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* [PATCH v2 1/1] erofs-utils: fix use after free in closedir
@ 2020-11-27 11:06 Huang Jianan
  2020-11-27 11:10 ` Huang Jianan
  2020-11-27 11:10 ` Gao Xiang
  0 siblings, 2 replies; 4+ messages in thread
From: Huang Jianan @ 2020-11-27 11:06 UTC (permalink / raw)
  To: linux-erofs; +Cc: liufeibao, guoweichao, zhangshiming

No need to closedir _dir again since it has been released.

Signed-off-by: Huang Jianan <huangjianan@oppo.com>
Signed-off-by: Guo Weichao <guoweichao@oppo.com>
---
 lib/inode.c | 7 ++++---
 1 file changed, 4 insertions(+), 3 deletions(-)

diff --git a/lib/inode.c b/lib/inode.c
index eb2e0f2..388d21d 100644
--- a/lib/inode.c
+++ b/lib/inode.c
@@ -958,11 +958,11 @@ struct erofs_inode *erofs_mkfs_build_tree(struct erofs_inode *dir)
 
 	ret = erofs_prepare_dir_file(dir);
 	if (ret)
-		goto err_closedir;
+		goto err;
 
 	ret = erofs_prepare_inode_buffer(dir);
 	if (ret)
-		goto err_closedir;
+		goto err;
 
 	if (IS_ROOT(dir))
 		erofs_fixup_meta_blkaddr(dir);
@@ -988,7 +988,7 @@ struct erofs_inode *erofs_mkfs_build_tree(struct erofs_inode *dir)
 fail:
 			d->inode = NULL;
 			d->type = EROFS_FT_UNKNOWN;
-			goto err_closedir;
+			goto err;
 		}
 
 		d->type = erofs_type_by_mode[d->inode->i_mode >> S_SHIFT];
@@ -1003,6 +1003,7 @@ fail:
 
 err_closedir:
 	closedir(_dir);
+err:
 	return ERR_PTR(ret);
 }
 
-- 
2.25.1


^ permalink raw reply related	[flat|nested] 4+ messages in thread

* Re: [PATCH v2 1/1] erofs-utils: fix use after free in closedir
  2020-11-27 11:06 [PATCH v2 1/1] erofs-utils: fix use after free in closedir Huang Jianan
@ 2020-11-27 11:10 ` Huang Jianan
  2020-11-27 11:10 ` Gao Xiang
  1 sibling, 0 replies; 4+ messages in thread
From: Huang Jianan @ 2020-11-27 11:10 UTC (permalink / raw)
  To: linux-erofs; +Cc: liufeibao, guoweichao, zhangshiming

Sorry for sending the wrong PATCH v2.

在 2020/11/27 19:06, Huang Jianan 写道:
> No need to closedir _dir again since it has been released.
>
> Signed-off-by: Huang Jianan <huangjianan@oppo.com>
> Signed-off-by: Guo Weichao <guoweichao@oppo.com>
> ---
>   lib/inode.c | 7 ++++---
>   1 file changed, 4 insertions(+), 3 deletions(-)
>
> diff --git a/lib/inode.c b/lib/inode.c
> index eb2e0f2..388d21d 100644
> --- a/lib/inode.c
> +++ b/lib/inode.c
> @@ -958,11 +958,11 @@ struct erofs_inode *erofs_mkfs_build_tree(struct erofs_inode *dir)
>   
>   	ret = erofs_prepare_dir_file(dir);
>   	if (ret)
> -		goto err_closedir;
> +		goto err;
>   
>   	ret = erofs_prepare_inode_buffer(dir);
>   	if (ret)
> -		goto err_closedir;
> +		goto err;
>   
>   	if (IS_ROOT(dir))
>   		erofs_fixup_meta_blkaddr(dir);
> @@ -988,7 +988,7 @@ struct erofs_inode *erofs_mkfs_build_tree(struct erofs_inode *dir)
>   fail:
>   			d->inode = NULL;
>   			d->type = EROFS_FT_UNKNOWN;
> -			goto err_closedir;
> +			goto err;
>   		}
>   
>   		d->type = erofs_type_by_mode[d->inode->i_mode >> S_SHIFT];
> @@ -1003,6 +1003,7 @@ fail:
>   
>   err_closedir:
>   	closedir(_dir);
> +err:
>   	return ERR_PTR(ret);
>   }
>   

