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Merge branch 'compat' of git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux into features

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Pull tip branch with Arnds compat system call wrapper rework.
This commit is contained in:
Martin Schwidefsky 2019-01-23 12:39:35 +01:00
commit 58661489a8
13 changed files with 349 additions and 573 deletions
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2
arch/s390/Kconfig
View file

@ -75,6 +75,7 @@ config S390
select ARCH_HAS_SET_MEMORY
select ARCH_HAS_STRICT_KERNEL_RWX
select ARCH_HAS_STRICT_MODULE_RWX
select ARCH_HAS_SYSCALL_WRAPPER
select ARCH_HAS_UBSAN_SANITIZE_ALL
select ARCH_HAVE_NMI_SAFE_CMPXCHG
select ARCH_INLINE_READ_LOCK
@ -379,6 +380,7 @@ config COMPAT
select COMPAT_BINFMT_ELF if BINFMT_ELF
select ARCH_WANT_OLD_COMPAT_IPC
select COMPAT_OLD_SIGACTION
select HAVE_UID16
depends on MULTIUSER
help
Select this option if you want to enable your system kernel to

25
arch/s390/include/asm/ftrace.h
View file

@ -81,5 +81,30 @@ static inline void ftrace_generate_call_insn(struct ftrace_insn *insn,
#endif
}
/*
* Even though the system call numbers are identical for s390/s390x a
* different system call table is used for compat tasks. This may lead
* to e.g. incorrect or missing trace event sysfs files.
* Therefore simply do not trace compat system calls at all.
* See kernel/trace/trace_syscalls.c.
*/
#define ARCH_TRACE_IGNORE_COMPAT_SYSCALLS
static inline bool arch_trace_is_compat_syscall(struct pt_regs *regs)
{
return is_compat_task();
}
#define ARCH_HAS_SYSCALL_MATCH_SYM_NAME
static inline bool arch_syscall_match_sym_name(const char *sym,
const char *name)
{
/*
* Skip __s390_ and __s390x_ prefix - due to compat wrappers
* and aliasing some symbols of 64 bit system call functions
* may get the __s390_ prefix instead of the __s390x_ prefix.
*/
return !strcmp(sym + 7, name) || !strcmp(sym + 8, name);
}
#endif /* __ASSEMBLY__ */
#endif /* _ASM_S390_FTRACE_H */

135
arch/s390/include/asm/syscall_wrapper.h Normal file
View file

@ -0,0 +1,135 @@
/* SPDX-License-Identifier: GPL-2.0 */
/*
* syscall_wrapper.h - s390 specific wrappers to syscall definitions
*
*/
#ifndef _ASM_S390_SYSCALL_WRAPPER_H
#define _ASM_S390_SYSCALL_WRAPPER_H
#ifdef CONFIG_COMPAT
#define __SC_COMPAT_TYPE(t, a) \
__typeof(__builtin_choose_expr(sizeof(t) > 4, 0L, (t)0)) a
#define __SC_COMPAT_CAST(t, a) \
({ \
long __ReS = a; \
\
BUILD_BUG_ON((sizeof(t) > 4) && !__TYPE_IS_L(t) && \
!__TYPE_IS_UL(t) && !__TYPE_IS_PTR(t) && \
!__TYPE_IS_LL(t)); \
if (__TYPE_IS_L(t)) \
__ReS = (s32)a; \
if (__TYPE_IS_UL(t)) \
__ReS = (u32)a; \
if (__TYPE_IS_PTR(t)) \
__ReS = a & 0x7fffffff; \
if (__TYPE_IS_LL(t)) \
return -ENOSYS; \
(t)__ReS; \
})
#define __S390_SYS_STUBx(x, name, ...) \
asmlinkage long __s390_sys##name(__MAP(x,__SC_LONG,__VA_ARGS__))\
ALLOW_ERROR_INJECTION(__s390_sys##name, ERRNO); \
asmlinkage long __s390_sys##name(__MAP(x,__SC_LONG,__VA_ARGS__))\
{ \
long ret = __s390x_sys##name(__MAP(x,__SC_COMPAT_CAST,__VA_ARGS__));\
__MAP(x,__SC_TEST,__VA_ARGS__); \
return ret; \
}
/*
* To keep the naming coherent, re-define SYSCALL_DEFINE0 to create an alias
* named __s390x_sys_*()
*/
#define COMPAT_SYSCALL_DEFINE0(sname) \
SYSCALL_METADATA(_##sname, 0); \
asmlinkage long __s390_compat_sys_##sname(void); \
ALLOW_ERROR_INJECTION(__s390_compat__sys_##sname, ERRNO); \
asmlinkage long __s390_compat_sys_##sname(void)
#define SYSCALL_DEFINE0(sname) \
SYSCALL_METADATA(_##sname, 0); \
asmlinkage long __s390x_sys_##sname(void); \
ALLOW_ERROR_INJECTION(__s390x_sys_##sname, ERRNO); \
asmlinkage long __s390_sys_##sname(void) \
__attribute__((alias(__stringify(__s390x_sys_##sname)))); \
asmlinkage long __s390x_sys_##sname(void)
#define COND_SYSCALL(name) \
cond_syscall(__s390x_sys_##name); \
cond_syscall(__s390_sys_##name)
#define SYS_NI(name) \
SYSCALL_ALIAS(__s390x_sys_##name, sys_ni_posix_timers); \
SYSCALL_ALIAS(__s390_sys_##name, sys_ni_posix_timers)
#define COMPAT_SYSCALL_DEFINEx(x, name, ...) \
__diag_push(); \
__diag_ignore(GCC, 8, "-Wattribute-alias", \
"Type aliasing is used to sanitize syscall arguments");\
asmlinkage long __s390_compat_sys##name(__MAP(x,__SC_DECL,__VA_ARGS__)); \
asmlinkage long __s390_compat_sys##name(__MAP(x,__SC_DECL,__VA_ARGS__)) \
__attribute__((alias(__stringify(__se_compat_sys##name)))); \
ALLOW_ERROR_INJECTION(compat_sys##name, ERRNO); \
static inline long __do_compat_sys##name(__MAP(x,__SC_DECL,__VA_ARGS__));\
asmlinkage long __se_compat_sys##name(__MAP(x,__SC_LONG,__VA_ARGS__)); \
asmlinkage long __se_compat_sys##name(__MAP(x,__SC_LONG,__VA_ARGS__)) \
{ \
long ret = __do_compat_sys##name(__MAP(x,__SC_DELOUSE,__VA_ARGS__));\
__MAP(x,__SC_TEST,__VA_ARGS__); \
return ret; \
} \
__diag_pop(); \
static inline long __do_compat_sys##name(__MAP(x,__SC_DECL,__VA_ARGS__))
/*
* As some compat syscalls may not be implemented, we need to expand
* COND_SYSCALL_COMPAT in kernel/sys_ni.c and COMPAT_SYS_NI in
* kernel/time/posix-stubs.c to cover this case as well.
*/
#define COND_SYSCALL_COMPAT(name) \
cond_syscall(__s390_compat_sys_##name)
#define COMPAT_SYS_NI(name) \
SYSCALL_ALIAS(__s390_compat_sys_##name, sys_ni_posix_timers)
#else /* CONFIG_COMPAT */
#define __S390_SYS_STUBx(x, fullname, name, ...)
#define SYSCALL_DEFINE0(sname) \
SYSCALL_METADATA(_##sname, 0); \
asmlinkage long __s390x_sys_##sname(void); \
ALLOW_ERROR_INJECTION(__s390x_sys_##sname, ERRNO); \
asmlinkage long __s390x_sys_##sname(void)
#define COND_SYSCALL(name) \
cond_syscall(__s390x_sys_##name)
#define SYS_NI(name) \
SYSCALL_ALIAS(__s390x_sys_##name, sys_ni_posix_timers);
#endif /* CONFIG_COMPAT */
#define __SYSCALL_DEFINEx(x, name, ...) \
__diag_push(); \
__diag_ignore(GCC, 8, "-Wattribute-alias", \
"Type aliasing is used to sanitize syscall arguments");\
asmlinkage long __s390x_sys##name(__MAP(x,__SC_DECL,__VA_ARGS__)) \
__attribute__((alias(__stringify(__se_sys##name)))); \
ALLOW_ERROR_INJECTION(__s390x_sys##name, ERRNO); \
static long __se_sys##name(__MAP(x,__SC_LONG,__VA_ARGS__)); \
static inline long __do_sys##name(__MAP(x,__SC_DECL,__VA_ARGS__)); \
__S390_SYS_STUBx(x, name, __VA_ARGS__) \
asmlinkage long __se_sys##name(__MAP(x,__SC_LONG,__VA_ARGS__)) \
{ \
long ret = __do_sys##name(__MAP(x,__SC_CAST,__VA_ARGS__)); \
__MAP(x,__SC_TEST,__VA_ARGS__); \
return ret; \
} \
__diag_pop(); \
static inline long __do_sys##name(__MAP(x,__SC_DECL,__VA_ARGS__))
#endif /* _ASM_X86_SYSCALL_WRAPPER_H */

