| Commit message (Collapse) | Author | Age |
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It appears that TCP checksum offloading has been broken for
Q-in-Q vlans. The behavior was execerbated by the
series
commit afb0bc972b52 ("Merge branch 'stacked_vlan_tso'")
that that enabled accleleration features on stacked vlans.
However, event without that series, it is possible to trigger
this issue. It just requires a lot more specialized configuration.
The root cause is the interaction between how
netdev_intersect_features() works, the features actually set on
the vlan devices and HW having the ability to run checksum with
longer headers.
The issue starts when netdev_interesect_features() replaces
NETIF_F_HW_CSUM with a combination of NETIF_F_IP_CSUM | NETIF_F_IPV6_CSUM,
if the HW advertises IP|IPV6 specific checksums. This happens
for tagged and multi-tagged packets. However, HW that enables
IP|IPV6 checksum offloading doesn't gurantee that packets with
arbitrarily long headers can be checksummed.
This patch disables IP|IPV6 checksums on the packet for multi-tagged
packets.
CC: Toshiaki Makita <makita.toshiaki@lab.ntt.co.jp>
CC: Michal Kubecek <mkubecek@suse.cz>
Signed-off-by: Vladislav Yasevich <vyasevic@redhat.com>
Acked-by: Toshiaki Makita <makita.toshiaki@lab.ntt.co.jp>
Signed-off-by: David S. Miller <davem@davemloft.net>
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The 88m1101 has an errata when configuring autoneg. However, it was
being applied to many other Marvell PHYs as well. Limit its scope to
just the 88m1101.
Fixes: 76884679c644 ("phylib: Add support for Marvell 88e1111S and 88e1145")
Reported-by: Daniel Walker <danielwa@cisco.com>
Signed-off-by: Andrew Lunn <andrew@lunn.ch>
Acked-by: Harini Katakam <harinik@xilinx.com>
Reviewed-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Fix build errors by making this driver depend on OF_MDIO, like
several other similar drivers do.
drivers/built-in.o: In function `octeon_mdiobus_remove':
mdio-octeon.c:(.text+0x196ee0): undefined reference to `mdiobus_unregister'
mdio-octeon.c:(.text+0x196ee8): undefined reference to `mdiobus_free'
drivers/built-in.o: In function `octeon_mdiobus_probe':
mdio-octeon.c:(.text+0x196f1d): undefined reference to `devm_mdiobus_alloc_size'
mdio-octeon.c:(.text+0x196ffe): undefined reference to `of_mdiobus_register'
mdio-octeon.c:(.text+0x197010): undefined reference to `mdiobus_free'
Signed-off-by: Randy Dunlap <rdunlap@infradead.org>
Cc: Andrew Lunn <andrew@lunn.ch>
Cc: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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git://git.kernel.org/pub/scm/linux/kernel/git/saeed/linux
Saeed Mahameed says:
====================
mlx5-fixes-2017-05-23
Some TC offloads fixes from Or Gerlitz.
From Erez, mlx5 IPoIB RX fix to improve GRO.
From Mohamad, Command interface fix to improve mitigation against FW
commands timeouts.
From Tariq, Driver load Tolerance against affinity settings failures.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
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Add tolerance to failures of irq_set_affinity_hint().
Its role is to give hints that optimizes performance,
and should not block the driver load.
In non-SMP systems, functionality is not available as
there is a single core, and all these calls definitely
fail. Hence, do not call the function and avoid the
warning prints.
Fixes: db058a186f98 ("net/mlx5_core: Set irq affinity hints")
Signed-off-by: Tariq Toukan <tariqt@mellanox.com>
Cc: kernel-team@fb.com
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
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Currently when firmware command gets stuck or it takes long time to
complete, the driver command will get timeout and the command slot is
freed and can be used for new commands, and if the firmware receive new
command on the old busy slot its behavior is unexpected and this could
be harmful.
To fix this when the driver command gets timeout we return failure,
but we don't free the command slot and we wait for the firmware to
explicitly respond to that command.
Once all the entries are busy we will stop processing new firmware
commands.
Fixes: 9cba4ebcf374 ('net/mlx5: Fix potential deadlock in command mode change')
Signed-off-by: Mohamad Haj Yahia <mohamad@mellanox.com>
Cc: kernel-team@fb.com
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
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IPoIB packet contains the pseudo header area, we need to pull it prior
to reset_mac_header in order to let the GRO work well.
In more details:
GRO checks the mac address of the new coming packet, it does that by
comparing the hard_header_len size of the current packet to the previous
one in that session, the comparison is over hard_header_len size.
Now, the driver prepares that area in the skb by allocating area from the
reserved part and resetting the correct mac header to it.
