22 lines
746 B
Diff
22 lines
746 B
Diff
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commit e08a82991a9b9dc87c13f2b89273f25f97d14baf
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Author: Tom Hughes <tom@compton.nu>
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Date: Tue Apr 6 22:44:36 2021 +0100
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Only process clone results in the parent thread
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Fixes BZ#423963
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diff --git a/coregrind/m_syswrap/syswrap-linux.c b/coregrind/m_syswrap/syswrap-linux.c
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index 5ae4e6613..c59d8ee26 100644
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--- a/coregrind/m_syswrap/syswrap-linux.c
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+++ b/coregrind/m_syswrap/syswrap-linux.c
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@@ -940,7 +940,7 @@ PRE(sys_clone)
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("Valgrind does not support general clone().");
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}
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- if (SUCCESS) {
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+ if (SUCCESS && RES != 0) {
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if (ARG_FLAGS & (VKI_CLONE_PARENT_SETTID | VKI_CLONE_PIDFD))
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POST_MEM_WRITE(ARG3, sizeof(Int));
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if (ARG_FLAGS & (VKI_CLONE_CHILD_SETTID | VKI_CLONE_CHILD_CLEARTID))
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