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-rw-r--r--debian/patches/features/all/aufs4/aufs4-base.patch328
-rw-r--r--debian/patches/features/all/aufs4/aufs4-mmap.patch406
-rw-r--r--debian/patches/features/all/aufs4/aufs4-standalone.patch385
3 files changed, 1119 insertions, 0 deletions
diff --git a/debian/patches/features/all/aufs4/aufs4-base.patch b/debian/patches/features/all/aufs4/aufs4-base.patch
new file mode 100644
index 000000000..c0e036a73
--- /dev/null
+++ b/debian/patches/features/all/aufs4/aufs4-base.patch
@@ -0,0 +1,328 @@
+From: J. R. Okajima <hooanon05@yahoo.co.jp>
+Date: Tue Sep 3 14:14:09 2019 +0900
+Subject: aufs4.19.63+ base patch
+Origin: https://github.com/sfjro/aufs4-standalone/tree/6c582cc629cbfb4fac5bfc7d20db128c7d201da6
+Bug-Debian: https://bugs.debian.org/541828
+
+Patch headers added by debian/bin/genpatch-aufs
+
+SPDX-License-Identifier: GPL-2.0
+aufs4.19.63+ base patch
+
+diff --git a/MAINTAINERS b/MAINTAINERS
+index 11a59e82d92e..573d5b42b28b 100644
+--- a/MAINTAINERS
++++ b/MAINTAINERS
+@@ -2605,6 +2605,19 @@ F: include/linux/audit.h
+ F: include/uapi/linux/audit.h
+ F: kernel/audit*
+
++AUFS (advanced multi layered unification filesystem) FILESYSTEM
++M: "J. R. Okajima" <hooanon05g@gmail.com>
++L: aufs-users@lists.sourceforge.net (members only)
++L: linux-unionfs@vger.kernel.org
++W: http://aufs.sourceforge.net
++T: git://github.com/sfjro/aufs4-linux.git
++S: Supported
++F: Documentation/filesystems/aufs/
++F: Documentation/ABI/testing/debugfs-aufs
++F: Documentation/ABI/testing/sysfs-aufs
++F: fs/aufs/
++F: include/uapi/linux/aufs_type.h
++
+ AUXILIARY DISPLAY DRIVERS
+ M: Miguel Ojeda Sandonis <miguel.ojeda.sandonis@gmail.com>
+ S: Maintained
+diff --git a/drivers/block/loop.c b/drivers/block/loop.c
+index f1e63eb7cbca..b732df5f14f3 100644
+--- a/drivers/block/loop.c
++++ b/drivers/block/loop.c
+@@ -739,6 +739,24 @@ static int loop_change_fd(struct loop_device *lo, struct block_device *bdev,
+ return error;
+ }
+
++/*
++ * for AUFS
++ * no get/put for file.
++ */
++struct file *loop_backing_file(struct super_block *sb)
++{
++ struct file *ret;
++ struct loop_device *l;
++
++ ret = NULL;
++ if (MAJOR(sb->s_dev) == LOOP_MAJOR) {
++ l = sb->s_bdev->bd_disk->private_data;
++ ret = l->lo_backing_file;
++ }
++ return ret;
++}
++EXPORT_SYMBOL_GPL(loop_backing_file);
++
+ /* loop sysfs attributes */
+
+ static ssize_t loop_attr_show(struct device *dev, char *page,
+diff --git a/fs/dcache.c b/fs/dcache.c
+index 6e0022326afe..3bd53094ac3d 100644
+--- a/fs/dcache.c
++++ b/fs/dcache.c
+@@ -1234,7 +1234,7 @@ enum d_walk_ret {
+ *
+ * The @enter() callbacks are called with d_lock held.
+ */
+-static void d_walk(struct dentry *parent, void *data,
++void d_walk(struct dentry *parent, void *data,
+ enum d_walk_ret (*enter)(void *, struct dentry *))
+ {
+ struct dentry *this_parent;
+diff --git a/fs/fcntl.c b/fs/fcntl.c
+index 4137d96534a6..c91b3e3c4580 100644
+--- a/fs/fcntl.c
++++ b/fs/fcntl.c
+@@ -32,7 +32,7 @@
+
+ #define SETFL_MASK (O_APPEND | O_NONBLOCK | O_NDELAY | O_DIRECT | O_NOATIME)
+
+-static int setfl(int fd, struct file * filp, unsigned long arg)
++int setfl(int fd, struct file * filp, unsigned long arg)
+ {
+ struct inode * inode = file_inode(filp);
+ int error = 0;
+@@ -63,6 +63,8 @@ static int setfl(int fd, struct file * filp, unsigned long arg)
+
+ if (filp->f_op->check_flags)
+ error = filp->f_op->check_flags(arg);
++ if (!error && filp->f_op->setfl)
++ error = filp->f_op->setfl(filp, arg);
+ if (error)
+ return error;
+
+diff --git a/fs/inode.c b/fs/inode.c
+index 5c63693326bb..43046d7223e4 100644
+--- a/fs/inode.c
++++ b/fs/inode.c
+@@ -1657,7 +1657,7 @@ EXPORT_SYMBOL(generic_update_time);
+ * This does the actual work of updating an inodes time or version. Must have
+ * had called mnt_want_write() before calling this.