Fixes: 9d6bd752c63c ("net/mlx5e: IPoIB, RX handler")
Signed-off-by: Erez Shitrit <erezsh@mellanox.com>
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
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The sparse tool emits these correct complaints:
drivers/net/ethernet/mellanox/mlx5/core//en_tc.c:1005:25: warning: cast to restricted __be32
drivers/net/ethernet/mellanox/mlx5/core//en_tc.c:1007:25: warning: cast to restricted __be16
The value is provided from user-space in network order, but there's
no way for them to realize that, avoid the warnings by casting to the
appropriate type.
Fixes: d79b6df6b10a ('net/mlx5e: Add parsing of TC pedit actions to HW format')
Signed-off-by: Or Gerlitz <ogerlitz@mellanox.com>
Reported-by: Leon Romanovsky <leonro@mellanox.com>
Reviewed-by: Paul Blakey <paulb@mellanox.com>
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
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Currently we don't support partial header re-writes through TC pedit
action offloading. However, the code that enforces that wasn't err-ing
on cases where the first and last bits of the mask are set but there is
some zero bit between them, such as in the below example, fix that!
tc filter add dev enp1s0 protocol ip parent ffff: prio 10 flower
ip_proto udp dst_port 2001 skip_sw
action pedit munge ip src set 1.0.0.1 retain 0xff0000ff
Fixes: d79b6df6b10a ('net/mlx5e: Add parsing of TC pedit actions to HW format')
Signed-off-by: Or Gerlitz <ogerlitz@mellanox.com>
Reviewed-by: Paul Blakey <paulb@mellanox.com>
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
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When offloading header re-writes, the HW re-calculates the relevant L3/L4
checksums. Hence, when upper layers (as done by OVS) ask for TC checksum action
offload together with pedit offload, don't err. This command now works:
tc filter add dev ens1f0 protocol ip parent ffff: prio 20 flower skip_sw
ip_proto tcp dst_port 9001
action pedit ex munge tcp dport set 0x1234 pipe
action csum tcp
Signed-off-by: Or Gerlitz <ogerlitz@mellanox.com>
Reported-by: Paul Blakey <paulb@mellanox.com>
Reviewed-by: Paul Blakey <paulb@mellanox.com>
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
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Add the accessors for realizing if this is a csum action,
and for which fields checksum is needed.
Signed-off-by: Or Gerlitz <ogerlitz@mellanox.com>
Reviewed-by: Paul Blakey <paulb@mellanox.com>
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
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We wrongly direcly invoke hlist_del_rcu() and not hash_del_rcu() which
does a slightly different call now and may change later, fix that.
Fixes: a54e20b4fcae ('net/mlx5e: Add basic TC tunnel set action for SRIOV offloads')
Signed-off-by: Or Gerlitz <ogerlitz@mellanox.com>
Reported-by: Paul Blakey <paulb@mellanox.com>
Reviewed-by: Paul Blakey <paulb@mellanox.com>
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/jberg/mac80211
Johannes Berg says:
====================
Just two fixes this time:
* fix the scheduled scan "BUG: scheduling while atomic"
* check mesh address extension flags more strictly
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
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Drivers should be able to call cfg80211_sched_scan_results() from atomic
context. However, with the introduction of multiple scheduled scan feature
this requirement was not taken into account resulting in regression shown
below.
[ 119.021594] BUG: scheduling while atomic: irq/47-iwlwifi/517/0x00000200
[ 119.021604] Modules linked in: [...]
[ 119.021759] CPU: 1 PID: 517 Comm: irq/47-iwlwifi Not tainted 4.12.0-rc2-t440s-20170522+ #1
[ 119.021763] Hardware name: LENOVO 20AQS03H00/20AQS03H00, BIOS GJET91WW (2.41 ) 09/21/2016
[ 119.021766] Call Trace:
[ 119.021778] ? dump_stack+0x5c/0x84
[ 119.021784] ? __schedule_bug+0x4c/0x70
[ 119.021792] ? __schedule+0x496/0x5c0
[ 119.021798] ? schedule+0x2d/0x80
[ 119.021804] ? schedule_preempt_disabled+0x5/0x10
[ 119.021810] ? __mutex_lock.isra.0+0x18e/0x4c0
[ 119.021817] ? __wake_up+0x2f/0x50
[ 119.021833] ? cfg80211_sched_scan_results+0x19/0x60 [cfg80211]
[ 119.021844] ? cfg80211_sched_scan_results+0x19/0x60 [cfg80211]
[ 119.021859] ? iwl_mvm_rx_lmac_scan_iter_complete_notif+0x17/0x30 [iwlmvm]
[ 119.021869] ? iwl_pcie_rx_handle+0x2a9/0x7e0 [iwlwifi]
[ 119.021878] ? iwl_pcie_irq_handler+0x17c/0x730 [iwlwifi]
[ 119.021884] ? irq_forced_thread_fn+0x60/0x60
[ 119.021887] ? irq_thread_fn+0x16/0x40
[ 119.021892] ? irq_thread+0x109/0x180
[ 119.021896] ? wake_threads_waitq+0x30/0x30
[ 119.021901] ? kthread+0xf2/0x130
[ 119.021905] ? irq_thread_dtor+0x90/0x90
[ 119.021910] ? kthread_create_on_node+0x40/0x40
[ 119.021915] ? ret_from_fork+0x26/0x40
Fixes: b34939b98369 ("cfg80211: add request id to cfg80211_sched_scan_*() api")
Reported-by: Sander Eikelenboom <linux@eikelenboom.it>
Signed-off-by: Arend van Spriel <arend.vanspriel@broadcom.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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Mesh forwarding path checks for address extension mode to fetch
appropriate proxied address and MPP address. Existing condition
that looks for 6 address format is not strict enough so that
frames with improper values are processed and invalid entries
are added into MPP table. Fix that by adding a stricter check before
processing the packet.
