Quick fix (not sure that it's fully correct)
diff --git a/fs/overlayfs/file.c b/fs/overlayfs/file.c
index 943733d86da3..fa30b615076e 100644
--- a/fs/overlayfs/file.c
+++ b/fs/overlayfs/file.c
@@ -24,13 +24,16 @@ static char ovl_whatisit(struct inode *inode, struct inode
*realinode)
static struct file *ovl_open_realfile(const struct file *file,
struct inode *realinode)
{
+ struct path realpath;
struct inode *inode = file_inode(file);
struct file *realfile;
const struct cred *old_cred;
int flags = file->f_flags | O_NOATIME | FMODE_NONOTIFY;
old_cred = ovl_override_creds(inode->i_sb);
- realfile = open_with_fake_path(&file->f_path, flags, realinode,
+ ovl_path_real(file->f_path.dentry, &realpath);
+ realpath.mnt = file->f_path.mnt; // important!
+ realfile = open_with_fake_path(&realpath, flags, realinode,
current_cred());
revert_creds(old_cred);
--
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https://bugs.launchpad.net/bugs/1857257
Title:
linux-image-5.0.0-35-generic breaks checkpointing of container
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