+ */
+-static int update_time(struct inode *inode, struct timespec64 *time, int flags)
++int update_time(struct inode *inode, struct timespec64 *time, int flags)
+ {
+ int (*update_time)(struct inode *, struct timespec64 *, int);
+
+diff --git a/fs/namespace.c b/fs/namespace.c
+index 1fce41ba3535..fbd7edd49a2f 100644
+--- a/fs/namespace.c
++++ b/fs/namespace.c
+@@ -770,6 +770,12 @@ static inline int check_mnt(struct mount *mnt)
+ return mnt->mnt_ns == current->nsproxy->mnt_ns;
+ }
+
++/* for aufs, CONFIG_AUFS_BR_FUSE */
++int is_current_mnt_ns(struct vfsmount *mnt)
++{
++ return check_mnt(real_mount(mnt));
++}
++
+ /*
+ * vfsmount lock must be held for write
+ */
+diff --git a/fs/read_write.c b/fs/read_write.c
+index 85fd7a8ee29e..c1335b4f19c0 100644
+--- a/fs/read_write.c
++++ b/fs/read_write.c
+@@ -489,6 +489,28 @@ ssize_t __vfs_write(struct file *file, const char __user *p, size_t count,
+ return -EINVAL;
+ }
+
++vfs_readf_t vfs_readf(struct file *file)
++{
++ const struct file_operations *fop = file->f_op;
++
++ if (fop->read)
++ return fop->read;
++ if (fop->read_iter)
++ return new_sync_read;
++ return ERR_PTR(-ENOSYS);
++}
++
++vfs_writef_t vfs_writef(struct file *file)
++{
++ const struct file_operations *fop = file->f_op;
++
++ if (fop->write)
++ return fop->write;
++ if (fop->write_iter)
++ return new_sync_write;
++ return ERR_PTR(-ENOSYS);
++}
++
+ ssize_t __kernel_write(struct file *file, const void *buf, size_t count, loff_t *pos)
+ {
+ mm_segment_t old_fs;
+diff --git a/fs/splice.c b/fs/splice.c
+index 485e409ef841..b2c2d320565b 100644
+--- a/fs/splice.c
++++ b/fs/splice.c
+@@ -838,8 +838,8 @@ EXPORT_SYMBOL(generic_splice_sendpage);
+ /*
+ * Attempt to initiate a splice from pipe to file.
+ */
+-static long do_splice_from(struct pipe_inode_info *pipe, struct file *out,
+- loff_t *ppos, size_t len, unsigned int flags)
++long do_splice_from(struct pipe_inode_info *pipe, struct file *out,
++ loff_t *ppos, size_t len, unsigned int flags)
+ {
+ ssize_t (*splice_write)(struct pipe_inode_info *, struct file *,
+ loff_t *, size_t, unsigned int);
+@@ -855,9 +855,9 @@ static long do_splice_from(struct pipe_inode_info *pipe, struct file *out,
+ /*
+ * Attempt to initiate a splice from a file to a pipe.
+ */
+-static long do_splice_to(struct file *in, loff_t *ppos,
+- struct pipe_inode_info *pipe, size_t len,
+- unsigned int flags)
++long do_splice_to(struct file *in, loff_t *ppos,
++ struct pipe_inode_info *pipe, size_t len,
++ unsigned int flags)
+ {
+ ssize_t (*splice_read)(struct file *, loff_t *,
+ struct pipe_inode_info *, size_t, unsigned int);
+diff --git a/fs/sync.c b/fs/sync.c
+index b54e0541ad89..28607828e96f 100644
+--- a/fs/sync.c
++++ b/fs/sync.c
+@@ -28,7 +28,7 @@
+ * wait == 1 case since in that case write_inode() functions do
+ * sync_dirty_buffer() and thus effectively write one block at a time.
+ */
+-static int __sync_filesystem(struct super_block *sb, int wait)
++int __sync_filesystem(struct super_block *sb, int wait)
+ {
+ if (wait)
+ sync_inodes_sb(sb);
+diff --git a/include/linux/fs.h b/include/linux/fs.h
+index 92420009b9bc..ecad33c40cae 100644
+--- a/include/linux/fs.h
++++ b/include/linux/fs.h
+@@ -1295,6 +1295,7 @@ extern void fasync_free(struct fasync_struct *);
+ /* can be called from interrupts */
+ extern void kill_fasync(struct fasync_struct **, int, int);
+
++extern int setfl(int fd, struct file * filp, unsigned long arg);
+ extern void __f_setown(struct file *filp, struct pid *, enum pid_type, int force);
+ extern int f_setown(struct file *filp, unsigned long arg, int force);
+ extern void f_delown(struct file *filp);
+@@ -1759,6 +1760,7 @@ struct file_operations {
+ ssize_t (*sendpage) (struct file *, struct page *, int, size_t, loff_t *, int);
+ unsigned long (*get_unmapped_area)(struct file *, unsigned long, unsigned long, unsigned long, unsigned long);
+ int (*check_flags)(int);
++ int (*setfl)(struct file *, unsigned long);
+ int (*flock) (struct file *, int, struct file_lock *);
+ ssize_t (*splice_write)(struct pipe_inode_info *, struct file *, loff_t *, size_t, unsigned int);
+ ssize_t (*splice_read)(struct file *, loff_t *, struct pipe_inode_info *, size_t, unsigned int);
+@@ -1830,6 +1832,12 @@ ssize_t rw_copy_check_uvector(int type, const struct iovec __user * uvector,
+ struct iovec *fast_pointer,
+ struct iovec **ret_pointer);
+
++typedef ssize_t (*vfs_readf_t)(struct file *, char __user *, size_t, loff_t *);
++typedef ssize_t (*vfs_writef_t)(struct file *, const char __user *, size_t,
++ loff_t *);
++vfs_readf_t vfs_readf(struct file *file);
++vfs_writef_t vfs_writef(struct file *file);
++
+ extern ssize_t __vfs_read(struct file *, char __user *, size_t, loff_t *);
+ extern ssize_t vfs_read(struct file *, char __user *, size_t, loff_t *);
+ extern ssize_t vfs_write(struct file *, const char __user *, size_t, loff_t *);
+@@ -2255,6 +2263,7 @@ extern int current_umask(void);
+ extern void ihold(struct inode * inode);
+ extern void iput(struct inode *);
+ extern int generic_update_time(struct inode *, struct timespec64 *, int);
++extern int update_time(struct inode *, struct timespec64 *, int);
+
+ /* /sys/fs */
+ extern struct kobject *fs_kobj;
+@@ -2542,6 +2551,7 @@ static inline bool sb_is_blkdev_sb(struct super_block *sb)
+ return false;
+ }
+ #endif
++extern int __sync_filesystem(struct super_block *, int);
+ extern int sync_filesystem(struct super_block *);
+ extern const struct file_operations def_blk_fops;
+ extern const struct file_operations def_chr_fops;
+diff --git a/include/linux/lockdep.h b/include/linux/lockdep.h
+index b0d0b51c4d85..f73ffaa0199e 100644
+--- a/include/linux/lockdep.h
++++ b/include/linux/lockdep.h
+@@ -313,6 +313,8 @@ static inline int lockdep_match_key(struct lockdep_map *lock,
+ return lock->key == key;
+ }
+
++struct lock_class *lockdep_hlock_class(struct held_lock *hlock);
++
+ /*
+ * Acquire a lock.
