Граф коммитов

826523 Коммитов

Автор SHA1 Сообщение Дата
Ingo Molnar da398dbd7d Merge branch 'linus' into x86/mm, to pick up dependent fix
Signed-off-by: Ingo Molnar <mingo@kernel.org>
2019-04-26 12:01:33 +02:00
Linus Torvalds 8113a85f87 dentry name handling fixes from Jeff and a memory leak fix from Zheng.
Both are old issues, marked for stable.
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Merge tag 'ceph-for-5.1-rc7' of git://github.com/ceph/ceph-client

Pull ceph fixes from Ilya Dryomov:
 "dentry name handling fixes from Jeff and a memory leak fix from Zheng.

  Both are old issues, marked for stable"

* tag 'ceph-for-5.1-rc7' of git://github.com/ceph/ceph-client:
  ceph: fix ci->i_head_snapc leak
  ceph: handle the case where a dentry has been renamed on outstanding req
  ceph: ensure d_name stability in ceph_dentry_hash()
  ceph: only use d_name directly when parent is locked
2019-04-25 10:48:50 -07:00
Linus Torvalds f6f3e74745 Merge branch 'linus' of git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6
Pull crypto fixes from Herbert Xu:
 "This fixes a bug in xts and lrw where they may sleep in an atomic
  context"

* 'linus' of git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6:
  crypto: lrw - Fix atomic sleep when walking skcipher
  crypto: xts - Fix atomic sleep when walking skcipher
2019-04-25 09:15:03 -07:00
Mike Rapoport 2792107dc3 x86/Kconfig: Deprecate DISCONTIGMEM support for 32-bit x86
Mel Gorman says:

  "32-bit NUMA systems should be non-existent in practice.  The last NUMA
   system I'm aware of that was both NUMA and 32-bit only died somewhere
   between 2004 and 2007. If someone is running a 64-bit capable system in
   32-bit mode with NUMA, they really are just punishing themselves for fun."

Mark DISCONTIGMEM broken for now as suggested by Christoph Hellwig,
and (hopefully) remove it in a couple of releases.

Suggested-by: Christoph Hellwig <hch@infradead.org>
Signed-off-by: Mike Rapoport <rppt@linux.ibm.com>
Acked-by: Mel Gorman <mgorman@techsingularity.net>
Cc: Andy Lutomirski <luto@kernel.org>
Cc: Borislav Petkov <bp@alien8.de>
Cc: Dave Hansen <dave.hansen@linux.intel.com>
Cc: H. Peter Anvin <hpa@zytor.com>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Matthew Wilcox <willy@infradead.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Rik van Riel <riel@surriel.com>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: linux-mm@kvack.org
Link: http://lkml.kernel.org/r/1556112252-9339-3-git-send-email-rppt@linux.ibm.com
Signed-off-by: Ingo Molnar <mingo@kernel.org>
2019-04-25 09:02:18 +02:00
Mike Rapoport 6ad57f7f2c x86/Kconfig: Make SPARSEMEM default for 32-bit x86
Sparsemem has been a default memory model for x86-64 for over a decade,
since:

  b263295dbf ("x86: 64-bit, make sparsemem vmemmap the only memory model").

Make it the default for 32-bit NUMA systems (if there any left) as well.

Signed-off-by: Mike Rapoport <rppt@linux.ibm.com>
Acked-by: Mel Gorman <mgorman@techsingularity.net>
Cc: Andy Lutomirski <luto@kernel.org>
Cc: Borislav Petkov <bp@alien8.de>
Cc: Christoph Hellwig <hch@infradead.org>
Cc: Dave Hansen <dave.hansen@linux.intel.com>
Cc: H. Peter Anvin <hpa@zytor.com>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Matthew Wilcox <willy@infradead.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Rik van Riel <riel@surriel.com>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: linux-mm@kvack.org
Link: http://lkml.kernel.org/r/1556112252-9339-2-git-send-email-rppt@linux.ibm.com
Signed-off-by: Ingo Molnar <mingo@kernel.org>
2019-04-25 09:02:17 +02:00
Linus Torvalds cd8dead0c3 Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
Pull networking fixes from David Miller:
 "Just the usual assortment of small'ish fixes:

   1) Conntrack timeout is sometimes not initialized properly, from
      Alexander Potapenko.

   2) Add a reasonable range limit to tcp_min_rtt_wlen to avoid
      undefined behavior. From ZhangXiaoxu.

   3) des1 field of descriptor in stmmac driver is initialized with the
      wrong variable. From Yue Haibing.

   4) Increase mlxsw pci sw reset timeout a little bit more, from Ido
      Schimmel.

   5) Match IOT2000 stmmac devices more accurately, from Su Bao Cheng.

   6) Fallback refcount fix in TLS code, from Jakub Kicinski.

   7) Fix max MTU check when using XDP in mlx5, from Maxim Mikityanskiy.

   8) Fix recursive locking in team driver, from Hangbin Liu.

   9) Fix tls_set_device_offload_Rx() deadlock, from Jakub Kicinski.

