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void-packages/srcpkgs/criu/patches/glibc-2.36.patch

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From 4c86d6a7d54abb64fc5a15131f3351224e8c071b Mon Sep 17 00:00:00 2001
From: Radostin Stoyanov <rstoyanov@fedoraproject.org>
Date: Sun, 31 Jul 2022 16:07:30 +0000
Subject: [PATCH] criu: fix conflicting headers
There are several changes in glibc 2.36 that make sys/mount.h header
incompatible with kernel headers:
https://sourceware.org/glibc/wiki/Release/2.36#Usage_of_.3Clinux.2Fmount.h.3E_and_.3Csys.2Fmount.h.3E
This patch removes conflicting includes for `<linux/mount.h>` and
updates the content of `criu/include/linux/mount.h` to match
`/usr/include/sys/mount.h`. In addition, inline definitions sys_*()
functions have been moved from "linux/mount.h" to "syscall.h" to
avoid conflicts with `uapi/compel/plugins/std/syscall.h` and
`<unistd.h>`. The include for `<linux/aio_abi.h>` has been replaced
with local include to avoid conflicts with `<sys/mount.h>`.
Fixes: #1949
Signed-off-by: Radostin Stoyanov <rstoyanov@fedoraproject.org>
---
Makefile.config | 2 +-
criu/cgroup.c | 1 +
criu/cr-check.c | 2 +-
criu/cr-restore.c | 3 ++-
criu/include/aio.h | 2 +-
criu/include/linux/aio_abi.h | 14 +++++++++++
criu/include/linux/mount.h | 48 +++++++++++++++++++-----------------
criu/include/syscall.h | 17 +++++++++++++
criu/pie/parasite.c | 2 +-
criu/util.c | 1 +
scripts/feature-tests.mak | 13 ----------
11 files changed, 64 insertions(+), 41 deletions(-)
create mode 100644 criu/include/linux/aio_abi.h
create mode 100644 criu/include/syscall.h
Index: criu-3.17.1/Makefile.config
===================================================================
--- criu-3.17.1.orig/Makefile.config
+++ criu-3.17.1/Makefile.config
@@ -78,7 +78,7 @@ export DEFINES += $(FEATURE_DEFINES)
export CFLAGS += $(FEATURE_DEFINES)
FEATURES_LIST := TCP_REPAIR STRLCPY STRLCAT PTRACE_PEEKSIGINFO \
- SETPROCTITLE_INIT MEMFD TCP_REPAIR_WINDOW FSCONFIG MEMFD_CREATE OPENAT2
+ SETPROCTITLE_INIT MEMFD TCP_REPAIR_WINDOW MEMFD_CREATE OPENAT2
# $1 - config name
define gen-feature-test
Index: criu-3.17.1/criu/cgroup.c
===================================================================
--- criu-3.17.1.orig/criu/cgroup.c
+++ criu-3.17.1/criu/cgroup.c
@@ -27,6 +27,7 @@
#include "images/cgroup.pb-c.h"
#include "kerndat.h"
#include "linux/mount.h"
+#include "syscall.h"
/*
* This structure describes set of controller groups
Index: criu-3.17.1/criu/cr-check.c
===================================================================
--- criu-3.17.1.orig/criu/cr-check.c
+++ criu-3.17.1/criu/cr-check.c
@@ -21,7 +21,6 @@
#include <sys/prctl.h>
#include <sched.h>
#include <sys/mount.h>
-#include <linux/aio_abi.h>
#include "../soccr/soccr.h"
@@ -52,6 +51,7 @@
#include "net.h"
#include "restorer.h"
#include "uffd.h"
+#include "linux/aio_abi.h"
#include "images/inventory.pb-c.h"
Index: criu-3.17.1/criu/cr-restore.c
===================================================================
--- criu-3.17.1.orig/criu/cr-restore.c
+++ criu-3.17.1/criu/cr-restore.c
