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[PULL,2/7] fuzz: refine the ide/ahci fuzzer configs

Message ID 20210120173536.265601-5-alxndr@bu.edu (mailing list archive)
State New, archived
Headers show
Series [PULL,1/7] docs/fuzz: fix pre-meson path | expand

Commit Message

Alexander Bulekov Jan. 20, 2021, 5:35 p.m. UTC 
Disks work differently depending on the x86 machine type (SATA vs PATA).
Additionally, we should fuzz the atapi code paths, which might contain
vulnerabilities such as CVE-2020-29443. This patch adds hard-disk and
cdrom generic-fuzzer configs for both the pc (PATA) and q35 (SATA)
machine types.

Signed-off-by: Alexander Bulekov <alxndr@bu.edu>
Reviewed-by: Darren Kenny <darren.kenny@oracle.com>
---
 tests/qtest/fuzz/generic_fuzz_configs.h | 20 +++++++++++++++++++-
 1 file changed, 19 insertions(+), 1 deletion(-)
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Patch

diff --git a/tests/qtest/fuzz/generic_fuzz_configs.h b/tests/qtest/fuzz/generic_fuzz_configs.h
index 7fed035345..aa4c03f1ae 100644
--- a/tests/qtest/fuzz/generic_fuzz_configs.h
+++ b/tests/qtest/fuzz/generic_fuzz_configs.h
@@ -85,10 +85,28 @@  const generic_fuzz_config predefined_configs[] = {
         .objects = "intel-hda",
     },{
         .name = "ide-hd",
+        .args = "-machine pc -nodefaults "
+        "-drive file=null-co://,if=none,format=raw,id=disk0 "
+        "-device ide-hd,drive=disk0",
+        .objects = "*ide*",
+    },{
+        .name = "ide-atapi",
+        .args = "-machine pc -nodefaults "
+        "-drive file=null-co://,if=none,format=raw,id=disk0 "
+        "-device ide-cd,drive=disk0",
+        .objects = "*ide*",
+    },{
+        .name = "ahci-hd",
         .args = "-machine q35 -nodefaults "
         "-drive file=null-co://,if=none,format=raw,id=disk0 "
         "-device ide-hd,drive=disk0",
-        .objects = "ahci*",
+        .objects = "*ahci*",
+    },{
+        .name = "ahci-atapi",
+        .args = "-machine q35 -nodefaults "
+        "-drive file=null-co://,if=none,format=raw,id=disk0 "
+        "-device ide-cd,drive=disk0",
+        .objects = "*ahci*",
     },{
         .name = "floppy",
         .args = "-machine pc -nodefaults -device floppy,id=floppy0 "