^ permalink raw reply	[flat|nested] 4+ messages in thread

* Re: [PATCH v2 1/1] erofs-utils: fix use after free in closedir
  2020-11-27 11:06 [PATCH v2 1/1] erofs-utils: fix use after free in closedir Huang Jianan
  2020-11-27 11:10 ` Huang Jianan
@ 2020-11-27 11:10 ` Gao Xiang
  1 sibling, 0 replies; 4+ messages in thread
From: Gao Xiang @ 2020-11-27 11:10 UTC (permalink / raw)
  To: Huang Jianan; +Cc: liufeibao, guoweichao, linux-erofs, zhangshiming

On Fri, Nov 27, 2020 at 07:06:16PM +0800, Huang Jianan wrote:
> No need to closedir _dir again since it has been released.
> 
> Signed-off-by: Huang Jianan <huangjianan@oppo.com>
> Signed-off-by: Guo Weichao <guoweichao@oppo.com>

Looks good to me,
Reviewed-by: Gao Xiang <hsiangkao@redhat.com>

Will apply it soon.

Thanks,
Gao Xiang

> ---
>  lib/inode.c | 7 ++++---
>  1 file changed, 4 insertions(+), 3 deletions(-)
> 
> diff --git a/lib/inode.c b/lib/inode.c
> index eb2e0f2..388d21d 100644
> --- a/lib/inode.c
> +++ b/lib/inode.c
> @@ -958,11 +958,11 @@ struct erofs_inode *erofs_mkfs_build_tree(struct erofs_inode *dir)
>  
>  	ret = erofs_prepare_dir_file(dir);
>  	if (ret)
> -		goto err_closedir;
> +		goto err;
>  
>  	ret = erofs_prepare_inode_buffer(dir);
>  	if (ret)
> -		goto err_closedir;
> +		goto err;
>  
>  	if (IS_ROOT(dir))
>  		erofs_fixup_meta_blkaddr(dir);
> @@ -988,7 +988,7 @@ struct erofs_inode *erofs_mkfs_build_tree(struct erofs_inode *dir)
>  fail:
>  			d->inode = NULL;
>  			d->type = EROFS_FT_UNKNOWN;
> -			goto err_closedir;
> +			goto err;
>  		}
>  
>  		d->type = erofs_type_by_mode[d->inode->i_mode >> S_SHIFT];
> @@ -1003,6 +1003,7 @@ fail:
>  
>  err_closedir:
>  	closedir(_dir);
> +err:
>  	return ERR_PTR(ret);
>  }
>  
> -- 
> 2.25.1
> 


^ permalink raw reply	[flat|nested] 4+ messages in thread

* [PATCH v2 1/1] erofs-utils: fix use after free in closedir
@ 2020-11-27 11:03 Huang Jianan
  0 siblings, 0 replies; 4+ messages in thread
From: Huang Jianan @ 2020-11-27 11:03 UTC (permalink / raw)
  To: linux-erofs; +Cc: liufeibao, guoweichao, zhangshiming

No need to closedir _dir again since it has been released.

Signed-off-by: Huang Jianan <huangjianan@oppo.com>
Signed-off-by: Guo Weichao <guoweichao@oppo.com>
---
 lib/inode.c | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/lib/inode.c b/lib/inode.c
index eb2e0f2..2397bc7 100644
--- a/lib/inode.c
+++ b/lib/inode.c
@@ -958,11 +958,11 @@ struct erofs_inode *erofs_mkfs_build_tree(struct erofs_inode *dir)
 
 	ret = erofs_prepare_dir_file(dir);
 	if (ret)
-		goto err_closedir;
+		goto err;
 
 	ret = erofs_prepare_inode_buffer(dir);
 	if (ret)
-		goto err_closedir;
+		goto err;
 
 	if (IS_ROOT(dir))
 		erofs_fixup_meta_blkaddr(dir);
@@ -1003,6 +1003,7 @@ fail:
 
 err_closedir:
 	closedir(_dir);
+err:
 	return ERR_PTR(ret);
 }
 
-- 
2.25.1


^ permalink raw reply related	[flat|nested] 4+ messages in thread

end of thread, other threads:[~2020-11-27 11:11 UTC | newest]

Thread overview: 4+ messages (download: mbox.gz / follow: Atom feed)
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2020-11-27 11:06 [PATCH v2 1/1] erofs-utils: fix use after free in closedir Huang Jianan
2020-11-27 11:10 ` Huang Jianan
2020-11-27 11:10 ` Gao Xiang
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2020-11-27 11:03 Huang Jianan

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