Per IEEE Std 802.11s-2011 spec. Table 7-6g1 lists address extension
mode 0x3 as reserved one. And also Table Table 9-13 does not specify
0x3 as valid address field.
Fixes: 9b395bc3be1c ("mac80211: verify that skb data is present")
Signed-off-by: Rajkumar Manoharan <rmanohar@qti.qualcomm.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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rtnl_fdb_dump() failed to check the result of nlmsg_parse(), which led
to contents of |ifm| being uninitialized because nlh->nlmsglen was too
small to accommodate |ifm|. The uninitialized data may affect some
branches and result in unwanted effects, although kernel data doesn't
seem to leak to the userspace directly.
The bug has been detected with KMSAN and syzkaller.
For the record, here is the KMSAN report:
==================================================================
BUG: KMSAN: use of unitialized memory in rtnl_fdb_dump+0x5dc/0x1000
CPU: 0 PID: 1039 Comm: probe Not tainted 4.11.0-rc5+ #2727
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Bochs 01/01/2011
Call Trace:
__dump_stack lib/dump_stack.c:16
dump_stack+0x143/0x1b0 lib/dump_stack.c:52
kmsan_report+0x12a/0x180 mm/kmsan/kmsan.c:1007
__kmsan_warning_32+0x66/0xb0 mm/kmsan/kmsan_instr.c:491
rtnl_fdb_dump+0x5dc/0x1000 net/core/rtnetlink.c:3230
netlink_dump+0x84f/0x1190 net/netlink/af_netlink.c:2168
__netlink_dump_start+0xc97/0xe50 net/netlink/af_netlink.c:2258
netlink_dump_start ./include/linux/netlink.h:165
rtnetlink_rcv_msg+0xae9/0xb40 net/core/rtnetlink.c:4094
netlink_rcv_skb+0x339/0x5a0 net/netlink/af_netlink.c:2339
rtnetlink_rcv+0x83/0xa0 net/core/rtnetlink.c:4110
netlink_unicast_kernel net/netlink/af_netlink.c:1272
netlink_unicast+0x13b7/0x1480 net/netlink/af_netlink.c:1298
netlink_sendmsg+0x10b8/0x10f0 net/netlink/af_netlink.c:1844
sock_sendmsg_nosec net/socket.c:633
sock_sendmsg net/socket.c:643
___sys_sendmsg+0xd4b/0x10f0 net/socket.c:1997
__sys_sendmsg net/socket.c:2031
SYSC_sendmsg+0x2c6/0x3f0 net/socket.c:2042
SyS_sendmsg+0x87/0xb0 net/socket.c:2038
do_syscall_64+0x102/0x150 arch/x86/entry/common.c:285
entry_SYSCALL64_slow_path+0x25/0x25 arch/x86/entry/entry_64.S:246
RIP: 0033:0x401300
RSP: 002b:00007ffc3b0e6d58 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
RAX: ffffffffffffffda RBX: 00000000004002b0 RCX: 0000000000401300
RDX: 0000000000000000 RSI: 00007ffc3b0e6d80 RDI: 0000000000000003
RBP: 00007ffc3b0e6e00 R08: 000000000000000b R09: 0000000000000004
R10: 000000000000000d R11: 0000000000000246 R12: 0000000000000000
R13: 00000000004065a0 R14: 0000000000406630 R15: 0000000000000000
origin: 000000008fe00056
save_stack_trace+0x59/0x60 arch/x86/kernel/stacktrace.c:59
kmsan_save_stack_with_flags mm/kmsan/kmsan.c:352
kmsan_internal_poison_shadow+0xb1/0x1a0 mm/kmsan/kmsan.c:247
kmsan_poison_shadow+0x6d/0xc0 mm/kmsan/kmsan.c:260
slab_alloc_node mm/slub.c:2743
__kmalloc_node_track_caller+0x1f4/0x390 mm/slub.c:4349
__kmalloc_reserve net/core/skbuff.c:138
__alloc_skb+0x2cd/0x740 net/core/skbuff.c:231
alloc_skb ./include/linux/skbuff.h:933
netlink_alloc_large_skb net/netlink/af_netlink.c:1144
netlink_sendmsg+0x934/0x10f0 net/netlink/af_netlink.c:1819
sock_sendmsg_nosec net/socket.c:633
sock_sendmsg net/socket.c:643
___sys_sendmsg+0xd4b/0x10f0 net/socket.c:1997
__sys_sendmsg net/socket.c:2031
SYSC_sendmsg+0x2c6/0x3f0 net/socket.c:2042
SyS_sendmsg+0x87/0xb0 net/socket.c:2038
do_syscall_64+0x102/0x150 arch/x86/entry/common.c:285
return_from_SYSCALL_64+0x0/0x6a arch/x86/entry/entry_64.S:246
==================================================================
and the reproducer:
==================================================================
#include <sys/socket.h>
#include <net/if_arp.h>
#include <linux/netlink.h>
#include <stdint.h>
int main()
{
int sock = socket(PF_NETLINK, SOCK_DGRAM | SOCK_NONBLOCK, 0);
struct msghdr msg;
memset(&msg, 0, sizeof(msg));
char nlmsg_buf[32];
