X-Git-Url: https://git.whamcloud.com/?p=fs%2Flustre-release.git;a=blobdiff_plain;f=lustre%2Futils%2Flfs.c;h=9c694982e556daffe8fd293072d3ebd475fb6028;hp=57cac3072b8a8a836d3b81f93f0959e3374f76de;hb=744b4f9253e1740eb7454a9a33fa6d4b06920dcb;hpb=6acd28ed6ce281843b2bf2892ffa0e8725d08f3a

diff --git a/lustre/utils/lfs.c b/lustre/utils/lfs.c
index 57cac30..9c69498 100644
--- a/lustre/utils/lfs.c
+++ b/lustre/utils/lfs.c
@@ -3737,6 +3737,7 @@ static int lfs_hsm_request(int argc, char **argv, int action)
 			/* If allocated buffer was too small, gets something
 			 * bigger */
 			if (nbfile_alloc <= hur->hur_request.hr_itemcount) {
+				ssize_t size;
 				nbfile_alloc = nbfile_alloc * 2 + 1;
 				oldhur = hur;
 				hur = llapi_hsm_user_request_alloc(nbfile_alloc,
@@ -3750,7 +3751,16 @@ static int lfs_hsm_request(int argc, char **argv, int action)
 					fclose(fp);
 					goto out_free;
 				}
-				memcpy(hur, oldhur, hur_len(oldhur));
+				size = hur_len(oldhur);
+				if (size < 0) {
+					fprintf(stderr, "Cannot allocate "
+						"the requested size\n");
+					hur = oldhur;
+					rc = -E2BIG;
+					fclose(fp);
+					goto out_free;
+				}
+				memcpy(hur, oldhur, size);
 				free(oldhur);
 			}