  10) Don't use napi_alloc_frag() outside of softiq context of socionext
      driver, from Ilias Apalodimas.

  11) MAC address increment overflow in ncsi, from Tao Ren.

  12) Fix a regression in 8K/1M pool switching of RDS, from Zhu Yanjun.

  13) ipv4_link_failure has to validate the headers that are actually
      there because RAW sockets can pass in arbitrary garbage, from Eric
      Dumazet"

* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net: (43 commits)
  ipv4: add sanity checks in ipv4_link_failure()
  net/rose: fix unbound loop in rose_loopback_timer()
  rxrpc: fix race condition in rxrpc_input_packet()
  net: rds: exchange of 8K and 1M pool
  net: vrf: Fix operation not supported when set vrf mac
  net/ncsi: handle overflow when incrementing mac address
  net: socionext: replace napi_alloc_frag with the netdev variant on init
  net: atheros: fix spelling mistake "underun" -> "underrun"
  spi: ST ST95HF NFC: declare missing of table
  spi: Micrel eth switch: declare missing of table
  net: stmmac: move stmmac_check_ether_addr() to driver probe
  netfilter: fix nf_l4proto_log_invalid to log invalid packets
  netfilter: never get/set skb->tstamp
  netfilter: ebtables: CONFIG_COMPAT: drop a bogus WARN_ON
  Documentation: decnet: remove reference to CONFIG_DECNET_ROUTE_FWMARK
  dt-bindings: add an explanation for internal phy-mode
  net/tls: don't leak IV and record seq when offload fails
  net/tls: avoid potential deadlock in tls_set_device_offload_rx()
  selftests/net: correct the return value for run_afpackettests
  team: fix possible recursive locking when add slaves
  ...
2019-04-24 16:18:59 -07:00
Linus Torvalds 11bfe6473b LED update for 5.1-rc7.
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Merge tag 'leds-for-5.1-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/j.anaszewski/linux-leds

Pull LED update from Jacek Anaszewski:
 "A single change to MAINTAINERS:

  We announce a new LED reviewer - Dan Murphy"

* tag 'leds-for-5.1-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/j.anaszewski/linux-leds:
  MAINTAINERS: LEDs: Add designated reviewer for LED subsystem
2019-04-24 16:15:38 -07:00
Eric Dumazet 20ff83f10f ipv4: add sanity checks in ipv4_link_failure()
Before calling __ip_options_compile(), we need to ensure the network
header is a an IPv4 one, and that it is already pulled in skb->head.

RAW sockets going through a tunnel can end up calling ipv4_link_failure()
with total garbage in the skb, or arbitrary lengthes.

syzbot report :

BUG: KASAN: stack-out-of-bounds in memcpy include/linux/string.h:355 [inline]
BUG: KASAN: stack-out-of-bounds in __ip_options_echo+0x294/0x1120 net/ipv4/ip_options.c:123
Write of size 69 at addr ffff888096abf068 by task syz-executor.4/9204

CPU: 0 PID: 9204 Comm: syz-executor.4 Not tainted 5.1.0-rc5+ #77
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
 __dump_stack lib/dump_stack.c:77 [inline]
 dump_stack+0x172/0x1f0 lib/dump_stack.c:113
 print_address_description.cold+0x7c/0x20d mm/kasan/report.c:187
 kasan_report.cold+0x1b/0x40 mm/kasan/report.c:317
 check_memory_region_inline mm/kasan/generic.c:185 [inline]
 check_memory_region+0x123/0x190 mm/kasan/generic.c:191
 memcpy+0x38/0x50 mm/kasan/common.c:133
 memcpy include/linux/string.h:355 [inline]
 __ip_options_echo+0x294/0x1120 net/ipv4/ip_options.c:123
 __icmp_send+0x725/0x1400 net/ipv4/icmp.c:695
 ipv4_link_failure+0x29f/0x550 net/ipv4/route.c:1204
 dst_link_failure include/net/dst.h:427 [inline]
 vti6_xmit net/ipv6/ip6_vti.c:514 [inline]
 vti6_tnl_xmit+0x10d4/0x1c0c net/ipv6/ip6_vti.c:553
 __netdev_start_xmit include/linux/netdevice.h:4414 [inline]
 netdev_start_xmit include/linux/netdevice.h:4423 [inline]
 xmit_one net/core/dev.c:3292 [inline]
 dev_hard_start_xmit+0x1b2/0x980 net/core/dev.c:3308
 __dev_queue_xmit+0x271d/0x3060 net/core/dev.c:3878
 dev_queue_xmit+0x18/0x20 net/core/dev.c:3911
 neigh_direct_output+0x16/0x20 net/core/neighbour.c:1527
 neigh_output include/net/neighbour.h:508 [inline]
 ip_finish_output2+0x949/0x1740 net/ipv4/ip_output.c:229
 ip_finish_output+0x73c/0xd50 net/ipv4/ip_output.c:317
 NF_HOOK_COND include/linux/netfilter.h:278 [inline]
 ip_output+0x21f/0x670 net/ipv4/ip_output.c:405
 dst_output include/net/dst.h:444 [inline]
 NF_HOOK include/linux/netfilter.h:289 [inline]
 raw_send_hdrinc net/ipv4/raw.c:432 [inline]
 raw_sendmsg+0x1d2b/0x2f20 net/ipv4/raw.c:663
 inet_sendmsg+0x147/0x5d0 net/ipv4/af_inet.c:798
 sock_sendmsg_nosec net/socket.c:651 [inline]
 sock_sendmsg+0xdd/0x130 net/socket.c:661
 sock_write_iter+0x27c/0x3e0 net/socket.c:988
 call_write_iter include/linux/fs.h:1866 [inline]
 new_sync_write+0x4c7/0x760 fs/read_write.c:474
 __vfs_write+0xe4/0x110 fs/read_write.c:487
 vfs_write+0x20c/0x580 fs/read_write.c:549
 ksys_write+0x14f/0x2d0 fs/read_write.c:599
 __do_sys_write fs/read_write.c:611 [inline]
 __se_sys_write fs/read_write.c:608 [inline]
 __x64_sys_write+0x73/0xb0 fs/read_write.c:608
 do_syscall_64+0x103/0x610 arch/x86/entry/common.c:290
 entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x458c29
Code: ad b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 7b b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00
RSP: 002b:00007f293b44bc78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000458c29
RDX: 0000000000000014 RSI: 00000000200002c0 RDI: 0000000000000003
RBP: 000000000073bf00 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00007f293b44c6d4
R13: 00000000004c8623 R14: 00000000004ded68 R15: 00000000ffffffff

