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fuzz: fix broken qtest check at rcu_disable_atfork

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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>
This commit is contained in:
Alexander Bulekov 2020-06-18 12:05:16 -04:00 • committed by Thomas Huth
parent eb6490f544
commit 45222b9a90
2 changed files with 4 additions and 11 deletions
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3
tests/qtest/fuzz/fuzz.c
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@ -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;
}