Merge remote-tracking branch 'remotes/bonzini-gitlab/tags/for-upstream' into staging

* add --enable/--disable-libgio to configure (Denis)
* small fixes (Pavel, myself)
* fuzzing update (Alexander)

# gpg: Signature made Tue 16 Mar 2021 18:30:38 GMT
# gpg:                using RSA key F13338574B662389866C7682BFFBD25F78C7AE83
# gpg:                issuer "pbonzini@redhat.com"
# gpg: Good signature from "Paolo Bonzini <bonzini@gnu.org>" [full]
# gpg:                 aka "Paolo Bonzini <pbonzini@redhat.com>" [full]
# Primary key fingerprint: 46F5 9FBD 57D6 12E7 BFD4  E2F7 7E15 100C CD36 69B1
#      Subkey fingerprint: F133 3857 4B66 2389 866C  7682 BFFB D25F 78C7 AE83

* remotes/bonzini-gitlab/tags/for-upstream:
  qemu-timer: allow freeing a NULL timer
  hw/i8254: fix vmstate load
  scsi: fix sense code for EREMOTEIO
  Revert "accel: kvm: Add aligment assert for kvm_log_clear_one_slot"
  configure: add option to explicitly enable/disable libgio
  fuzz: move some DMA hooks
  fuzz: configure a sparse-mem device, by default
  memory: add a sparse memory device for fuzzing
  fuzz: add a am53c974 generic-fuzzer config
  fuzz: add instructions for building reproducers
  fuzz: add a script to build reproducers
  fuzz: don't leave orphan llvm-symbolizers around
  fuzz: fix the pro100 generic-fuzzer config
  MAINTAINERS: Cover fuzzer reproducer tests within 'Device Fuzzing'
  tests/qtest: Only run fuzz-virtio-scsi when virtio-scsi is available
  tests/qtest: Only run fuzz-megasas-test if megasas device is available

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>

1 files changed, 75 insertions, 0 deletions

diff --git a/tests/qtest/fuzz-virtio-scsi-test.c b/tests/qtest/fuzz-virtio-scsi-test.c
new file mode 100644
index 0000000000..aaf6d10e18
--- /dev/null
+++ b/tests/qtest/fuzz-virtio-scsi-test.c
@@ -0,0 +1,75 @@
+/*
+ * QTest fuzzer-generated testcase for virtio-scsi device
+ *
+ * Copyright (c) 2020 Li Qiang <liq3ea@gmail.com>
+ *
+ * This work is licensed under the terms of the GNU GPL, version 2 or later.
+ * See the COPYING file in the top-level directory.
+ */
+
+#include "qemu/osdep.h"
+
+#include "libqos/libqtest.h"
+
+/*
+ * Here a MemoryRegionCache pointed to an MMIO region but had a
+ * larger size than the underlying region.
+ */
+static void test_mmio_oob_from_memory_region_cache(void)
+{
+    QTestState *s;
+
+    s = qtest_init("-M pc-q35-5.2 -display none -m 512M "
+                   "-device virtio-scsi,num_queues=8,addr=03.0 ");
+
+    qtest_outl(s, 0xcf8, 0x80001811);
+    qtest_outb(s, 0xcfc, 0x6e);
+    qtest_outl(s, 0xcf8, 0x80001824);
+    qtest_outl(s, 0xcf8, 0x80001813);
+    qtest_outl(s, 0xcfc, 0xa080000);
+    qtest_outl(s, 0xcf8, 0x80001802);
+    qtest_outl(s, 0xcfc, 0x5a175a63);
+    qtest_outb(s, 0x6e08, 0x9e);
+    qtest_writeb(s, 0x9f003, 0xff);
+    qtest_writeb(s, 0x9f004, 0x01);
+    qtest_writeb(s, 0x9e012, 0x0e);
+    qtest_writeb(s, 0x9e01b, 0x0e);
+    qtest_writeb(s, 0x9f006, 0x01);
+    qtest_writeb(s, 0x9f008, 0x01);
+    qtest_writeb(s, 0x9f00a, 0x01);
+    qtest_writeb(s, 0x9f00c, 0x01);
+    qtest_writeb(s, 0x9f00e, 0x01);
+    qtest_writeb(s, 0x9f010, 0x01);
+    qtest_writeb(s, 0x9f012, 0x01);
+    qtest_writeb(s, 0x9f014, 0x01);
+    qtest_writeb(s, 0x9f016, 0x01);
+    qtest_writeb(s, 0x9f018, 0x01);
+    qtest_writeb(s, 0x9f01a, 0x01);
+    qtest_writeb(s, 0x9f01c, 0x01);
+    qtest_writeb(s, 0x9f01e, 0x01);
+    qtest_writeb(s, 0x9f020, 0x01);
+    qtest_writeb(s, 0x9f022, 0x01);
+    qtest_writeb(s, 0x9f024, 0x01);
+    qtest_writeb(s, 0x9f026, 0x01);
+    qtest_writeb(s, 0x9f028, 0x01);
+    qtest_writeb(s, 0x9f02a, 0x01);
+    qtest_writeb(s, 0x9f02c, 0x01);
+    qtest_writeb(s, 0x9f02e, 0x01);
+    qtest_writeb(s, 0x9f030, 0x01);
+    qtest_outb(s, 0x6e10, 0x00);
+    qtest_quit(s);
+}
+
+int main(int argc, char **argv)
+{
+    const char *arch = qtest_get_arch();
+
+    g_test_init(&argc, &argv, NULL);
+
+    if (strcmp(arch, "i386") == 0 || strcmp(arch, "x86_64") == 0) {
+        qtest_add_func("fuzz/test_mmio_oob_from_memory_region_cache",
+                       test_mmio_oob_from_memory_region_cache);
+    }
+
+    return g_test_run();
+}