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authorHauke Mehrtens <hauke@hauke-m.de>2017-10-29 19:32:10 +0100
committerHauke Mehrtens <hauke@hauke-m.de>2017-12-16 22:11:19 +0100
commitb3f95490b9bec020314eb32016988ee262d52884 (patch)
treef8289c19587108bb3b687575776f559eee6f01fd /target/linux/generic/pending-4.14/612-netfilter_match_reduce_memory_access.patch
parenta362df6f253e4460504fd870d6a7af40ef86ad70 (diff)
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kernel: generic: Add kernel 4.14 support
This adds initial support for kernel 4.14 based on the patches for kernel 4.9. In the configuration I deactivated some of the new possible security features like: CONFIG_REFCOUNT_FULL CONFIG_SLAB_FREELIST_HARDENED CONFIG_SOFTLOCKUP_DETECTOR CONFIG_WARN_ALL_UNSEEDED_RANDOM And these overlay FS options are also deactivated: CONFIG_OVERLAY_FS_INDEX CONFIG_OVERLAY_FS_REDIRECT_DIR I activated this: CONFIG_FORTIFY_SOURCE CONFIG_POSIX_TIMERS CONFIG_SLAB_MERGE_DEFAULT CONFIG_WATCHDOG_HANDLE_BOOT_ENABLED I am not sure if I did the porting correct for the following patches: target/linux/generic/backport-4.14/020-backport_netfilter_rtcache.patch target/linux/generic/hack-4.14/220-gc_sections.patch target/linux/generic/hack-4.14/321-powerpc_crtsavres_prereq.patch target/linux/generic/pending-4.14/305-mips_module_reloc.patch target/linux/generic/pending-4.14/611-netfilter_match_bypass_default_table.patch target/linux/generic/pending-4.14/680-NET-skip-GRO-for-foreign-MAC-addresses.patch Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
Diffstat (limited to 'target/linux/generic/pending-4.14/612-netfilter_match_reduce_memory_access.patch')
-rw-r--r--target/linux/generic/pending-4.14/612-netfilter_match_reduce_memory_access.patch22
1 files changed, 22 insertions, 0 deletions
diff --git a/target/linux/generic/pending-4.14/612-netfilter_match_reduce_memory_access.patch b/target/linux/generic/pending-4.14/612-netfilter_match_reduce_memory_access.patch
new file mode 100644
index 0000000000..183c74c1c7
--- /dev/null
+++ b/target/linux/generic/pending-4.14/612-netfilter_match_reduce_memory_access.patch
@@ -0,0 +1,22 @@
+From: Felix Fietkau <nbd@nbd.name>
+Subject: netfilter: reduce match memory access
+
+Signed-off-by: Felix Fietkau <nbd@nbd.name>
+---
+ net/ipv4/netfilter/ip_tables.c | 4 ++--
+ 1 file changed, 2 insertions(+), 2 deletions(-)
+
+--- a/net/ipv4/netfilter/ip_tables.c
++++ b/net/ipv4/netfilter/ip_tables.c
+@@ -55,9 +55,9 @@ ip_packet_match(const struct iphdr *ip,
+ if (ipinfo->flags & IPT_F_NO_DEF_MATCH)
+ return true;
+
+- if (NF_INVF(ipinfo, IPT_INV_SRCIP,
++ if (NF_INVF(ipinfo, IPT_INV_SRCIP, ipinfo->smsk.s_addr &&
+ (ip->saddr & ipinfo->smsk.s_addr) != ipinfo->src.s_addr) ||
+- NF_INVF(ipinfo, IPT_INV_DSTIP,
++ NF_INVF(ipinfo, IPT_INV_DSTIP, ipinfo->dmsk.s_addr &&
+ (ip->daddr & ipinfo->dmsk.s_addr) != ipinfo->dst.s_addr))
+ return false;
+