The KUnit UAPI infrastructure starts userspace processes. As it should be able to be built as a module, export the necessary symbols.
Signed-off-by: Thomas Weißschuh thomas.weissschuh@linutronix.de
--- To: Kees Cook kees@kernel.org To: Alexander Viro viro@zeniv.linux.org.uk To: Christian Brauner brauner@kernel.org To: Jan Kara jack@suse.cz Cc: linux-mm@kvack.org Cc: linux-fsdevel@vger.kernel.org
./get_maintainer.pl would have also Cc-ed all of the memory management and scheduler maintainers. I trimmed the list to only BINFMT/EXEC and VFS. --- fs/exec.c | 2 ++ fs/file.c | 1 + fs/filesystems.c | 2 ++ fs/fs_struct.c | 1 + fs/pipe.c | 2 ++ kernel/exit.c | 3 +++ kernel/fork.c | 2 ++ 7 files changed, 13 insertions(+)
diff --git a/fs/exec.c b/fs/exec.c index 1f5fdd2e096e392b342f122d35aba4cf035441c7..13f7f27641942eddcb179bdd93d99b799d155813 100644 --- a/fs/exec.c +++ b/fs/exec.c @@ -68,6 +68,7 @@ #include <linux/user_events.h> #include <linux/rseq.h> #include <linux/ksm.h> +#include <linux/export.h>
#include <linux/uaccess.h> #include <asm/mmu_context.h> @@ -1919,6 +1920,7 @@ int kernel_execve(const char *kernel_filename, putname(filename); return retval; } +EXPORT_SYMBOL_GPL_FOR_MODULES(kernel_execve, "kunit-uapi");
static int do_execve(struct filename *filename, const char __user *const __user *__argv, diff --git a/fs/file.c b/fs/file.c index 3a3146664cf37115624e12f7f06826d48827e9d7..89d07feb9c328337451ce40cb0f368b6cb986c2c 100644 --- a/fs/file.c +++ b/fs/file.c @@ -1317,6 +1317,7 @@ int replace_fd(unsigned fd, struct file *file, unsigned flags) spin_unlock(&files->file_lock); return err; } +EXPORT_SYMBOL_GPL_FOR_MODULES(replace_fd, "kunit-uapi");
/** * receive_fd() - Install received file into file descriptor table diff --git a/fs/filesystems.c b/fs/filesystems.c index 95e5256821a53494d88f496193305a2e50e04444..a3a588f387bbd8268246d1026389deaadf265d0b 100644 --- a/fs/filesystems.c +++ b/fs/filesystems.c @@ -17,6 +17,7 @@ #include <linux/slab.h> #include <linux/uaccess.h> #include <linux/fs_parser.h> +#include <linux/export.h>
/* * Handling of filesystem drivers list. @@ -45,6 +46,7 @@ void put_filesystem(struct file_system_type *fs) { module_put(fs->owner); } +EXPORT_SYMBOL_GPL_FOR_MODULES(put_filesystem, "kunit-uapi");
static struct file_system_type **find_filesystem(const char *name, unsigned len) { diff --git a/fs/fs_struct.c b/fs/fs_struct.c index 64c2d0814ed6889cc12603410e6e9dc44089586f..26340d225deba3f2ec30252293fdf417235a6a4a 100644 --- a/fs/fs_struct.c +++ b/fs/fs_struct.c @@ -46,6 +46,7 @@ void set_fs_pwd(struct fs_struct *fs, const struct path *path) if (old_pwd.dentry) path_put(&old_pwd); } +EXPORT_SYMBOL_GPL_FOR_MODULES(set_fs_pwd, "kunit-uapi");
static inline int replace_path(struct path *p, const struct path *old, const struct path *new) { diff --git a/fs/pipe.c b/fs/pipe.c index 45077c37bad154ef146b047834d35d489fcc4d8d..d6cb743d2cfc041f08b498a5a764e9a96dc34069 100644 --- a/fs/pipe.c +++ b/fs/pipe.c @@ -27,6 +27,7 @@ #include <linux/watch_queue.h> #include <linux/sysctl.h> #include <linux/sort.h> +#include <linux/export.h>
#include <linux/uaccess.h> #include <asm/ioctls.h> @@ -971,6 +972,7 @@ int create_pipe_files(struct file **res, int flags) file_set_fsnotify_mode(res[1], FMODE_NONOTIFY_PERM); return 0; } +EXPORT_SYMBOL_GPL_FOR_MODULES(create_pipe_files, "kunit-uapi");
static int __do_pipe_flags(int *fd, struct file **files, int flags) { diff --git a/kernel/exit.c b/kernel/exit.c index bd743900354ca5fc6c550f80e30393a632eb9a4e..610dffb1276ac60b475708587ca053f315fea9c3 100644 --- a/kernel/exit.c +++ b/kernel/exit.c @@ -70,6 +70,7 @@ #include <linux/user_events.h> #include <linux/uaccess.h> #include <linux/pidfs.h> +#include <linux/export.h>
#include <uapi/linux/wait.h>
@@ -1005,6 +1006,7 @@ void __noreturn do_exit(long code) lockdep_free_task(tsk); do_task_dead(); } +EXPORT_SYMBOL_GPL_FOR_MODULES(do_exit, "kunit-uapi");
void __noreturn make_task_dead(int signr) { @@ -1887,6 +1889,7 @@ int kernel_wait(pid_t pid, int *stat) put_pid(wo.wo_pid); return ret; } +EXPORT_SYMBOL_GPL_FOR_MODULES(kernel_wait, "kunit-uapi");
SYSCALL_DEFINE4(wait4, pid_t, upid, int __user *, stat_addr, int, options, struct rusage __user *, ru) diff --git a/kernel/fork.c b/kernel/fork.c index 1ee8eb11f38bae1d2eb6de9494aea94b7a19e6c3..5de7a9bc005ade6dcfbdfe1a63cadbef8782658c 100644 --- a/kernel/fork.c +++ b/kernel/fork.c @@ -105,6 +105,7 @@ #include <uapi/linux/pidfd.h> #include <linux/pidfs.h> #include <linux/tick.h> +#include <linux/export.h>
#include <asm/pgalloc.h> #include <linux/uaccess.h> @@ -2676,6 +2677,7 @@ pid_t user_mode_thread(int (*fn)(void *), void *arg, unsigned long flags)
return kernel_clone(&args); } +EXPORT_SYMBOL_GPL_FOR_MODULES(user_mode_thread, "kunit-uapi");
#ifdef __ARCH_WANT_SYS_FORK SYSCALL_DEFINE0(fork)