From: Andreas Gruenbacher agruenba@redhat.com
commit 5d49d3508b3c67201bd3e1bf7f4ef049111b7051 upstream.
On an error path, init_statfs calls iput(pn) after pn has already been put. Fix that by setting pn to NULL after the initial iput.
Fixes: 97fd734ba17e ("gfs2: lookup local statfs inodes prior to journal recovery") Cc: stable@vger.kernel.org # v5.10+ Reported-by: Jing Xiangfeng jingxiangfeng@huawei.com Signed-off-by: Andreas Gruenbacher agruenba@redhat.com Signed-off-by: Greg Kroah-Hartman gregkh@linuxfoundation.org
--- fs/gfs2/ops_fstype.c | 1 + 1 file changed, 1 insertion(+)
--- a/fs/gfs2/ops_fstype.c +++ b/fs/gfs2/ops_fstype.c @@ -687,6 +687,7 @@ static int init_statfs(struct gfs2_sbd * }
iput(pn); + pn = NULL; ip = GFS2_I(sdp->sd_sc_inode); error = gfs2_glock_nq_init(ip->i_gl, LM_ST_EXCLUSIVE, 0, &sdp->sd_sc_gh);