The buggy address belongs to the page:
page:ffffea00025aafc0 count:0 mapcount:0 mapping:0000000000000000 index:0x0
flags: 0x1fffc0000000000()
raw: 01fffc0000000000 0000000000000000 ffffffff025a0101 0000000000000000
raw: 0000000000000000 0000000000000000 00000000ffffffff 0000000000000000
page dumped because: kasan: bad access detected

Memory state around the buggy address:
 ffff888096abef80: 00 00 00 f2 f2 f2 f2 f2 00 00 00 00 00 00 00 f2
 ffff888096abf000: f2 f2 f2 f2 00 00 00 00 00 00 00 00 00 00 00 00
>ffff888096abf080: 00 00 f3 f3 f3 f3 00 00 00 00 00 00 00 00 00 00
                         ^
 ffff888096abf100: 00 00 00 00 f1 f1 f1 f1 00 00 f3 f3 00 00 00 00
 ffff888096abf180: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00

Fixes: ed0de45a10 ("ipv4: recompile ip options in ipv4_link_failure")
Signed-off-by: Eric Dumazet <edumazet@google.com>
Cc: Stephen Suryaputra <ssuryaextr@gmail.com>
Acked-by: Willem de Bruijn <willemb@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2019-04-24 14:40:41 -07:00
Eric Dumazet 0453c68245 net/rose: fix unbound loop in rose_loopback_timer()
This patch adds a limit on the number of skbs that fuzzers can queue
into loopback_queue. 1000 packets for rose loopback seems more than enough.

Then, since we now have multiple cpus in most linux hosts,
we also need to limit the number of skbs rose_loopback_timer()
can dequeue at each round.

rose_loopback_queue() can be drop-monitor friendly, calling
consume_skb() or kfree_skb() appropriately.

Finally, use mod_timer() instead of del_timer() + add_timer()

syzbot report was :

