diff --git a/fs/cifs/smb2maperror.c b/fs/cifs/smb2maperror.c
index 7ca9808a0daa01bfb149690964bbd165d9c6af20..62c88dfed57b3f66fff931f4abbcc8126ca4cf11 100644
--- a/fs/cifs/smb2maperror.c
+++ b/fs/cifs/smb2maperror.c
@@ -214,7 +214,7 @@ static const struct status_to_posix_error smb2_error_map_table[] = {
 	{STATUS_DATATYPE_MISALIGNMENT, -EIO, "STATUS_DATATYPE_MISALIGNMENT"},
 	{STATUS_BREAKPOINT, -EIO, "STATUS_BREAKPOINT"},
 	{STATUS_SINGLE_STEP, -EIO, "STATUS_SINGLE_STEP"},
-	{STATUS_BUFFER_OVERFLOW, -EIO, "STATUS_BUFFER_OVERFLOW"},
+	{STATUS_BUFFER_OVERFLOW, -E2BIG, "STATUS_BUFFER_OVERFLOW"},
 	{STATUS_NO_MORE_FILES, -ENODATA, "STATUS_NO_MORE_FILES"},
 	{STATUS_WAKE_SYSTEM_DEBUGGER, -EIO, "STATUS_WAKE_SYSTEM_DEBUGGER"},
 	{STATUS_HANDLES_CLOSED, -EIO, "STATUS_HANDLES_CLOSED"},
diff --git a/fs/cifs/smb2ops.c b/fs/cifs/smb2ops.c
index 0dafdbae1f8cb35539a138e73330a214f7f72da3..bdb963d0ba32069035bdd23c9046985b41feb2bb 100644
--- a/fs/cifs/smb2ops.c
+++ b/fs/cifs/smb2ops.c
@@ -522,6 +522,7 @@ smb2_query_eas(const unsigned int xid, struct cifs_tcon *tcon,
 	struct cifs_open_parms oparms;
 	struct cifs_fid fid;
 	struct smb2_file_full_ea_info *smb2_data;
+	int ea_buf_size = SMB2_MIN_EA_BUF;
 
 	utf16_path = cifs_convert_path_to_utf16(path, cifs_sb);
 	if (!utf16_path)
@@ -541,14 +542,32 @@ smb2_query_eas(const unsigned int xid, struct cifs_tcon *tcon,
 		return rc;
 	}
 
-	smb2_data = kzalloc(SMB2_MAX_EA_BUF, GFP_KERNEL);
-	if (smb2_data == NULL) {
-		SMB2_close(xid, tcon, fid.persistent_fid, fid.volatile_fid);
-		return -ENOMEM;
+	while (1) {
+		smb2_data = kzalloc(ea_buf_size, GFP_KERNEL);
+		if (smb2_data == NULL) {
+			SMB2_close(xid, tcon, fid.persistent_fid,
+				   fid.volatile_fid);
+			return -ENOMEM;
+		}
+
+		rc = SMB2_query_eas(xid, tcon, fid.persistent_fid,
+				    fid.volatile_fid,
+				    ea_buf_size, smb2_data);
+
+		if (rc != -E2BIG)
+			break;
+
+		kfree(smb2_data);
+		ea_buf_size <<= 1;
+
+		if (ea_buf_size > SMB2_MAX_EA_BUF) {
+			cifs_dbg(VFS, "EA size is too large\n");
+			SMB2_close(xid, tcon, fid.persistent_fid,
+				   fid.volatile_fid);
+			return -ENOMEM;
+		}
 	}
 
-	rc = SMB2_query_eas(xid, tcon, fid.persistent_fid, fid.volatile_fid,
-			    smb2_data);
 	SMB2_close(xid, tcon, fid.persistent_fid, fid.volatile_fid);
 
 	if (!rc)
diff --git a/fs/cifs/smb2pdu.c b/fs/cifs/smb2pdu.c
index 6f0e6343c15e7e329e6de896220c693f337d9829..ba3865b338d870c371b46431640405f064545eb3 100644
--- a/fs/cifs/smb2pdu.c
+++ b/fs/cifs/smb2pdu.c
@@ -2233,12 +2233,12 @@ query_info(const unsigned int xid, struct cifs_tcon *tcon,
 }
 
 int SMB2_query_eas(const unsigned int xid, struct cifs_tcon *tcon,
-	u64 persistent_fid, u64 volatile_fid,
-	struct smb2_file_full_ea_info *data)
+		   u64 persistent_fid, u64 volatile_fid,
+		   int ea_buf_size, struct smb2_file_full_ea_info *data)
 {
 	return query_info(xid, tcon, persistent_fid, volatile_fid,
 			  FILE_FULL_EA_INFORMATION, SMB2_O_INFO_FILE, 0,
-			  SMB2_MAX_EA_BUF,
+			  ea_buf_size,
 			  sizeof(struct smb2_file_full_ea_info),
 			  (void **)&data,
 			  NULL);
diff --git a/fs/cifs/smb2pdu.h b/fs/cifs/smb2pdu.h
index 6c9653a130c8bf38f5c38d6965cea32d105e708d..4c155b95b5584069beab75a4eda198c00b3e0f74 100644
--- a/fs/cifs/smb2pdu.h
+++ b/fs/cifs/smb2pdu.h
@@ -1178,7 +1178,8 @@ struct smb2_file_link_info { /* encoding of request for level 11 */
 	char   FileName[0];     /* Name to be assigned to new link */
 } __packed; /* level 11 Set */
 
-#define SMB2_MAX_EA_BUF 2048
+#define SMB2_MIN_EA_BUF  2048
+#define SMB2_MAX_EA_BUF 65536
 
 struct smb2_file_full_ea_info { /* encoding of response for level 15 */
 	__le32 next_entry_offset;
diff --git a/fs/cifs/smb2proto.h b/fs/cifs/smb2proto.h
index 003217099ef3e6831a36ed81f7c13f1f611efb9d..e9ab5227e7a8ac3d69e69afe678cee78566056a8 100644
--- a/fs/cifs/smb2proto.h
+++ b/fs/cifs/smb2proto.h
@@ -134,6 +134,7 @@ extern int SMB2_flush(const unsigned int xid, struct cifs_tcon *tcon,
 		      u64 persistent_file_id, u64 volatile_file_id);
 extern int SMB2_query_eas(const unsigned int xid, struct cifs_tcon *tcon,
 			  u64 persistent_file_id, u64 volatile_file_id,
+			  int ea_buf_size,
 			  struct smb2_file_full_ea_info *data);
 extern int SMB2_query_info(const unsigned int xid, struct cifs_tcon *tcon,
 			   u64 persistent_file_id, u64 volatile_file_id,