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Alexei Starovoitov 50bbfed967 bpf: track stack depth of classic bpf programs 
To track stack depth of classic bpf programs we only need
to analyze ST|STX instructions, since check_load_and_stores()
verifies that programs can load from stack only after write.

We also need to change the way cBPF stack slots map to eBPF stack,
since typical classic programs are using slots 0 and 1, so they
need to map to stack offsets -4 and -8 respectively in order
to take advantage of small stack interpreter and JITs.

Signed-off-by: Alexei Starovoitov <ast@kernel.org>
Acked-by: Daniel Borkmann <daniel@iogearbox.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
2017-05-31 19:29:47 -04:00
..
6lowpan 6lowpan: Don't set IFF_NO_QUEUE 2017-04-12 22:02:40 +02:00
9p xen: fixes for 4.12 rc2 2017-05-19 15:06:48 -07:00
802 Replace <asm/uaccess.h> with <linux/uaccess.h> globally 2016-12-24 11:46:01 -08:00
8021q vlan: Keep NETIF_F_HW_CSUM similar to other software devices 2017-05-08 14:39:19 -04:00
appletalk lib/vsprintf.c: remove %Z support 2017-02-27 18:43:47 -08:00
atm neighbour: fix nlmsg_pid in notifications 2017-03-22 10:48:49 -07:00
ax25 net: Work around lockdep limitation in sockets that use sockets 2017-03-09 18:23:27 -08:00
batman-adv This feature/cleanup patchset includes the following patches: 2017-04-06 14:37:50 -07:00
bluetooth Bluetooth: Delete error messages for failed memory allocations in two functions 2017-05-22 10:23:41 +02:00
bpf bpf: Align packet data properly in program testing framework. 2017-05-02 11:46:28 -04:00
bridge bridge: Export multicast enabled state 2017-05-26 15:18:44 -04:00
caif net: socket: mark socket protocol handler structs as const 2017-05-16 11:54:07 -04:00
can can: fix CAN BCM build with CONFIG_PROC_FS disabled 2017-04-27 09:34:13 +02:00
ceph libceph: cleanup old messages according to reconnect seq 2017-05-24 18:10:51 +02:00
core bpf: track stack depth of classic bpf programs 2017-05-31 19:29:47 -04:00
dcb dcb: enforce minimum length on IEEE_APPS attribute 2017-05-21 13:42:33 -04:00
dccp dccp: do not use tcp_time_stamp 2017-05-17 16:06:01 -04:00
decnet Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2017-05-09 15:42:31 -07:00
dns_resolver Merge branch 'WIP.sched-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip 2017-03-03 10:16:38 -08:00
dsa net: dsa: remove dev arg of dsa_register_switch 2017-05-31 12:35:43 -04:00
ethernet Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/klassert/ipsec-next 2017-02-16 21:25:49 -05:00
hsr netlink: extended ACK reporting 2017-04-13 13:58:20 -04:00
ieee802154 net: ieee802154: fix net_device reference release too early 2017-05-23 20:05:15 +02:00
ife net: Introduce ife encapsulation module 2017-02-03 15:16:45 -05:00
ipv4 net: add extack arg to lwtunnel build state 2017-05-30 11:55:32 -04:00
ipv6 net: add extack arg to lwtunnel build state 2017-05-30 11:55:32 -04:00
ipx ipx: call ipxitf_put() in ioctl error path 2017-05-02 15:34:53 -04:00
irda net: Work around lockdep limitation in sockets that use sockets 2017-03-09 18:23:27 -08:00
iucv net: Work around lockdep limitation in sockets that use sockets 2017-03-09 18:23:27 -08:00
kcm net: socket: mark socket protocol handler structs as const 2017-05-16 11:54:07 -04:00
key af_key: Fix slab-out-of-bounds in pfkey_compile_policy. 2017-05-08 08:03:01 +02:00
l2tp l2tp: remove useless device duplication test in l2tp_eth_create() 2017-04-27 16:32:13 -04:00
l3mdev
lapb Replace <asm/uaccess.h> with <linux/uaccess.h> globally 2016-12-24 11:46:01 -08:00
llc net: llc: add lock_sock in llc_ui_bind to avoid a race condition 2017-05-26 14:20:29 -04:00
mac80211 mac80211: strictly check mesh address extension mode 2017-05-17 14:24:29 +02:00
mac802154 drivers: add explicit interrupt.h includes 2017-03-30 11:05:34 -07:00
mpls net: mpls: remove unnecessary initialization of err 2017-05-30 11:55:33 -04:00
ncsi
netfilter Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2017-05-22 23:32:48 -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 net: Work around lockdep limitation in sockets that use sockets 2017-03-09 18:23:27 -08:00
nfc net: socket: mark socket protocol handler structs as const 2017-05-16 11:54:07 -04:00
openvswitch Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2017-05-22 23:32:48 -04:00
packet net/packet: remove unused parameter in prb_curr_blk_in_use(). 2017-05-25 13:15:11 -04:00
phonet net: rtnetlink: plumb extended ack to doit function 2017-04-17 15:35:38 -04:00
psample net: Introduce psample, a new genetlink channel for packet sampling 2017-01-24 13:44:28 -05:00
qrtr Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2017-04-21 20:23:53 -07:00
rds Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next 2017-05-02 16:40:27 -07:00
rfkill rfkill: remove rfkill-regulator 2017-01-24 11:07:35 +01:00
rose net: Work around lockdep limitation in sockets that use sockets 2017-03-09 18:23:27 -08:00
rxrpc rxrpc: Support network namespacing 2017-05-25 13:15:11 -04:00
sched net_sched: only create filter chains for new filters/actions 2017-05-25 12:15:05 -04:00
sctp Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2017-05-26 20:46:35 -04:00
smc net/smc: Add warning about remote memory exposure 2017-05-16 14:49:43 -04:00
strparser strparser: destroy workqueue on module exit 2017-03-03 20:43:26 -08:00
sunrpc Another RDMA update from Chuck Lever, and a bunch of miscellaneous 2017-05-10 13:29:23 -07:00
switchdev netlink: pass extended ACK struct to parsing functions 2017-04-13 13:58:22 -04:00
tipc tipc: make macro tipc_wait_for_cond() smp safe 2017-05-11 22:19:30 -04:00
unix af_unix: Use designated initializers 2017-04-06 12:43:04 -07:00
vmw_vsock vsock: use new wait API for vsock_stream_sendmsg() 2017-05-22 14:39:36 -04:00
wimax
wireless cfg80211: make cfg80211_sched_scan_results() work from atomic context 2017-05-23 14:36:46 +02:00
x25 net: x25: fix one potential use-after-free issue 2017-05-18 10:05:40 -04:00
xfrm xfrm: fix state migration copy replay sequence numbers 2017-05-19 12:49:13 +02:00
compat.c Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next 2017-02-22 10:15:09 -08:00
Kconfig bpf: make jited programs visible in traces 2017-02-17 13:40:05 -05:00
Makefile bpf: introduce BPF_PROG_TEST_RUN command 2017-04-01 12:45:57 -07:00
socket.c net: socket: fix a typo in sockfd_lookup(). 2017-05-22 12:14:04 -04:00
sysctl_net.c sysctl: Remove dead register_sysctl_root 2017-04-16 23:42:49 -05:00