File 0230-usb-mtp-avoid-dynamic-stack-allocat.patch of Package qemu-linux-user.20748

From: Gerd Hoffmann <kraxel@redhat.com>
Date: Mon, 3 May 2021 15:29:13 +0200
Subject: usb/mtp: avoid dynamic stack allocation
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Git-commit: 06aa50c06c6392084244f8169d34b8e2d9c43ef2
References: bsc#1186012, CVE-2021-3527

Use autofree heap allocation instead.

Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Tested-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Message-Id: <20210503132915.2335822-4-kraxel@redhat.com>
Signed-off-by: Jose R Ziviani <jose.ziviani@suse.com>
---
 hw/usb/dev-mtp.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/hw/usb/dev-mtp.c b/hw/usb/dev-mtp.c
index 36c43b8c20826d1d5c23e337f175..ed1e9313bca1279b5a08f20915c3 100644
--- a/hw/usb/dev-mtp.c
+++ b/hw/usb/dev-mtp.c
@@ -943,7 +943,8 @@ static MTPData *usb_mtp_get_object_handles(MTPState *s, MTPControl *c,
                                            MTPObject *o)
 {
     MTPData *d = usb_mtp_data_alloc(c);
-    uint32_t i = 0, handles[o->nchildren];
+    uint32_t i = 0;
+    g_autofree uint32_t *handles = g_new(uint32_t, o->nchildren);
     MTPObject *iter;
 
     trace_usb_mtp_op_get_object_handles(s->dev.addr, o->handle, o->path);