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-rw-r--r--fs/ecryptfs/inode.c19
-rw-r--r--fs/f2fs/gc.c2
-rw-r--r--fs/fuse/control.c4
-rw-r--r--fs/gfs2/rgrp.c2
-rw-r--r--fs/gfs2/super.c2
-rw-r--r--fs/kernfs/symlink.c5
-rw-r--r--fs/nfs/delegation.c6
-rw-r--r--fs/proc/vmcore.c10
8 files changed, 35 insertions, 15 deletions
diff --git a/fs/ecryptfs/inode.c b/fs/ecryptfs/inode.c
index 844d0c4da84f..34897aeb4a66 100644
--- a/fs/ecryptfs/inode.c
+++ b/fs/ecryptfs/inode.c
@@ -330,9 +330,9 @@ static int ecryptfs_lookup_interpose(struct dentry *dentry,
struct dentry *lower_dentry,
struct inode *dir_inode)
{
- struct inode *inode, *lower_inode = d_inode(lower_dentry);
+ struct path *path = ecryptfs_dentry_to_lower_path(dentry->d_parent);
+ struct inode *inode, *lower_inode;
struct ecryptfs_dentry_info *dentry_info;
- struct vfsmount *lower_mnt;
int rc = 0;
dentry_info = kmem_cache_alloc(ecryptfs_dentry_info_cache, GFP_KERNEL);
@@ -344,15 +344,22 @@ static int ecryptfs_lookup_interpose(struct dentry *dentry,
return -ENOMEM;
}
- lower_mnt = mntget(ecryptfs_dentry_to_lower_mnt(dentry->d_parent));
- fsstack_copy_attr_atime(dir_inode, d_inode(lower_dentry->d_parent));
+ fsstack_copy_attr_atime(dir_inode, d_inode(path->dentry));
BUG_ON(!d_count(lower_dentry));
ecryptfs_set_dentry_private(dentry, dentry_info);
- dentry_info->lower_path.mnt = lower_mnt;
+ dentry_info->lower_path.mnt = mntget(path->mnt);
dentry_info->lower_path.dentry = lower_dentry;
- if (d_really_is_negative(lower_dentry)) {
+ /*
+ * negative dentry can go positive under us here - its parent is not
+ * locked. That's OK and that could happen just as we return from
+ * ecryptfs_lookup() anyway. Just need to be careful and fetch
+ * ->d_inode only once - it's not stable here.
+ */
+ lower_inode = READ_ONCE(lower_dentry->d_inode);
+
+ if (!lower_inode) {
/* We want to add because we couldn't find in lower */
d_add(dentry, NULL);
return 0;
diff --git a/fs/f2fs/gc.c b/fs/f2fs/gc.c
index d28d31cbd7d2..d9b799d38fc6 100644
--- a/fs/f2fs/gc.c
+++ b/fs/f2fs/gc.c
@@ -1098,7 +1098,7 @@ stop:
put_gc_inode(&gc_list);
- if (sync)
+ if (sync && !ret)
ret = sec_freed ? 0 : -EAGAIN;
return ret;
}
diff --git a/fs/fuse/control.c b/fs/fuse/control.c
index 89a4b231e79c..bb56c6a58fa7 100644
--- a/fs/fuse/control.c
+++ b/fs/fuse/control.c
@@ -107,7 +107,7 @@ static ssize_t fuse_conn_max_background_read(struct file *file,
if (!fc)
return 0;
- val = fc->max_background;
+ val = READ_ONCE(fc->max_background);
fuse_conn_put(fc);
return fuse_conn_limit_read(file, buf, len, ppos, val);
@@ -144,7 +144,7 @@ static ssize_t fuse_conn_congestion_threshold_read(struct file *file,
if (!fc)
return 0;
- val = fc->congestion_threshold;
+ val = READ_ONCE(fc->congestion_threshold);
fuse_conn_put(fc);
return fuse_conn_limit_read(file, buf, len, ppos, val);
diff --git a/fs/gfs2/rgrp.c b/fs/gfs2/rgrp.c
index 9c159e6ad116..e632006a52df 100644
--- a/fs/gfs2/rgrp.c
+++ b/fs/gfs2/rgrp.c
@@ -1228,7 +1228,7 @@ static int update_rgrp_lvb(struct gfs2_rgrpd *rgd)
rl_flags = be32_to_cpu(rgd->rd_rgl->rl_flags);
rl_flags &= ~GFS2_RDF_MASK;
rgd->rd_flags &= GFS2_RDF_MASK;
- rgd->rd_flags |= (rl_flags | GFS2_RDF_UPTODATE | GFS2_RDF_CHECK);
+ rgd->rd_flags |= (rl_flags | GFS2_RDF_CHECK);