6
arch/s390/include/uapi/asm/posix_types.h
View file

@ -20,6 +20,12 @@ typedef long __kernel_ssize_t;
typedef unsigned short __kernel_old_dev_t;
#define __kernel_old_dev_t __kernel_old_dev_t
#ifdef __KERNEL__
typedef unsigned short __kernel_old_uid_t;
typedef unsigned short __kernel_old_gid_t;
#define __kernel_old_uid_t __kernel_old_uid_t
#endif
#ifndef __s390x__
typedef unsigned long __kernel_ino_t;

2
arch/s390/kernel/Makefile
View file

@ -65,7 +65,7 @@ obj-$(CONFIG_HIBERNATION) += suspend.o swsusp.o
obj-$(CONFIG_AUDIT) += audit.o
compat-obj-$(CONFIG_AUDIT) += compat_audit.o
obj-$(CONFIG_COMPAT) += compat_linux.o compat_signal.o
obj-$(CONFIG_COMPAT) += compat_wrapper.o $(compat-obj-y)
obj-$(CONFIG_COMPAT) += $(compat-obj-y)
obj-$(CONFIG_EARLY_PRINTK) += early_printk.o
obj-$(CONFIG_STACKTRACE) += stacktrace.o
obj-$(CONFIG_KPROBES) += kprobes.o

235
arch/s390/kernel/compat_linux.c
View file

@ -34,7 +34,6 @@
#include <linux/stat.h>
#include <linux/filter.h>
#include <linux/highmem.h>
#include <linux/highuid.h>
#include <linux/mman.h>
#include <linux/ipv6.h>
#include <linux/in.h>
@ -58,245 +57,13 @@
#include "compat_linux.h"
/* For this source file, we want overflow handling. */
#undef high2lowuid
#undef high2lowgid
#undef low2highuid
#undef low2highgid
#undef SET_UID16
#undef SET_GID16
#undef NEW_TO_OLD_UID
#undef NEW_TO_OLD_GID
#undef SET_OLDSTAT_UID
#undef SET_OLDSTAT_GID
#undef SET_STAT_UID
#undef SET_STAT_GID
#define high2lowuid(uid) ((uid) > 65535) ? (u16)overflowuid : (u16)(uid)
#define high2lowgid(gid) ((gid) > 65535) ? (u16)overflowgid : (u16)(gid)
#define low2highuid(uid) ((uid) == (u16)-1) ? (uid_t)-1 : (uid_t)(uid)
#define low2highgid(gid) ((gid) == (u16)-1) ? (gid_t)-1 : (gid_t)(gid)
#define SET_UID16(var, uid) var = high2lowuid(uid)
#define SET_GID16(var, gid) var = high2lowgid(gid)
#define NEW_TO_OLD_UID(uid) high2lowuid(uid)
#define NEW_TO_OLD_GID(gid) high2lowgid(gid)
#define SET_OLDSTAT_UID(stat, uid) (stat).st_uid = high2lowuid(uid)
#define SET_OLDSTAT_GID(stat, gid) (stat).st_gid = high2lowgid(gid)
#define SET_STAT_UID(stat, uid) (stat).st_uid = high2lowuid(uid)
#define SET_STAT_GID(stat, gid) (stat).st_gid = high2lowgid(gid)
COMPAT_SYSCALL_DEFINE3(s390_chown16, const char __user *, filename,
u16, user, u16, group)
{
return ksys_chown(filename, low2highuid(user), low2highgid(group));
}
COMPAT_SYSCALL_DEFINE3(s390_lchown16, const char __user *,
filename, u16, user, u16, group)
{
return ksys_lchown(filename, low2highuid(user), low2highgid(group));
}
COMPAT_SYSCALL_DEFINE3(s390_fchown16, unsigned int, fd, u16, user, u16, group)
{
return ksys_fchown(fd, low2highuid(user), low2highgid(group));
}
COMPAT_SYSCALL_DEFINE2(s390_setregid16, u16, rgid, u16, egid)
{
return sys_setregid(low2highgid(rgid), low2highgid(egid));
}
COMPAT_SYSCALL_DEFINE1(s390_setgid16, u16, gid)
{
return sys_setgid(low2highgid(gid));
}
COMPAT_SYSCALL_DEFINE2(s390_setreuid16, u16, ruid, u16, euid)
{
return sys_setreuid(low2highuid(ruid), low2highuid(euid));
}
COMPAT_SYSCALL_DEFINE1(s390_setuid16, u16, uid)
{
return sys_setuid(low2highuid(uid));
}
COMPAT_SYSCALL_DEFINE3(s390_setresuid16, u16, ruid, u16, euid, u16, suid)
{
return sys_setresuid(low2highuid(ruid), low2highuid(euid),
low2highuid(suid));
}
COMPAT_SYSCALL_DEFINE3(s390_getresuid16, u16 __user *, ruidp,
u16 __user *, euidp, u16 __user *, suidp)
{
const struct cred *cred = current_cred();
int retval;
u16 ruid, euid, suid;
ruid = high2lowuid(from_kuid_munged(cred->user_ns, cred->uid));
euid = high2lowuid(from_kuid_munged(cred->user_ns, cred->euid));
suid = high2lowuid(from_kuid_munged(cred->user_ns, cred->suid));
if (!(retval = put_user(ruid, ruidp)) &&
!(retval = put_user(euid, euidp)))
retval = put_user(suid, suidp);
return retval;
}
COMPAT_SYSCALL_DEFINE3(s390_setresgid16, u16, rgid, u16, egid, u16, sgid)
{
return sys_setresgid(low2highgid(rgid), low2highgid(egid),
low2highgid(sgid));
}
COMPAT_SYSCALL_DEFINE3(s390_getresgid16, u16 __user *, rgidp,
u16 __user *, egidp, u16 __user *, sgidp)
{
const struct cred *cred = current_cred();
int retval;
u16 rgid, egid, sgid;
rgid = high2lowgid(from_kgid_munged(cred->user_ns, cred->gid));
egid = high2lowgid(from_kgid_munged(cred->user_ns, cred->egid));
sgid = high2lowgid(from_kgid_munged(cred->user_ns, cred->sgid));
if (!(retval = put_user(rgid, rgidp)) &&
!(retval = put_user(egid, egidp)))
retval = put_user(sgid, sgidp);
return retval;
}
COMPAT_SYSCALL_DEFINE1(s390_setfsuid16, u16, uid)
{
return sys_setfsuid(low2highuid(uid));
}
COMPAT_SYSCALL_DEFINE1(s390_setfsgid16, u16, gid)
{
return sys_setfsgid(low2highgid(gid));
}
static int groups16_to_user(u16 __user *grouplist, struct group_info *group_info)
{
struct user_namespace *user_ns = current_user_ns();
int i;
u16 group;
kgid_t kgid;
for (i = 0; i < group_info->ngroups; i++) {
kgid = group_info->gid[i];
group = (u16)from_kgid_munged(user_ns, kgid);
if (put_user(group, grouplist+i))
return -EFAULT;
}
return 0;
}
static int groups16_from_user(struct group_info *group_info, u16 __user *grouplist)
{
struct user_namespace *user_ns = current_user_ns();
int i;
u16 group;
kgid_t kgid;
for (i = 0; i < group_info->ngroups; i++) {
if (get_user(group, grouplist+i))
return -EFAULT;
kgid = make_kgid(user_ns, (gid_t)group);
if (!gid_valid(kgid))
return -EINVAL;
group_info->gid[i] = kgid;
}
return 0;
}
COMPAT_SYSCALL_DEFINE2(s390_getgroups16, int, gidsetsize, u16 __user *, grouplist)
{
const struct cred *cred = current_cred();
int i;
if (gidsetsize < 0)
return -EINVAL;
get_group_info(cred->group_info);
i = cred->group_info->ngroups;
if (gidsetsize) {
if (i > gidsetsize) {
i = -EINVAL;
goto out;
}
if (groups16_to_user(grouplist, cred->group_info)) {
i = -EFAULT;
goto out;
}
}
out:
put_group_info(cred->group_info);
return i;
}
COMPAT_SYSCALL_DEFINE2(s390_setgroups16, int, gidsetsize, u16 __user *, grouplist)
{
struct group_info *group_info;
int retval;
if (!may_setgroups())
return -EPERM;
if ((unsigned)gidsetsize > NGROUPS_MAX)
return -EINVAL;
group_info = groups_alloc(gidsetsize);
if (!group_info)
return -ENOMEM;
retval = groups16_from_user(group_info, grouplist);
if (retval) {
put_group_info(group_info);
return retval;
}
groups_sort(group_info);
retval = set_current_groups(group_info);
put_group_info(group_info);
return retval;
}
COMPAT_SYSCALL_DEFINE0(s390_getuid16)
{
return high2lowuid(from_kuid_munged(current_user_ns(), current_uid()));
}
COMPAT_SYSCALL_DEFINE0(s390_geteuid16)
{
return high2lowuid(from_kuid_munged(current_user_ns(), current_euid()));
}
COMPAT_SYSCALL_DEFINE0(s390_getgid16)
{
return high2lowgid(from_kgid_munged(current_user_ns(), current_gid()));
}
COMPAT_SYSCALL_DEFINE0(s390_getegid16)
{
return high2lowgid(from_kgid_munged(current_user_ns(), current_egid()));
}
#ifdef CONFIG_SYSVIPC
COMPAT_SYSCALL_DEFINE5(s390_ipc, uint, call, int, first, compat_ulong_t, second,
compat_ulong_t, third, compat_uptr_t, ptr)
{
if (call >> 16) /* hack for backward compatibility */
return -EINVAL;
return compat_sys_ipc(call, first, second, third, ptr, third);
return compat_ksys_ipc(call, first, second, third, ptr, third);
}
#endif

