diff options
| -rw-r--r-- | arch/arm64/include/asm/unistd32.h | 6 | ||||
| -rw-r--r-- | arch/arm64/kernel/sys32.S | 5 | ||||
| -rw-r--r-- | arch/mips/kernel/scall64-o32.S | 4 | ||||
| -rw-r--r-- | arch/parisc/kernel/sys_parisc32.c | 10 | ||||
| -rw-r--r-- | arch/parisc/kernel/syscall_table.S | 6 | ||||
| -rw-r--r-- | arch/powerpc/include/asm/systbl.h | 2 | ||||
| -rw-r--r-- | arch/powerpc/kernel/sys_ppc32.c | 18 | ||||
| -rw-r--r-- | arch/s390/kernel/compat_wrapper.S | 16 | ||||
| -rw-r--r-- | arch/s390/kernel/syscalls.S | 6 | ||||
| -rw-r--r-- | arch/sparc/kernel/signal32.c | 2 | ||||
| -rw-r--r-- | arch/sparc/kernel/systbls_64.S | 6 | ||||
| -rw-r--r-- | arch/x86/ia32/sys_ia32.c | 5 | ||||
| -rw-r--r-- | arch/x86/include/asm/sys_ia32.h | 1 | ||||
| -rw-r--r-- | arch/x86/syscalls/syscall_32.tbl | 6 | ||||
| -rw-r--r-- | fs/open.c | 15 | ||||
| -rw-r--r-- | fs/read_write.c | 9 | ||||
| -rw-r--r-- | fs/timerfd.c | 10 | ||||
| -rw-r--r-- | include/linux/compat.h | 3 |
18 files changed, 50 insertions, 80 deletions
diff --git a/arch/arm64/include/asm/unistd32.h b/arch/arm64/include/asm/unistd32.h index e60e386..12f2249 100644 --- a/arch/arm64/include/asm/unistd32.h +++ b/arch/arm64/include/asm/unistd32.h @@ -40,7 +40,7 @@ __SYSCALL(15, sys_chmod) __SYSCALL(16, sys_lchown16) __SYSCALL(17, sys_ni_syscall) /* 17 was sys_break */ __SYSCALL(18, sys_ni_syscall) /* 18 was sys_stat */ -__SYSCALL(19, compat_sys_lseek_wrapper) +__SYSCALL(19, compat_sys_lseek) __SYSCALL(20, sys_getpid) __SYSCALL(21, compat_sys_mount) __SYSCALL(22, sys_ni_syscall) /* 22 was sys_umount */ @@ -113,8 +113,8 @@ __SYSCALL(88, sys_reboot) __SYSCALL(89, sys_ni_syscall) /* 89 was sys_readdir */ __SYSCALL(90, sys_ni_syscall) /* 90 was sys_mmap */ __SYSCALL(91, sys_munmap) -__SYSCALL(92, sys_truncate) -__SYSCALL(93, sys_ftruncate) +__SYSCALL(92, compat_sys_truncate) +__SYSCALL(93, compat_sys_ftruncate) __SYSCALL(94, sys_fchmod) __SYSCALL(95, sys_fchown16) __SYSCALL(96, sys_getpriority) diff --git a/arch/arm64/kernel/sys32.S b/arch/arm64/kernel/sys32.S index 6abb0572..9416d04 100644 --- a/arch/arm64/kernel/sys32.S +++ b/arch/arm64/kernel/sys32.S @@ -58,11 +58,6 @@ ENDPROC(compat_sys_fstatfs64_wrapper) * in registers or that take 32-bit parameters which require sign * extension. */ -compat_sys_lseek_wrapper: - sxtw x1, w1 - b sys_lseek -ENDPROC(compat_sys_lseek_wrapper) - compat_sys_pread64_wrapper: orr x3, x4, x5, lsl #32 b sys_pread64 diff --git a/arch/mips/kernel/scall64-o32.S b/arch/mips/kernel/scall64-o32.S index 402d746..af8887f 100644 --- a/arch/mips/kernel/scall64-o32.S +++ b/arch/mips/kernel/scall64-o32.S @@ -284,8 +284,8 @@ sys_call_table: PTR compat_sys_old_readdir PTR sys_mips_mmap /* 4090 */ PTR sys_munmap - PTR sys_truncate - PTR sys_ftruncate + PTR compat_sys_truncate + PTR compat_sys_ftruncate PTR sys_fchmod PTR sys_fchown /* 4095 */ PTR sys_getpriority diff --git a/arch/parisc/kernel/sys_parisc32.c b/arch/parisc/kernel/sys_parisc32.c index eca69bb..051c8b9 100644 --- a/arch/parisc/kernel/sys_parisc32.c +++ b/arch/parisc/kernel/sys_parisc32.c @@ -79,16 +79,6 @@ asmlinkage long sys32_sendfile64(u32 out_fd, u32 in_fd, (loff_t __user *)offset, count); } - -/* lseek() needs a wrapper