rcu: INFO: rcu_preempt self-detected stall on CPU
rcu:    0-...!: (10499 ticks this GP) idle=536/1/0x4000000000000002 softirq=103291/103291 fqs=34
rcu:     (t=10500 jiffies g=140321 q=323)
rcu: rcu_preempt kthread starved for 10426 jiffies! g140321 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x402 ->cpu=1
rcu: RCU grace-period kthread stack dump:
rcu_preempt     I29168    10      2 0x80000000
Call Trace:
 context_switch kernel/sched/core.c:2877 [inline]
 __schedule+0x813/0x1cc0 kernel/sched/core.c:3518
 schedule+0x92/0x180 kernel/sched/core.c:3562
 schedule_timeout+0x4db/0xfd0 kernel/time/timer.c:1803
 rcu_gp_fqs_loop kernel/rcu/tree.c:1971 [inline]
 rcu_gp_kthread+0x962/0x17b0 kernel/rcu/tree.c:2128
 kthread+0x357/0x430 kernel/kthread.c:253
 ret_from_fork+0x3a/0x50 arch/x86/entry/entry_64.S:352
NMI backtrace for cpu 0
CPU: 0 PID: 7632 Comm: kworker/0:4 Not tainted 5.1.0-rc5+ #172
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Workqueue: events iterate_cleanup_work
Call Trace:
 <IRQ>
 __dump_stack lib/dump_stack.c:77 [inline]
 dump_stack+0x172/0x1f0 lib/dump_stack.c:113
 nmi_cpu_backtrace.cold+0x63/0xa4 lib/nmi_backtrace.c:101
 nmi_trigger_cpumask_backtrace+0x1be/0x236 lib/nmi_backtrace.c:62
 arch_trigger_cpumask_backtrace+0x14/0x20 arch/x86/kernel/apic/hw_nmi.c:38
 trigger_single_cpu_backtrace include/linux/nmi.h:164 [inline]
 rcu_dump_cpu_stacks+0x183/0x1cf kernel/rcu/tree.c:1223
 print_cpu_stall kernel/rcu/tree.c:1360 [inline]
 check_cpu_stall kernel/rcu/tree.c:1434 [inline]
 rcu_pending kernel/rcu/tree.c:3103 [inline]
 rcu_sched_clock_irq.cold+0x500/0xa4a kernel/rcu/tree.c:2544
 update_process_times+0x32/0x80 kernel/time/timer.c:1635
 tick_sched_handle+0xa2/0x190 kernel/time/tick-sched.c:161
 tick_sched_timer+0x47/0x130 kernel/time/tick-sched.c:1271
 __run_hrtimer kernel/time/hrtimer.c:1389 [inline]
 __hrtimer_run_queues+0x33e/0xde0 kernel/time/hrtimer.c:1451
 hrtimer_interrupt+0x314/0x770 kernel/time/hrtimer.c:1509
 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1035 [inline]
 smp_apic_timer_interrupt+0x120/0x570 arch/x86/kernel/apic/apic.c:1060
 apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:807
RIP: 0010:__sanitizer_cov_trace_pc+0x0/0x50 kernel/kcov.c:95
Code: 89 25 b4 6e ec 08 41 bc f4 ff ff ff e8 cd 5d ea ff 48 c7 05 9e 6e ec 08 00 00 00 00 e9 a4 e9 ff ff 90 90 90 90 90 90 90 90 90 <55> 48 89 e5 48 8b 75 08 65 48 8b 04 25 00 ee 01 00 65 8b 15 c8 60
RSP: 0018:ffff8880ae807ce0 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
RAX: ffff88806fd40640 RBX: dffffc0000000000 RCX: ffffffff863fbc56
RDX: 0000000000000100 RSI: ffffffff863fbc1d RDI: ffff88808cf94228
RBP: ffff8880ae807d10 R08: ffff88806fd40640 R09: ffffed1015d00f8b
R10: ffffed1015d00f8a R11: 0000000000000003 R12: ffff88808cf941c0
R13: 00000000fffff034 R14: ffff8882166cd840 R15: 0000000000000000
 rose_loopback_timer+0x30d/0x3f0 net/rose/rose_loopback.c:91
 call_timer_fn+0x190/0x720 kernel/time/timer.c:1325
 expire_timers kernel/time/timer.c:1362 [inline]
 __run_timers kernel/time/timer.c:1681 [inline]
 __run_timers kernel/time/timer.c:1649 [inline]
 run_timer_softirq+0x652/0x1700 kernel/time/timer.c:1694
 __do_softirq+0x266/0x95a kernel/softirq.c:293
 do_softirq_own_stack+0x2a/0x40 arch/x86/entry/entry_64.S:1027

Fixes: 1da177e4c3 ("Linux-2.6.12-rc2")
Signed-off-by: Eric Dumazet <edumazet@google.com>
Reported-by: syzbot <syzkaller@googlegroups.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2019-04-24 14:39:26 -07:00
Eric Dumazet 032be5f19a rxrpc: fix race condition in rxrpc_input_packet()
After commit 5271953cad ("rxrpc: Use the UDP encap_rcv hook"),
rxrpc_input_packet() is directly called from lockless UDP receive
path, under rcu_read_lock() protection.

It must therefore use RCU rules :

- udp_sk->sk_user_data can be cleared at any point in this function.
  rcu_dereference_sk_user_data() is what we need here.

- Also, since sk_user_data might have been set in rxrpc_open_socket()
  we must observe a proper RCU grace period before kfree(local) in
  rxrpc_lookup_local()

v4: @local can be NULL in xrpc_lookup_local() as reported by kbuild test robot <lkp@intel.com>
        and Julia Lawall <julia.lawall@lip6.fr>, thanks !

v3,v2 : addressed David Howells feedback, thanks !