+ *
+@@ -439,6 +441,7 @@ struct lockdep_map { };
+
+ #define lockdep_depth(tsk) (0)
+
++#define lockdep_is_held(lock) (1)
+ #define lockdep_is_held_type(l, r) (1)
+
+ #define lockdep_assert_held(l) do { (void)(l); } while (0)
+diff --git a/include/linux/mnt_namespace.h b/include/linux/mnt_namespace.h
+index 35942084cd40..24f5fd1a789d 100644
+--- a/include/linux/mnt_namespace.h
++++ b/include/linux/mnt_namespace.h
+@@ -6,11 +6,14 @@
+ struct mnt_namespace;
+ struct fs_struct;
+ struct user_namespace;
++struct vfsmount;
+
+ extern struct mnt_namespace *copy_mnt_ns(unsigned long, struct mnt_namespace *,
+ struct user_namespace *, struct fs_struct *);
+ extern void put_mnt_ns(struct mnt_namespace *ns);
+
++extern int is_current_mnt_ns(struct vfsmount *mnt);
++
+ extern const struct file_operations proc_mounts_operations;
+ extern const struct file_operations proc_mountinfo_operations;
+ extern const struct file_operations proc_mountstats_operations;
+diff --git a/include/linux/splice.h b/include/linux/splice.h
+index 74b4911ac16d..19789fbea567 100644
+--- a/include/linux/splice.h
++++ b/include/linux/splice.h
+@@ -87,4 +87,10 @@ extern void splice_shrink_spd(struct splice_pipe_desc *);
+
+ extern const struct pipe_buf_operations page_cache_pipe_buf_ops;
+ extern const struct pipe_buf_operations default_pipe_buf_ops;
++
++extern long do_splice_from(struct pipe_inode_info *pipe, struct file *out,
++ loff_t *ppos, size_t len, unsigned int flags);
++extern long do_splice_to(struct file *in, loff_t *ppos,
++ struct pipe_inode_info *pipe, size_t len,
++ unsigned int flags);
+ #endif
+diff --git a/kernel/locking/lockdep.c b/kernel/locking/lockdep.c
+index e810e8cb17e1..d0c9931e6531 100644
+--- a/kernel/locking/lockdep.c
++++ b/kernel/locking/lockdep.c
+@@ -140,7 +140,7 @@ static struct lock_list list_entries[MAX_LOCKDEP_ENTRIES];
+ unsigned long nr_lock_classes;
+ static struct lock_class lock_classes[MAX_LOCKDEP_KEYS];
+
+-static inline struct lock_class *hlock_class(struct held_lock *hlock)
++inline struct lock_class *lockdep_hlock_class(struct held_lock *hlock)
+ {
+ if (!hlock->class_idx) {
+ /*
+@@ -151,6 +151,7 @@ static inline struct lock_class *hlock_class(struct held_lock *hlock)
+ }
+ return lock_classes + hlock->class_idx - 1;
+ }
++#define hlock_class(hlock) lockdep_hlock_class(hlock)
+
+ #ifdef CONFIG_LOCK_STAT
+ static DEFINE_PER_CPU(struct lock_class_stats[MAX_LOCKDEP_KEYS], cpu_lock_stats);
diff --git a/debian/patches/features/all/aufs4/aufs4-mmap.patch b/debian/patches/features/all/aufs4/aufs4-mmap.patch
new file mode 100644
index 000000000..98fe007a8
--- /dev/null
+++ b/debian/patches/features/all/aufs4/aufs4-mmap.patch
@@ -0,0 +1,406 @@
+From: J. R. Okajima <hooanon05@yahoo.co.jp>
+Date: Tue Sep 3 14:14:09 2019 +0900
+Subject: aufs4.19.63+ mmap patch
+Origin: https://github.com/sfjro/aufs4-standalone/tree/6c582cc629cbfb4fac5bfc7d20db128c7d201da6
+Bug-Debian: https://bugs.debian.org/541828
+
+Patch headers added by debian/bin/genpatch-aufs
+
+SPDX-License-Identifier: GPL-2.0
+aufs4.19.63+ mmap patch
+
+diff --git a/fs/proc/base.c b/fs/proc/base.c
+index a7fbda72afeb..9c8439a01c5b 100644
+--- a/fs/proc/base.c
++++ b/fs/proc/base.c
+@@ -2018,7 +2018,7 @@ static int map_files_get_link(struct dentry *dentry, struct path *path)
+ rc = -ENOENT;
+ vma = find_exact_vma(mm, vm_start, vm_end);
+ if (vma && vma->vm_file) {
+- *path = vma->vm_file->f_path;
++ *path = vma_pr_or_file(vma)->f_path;
+ path_get(path);
+ rc = 0;
+ }
+diff --git a/fs/proc/nommu.c b/fs/proc/nommu.c
+index 3b63be64e436..fb9913bf3d10 100644
+--- a/fs/proc/nommu.c
++++ b/fs/proc/nommu.c
+@@ -45,7 +45,10 @@ static int nommu_region_show(struct seq_file *m, struct vm_region *region)
+ file = region->vm_file;
+
+ if (file) {
+- struct inode *inode = file_inode(region->vm_file);
++ struct inode *inode;
++
++ file = vmr_pr_or_file(region);
++ inode = file_inode(file);
+ dev = inode->i_sb->s_dev;
+ ino = inode->i_ino;
+ }
+diff --git a/fs/proc/task_mmu.c b/fs/proc/task_mmu.c
+index 71aba44c4fa6..87cdce66a3f4 100644
+--- a/fs/proc/task_mmu.c
++++ b/fs/proc/task_mmu.c
+@@ -309,7 +309,10 @@ show_map_vma(struct seq_file *m, struct vm_area_struct *vma)
+ const char *name = NULL;
+
+ if (file) {
+- struct inode *inode = file_inode(vma->vm_file);
++ struct inode *inode;
++
++ file = vma_pr_or_file(vma);
++ inode = file_inode(file);
+ dev = inode->i_sb->s_dev;
+ ino = inode->i_ino;
+ pgoff = ((loff_t)vma->vm_pgoff) << PAGE_SHIFT;
+@@ -1766,7 +1769,7 @@ static int show_numa_map(struct seq_file *m, void *v)
