diff options
| author | Al Viro <viro@zeniv.linux.org.uk> | 2013-02-24 03:02:41 -0500 |
|---|---|---|
| committer | Al Viro <viro@zeniv.linux.org.uk> | 2013-02-24 03:02:41 -0500 |
| commit | aee41fe2b2468bd3276e8eecd36c3e75927e2c53 (patch) | |
| tree | 605f6c74b257d9c4878c76a8203b753200d0f0fb /arch/sparc/kernel | |
| parent | 9e2d59ad580d590134285f361a0e80f0e98c0207 (diff) | |
lseek() and truncate() on sparc really need sign extension
ftruncate() doesn't - it's declared with size as unsigned long,
but truncate() and lseek() have that argument as signed long.
IOW, these two really need sign extension + branch to native
syscall; argument validation in sys_... does *not* suffice.
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Diffstat (limited to 'arch/sparc/kernel')
| -rw-r--r-- | arch/sparc/kernel/sys32.S | 2 | ||||
| -rw-r--r-- | arch/sparc/kernel/systbls_64.S | 4 |
2 files changed, 4 insertions, 2 deletions
diff --git a/arch/sparc/kernel/sys32.S b/arch/sparc/kernel/sys32.S index 240a3cecc11..0cfe219646e 100644 --- a/arch/sparc/kernel/sys32.S +++ b/arch/sparc/kernel/sys32.S @@ -47,11 +47,13 @@ SIGN1(sys32_mq_open, compat_sys_mq_open, %o1) SIGN1(sys32_select, compat_sys_select, %o0) SIGN3(sys32_futex, compat_sys_futex, %o1, %o2, %o5) SIGN2(sys32_sendfile, compat_sys_sendfile, %o0, %o1) +SIGN1(sys32_lseek, sys_lseek, %o1) SIGN1(sys32_recvfrom, compat_sys_recvfrom, %o0) SIGN1(sys32_recvmsg, compat_sys_recvmsg, %o0) SIGN1(sys32_sendmsg, compat_sys_sendmsg, %o0) SIGN2(sys32_sync_file_range, compat_sync_file_range, %o0, %o5) SIGN1(sys32_vmsplice, compat_sys_vmsplice, %o0) +SIGN1(sys32_truncate, sys_truncate, %o1) .globl sys32_mmap2 sys32_mmap2: diff --git a/arch/sparc/kernel/systbls_64.S b/arch/sparc/kernel/systbls_64.S index 260ddcd412b..6eed1945a2c 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, sys32_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 @@ -43,7 +43,7 @@ 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 + .word sys_nis_syscall, sys_setreuid16, sys_setregid16, sys_rename, sys32_truncate /*130*/ .word 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 |