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| author | Heiko Carstens <heiko.carstens@de.ibm.com> | 2009-01-14 14:13:58 +0100 |
|---|---|---|
| committer | Heiko Carstens <heiko.carstens@de.ibm.com> | 2009-01-14 14:15:16 +0100 |
| commit | f627a741d24f12955fa2d9f8831c3b12860635bd (patch) | |
| tree | 2b96ea5be1df1978fd08544929c2ab3d4fbad8ba | |
| parent | c9da9f2129d6a421c32e334a83770a9e67f7feac (diff) | |
| download | lwn-f627a741d24f12955fa2d9f8831c3b12860635bd.tar.gz lwn-f627a741d24f12955fa2d9f8831c3b12860635bd.zip | |
[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 <kyle@redhat.com>
Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com>
| -rw-r--r-- | kernel/printk.c | 5 | ||||
| -rw-r--r-- | kernel/sys_ni.c | 1 |
2 files changed, 1 insertions, 5 deletions
diff --git a/kernel/printk.c b/kernel/printk.c index 7015733793e8..e48cf33783fc 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 e14a23281707..27dad2967387 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); |