because 'offset' can be negative, but the top - * half of the argument has been zeroed by syscall.S. - */ - -asmlinkage int sys32_lseek(unsigned int fd, int offset, unsigned int origin) -{ - return sys_lseek(fd, offset, origin); -} - asmlinkage long sys32_semctl(int semid, int semnum, int cmd, union semun arg) { union semun u; diff --git a/arch/parisc/kernel/syscall_table.S b/arch/parisc/kernel/syscall_table.S index fc9cab1..884b91b 100644 --- a/arch/parisc/kernel/syscall_table.S +++ b/arch/parisc/kernel/syscall_table.S @@ -76,7 +76,7 @@ ENTRY_SAME(socket) /* struct stat is MAYBE identical wide and narrow ?? */ ENTRY_COMP(newstat) - ENTRY_DIFF(lseek) + ENTRY_COMP(lseek) ENTRY_SAME(getpid) /* 20 */ /* the 'void * data' parameter may need re-packing in wide */ ENTRY_COMP(mount) @@ -165,8 +165,8 @@ ENTRY_SAME(mmap2) ENTRY_SAME(mmap) /* 90 */ ENTRY_SAME(munmap) - ENTRY_SAME(truncate) - ENTRY_SAME(ftruncate) + ENTRY_COMP(truncate) + ENTRY_COMP(ftruncate) ENTRY_SAME(fchmod) ENTRY_SAME(fchown) /* 95 */ ENTRY_SAME(getpriority) diff --git a/arch/powerpc/include/asm/systbl.h b/arch/powerpc/include/asm/systbl.h index d906f33..535b6d8 100644 --- a/arch/powerpc/include/asm/systbl.h +++ b/arch/powerpc/include/asm/systbl.h @@ -22,7 +22,7 @@ SYSCALL_SPU(chmod) SYSCALL_SPU(lchown) SYSCALL(ni_syscall) OLDSYS(stat) -SYSX_SPU(sys_lseek,ppc32_lseek,sys_lseek) +COMPAT_SYS_SPU(lseek) SYSCALL_SPU(getpid) COMPAT_SYS(mount) SYSX(sys_ni_syscall,sys_oldumount,sys_oldumount) diff --git a/arch/powerpc/kernel/sys_ppc32.c b/arch/powerpc/kernel/sys_ppc32.c index dbc44ba..d0bafc0 100644 --- a/arch/powerpc/kernel/sys_ppc32.c +++ b/arch/powerpc/kernel/sys_ppc32.c @@ -146,24 +146,6 @@ asmlinkage long compat_sys_sendfile64_wrapper(u32 out_fd, u32 in_fd, (off_t __user *)offset, count); } -off_t ppc32_lseek(unsigned int fd, u32 offset, unsigned int origin) -{ - /* sign extend n */ - return sys_lseek(fd, (int)offset, origin); -} - -long compat_sys_truncate(const char __user * path, u32 length) -{ - /* sign extend length */ - return sys_truncate(path, (int)length); -} - -long compat_sys_ftruncate(int fd, u32 length) -{ - /* sign extend length */ - return sys_ftruncate(fd, (int)length); -} - unsigned long compat_sys_mmap2(unsigned long addr, size_t len, unsigned long prot, unsigned long flags, unsigned long fd, unsigned long pgoff) diff --git a/arch/s390/kernel/compat_wrapper.S b/arch/s390/kernel/compat_wrapper.S index c14faf3..3c98c4d 100644 --- a/arch/s390/kernel/compat_wrapper.S +++ b/arch/s390/kernel/compat_wrapper.S @@ -67,12 +67,6 @@ ENTRY(sys32_lchown16_wrapper) llgfr %r4,%r4 # __kernel_old_uid_emu31_t jg sys32_lchown16 # branch to system call -ENTRY(sys32_lseek_wrapper) - llgfr %r2,%r2 # unsigned int - lgfr %r3,%r3 # off_t - llgfr %r4,%r4 # unsigned int - jg sys_lseek # branch to system call - #sys32_getpid_wrapper # void ENTRY(sys32_mount_wrapper) @@ -331,16 +325,6 @@ ENTRY(sys32_munmap_wrapper) llgfr %r3,%r3 # size_t jg sys_munmap # branch to system call -ENTRY(sys32_truncate_wrapper) - llgtr %r2,%r2 # const char * - lgfr %r3,%r3 # long - jg sys_truncate # branch to system call - -ENTRY(sys32_ftruncate_wrapper) - llgfr %r2,%r2 # unsigned int - llgfr %r3,%r3 # unsigned long - jg sys_ftruncate # branch to system call - ENTRY(sys32_fchmod_wrapper) llgfr %r2,%r2 # unsigned int llgfr %r3,%r3 # mode_t diff --git a/arch/s390/kernel/syscalls.S b/arch/s390/kernel/syscalls.S index aaac708..630b935 100644 --- a/arch/s390/kernel/syscalls.S +++ b/arch/s390/kernel/syscalls.S @@ -27,7 +27,7 @@ SYSCALL(sys_chmod,sys_chmod,sys32_chmod_wrapper) /* 15 */ SYSCALL(sys_lchown16,sys_ni_syscall,sys32_lchown16_wrapper) /* old lchown16 syscall*/ NI_SYSCALL /* old break syscall holder */ NI_SYSCALL /* old stat syscall holder */ -SYSCALL(sys_lseek,sys_lseek,sys32_lseek_wrapper) +SYSCALL(sys_lseek,sys_lseek,compat_sys_lseek) SYSCALL(sys_getpid,sys_getpid,sys_getpid) /* 20 */ SYSCALL(sys_mount,sys_mount,sys32_mount_wrapper) SYSCALL(sys_oldumount,sys_oldumount,sys32_oldumount_wrapper) @@ -100,8 +100,8 @@ SYSCALL(sys_reboot,sys_reboot,sys32_reboot_wrapper) SYSCALL(sys_ni_syscall,sys_ni_syscall,old32_readdir_wrapper) /* old readdir syscall */ SYSCALL(sys_old_mmap,sys_old_mmap,old32_mmap_wrapper) /* 90 */ SYSCALL(sys_munmap,sys_munmap,sys32_munmap_wrapper) -SYSCALL(sys_truncate,sys_truncate,sys32_truncate_wrapper) -SYSCALL(sys_ftruncate,sys_ftruncate,sys32_ftruncate_wrapper) +SYSCALL(sys_truncate,sys_truncate,compat_sys_truncate) +SYSCALL(sys_ftruncate,sys_ftruncate,compat_sys_ftruncate) SYSCALL(sys_fchmod,sys_fchmod,sys32_fchmod_wrapper) SYSCALL(sys_fchown16,sys_ni_syscall,sys32_fchown16_wrapper) /* 95 old fchown16 syscall*/ SYSCALL(sys_getpriority,sys_getpriority,sys32_getpriority_wrapper) diff --git a/arch/sparc/kernel/signal32.c b/arch/sparc/kernel/signal32.c index cd5dc4d..b524f91d 100644 --- a/arch/sparc/kernel/signal32.c +++ b/arch/sparc/kernel/signal32.c @@ -726,7 +726,7 @@ static inline void syscall_restart32(unsigned long orig_i0, struct pt_regs *regs * want to handle. Thus you cannot kill init even with a SIGKILL even by * mistake. */ -void do_signal32(sigset_t *oldset, struct pt_regs * regs) +void do_signal32(struct pt_regs * regs) { struct ksignal ksig; unsigned long orig_i0 = 0; diff --git a/arch/sparc/kernel/systbls_64.S b/arch/sparc/kernel/systbls_64.S index 260ddcd..0881348 100644 --- a/arch/sparc/kernel/systbls_64.S +++ b/arch/sparc/kernel/systbls_64.S @@ -21,7 +21,7 @@ sys_call_table32: /*0*/ .word sys_restart_syscall, sparc_exit, sys_fork, sys_read, sys_write /*5*/ .word compat_sys_open, sys_close, compat_sys_wait4, sys_creat, sys_link /*10*/ .word sys_unlink, sunos_execv, sys_chdir, sys_chown16, sys_mknod -/*15*/ .word sys_chmod, sys_lchown16, sys_brk, sys_nis_syscall, sys_lseek +/*15*/ .word sys_chmod, sys_lchown16, sys_brk, sys_nis_syscall, compat_sys_lseek /*20*/ .word sys_getpid, sys_capget, sys_capset, sys_setuid16, sys_getuid16 /*25*/ .word sys32_vmsplice, compat_sys_ptrace, sys_alarm, compat_sys_sigaltstack, sys_pause /*30*/ .word compat_sys_utime, sys_lchown, sys_fchown, sys_access, sys_nice @@ -43,8 +43,8 @@ sys_call_table32: /*110*/ .word sys_setresgid, sys_getresgid, sys_setregid, sys_nis_syscall, sys_nis_syscall .word sys_getgroups, compat_sys_gettimeofday, sys32_getrusage, sys_nis_syscall, sys_getcwd /*120*/ .word compat_sys_readv, compat_sys_writev, compat_sys_settimeofday, sys_fchown16, sys_fchmod - .word