syzbot reported :

kasan: CONFIG_KASAN_INLINE enabled
kasan: GPF could be caused by NULL-ptr deref or user memory access
general protection fault: 0000 [#1] PREEMPT SMP KASAN
CPU: 0 PID: 19236 Comm: syz-executor703 Not tainted 5.1.0-rc6 #79
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
RIP: 0010:__lock_acquire+0xbef/0x3fb0 kernel/locking/lockdep.c:3573
Code: 00 0f 85 a5 1f 00 00 48 81 c4 10 01 00 00 5b 41 5c 41 5d 41 5e 41 5f 5d c3 48 b8 00 00 00 00 00 fc ff df 4c 89 ea 48 c1 ea 03 <80> 3c 02 00 0f 85 4a 21 00 00 49 81 7d 00 20 54 9c 89 0f 84 cf f4
RSP: 0018:ffff88809d7aef58 EFLAGS: 00010002
RAX: dffffc0000000000 RBX: 0000000000000000 RCX: 0000000000000000
RDX: 0000000000000026 RSI: 0000000000000000 RDI: 0000000000000001
RBP: ffff88809d7af090 R08: 0000000000000001 R09: 0000000000000001
R10: ffffed1015d05bc7 R11: ffff888089428600 R12: 0000000000000000
R13: 0000000000000130 R14: 0000000000000001 R15: 0000000000000001
FS:  00007f059044d700(0000) GS:ffff8880ae800000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00000000004b6040 CR3: 00000000955ca000 CR4: 00000000001406f0
Call Trace:
 lock_acquire+0x16f/0x3f0 kernel/locking/lockdep.c:4211
 __raw_spin_lock_irqsave include/linux/spinlock_api_smp.h:110 [inline]
 _raw_spin_lock_irqsave+0x95/0xcd kernel/locking/spinlock.c:152
 skb_queue_tail+0x26/0x150 net/core/skbuff.c:2972
 rxrpc_reject_packet net/rxrpc/input.c:1126 [inline]
 rxrpc_input_packet+0x4a0/0x5536 net/rxrpc/input.c:1414
 udp_queue_rcv_one_skb+0xaf2/0x1780 net/ipv4/udp.c:2011
 udp_queue_rcv_skb+0x128/0x730 net/ipv4/udp.c:2085
 udp_unicast_rcv_skb.isra.0+0xb9/0x360 net/ipv4/udp.c:2245
 __udp4_lib_rcv+0x701/0x2ca0 net/ipv4/udp.c:2301
 udp_rcv+0x22/0x30 net/ipv4/udp.c:2482
 ip_protocol_deliver_rcu+0x60/0x8f0 net/ipv4/ip_input.c:208
 ip_local_deliver_finish+0x23b/0x390 net/ipv4/ip_input.c:234
 NF_HOOK include/linux/netfilter.h:289 [inline]
 NF_HOOK include/linux/netfilter.h:283 [inline]
 ip_local_deliver+0x1e9/0x520 net/ipv4/ip_input.c:255
 dst_input include/net/dst.h:450 [inline]
 ip_rcv_finish+0x1e1/0x300 net/ipv4/ip_input.c:413
 NF_HOOK include/linux/netfilter.h:289 [inline]
 NF_HOOK include/linux/netfilter.h:283 [inline]
 ip_rcv+0xe8/0x3f0 net/ipv4/ip_input.c:523
 __netif_receive_skb_one_core+0x115/0x1a0 net/core/dev.c:4987
 __netif_receive_skb+0x2c/0x1c0 net/core/dev.c:5099
 netif_receive_skb_internal+0x117/0x660 net/core/dev.c:5202
 napi_frags_finish net/core/dev.c:5769 [inline]
 napi_gro_frags+0xade/0xd10 net/core/dev.c:5843
 tun_get_user+0x2f24/0x3fb0 drivers/net/tun.c:1981
 tun_chr_write_iter+0xbd/0x156 drivers/net/tun.c:2027
 call_write_iter include/linux/fs.h:1866 [inline]
 do_iter_readv_writev+0x5e1/0x8e0 fs/read_write.c:681
 do_iter_write fs/read_write.c:957 [inline]
 do_iter_write+0x184/0x610 fs/read_write.c:938
 vfs_writev+0x1b3/0x2f0 fs/read_write.c:1002
 do_writev+0x15e/0x370 fs/read_write.c:1037
 __do_sys_writev fs/read_write.c:1110 [inline]
 __se_sys_writev fs/read_write.c:1107 [inline]
 __x64_sys_writev+0x75/0xb0 fs/read_write.c:1107
 do_syscall_64+0x103/0x610 arch/x86/entry/common.c:290
 entry_SYSCALL_64_after_hwframe+0x49/0xbe

Fixes: 5271953cad ("rxrpc: Use the UDP encap_rcv hook")
Signed-off-by: Eric Dumazet <edumazet@google.com>
Reported-by: syzbot <syzkaller@googlegroups.com>
Acked-by: David Howells <dhowells@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2019-04-24 14:05:09 -07:00
Dan Murphy 52fb56f7b5 MAINTAINERS: LEDs: Add designated reviewer for LED subsystem
Add a designated reviewer for the LED subsystem as there
are already two maintainers assigned.

Signed-off-by: Dan Murphy <dmurphy@ti.com>
Acked-by: Pavel Machek <pavel@ucw.cz>
Signed-off-by: Jacek Anaszewski <jacek.anaszewski@gmail.com>
2019-04-24 21:07:18 +02:00
Zhu Yanjun 4b9fc71462 net: rds: exchange of 8K and 1M pool
Before the commit 490ea5967b ("RDS: IB: move FMR code to its own file"),
when the dirty_count is greater than 9/10 of max_items of 8K pool,
1M pool is used, Vice versa. After the commit 490ea5967b ("RDS: IB: move
FMR code to its own file"), the above is removed. When we make the
following tests.

