This patch limits a value of suid_dumpable sysctl to the range of 0 to 2.
Signed-off-by: Hidehiro Kawai <[EMAIL PROTECTED]>
---
kernel/sysctl.c | 6 +++++-
1 files changed, 5 insertions(+), 1 deletion(-)
Index: linux-2.6.22-rc2-mm1/kernel/sysctl.c
===================================================================
--- linux-2.6.22-rc2-mm1.orig/kernel/sysctl.c
+++ linux-2.6.22-rc2-mm1/kernel/sysctl.c
@@ -690,6 +690,7 @@ static ctl_table kern_table[] = {
/* Constants for minimum and maximum testing in vm_table.
We use these as one-element integer vectors. */
static int zero;
+static int two = 2;
static int one_hundred = 100;
@@ -1125,7 +1126,10 @@ static ctl_table fs_table[] = {
.data = &suid_dumpable,
.maxlen = sizeof(int),
.mode = 0644,
- .proc_handler = &proc_dointvec,
+ .proc_handler = &proc_dointvec_minmax,
+ .strategy = &sysctl_intvec,
+ .extra1 = &zero,
+ .extra2 = &two,
},
{
.ctl_name = CTL_UNNUMBERED,
-
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