diff options
author | nbd <nbd@3c298f89-4303-0410-b956-a3cf2f4a3e73> | 2010-03-28 19:05:59 +0000 |
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committer | nbd <nbd@3c298f89-4303-0410-b956-a3cf2f4a3e73> | 2010-03-28 19:05:59 +0000 |
commit | 244c45bd27413a24e51ced8bf4e671739105acb7 (patch) | |
tree | e32a90b95edd227a4ab9647fa233b83faebb55b8 | |
parent | bc3d4f5dfda1c350e57c92b63e6900c04c23978d (diff) |
netfilter: fix ABI breakage caused by the netfilter match optimization (fixes #5628)
git-svn-id: svn://svn.openwrt.org/openwrt/trunk@20552 3c298f89-4303-0410-b956-a3cf2f4a3e73
5 files changed, 115 insertions, 0 deletions
diff --git a/target/linux/generic-2.6/patches-2.6.30/110-netfilter_match_speedup.patch b/target/linux/generic-2.6/patches-2.6.30/110-netfilter_match_speedup.patch index 950a43295..926966ced 100644 --- a/target/linux/generic-2.6/patches-2.6.30/110-netfilter_match_speedup.patch +++ b/target/linux/generic-2.6/patches-2.6.30/110-netfilter_match_speedup.patch @@ -119,3 +119,26 @@ /* For return from builtin chain */ back = get_entry(table_base, private->underflow[hook]); +@@ -976,6 +1015,7 @@ copy_entries_to_user(unsigned int total_ + unsigned int i; + const struct ipt_entry_match *m; + const struct ipt_entry_target *t; ++ u8 flags; + + e = (struct ipt_entry *)(loc_cpu_entry + off); + if (copy_to_user(userptr + off +@@ -986,6 +1026,14 @@ copy_entries_to_user(unsigned int total_ + goto free_counters; + } + ++ flags = e->ip.flags & ~IPT_F_NO_DEF_MATCH; ++ if (copy_to_user(userptr + off ++ + offsetof(struct ipt_entry, ip.flags), ++ &flags, sizeof(flags)) != 0) { ++ ret = -EFAULT; ++ goto free_counters; ++ } ++ + for (i = sizeof(struct ipt_entry); + i < e->target_offset; + i += m->u.match_size) { diff --git a/target/linux/generic-2.6/patches-2.6.31/110-netfilter_match_speedup.patch b/target/linux/generic-2.6/patches-2.6.31/110-netfilter_match_speedup.patch index 3dd114522..d6c113aa3 100644 --- a/target/linux/generic-2.6/patches-2.6.31/110-netfilter_match_speedup.patch +++ b/target/linux/generic-2.6/patches-2.6.31/110-netfilter_match_speedup.patch @@ -119,3 +119,26 @@ /* For return from builtin chain */ back = get_entry(table_base, private->underflow[hook]); +@@ -978,6 +1017,7 @@ copy_entries_to_user(unsigned int total_ + unsigned int i; + const struct ipt_entry_match *m; + const struct ipt_entry_target *t; ++ u8 flags; + + e = (struct ipt_entry *)(loc_cpu_entry + off); + if (copy_to_user(userptr + off +@@ -988,6 +1028,14 @@ copy_entries_to_user(unsigned int total_ + goto free_counters; + } + ++ flags = e->ip.flags & ~IPT_F_NO_DEF_MATCH; ++ if (copy_to_user(userptr + off ++ + offsetof(struct ipt_entry, ip.flags), ++ &flags, sizeof(flags)) != 0) { ++ ret = -EFAULT; ++ goto free_counters; ++ } ++ + for (i = sizeof(struct ipt_entry); + i < e->target_offset; + i += m->u.match_size) { diff --git a/target/linux/generic-2.6/patches-2.6.32/110-netfilter_match_speedup.patch b/target/linux/generic-2.6/patches-2.6.32/110-netfilter_match_speedup.patch index 2f4c7a292..a9eb1089f 100644 --- a/target/linux/generic-2.6/patches-2.6.32/110-netfilter_match_speedup.patch +++ b/target/linux/generic-2.6/patches-2.6.32/110-netfilter_match_speedup.patch @@ -119,3 +119,26 @@ /* For return from builtin chain */ back = get_entry(table_base, private->underflow[hook]); +@@ -992,6 +1031,7 @@ copy_entries_to_user(unsigned int total_ + unsigned int i; + const struct ipt_entry_match *m; + const struct ipt_entry_target *t; ++ u8 flags; + + e = (struct ipt_entry *)(loc_cpu_entry + off); + if (copy_to_user(userptr + off +@@ -1002,6 +1042,14 @@ copy_entries_to_user(unsigned int total_ + goto free_counters; + } + ++ flags = e->ip.flags & ~IPT_F_NO_DEF_MATCH; ++ if (copy_to_user(userptr + off ++ + offsetof(struct ipt_entry, ip.flags), ++ &flags, sizeof(flags)) != 0) { ++ ret = -EFAULT; ++ goto free_counters; ++ } ++ + for (i = sizeof(struct ipt_entry); + i < e->target_offset; + i += m->u.match_size) { diff --git a/target/linux/generic-2.6/patches-2.6.33/110-netfilter_match_speedup.patch b/target/linux/generic-2.6/patches-2.6.33/110-netfilter_match_speedup.patch index 69344a91f..e99c6db4d 100644 --- a/target/linux/generic-2.6/patches-2.6.33/110-netfilter_match_speedup.patch +++ b/target/linux/generic-2.6/patches-2.6.33/110-netfilter_match_speedup.patch @@ -119,3 +119,26 @@ /* For return from builtin chain */ back = get_entry(table_base, private->underflow[hook]); +@@ -992,6 +1031,7 @@ copy_entries_to_user(unsigned int total_ + unsigned int i; + const struct ipt_entry_match *m; + const struct ipt_entry_target *t; ++ u8 flags; + + e = (struct ipt_entry *)(loc_cpu_entry + off); + if (copy_to_user(userptr + off +@@ -1002,6 +1042,14 @@ copy_entries_to_user(unsigned int total_ + goto free_counters; + } + ++ flags = e->ip.flags & ~IPT_F_NO_DEF_MATCH; ++ if (copy_to_user(userptr + off ++ + offsetof(struct ipt_entry, ip.flags), ++ &flags, sizeof(flags)) != 0) { ++ ret = -EFAULT; ++ goto free_counters; ++ } ++ + for (i = sizeof(struct ipt_entry); + i < e->target_offset; + i += m->u.match_size) { diff --git a/target/linux/generic-2.6/patches-2.6.34/110-netfilter_match_speedup.patch b/target/linux/generic-2.6/patches-2.6.34/110-netfilter_match_speedup.patch index 69344a91f..e99c6db4d 100644 --- a/target/linux/generic-2.6/patches-2.6.34/110-netfilter_match_speedup.patch +++ b/target/linux/generic-2.6/patches-2.6.34/110-netfilter_match_speedup.patch @@ -119,3 +119,26 @@ /* For return from builtin chain */ back = get_entry(table_base, private->underflow[hook]); +@@ -992,6 +1031,7 @@ copy_entries_to_user(unsigned int total_ + unsigned int i; + const struct ipt_entry_match *m; + const struct ipt_entry_target *t; ++ u8 flags; + + e = (struct ipt_entry *)(loc_cpu_entry + off); + if (copy_to_user(userptr + off +@@ -1002,6 +1042,14 @@ copy_entries_to_user(unsigned int total_ + goto free_counters; + } + ++ flags = e->ip.flags & ~IPT_F_NO_DEF_MATCH; ++ if (copy_to_user(userptr + off ++ + offsetof(struct ipt_entry, ip.flags), ++ &flags, sizeof(flags)) != 0) { ++ ret = -EFAULT; ++ goto free_counters; ++ } ++ + for (i = sizeof(struct ipt_entry); + i < e->target_offset; + i += m->u.match_size) { |