@@ -22,7 +22,6 @@
#include <compel/ptrace.h>
#include "common/compiler.h"
-#include "linux/mount.h"
#include "linux/rseq.h"
#include "clone-noasan.h"
@@ -86,6 +85,8 @@
#include <compel/plugins/std/syscall-codes.h>
#include "compel/include/asm/syscall.h"
+#include "linux/mount.h"
+
#include "protobuf.h"
#include "images/sa.pb-c.h"
#include "images/timer.pb-c.h"
Index: criu-3.17.1/criu/include/aio.h
===================================================================
--- criu-3.17.1.orig/criu/include/aio.h
+++ criu-3.17.1/criu/include/aio.h
@@ -1,7 +1,7 @@
#ifndef __CR_AIO_H__
#define __CR_AIO_H__
-#include <linux/aio_abi.h>
+#include "linux/aio_abi.h"
#include "images/mm.pb-c.h"
unsigned int aio_estimate_nr_reqs(unsigned int size);
int dump_aio_ring(MmEntry *mme, struct vma_area *vma);
Index: criu-3.17.1/criu/include/linux/aio_abi.h
===================================================================
--- /dev/null
+++ criu-3.17.1/criu/include/linux/aio_abi.h
@@ -0,0 +1,14 @@
+#ifndef __LINUX__AIO_ABI_H
+#define __LINUX__AIO_ABI_H
+
+typedef __kernel_ulong_t aio_context_t;
+
+/* read() from /dev/aio returns these structures. */
+struct io_event {
+ __u64 data; /* the data field from the iocb */
+ __u64 obj; /* what iocb this event came from */
+ __s64 res; /* result code for this event */
+ __s64 res2; /* secondary result */
+};
+
+#endif /* __LINUX__AIO_ABI_H */
Index: criu-3.17.1/criu/include/linux/mount.h
===================================================================
--- criu-3.17.1.orig/criu/include/linux/mount.h
+++ criu-3.17.1/criu/include/linux/mount.h
@@ -4,32 +4,34 @@
#include "common/config.h"
#include "compel/plugins/std/syscall-codes.h"
-#ifdef CONFIG_HAS_FSCONFIG
-#include <linux/mount.h>
-#else
+/* Copied from /usr/include/sys/mount.h */
+
+#ifndef FSCONFIG_CMD_CREATE
+/* The type of fsconfig call made. */
enum fsconfig_command {
- FSCONFIG_SET_FLAG = 0, /* Set parameter, supplying no value */
- FSCONFIG_SET_STRING = 1, /* Set parameter, supplying a string value */
- FSCONFIG_SET_BINARY = 2, /* Set parameter, supplying a binary blob value */
- FSCONFIG_SET_PATH = 3, /* Set parameter, supplying an object by path */
- FSCONFIG_SET_PATH_EMPTY = 4, /* Set parameter, supplying an object by (empty) path */
- FSCONFIG_SET_FD = 5, /* Set parameter, supplying an object by fd */
- FSCONFIG_CMD_CREATE = 6, /* Invoke superblock creation */
+ FSCONFIG_SET_FLAG = 0, /* Set parameter, supplying no value */
+#define FSCONFIG_SET_FLAG FSCONFIG_SET_FLAG
+ FSCONFIG_SET_STRING = 1, /* Set parameter, supplying a string value */
+#define FSCONFIG_SET_STRING FSCONFIG_SET_STRING
+ FSCONFIG_SET_BINARY = 2, /* Set parameter, supplying a binary blob value */
+#define FSCONFIG_SET_BINARY FSCONFIG_SET_BINARY
+ FSCONFIG_SET_PATH = 3, /* Set parameter, supplying an object by path */
+#define FSCONFIG_SET_PATH FSCONFIG_SET_PATH
+ FSCONFIG_SET_PATH_EMPTY = 4, /* Set parameter, supplying an object by (empty) path */
+#define FSCONFIG_SET_PATH_EMPTY FSCONFIG_SET_PATH_EMPTY
+ FSCONFIG_SET_FD = 5, /* Set parameter, supplying an object by fd */