186
arch/s390/kernel/compat_wrapper.c
View file

@ -1,186 +0,0 @@
// SPDX-License-Identifier: GPL-2.0
/*
* Compat system call wrappers.
*
* Copyright IBM Corp. 2014
*/
#include <linux/syscalls.h>
#include <linux/compat.h>
#include "entry.h"
#define COMPAT_SYSCALL_WRAP1(name, ...) \
COMPAT_SYSCALL_WRAPx(1, _##name, __VA_ARGS__)
#define COMPAT_SYSCALL_WRAP2(name, ...) \
COMPAT_SYSCALL_WRAPx(2, _##name, __VA_ARGS__)
#define COMPAT_SYSCALL_WRAP3(name, ...) \
COMPAT_SYSCALL_WRAPx(3, _##name, __VA_ARGS__)
#define COMPAT_SYSCALL_WRAP4(name, ...) \
COMPAT_SYSCALL_WRAPx(4, _##name, __VA_ARGS__)
#define COMPAT_SYSCALL_WRAP5(name, ...) \
COMPAT_SYSCALL_WRAPx(5, _##name, __VA_ARGS__)
#define COMPAT_SYSCALL_WRAP6(name, ...) \
COMPAT_SYSCALL_WRAPx(6, _##name, __VA_ARGS__)
#define __SC_COMPAT_TYPE(t, a) \
__typeof(__builtin_choose_expr(sizeof(t) > 4, 0L, (t)0)) a
#define __SC_COMPAT_CAST(t, a) \
({ \
long __ReS = a; \
\
BUILD_BUG_ON((sizeof(t) > 4) && !__TYPE_IS_L(t) && \
!__TYPE_IS_UL(t) && !__TYPE_IS_PTR(t)); \
if (__TYPE_IS_L(t)) \
__ReS = (s32)a; \
if (__TYPE_IS_UL(t)) \
__ReS = (u32)a; \
if (__TYPE_IS_PTR(t)) \
__ReS = a & 0x7fffffff; \
(t)__ReS; \
})
/*
* The COMPAT_SYSCALL_WRAP macro generates system call wrappers to be used by
* compat tasks. These wrappers will only be used for system calls where only
* the system call arguments need sign or zero extension or zeroing of the upper
* 33 bits of pointers.
* Note: since the wrapper function will afterwards call a system call which
* again performs zero and sign extension for all system call arguments with
* a size of less than eight bytes, these compat wrappers only touch those
* system call arguments with a size of eight bytes ((unsigned) long and
* pointers). Zero and sign extension for e.g. int parameters will be done by
* the regular system call wrappers.
*/
#define COMPAT_SYSCALL_WRAPx(x, name, ...) \
asmlinkage long sys##name(__MAP(x,__SC_DECL,__VA_ARGS__)); \
asmlinkage long notrace compat_sys##name(__MAP(x,__SC_COMPAT_TYPE,__VA_ARGS__));\
asmlinkage long notrace compat_sys##name(__MAP(x,__SC_COMPAT_TYPE,__VA_ARGS__)) \
{ \
return sys##name(__MAP(x,__SC_COMPAT_CAST,__VA_ARGS__)); \
}
COMPAT_SYSCALL_WRAP2(creat, const char __user *, pathname, umode_t, mode);
COMPAT_SYSCALL_WRAP2(link, const char __user *, oldname, const char __user *, newname);
COMPAT_SYSCALL_WRAP1(unlink, const char __user *, pathname);
COMPAT_SYSCALL_WRAP1(chdir, const char __user *, filename);
COMPAT_SYSCALL_WRAP3(mknod, const char __user *, filename, umode_t, mode, unsigned, dev);
COMPAT_SYSCALL_WRAP2(chmod, const char __user *, filename, umode_t, mode);
COMPAT_SYSCALL_WRAP1(oldumount, char __user *, name);
COMPAT_SYSCALL_WRAP2(access, const char __user *, filename, int, mode);
COMPAT_SYSCALL_WRAP2(rename, const char __user *, oldname, const char __user *, newname);
COMPAT_SYSCALL_WRAP2(mkdir, const char __user *, pathname, umode_t, mode);
COMPAT_SYSCALL_WRAP1(rmdir, const char __user *, pathname);
COMPAT_SYSCALL_WRAP1(pipe, int __user *, fildes);
COMPAT_SYSCALL_WRAP1(brk, unsigned long, brk);
COMPAT_SYSCALL_WRAP2(signal, int, sig, __sighandler_t, handler);
COMPAT_SYSCALL_WRAP1(acct, const char __user *, name);
COMPAT_SYSCALL_WRAP2(umount, char __user *, name, int, flags);
COMPAT_SYSCALL_WRAP1(chroot, const char __user *, filename);
COMPAT_SYSCALL_WRAP3(sigsuspend, int, unused1, int, unused2, old_sigset_t, mask);
COMPAT_SYSCALL_WRAP2(sethostname, char __user *, name, int, len);
COMPAT_SYSCALL_WRAP2(symlink, const char __user *, old, const char __user *, new);
COMPAT_SYSCALL_WRAP3(readlink, const char __user *, path, char __user *, buf, int, bufsiz);
COMPAT_SYSCALL_WRAP1(uselib, const char __user *, library);
COMPAT_SYSCALL_WRAP2(swapon, const char __user *, specialfile, int, swap_flags);
COMPAT_SYSCALL_WRAP4(reboot, int, magic1, int, magic2, unsigned int, cmd, void __user *, arg);
COMPAT_SYSCALL_WRAP2(munmap, unsigned long, addr, size_t, len);
COMPAT_SYSCALL_WRAP3(syslog, int, type, char __user *, buf, int, len);
COMPAT_SYSCALL_WRAP1(swapoff, const char __user *, specialfile);
COMPAT_SYSCALL_WRAP2(setdomainname, char __user *, name, int, len);
COMPAT_SYSCALL_WRAP1(newuname, struct new_utsname __user *, name);
COMPAT_SYSCALL_WRAP3(mprotect, unsigned long, start, size_t, len, unsigned long, prot);
COMPAT_SYSCALL_WRAP3(init_module, void __user *, umod, unsigned long, len, const char __user *, uargs);
COMPAT_SYSCALL_WRAP2(delete_module, const char __user *, name_user, unsigned int, flags);
COMPAT_SYSCALL_WRAP4(quotactl, unsigned int, cmd, const char __user *, special, qid_t, id, void __user *, addr);
COMPAT_SYSCALL_WRAP2(bdflush, int, func, long, data);
COMPAT_SYSCALL_WRAP3(sysfs, int, option, unsigned long, arg1, unsigned long, arg2);
COMPAT_SYSCALL_WRAP5(llseek, unsigned int, fd, unsigned long, high, unsigned long, low, loff_t __user *, result, unsigned int, whence);
COMPAT_SYSCALL_WRAP3(msync, unsigned long, start, size_t, len, int, flags);
COMPAT_SYSCALL_WRAP2(mlock, unsigned long, start, size_t, len);
COMPAT_SYSCALL_WRAP2(munlock, unsigned long, start, size_t, len);
COMPAT_SYSCALL_WRAP2(sched_setparam, pid_t, pid, struct sched_param __user *, param);
COMPAT_SYSCALL_WRAP2(sched_getparam, pid_t, pid, struct sched_param __user *, param);
COMPAT_SYSCALL_WRAP3(sched_setscheduler, pid_t, pid, int, policy, struct sched_param __user *, param);
COMPAT_SYSCALL_WRAP5(mremap, unsigned long, addr, unsigned long, old_len, unsigned long, new_len, unsigned long, flags, unsigned long, new_addr);
COMPAT_SYSCALL_WRAP3(poll, struct pollfd __user *, ufds, unsigned int, nfds, int, timeout);
COMPAT_SYSCALL_WRAP5(prctl, int, option, unsigned long, arg2, unsigned long, arg3, unsigned long, arg4, unsigned long, arg5);
COMPAT_SYSCALL_WRAP2(getcwd, char __user *, buf, unsigned long, size);
COMPAT_SYSCALL_WRAP2(capget, cap_user_header_t, header, cap_user_data_t, dataptr);
COMPAT_SYSCALL_WRAP2(capset, cap_user_header_t, header, const cap_user_data_t, data);
COMPAT_SYSCALL_WRAP3(lchown, const char __user *, filename, uid_t, user, gid_t, group);
COMPAT_SYSCALL_WRAP2(getgroups, int, gidsetsize, gid_t __user *, grouplist);
COMPAT_SYSCALL_WRAP2(setgroups, int, gidsetsize, gid_t __user *, grouplist);
COMPAT_SYSCALL_WRAP3(getresuid, uid_t __user *, ruid, uid_t __user *, euid, uid_t __user *, suid);
COMPAT_SYSCALL_WRAP3(getresgid, gid_t __user *, rgid, gid_t __user *, egid, gid_t __user *, sgid);
COMPAT_SYSCALL_WRAP3(chown, const char __user *, filename, uid_t, user, gid_t, group);
COMPAT_SYSCALL_WRAP2(pivot_root, const char __user *, new_root, const char __user *, put_old);
COMPAT_SYSCALL_WRAP3(mincore, unsigned long, start, size_t, len, unsigned char __user *, vec);
COMPAT_SYSCALL_WRAP3(madvise, unsigned long, start, size_t, len, int, behavior);
COMPAT_SYSCALL_WRAP5(setxattr, const char __user *, path, const char __user *, name, const void __user *, value, size_t, size, int, flags);
COMPAT_SYSCALL_WRAP5(lsetxattr, const char __user *, path, const char __user *, name, const void __user *, value, size_t, size, int, flags);
COMPAT_SYSCALL_WRAP5(fsetxattr, int, fd, const char __user *, name, const void __user *, value, size_t, size, int, flags);
COMPAT_SYSCALL_WRAP3(getdents64, unsigned int, fd, struct linux_dirent64 __user *, dirent, unsigned int, count);
COMPAT_SYSCALL_WRAP4(getxattr, const char __user *, path, const char __user *, name, void __user *, value, size_t, size);
COMPAT_SYSCALL_WRAP4(lgetxattr, const char __user *, path, const char __user *, name, void __user *, value, size_t, size);
COMPAT_SYSCALL_WRAP4(fgetxattr, int, fd, const char __user *, name, void __user *, value, size_t, size);
COMPAT_SYSCALL_WRAP3(listxattr, const char __user *, path, char __user *, list, size_t, size);
COMPAT_SYSCALL_WRAP3(llistxattr, const char __user *, path, char __user *, list, size_t, size);
COMPAT_SYSCALL_WRAP3(flistxattr, int, fd, char __user *, list, size_t, size);
COMPAT_SYSCALL_WRAP2(removexattr, const char __user *, path, const char __user *, name);
COMPAT_SYSCALL_WRAP2(lremovexattr, const char __user *, path, const char __user *, name);
COMPAT_SYSCALL_WRAP2(fremovexattr, int, fd, const char __user *, name);
COMPAT_SYSCALL_WRAP1(set_tid_address, int __user *, tidptr);
COMPAT_SYSCALL_WRAP4(epoll_ctl, int, epfd, int, op, int, fd, struct epoll_event __user *, event);
COMPAT_SYSCALL_WRAP4(epoll_wait, int, epfd, struct epoll_event __user *, events, int, maxevents, int, timeout);
COMPAT_SYSCALL_WRAP1(io_destroy, aio_context_t, ctx);
COMPAT_SYSCALL_WRAP3(io_cancel, aio_context_t, ctx_id, struct iocb __user *, iocb, struct io_event __user *, result);
COMPAT_SYSCALL_WRAP1(mq_unlink, const char __user *, name);
COMPAT_SYSCALL_WRAP5(add_key, const char __user *, tp, const char __user *, dsc, const void __user *, pld, size_t, len, key_serial_t, id);
COMPAT_SYSCALL_WRAP4(request_key, const char __user *, tp, const char __user *, dsc, const char __user *, info, key_serial_t, id);
COMPAT_SYSCALL_WRAP5(remap_file_pages, unsigned long, start, unsigned long, size, unsigned long, prot, unsigned long, pgoff, unsigned long, flags);
COMPAT_SYSCALL_WRAP3(inotify_add_watch, int, fd, const char __user *, path, u32, mask);
COMPAT_SYSCALL_WRAP3(mkdirat, int, dfd, const char __user *, pathname, umode_t, mode);
COMPAT_SYSCALL_WRAP4(mknodat, int, dfd, const char __user *, filename, umode_t, mode, unsigned, dev);
COMPAT_SYSCALL_WRAP5(fchownat, int, dfd, const char __user *, filename, uid_t, user, gid_t, group, int, flag);
COMPAT_SYSCALL_WRAP3(unlinkat, int, dfd, const char __user *, pathname, int, flag);
COMPAT_SYSCALL_WRAP4(renameat, int, olddfd, const char __user *, oldname, int, newdfd, const char __user *, newname);
COMPAT_SYSCALL_WRAP5(linkat, int, olddfd, const char __user *, oldname, int, newdfd, const char __user *, newname, int, flags);
COMPAT_SYSCALL_WRAP3(symlinkat, const char __user *, oldname, int, newdfd, const char __user *, newname);
COMPAT_SYSCALL_WRAP4(readlinkat, int, dfd, const char __user *, path, char __user *, buf, int, bufsiz);
COMPAT_SYSCALL_WRAP3(fchmodat, int, dfd, const char __user *, filename, umode_t, mode);
COMPAT_SYSCALL_WRAP3(faccessat, int, dfd, const char __user *, filename, int, mode);
COMPAT_SYSCALL_WRAP1(unshare, unsigned long, unshare_flags);
COMPAT_SYSCALL_WRAP6(splice, int, fd_in, loff_t __user *, off_in, int, fd_out, loff_t __user *, off_out, size_t, len, unsigned int, flags);
COMPAT_SYSCALL_WRAP4(tee, int, fdin, int, fdout, size_t, len, unsigned int, flags);
COMPAT_SYSCALL_WRAP3(getcpu, unsigned __user *, cpu, unsigned __user *, node, struct getcpu_cache __user *, cache);
COMPAT_SYSCALL_WRAP2(pipe2, int __user *, fildes, int, flags);
COMPAT_SYSCALL_WRAP5(perf_event_open, struct perf_event_attr __user *, attr_uptr, pid_t, pid, int, cpu, int, group_fd, unsigned long, flags);
COMPAT_SYSCALL_WRAP5(clone, unsigned long, newsp, unsigned long, clone_flags, int __user *, parent_tidptr, int __user *, child_tidptr, unsigned long, tls);
COMPAT_SYSCALL_WRAP4(prlimit64, pid_t, pid, unsigned int, resource, const struct rlimit64 __user *, new_rlim, struct rlimit64 __user *, old_rlim);
COMPAT_SYSCALL_WRAP5(name_to_handle_at, int, dfd, const char __user *, name, struct file_handle __user *, handle, int __user *, mnt_id, int, flag);
COMPAT_SYSCALL_WRAP5(kcmp, pid_t, pid1, pid_t, pid2, int, type, unsigned long, idx1, unsigned long, idx2);
COMPAT_SYSCALL_WRAP3(finit_module, int, fd, const char __user *, uargs, int, flags);
COMPAT_SYSCALL_WRAP3(sched_setattr, pid_t, pid, struct sched_attr __user *, attr, unsigned int, flags);
COMPAT_SYSCALL_WRAP4(sched_getattr, pid_t, pid, struct sched_attr __user *, attr, unsigned int, size, unsigned int, flags);
COMPAT_SYSCALL_WRAP5(renameat2, int, olddfd, const char __user *, oldname, int, newdfd, const char __user *, newname, unsigned int, flags);
COMPAT_SYSCALL_WRAP3(seccomp, unsigned int, op, unsigned int, flags, void __user *, uargs)
COMPAT_SYSCALL_WRAP3(getrandom, char __user *, buf, size_t, count, unsigned int, flags)
COMPAT_SYSCALL_WRAP2(memfd_create, const char __user *, uname, unsigned int, flags)
COMPAT_SYSCALL_WRAP3(bpf, int, cmd, union bpf_attr *, attr, unsigned int, size);
COMPAT_SYSCALL_WRAP3(s390_pci_mmio_write, const unsigned long, mmio_addr, const void __user *, user_buffer, const size_t, length);
COMPAT_SYSCALL_WRAP3(s390_pci_mmio_read, const unsigned long, mmio_addr, void __user *, user_buffer, const size_t, length);
COMPAT_SYSCALL_WRAP4(socketpair, int, family, int, type, int, protocol, int __user *, usockvec);
COMPAT_SYSCALL_WRAP3(bind, int, fd, struct sockaddr __user *, umyaddr, int, addrlen);
COMPAT_SYSCALL_WRAP3(connect, int, fd, struct sockaddr __user *, uservaddr, int, addrlen);
COMPAT_SYSCALL_WRAP4(accept4, int, fd, struct sockaddr __user *, upeer_sockaddr, int __user *, upeer_addrlen, int, flags);
COMPAT_SYSCALL_WRAP3(getsockname, int, fd, struct sockaddr __user *, usockaddr, int __user *, usockaddr_len);
COMPAT_SYSCALL_WRAP3(getpeername, int, fd, struct sockaddr __user *, usockaddr, int __user *, usockaddr_len);
COMPAT_SYSCALL_WRAP6(sendto, int, fd, void __user *, buff, size_t, len, unsigned int, flags, struct sockaddr __user *, addr, int, addr_len);
COMPAT_SYSCALL_WRAP3(mlock2, unsigned long, start, size_t, len, int, flags);
COMPAT_SYSCALL_WRAP6(copy_file_range, int, fd_in, loff_t __user *, off_in, int, fd_out, loff_t __user *, off_out, size_t, len, unsigned int, flags);
COMPAT_SYSCALL_WRAP2(s390_guarded_storage, int, command, struct gs_cb *, gs_cb);
COMPAT_SYSCALL_WRAP5(statx, int, dfd, const char __user *, path, unsigned, flags, unsigned, mask, struct statx __user *, buffer);
COMPAT_SYSCALL_WRAP4(s390_sthyi, unsigned long, code, void __user *, info, u64 __user *, rc, unsigned long, flags);
COMPAT_SYSCALL_WRAP5(kexec_file_load, int, kernel_fd, int, initrd_fd, unsigned long, cmdline_len, const char __user *, cmdline_ptr, unsigned long, flags)
COMPAT_SYSCALL_WRAP4(rseq, struct rseq __user *, rseq, u32, rseq_len, int, flags, u32, sig)

