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Diffstat (limited to 'fs')
-rw-r--r--fs/erofs/fileio.c3
-rw-r--r--fs/erofs/zmap.c10
-rw-r--r--fs/nfsd/nfs4callback.c1
-rw-r--r--fs/nfsd/nfsctl.c5
4 files changed, 10 insertions, 9 deletions
diff --git a/fs/erofs/fileio.c b/fs/erofs/fileio.c
index 7d81f504bff0..df5cc63f2c01 100644
--- a/fs/erofs/fileio.c
+++ b/fs/erofs/fileio.c
@@ -47,6 +47,7 @@ static void erofs_fileio_ki_complete(struct kiocb *iocb, long ret)
static void erofs_fileio_rq_submit(struct erofs_fileio_rq *rq)
{
+ const struct cred *old_cred;
struct iov_iter iter;
int ret;
@@ -60,7 +61,9 @@ static void erofs_fileio_rq_submit(struct erofs_fileio_rq *rq)
rq->iocb.ki_flags = IOCB_DIRECT;
iov_iter_bvec(&iter, ITER_DEST, rq->bvecs, rq->bio.bi_vcnt,
rq->bio.bi_iter.bi_size);
+ old_cred = override_creds(rq->iocb.ki_filp->f_cred);
ret = vfs_iocb_iter_read(rq->iocb.ki_filp, &rq->iocb, &iter);
+ revert_creds(old_cred);
if (ret != -EIOCBQUEUED)
erofs_fileio_ki_complete(&rq->iocb, ret);
}
diff --git a/fs/erofs/zmap.c b/fs/erofs/zmap.c
index 14ea47f954f5..0bebc6e3a4d7 100644
--- a/fs/erofs/zmap.c
+++ b/fs/erofs/zmap.c
@@ -597,6 +597,10 @@ static int z_erofs_map_blocks_ext(struct inode *inode,
if (la > map->m_la) {
r = mid;
+ if (la > lend) {
+ DBG_BUGON(1);
+ return -EFSCORRUPTED;
+ }
lend = la;
} else {
l = mid + 1;
@@ -635,12 +639,6 @@ static int z_erofs_map_blocks_ext(struct inode *inode,
}
}
map->m_llen = lend - map->m_la;
- if (!last && map->m_llen < sb->s_blocksize) {
- erofs_err(sb, "extent too small %llu @ offset %llu of nid %llu",
- map->m_llen, map->m_la, vi->nid);
- DBG_BUGON(1);
- return -EFSCORRUPTED;
- }
return 0;
}
diff --git a/fs/nfsd/nfs4callback.c b/fs/nfsd/nfs4callback.c
index ccb00aa93be0..e00b2aea8da2 100644
--- a/fs/nfsd/nfs4callback.c
+++ b/fs/nfsd/nfs4callback.c
@@ -1409,6 +1409,7 @@ void nfsd41_cb_referring_call(struct nfsd4_callback *cb,
out:
if (!rcl->__nr_referring_calls) {
cb->cb_nr_referring_call_list--;
+ list_del(&rcl->__list);
kfree(rcl);
}
}
diff --git a/fs/nfsd/nfsctl.c b/fs/nfsd/nfsctl.c
index 3f3e9f6c4250..6a42cc7a845a 100644
--- a/fs/nfsd/nfsctl.c
+++ b/fs/nfsd/nfsctl.c
@@ -1611,7 +1611,7 @@ out_unlock:
*/
int nfsd_nl_threads_set_doit(struct sk_buff *skb, struct genl_info *info)
{
- int *nthreads, count = 0, nrpools, i, ret = -EOPNOTSUPP, rem;
+ int *nthreads, nrpools = 0, i, ret = -EOPNOTSUPP, rem;
struct net *net = genl_info_net(info);
struct nfsd_net *nn = net_generic(net, nfsd_net_id);
const struct nlattr *attr;
@@ -1623,12 +1623,11 @@ int nfsd_nl_threads_set_doit(struct sk_buff *skb, struct genl_info *info)
/* count number of SERVER_THREADS values */
nlmsg_for_each_attr(attr, info->nlhdr, GENL_HDRLEN, rem) {
if (nla_type(attr) == NFSD_A_SERVER_THREADS)
- count++;
+ nrpools++;
}
mutex_lock(&nfsd_mutex);
- nrpools = max(count, nfsd_nrpools(net));
nthreads = kcalloc(nrpools, sizeof(int), GFP_KERNEL);
if (!nthreads) {
ret = -ENOMEM;