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valgrind: Syscall param ppoll(ufds.events) points to uninitialised byte(s) #28072
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To reproduce without tests:
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Maybe someone can transform this into a standalone minimal cpp file to submit to valgrind or musl? |
Done:
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Opened a bug report with Valgrind: https://bugs.kde.org/show_bug.cgi?id=472219 |
Ok, let's continue discussion there. |
fanquake
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Now that https://bugs.kde.org/show_bug.cgi?id=472219 has been fixed upstream in: https://sourceware.org/git/?p=valgrind.git;a=commit;h=6ce0979884a8f246c80a098333ceef1a7b7f694d Add a supression to ignore the bug until we are using a fixed version of Valgrind. Related to bitcoin#28072.
fanquake
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Now that https://bugs.kde.org/show_bug.cgi?id=472219 has been fixed upstream in: https://sourceware.org/git/?p=valgrind.git;a=commit;h=6ce0979884a8f246c80a098333ceef1a7b7f694d Add a supression to ignore the bug until we are using a fixed version of Valgrind. Related to bitcoin#28072.
fanquake
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50f7214 valgrind: add suppression for bug 472219 (fanquake) Pull request description: Now that https://bugs.kde.org/show_bug.cgi?id=472219 has been fixed upstream in: https://sourceware.org/git/?p=valgrind.git;a=commit;h=6ce0979884a8f246c80a098333ceef1a7b7f694d Add a supression to ignore the bug until we are using a fixed version of Valgrind. Related to #28072. ACKs for top commit: MarcoFalke: lgtm ACK 50f7214 Tree-SHA512: 1030f3709195250350fd9c558420a9b1773fb54fdb323e0452a46eeb69ec6d60b5df50bde617c12d917e16dde07db64dee1b0101ddd4eda6161261fc7f6d4474
sidhujag
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50f7214 valgrind: add suppression for bug 472219 (fanquake) Pull request description: Now that https://bugs.kde.org/show_bug.cgi?id=472219 has been fixed upstream in: https://sourceware.org/git/?p=valgrind.git;a=commit;h=6ce0979884a8f246c80a098333ceef1a7b7f694d Add a supression to ignore the bug until we are using a fixed version of Valgrind. Related to bitcoin#28072. ACKs for top commit: MarcoFalke: lgtm ACK 50f7214 Tree-SHA512: 1030f3709195250350fd9c558420a9b1773fb54fdb323e0452a46eeb69ec6d60b5df50bde617c12d917e16dde07db64dee1b0101ddd4eda6161261fc7f6d4474
eriknylund
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Aug 17, 2023
Now that https://bugs.kde.org/show_bug.cgi?id=472219 has been fixed upstream in: https://sourceware.org/git/?p=valgrind.git;a=commit;h=6ce0979884a8f246c80a098333ceef1a7b7f694d Add a supression to ignore the bug until we are using a fixed version of Valgrind. Related to bitcoin#28072.
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Using master, GCC 12.2.1, Valgrind 3.21.0 (system), aarch64, Alpine Linux (musl libc):
Full logs: https://gist.github.com/fanquake/8e8ce3efcdbf77a85103a36c29c3e68c.
Looking at other discussion, seems like this is likely a Valgrind false-positive, so we may just want to suppress.
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