4
arch/s390/kernel/entry.S
View file

@ -1512,7 +1512,7 @@ cleanup_critical:
.quad .Lsie_skip - .Lsie_entry
#endif
.section .rodata, "a"
#define SYSCALL(esame,emu) .long esame
#define SYSCALL(esame,emu) .long __s390x_ ## esame
.globl sys_call_table
sys_call_table:
#include "asm/syscall_table.h"
@ -1520,7 +1520,7 @@ sys_call_table:
#ifdef CONFIG_COMPAT
#define SYSCALL(esame,emu) .long emu
#define SYSCALL(esame,emu) .long __s390_ ## emu
.globl sys_call_table_emu
sys_call_table_emu:
#include "asm/syscall_table.h"

16
arch/s390/kernel/sys_s390.c
View file

@ -58,6 +58,7 @@ SYSCALL_DEFINE1(mmap2, struct s390_mmap_arg_struct __user *, arg)
return error;
}
#ifdef CONFIG_SYSVIPC
/*
* sys_ipc() is the de-multiplexer for the SysV IPC calls.
*/
@ -74,19 +75,28 @@ SYSCALL_DEFINE5(s390_ipc, uint, call, int, first, unsigned long, second,
* Therefore we can call the generic variant by simply passing the
* third parameter also as fifth parameter.
*/
return sys_ipc(call, first, second, third, ptr, third);
return ksys_ipc(call, first, second, third, ptr, third);
}
#endif /* CONFIG_SYSVIPC */
SYSCALL_DEFINE1(s390_personality, unsigned int, personality)
{
unsigned int ret;
unsigned int ret = current->personality;
if (personality(current->personality) == PER_LINUX32 &&
personality(personality) == PER_LINUX)
personality |= PER_LINUX32;
ret = sys_personality(personality);
if (personality != 0xffffffff)
set_personality(personality);
if (personality(ret) == PER_LINUX32)
ret &= ~PER_LINUX32;
return ret;
}
SYSCALL_DEFINE0(ni_syscall)
{
return -ENOSYS;
}

