From 9ac08002130b591d0f2ee035aa9062f84f2f15cb Mon Sep 17 00:00:00 2001 From: Al Viro Date: Sun, 21 Oct 2012 15:56:52 -0400 Subject: arm64: sanitize copy_thread(), switch to generic fork/vfork/clone Signed-off-by: Al Viro --- arch/arm64/include/asm/syscalls.h | 2 ++ arch/arm64/include/asm/unistd.h | 3 +++ arch/arm64/include/asm/unistd32.h | 4 ++-- 3 files changed, 7 insertions(+), 2 deletions(-) (limited to 'arch/arm64/include/asm') diff --git a/arch/arm64/include/asm/syscalls.h b/arch/arm64/include/asm/syscalls.h index a1b00cd6f786..010ec127dc5b 100644 --- a/arch/arm64/include/asm/syscalls.h +++ b/arch/arm64/include/asm/syscalls.h @@ -31,6 +31,8 @@ asmlinkage long sys_sigaltstack_wrapper(const stack_t __user *uss, * AArch64 sys_clone implementation has a different prototype than the generic * one (additional TLS value argument). */ +asmlinkage long sys_clone(unsigned long, unsigned long, void __user *, int, + void __user *); #define sys_clone sys_clone #include diff --git a/arch/arm64/include/asm/unistd.h b/arch/arm64/include/asm/unistd.h index 43064a8bd99e..d69aeea6da1e 100644 --- a/arch/arm64/include/asm/unistd.h +++ b/arch/arm64/include/asm/unistd.h @@ -24,6 +24,9 @@ #define __ARCH_WANT_SYS_SIGPROCMASK #define __ARCH_WANT_COMPAT_SYS_RT_SIGSUSPEND #define __ARCH_WANT_COMPAT_SYS_SENDFILE +#define __ARCH_WANT_SYS_FORK +#define __ARCH_WANT_SYS_VFORK #endif #define __ARCH_WANT_SYS_EXECVE +#define __ARCH_WANT_SYS_CLONE #include diff --git a/arch/arm64/include/asm/unistd32.h b/arch/arm64/include/asm/unistd32.h index d9850cf9870d..30127cb11ade 100644 --- a/arch/arm64/include/asm/unistd32.h +++ b/arch/arm64/include/asm/unistd32.h @@ -23,7 +23,7 @@ __SYSCALL(0, sys_restart_syscall) __SYSCALL(1, sys_exit) -__SYSCALL(2, compat_sys_fork) +__SYSCALL(2, sys_fork) __SYSCALL(3, sys_read) __SYSCALL(4, sys_write) __SYSCALL(5, compat_sys_open) @@ -211,7 +211,7 @@ __SYSCALL(186, compat_sys_sigaltstack_wrapper) __SYSCALL(187, compat_sys_sendfile) __SYSCALL(188, sys_ni_syscall) /* 188 reserved */ __SYSCALL(189, sys_ni_syscall) /* 189 reserved */ -__SYSCALL(190, compat_sys_vfork) +__SYSCALL(190, sys_vfork) __SYSCALL(191, compat_sys_getrlimit) /* SuS compliant getrlimit */ __SYSCALL(192, sys_mmap_pgoff) __SYSCALL(193, compat_sys_truncate64_wrapper) -- cgit v1.2.3 From 24465a40ba452bd81fdc9eecb2d75bb903aafdf6 Mon Sep 17 00:00:00 2001 From: Al Viro Date: Wed, 28 Nov 2012 23:04:26 -0500 Subject: take sys_fork/sys_vfork/sys_clone prototypes to linux/syscalls.h now it can be done... Signed-off-by: Al Viro --- arch/arm64/include/asm/syscalls.h | 8 -------- arch/hexagon/include/asm/syscall.h | 5 ----- arch/microblaze/include/asm/Kbuild | 1 + arch/microblaze/include/asm/syscalls.h | 16 ---------------- arch/s390/kernel/entry.h | 4 ---- arch/tile/include/asm/syscalls.h | 3 --- arch/tile/kernel/compat.c | 1 - arch/tile/kernel/sys.c | 1 - arch/x86/include/asm/syscalls.h | 11 ----------- arch/x86/um/shared/sysdep/syscalls.h | 2 -- include/asm-generic/syscalls.h | 12 ------------ include/linux/syscalls.h | 10 ++++++++++ 12 files changed, 11 insertions(+), 63 deletions(-) delete mode 100644 arch/microblaze/include/asm/syscalls.h (limited to 'arch/arm64/include/asm') diff --git a/arch/arm64/include/asm/syscalls.h b/arch/arm64/include/asm/syscalls.h index 010ec127dc5b..20d63b290665 100644 --- a/arch/arm64/include/asm/syscalls.h +++ b/arch/arm64/include/asm/syscalls.h @@ -27,14 +27,6 @@ asmlinkage long