[PULL,1/5] 9pfs: local: Fix possible memory leak in local_link()
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Message ID 20200114160235.308040-2-groug@kaod.org
State New
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Series
  • [PULL,1/5] 9pfs: local: Fix possible memory leak in local_link()
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Commit Message

Greg Kurz Jan. 14, 2020, 4:02 p.m. UTC
From: Jiajun Chen <chenjiajun8@huawei.com>

There is a possible memory leak while local_link return -1 without free
odirpath and oname.

Reported-by: Euler Robot <euler.robot@huawei.com>
Signed-off-by: Jaijun Chen <chenjiajun8@huawei.com>
Signed-off-by: Xiang Zheng <zhengxiang9@huawei.com>
Reviewed-by: Christian Schoenebeck <qemu_oss@crudebyte.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Signed-off-by: Greg Kurz <groug@kaod.org>
---
 hw/9pfs/9p-local.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

Patch
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diff --git a/hw/9pfs/9p-local.c b/hw/9pfs/9p-local.c
index ca641390fbca..d0592c3b4504 100644
--- a/hw/9pfs/9p-local.c
+++ b/hw/9pfs/9p-local.c
@@ -947,7 +947,7 @@  static int local_link(FsContext *ctx, V9fsPath *oldpath,
     if (ctx->export_flags & V9FS_SM_MAPPED_FILE &&
         local_is_mapped_file_metadata(ctx, name)) {
         errno = EINVAL;
-        return -1;
+        goto out;
     }
 
     odirfd = local_opendir_nofollow(ctx, odirpath);