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authorAlexander Bulekov <alxndr@bu.edu>2020-06-18 12:05:16 -0400
committerThomas Huth <thuth@redhat.com>2020-07-06 07:37:02 +0200
commit45222b9a9016488289a1938a528239c3b83eddb1 (patch)
tree322669ece58bf6a7bea4192a109a854989f8d3fe /tests
parenteb6490f544388dd24c0d054a96dd304bc7284450 (diff)
fuzz: fix broken qtest check at rcu_disable_atfork
The qtest_enabled check introduced in d6919e4 always returns false, as it is called prior to configure_accelerators(). Instead of trying to skip rcu_disable_atfork in qemu_main, simply call rcu_enable_atfork in the fuzzer, after qemu_main returns. Reported-by: Thomas Huth <thuth@redhat.com> Signed-off-by: Alexander Bulekov <alxndr@bu.edu> Message-Id: <20200618160516.2817-1-alxndr@bu.edu> Signed-off-by: Thomas Huth <thuth@redhat.com>
Diffstat (limited to 'tests')
-rw-r--r--tests/qtest/fuzz/fuzz.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/tests/qtest/fuzz/fuzz.c b/tests/qtest/fuzz/fuzz.c
index a44fe479db..a36d9038e0 100644
--- a/tests/qtest/fuzz/fuzz.c
+++ b/tests/qtest/fuzz/fuzz.c
@@ -211,5 +211,8 @@ int LLVMFuzzerInitialize(int *argc, char ***argv, char ***envp)
qemu_init(result.we_wordc, result.we_wordv, NULL);
+ /* re-enable the rcu atfork, which was previously disabled in qemu_init */
+ rcu_enable_atfork();
+
return 0;
}