memset(nlmsg_buf, 0, sizeof(nlmsg_buf));
struct nlmsghdr *nlmsg = nlmsg_buf;
nlmsg->nlmsg_len = 0x11;
nlmsg->nlmsg_type = 0x1e; // RTM_NEWROUTE = RTM_BASE + 0x0e
// type = 0x0e = 1110b
// kind = 2
nlmsg->nlmsg_flags = 0x101; // NLM_F_ROOT | NLM_F_REQUEST
nlmsg->nlmsg_seq = 0;
nlmsg->nlmsg_pid = 0;
nlmsg_buf[16] = (char)7;
struct iovec iov;
iov.iov_base = nlmsg_buf;
iov.iov_len = 17;
msg.msg_iov = &iov;
msg.msg_iovlen = 1;
sendmsg(sock, &msg, 0);
return 0;
}
==================================================================
Signed-off-by: Alexander Potapenko <glider@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Some PHY require to wait for a bit after the reset GPIO has been
toggled. This adds support for the DT property `phy-reset-post-delay`
which gives the delay in milliseconds to wait after reset.
If the DT property is not given, no delay is observed. Post reset delay
greater than 1000ms are invalid.
Signed-off-by: Quentin Schulz <quentin.schulz@free-electrons.com>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Acked-by: Fugang Duan <fugang.duan@nxp.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Xin Long says:
====================
sctp: a bunch of fixes for processing dupcookie
After introducing transport hashtable and per stream info into sctp,
some regressions were caused when processing dupcookie, this patchset
is to fix them.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
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After sctp changed to use transport hashtable, a transport would be
added into global hashtable when adding the peer to an asoc, then
the asoc can be got by searching the transport in the hashtbale.
The problem is when processing dupcookie in sctp_sf_do_5_2_4_dupcook,
a new asoc would be created. A peer with the same addr and port as
the one in the old asoc might be added into the new asoc, but fail
to be added into the hashtable, as they also belong to the same sk.
It causes that sctp's dupcookie processing can not really work.
Since the new asoc will be freed after copying it's information to
the old asoc, it's more like a temp asoc. So this patch is to fix
it by setting it as a temp asoc to avoid adding it's any transport
into the hashtable and also avoid allocing assoc_id.
An extra thing it has to do is to also alloc stream info for any
temp asoc, as sctp dupcookie process needs it to update old asoc.
But I don't think it would hurt something, as a temp asoc would
always be freed after finishing processing cookie echo packet.
Reported-by: Jianwen Ji <jiji@redhat.com>
Signed-off-by: Xin Long <lucien.xin@gmail.com>
Acked-by: Neil Horman <nhorman@tuxdriver.com>
Acked-by: Vlad Yasevich <vyasevich@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Since commit 3dbcc105d556 ("sctp: alloc stream info when initializing
asoc"), stream and stream.out info are always alloced when creating
an asoc.
So it's not correct to check !asoc->stream before updating stream
info when processing dupcookie, but would be better to check asoc
state instead.
Fixes: 3dbcc105d556 ("sctp: alloc stream info when initializing asoc")
Signed-off-by: Xin Long <lucien.xin@gmail.com>
Acked-by: Neil Horman <nhorman@tuxdriver.com>
Acked-by: Vlad Yasevich <vyasevich@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Masks for extracting part of the Completion Queue Entry (CQE)
field rss_hash_type was swapped, namely CQE_RSS_HTYPE_IP and
CQE_RSS_HTYPE_L4.
The bug resulted in setting skb->l4_hash, even-though the
rss_hash_type indicated that hash was NOT computed over the
L4 (UDP or TCP) part of the packet.
Added comments from the datasheet, to make it more clear what
these masks are selecting.
Signed-off-by: Jesper Dangaard Brouer <brouer@redhat.com>
Acked-by: Saeed Mahameed <saeedm@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Some devices need their multicast filter reset but others are crashed by that.
So the methods need to be separated.