+ struct proc_maps_private *proc_priv = &numa_priv->proc_maps;
+ struct vm_area_struct *vma = v;
+ struct numa_maps *md = &numa_priv->md;
+- struct file *file = vma->vm_file;
++ struct file *file = vma_pr_or_file(vma);
+ struct mm_struct *mm = vma->vm_mm;
+ struct mm_walk walk = {
+ .hugetlb_entry = gather_hugetlb_stats,
+diff --git a/fs/proc/task_nommu.c b/fs/proc/task_nommu.c
+index 5161894a6d62..b6d13cce45f3 100644
+--- a/fs/proc/task_nommu.c
++++ b/fs/proc/task_nommu.c
+@@ -155,7 +155,10 @@ static int nommu_vma_show(struct seq_file *m, struct vm_area_struct *vma)
+ file = vma->vm_file;
+
+ if (file) {
+- struct inode *inode = file_inode(vma->vm_file);
++ struct inode *inode;
++
++ file = vma_pr_or_file(vma);
++ inode = file_inode(file);
+ dev = inode->i_sb->s_dev;
+ ino = inode->i_ino;
+ pgoff = (loff_t)vma->vm_pgoff << PAGE_SHIFT;
+diff --git a/include/linux/mm.h b/include/linux/mm.h
+index bdec425c8e14..88cb95dc57dd 100644
+--- a/include/linux/mm.h
++++ b/include/linux/mm.h
+@@ -1453,6 +1453,28 @@ static inline void unmap_shared_mapping_range(struct address_space *mapping,
+ unmap_mapping_range(mapping, holebegin, holelen, 0);
+ }
+
++extern void vma_do_file_update_time(struct vm_area_struct *, const char[], int);
++extern struct file *vma_do_pr_or_file(struct vm_area_struct *, const char[],
++ int);
++extern void vma_do_get_file(struct vm_area_struct *, const char[], int);
++extern void vma_do_fput(struct vm_area_struct *, const char[], int);
++
++#define vma_file_update_time(vma) vma_do_file_update_time(vma, __func__, \
++ __LINE__)
++#define vma_pr_or_file(vma) vma_do_pr_or_file(vma, __func__, \
++ __LINE__)
++#define vma_get_file(vma) vma_do_get_file(vma, __func__, __LINE__)
++#define vma_fput(vma) vma_do_fput(vma, __func__, __LINE__)
++
++#ifndef CONFIG_MMU
++extern struct file *vmr_do_pr_or_file(struct vm_region *, const char[], int);
++extern void vmr_do_fput(struct vm_region *, const char[], int);
++
++#define vmr_pr_or_file(region) vmr_do_pr_or_file(region, __func__, \
++ __LINE__)
++#define vmr_fput(region) vmr_do_fput(region, __func__, __LINE__)
++#endif /* !CONFIG_MMU */
++
+ extern int access_process_vm(struct task_struct *tsk, unsigned long addr,
+ void *buf, int len, unsigned int gup_flags);
+ extern int access_remote_vm(struct mm_struct *mm, unsigned long addr,
+diff --git a/include/linux/mm_types.h b/include/linux/mm_types.h
+index 5ed8f6292a53..01229754077f 100644
+--- a/include/linux/mm_types.h
++++ b/include/linux/mm_types.h
+@@ -239,6 +239,7 @@ struct vm_region {
+ unsigned long vm_top; /* region allocated to here */
+ unsigned long vm_pgoff; /* the offset in vm_file corresponding to vm_start */
+ struct file *vm_file; /* the backing file or NULL */
++ struct file *vm_prfile; /* the virtual backing file or NULL */
+
+ int vm_usage; /* region usage count (access under nommu_region_sem) */
+ bool vm_icache_flushed : 1; /* true if the icache has been flushed for
+@@ -313,6 +314,7 @@ struct vm_area_struct {
+ unsigned long vm_pgoff; /* Offset (within vm_file) in PAGE_SIZE
+ units */
+ struct file * vm_file; /* File we map to (can be NULL). */
++ struct file *vm_prfile; /* shadow of vm_file */
+ void * vm_private_data; /* was vm_pte (shared mem) */
+
+ atomic_long_t swap_readahead_info;
+diff --git a/kernel/fork.c b/kernel/fork.c
+index 69874db3fba8..757620e64e7b 100644
+--- a/kernel/fork.c
++++ b/kernel/fork.c
+@@ -505,7 +505,7 @@ static __latent_entropy int dup_mmap(struct mm_struct *mm,
+ struct inode *inode = file_inode(file);
+ struct address_space *mapping = file->f_mapping;
+
+- get_file(file);
++ vma_get_file(tmp);
+ if (tmp->vm_flags & VM_DENYWRITE)
+ atomic_dec(&inode->i_writecount);
+ i_mmap_lock_write(mapping);
+diff --git a/mm/Makefile b/mm/Makefile
+index 26ef77a3883b..b2869af1ef08 100644
+--- a/mm/Makefile
++++ b/mm/Makefile
+@@ -39,7 +39,7 @@ obj-y := filemap.o mempool.o oom_kill.o fadvise.o \
+ mm_init.o mmu_context.o percpu.o slab_common.o \
+ compaction.o vmacache.o \
+ interval_tree.o list_lru.o workingset.o \
+- debug.o $(mmu-y)
++ prfile.o debug.o $(mmu-y)
+
+ obj-y += init-mm.o
+
+diff --git a/mm/filemap.c b/mm/filemap.c
+index 287f3fa02e5e..f96b6dd07b0b 100644
+--- a/mm/filemap.c
++++ b/mm/filemap.c
+@@ -2722,7 +2722,7 @@ vm_fault_t filemap_page_mkwrite(struct vm_fault *vmf)
+ vm_fault_t ret = VM_FAULT_LOCKED;
+
+ sb_start_pagefault(inode->i_sb);
+- file_update_time(vmf->vma->vm_file);
++ vma_file_update_time(vmf->vma);
+ lock_page(page);
+ if (page->mapping != inode->i_mapping) {
+ unlock_page(page);
+diff --git a/mm/mmap.c b/mm/mmap.c
