From: Adam C. Emerson <aemerson@redhat.com>
Date: Tue, 8 May 2018 22:58:12 +0000 (-0400)
Subject: FuseStore: Expand buffers to prevent overflow
X-Git-Tag: v14.0.0~162^2~11
X-Git-Url: http://git-server-git.apps.pok.os.sepia.ceph.com/?a=commitdiff_plain;h=4365b1d358cd18c90d6371c96f5bc1a7516cd86b;p=ceph.git

FuseStore: Expand buffers to prevent overflow

Signed-off-by: Adam C. Emerson <aemerson@redhat.com>
---

diff --git a/src/os/FuseStore.cc b/src/os/FuseStore.cc
index fb8af3aa2330..e8544180c050 100644
--- a/src/os/FuseStore.cc
+++ b/src/os/FuseStore.cc
@@ -320,7 +320,7 @@ static int os_getattr(const char *path, struct stat *stbuf)
       int bits = fs->store->collection_bits(ch);
       if (bits < 0)
 	return -ENOENT;
-      char buf[8];
+      char buf[12];
       snprintf(buf, sizeof(buf), "%d\n", bits);
       stbuf->st_size = strlen(buf);
     }
@@ -630,7 +630,7 @@ static int os_open(const char *path, struct fuse_file_info *fi)
       int r = fs->store->collection_bits(ch);
       if (r < 0)
         return r;
-      char buf[8];
+      char buf[12];
       snprintf(buf, sizeof(buf), "%d\n", r);
       pbl = new bufferlist;
       pbl->append(buf);