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authorKirill Korotaev <dev@openvz.org>2006-07-11 04:37:37 -0700
committerGreg Kroah-Hartman <gregkh@suse.de>2006-07-24 20:35:27 -0700
commit1dff316b54b9db4e17f191b4e12f032cde57b921 (patch)
tree4043cc8c1cc9f0dfbf3564385de14be25cba6c7a
parentb66a64d8fa30e003494040d4a7eb6587fa3fffcc (diff)
fix fdset leakage
When found, it is obvious. nfds calculated when allocating fdsets is rewritten by calculation of size of fdtable, and when we are unlucky, we try to free fdsets of wrong size. Found due to OpenVZ resource management (User Beancounters). Signed-off-by: Alexey Kuznetsov <kuznet@ms2.inr.ac.ru> Signed-off-by: Kirill Korotaev <dev@openvz.org> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
-rw-r--r--fs/file.c4
1 files changed, 3 insertions, 1 deletions
diff --git a/fs/file.c b/fs/file.c
index 55f4e702256..4c2cacca4e2 100644
--- a/fs/file.c
+++ b/fs/file.c
@@ -277,11 +277,13 @@ static struct fdtable *alloc_fdtable(int nr)
} while (nfds <= nr);
new_fds = alloc_fd_array(nfds);
if (!new_fds)
- goto out;
+ goto out2;
fdt->fd = new_fds;
fdt->max_fds = nfds;
fdt->free_files = NULL;
return fdt;
+out2:
+ nfds = fdt->max_fdset;
out:
if (new_openset)
free_fdset(new_openset, nfds);