Server:
  rds-stress -r 1.1.1.16 -D 1M

Client:
  rds-stress -r 1.1.1.14 -s 1.1.1.16 -D 1M

The following will appear.
"
connecting to 1.1.1.16:4000
negotiated options, tasks will start in 2 seconds
Starting up..header from 1.1.1.166:4001 to id 4001 bogus
..
tsks  tx/s  rx/s tx+rx K/s  mbi K/s  mbo K/s tx us/c  rtt us
cpu %
   1    0    0     0.00     0.00     0.00    0.00 0.00 -1.00
   1    0    0     0.00     0.00     0.00    0.00 0.00 -1.00
   1    0    0     0.00     0.00     0.00    0.00 0.00 -1.00
   1    0    0     0.00     0.00     0.00    0.00 0.00 -1.00
   1    0    0     0.00     0.00     0.00    0.00 0.00 -1.00
...
"
So this exchange between 8K and 1M pool is added back.

Fixes: commit 490ea5967b ("RDS: IB: move FMR code to its own file")
Signed-off-by: Zhu Yanjun <yanjun.zhu@oracle.com>
Acked-by: Santosh Shilimkar <santosh.shilimkar@oracle.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2019-04-24 12:07:08 -07:00
Miaohe Lin 6819e3f6d8 net: vrf: Fix operation not supported when set vrf mac
Vrf device is not able to change mac address now because lack of
ndo_set_mac_address. Complete this in case some apps need to do
this.

Reported-by: Hui Wang <wanghui104@huawei.com>
Signed-off-by: Miaohe Lin <linmiaohe@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2019-04-24 11:45:04 -07:00
Kees Cook 392bef7096 x86/build: Move _etext to actual end of .text
When building x86 with Clang LTO and CFI, CFI jump regions are
automatically added to the end of the .text section late in linking. As a
result, the _etext position was being labelled before the appended jump
regions, causing confusion about where the boundaries of the executable
region actually are in the running kernel, and broke at least the fault
injection code. This moves the _etext mark to outside (and immediately
after) the .text area, as it already the case on other architectures
(e.g. arm64, arm).

Reported-and-tested-by: Sami Tolvanen <samitolvanen@google.com>
Signed-off-by: Kees Cook <keescook@chromium.org>
Cc: Borislav Petkov <bp@suse.de>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Link: http://lkml.kernel.org/r/20190423183827.GA4012@beast
Signed-off-by: Ingo Molnar <mingo@kernel.org>
2019-04-24 12:27:47 +02:00
Jiri Kosina a65c88e16f x86/mm: Remove in_nmi() warning from 64-bit implementation of vmalloc_fault()
In-NMI warnings have been added to vmalloc_fault() via:

  ebc8827f75 ("x86: Barf when vmalloc and kmemcheck faults happen in NMI")

back in the time when our NMI entry code could not cope with nested NMIs.

These days, it's perfectly fine to take a fault in NMI context and we
don't have to care about the fact that IRET from the fault handler might
cause NMI nesting.

This warning has already been removed from 32-bit implementation of
vmalloc_fault() in:

  6863ea0cda ("x86/mm: Remove in_nmi() warning from vmalloc_fault()")

but the 64-bit version was omitted.

Remove the bogus warning also from 64-bit implementation of vmalloc_fault().

Reported-by: Nicolai Stange <nstange@suse.de>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
Acked-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Cc: Andy Lutomirski <luto@kernel.org>
Cc: Borislav Petkov <bp@alien8.de>
Cc: Dave Hansen <dave.hansen@linux.intel.com>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Joerg Roedel <jroedel@suse.de>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Fixes: 6863ea0cda ("x86/mm: Remove in_nmi() warning from vmalloc_fault()")
Link: http://lkml.kernel.org/r/nycvar.YFH.7.76.1904240902280.9803@cbobk.fhfr.pm
Signed-off-by: Ingo Molnar <mingo@kernel.org>
2019-04-24 12:21:35 +02:00
Tao Ren 1c5c12ee30 net/ncsi: handle overflow when incrementing mac address
Previously BMC's MAC address is calculated by simply adding 1 to the
last byte of network controller's MAC address, and it produces incorrect
result when network controller's MAC address ends with 0xFF.

The problem can be fixed by calling eth_addr_inc() function to increment
MAC address; besides, the MAC address is also validated before assigning
to BMC.

Fixes: cb10c7c0df ("net/ncsi: Add NCSI Broadcom OEM command")
Signed-off-by: Tao Ren <taoren@fb.com>
Acked-by: Jakub Kicinski <jakub.kicinski@netronome.com>
Acked-by: Samuel Mendoza-Jonas <sam@mendozajonas.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2019-04-23 21:15:15 -07:00
Linus Torvalds ba25b50d58 drm regression fixes (i915 and virtio-gpu)
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Merge tag 'drm-fixes-2019-04-24' of git://anongit.freedesktop.org/drm/drm

Pull drm regression fixes from Dave Airlie:
 "We interrupt your regularly scheduled drm fixes for a regression
  special.