+index 1480880ff814..03ae15dfe614 100644
+--- a/mm/mmap.c
++++ b/mm/mmap.c
+@@ -181,7 +181,7 @@ static struct vm_area_struct *remove_vma(struct vm_area_struct *vma)
+ if (vma->vm_ops && vma->vm_ops->close)
+ vma->vm_ops->close(vma);
+ if (vma->vm_file)
+- fput(vma->vm_file);
++ vma_fput(vma);
+ mpol_put(vma_policy(vma));
+ vm_area_free(vma);
+ return next;
+@@ -906,7 +906,7 @@ int __vma_adjust(struct vm_area_struct *vma, unsigned long start,
+ if (remove_next) {
+ if (file) {
+ uprobe_munmap(next, next->vm_start, next->vm_end);
+- fput(file);
++ vma_fput(vma);
+ }
+ if (next->anon_vma)
+ anon_vma_merge(vma, next);
+@@ -1822,8 +1822,8 @@ unsigned long mmap_region(struct file *file, unsigned long addr,
+ return addr;
+
+ unmap_and_free_vma:
++ vma_fput(vma);
+ vma->vm_file = NULL;
+- fput(file);
+
+ /* Undo any partial mapping done by a device driver. */
+ unmap_region(mm, vma, prev, vma->vm_start, vma->vm_end);
+@@ -2645,7 +2645,7 @@ int __split_vma(struct mm_struct *mm, struct vm_area_struct *vma,
+ goto out_free_mpol;
+
+ if (new->vm_file)
+- get_file(new->vm_file);
++ vma_get_file(new);
+
+ if (new->vm_ops && new->vm_ops->open)
+ new->vm_ops->open(new);
+@@ -2664,7 +2664,7 @@ int __split_vma(struct mm_struct *mm, struct vm_area_struct *vma,
+ if (new->vm_ops && new->vm_ops->close)
+ new->vm_ops->close(new);
+ if (new->vm_file)
+- fput(new->vm_file);
++ vma_fput(new);
+ unlink_anon_vmas(new);
+ out_free_mpol:
+ mpol_put(vma_policy(new));
+@@ -2826,7 +2826,7 @@ SYSCALL_DEFINE5(remap_file_pages, unsigned long, start, unsigned long, size,
+ struct vm_area_struct *vma;
+ unsigned long populate = 0;
+ unsigned long ret = -EINVAL;
+- struct file *file;
++ struct file *file, *prfile;
+
+ pr_warn_once("%s (%d) uses deprecated remap_file_pages() syscall. See Documentation/vm/remap_file_pages.rst.\n",
+ current->comm, current->pid);
+@@ -2901,10 +2901,27 @@ SYSCALL_DEFINE5(remap_file_pages, unsigned long, start, unsigned long, size,
+ }
+ }
+
+- file = get_file(vma->vm_file);
++ vma_get_file(vma);
++ file = vma->vm_file;
++ prfile = vma->vm_prfile;
+ ret = do_mmap_pgoff(vma->vm_file, start, size,
+ prot, flags, pgoff, &populate, NULL);
++ if (!IS_ERR_VALUE(ret) && file && prfile) {
++ struct vm_area_struct *new_vma;
++
++ new_vma = find_vma(mm, ret);
++ if (!new_vma->vm_prfile)
++ new_vma->vm_prfile = prfile;
++ if (new_vma != vma)
++ get_file(prfile);
++ }
++ /*
++ * two fput()s instead of vma_fput(vma),
++ * coz vma may not be available anymore.
++ */
+ fput(file);
++ if (prfile)
++ fput(prfile);
+ out:
+ up_write(&mm->mmap_sem);
+ if (populate)
+@@ -3210,7 +3227,7 @@ struct vm_area_struct *copy_vma(struct vm_area_struct **vmap,
+ if (anon_vma_clone(new_vma, vma))
+ goto out_free_mempol;
+ if (new_vma->vm_file)
+- get_file(new_vma->vm_file);
++ vma_get_file(new_vma);
+ if (new_vma->vm_ops && new_vma->vm_ops->open)
+ new_vma->vm_ops->open(new_vma);
+ vma_link(mm, new_vma, prev, rb_link, rb_parent);
+diff --git a/mm/nommu.c b/mm/nommu.c
+index 1d63ecfc98c5..15eafddeb944 100644
+--- a/mm/nommu.c
++++ b/mm/nommu.c
+@@ -625,7 +625,7 @@ static void __put_nommu_region(struct vm_region *region)
+ up_write(&nommu_region_sem);
+
+ if (region->vm_file)
+- fput(region->vm_file);
++ vmr_fput(region);
+
+ /* IO memory and memory shared directly out of the pagecache
+ * from ramfs/tmpfs mustn't be released here */
+@@ -763,7 +763,7 @@ static void delete_vma(struct mm_struct *mm, struct vm_area_struct *vma)
+ if (vma->vm_ops && vma->vm_ops->close)
+ vma->vm_ops->close(vma);
+ if (vma->vm_file)
+- fput(vma->vm_file);
++ vma_fput(vma);
+ put_nommu_region(vma->vm_region);
+ vm_area_free(vma);
+ }
+@@ -1286,7 +1286,7 @@ unsigned long do_mmap(struct file *file,
+ goto error_just_free;
+ }
+ }
+- fput(region->vm_file);
++ vmr_fput(region);
+ kmem_cache_free(vm_region_jar, region);
+ region = pregion;
+ result = start;
+@@ -1361,10 +1361,10 @@ unsigned long do_mmap(struct file *file,
+ up_write(&nommu_region_sem);
+ error:
+ if (region->vm_file)
+- fput(region->vm_file);
++ vmr_fput(region);
+ kmem_cache_free(vm_region_jar, region);
+ if (vma->vm_file)
+- fput(vma->vm_file);
++ vma_fput(vma);
+ vm_area_free(vma);
+ return ret;
+
+diff --git a/mm/prfile.c b/mm/prfile.c
+new file mode 100644
+index 000000000000..024cdcfae1b1
+--- /dev/null
++++ b/mm/prfile.c
+@@ -0,0 +1,86 @@
++// SPDX-License-Identifier: GPL-2.0
++/*
++ * Mainly for aufs which mmap(2) different file and wants to print different
++ * path in /proc/PID/maps.
++ * Call these functions via macros defined in linux/mm.h.
