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hannes@stressinduktion.org f60e5990d9 ipv6: protect skb->sk accesses from recursive dereference inside the stack ... We should not consult skb->sk for output decisions in xmit recursion levels > 0 in the stack. Otherwise local socket settings could influence the result of e.g. tunnel encapsulation process. ipv6 does not conform with this in three places: 1) ip6_fragment: we do consult ipv6_npinfo for frag_size 2) sk_mc_loop in ipv6 uses skb->sk and checks if we should loop the packet back to the local socket 3) ip6_skb_dst_mtu could query the settings from the user socket and force a wrong MTU Furthermore: In sk_mc_loop we could potentially land in WARN_ON(1) if we use a PF_PACKET socket ontop of an IPv6-backed vxlan device. Reuse xmit_recursion as we are currently only interested in protecting tunnel devices. Cc: Jiri Pirko <jiri@resnulli.us> Signed-off-by: Hannes Frederic Sowa <hannes@stressinduktion.org> Signed-off-by: David S. Miller <davem@davemloft.net>		10 years ago
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Makefile	net: bury net/core/iovec.c - nothing in there is used anymore	10 years ago
datagram.c	skb_copy_datagram_iovec() can die	10 years ago
dev.c	ipv6: protect skb->sk accesses from recursive dereference inside the stack	10 years ago
dev_addr_lists.c	net: fix spelling for synchronized	10 years ago
dev_ioctl.c	dev_ioctl: use sizeof(x) instead of sizeof x	10 years ago
drop_monitor.c	net: Replace get_cpu_var through this_cpu_ptr	11 years ago
dst.c	dst: no need to take reference on DST_NOCACHE dsts	10 years ago
ethtool.c	ethtool: Add hw-switch-offload to netdev_features_strings.	10 years ago
fib_rules.c	net: move fib_rules_unregister() under rtnl lock	10 years ago
filter.c	net: spelling fixes	10 years ago
flow.c	flowcache: Fix kernel panic in flow_cache_flush_task	10 years ago
flow_dissector.c	xps: fix xps for stacked devices	10 years ago
gen_estimator.c	net: sched: make bstats per cpu and estimator RCU safe	11 years ago
gen_stats.c	gen_stats.c: Duplicate xstats buffer for later use	10 years ago
link_watch.c	net/core: include linux/types.h instead of asm/types.h	10 years ago
neighbour.c	netlink: Fix bugs in nlmsg_end() conversions.	10 years ago
net-procfs.c	rps: selective flow shedding during softnet overflow	12 years ago
net-sysfs.c	net: use %*pb[l] to print bitmaps including cpumasks and nodemasks	10 years ago
net-sysfs.h	net: netdev_kobject_init: annotate with __init	11 years ago
net-traces.c	…
net_namespace.c	netns: don't allocate an id for dead netns	10 years ago
netclassid_cgroup.c	cgroup: rename cgroup_subsys->base_cftypes to ->legacy_cftypes	11 years ago
netevent.c	…
netpoll.c	net: rename vlan_tx_* helpers since "tx" is misleading there	10 years ago
netprio_cgroup.c	cgroup: rename cgroup_subsys->base_cftypes to ->legacy_cftypes	11 years ago
pktgen.c	net: pktgen: disable xmit_clone on virtual devices	10 years ago
ptp_classifier.c	net: filter: split 'struct sk_filter' into socket and bpf parts	11 years ago
request_sock.c	inet: reduce TLB pressure for listeners	11 years ago
rtnetlink.c	net: use for_each_netdev_safe() in rtnl_group_changelink()	10 years ago
scm.c	net: introduce helper macro for_each_cmsghdr	10 years ago
secure_seq.c	net: use ktime_get_ns() and ktime_get_real_ns() helpers	11 years ago
skbuff.c	sock: fix possible NULL sk dereference in __skb_tstamp_tx	10 years ago
sock.c	ipv6: protect skb->sk accesses from recursive dereference inside the stack	10 years ago
sock_diag.c	net: filter: split 'struct sk_filter' into socket and bpf parts	11 years ago
stream.c	net: replace macros net_random and net_srandom with direct calls to prandom	11 years ago
sysctl_net_core.c	net: sysctl_net_core: check SNDBUF and RCVBUF for min length	10 years ago
timestamping.c	net-timestamp: Make the clone operation stand-alone from phy timestamping	11 years ago
tso.c	net: tso: fix unaligned access to crafted TCP header in helper API	10 years ago
utils.c	net: Convert LIMIT_NETDEBUG to net_dbg_ratelimited	10 years ago