Alexei Starovoitov 198bf1b046 net: sock: fix access via invalid file descriptor ...

0day robot reported the following crash:
[   21.233581] BUG: unable to handle kernel NULL pointer dereference at 0000000000000007
[   21.234709] IP: [<ffffffff8156ebda>] sk_attach_bpf+0x39/0xc2

It's due to bpf_prog_get() returning ERR_PTR.
Check it properly.

Reported-by: Fengguang Wu <fengguang.wu@intel.com>
Fixes: 89aa075832b0 ("net: sock: allow eBPF programs to be attached to sockets")
Signed-off-by: Alexei Starovoitov <ast@plumgrid.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

2014-12-10 23:34:27 -05:00

..

datagram.c

skb_copy_datagram_iovec() can die

2014-12-09 16:29:11 -05:00

dev_addr_lists.c

net: fix spelling for synchronized

2014-11-18 15:26:32 -05:00

dev_ioctl.c

dev_ioctl: use sizeof(x) instead of sizeof x

2014-11-18 15:27:32 -05:00

dev.c

net: Pull out core bits of __netdev_alloc_skb and add __napi_alloc_skb

2014-12-10 13:31:57 -05:00

drop_monitor.c

net: Replace get_cpu_var through this_cpu_ptr

2014-08-26 13:45:47 -04:00

dst.c

dst: no need to take reference on DST_NOCACHE dsts

2014-12-09 16:08:17 -05:00

ethtool.c

ethtool: Support for configurable RSS hash function

2014-12-08 21:07:10 -05:00

fib_rules.c

net: fix 'ip rule' iif/oif device rename

2014-02-09 19:02:52 -08:00

filter.c

net: sock: fix access via invalid file descriptor

2014-12-10 23:34:27 -05:00

flow_dissector.c

flow-dissector: Fix alignment issue in __skb_flow_get_ports

2014-10-10 15:33:47 -04:00

flow.c

CPU hotplug notifiers registration fixes for 3.15-rc1

2014-04-07 14:55:46 -07:00

gen_estimator.c

net: sched: make bstats per cpu and estimator RCU safe

2014-09-30 01:02:26 -04:00

gen_stats.c

net_sched: fix unused variables in __gnet_stats_copy_basic_cpu()

2014-10-07 00:10:49 -04:00

iovec.c

fold verify_iovec() into copy_msghdr_from_user()

2014-11-19 16:23:49 -05:00

link_watch.c

net/core: include linux/types.h instead of asm/types.h

2014-11-18 15:26:32 -05:00

Makefile

dmaengine-3.17

2014-10-07 20:39:25 -04:00

neighbour.c

neigh: remove dynamic neigh table registration support

2014-11-11 15:23:54 -05:00

net_namespace.c

netns: remove one sparse warning

2014-09-09 20:10:45 -07:00

net-procfs.c

rps: selective flow shedding during softnet overflow

2013-05-20 13:48:04 -07:00

net-sysfs.c

net-sysfs: expose physical switch id for particular device

2014-12-02 20:01:22 -08:00

net-sysfs.h

net: netdev_kobject_init: annotate with __init

2014-01-05 20:27:54 -05:00

net-traces.c

net: Add export.h for EXPORT_SYMBOL/THIS_MODULE to non-modules

2011-10-31 19:30:30 -04:00

netclassid_cgroup.c

cgroup: rename cgroup_subsys->base_cftypes to ->legacy_cftypes

2014-07-15 11:05:09 -04:00

netevent.c

net: Add export.h for EXPORT_SYMBOL/THIS_MODULE to non-modules

2011-10-31 19:30:30 -04:00

netpoll.c

vlan: introduce *vlan_hwaccel_push_inside helpers

2014-11-21 14:20:17 -05:00

netprio_cgroup.c

cgroup: rename cgroup_subsys->base_cftypes to ->legacy_cftypes

2014-07-15 11:05:09 -04:00

pktgen.c

net: pktgen: Deletion of an unnecessary check before the function call "proc_remove"

2014-11-19 15:20:15 -05:00

ptp_classifier.c

net: filter: split 'struct sk_filter' into socket and bpf parts

2014-08-02 15:03:58 -07:00

request_sock.c

inet: reduce TLB pressure for listeners

2014-06-25 16:37:24 -07:00

rtnetlink.c

Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net

2014-12-10 15:48:20 -05:00

scm.c

net: introduce helper macro for_each_cmsghdr

2014-12-10 22:41:55 -05:00

secure_seq.c

net: use ktime_get_ns() and ktime_get_real_ns() helpers

2014-08-22 19:57:23 -07:00

skbuff.c

net: Pull out core bits of __netdev_alloc_skb and add __napi_alloc_skb

2014-12-10 13:31:57 -05:00

sock_diag.c

net: filter: split 'struct sk_filter' into socket and bpf parts

2014-08-02 15:03:58 -07:00

sock.c

net: sock: allow eBPF programs to be attached to sockets

2014-12-05 21:47:32 -08:00

stream.c

net: replace macros net_random and net_srandom with direct calls to prandom

2014-01-14 15:15:25 -08:00

sysctl_net_core.c

net: provide a per host RSS key generic infrastructure

2014-11-16 15:59:11 -05:00

timestamping.c

net-timestamp: Make the clone operation stand-alone from phy timestamping

2014-09-05 17:43:45 -07:00

tso.c

net: tso: fix unaligned access to crafted TCP header in helper API

2014-10-22 12:52:55 -04:00

utils.c

net: Convert LIMIT_NETDEBUG to net_dbg_ratelimited

2014-11-11 14:10:31 -05:00