++ *
++ * See Documentation/filesystems/aufs/design/06mmap.txt
++ *
++ * Copyright (c) 2014-2019 Junjro R. Okajima
++ * Copyright (c) 2014 Ian Campbell
++ */
++
++#include <linux/mm.h>
++#include <linux/file.h>
++#include <linux/fs.h>
++
++/* #define PRFILE_TRACE */
++static inline void prfile_trace(struct file *f, struct file *pr,
++ const char func[], int line, const char func2[])
++{
++#ifdef PRFILE_TRACE
++ if (pr)
++ pr_info("%s:%d: %s, %pD2\n", func, line, func2, f);
++#endif
++}
++
++void vma_do_file_update_time(struct vm_area_struct *vma, const char func[],
++ int line)
++{
++ struct file *f = vma->vm_file, *pr = vma->vm_prfile;
++
++ prfile_trace(f, pr, func, line, __func__);
++ file_update_time(f);
++ if (f && pr)
++ file_update_time(pr);
++}
++
++struct file *vma_do_pr_or_file(struct vm_area_struct *vma, const char func[],
++ int line)
++{
++ struct file *f = vma->vm_file, *pr = vma->vm_prfile;
++
++ prfile_trace(f, pr, func, line, __func__);
++ return (f && pr) ? pr : f;
++}
++
++void vma_do_get_file(struct vm_area_struct *vma, const char func[], int line)
++{
++ struct file *f = vma->vm_file, *pr = vma->vm_prfile;
++
++ prfile_trace(f, pr, func, line, __func__);
++ get_file(f);
++ if (f && pr)
++ get_file(pr);
++}
++
++void vma_do_fput(struct vm_area_struct *vma, const char func[], int line)
++{
++ struct file *f = vma->vm_file, *pr = vma->vm_prfile;
++
++ prfile_trace(f, pr, func, line, __func__);
++ fput(f);
++ if (f && pr)
++ fput(pr);
++}
++
++#ifndef CONFIG_MMU
++struct file *vmr_do_pr_or_file(struct vm_region *region, const char func[],
++ int line)
++{
++ struct file *f = region->vm_file, *pr = region->vm_prfile;
++
++ prfile_trace(f, pr, func, line, __func__);
++ return (f && pr) ? pr : f;
++}
++
++void vmr_do_fput(struct vm_region *region, const char func[], int line)
++{
++ struct file *f = region->vm_file, *pr = region->vm_prfile;
++
++ prfile_trace(f, pr, func, line, __func__);
++ fput(f);
++ if (f && pr)
++ fput(pr);
++}
++#endif /* !CONFIG_MMU */
diff --git a/debian/patches/features/all/aufs4/aufs4-standalone.patch b/debian/patches/features/all/aufs4/aufs4-standalone.patch
new file mode 100644
index 000000000..0a682c2f5
--- /dev/null
+++ b/debian/patches/features/all/aufs4/aufs4-standalone.patch
@@ -0,0 +1,385 @@
+From: J. R. Okajima <hooanon05@yahoo.co.jp>
+Date: Tue Sep 3 14:14:09 2019 +0900
+Subject: aufs4.19.63+ standalone patch
+Origin: https://github.com/sfjro/aufs4-standalone/tree/6c582cc629cbfb4fac5bfc7d20db128c7d201da6
+Bug-Debian: https://bugs.debian.org/541828
+
+Patch headers added by debian/bin/genpatch-aufs
+
+SPDX-License-Identifier: GPL-2.0
+aufs4.19.63+ standalone patch
+
+diff --git a/fs/dcache.c b/fs/dcache.c
+index 3bd53094ac3d..d6b2f7a994f4 100644
+--- a/fs/dcache.c
++++ b/fs/dcache.c
+@@ -1339,6 +1339,7 @@ void d_walk(struct dentry *parent, void *data,
+ seq = 1;
+ goto again;
+ }
++EXPORT_SYMBOL_GPL(d_walk);
+
+ struct check_mount {
+ struct vfsmount *mnt;
+@@ -2835,6 +2836,7 @@ void d_exchange(struct dentry *dentry1, struct dentry *dentry2)
+
+ write_sequnlock(&rename_lock);
+ }
++EXPORT_SYMBOL_GPL(d_exchange);
+
+ /**
+ * d_ancestor - search for an ancestor
+diff --git a/fs/exec.c b/fs/exec.c
+index 433b1257694a..504c56308700 100644
+--- a/fs/exec.c
++++ b/fs/exec.c
+@@ -109,6 +109,7 @@ bool path_noexec(const struct path *path)
+ return (path->mnt->mnt_flags & MNT_NOEXEC) ||
+ (path->mnt->mnt_sb->s_iflags & SB_I_NOEXEC);
+ }
++EXPORT_SYMBOL_GPL(path_noexec);
+
+ #ifdef CONFIG_USELIB
+ /*
+diff --git a/fs/fcntl.c b/fs/fcntl.c
+index c91b3e3c4580..77513097f04c 100644
+--- a/fs/fcntl.c
++++ b/fs/fcntl.c
+@@ -85,6 +85,7 @@ int setfl(int fd, struct file * filp, unsigned long arg)
+ out:
+ return error;
+ }
++EXPORT_SYMBOL_GPL(setfl);
+
+ static void f_modown(struct file *filp, struct pid *pid, enum pid_type type,
+ int force)
+diff --git a/fs/file_table.c b/fs/file_table.c
+index e49af4caf15d..569020fd1fb3 100644
+--- a/fs/file_table.c
++++ b/fs/file_table.c
+@@ -161,6 +161,7 @@ struct file *alloc_empty_file(int flags, const struct cred *cred)
+ }
+ return ERR_PTR(-ENFILE);
+ }
++EXPORT_SYMBOL_GPL(alloc_empty_file);
+
+ /*
+ * Variant of alloc_empty_file() that doesn't check and modify nr_files.