Signed-off-by: Oliver Neukum <oneukum@suse.com>
Reported-by: "Ridgway, Keith" <kridgway@harris.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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git://git.kernel.org/pub/scm/linux/kernel/git/klassert/ipsec
Steffen Klassert says:
====================
pull request (net): ipsec 2017-05-23
1) Fix wrong header offset for esp4 udpencap packets.
2) Fix a stack access out of bounds when creating a bundle
with sub policies. From Sabrina Dubroca.
3) Fix slab-out-of-bounds in pfkey due to an incorrect
sadb_x_sec_len calculation.
4) We checked the wrong feature flags when taking down
an interface with IPsec offload enabled.
Fix from Ilan Tayari.
5) Copy the anti replay sequence numbers when doing a state
migration, otherwise we get out of sync with the sequence
numbers. Fix from Antony Antony.
Please pull or let me know if there are problems.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
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During xfrm migration copy replay and preplay sequence numbers
from the previous state.
Here is a tcpdump output showing the problem.
10.0.10.46 is running vanilla kernel, is the IKE/IPsec responder.
After the migration it sent wrong sequence number, reset to 1.
The migration is from 10.0.0.52 to 10.0.0.53.
IP 10.0.0.52.4500 > 10.0.10.46.4500: UDP-encap: ESP(spi=0x43ef462d,seq=0x7cf), length 136
IP 10.0.10.46.4500 > 10.0.0.52.4500: UDP-encap: ESP(spi=0xca1c282d,seq=0x7cf), length 136
IP 10.0.0.52.4500 > 10.0.10.46.4500: UDP-encap: ESP(spi=0x43ef462d,seq=0x7d0), length 136
IP 10.0.10.46.4500 > 10.0.0.52.4500: UDP-encap: ESP(spi=0xca1c282d,seq=0x7d0), length 136
IP 10.0.0.53.4500 > 10.0.10.46.4500: NONESP-encap: isakmp: child_sa inf2[I]
IP 10.0.10.46.4500 > 10.0.0.53.4500: NONESP-encap: isakmp: child_sa inf2[R]
IP 10.0.0.53.4500 > 10.0.10.46.4500: NONESP-encap: isakmp: child_sa inf2[I]
IP 10.0.10.46.4500 > 10.0.0.53.4500: NONESP-encap: isakmp: child_sa inf2[R]
IP 10.0.0.53.4500 > 10.0.10.46.4500: UDP-encap: ESP(spi=0x43ef462d,seq=0x7d1), length 136
NOTE: next sequence is wrong 0x1
IP 10.0.10.46.4500 > 10.0.0.53.4500: UDP-encap: ESP(spi=0xca1c282d,seq=0x1), length 136
IP 10.0.0.53.4500 > 10.0.10.46.4500: UDP-encap: ESP(spi=0x43ef462d,seq=0x7d2), length 136
IP 10.0.10.46.4500 > 10.0.0.53.4500: UDP-encap: ESP(spi=0xca1c282d,seq=0x2), length 136
Signed-off-by: Antony Antony <antony@phenome.org>
Reviewed-by: Richard Guy Briggs <rgb@tricolour.ca>
Signed-off-by: Steffen Klassert <steffen.klassert@secunet.com>
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Upon NETDEV_DOWN event, all xfrm_state objects which are bound to
the device are flushed.
The condition for this is wrong, though, testing dev->hw_features
instead of dev->features. If a device has non-user-modifiable
NETIF_F_HW_ESP, then its xfrm_state objects are not flushed,
causing a crash later on after the device is deleted.
Check dev->features instead of dev->hw_features.
Fixes: d77e38e612a0 ("xfrm: Add an IPsec hardware offloading API")
Signed-off-by: Ilan Tayari <ilant@mellanox.com>
Signed-off-by: Steffen Klassert <steffen.klassert@secunet.com>
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The sadb_x_sec_len is stored in the unit 'byte divided by eight'.
So we have to multiply this value by eight before we can do
size checks. Otherwise we may get a slab-out-of-bounds when
we memcpy the user sec_ctx.
Fixes: df71837d502 ("[LSM-IPSec]: Security association restriction.")
Reported-by: Andrey Konovalov <andreyknvl@google.com>
Tested-by: Andrey Konovalov <andreyknvl@google.com>
Signed-off-by: Steffen Klassert <steffen.klassert@secunet.com>
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When CONFIG_XFRM_SUB_POLICY=y, xfrm_dst stores a copy of the flowi for
that dst. Unfortunately, the code that allocates and fills this copy
doesn't care about what type of flowi (flowi, flowi4, flowi6) gets
passed. In multiple code paths (from raw_sendmsg, from TCP when
replying to a FIN, in vxlan, geneve, and gre), the flowi that gets
passed to xfrm is actually an on-stack flowi4, so we end up reading
stuff from the stack past the end of the flowi4 struct.
Since xfrm_dst->origin isn't used anywhere following commit
ca116922afa8 ("xfrm: Eliminate "fl" and "pol" args to
xfrm_bundle_ok()."), just get rid of it. xfrm_dst->partner isn't used
either, so get rid of that too.