+#define FSCONFIG_SET_FD FSCONFIG_SET_FD
+ FSCONFIG_CMD_CREATE = 6, /* Invoke superblock creation */
+#define FSCONFIG_CMD_CREATE FSCONFIG_CMD_CREATE
FSCONFIG_CMD_RECONFIGURE = 7, /* Invoke superblock reconfiguration */
+#define FSCONFIG_CMD_RECONFIGURE FSCONFIG_CMD_RECONFIGURE
};
-#endif
+#endif // FSCONFIG_CMD_CREATE
-static inline int sys_fsopen(const char *fsname, unsigned int flags)
-{
- return syscall(__NR_fsopen, fsname, flags);
-}
-static inline int sys_fsconfig(int fd, unsigned int cmd, const char *key, const char *value, int aux)
-{
- return syscall(__NR_fsconfig, fd, cmd, key, value, aux);
-}
-static inline int sys_fsmount(int fd, unsigned int flags, unsigned int attr_flags)
-{
- return syscall(__NR_fsmount, fd, flags, attr_flags);
-}
+#ifndef MS_MGC_VAL
+/* Magic mount flag number. Has to be or-ed to the flag values. */
+#define MS_MGC_VAL 0xc0ed0000 /* Magic flag number to indicate "new" flags */
+#define MS_MGC_MSK 0xffff0000 /* Magic flag number mask */
+#endif
#endif
Index: criu-3.17.1/criu/include/syscall.h
===================================================================
--- /dev/null
+++ criu-3.17.1/criu/include/syscall.h
@@ -0,0 +1,17 @@
+#ifndef __CR_SYSCALL_H__
+#define __CR_SYSCALL_H__
+
+static inline int sys_fsopen(const char *fsname, unsigned int flags)
+{
+ return syscall(__NR_fsopen, fsname, flags);
+}
+static inline int sys_fsconfig(int fd, unsigned int cmd, const char *key, const char *value, int aux)
+{
+ return syscall(__NR_fsconfig, fd, cmd, key, value, aux);
+}
+static inline int sys_fsmount(int fd, unsigned int flags, unsigned int attr_flags)
+{
+ return syscall(__NR_fsmount, fd, flags, attr_flags);
+}
+
+#endif /* __CR_SYSCALL_H__ */
\ No newline at end of file
Index: criu-3.17.1/criu/pie/parasite.c
===================================================================
--- criu-3.17.1.orig/criu/pie/parasite.c
+++ criu-3.17.1/criu/pie/parasite.c
@@ -3,7 +3,6 @@
#include <signal.h>
#include <linux/limits.h>
#include <linux/capability.h>
-#include <sys/mount.h>
#include <stdarg.h>
#include <sys/ioctl.h>
#include <sys/uio.h>
@@ -14,6 +13,7 @@
#include "int.h"
#include "types.h"
#include <compel/plugins/std/syscall.h>
+#include "linux/mount.h"
#include "parasite.h"
#include "fcntl.h"
#include "prctl.h"
Index: criu-3.17.1/criu/util.c
===================================================================
--- criu-3.17.1.orig/criu/util.c
+++ criu-3.17.1/criu/util.c
@@ -40,6 +40,7 @@
#include "mem.h"
#include "namespaces.h"
#include "criu-log.h"
+#include "syscall.h"
#include "clone-noasan.h"
#include "cr_options.h"
Index: criu-3.17.1/scripts/feature-tests.mak
===================================================================
--- criu-3.17.1.orig/scripts/feature-tests.mak
+++ criu-3.17.1/scripts/feature-tests.mak
@@ -137,19 +137,6 @@ ENTRY(main)
END(main)
endef
-define FEATURE_TEST_FSCONFIG
-
-#include <linux/mount.h>
-
-int main(void)
-{
- if (FSCONFIG_CMD_CREATE > 0)
- return 0;
- return 0;
-}
-
-endef
-
define FEATURE_TEST_NFTABLES_LIB_API_0
#include <string.h>
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