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SUSE:SLE-12-SP3:GA
qemu-linux-user.7444
0206-9pfs-fix-memory-leak-in-v9fs_write.patch
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File 0206-9pfs-fix-memory-leak-in-v9fs_write.patch of Package qemu-linux-user.7444
From c182ac571a48dbcf69d994ee0d41141a5e5fb2ee Mon Sep 17 00:00:00 2001 From: Li Qiang <liqiang6-s@360.cn> Date: Mon, 17 Oct 2016 14:13:58 +0200 Subject: [PATCH] 9pfs: fix memory leak in v9fs_write If an error occurs when marshalling the transfer length to the guest, the v9fs_write() function doesn't free an IO vector, thus leading to a memory leak. This patch fixes the issue. Signed-off-by: Li Qiang <liqiang6-s@360.cn> Reviewed-by: Greg Kurz <groug@kaod.org> [groug, rephrased the changelog] Signed-off-by: Greg Kurz <groug@kaod.org> (cherry picked from commit fdfcc9aeea1492f4b819a24c94dfb678145b1bf9) [BR: CVE-2016-9106 BSC#1007495] Signed-off-by: Bruce Rogers <brogers@suse.com> --- hw/9pfs/9p.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/hw/9pfs/9p.c b/hw/9pfs/9p.c index b8f90f79b6..ec64a4fd1a 100644 --- a/hw/9pfs/9p.c +++ b/hw/9pfs/9p.c @@ -2040,7 +2040,7 @@ static void v9fs_write(void *opaque) offset = 7; err = pdu_marshal(pdu, offset, "d", total); if (err < 0) { - goto out; + goto out_qiov; } err += offset; trace_v9fs_write_return(pdu->tag, pdu->id, total, err);
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