286
arch/s390/kernel/syscalls/syscall.tbl
View file

@ -15,86 +15,86 @@
5 common open sys_open compat_sys_open
6 common close sys_close sys_close
7 common restart_syscall sys_restart_syscall sys_restart_syscall
8 common creat sys_creat compat_sys_creat
9 common link sys_link compat_sys_link
10 common unlink sys_unlink compat_sys_unlink
8 common creat sys_creat sys_creat
9 common link sys_link sys_link
10 common unlink sys_unlink sys_unlink
11 common execve sys_execve compat_sys_execve
12 common chdir sys_chdir compat_sys_chdir
12 common chdir sys_chdir sys_chdir
13 32 time - compat_sys_time
14 common mknod sys_mknod compat_sys_mknod
15 common chmod sys_chmod compat_sys_chmod
16 32 lchown - compat_sys_s390_lchown16
14 common mknod sys_mknod sys_mknod
15 common chmod sys_chmod sys_chmod
16 32 lchown - sys_lchown16
19 common lseek sys_lseek compat_sys_lseek
20 common getpid sys_getpid sys_getpid
21 common mount sys_mount compat_sys_mount
22 common umount sys_oldumount compat_sys_oldumount
23 32 setuid - compat_sys_s390_setuid16
24 32 getuid - compat_sys_s390_getuid16
22 common umount sys_oldumount sys_oldumount
23 32 setuid - sys_setuid16
24 32 getuid - sys_getuid16
25 32 stime - compat_sys_stime
26 common ptrace sys_ptrace compat_sys_ptrace
27 common alarm sys_alarm sys_alarm
29 common pause sys_pause sys_pause
30 common utime sys_utime compat_sys_utime
33 common access sys_access compat_sys_access
33 common access sys_access sys_access
34 common nice sys_nice sys_nice
36 common sync sys_sync sys_sync
37 common kill sys_kill sys_kill
38 common rename sys_rename compat_sys_rename
39 common mkdir sys_mkdir compat_sys_mkdir
40 common rmdir sys_rmdir compat_sys_rmdir
38 common rename sys_rename sys_rename
39 common mkdir sys_mkdir sys_mkdir
40 common rmdir sys_rmdir sys_rmdir
41 common dup sys_dup sys_dup
42 common pipe sys_pipe compat_sys_pipe
42 common pipe sys_pipe sys_pipe
43 common times sys_times compat_sys_times
45 common brk sys_brk compat_sys_brk
46 32 setgid - compat_sys_s390_setgid16
47 32 getgid - compat_sys_s390_getgid16
48 common signal sys_signal compat_sys_signal
49 32 geteuid - compat_sys_s390_geteuid16
50 32 getegid - compat_sys_s390_getegid16
51 common acct sys_acct compat_sys_acct
52 common umount2 sys_umount compat_sys_umount
45 common brk sys_brk sys_brk
46 32 setgid - sys_setgid16
47 32 getgid - sys_getgid16
48 common signal sys_signal sys_signal
49 32 geteuid - sys_geteuid16
50 32 getegid - sys_getegid16
51 common acct sys_acct sys_acct
52 common umount2 sys_umount sys_umount
54 common ioctl sys_ioctl compat_sys_ioctl
55 common fcntl sys_fcntl compat_sys_fcntl
57 common setpgid sys_setpgid sys_setpgid
60 common umask sys_umask sys_umask
61 common chroot sys_chroot compat_sys_chroot
61 common chroot sys_chroot sys_chroot
62 common ustat sys_ustat compat_sys_ustat
63 common dup2 sys_dup2 sys_dup2
64 common getppid sys_getppid sys_getppid
65 common getpgrp sys_getpgrp sys_getpgrp
66 common setsid sys_setsid sys_setsid
67 common sigaction sys_sigaction compat_sys_sigaction
70 32 setreuid - compat_sys_s390_setreuid16
71 32 setregid - compat_sys_s390_setregid16
72 common sigsuspend sys_sigsuspend compat_sys_sigsuspend
70 32 setreuid - sys_setreuid16
71 32 setregid - sys_setregid16
72 common sigsuspend sys_sigsuspend sys_sigsuspend
73 common sigpending sys_sigpending compat_sys_sigpending
74 common sethostname sys_sethostname compat_sys_sethostname
74 common sethostname sys_sethostname sys_sethostname
75 common setrlimit sys_setrlimit compat_sys_setrlimit
76 32 getrlimit - compat_sys_old_getrlimit
77 common getrusage sys_getrusage compat_sys_getrusage
78 common gettimeofday sys_gettimeofday compat_sys_gettimeofday
79 common settimeofday sys_settimeofday compat_sys_settimeofday
80 32 getgroups - compat_sys_s390_getgroups16
81 32 setgroups - compat_sys_s390_setgroups16
83 common symlink sys_symlink compat_sys_symlink
85 common readlink sys_readlink compat_sys_readlink
86 common uselib sys_uselib compat_sys_uselib
87 common swapon sys_swapon compat_sys_swapon
88 common reboot sys_reboot compat_sys_reboot
80 32 getgroups - sys_getgroups16
81 32 setgroups - sys_setgroups16
83 common symlink sys_symlink sys_symlink
85 common readlink sys_readlink sys_readlink
86 common uselib sys_uselib sys_uselib
87 common swapon sys_swapon sys_swapon
88 common reboot sys_reboot sys_reboot
89 common readdir - compat_sys_old_readdir
90 common mmap sys_old_mmap compat_sys_s390_old_mmap
91 common munmap sys_munmap compat_sys_munmap
91 common munmap sys_munmap sys_munmap
92 common truncate sys_truncate compat_sys_truncate
93 common ftruncate sys_ftruncate compat_sys_ftruncate
94 common fchmod sys_fchmod sys_fchmod
95 32 fchown - compat_sys_s390_fchown16
95 32 fchown - sys_fchown16
96 common getpriority sys_getpriority sys_getpriority
97 common setpriority sys_setpriority sys_setpriority
99 common statfs sys_statfs compat_sys_statfs
100 common fstatfs sys_fstatfs compat_sys_fstatfs
101 32 ioperm - -
102 common socketcall sys_socketcall compat_sys_socketcall
103 common syslog sys_syslog compat_sys_syslog
103 common syslog sys_syslog sys_syslog
104 common setitimer sys_setitimer compat_sys_setitimer
105 common getitimer sys_getitimer compat_sys_getitimer
106 common stat sys_newstat compat_sys_newstat
@ -104,63 +104,63 @@
111 common vhangup sys_vhangup sys_vhangup
112 common idle - -
114 common wait4 sys_wait4 compat_sys_wait4
115 common swapoff sys_swapoff compat_sys_swapoff
115 common swapoff sys_swapoff sys_swapoff
116 common sysinfo sys_sysinfo compat_sys_sysinfo
117 common ipc sys_s390_ipc compat_sys_s390_ipc
118 common fsync sys_fsync sys_fsync
119 common sigreturn sys_sigreturn compat_sys_sigreturn
120 common clone sys_clone compat_sys_clone
121 common setdomainname sys_setdomainname compat_sys_setdomainname
122 common uname sys_newuname compat_sys_newuname
120 common clone sys_clone sys_clone
121 common setdomainname sys_setdomainname sys_setdomainname
122 common uname sys_newuname sys_newuname
124 common adjtimex sys_adjtimex compat_sys_adjtimex
125 common mprotect sys_mprotect compat_sys_mprotect
125 common mprotect sys_mprotect sys_mprotect
126 common sigprocmask sys_sigprocmask compat_sys_sigprocmask
127 common create_module - -
128 common init_module sys_init_module compat_sys_init_module
129 common delete_module sys_delete_module compat_sys_delete_module
128 common init_module sys_init_module sys_init_module
129 common delete_module sys_delete_module sys_delete_module
130 common get_kernel_syms - -
131 common quotactl sys_quotactl compat_sys_quotactl
131 common quotactl sys_quotactl sys_quotactl
132 common getpgid sys_getpgid sys_getpgid
133 common fchdir sys_fchdir sys_fchdir
134 common bdflush sys_bdflush compat_sys_bdflush
135 common sysfs sys_sysfs compat_sys_sysfs
134 common bdflush sys_bdflush sys_bdflush
135 common sysfs sys_sysfs sys_sysfs
136 common personality sys_s390_personality sys_s390_personality
137 common afs_syscall - -
138 32 setfsuid - compat_sys_s390_setfsuid16
139 32 setfsgid - compat_sys_s390_setfsgid16
140 32 _llseek - compat_sys_llseek
138 32 setfsuid - sys_setfsuid16
139 32 setfsgid - sys_setfsgid16
140 32 _llseek - sys_llseek
141 common getdents sys_getdents compat_sys_getdents
142 32 _newselect - compat_sys_select
142 64 select sys_select -
143 common flock sys_flock sys_flock
144 common msync sys_msync compat_sys_msync
144 common msync sys_msync sys_msync
145 common readv sys_readv compat_sys_readv
146 common writev sys_writev compat_sys_writev
147 common getsid sys_getsid sys_getsid
148 common fdatasync sys_fdatasync sys_fdatasync
149 common _sysctl sys_sysctl compat_sys_sysctl
150 common mlock sys_mlock compat_sys_mlock
151 common munlock sys_munlock compat_sys_munlock
150 common mlock sys_mlock sys_mlock
151 common munlock sys_munlock sys_munlock
152 common mlockall sys_mlockall sys_mlockall
153 common munlockall sys_munlockall sys_munlockall