if (rgd->rd_rgl->rl_unlinked == 0)
rgd->rd_flags &= ~GFS2_RDF_CHECK;
rgd->rd_free = be32_to_cpu(rgd->rd_rgl->rl_free);
diff --git a/fs/gfs2/super.c b/fs/gfs2/super.c
index 894fb01a91da..a4eb38c1f554 100644
--- a/fs/gfs2/super.c
+++ b/fs/gfs2/super.c
@@ -835,10 +835,10 @@ static int gfs2_make_fs_ro(struct gfs2_sbd *sdp)
if (error && !test_bit(SDF_SHUTDOWN, &sdp->sd_flags))
return error;
+ flush_workqueue(gfs2_delete_workqueue);
kthread_stop(sdp->sd_quotad_process);
kthread_stop(sdp->sd_logd_process);
- flush_workqueue(gfs2_delete_workqueue);
gfs2_quota_sync(sdp->sd_vfs, 0);
gfs2_statfs_sync(sdp->sd_vfs, 0);
diff --git a/fs/kernfs/symlink.c b/fs/kernfs/symlink.c
index b3b293e2c099..0a379a86ff76 100644
--- a/fs/kernfs/symlink.c
+++ b/fs/kernfs/symlink.c
@@ -63,6 +63,9 @@ static int kernfs_get_target_path(struct kernfs_node *parent,
if (base == kn)
break;
+ if ((s - path) + 3 >= PATH_MAX)
+ return -ENAMETOOLONG;
+
strcpy(s, "../");
s += 3;
base = base->parent;
@@ -79,7 +82,7 @@ static int kernfs_get_target_path(struct kernfs_node *parent,
if (len < 2)
return -EINVAL;
len--;
- if ((s - path) + len > PATH_MAX)
+ if ((s - path) + len >= PATH_MAX)
return -ENAMETOOLONG;
/* reverse fillup of target string from target to base */
diff --git a/fs/nfs/delegation.c b/fs/nfs/delegation.c
index 5dac3382405c..b50315ad0391 100644
--- a/fs/nfs/delegation.c
+++ b/fs/nfs/delegation.c
@@ -101,7 +101,7 @@ int nfs4_check_delegation(struct inode *inode, fmode_t flags)
return nfs4_do_check_delegation(inode, flags, false);
}
-static int nfs_delegation_claim_locks(struct nfs_open_context *ctx, struct nfs4_state *state, const nfs4_stateid *stateid)
+static int nfs_delegation_claim_locks(struct nfs4_state *state, const nfs4_stateid *stateid)
{
struct inode *inode = state->inode;
struct file_lock *fl;
@@ -116,7 +116,7 @@ static int nfs_delegation_claim_locks(struct nfs_open_context *ctx, struct nfs4_
spin_lock(&flctx->flc_lock);
restart:
list_for_each_entry(fl, list, fl_list) {
- if (nfs_file_open_context(fl->fl_file) != ctx)
+ if (nfs_file_open_context(fl->fl_file)->state != state)
continue;
spin_unlock(&flctx->flc_lock);
status = nfs4_lock_delegation_recall(fl, state, stateid);
@@ -163,7 +163,7 @@ again:
seq = raw_seqcount_begin(&sp->so_reclaim_seqcount);
err = nfs4_open_delegation_recall(ctx, state, stateid, type);
if (!err)
- err = nfs_delegation_claim_locks(ctx, state, stateid);
+ err = nfs_delegation_claim_locks(state, stateid);
if (!err && read_seqcount_retry(&sp->so_reclaim_seqcount, seq))
err = -EAGAIN;
mutex_unlock(&sp->so_delegreturn_mutex);
diff --git a/fs/proc/vmcore.c b/fs/proc/vmcore.c
index 4e61388ec03d..08143139b65a 100644
--- a/fs/proc/vmcore.c
+++ b/fs/proc/vmcore.c
@@ -165,6 +165,16 @@ int __weak remap_oldmem_pfn_range(struct vm_area_struct *vma,
}
/*
+ * Architectures which support memory encryption override this.
+ */
+ssize_t __weak
+copy_oldmem_page_encrypted(unsigned long pfn, char *buf, size_t csize,
+ unsigned long offset, int userbuf)
+{
+ return copy_oldmem_page(pfn, buf, csize, offset, userbuf);
+}
+
+/*
* Copy to either kernel or user space
*/
static int copy_to(void *target, void *src, size_t size, int userbuf)
generated by cgit v1.2.3 (git 2.25.1) at 2025-12-08 17:03:12 +0000