  The first is for a fix in i915 that had unexpected side effects
  fallout in the userspace X.org modesetting driver where X would no
  longer start. I got tired of the nitpicking and issued a large hammer
  on it. The X.org driver is buggy, but blackscreen regressions are
  worse.

  The second was an oversight that myself and Gerd should have noticed
  better, Gerd is trying to fix this properly, but the regression is too
  large to leave, even if the original behaviour is bad in some cases,
  it's clearly bad to break a bunch of working use cases.

  I'll likely have a regular fixes pull later, but I really wanted to
  highlight these"

* tag 'drm-fixes-2019-04-24' of git://anongit.freedesktop.org/drm/drm:
  Revert "drm/virtio: drop prime import/export callbacks"
  Revert "drm/i915/fbdev: Actually configure untiled displays"
2019-04-23 21:08:52 -07:00
Ilias Apalodimas ffbf9870dc net: socionext: replace napi_alloc_frag with the netdev variant on init
The netdev variant is usable on any context since it disables interrupts.
The napi variant of the call should only be used within softirq context.
Replace napi_alloc_frag on driver init with the correct netdev_alloc_frag
call

Changes since v1:
- Adjusted commit message

Acked-by: Ard Biesheuvel <ard.biesheuvel@linaro.org>
Acked-by: Jassi Brar <jaswinder.singh@linaro.org>
Fixes: 4acb20b462 ("net: socionext: different approach on DMA")
Signed-off-by: Ilias Apalodimas <ilias.apalodimas@linaro.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
2019-04-23 19:39:16 -07:00
Colin Ian King 66c031716b net: atheros: fix spelling mistake "underun" -> "underrun"
There are spelling mistakes in structure elements, fix these.

Signed-off-by: Colin Ian King <colin.king@canonical.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2019-04-23 18:46:27 -07:00
Dave Airlie a0cecc23cf Revert "drm/virtio: drop prime import/export callbacks"
This patch does more harm than good, as it breaks both Xwayland and
gnome-shell with X11.

Xwayland requires DRI3 & DRI3 requires PRIME.

X11 crash for obscure double-free reason which are hard to debug
(starting X11 by hand doesn't trigger the crash).

I don't see an apparent problem implementing those stub prime
functions, they may return an error at run-time, and it seems to be
handled fine by GNOME at least.

This reverts commit b318e3ff7c.
[airlied:
This broke userspace for virtio-gpus, and regressed things from DRI3 to DRI2.

This brings back the original problem, but it's better than regressions.]

Fixes: b318e3ff7c ("drm/virtio: drop prime import/export callbacks")
Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
2019-04-24 10:52:52 +10:00
Dave Airlie 9fa246256e Revert "drm/i915/fbdev: Actually configure untiled displays"
This reverts commit d179b88deb.

This commit is documented to break userspace X.org modesetting driver in certain configurations.

The X.org modesetting userspace driver is broken. No fixes are available yet. In order for this patch to be applied it either needs a config option or a workaround developed.

This has been reported a few times, saying it's a userspace problem is clearly against the regression rules.

Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=109806
Signed-off-by: Dave Airlie <airlied@redhat.com>
Cc: <stable@vger.kernel.org> # v3.19+
2019-04-24 10:47:56 +10:00
Linus Torvalds 12a54b150f Fix miscellaneous nfsd bugs, in NFSv4.1 callbacks, NFSv4.1
lock-notification callbacks, NFSv3 readdir encoding, and the
 cache/upcall code.
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Merge tag 'nfsd-5.1-1' of git://linux-nfs.org/~bfields/linux

Pull nfsd bugfixes from Bruce Fields:
 "Fix miscellaneous nfsd bugs, in NFSv4.1 callbacks, NFSv4.1
  lock-notification callbacks, NFSv3 readdir encoding, and the
  cache/upcall code"

* tag 'nfsd-5.1-1' of git://linux-nfs.org/~bfields/linux:
  nfsd: wake blocked file lock waiters before sending callback
  nfsd: wake waiters blocked on file_lock before deleting it
  nfsd: Don't release the callback slot unless it was actually held
  nfsd/nfsd3_proc_readdir: fix buffer count and page pointers
  sunrpc: don't mark uninitialised items as VALID.
2019-04-23 13:40:55 -07:00
Linus Torvalds d286e13d53 arch: add pidfd and io_uring syscalls everywhere
This comes a bit late, but should be in 5.1 anyway: we want the newly
 added system calls to be synchronized across all architectures in
 the release.
 
 I hope that in the future, any newly added system calls can be added
 to all architectures at the same time, and tested there while they
 are in linux-next, avoiding dependencies between the architecture
 maintainer trees and the tree that contains the new system call.
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Merge tag 'syscalls-5.1' of git://git.kernel.org/pub/scm/linux/kernel/git/arnd/asm-generic

Pull syscall numbering updates from Arnd Bergmann:
 "arch: add pidfd and io_uring syscalls everywhere

  This comes a bit late, but should be in 5.1 anyway: we want the newly
  added system calls to be synchronized across all architectures in the
  release.

