From: Sascha Hauer s.hauer@pengutronix.de
commit edec51374bce779f37fc209a228139c55d90ec8d upstream.
In create_default_filesystem() when we allocate the idx node we must use the idx_node_size we calculated just one line before, not tmp, which contains completely other data.
Fixes: c4de6d7e4319 ("ubifs: Refactor create_default_filesystem()") Cc: stable@vger.kernel.org # v4.20+ Reported-by: Naga Sureshkumar Relli nagasure@xilinx.com Tested-by: Naga Sureshkumar Relli nagasure@xilinx.com Signed-off-by: Sascha Hauer s.hauer@pengutronix.de Signed-off-by: Richard Weinberger richard@nod.at Signed-off-by: Greg Kroah-Hartman gregkh@linuxfoundation.org
--- fs/ubifs/sb.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
--- a/fs/ubifs/sb.c +++ b/fs/ubifs/sb.c @@ -161,7 +161,7 @@ static int create_default_filesystem(str sup = kzalloc(ALIGN(UBIFS_SB_NODE_SZ, c->min_io_size), GFP_KERNEL); mst = kzalloc(c->mst_node_alsz, GFP_KERNEL); idx_node_size = ubifs_idx_node_sz(c, 1); - idx = kzalloc(ALIGN(tmp, c->min_io_size), GFP_KERNEL); + idx = kzalloc(ALIGN(idx_node_size, c->min_io_size), GFP_KERNEL); ino = kzalloc(ALIGN(UBIFS_INO_NODE_SZ, c->min_io_size), GFP_KERNEL); cs = kzalloc(ALIGN(UBIFS_CS_NODE_SZ, c->min_io_size), GFP_KERNEL);