154 common sched_setparam sys_sched_setparam compat_sys_sched_setparam
155 common sched_getparam sys_sched_getparam compat_sys_sched_getparam
156 common sched_setscheduler sys_sched_setscheduler compat_sys_sched_setscheduler
154 common sched_setparam sys_sched_setparam sys_sched_setparam
155 common sched_getparam sys_sched_getparam sys_sched_getparam
156 common sched_setscheduler sys_sched_setscheduler sys_sched_setscheduler
157 common sched_getscheduler sys_sched_getscheduler sys_sched_getscheduler
158 common sched_yield sys_sched_yield sys_sched_yield
159 common sched_get_priority_max sys_sched_get_priority_max sys_sched_get_priority_max
160 common sched_get_priority_min sys_sched_get_priority_min sys_sched_get_priority_min
161 common sched_rr_get_interval sys_sched_rr_get_interval compat_sys_sched_rr_get_interval
162 common nanosleep sys_nanosleep compat_sys_nanosleep
163 common mremap sys_mremap compat_sys_mremap
164 32 setresuid - compat_sys_s390_setresuid16
165 32 getresuid - compat_sys_s390_getresuid16
163 common mremap sys_mremap sys_mremap
164 32 setresuid - sys_setresuid16
165 32 getresuid - sys_getresuid16
167 common query_module - -
168 common poll sys_poll compat_sys_poll
168 common poll sys_poll sys_poll
169 common nfsservctl - -
170 32 setresgid - compat_sys_s390_setresgid16
171 32 getresgid - compat_sys_s390_getresgid16
172 common prctl sys_prctl compat_sys_prctl
170 32 setresgid - sys_setresgid16
171 32 getresgid - sys_getresgid16
172 common prctl sys_prctl sys_prctl
173 common rt_sigreturn sys_rt_sigreturn compat_sys_rt_sigreturn
174 common rt_sigaction sys_rt_sigaction compat_sys_rt_sigaction
175 common rt_sigprocmask sys_rt_sigprocmask compat_sys_rt_sigprocmask
@ -170,10 +170,10 @@
179 common rt_sigsuspend sys_rt_sigsuspend compat_sys_rt_sigsuspend
180 common pread64 sys_pread64 compat_sys_s390_pread64
181 common pwrite64 sys_pwrite64 compat_sys_s390_pwrite64
182 32 chown - compat_sys_s390_chown16
183 common getcwd sys_getcwd compat_sys_getcwd
184 common capget sys_capget compat_sys_capget
185 common capset sys_capset compat_sys_capset
182 32 chown - sys_chown16
183 common getcwd sys_getcwd sys_getcwd
184 common capget sys_capget sys_capget
185 common capset sys_capset sys_capset
186 common sigaltstack sys_sigaltstack compat_sys_sigaltstack
187 common sendfile sys_sendfile64 compat_sys_sendfile
188 common getpmsg - -
@ -187,7 +187,7 @@
195 32 stat64 - compat_sys_s390_stat64
196 32 lstat64 - compat_sys_s390_lstat64
197 32 fstat64 - compat_sys_s390_fstat64
198 32 lchown32 - compat_sys_lchown
198 32 lchown32 - sys_lchown
198 64 lchown sys_lchown -
199 32 getuid32 - sys_getuid
199 64 getuid sys_getuid -
@ -201,21 +201,21 @@
203 64 setreuid sys_setreuid -
204 32 setregid32 - sys_setregid
204 64 setregid sys_setregid -
205 32 getgroups32 - compat_sys_getgroups
205 32 getgroups32 - sys_getgroups
205 64 getgroups sys_getgroups -
206 32 setgroups32 - compat_sys_setgroups
206 32 setgroups32 - sys_setgroups
206 64 setgroups sys_setgroups -
207 32 fchown32 - sys_fchown
207 64 fchown sys_fchown -
208 32 setresuid32 - sys_setresuid
208 64 setresuid sys_setresuid -
209 32 getresuid32 - compat_sys_getresuid
209 32 getresuid32 - sys_getresuid
209 64 getresuid sys_getresuid -
210 32 setresgid32 - sys_setresgid
210 64 setresgid sys_setresgid -
211 32 getresgid32 - compat_sys_getresgid
211 32 getresgid32 - sys_getresgid
211 64 getresgid sys_getresgid -
212 32 chown32 - compat_sys_chown
212 32 chown32 - sys_chown
212 64 chown sys_chown -
213 32 setuid32 - sys_setuid
213 64 setuid sys_setuid -
@ -225,25 +225,25 @@
215 64 setfsuid sys_setfsuid -
216 32 setfsgid32 - sys_setfsgid
216 64 setfsgid sys_setfsgid -
217 common pivot_root sys_pivot_root compat_sys_pivot_root
218 common mincore sys_mincore compat_sys_mincore
219 common madvise sys_madvise compat_sys_madvise
220 common getdents64 sys_getdents64 compat_sys_getdents64
217 common pivot_root sys_pivot_root sys_pivot_root
218 common mincore sys_mincore sys_mincore
219 common madvise sys_madvise sys_madvise
220 common getdents64 sys_getdents64 sys_getdents64
221 32 fcntl64 - compat_sys_fcntl64
222 common readahead sys_readahead compat_sys_s390_readahead
223 32 sendfile64 - compat_sys_sendfile64
224 common setxattr sys_setxattr compat_sys_setxattr
225 common lsetxattr sys_lsetxattr compat_sys_lsetxattr
226 common fsetxattr sys_fsetxattr compat_sys_fsetxattr
227 common getxattr sys_getxattr compat_sys_getxattr
228 common lgetxattr sys_lgetxattr compat_sys_lgetxattr
229 common fgetxattr sys_fgetxattr compat_sys_fgetxattr
230 common listxattr sys_listxattr compat_sys_listxattr
231 common llistxattr sys_llistxattr compat_sys_llistxattr
232 common flistxattr sys_flistxattr compat_sys_flistxattr
233 common removexattr sys_removexattr compat_sys_removexattr
234 common lremovexattr sys_lremovexattr compat_sys_lremovexattr
235 common fremovexattr sys_fremovexattr compat_sys_fremovexattr
224 common setxattr sys_setxattr sys_setxattr
225 common lsetxattr sys_lsetxattr sys_lsetxattr
226 common fsetxattr sys_fsetxattr sys_fsetxattr
227 common getxattr sys_getxattr sys_getxattr
228 common lgetxattr sys_lgetxattr sys_lgetxattr
229 common fgetxattr sys_fgetxattr sys_fgetxattr
230 common listxattr sys_listxattr sys_listxattr
231 common llistxattr sys_llistxattr sys_llistxattr
232 common flistxattr sys_flistxattr sys_flistxattr
233 common removexattr sys_removexattr sys_removexattr
234 common lremovexattr sys_lremovexattr sys_lremovexattr
235 common fremovexattr sys_fremovexattr sys_fremovexattr
236 common gettid sys_gettid sys_gettid
237 common tkill sys_tkill sys_tkill
238 common futex sys_futex compat_sys_futex
@ -251,15 +251,15 @@
240 common sched_getaffinity sys_sched_getaffinity compat_sys_sched_getaffinity
241 common tgkill sys_tgkill sys_tgkill
243 common io_setup sys_io_setup compat_sys_io_setup
244 common io_destroy sys_io_destroy compat_sys_io_destroy
244 common io_destroy sys_io_destroy sys_io_destroy
245 common io_getevents sys_io_getevents compat_sys_io_getevents
246 common io_submit sys_io_submit compat_sys_io_submit
247 common io_cancel sys_io_cancel compat_sys_io_cancel
247 common io_cancel sys_io_cancel sys_io_cancel
248 common exit_group sys_exit_group sys_exit_group
249 common epoll_create sys_epoll_create sys_epoll_create
250 common epoll_ctl sys_epoll_ctl compat_sys_epoll_ctl
251 common epoll_wait sys_epoll_wait compat_sys_epoll_wait
252 common set_tid_address sys_set_tid_address compat_sys_set_tid_address
250 common epoll_ctl sys_epoll_ctl sys_epoll_ctl
251 common epoll_wait sys_epoll_wait sys_epoll_wait
252 common set_tid_address sys_set_tid_address sys_set_tid_address
253 common fadvise64 sys_fadvise64_64 compat_sys_s390_fadvise64
254 common timer_create sys_timer_create compat_sys_timer_create
255 common timer_settime sys_timer_settime compat_sys_timer_settime
@ -273,52 +273,52 @@
264 32 fadvise64_64 - compat_sys_s390_fadvise64_64
265 common statfs64 sys_statfs64 compat_sys_statfs64
266 common fstatfs64 sys_fstatfs64 compat_sys_fstatfs64
267 common remap_file_pages sys_remap_file_pages compat_sys_remap_file_pages
267 common remap_file_pages sys_remap_file_pages sys_remap_file_pages
268 common mbind sys_mbind compat_sys_mbind
269 common get_mempolicy sys_get_mempolicy compat_sys_get_mempolicy
270 common set_mempolicy sys_set_mempolicy compat_sys_set_mempolicy
271 common mq_open sys_mq_open compat_sys_mq_open
272 common mq_unlink sys_mq_unlink compat_sys_mq_unlink
272 common mq_unlink sys_mq_unlink sys_mq_unlink
273 common mq_timedsend sys_mq_timedsend compat_sys_mq_timedsend
274 common mq_timedreceive sys_mq_timedreceive compat_sys_mq_timedreceive
275 common mq_notify sys_mq_notify compat_sys_mq_notify
276 common mq_getsetattr sys_mq_getsetattr compat_sys_mq_getsetattr
277 common kexec_load sys_kexec_load compat_sys_kexec_load
278 common add_key sys_add_key compat_sys_add_key
