a0f61528af
CVE-2016-7909: pcnet: Infinite loop in pcnet_rdra_addr (bz #1381196) CVE-2016-7994: virtio-gpu: memory leak in resource_create_2d (bz #1382667) CVE-2016-8577: 9pfs: host memory leakage in v9fs_read (bz #1383286) CVE-2016-8578: 9pfs: potential NULL dereferencein 9pfs routines (bz #1383292) CVE-2016-8668: OOB buffer access in rocker switch emulation (bz #1384898) CVE-2016-8669: divide by zero error in serial_update_parameters (bz #1384911) CVE-2016-8909: intel-hda: infinite loop in dma buffer stream (bz #1388053) Infinite loop vulnerability in a9_gtimer_update (bz #1388300) CVE-2016-9101: eepro100: memory leakage at device unplug (bz #1389539) CVE-2016-9103: 9pfs: information leakage via xattr (bz #1389643) CVE-2016-9102: 9pfs: memory leakage when creating extended attribute (bz #1389551) CVE-2016-9104: 9pfs: integer overflow leading to OOB access (bz #1389687) CVE-2016-9105: 9pfs: memory leakage in v9fs_link (bz #1389704) CVE-2016-9106: 9pfs: memory leakage in v9fs_write (bz #1389713) CVE-2016-9381: xen: incautious about shared ring processing (bz #1397385) CVE-2016-9921: Divide by zero vulnerability in cirrus_do_copy (bz #1399054) CVE-2016-9776: infinite loop while receiving data in mcf_fec_receive (bz #1400830) CVE-2016-9845: information leakage in virgl_cmd_get_capset_info (bz #1402247) CVE-2016-9846: virtio-gpu: memory leakage while updating cursor data (bz #1402258) CVE-2016-9907: usbredir: memory leakage when destroying redirector (bz #1402266) CVE-2016-9911: usb: ehci: memory leakage in ehci_init_transfer (bz #1402273) CVE-2016-9913: 9pfs: memory leakage via proxy/handle callbacks (bz #1402277) CVE-2016-10028: virtio-gpu-3d: OOB access while reading virgl capabilities (bz #1406368) CVE-2016-9908: virtio-gpu: information leakage in virgl_cmd_get_capset (bz #1402263) CVE-2016-9912: virtio-gpu: memory leakage when destroying gpu resource (bz #1402285)
45 lines
1.3 KiB
Diff
45 lines
1.3 KiB
Diff
From: Li Qiang <liq3ea@gmail.com>
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Date: Wed, 23 Nov 2016 13:53:34 +0100
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Subject: [PATCH] 9pfs: add cleanup operation for proxy backend driver
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In the init operation of proxy backend dirver, it allocates a
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V9fsProxy struct and some other resources. We should free these
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resources when the 9pfs device is unrealized. This is what this
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patch does.
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Signed-off-by: Li Qiang <liq3ea@gmail.com>
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Reviewed-by: Greg Kurz <groug@kaod.org>
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Signed-off-by: Greg Kurz <groug@kaod.org>
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(cherry picked from commit 898ae90a44551d25b8e956fd87372d303c82fe68)
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---
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hw/9pfs/9p-proxy.c | 13 +++++++++++++
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1 file changed, 13 insertions(+)
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diff --git a/hw/9pfs/9p-proxy.c b/hw/9pfs/9p-proxy.c
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index f265501..336e9fe 100644
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--- a/hw/9pfs/9p-proxy.c
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+++ b/hw/9pfs/9p-proxy.c
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@@ -1179,9 +1179,22 @@ static int proxy_init(FsContext *ctx)
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return 0;
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}
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+static void proxy_cleanup(FsContext *ctx)
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+{
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+ V9fsProxy *proxy = ctx->private;
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+
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+ g_free(proxy->out_iovec.iov_base);
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+ g_free(proxy->in_iovec.iov_base);
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+ if (ctx->export_flags & V9FS_PROXY_SOCK_NAME) {
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+ close(proxy->sockfd);
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+ }
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+ g_free(proxy);
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+}
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+
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FileOperations proxy_ops = {
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.parse_opts = proxy_parse_opts,
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.init = proxy_init,
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+ .cleanup = proxy_cleanup,
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.lstat = proxy_lstat,
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.readlink = proxy_readlink,
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.close = proxy_close,
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