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From: "Philippe Mathieu-Daudé" <philmd@redhat.com>
To: qemu-devel@nongnu.org
Cc: "Kevin Wolf" <kwolf@redhat.com>,
	"Peter Maydell" <peter.maydell@linaro.org>,
	qemu-block@nongnu.org, "Michael S. Tsirkin" <mst@redhat.com>,
	qemu-stable@nongnu.org,
	"Michael Roth" <mdroth@linux.vnet.ibm.com>,
	"Fabien Chouteau" <chouteau@adacore.com>,
	"Max Filippov" <jcmvbkbc@gmail.com>,
	"KONRAD Frederic" <frederic.konrad@adacore.com>,
	qemu-arm@nongnu.org, qemu-ppc@nongnu.org,
	"Gerd Hoffmann" <kraxel@redhat.com>,
	"Marc-André Lureau" <marcandre.lureau@redhat.com>,
	"Stafford Horne" <shorne@gmail.com>,
	"Max Reitz" <mreitz@redhat.com>,
	"Philippe Mathieu-Daudé" <philmd@redhat.com>,
	"Aurelien Jarno" <aurelien@aurel32.net>
Subject: [PATCH-for-5.0 05/12] vhost-user-gpu: Release memory returned by vu_queue_pop() with free()
Date: Tue, 14 Apr 2020 15:30:45 +0200	[thread overview]
Message-ID: <20200414133052.13712-6-philmd@redhat.com> (raw)
In-Reply-To: <20200414133052.13712-1-philmd@redhat.com>

vu_queue_pop() returns memory that must be freed with free().

Cc: qemu-stable@nongnu.org
Reported-by: Coverity (CID 1421887 ALLOC_FREE_MISMATCH)
Suggested-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Signed-off-by: Philippe Mathieu-Daudé <philmd@redhat.com>
---
 contrib/vhost-user-gpu/vhost-user-gpu.c | 4 ++--
 contrib/vhost-user-gpu/virgl.c          | 2 +-
 2 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/contrib/vhost-user-gpu/vhost-user-gpu.c b/contrib/vhost-user-gpu/vhost-user-gpu.c
index b45d2019b4..a019d0a9ac 100644
--- a/contrib/vhost-user-gpu/vhost-user-gpu.c
+++ b/contrib/vhost-user-gpu/vhost-user-gpu.c
@@ -848,7 +848,7 @@ vg_handle_ctrl(VuDev *dev, int qidx)
             QTAILQ_INSERT_TAIL(&vg->fenceq, cmd, next);
             vg->inflight++;
         } else {
-            g_free(cmd);
+            free(cmd);
         }
     }
 }
@@ -939,7 +939,7 @@ vg_handle_cursor(VuDev *dev, int qidx)
         }
         vu_queue_push(dev, vq, elem, 0);
         vu_queue_notify(dev, vq);
-        g_free(elem);
+        free(elem);
     }
 }
 
diff --git a/contrib/vhost-user-gpu/virgl.c b/contrib/vhost-user-gpu/virgl.c
index 43413e29df..b0bc22c3c1 100644
--- a/contrib/vhost-user-gpu/virgl.c
+++ b/contrib/vhost-user-gpu/virgl.c
@@ -519,7 +519,7 @@ virgl_write_fence(void *opaque, uint32_t fence)
         g_debug("FENCE %" PRIu64, cmd->cmd_hdr.fence_id);
         vg_ctrl_response_nodata(g, cmd, VIRTIO_GPU_RESP_OK_NODATA);
         QTAILQ_REMOVE(&g->fenceq, cmd, next);
-        g_free(cmd);
+        free(cmd);
         g->inflight--;
     }
 }
-- 
2.21.1



  parent reply	other threads:[~2020-04-14 17:08 UTC|newest]

Thread overview: 21+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-04-14 13:30 [PATCH-for-5.0 00/12] various bugfixes Philippe Mathieu-Daudé
2020-04-14 13:30 ` [PATCH-for-5.0 01/12] Revert "prevent crash when executing guest-file-read with large count" Philippe Mathieu-Daudé
2020-04-14 13:30 ` [PATCH-for-5.0 02/12] qga: Extract guest_file_handle_find() to commands-common.h Philippe Mathieu-Daudé
2020-04-14 13:30 ` [PATCH-for-5.0 03/12] qga: Extract qmp_guest_file_read() to common commands.c Philippe Mathieu-Daudé
2020-04-14 13:30 ` [PATCH-for-5.0 04/12] qga: Restrict guest-file-read count to 48 MB to avoid crashes Philippe Mathieu-Daudé
2020-04-15 12:34   ` Daniel P. Berrangé
2020-04-15 13:02     ` Philippe Mathieu-Daudé
2020-04-15 15:23       ` Michael Roth
2020-04-14 13:30 ` Philippe Mathieu-Daudé [this message]
2020-04-17  6:39   ` [PATCH-for-5.0 05/12] vhost-user-gpu: Release memory returned by vu_queue_pop() with free() Michael S. Tsirkin
2020-04-14 13:30 ` [PATCH-for-5.0 06/12] hw/openrisc/pic_cpu: Use qdev gpio rather than qemu_allocate_irqs() Philippe Mathieu-Daudé
2020-04-14 13:30 ` [PATCH-for-5.0 07/12] hw/misc/grlib_ahb_apb_pnp: Avoid crash when writing to AHB PnP registers Philippe Mathieu-Daudé
2020-04-14 13:30 ` [PATCH-for-5.0 08/12] hw/misc/grlib_ahb_apb_pnp: Fix AHB PnP 8-bit accesses Philippe Mathieu-Daudé
2020-04-14 13:30 ` [PATCH-for-5.0 09/12] hw/display/sm501: Avoid heap overflow in sm501_2d_operation() Philippe Mathieu-Daudé
2020-04-14 13:30 ` [PATCH-for-5.0 10/12] hw/block/pflash: Check return value of blk_pwrite() Philippe Mathieu-Daudé
2020-04-14 18:34   ` Mansour Ahmadi
2020-04-15  8:08   ` Philippe Mathieu-Daudé
2020-04-14 13:30 ` [PATCH-for-5.0 11/12] gdbstub: Do not use memset() on GByteArray Philippe Mathieu-Daudé
2020-04-14 13:30 ` [PATCH-for-5.0 12/12] gdbstub: Introduce gdb_get_freg32() to get float32 registers Philippe Mathieu-Daudé
2020-04-17  6:40 ` [PATCH-for-5.0 00/12] various bugfixes Michael S. Tsirkin
2020-04-17  8:30   ` Peter Maydell

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