sys_nis_syscall, sys_setreuid16, sys_setregid16, sys_rename, sys_truncate -/*130*/ .word sys_ftruncate, sys_flock, compat_sys_lstat64, sys_nis_syscall, sys_nis_syscall + .word sys_nis_syscall, sys_setreuid16, sys_setregid16, sys_rename, compat_sys_truncate +/*130*/ .word compat_sys_ftruncate, sys_flock, compat_sys_lstat64, sys_nis_syscall, sys_nis_syscall .word sys_nis_syscall, sys_mkdir, sys_rmdir, compat_sys_utimes, compat_sys_stat64 /*140*/ .word sys_sendfile64, sys_nis_syscall, sys32_futex, sys_gettid, compat_sys_getrlimit .word compat_sys_setrlimit, sys_pivot_root, sys_prctl, sys_pciconfig_read, sys_pciconfig_write diff --git a/arch/x86/ia32/sys_ia32.c b/arch/x86/ia32/sys_ia32.c index 592f5a9..ad7a20c 100644 --- a/arch/x86/ia32/sys_ia32.c +++ b/arch/x86/ia32/sys_ia32.c @@ -218,11 +218,6 @@ asmlinkage long sys32_sendfile(int out_fd, int in_fd, * Some system calls that need sign extended arguments. This could be * done by a generic wrapper. */ -long sys32_lseek(unsigned int fd, int offset, unsigned int whence) -{ - return sys_lseek(fd, offset, whence); -} - long sys32_kill(int pid, int sig) { return sys_kill(pid, sig); diff --git a/arch/x86/include/asm/sys_ia32.h b/arch/x86/include/asm/sys_ia32.h index 0218d91..8459efc 100644 --- a/arch/x86/include/asm/sys_ia32.h +++ b/arch/x86/include/asm/sys_ia32.h @@ -43,7 +43,6 @@ asmlinkage long sys32_pwrite(unsigned int, const char __user *, u32, u32, u32); asmlinkage long sys32_personality(unsigned long); asmlinkage long sys32_sendfile(int, int, compat_off_t __user *, s32); -long sys32_lseek(unsigned int, int, unsigned int); long sys32_kill(int, int); long sys32_fadvise64_64(int, __u32, __u32, __u32, __u32, int); long sys32_vm86_warning(void); diff --git a/arch/x86/syscalls/syscall_32.tbl b/arch/x86/syscalls/syscall_32.tbl index f2fe78f..e6d55f0 100644 --- a/arch/x86/syscalls/syscall_32.tbl +++ b/arch/x86/syscalls/syscall_32.tbl @@ -25,7 +25,7 @@ 16 i386 lchown sys_lchown16 17 i386 break 18 i386 oldstat sys_stat -19 i386 lseek sys_lseek sys32_lseek +19 i386 lseek sys_lseek compat_sys_lseek 20 i386 getpid sys_getpid 21 i386 mount sys_mount compat_sys_mount 22 i386 umount sys_oldumount @@ -98,8 +98,8 @@ 89 i386 readdir sys_old_readdir compat_sys_old_readdir 90 i386 mmap sys_old_mmap sys32_mmap 91 i386 munmap sys_munmap -92 i386 truncate sys_truncate -93 i386 ftruncate sys_ftruncate +92 i386 truncate sys_truncate compat_sys_truncate +93 i386 ftruncate sys_ftruncate compat_sys_ftruncate 94 i386 fchmod sys_fchmod 95 i386 fchown sys_fchown16 96 i386 getpriority sys_getpriority @@ -30,6 +30,7 @@ #include <linux/fs_struct.h> #include <linux/ima.h> #include <linux/dnotify.h> +#include <linux/compat.h> #include "internal.h" @@ -140,6 +141,13 @@ SYSCALL_DEFINE2(truncate, const char __user *, path, long, length) return do_sys_truncate(path, length); } +#ifdef CONFIG_COMPAT +COMPAT_SYSCALL_DEFINE2(truncate, const char __user *, path, compat_off_t, length) +{ + return do_sys_truncate(path, length); +} +#endif + static long do_sys_ftruncate(unsigned int fd, loff_t length, int small) { struct inode *inode; @@ -195,6 +203,13 @@ SYSCALL_DEFINE2(ftruncate, unsigned int, fd, unsigned long, length) return ret; } +#ifdef CONFIG_COMPAT +COMPAT_SYSCALL_DEFINE2(ftruncate, unsigned