279 common request_key sys_request_key compat_sys_request_key
278 common add_key sys_add_key sys_add_key
279 common request_key sys_request_key sys_request_key
280 common keyctl sys_keyctl compat_sys_keyctl
281 common waitid sys_waitid compat_sys_waitid
282 common ioprio_set sys_ioprio_set sys_ioprio_set
283 common ioprio_get sys_ioprio_get sys_ioprio_get
284 common inotify_init sys_inotify_init sys_inotify_init
285 common inotify_add_watch sys_inotify_add_watch compat_sys_inotify_add_watch
285 common inotify_add_watch sys_inotify_add_watch sys_inotify_add_watch
286 common inotify_rm_watch sys_inotify_rm_watch sys_inotify_rm_watch
287 common migrate_pages sys_migrate_pages compat_sys_migrate_pages
288 common openat sys_openat compat_sys_openat
289 common mkdirat sys_mkdirat compat_sys_mkdirat
290 common mknodat sys_mknodat compat_sys_mknodat
291 common fchownat sys_fchownat compat_sys_fchownat
289 common mkdirat sys_mkdirat sys_mkdirat
290 common mknodat sys_mknodat sys_mknodat
291 common fchownat sys_fchownat sys_fchownat
292 common futimesat sys_futimesat compat_sys_futimesat
293 32 fstatat64 - compat_sys_s390_fstatat64
293 64 newfstatat sys_newfstatat -
294 common unlinkat sys_unlinkat compat_sys_unlinkat
295 common renameat sys_renameat compat_sys_renameat
296 common linkat sys_linkat compat_sys_linkat
297 common symlinkat sys_symlinkat compat_sys_symlinkat
298 common readlinkat sys_readlinkat compat_sys_readlinkat
299 common fchmodat sys_fchmodat compat_sys_fchmodat
300 common faccessat sys_faccessat compat_sys_faccessat
294 common unlinkat sys_unlinkat sys_unlinkat
295 common renameat sys_renameat sys_renameat
296 common linkat sys_linkat sys_linkat
297 common symlinkat sys_symlinkat sys_symlinkat
298 common readlinkat sys_readlinkat sys_readlinkat
299 common fchmodat sys_fchmodat sys_fchmodat
300 common faccessat sys_faccessat sys_faccessat
301 common pselect6 sys_pselect6 compat_sys_pselect6
302 common ppoll sys_ppoll compat_sys_ppoll
303 common unshare sys_unshare compat_sys_unshare
303 common unshare sys_unshare sys_unshare
304 common set_robust_list sys_set_robust_list compat_sys_set_robust_list
305 common get_robust_list sys_get_robust_list compat_sys_get_robust_list
306 common splice sys_splice compat_sys_splice
306 common splice sys_splice sys_splice
307 common sync_file_range sys_sync_file_range compat_sys_s390_sync_file_range
308 common tee sys_tee compat_sys_tee
308 common tee sys_tee sys_tee
309 common vmsplice sys_vmsplice compat_sys_vmsplice
310 common move_pages sys_move_pages compat_sys_move_pages
311 common getcpu sys_getcpu compat_sys_getcpu
311 common getcpu sys_getcpu sys_getcpu
312 common epoll_pwait sys_epoll_pwait compat_sys_epoll_pwait
313 common utimes sys_utimes compat_sys_utimes
314 common fallocate sys_fallocate compat_sys_s390_fallocate
@ -332,17 +332,17 @@
322 common signalfd4 sys_signalfd4 compat_sys_signalfd4
323 common eventfd2 sys_eventfd2 sys_eventfd2
324 common inotify_init1 sys_inotify_init1 sys_inotify_init1
325 common pipe2 sys_pipe2 compat_sys_pipe2
325 common pipe2 sys_pipe2 sys_pipe2
326 common dup3 sys_dup3 sys_dup3
327 common epoll_create1 sys_epoll_create1 sys_epoll_create1
328 common preadv sys_preadv compat_sys_preadv
329 common pwritev sys_pwritev compat_sys_pwritev
330 common rt_tgsigqueueinfo sys_rt_tgsigqueueinfo compat_sys_rt_tgsigqueueinfo
331 common perf_event_open sys_perf_event_open compat_sys_perf_event_open
331 common perf_event_open sys_perf_event_open sys_perf_event_open
332 common fanotify_init sys_fanotify_init sys_fanotify_init
333 common fanotify_mark sys_fanotify_mark compat_sys_fanotify_mark
334 common prlimit64 sys_prlimit64 compat_sys_prlimit64
335 common name_to_handle_at sys_name_to_handle_at compat_sys_name_to_handle_at
334 common prlimit64 sys_prlimit64 sys_prlimit64
335 common name_to_handle_at sys_name_to_handle_at sys_name_to_handle_at
336 common open_by_handle_at sys_open_by_handle_at compat_sys_open_by_handle_at
337 common clock_adjtime sys_clock_adjtime compat_sys_clock_adjtime
338 common syncfs sys_syncfs sys_syncfs
@ -350,44 +350,44 @@
340 common process_vm_readv sys_process_vm_readv compat_sys_process_vm_readv
341 common process_vm_writev sys_process_vm_writev compat_sys_process_vm_writev
342 common s390_runtime_instr sys_s390_runtime_instr sys_s390_runtime_instr
343 common kcmp sys_kcmp compat_sys_kcmp
344 common finit_module sys_finit_module compat_sys_finit_module
345 common sched_setattr sys_sched_setattr compat_sys_sched_setattr
346 common sched_getattr sys_sched_getattr compat_sys_sched_getattr
347 common renameat2 sys_renameat2 compat_sys_renameat2
348 common seccomp sys_seccomp compat_sys_seccomp
349 common getrandom sys_getrandom compat_sys_getrandom
350 common memfd_create sys_memfd_create compat_sys_memfd_create
351 common bpf sys_bpf compat_sys_bpf
352 common s390_pci_mmio_write sys_s390_pci_mmio_write compat_sys_s390_pci_mmio_write
353 common s390_pci_mmio_read sys_s390_pci_mmio_read compat_sys_s390_pci_mmio_read
343 common kcmp sys_kcmp sys_kcmp
344 common finit_module sys_finit_module sys_finit_module
345 common sched_setattr sys_sched_setattr sys_sched_setattr
346 common sched_getattr sys_sched_getattr sys_sched_getattr
347 common renameat2 sys_renameat2 sys_renameat2
348 common seccomp sys_seccomp sys_seccomp
349 common getrandom sys_getrandom sys_getrandom
350 common memfd_create sys_memfd_create sys_memfd_create
351 common bpf sys_bpf sys_bpf
352 common s390_pci_mmio_write sys_s390_pci_mmio_write sys_s390_pci_mmio_write
353 common s390_pci_mmio_read sys_s390_pci_mmio_read sys_s390_pci_mmio_read
354 common execveat sys_execveat compat_sys_execveat
355 common userfaultfd sys_userfaultfd sys_userfaultfd
356 common membarrier sys_membarrier sys_membarrier
357 common recvmmsg sys_recvmmsg compat_sys_recvmmsg
358 common sendmmsg sys_sendmmsg compat_sys_sendmmsg
359 common socket sys_socket sys_socket
360 common socketpair sys_socketpair compat_sys_socketpair
361 common bind sys_bind compat_sys_bind
362 common connect sys_connect compat_sys_connect
360 common socketpair sys_socketpair sys_socketpair
361 common bind sys_bind sys_bind
362 common connect sys_connect sys_connect
363 common listen sys_listen sys_listen
364 common accept4 sys_accept4 compat_sys_accept4
364 common accept4 sys_accept4 sys_accept4
365 common getsockopt sys_getsockopt compat_sys_getsockopt
366 common setsockopt sys_setsockopt compat_sys_setsockopt
367 common getsockname sys_getsockname compat_sys_getsockname
368 common getpeername sys_getpeername compat_sys_getpeername
369 common sendto sys_sendto compat_sys_sendto
367 common getsockname sys_getsockname sys_getsockname
368 common getpeername sys_getpeername sys_getpeername
369 common sendto sys_sendto sys_sendto
370 common sendmsg sys_sendmsg compat_sys_sendmsg
371 common recvfrom sys_recvfrom compat_sys_recvfrom
372 common recvmsg sys_recvmsg compat_sys_recvmsg
373 common shutdown sys_shutdown sys_shutdown
374 common mlock2 sys_mlock2 compat_sys_mlock2
375 common copy_file_range sys_copy_file_range compat_sys_copy_file_range
374 common mlock2 sys_mlock2 sys_mlock2
375 common copy_file_range sys_copy_file_range sys_copy_file_range
376 common preadv2 sys_preadv2 compat_sys_preadv2
377 common pwritev2 sys_pwritev2 compat_sys_pwritev2
378 common s390_guarded_storage sys_s390_guarded_storage compat_sys_s390_guarded_storage
379 common statx sys_statx compat_sys_statx
380 common s390_sthyi sys_s390_sthyi compat_sys_s390_sthyi
381 common kexec_file_load sys_kexec_file_load compat_sys_kexec_file_load
378 common s390_guarded_storage sys_s390_guarded_storage sys_s390_guarded_storage
379 common statx sys_statx sys_statx
380 common s390_sthyi sys_s390_sthyi sys_s390_sthyi
381 common kexec_file_load sys_kexec_file_load sys_kexec_file_load
382 common io_pgetevents sys_io_pgetevents compat_sys_io_pgetevents
383 common rseq sys_rseq compat_sys_rseq
383 common rseq sys_rseq sys_rseq

