From f627a741d24f12955fa2d9f8831c3b12860635bd Mon Sep 17 00:00:00 2001 From: Heiko Carstens Date: Wed, 14 Jan 2009 14:13:58 +0100 Subject: [PATCH] [CVE-2009-0029] Make sys_syslog a conditional system call Remove the -ENOSYS implementation for !CONFIG_PRINTK and use the cond_syscall infrastructure instead. Acked-by: Kyle McMartin Signed-off-by: Heiko Carstens --- kernel/printk.c | 5 ----- kernel/sys_ni.c | 1 + 2 files changed, 1 insertion(+), 5 deletions(-) diff --git a/kernel/printk.c b/kernel/printk.c index 7015733793e..e48cf33783f 100644 --- a/kernel/printk.c +++ b/kernel/printk.c @@ -742,11 +742,6 @@ EXPORT_SYMBOL(vprintk); #else -asmlinkage long sys_syslog(int type, char __user *buf, int len) -{ - return -ENOSYS; -} - static void call_console_drivers(unsigned start, unsigned end) { } diff --git a/kernel/sys_ni.c b/kernel/sys_ni.c index e14a2328170..27dad296738 100644 --- a/kernel/sys_ni.c +++ b/kernel/sys_ni.c @@ -131,6 +131,7 @@ cond_syscall(sys_io_destroy); cond_syscall(sys_io_submit); cond_syscall(sys_io_cancel); cond_syscall(sys_io_getevents); +cond_syscall(sys_syslog); /* arch-specific weak syscall entries */ cond_syscall(sys_pciconfig_read); -- 2.41.1