int, fd, compat_ulong_t, length) +{ + return do_sys_ftruncate(fd, length, 1); +} +#endif + /* LFS versions of truncate are only needed on 32 bit machines */ #if BITS_PER_LONG == 32 SYSCALL_DEFINE(truncate64)(const char __user * path, loff_t length) diff --git a/fs/read_write.c b/fs/read_write.c index 3ae6dbe..a698eff 100644 --- a/fs/read_write.c +++ b/fs/read_write.c @@ -15,6 +15,7 @@ #include <linux/syscalls.h> #include <linux/pagemap.h> #include <linux/splice.h> +#include <linux/compat.h> #include "read_write.h" #include <asm/uaccess.h> @@ -247,6 +248,13 @@ SYSCALL_DEFINE3(lseek, unsigned int, fd, off_t, offset, unsigned int, whence) return retval; } +#ifdef CONFIG_COMPAT +COMPAT_SYSCALL_DEFINE3(lseek, unsigned int, fd, compat_off_t, offset, unsigned int, whence) +{ + return sys_lseek(fd, offset, whence); +} +#endif + #ifdef __ARCH_WANT_SYS_LLSEEK SYSCALL_DEFINE5(llseek, unsigned int, fd, unsigned long, offset_high, unsigned long, offset_low, loff_t __user *, result, @@ -278,7 +286,6 @@ out_putf: } #endif - /* * rw_verify_area doesn't like huge counts. We limit * them to something that fits in "int" so that others diff --git a/fs/timerfd.c b/fs/timerfd.c index 0e606b1..32b644f 100644 --- a/fs/timerfd.c +++ b/fs/timerfd.c @@ -383,10 +383,10 @@ SYSCALL_DEFINE2(timerfd_gettime, int, ufd, struct itimerspec __user *, otmr) return copy_to_user(otmr, &kotmr, sizeof(kotmr)) ? -EFAULT: 0; } -#ifdef COMPAT +#ifdef CONFIG_COMPAT COMPAT_SYSCALL_DEFINE4(timerfd_settime, int, ufd, int, flags, - const struct itimerspec __user *, utmr, - struct itimerspec __user *, otmr) + const struct compat_itimerspec __user *, utmr, + struct compat_itimerspec __user *, otmr) { struct itimerspec new, old; int ret; @@ -402,12 +402,12 @@ COMPAT_SYSCALL_DEFINE4(timerfd_settime, int, ufd, int, flags, } COMPAT_SYSCALL_DEFINE2(timerfd_gettime, int, ufd, - struct itimerspec __user *, otmr) + struct compat_itimerspec __user *, otmr) { struct itimerspec kotmr; int ret = do_timerfd_gettime(ufd, &kotmr); if (ret) return ret; - return put_compat_itimerspec(otmr, &t) ? -EFAULT: 0; + return put_compat_itimerspec(otmr, &kotmr) ? -EFAULT: 0; } #endif diff --git a/include/linux/compat.h b/include/linux/compat.h index de095b0..76a87fb 100644 --- a/include/linux/compat.h +++ b/include/linux/compat.h @@ -359,6 +359,7 @@ asmlinkage ssize_t compat_sys_preadv(unsigned long fd, asmlinkage ssize_t compat_sys_pwritev(unsigned long fd, const struct compat_iovec __user *vec, unsigned long vlen, u32 pos_low, u32 pos_high); +asmlinkage long comat_sys_lseek(unsigned int, compat_off_t, unsigned int); asmlinkage long compat_sys_execve(const char __user *filename, const compat_uptr_t __user *argv, const compat_uptr_t __user *envp); @@ -535,6 +536,8 @@ asmlinkage long compat_sys_openat(int dfd, const char __user *filename, asmlinkage long compat_sys_open_by_handle_at(int mountdirfd, struct file_handle __user *handle, int flags); +asmlinkage long compat_sys_truncate(const char __user *, compat_off_t); +asmlinkage long compat_sys_ftruncate(unsigned int, compat_ulong_t); asmlinkage long compat_sys_pselect6(int n, compat_ulong_t __user *inp, compat_ulong_t __user *outp, compat_ulong_t __user *exp, |
