virtio-9p: Check the return value of llistxattr.
If llistxattr returned 0, qemu aborts. Signed-off-by: Kusanagi Kouichi <slash@ac.auone-net.jp> Signed-off-by: Venkateswararao Jujjuri <jvrao@linux.vnet.ibm.com>
This commit is contained in:
		
							parent
							
								
									d04e2826f5
								
							
						
					
					
						commit
						0562c67432
					
				@ -73,6 +73,9 @@ ssize_t v9fs_list_xattr(FsContext *ctx, const char *path,
 | 
				
			|||||||
 | 
					
 | 
				
			||||||
    /* Get the actual len */
 | 
					    /* Get the actual len */
 | 
				
			||||||
    xattr_len = llistxattr(rpath(ctx, path), value, 0);
 | 
					    xattr_len = llistxattr(rpath(ctx, path), value, 0);
 | 
				
			||||||
 | 
					    if (xattr_len <= 0) {
 | 
				
			||||||
 | 
					        return xattr_len;
 | 
				
			||||||
 | 
					    }
 | 
				
			||||||
 | 
					
 | 
				
			||||||
    /* Now fetch the xattr and find the actual size */
 | 
					    /* Now fetch the xattr and find the actual size */
 | 
				
			||||||
    orig_value = qemu_malloc(xattr_len);
 | 
					    orig_value = qemu_malloc(xattr_len);
 | 
				
			||||||
 | 
				
			|||||||
		Loading…
	
	
			
			x
			
			
		
	
		Reference in New Issue
	
	Block a user