Fixes: 9d6ec938019c ("ipv4: Use flowi4 in public route lookup interfaces.")
Signed-off-by: Sabrina Dubroca <sd@queasysnail.net>
Signed-off-by: Steffen Klassert <steffen.klassert@secunet.com>
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Locally generated TCP packets are usually cloned, so we
do skb_cow_data() on this packets. After that we need to
reload the pointer to the esp header. On udpencap this
header has an offset to skb_transport_header, so take this
offset into account.
Fixes: 67d349ed603 ("net/esp4: Fix invalid esph pointer crash")
Fixes: fca11ebde3f0 ("esp4: Reorganize esp_output")
Reported-by: Don Bowman <db@donbowman.ca>
Signed-off-by: Steffen Klassert <steffen.klassert@secunet.com>
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Pull XFS fixes from Darrick Wong:
"A few miscellaneous bug fixes & cleanups:
- Fix indlen block reservation accounting bug when splitting delalloc
extent
- Fix warnings about unused variables that appeared in -rc1.
- Don't spew errors when bmapping a local format directory
- Fix an off-by-one error in a delalloc eof assertion
- Make fsmap only return inode information for CAP_SYS_ADMIN
- Fix a potential mount time deadlock recovering cow extents
- Fix unaligned memory access in _btree_visit_blocks
- Fix various SEEK_HOLE/SEEK_DATA bugs"
* tag 'xfs-4.12-fixes-2' of git://git.kernel.org/pub/scm/fs/xfs/xfs-linux:
xfs: Move handling of missing page into one place in xfs_find_get_desired_pgoff()
xfs: Fix off-by-in in loop termination in xfs_find_get_desired_pgoff()
xfs: Fix missed holes in SEEK_HOLE implementation
xfs: fix off-by-one on max nr_pages in xfs_find_get_desired_pgoff()
xfs: fix unaligned access in xfs_btree_visit_blocks
xfs: avoid mount-time deadlock in CoW extent recovery
xfs: only return detailed fsmap info if the caller has CAP_SYS_ADMIN
xfs: bad assertion for delalloc an extent that start at i_size
xfs: fix warnings about unused stack variables
xfs: BMAPX shouldn't barf on inline-format directories
xfs: fix indlen accounting error on partial delalloc conversion
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xfs_find_get_desired_pgoff()
Currently several places in xfs_find_get_desired_pgoff() handle the case
of a missing page. Make them all handled in one place after the loop has
terminated.
Signed-off-by: Jan Kara <jack@suse.cz>
Reviewed-by: Brian Foster <bfoster@redhat.com>
Reviewed-by: Darrick J. Wong <darrick.wong@oracle.com>
Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com>
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There is an off-by-one error in loop termination conditions in
xfs_find_get_desired_pgoff() since 'end' may index a page beyond end of
desired range if 'endoff' is page aligned. It doesn't have any visible
effects but still it is good to fix it.
Signed-off-by: Jan Kara <jack@suse.cz>
Reviewed-by: Darrick J. Wong <darrick.wong@oracle.com>
Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com>
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XFS SEEK_HOLE implementation could miss a hole in an unwritten extent as
can be seen by the following command:
xfs_io -c "falloc 0 256k" -c "pwrite 0 56k" -c "pwrite 128k 8k"
-c "seek -h 0" file
wrote 57344/57344 bytes at offset 0
56 KiB, 14 ops; 0.0000 sec (49.312 MiB/sec and 12623.9856 ops/sec)
wrote 8192/8192 bytes at offset 131072
8 KiB, 2 ops; 0.0000 sec (70.383 MiB/sec and 18018.0180 ops/sec)
Whence Result
HOLE 139264
Where we can see that hole at offset 56k was just ignored by SEEK_HOLE
implementation. The bug is in xfs_find_get_desired_pgoff() which does
not properly detect the case when pages are not contiguous.
Fix the problem by properly detecting when found page has larger offset
than expected.
CC: stable@vger.kernel.org
Fixes: d126d43f631f996daeee5006714fed914be32368
Signed-off-by: Jan Kara <jack@suse.cz>
Reviewed-by: Brian Foster <bfoster@redhat.com>
Reviewed-by: Darrick J. Wong <darrick.wong@oracle.com>
Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com>
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xfs_find_get_desired_pgoff() is used to search for offset of hole or
data in page range [index, end] (both inclusive), and the max number
of pages to search should be at least one, if end == index.
Otherwise the only page is missed and no hole or data is found,
which is not correct.
When block size is smaller than page size, this can be demonstrated
by preallocating a file with size smaller than page size and writing
data to the last block. E.g. run this xfs_io command on a 1k block
size XFS on x86_64 host.
# xfs_io -fc "falloc 0 3k" -c "pwrite 2k 1k" \
-c "seek -d 0" /mnt/xfs/testfile
wrote 1024/1024 bytes at offset 2048
1 KiB, 1 ops; 0.0000 sec (33.675 MiB/sec and 34482.7586 ops/sec)
Whence Result
DATA EOF
Data at offset 2k was missed, and lseek(2) returned ENXIO.
