about summary refs log tree commit diff
path: root/libio/filedoalloc.c
diff options
context:
space:
mode:
authorFlorian Weimer <fweimer@redhat.com>2016-11-30 14:59:27 +0100
committerFlorian Weimer <fweimer@redhat.com>2016-11-30 14:59:27 +0100
commit705a79f82560ff6472cebed86aa5db04cdea3bce (patch)
tree37c952d4411aa2bcccf0556110d78e4e289ec6b9 /libio/filedoalloc.c
parent934fc4773eec45ec31b03a0244d391cade53f210 (diff)
downloadglibc-705a79f82560ff6472cebed86aa5db04cdea3bce.tar.gz
glibc-705a79f82560ff6472cebed86aa5db04cdea3bce.tar.xz
glibc-705a79f82560ff6472cebed86aa5db04cdea3bce.zip
libio: Limit buffer size to 8192 bytes [BZ #4099]
This avoids overly large buffers with network file systems which report
very large block sizes.
Diffstat (limited to 'libio/filedoalloc.c')
-rw-r--r--libio/filedoalloc.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/libio/filedoalloc.c b/libio/filedoalloc.c
index 4f9d738968..ded0725356 100644
--- a/libio/filedoalloc.c
+++ b/libio/filedoalloc.c
@@ -94,7 +94,7 @@ _IO_file_doallocate (_IO_FILE *fp)
 	    fp->_flags |= _IO_LINE_BUF;
 	}
 #if _IO_HAVE_ST_BLKSIZE
-      if (st.st_blksize > 0)
+      if (st.st_blksize > 0 && st.st_blksize < _IO_BUFSIZ)
 	size = st.st_blksize;
 #endif
     }