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authorPhilippe Mathieu-Daudé <philmd@redhat.com>2021-11-19 21:11:41 +0100
committerPaolo Bonzini <pbonzini@redhat.com>2021-12-18 10:57:37 +0100
commit08c34c642dbcb5f7d9d94b07b471f80e333541cc (patch)
tree6be49ca463bf77dbd7ba7702d1280c3710a643d8
parent97a2b074d150918a7a3a4065b946a52d4d0be8a3 (diff)
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tests/qtest/fuzz-megasas-test: Add test for GitLab issue #521
Without the previous commit, this test triggers: $ make check-qtest-x86_64 [...] Running test qtest-x86_64/fuzz-megasas-test qemu-system-x86_64: softmmu/physmem.c:3229: address_space_unmap: Assertion `mr != NULL' failed. Broken pipe ERROR qtest-x86_64/fuzz-megasas-test - too few tests run (expected 2, got 1) Suggested-by: Alexander Bulekov <alxndr@bu.edu> Signed-off-by: Philippe Mathieu-Daudé <philmd@redhat.com> Reviewed-by: Darren Kenny <darren.kenny@oracle.com> Message-Id: <20211119201141.532377-3-philmd@redhat.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
-rw-r--r--tests/qtest/fuzz-megasas-test.c30
1 files changed, 30 insertions, 0 deletions
diff --git a/tests/qtest/fuzz-megasas-test.c b/tests/qtest/fuzz-megasas-test.c
index 940a76b..e1141c5 100644
--- a/tests/qtest/fuzz-megasas-test.c
+++ b/tests/qtest/fuzz-megasas-test.c
@@ -34,6 +34,34 @@ static void test_lp1878263_megasas_zero_iov_cnt(void)
qtest_quit(s);
}
+/*
+ * Overflow SGL buffer.
+ * https://gitlab.com/qemu-project/qemu/-/issues/521
+ */
+static void test_gitlab_issue521_megasas_sgl_ovf(void)
+{
+ QTestState *s = qtest_init("-display none -m 32M -machine q35 "
+ "-nodefaults -device megasas "
+ "-device scsi-cd,drive=null0 "
+ "-blockdev "
+ "driver=null-co,read-zeroes=on,node-name=null0");
+ qtest_outl(s, 0xcf8, 0x80000818);
+ qtest_outl(s, 0xcfc, 0xc000);
+ qtest_outl(s, 0xcf8, 0x80000804);
+ qtest_outw(s, 0xcfc, 0x05);
+ qtest_bufwrite(s, 0x0, "\x01", 0x1);
+ qtest_bufwrite(s, 0x7, "\x01", 0x1);
+ qtest_bufwrite(s, 0x10, "\x02", 0x1);
+ qtest_bufwrite(s, 0x16, "\x01", 0x1);
+ qtest_bufwrite(s, 0x28, "\x01", 0x1);
+ qtest_bufwrite(s, 0x33, "\x01", 0x1);
+ qtest_outb(s, 0xc040, 0x0);
+ qtest_outb(s, 0xc040, 0x20);
+ qtest_outl(s, 0xc040, 0x20000000);
+ qtest_outb(s, 0xc040, 0x20);
+ qtest_quit(s);
+}
+
int main(int argc, char **argv)
{
const char *arch = qtest_get_arch();
@@ -43,6 +71,8 @@ int main(int argc, char **argv)
if (strcmp(arch, "i386") == 0 || strcmp(arch, "x86_64") == 0) {
qtest_add_func("fuzz/test_lp1878263_megasas_zero_iov_cnt",
test_lp1878263_megasas_zero_iov_cnt);
+ qtest_add_func("fuzz/gitlab_issue521_megasas_sgl_ovf",
+ test_gitlab_issue521_megasas_sgl_ovf);
}
return g_test_run();