bde70caa06
* gnu/packages/qemu.scm (qemu)[source]: Add patches. * gnu/packages/patches/qemu-CVE-2016-8576.patch, gnu/packages/patches/qemu-CVE-2016-8577.patch, gnu/packages/patches/qemu-CVE-2016-8578.patch: New files. * gnu/local.mk (dist_patch_DATA): Register them.
36 lines
1.1 KiB
Diff
36 lines
1.1 KiB
Diff
Subject: [Qemu-devel] [PATCH] 9pfs: fix potential host memory leak in v9fs_read
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From: Li Qiang <liq3ea@gmail.com>
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In 9pfs read dispatch function, it doesn't free two QEMUIOVector
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object thus causing potential memory leak. This patch avoid this.
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Signed-off-by: Li Qiang <liq3ea@gmail.com>
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---
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hw/9pfs/9p.c | 5 +++--
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1 file changed, 3 insertions(+), 2 deletions(-)
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diff --git a/hw/9pfs/9p.c b/hw/9pfs/9p.c
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index 119ee58..543a791 100644
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--- a/hw/9pfs/9p.c
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+++ b/hw/9pfs/9p.c
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@@ -1826,14 +1826,15 @@ static void v9fs_read(void *opaque)
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if (len < 0) {
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/* IO error return the error */
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err = len;
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- goto out;
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+ goto out_free_iovec;
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}
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} while (count < max_count && len > 0);
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err = pdu_marshal(pdu, offset, "d", count);
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if (err < 0) {
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- goto out;
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+ goto out_free_iovec;
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}
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err += offset + count;
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+out_free_iovec:
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qemu_iovec_destroy(&qiov);
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qemu_iovec_destroy(&qiov_full);
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} else if (fidp->fid_type == P9_FID_XATTR) {
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--
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1.8.3.1
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