sys_rt_sigreturn_wrapper(void); asmlinkage long sys_sigaltstack_wrapper(const stack_t __user *uss, stack_t __user *uoss); -/* - * AArch64 sys_clone implementation has a different prototype than the generic - * one (additional TLS value argument). - */ -asmlinkage long sys_clone(unsigned long, unsigned long, void __user *, int, - void __user *); -#define sys_clone sys_clone - #include #endif /* __ASM_SYSCALLS_H */ diff --git a/arch/hexagon/include/asm/syscall.h b/arch/hexagon/include/asm/syscall.h index ec2ce6792cd6..4af9c7b6f13a 100644 --- a/arch/hexagon/include/asm/syscall.h +++ b/arch/hexagon/include/asm/syscall.h @@ -25,11 +25,6 @@ typedef long (*syscall_fn)(unsigned long, unsigned long, unsigned long, unsigned long, unsigned long, unsigned long); -asmlinkage int sys_clone(unsigned long clone_flags, unsigned long newsp, - unsigned long parent_tidp, unsigned long child_tidp); - -#define sys_clone sys_clone - #include extern void *sys_call_table[]; diff --git a/arch/microblaze/include/asm/Kbuild b/arch/microblaze/include/asm/Kbuild index 8653072d7e9f..88a758a67922 100644 --- a/arch/microblaze/include/asm/Kbuild +++ b/arch/microblaze/include/asm/Kbuild @@ -3,3 +3,4 @@ include include/asm-generic/Kbuild.asm header-y += elf.h generic-y += clkdev.h generic-y += exec.h +generic-y += syscalls.h diff --git a/arch/microblaze/include/asm/syscalls.h b/arch/microblaze/include/asm/syscalls.h deleted file mode 100644 index 27f2f4c0f39f..000000000000 --- a/arch/microblaze/include/asm/syscalls.h +++ /dev/null @@ -1,16 +0,0 @@ -#ifndef __ASM_MICROBLAZE_SYSCALLS_H - -asmlinkage long microblaze_vfork(struct pt_regs *regs); -asmlinkage long microblaze_clone(int flags, unsigned long stack, - struct pt_regs *regs); -asmlinkage long microblaze_execve(const char __user *filenamei, - const char __user *const __user *argv, - const char __user *const __user *envp, - struct pt_regs *regs); - -asmlinkage long sys_clone(int flags, unsigned long stack, struct pt_regs *regs); -#define sys_clone sys_clone - -#include - -#endif /* __ASM_MICROBLAZE_SYSCALLS_H */ diff --git a/arch/s390/kernel/entry.h b/arch/s390/kernel/entry.h index d0d3f69a7346..d8251b98f17a 100644 --- a/arch/s390/kernel/entry.h +++ b/arch/s390/kernel/entry.h @@ -54,10 +54,6 @@ long sys_s390_fadvise64(int fd, u32 offset_high, u32 offset_low, long sys_s390_fadvise64_64(struct fadvise64_64_args __user *args); long sys_s390_fallocate(int fd, int mode, loff_t offset, u32 len_high, u32 len_low); -long sys_fork(void); -long sys_clone(unsigned long newsp, unsigned long clone_flags, - int __user *parent_tidptr, int __user *child_tidptr); -long sys_vfork(void); long sys_sigsuspend(int history0, int history1, old_sigset_t mask); long sys_sigaction(int sig, const struct old_sigaction __user *act, struct old_sigaction __user *oact); diff --git a/arch/tile/include/asm/syscalls.h b/arch/tile/include/asm/syscalls.h index 394c76f2dc76..4c8462a62cb6 100644 --- a/arch/tile/include/asm/syscalls.h +++ b/arch/tile/include/asm/syscalls.h @@ -63,11 +63,8 @@ long sys_ftruncate64(unsigned int fd, loff_t length); #endif /* Provide versions of standard syscalls that use current_pt_regs(). */ -long sys_clone(unsigned long clone_flags, unsigned long newsp, - void __user *parent_tid, void __user *child_tid); long sys_rt_sigreturn(void); long sys_sigaltstack(const stack_t __user *, stack_t __user *); -#define sys_clone sys_clone #define sys_rt_sigreturn sys_rt_sigreturn #define sys_sigaltstack sys_sigaltstack diff --git a/arch/tile/kernel/compat.c b/arch/tile/kernel/compat.c index a2e805569d5d..9cd7cb6041c0 100644 --- a/arch/tile/kernel/compat.c +++ b/arch/tile/kernel/compat.c @@ -104,7 +104,6 @@ long compat_sys_sched_rr_get_interval(compat_pid_t pid, /* Call the assembly trampolines where necessary. */ #define compat_sys_rt_sigreturn _compat_sys_rt_sigreturn -#undef sys_clone #define sys_clone _sys_clone /* diff --git a/arch/tile/kernel/sys.c b/arch/tile/kernel/sys.c index 02ff5c0ef775..b881a7be24bd 100644 --- a/arch/tile/kernel/sys.c +++ b/arch/tile/kernel/sys.c @@ -109,7 +109,6 @@ SYSCALL_DEFINE6(mmap, unsigned long, addr, unsigned long, len, /* Call the assembly trampolines where necessary. */ #undef sys_rt_sigreturn #define sys_rt_sigreturn _sys_rt_sigreturn -#undef sys_clone #define sys_clone _sys_clone /* diff --git a/arch/x86/include/asm/syscalls.h b/arch/x86/include/asm/syscalls.h index f7252d11416b..2f8374718aa3 100644 --- a/arch/x86/include/asm/syscalls.h +++ b/arch/x86/include/asm/syscalls.h @@ -20,17 +20,6 @@ asmlinkage long sys_ioperm(unsigned long, unsigned long, int); long sys_iopl(unsigned int, struct pt_regs *); -/* kernel/process.c */ -asmlinkage long sys_fork(void); -asmlinkage long sys_vfork(void); -#ifdef CONFIG_CLONE_BACKWARDS -asmlinkage long sys_clone(unsigned long, unsigned long, void __user *, int, - void __user *); -#else -asmlinkage long sys_clone(unsigned long, unsigned long, void __user *, - void __user *, int); -#endif - /* kernel/ldt.c */ asmlinkage int sys_modify_ldt(int, void __user *, unsigned long); diff --git a/arch/x86/um/shared/sysdep/syscalls.h b/arch/x86/um/shared/sysdep/syscalls.h index ca255a805ed9..bd9a89b67e41 100644 --- a/arch/x86/um/shared/sysdep/syscalls.h +++ b/arch/x86/um/shared/sysdep/syscalls.h @@ -1,5 +1,3 @@ -extern long sys_clone(unsigned long clone_flags, unsigned long newsp, - void __user *parent_tid, void __user *child_tid); #ifdef __i386__ #include "syscalls_32.h" #else diff --git a/include/asm-generic/syscalls.h b/include/asm-generic/syscalls.h index 77960333b1a1..58f466ff00d3 100644 --- a/include/asm-generic/syscalls.h +++ b/include/asm-generic/syscalls.h @@ -8,18 +8,6 @@ * Calling conventions for these system calls can differ, so * it's possible to override them. */ -#ifndef sys_clone -asmlinkage long sys_clone(unsigned long clone_flags, unsigned long newsp, - void __user *parent_tid, void __user *child_tid); -#endif - -#ifndef sys_fork -asmlinkage long sys_fork(void); -#endif - -#ifndef sys_vfork -asmlinkage long sys_vfork(void); -#endif #ifndef sys_mmap2 asmlinkage long sys_mmap2(unsigned long addr, unsigned long len, diff --git a/include/linux/syscalls.h b/include/linux/syscalls.h index 526deb333b91..91835e7f364d 100644 --- a/include/linux/syscalls.h +++ b/include/linux/syscalls.h @@ -836,6 +836,16 @@ int kernel_execve(const char *filename, const char *const argv[], const char *co (const char __user *const __user *)envp) #endif +asmlinkage long sys_fork(void); +asmlinkage long sys_vfork(void); +#ifdef CONFIG_CLONE_BACKWARDS +asmlinkage long sys_clone(unsigned long, unsigned long, int __user *, int, + int __user *); +#else +asmlinkage long sys_clone(unsigned long, unsigned long, int __user *, + int __user *, int); +#endif + asmlinkage long sys_execve(const char __user *filename, const char __user *const __user *argv, const char __user *const __user *envp); -- cgit v1.2.3