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d1f496fd8f
linux/net
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Eric Dumazet d1f496fd8f bpf: restore skb->sk before pskb_trim() call 
While testing a fix [1] in ___pskb_trim(), addressing the WARN_ON_ONCE()
in skb_try_coalesce() reported by Andrey, I found that we had an skb
with skb->sk set but no skb->destructor.

This invalidated heuristic found in commit 158f323b98 ("net: adjust
skb->truesize in pskb_expand_head()") and in cited patch.

Considering the BUG_ON(skb->sk) we have in skb_orphan(), we should
restrain the temporary setting to a minimal section.

[1] https://patchwork.ozlabs.org/patch/755570/
    net: adjust skb->truesize in ___pskb_trim()

Fixes: 8f917bba00 ("bpf: pass sk to helper functions")
Signed-off-by: Eric Dumazet <edumazet@google.com>
Cc: Willem de Bruijn <willemb@google.com>
Cc: Andrey Konovalov <andreyknvl@google.com>
Acked-by: Daniel Borkmann <daniel@iogearbox.net>
Acked-by: Alexei Starovoitov <ast@kernel.org>
Acked-by: Willem de Bruijn <willemb@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2017-04-30 22:23:16 -04:00
..
6lowpan 6lowpan: Don't set IFF_NO_QUEUE 2017-04-12 22:02:40 +02:00
9p
802
8021q netlink: pass extended ACK struct to parsing functions 2017-04-13 13:58:22 -04:00
appletalk
atm
ax25
batman-adv This feature/cleanup patchset includes the following patches: 2017-04-06 14:37:50 -07:00
bluetooth bluetooth: Do not set IFF_POINTOPOINT 2017-04-12 22:02:41 +02:00
bpf bpf: introduce BPF_PROG_TEST_RUN command 2017-04-01 12:45:57 -07:00
bridge bridge: add per-port broadcast flood flag 2017-04-27 16:34:29 -04:00
caif
can can: network namespace support for CAN gateway 2017-04-25 09:04:30 +02:00
ceph
core bpf: restore skb->sk before pskb_trim() call 2017-04-30 22:23:16 -04:00
dcb net: rtnetlink: plumb extended ack to doit function 2017-04-17 15:35:38 -04:00
dccp
decnet net: rtnetlink: plumb extended ack to doit function 2017-04-17 15:35:38 -04:00
dns_resolver
dsa net: dsa: Remove redundant NULL dst check 2017-04-21 10:41:24 -04:00
ethernet
hsr netlink: extended ACK reporting 2017-04-13 13:58:20 -04:00
ieee802154 netlink: pass extended ACK struct where available 2017-04-13 13:58:22 -04:00
ife
ipv4 Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/klassert/ipsec-next 2017-04-28 15:43:24 -04:00
ipv6 Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/klassert/ipsec-next 2017-04-28 15:43:24 -04:00
ipx
irda
iucv
kcm kcm: remove a useless copy_from_user() 2017-04-17 13:28:48 -04:00
key Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2017-04-21 20:23:53 -07:00
l2tp l2tp: remove useless device duplication test in l2tp_eth_create() 2017-04-27 16:32:13 -04:00
l3mdev
lapb
llc
mac80211 cfg80211: add request id to cfg80211_sched_scan_*() api 2017-04-28 14:51:43 +02:00
mac802154 drivers: add explicit interrupt.h includes 2017-03-30 11:05:34 -07:00
mpls net: rtnetlink: plumb extended ack to doit function 2017-04-17 15:35:38 -04:00
ncsi
netfilter Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2017-04-15 21:16:30 -04:00
netlabel netlink: pass extended ACK struct to parsing functions 2017-04-13 13:58:22 -04:00
netlink netlink: pass extended ACK struct where available 2017-04-13 13:58:22 -04:00
netrom
nfc NFC 4.12 pull request 2017-04-21 15:29:40 -04:00
openvswitch openvswitch: Add eventmask support to CT action. 2017-04-24 13:53:25 -04:00
packet Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2017-04-26 22:39:08 -04:00
phonet net: rtnetlink: plumb extended ack to doit function 2017-04-17 15:35:38 -04:00
psample
qrtr Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2017-04-21 20:23:53 -07:00
rds rds: tcp: canonical connection order for all paths with index > 0 2017-04-02 19:41:00 -07:00
rfkill
rose
rxrpc rxrpc: Trace client call connection 2017-04-06 11:10:41 +01:00
sched net sched actions: Complete the JUMPX opcode 2017-04-25 11:30:06 -04:00
sctp sctp: process duplicated strreset asoc request correctly 2017-04-18 13:39:50 -04:00
smc net/smc: do not use IB_SEND_INLINE together with mapped data 2017-04-11 23:01:14 -04:00
strparser
sunrpc The restriction of NFSv4 to TCP went overboard and also broke the 2017-04-01 10:43:37 -07:00
switchdev netlink: pass extended ACK struct to parsing functions 2017-04-13 13:58:22 -04:00
tipc Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2017-04-26 22:39:08 -04:00
unix af_unix: Use designated initializers 2017-04-06 12:43:04 -07:00
vmw_vsock VSOCK: Add virtio vsock vsockmon hooks 2017-04-24 12:35:56 -04:00
wimax
wireless cfg80211: add request id to cfg80211_sched_scan_*() api 2017-04-28 14:51:43 +02:00
x25
xfrm Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/klassert/ipsec-next 2017-04-21 15:11:28 -04:00
compat.c
Kconfig
Makefile bpf: introduce BPF_PROG_TEST_RUN command 2017-04-01 12:45:57 -07:00
socket.c l2tp: device MTU setup, tunnel socket needs a lock 2017-04-17 13:01:48 -04:00
sysctl_net.c