| Date | Thu, 15 Jan 2009 11:58:37 -0800 | From | Greg KH <> | Subject | [patch 37/94] [PATCH 06/44] [CVE-2009-0029] Make sys_syslog a conditional system call |
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2.6.28-stable review patch. If anyone has any objections, please let us know.
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From: Heiko Carstens <heiko.carstens@de.ibm.com>
commit f627a741d24f12955fa2d9f8831c3b12860635bd upstream.
Remove the -ENOSYS implementation for !CONFIG_PRINTK and use the cond_syscall infrastructure instead.
Acked-by: Kyle McMartin <kyle@redhat.com> Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de> --- kernel/printk.c | 5 ----- kernel/sys_ni.c | 1 + 2 files changed, 1 insertion(+), 5 deletions(-)
--- 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) { } --- 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);
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