoint.c:143:25 in
> {noformat}
> And also
> {noformat}
> SUMMARY: UndefinedBehaviorSanitizer: undefined-behavior ../src/router_core/core_link_endpoint.c:143:5 in
> ../src/router_core/core_link_endpoint.c:124:5: runtime error: store to misaligned address 0x616000137e9c for type 'uint64_t' (aka 'unsigned long'), which requires 8 byte alignment
> 0x616000137e9c: note: pointer points here
> {noformat}
> (I did not get a stacktrace for this one, sorry)
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