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authorZoltan Herpai <wigyori@uid0.hu>2016-11-06 11:13:37 +0100
committerGitHub <noreply@github.com>2016-11-06 11:13:37 +0100
commit9ce27c83ad3fe2fa5e6ba707dc6bc1182a0f32ed (patch)
tree87316c92634bbaa73948928ce290205a5076fd32 /target/linux/generic/patches-4.1/610-netfilter_match_bypass_default_checks.patch
parentcabb0c506526fe468e4aa985086e50c440192122 (diff)
parent7862d74a17bb5a4a6d6b0d60d8cf33650b75c92a (diff)
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Merge pull request #156 from wigyori/dirtycow-fixes
CVE-2016-5195 (dirtycow) fixes for 3.18, 4.1, 4.4
Diffstat (limited to 'target/linux/generic/patches-4.1/610-netfilter_match_bypass_default_checks.patch')
-rw-r--r--target/linux/generic/patches-4.1/610-netfilter_match_bypass_default_checks.patch25
1 files changed, 8 insertions, 17 deletions
diff --git a/target/linux/generic/patches-4.1/610-netfilter_match_bypass_default_checks.patch b/target/linux/generic/patches-4.1/610-netfilter_match_bypass_default_checks.patch
index 282cbdd0de..1187845879 100644
--- a/target/linux/generic/patches-4.1/610-netfilter_match_bypass_default_checks.patch
+++ b/target/linux/generic/patches-4.1/610-netfilter_match_bypass_default_checks.patch
@@ -50,25 +50,16 @@
static bool
ip_checkentry(const struct ipt_ip *ip)
{
-@@ -564,7 +590,7 @@ static void cleanup_match(struct xt_entr
- }
-
- static int
--check_entry(const struct ipt_entry *e, const char *name)
-+check_entry(struct ipt_entry *e, const char *name)
- {
- const struct xt_entry_target *t;
-
-@@ -573,6 +599,8 @@ check_entry(const struct ipt_entry *e, c
- return -EINVAL;
- }
+@@ -649,6 +675,8 @@ find_check_entry(struct ipt_entry *e, st
+ struct xt_mtchk_param mtpar;
+ struct xt_entry_match *ematch;
+ ip_checkdefault(&e->ip);
+
- if (e->target_offset + sizeof(struct xt_entry_target) >
- e->next_offset)
- return -EINVAL;
-@@ -934,6 +962,7 @@ copy_entries_to_user(unsigned int total_
+ j = 0;
+ mtpar.net = net;
+ mtpar.table = name;
+@@ -941,6 +969,7 @@ copy_entries_to_user(unsigned int total_
const struct xt_table_info *private = table->private;
int ret = 0;
const void *loc_cpu_entry;
@@ -76,7 +67,7 @@
counters = alloc_counters(table);
if (IS_ERR(counters))
-@@ -964,6 +993,14 @@ copy_entries_to_user(unsigned int total_
+@@ -971,6 +1000,14 @@ copy_entries_to_user(unsigned int total_
ret = -EFAULT;
goto free_counters;
}