This is uncovered by generic/285 subtest 07 and 08 on ppc64 host,
where pagesize is 64k. Because a recent change to generic/285
reduced the preallocated file size to smaller than 64k.
Cc: stable@vger.kernel.org # v3.7+
Signed-off-by: Eryu Guan <eguan@redhat.com>
Reviewed-by: Jan Kara <jack@suse.cz>
Reviewed-by: Darrick J. Wong <darrick.wong@oracle.com>
Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com>
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This structure copy was throwing unaligned access warnings on sparc64:
Kernel unaligned access at TPC[1043c088] xfs_btree_visit_blocks+0x88/0xe0 [xfs]
xfs_btree_copy_ptrs does a memcpy, which avoids it.
Signed-off-by: Eric Sandeen <sandeen@redhat.com>
Reviewed-by: Darrick J. Wong <darrick.wong@oracle.com>
Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com>
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If a malicious user corrupts the refcount btree to cause a cycle between
different levels of the tree, the next mount attempt will deadlock in
the CoW recovery routine while grabbing buffer locks. We can use the
ability to re-grab a buffer that was previous locked to a transaction to
avoid deadlocks, so do that here.
Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com>
Reviewed-by: Brian Foster <bfoster@redhat.com>
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There were a number of handwaving complaints that one could "possibly"
use inode numbers and extent maps to fingerprint a filesystem hosting
multiple containers and somehow use the information to guess at the
contents of other containers and attack them. Despite the total lack of
any demonstration that this is actually possible, it's easier to
restrict access now and broaden it later, so use the rmapbt fsmap
backends only if the caller has CAP_SYS_ADMIN. Unprivileged users will
just have to make do with only getting the free space and static
metadata placement information.
Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com>
Reviewed-by: Carlos Maiolino <cmaiolino@redhat.com>
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By run fsstress long enough time enough in RHEL-7, I find an
assertion failure (harder to reproduce on linux-4.11, but problem
is still there):
XFS: Assertion failed: (iflags & BMV_IF_DELALLOC) != 0, file: fs/xfs/xfs_bmap_util.c
The assertion is in xfs_getbmap() funciton:
if (map[i].br_startblock == DELAYSTARTBLOCK &&
--> map[i].br_startoff <= XFS_B_TO_FSB(mp, XFS_ISIZE(ip)))
ASSERT((iflags & BMV_IF_DELALLOC) != 0);
When map[i].br_startoff == XFS_B_TO_FSB(mp, XFS_ISIZE(ip)), the
startoff is just at EOF. But we only need to make sure delalloc
extents that are within EOF, not include EOF.
Signed-off-by: Zorro Lang <zlang@redhat.com>
Reviewed-by: Brian Foster <bfoster@redhat.com>
Reviewed-by: Darrick J. Wong <darrick.wong@oracle.com>
Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com>
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Reduce stack usage and get rid of compiler warnings by eliminating
unused variables.
Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com>
Reviewed-by: Carlos Maiolino <cmaiolino@redhat.com>
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When we're fulfilling a BMAPX request, jump out early if the data fork
is in local format. This prevents us from hitting a debugging check in
bmapi_read and barfing errors back to userspace. The on-disk extent
count check later isn't sufficient for IF_DELALLOC mode because da
extents are in memory and not on disk.
Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com>
Reviewed-by: Brian Foster <bfoster@redhat.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
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The delalloc -> real block conversion path uses an incorrect
calculation in the case where the middle part of a delalloc extent
is being converted. This is documented as a rare situation because
XFS generally attempts to maximize contiguity by converting as much
of a delalloc extent as possible.
If this situation does occur, the indlen reservation for the two new
delalloc extents left behind by the conversion of the middle range
is calculated and compared with the original reservation. If more
blocks are required, the delta is allocated from the global block
pool. This delta value can be characterized as the difference
between the new total requirement (temp + temp2) and the currently
available reservation minus those blocks that have already been
allocated (startblockval(PREV.br_startblock) - allocated).
The problem is that the current code does not account for previously
allocated blocks correctly. It subtracts the current allocation
count from the (new - old) delta rather than the old indlen
reservation. This means that more indlen blocks than have been
allocated end up stashed in the remaining extents and free space
accounting is broken as a result.
Fix up the calculation to subtract the allocated block count from
the original extent indlen and thus correctly allocate the
reservation delta based on the difference between the new total
requirement and the unused blocks from the original reservation.
Also remove a bogus assert that contradicts the fact that the new
indlen reservation can be larger than the original indlen
reservation.
Signed-off-by: Brian Foster <bfoster@redhat.com>
Reviewed-by: Darrick J. Wong <darrick.wong@oracle.com>
Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com>
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Pull block fixes from Jens Axboe:
"A collection of fixes that should go into this series. This contains:
- A set of NVMe fixes, pulled from Christoph. This includes a set of
fixes for the fiber channel bits from James Smart, rdma queue depth
fix from Marta, controller removal fixes from Ming, and some more
APST quirk updates from Andy.