+@@ -323,6 +324,7 @@ void flush_delayed_fput(void)
+ {
+ delayed_fput(NULL);
+ }
++EXPORT_SYMBOL_GPL(flush_delayed_fput);
+
+ static DECLARE_DELAYED_WORK(delayed_fput_work, delayed_fput);
+
+@@ -365,6 +367,7 @@ void __fput_sync(struct file *file)
+ }
+
+ EXPORT_SYMBOL(fput);
++EXPORT_SYMBOL_GPL(__fput_sync);
+
+ void __init files_init(void)
+ {
+diff --git a/fs/inode.c b/fs/inode.c
+index 43046d7223e4..36146c757aa2 100644
+--- a/fs/inode.c
++++ b/fs/inode.c
+@@ -1666,6 +1666,7 @@ int update_time(struct inode *inode, struct timespec64 *time, int flags)
+
+ return update_time(inode, time, flags);
+ }
++EXPORT_SYMBOL_GPL(update_time);
+
+ /**
+ * touch_atime - update the access time
+diff --git a/fs/namespace.c b/fs/namespace.c
+index fbd7edd49a2f..d6eca814d9fc 100644
+--- a/fs/namespace.c
++++ b/fs/namespace.c
+@@ -437,6 +437,7 @@ void __mnt_drop_write(struct vfsmount *mnt)
+ mnt_dec_writers(real_mount(mnt));
+ preempt_enable();
+ }
++EXPORT_SYMBOL_GPL(__mnt_drop_write);
+
+ /**
+ * mnt_drop_write - give up write access to a mount
+@@ -775,6 +776,7 @@ int is_current_mnt_ns(struct vfsmount *mnt)
+ {
+ return check_mnt(real_mount(mnt));
+ }
++EXPORT_SYMBOL_GPL(is_current_mnt_ns);
+
+ /*
+ * vfsmount lock must be held for write
+@@ -1844,6 +1846,7 @@ int iterate_mounts(int (*f)(struct vfsmount *, void *), void *arg,
+ }
+ return 0;
+ }
++EXPORT_SYMBOL_GPL(iterate_mounts);
+
+ static void cleanup_group_ids(struct mount *mnt, struct mount *end)
+ {
+diff --git a/fs/notify/group.c b/fs/notify/group.c
+index c03b83662876..94d210ca384a 100644
+--- a/fs/notify/group.c
++++ b/fs/notify/group.c
+@@ -112,6 +112,7 @@ void fsnotify_get_group(struct fsnotify_group *group)
+ {
+ refcount_inc(&group->refcnt);
+ }
++EXPORT_SYMBOL_GPL(fsnotify_get_group);
+
+ /*
+ * Drop a reference to a group. Free it if it's through.
+@@ -121,6 +122,7 @@ void fsnotify_put_group(struct fsnotify_group *group)
+ if (refcount_dec_and_test(&group->refcnt))
+ fsnotify_final_destroy_group(group);
+ }
++EXPORT_SYMBOL_GPL(fsnotify_put_group);
+
+ /*
+ * Create a new fsnotify_group and hold a reference for the group returned.
+@@ -150,6 +152,7 @@ struct fsnotify_group *fsnotify_alloc_group(const struct fsnotify_ops *ops)
+
+ return group;
+ }
++EXPORT_SYMBOL_GPL(fsnotify_alloc_group);
+
+ int fsnotify_fasync(int fd, struct file *file, int on)
+ {
+diff --git a/fs/notify/mark.c b/fs/notify/mark.c
+index 09535f6423fc..e9401ec71fc7 100644
+--- a/fs/notify/mark.c
++++ b/fs/notify/mark.c
+@@ -285,6 +285,7 @@ void fsnotify_put_mark(struct fsnotify_mark *mark)
+ queue_delayed_work(system_unbound_wq, &reaper_work,
+ FSNOTIFY_REAPER_DELAY);
+ }
++EXPORT_SYMBOL_GPL(fsnotify_put_mark);
+
+ /*
+ * Get mark reference when we found the mark via lockless traversal of object
+@@ -439,6 +440,7 @@ void fsnotify_destroy_mark(struct fsnotify_mark *mark,
+ mutex_unlock(&group->mark_mutex);
+ fsnotify_free_mark(mark);
+ }
++EXPORT_SYMBOL_GPL(fsnotify_destroy_mark);
+
+ /*
+ * Sorting function for lists of fsnotify marks.
+@@ -654,6 +656,7 @@ int fsnotify_add_mark(struct fsnotify_mark *mark, fsnotify_connp_t *connp,
+ mutex_unlock(&group->mark_mutex);
+ return ret;
+ }
++EXPORT_SYMBOL_GPL(fsnotify_add_mark);
+
+ /*
+ * Given a list of marks, find the mark associated with given group. If found
+@@ -777,6 +780,7 @@ void fsnotify_init_mark(struct fsnotify_mark *mark,
+ fsnotify_get_group(group);
+ mark->group = group;
+ }
++EXPORT_SYMBOL_GPL(fsnotify_init_mark);
+
+ /*
+ * Destroy all marks in destroy_list, waits for SRCU period to finish before
+diff --git a/fs/open.c b/fs/open.c
+index 878478745924..ab755f585f29 100644
+--- a/fs/open.c
++++ b/fs/open.c
+@@ -64,6 +64,7 @@ int do_truncate(struct dentry *dentry, loff_t length, unsigned int time_attrs,
+ inode_unlock(dentry->d_inode);
+ return ret;
+ }
++EXPORT_SYMBOL_GPL(do_truncate);
+
+ long vfs_truncate(const struct path *path, loff_t length)
+ {
+diff --git a/fs/read_write.c b/fs/read_write.c
+index c1335b4f19c0..6ed1f2ddcb03 100644
+--- a/fs/read_write.c
++++ b/fs/read_write.c
+@@ -459,6 +459,7 @@ ssize_t vfs_read(struct file *file, char __user *buf, size_t count, loff_t *pos)
+
+ return ret;
+ }
++EXPORT_SYMBOL_GPL(vfs_read);
+
+ static ssize_t new_sync_write(struct file *filp, const char __user *buf, size_t len, loff_t *ppos)
+ {
+@@ -499,6 +500,7 @@ vfs_readf_t vfs_readf(struct file *file)
+ return new_sync_read;
+ return ERR_PTR(-ENOSYS);
+ }
++EXPORT_SYMBOL_GPL(vfs_readf);
+
+ vfs_writef_t vfs_writef(struct file *file)
+ {
+@@ -510,6 +512,7 @@ vfs_writef_t vfs_writef(struct file *file)
+ return new_sync_write;
+ return ERR_PTR(-ENOSYS);
+ }
++EXPORT_SYMBOL_GPL(vfs_writef);
+
+ ssize_t __kernel_write(struct file *file, const void *buf, size_t count, loff_t *pos)
+ {
+@@ -579,6 +582,7 @@ ssize_t vfs_write(struct file *file, const char __user *buf, size_t count, loff_
+
+ return ret;
+ }
++EXPORT_SYMBOL_GPL(vfs_write);
+
+ static inline loff_t file_pos_read(struct file *file)
+ {
+diff --git a/fs/splice.c b/fs/splice.c
+index b2c2d320565b..8250f2366329 100644
+--- a/fs/splice.c
++++ b/fs/splice.c
+@@ -851,6 +851,7 @@ long do_splice_from(struct pipe_inode_info *pipe, struct file *out,
+
+ return splice_write(pipe, out, ppos, len, flags);
+ }
++EXPORT_SYMBOL_GPL(do_splice_from);
+
+ /*
+ * Attempt to initiate a splice from a file to a pipe.