4
include/linux/syscalls.h
View file

@ -1185,6 +1185,10 @@ unsigned long ksys_mmap_pgoff(unsigned long addr, unsigned long len,
unsigned long prot, unsigned long flags,
unsigned long fd, unsigned long pgoff);
ssize_t ksys_readahead(int fd, loff_t offset, size_t count);
int ksys_ipc(unsigned int call, int first, unsigned long second,
unsigned long third, void __user * ptr, long fifth);
int compat_ksys_ipc(u32 call, int first, int second,
u32 third, u32 ptr, u32 fifth);
/*
* The following kernel syscall equivalents are just wrappers to fs-internal

20
ipc/syscall.c
View file

@ -17,8 +17,8 @@
#include <linux/shm.h>
#include <linux/uaccess.h>
SYSCALL_DEFINE6(ipc, unsigned int, call, int, first, unsigned long, second,
unsigned long, third, void __user *, ptr, long, fifth)
int ksys_ipc(unsigned int call, int first, unsigned long second,
unsigned long third, void __user * ptr, long fifth)
{
int version, ret;
@ -106,6 +106,12 @@ SYSCALL_DEFINE6(ipc, unsigned int, call, int, first, unsigned long, second,
return -ENOSYS;
}
}
SYSCALL_DEFINE6(ipc, unsigned int, call, int, first, unsigned long, second,
unsigned long, third, void __user *, ptr, long, fifth)
{
return ksys_ipc(call, first, second, third, ptr, fifth);
}
#endif
#ifdef CONFIG_COMPAT
@ -121,8 +127,8 @@ struct compat_ipc_kludge {
};
#ifdef CONFIG_ARCH_WANT_OLD_COMPAT_IPC
COMPAT_SYSCALL_DEFINE6(ipc, u32, call, int, first, int, second,
u32, third, compat_uptr_t, ptr, u32, fifth)
int compat_ksys_ipc(u32 call, int first, int second,
u32 third, compat_uptr_t ptr, u32 fifth)
{
int version;
u32 pad;
@ -195,5 +201,11 @@ COMPAT_SYSCALL_DEFINE6(ipc, u32, call, int, first, int, second,
return -ENOSYS;
}
COMPAT_SYSCALL_DEFINE6(ipc, u32, call, int, first, int, second,
u32, third, compat_uptr_t, ptr, u32, fifth)
{
return compat_ksys_ipc(call, first, second, third, ptr, fifth);
}
#endif
#endif

1
kernel/sys_ni.c
View file

@ -366,6 +366,7 @@ COND_SYSCALL(kexec_file_load);
/* s390 */
COND_SYSCALL(s390_pci_mmio_read);
COND_SYSCALL(s390_pci_mmio_write);
COND_SYSCALL(s390_ipc);
COND_SYSCALL_COMPAT(s390_ipc);
/* powerpc */