- A blk-mq debugfs fix from Bart, fixing a problem with the
untangling of the sysfs and debugfs blk-mq bits that was added in
this series.
- Error code fix in add_partition() from Dan.
- A small series of fixes for the new blk-throttle code from Shaohua"
* 'for-linus' of git://git.kernel.dk/linux-block: (21 commits)
blk-mq: Only register debugfs attributes for blk-mq queues
nvme: Quirk APST on Intel 600P/P3100 devices
nvme: only setup block integrity if supported by the driver
nvme: replace is_flags field in nvme_ctrl_ops with a flags field
nvme-pci: consistencly use ctrl->device for logging
partitions/msdos: FreeBSD UFS2 file systems are not recognized
block: fix an error code in add_partition()
blk-throttle: force user to configure all settings for io.low
blk-throttle: respect 0 bps/iops settings for io.low
blk-throttle: output some debug info in trace
blk-throttle: add hierarchy support for latency target and idle time
nvme_fc: remove extra controller reference taken on reconnect
nvme_fc: correct nvme status set on abort
nvme_fc: set logging level on resets/deletes
nvme_fc: revise comment on teardown
nvme_fc: Support ctrl_loss_tmo
nvme_fc: get rid of local reconnect_delay
blk-mq: remove blk_mq_abort_requeue_list()
nvme: avoid to use blk_mq_abort_requeue_list()
nvme: use blk_mq_start_hw_queues() in nvme_kill_queues()
...
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Christoph writes:
"A couple of fixes for the next rc on the nvme front. Various FC fixes
from James, controller removal fixes from Ming (including a block layer
patch), a APST related device quirk from Andy, a RDMA fix for small
queue depth device from Marta, as well as fixes for the lack of
metadata support in non-PCIe drivers and the printk logging format from
me."
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They have known firmware bugs. A fix is apparently in the works --
once fixed firmware is available, someone from Intel (Hi, Keith!)
can adjust the quirk accordingly.
Cc: stable@vger.kernel.org # v4.11
Cc: Kai-Heng Feng <kai.heng.feng@canonical.com>
Cc: Mario Limonciello <mario_limonciello@dell.com>
Signed-off-by: Andy Lutomirski <luto@kernel.org>
Signed-off-by: Christoph Hellwig <hch@lst.de>
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Currently only the PCIe driver supports metadata, so we should not claim
integrity support for the other drivers. This prevents nasty crashes
with targets that advertise metadata support on fabrics.
Also use the opportunity to factor out some code into a separate helper
that isn't even compiled if CONFIG_BLK_DEV_INTEGRITY is disabled.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Keith Busch <keith.busch@intel.com>
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So that we can have more flags for transport-specific behavior.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Keith Busch <keith.busch@intel.com>
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This is what most of the code already does and gives much more useful
prefixes than the device embedded in the pci_dev.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Keith Busch <keith.busch@intel.com>
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fix extra controller reference taken on reconnect by moving
reference to initial controller create
Signed-off-by: James Smart <james.smart@broadcom.com>
Reviewed-by: Hannes Reinecke <hare@suse.com>
Reviewed-by: Johannes Thumshirn <jthumshirn@suse.de>
Signed-off-by: Christoph Hellwig <hch@lst.de>
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correct nvme status set on abort. Patch that changed status to being actual
nvme status crossed in the night with the patch that added abort values.
Signed-off-by: James Smart <james.smart@broadcom.com>
Reviewed-by: Hannes Reinecke <hare@suse.com>
Reviewed-by: Johannes Thumshirn <jthumshirn@suse.de>
Signed-off-by: Christoph Hellwig <hch@lst.de>
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Per the review by Sagi on:
http://lists.infradead.org/pipermail/linux-nvme/2017-April/009261.html
Looked at existing warn vs info vs err dev_xxx levels for the messages
printed on reconnects and deletes:
- Resets due to error and resets transitioned to deletes are dev_warn
- Other reset/disconnect messages are dev_info
- Removed chatty io queue related messages
Signed-off-by: James Smart <james.smart@broadcom.com>
Reviewed-by: Hannes Reinecke <hare@suse.com>
Reviewed-by: Johannes Thumshirn <jthumshirn@suse.de>
Signed-off-by: Christoph Hellwig <hch@lst.de>
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Per the recommendation by Sagi on:
http://lists.infradead.org/pipermail/linux-nvme/2017-April/009261.html
An extra reference was pointed out. There's no issue with the
references, but rather a literal interpretation of what the comment
is saying.
Reword the comment to avoid confusion.
Signed-off-by: James Smart <james.smart@broadcom.com>
Reviewed-by: Johannes Thumshirn <jthumshirn@suse.de>
Reviewed-by: Hannes Reinecke <hare@suse.com>
Signed-off-by: Christoph Hellwig <hch@lst.de>
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