+@@ -880,6 +881,7 @@ long do_splice_to(struct file *in, loff_t *ppos,
+
+ return splice_read(in, ppos, pipe, len, flags);
+ }
++EXPORT_SYMBOL_GPL(do_splice_to);
+
+ /**
+ * splice_direct_to_actor - splices data directly between two non-pipes
+diff --git a/fs/sync.c b/fs/sync.c
+index 28607828e96f..ffd7ea43831e 100644
+--- a/fs/sync.c
++++ b/fs/sync.c
+@@ -39,6 +39,7 @@ int __sync_filesystem(struct super_block *sb, int wait)
+ sb->s_op->sync_fs(sb, wait);
+ return __sync_blockdev(sb->s_bdev, wait);
+ }
++EXPORT_SYMBOL_GPL(__sync_filesystem);
+
+ /*
+ * Write out and wait upon all dirty data associated with this
+diff --git a/fs/xattr.c b/fs/xattr.c
+index 0d6a6a4af861..7ce4701b7289 100644
+--- a/fs/xattr.c
++++ b/fs/xattr.c
+@@ -295,6 +295,7 @@ vfs_getxattr_alloc(struct dentry *dentry, const char *name, char **xattr_value,
+ *xattr_value = value;
+ return error;
+ }
++EXPORT_SYMBOL_GPL(vfs_getxattr_alloc);
+
+ ssize_t
+ __vfs_getxattr(struct dentry *dentry, struct inode *inode, const char *name,
+diff --git a/kernel/locking/lockdep.c b/kernel/locking/lockdep.c
+index d0c9931e6531..0e5d9706723c 100644
+--- a/kernel/locking/lockdep.c
++++ b/kernel/locking/lockdep.c
+@@ -151,6 +151,7 @@ inline struct lock_class *lockdep_hlock_class(struct held_lock *hlock)
+ }
+ return lock_classes + hlock->class_idx - 1;
+ }
++EXPORT_SYMBOL_GPL(lockdep_hlock_class);
+ #define hlock_class(hlock) lockdep_hlock_class(hlock)
+
+ #ifdef CONFIG_LOCK_STAT
+diff --git a/kernel/task_work.c b/kernel/task_work.c
+index 0fef395662a6..83fb1ecfc33d 100644
+--- a/kernel/task_work.c
++++ b/kernel/task_work.c
+@@ -116,3 +116,4 @@ void task_work_run(void)
+ } while (work);
+ }
+ }
++EXPORT_SYMBOL_GPL(task_work_run);
+diff --git a/security/device_cgroup.c b/security/device_cgroup.c
+index dc28914fa72e..c2ddfea2b280 100644
+--- a/security/device_cgroup.c
++++ b/security/device_cgroup.c
+@@ -824,3 +824,4 @@ int __devcgroup_check_permission(short type, u32 major, u32 minor,
+
+ return 0;
+ }
++EXPORT_SYMBOL_GPL(__devcgroup_check_permission);
+diff --git a/security/security.c b/security/security.c
+index 5ce2448f3a45..3997af3462bc 100644
+--- a/security/security.c
++++ b/security/security.c
+@@ -542,6 +542,7 @@ int security_path_rmdir(const struct path *dir, struct dentry *dentry)
+ return 0;
+ return call_int_hook(path_rmdir, 0, dir, dentry);
+ }
++EXPORT_SYMBOL_GPL(security_path_rmdir);
+
+ int security_path_unlink(const struct path *dir, struct dentry *dentry)
+ {
+@@ -558,6 +559,7 @@ int security_path_symlink(const struct path *dir, struct dentry *dentry,
+ return 0;
+ return call_int_hook(path_symlink, 0, dir, dentry, old_name);
+ }
++EXPORT_SYMBOL_GPL(security_path_symlink);
+
+ int security_path_link(struct dentry *old_dentry, const struct path *new_dir,
+ struct dentry *new_dentry)
+@@ -566,6 +568,7 @@ int security_path_link(struct dentry *old_dentry, const struct path *new_dir,
+ return 0;
+ return call_int_hook(path_link, 0, old_dentry, new_dir, new_dentry);
+ }
++EXPORT_SYMBOL_GPL(security_path_link);
+
+ int security_path_rename(const struct path *old_dir, struct dentry *old_dentry,
+ const struct path *new_dir, struct dentry *new_dentry,
+@@ -593,6 +596,7 @@ int security_path_truncate(const struct path *path)
+ return 0;
+ return call_int_hook(path_truncate, 0, path);
+ }
++EXPORT_SYMBOL_GPL(security_path_truncate);
+
+ int security_path_chmod(const struct path *path, umode_t mode)
+ {
+@@ -600,6 +604,7 @@ int security_path_chmod(const struct path *path, umode_t mode)
+ return 0;
+ return call_int_hook(path_chmod, 0, path, mode);
+ }
++EXPORT_SYMBOL_GPL(security_path_chmod);
+
+ int security_path_chown(const struct path *path, kuid_t uid, kgid_t gid)
+ {
+@@ -607,6 +612,7 @@ int security_path_chown(const struct path *path, kuid_t uid, kgid_t gid)
+ return 0;
+ return call_int_hook(path_chown, 0, path, uid, gid);
+ }
++EXPORT_SYMBOL_GPL(security_path_chown);
+
+ int security_path_chroot(const struct path *path)
+ {
+@@ -707,6 +713,7 @@ int security_inode_permission(struct inode *inode, int mask)
+ return 0;
+ return call_int_hook(inode_permission, 0, inode, mask);
+ }
++EXPORT_SYMBOL_GPL(security_inode_permission);
+
+ int security_inode_setattr(struct dentry *dentry, struct iattr *attr)
+ {
+@@ -878,6 +885,7 @@ int security_file_permission(struct file *file, int mask)
+
+ return fsnotify_perm(file, mask);
+ }
++EXPORT_SYMBOL_GPL(security_file_permission);
+
+ int security_file_alloc(struct file *file)
+ {
+@@ -937,6 +945,7 @@ int security_mmap_file(struct file *file, unsigned long prot,
+ return ret;
+ return ima_file_mmap(file, prot);
+ }
++EXPORT_SYMBOL_GPL(security_mmap_file);
+
+ int security_mmap_addr(unsigned long addr)
+ {
generated by cgit v1.2.3 (git 2.39.1) at 2024-11-24 17:30:45 +0000