  I hope that in the future, any newly added system calls can be added
  to all architectures at the same time, and tested there while they are
  in linux-next, avoiding dependencies between the architecture
  maintainer trees and the tree that contains the new system call"

* tag 'syscalls-5.1' of git://git.kernel.org/pub/scm/linux/kernel/git/arnd/asm-generic:
  arch: add pidfd and io_uring syscalls everywhere
2019-04-23 13:34:17 -07:00
Yan, Zheng 37659182bf ceph: fix ci->i_head_snapc leak
We missed two places that i_wrbuffer_ref_head, i_wr_ref, i_dirty_caps
and i_flushing_caps may change. When they are all zeros, we should free
i_head_snapc.

Cc: stable@vger.kernel.org
Link: https://tracker.ceph.com/issues/38224
Reported-and-tested-by: Luis Henriques <lhenriques@suse.com>
Signed-off-by: "Yan, Zheng" <zyan@redhat.com>
Signed-off-by: Ilya Dryomov <idryomov@gmail.com>
2019-04-23 21:37:54 +02:00
Jeff Layton 4b82228700 ceph: handle the case where a dentry has been renamed on outstanding req
It's possible for us to issue a lookup to revalidate a dentry
concurrently with a rename. If done in the right order, then we could
end up processing dentry info in the reply that no longer reflects the
state of the dentry.

If req->r_dentry->d_name differs from the one in the trace, then just
ignore the trace in the reply. We only need to do this however if the
parent's i_rwsem is not held.

Signed-off-by: Jeff Layton <jlayton@kernel.org>
Reviewed-by: "Yan, Zheng" <zyan@redhat.com>
Signed-off-by: Ilya Dryomov <idryomov@gmail.com>
2019-04-23 21:37:54 +02:00
Jeff Layton 76a495d666 ceph: ensure d_name stability in ceph_dentry_hash()
Take the d_lock here to ensure that d_name doesn't change.

Cc: stable@vger.kernel.org
Signed-off-by: Jeff Layton <jlayton@kernel.org>
Reviewed-by: "Yan, Zheng" <zyan@redhat.com>
Signed-off-by: Ilya Dryomov <idryomov@gmail.com>
2019-04-23 21:37:54 +02:00
Jeff Layton 1bcb344086 ceph: only use d_name directly when parent is locked
Ben reported tripping the BUG_ON in create_request_message during some
performance testing. Analysis of the vmcore showed that the length of
the r_dentry->d_name string changed after we allocated the buffer, but
before we encoded it.

build_dentry_path returns pointers to d_name in the common case of
non-snapped dentries, but this optimization isn't safe unless the parent
directory is locked. When it isn't, have the code make a copy of the
d_name while holding the d_lock.

Cc: stable@vger.kernel.org
Reported-by: Ben England <bengland@redhat.com>
Signed-off-by: Jeff Layton <jlayton@kernel.org>
Reviewed-by: "Yan, Zheng" <zyan@redhat.com>
Signed-off-by: Ilya Dryomov <idryomov@gmail.com>
2019-04-23 21:37:54 +02:00
Daniel Gomez d04830531d spi: ST ST95HF NFC: declare missing of table
Add missing <of_device_id> table for SPI driver relying on SPI
device match since compatible is in a DT binding or in a DTS.

Before this patch:
modinfo drivers/nfc/st95hf/st95hf.ko | grep alias
alias:          spi:st95hf

After this patch:
modinfo drivers/nfc/st95hf/st95hf.ko | grep alias
alias:          spi:st95hf
alias:          of:N*T*Cst,st95hfC*
alias:          of:N*T*Cst,st95hf

Reported-by: Javier Martinez Canillas <javier@dowhile0.org>
Signed-off-by: Daniel Gomez <dagmcr@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2019-04-23 10:44:44 -07:00
Daniel Gomez 2f23a2a768 spi: Micrel eth switch: declare missing of table
Add missing <of_device_id> table for SPI driver relying on SPI
device match since compatible is in a DT binding or in a DTS.

Before this patch:
modinfo drivers/net/phy/spi_ks8995.ko | grep alias
alias:          spi:ksz8795
alias:          spi:ksz8864
alias:          spi:ks8995

After this patch:
modinfo drivers/net/phy/spi_ks8995.ko | grep alias
alias:          spi:ksz8795
alias:          spi:ksz8864
alias:          spi:ks8995
alias:          of:N*T*Cmicrel,ksz8795C*
alias:          of:N*T*Cmicrel,ksz8795
alias:          of:N*T*Cmicrel,ksz8864C*
alias:          of:N*T*Cmicrel,ksz8864
alias:          of:N*T*Cmicrel,ks8995C*
alias:          of:N*T*Cmicrel,ks8995

Reported-by: Javier Martinez Canillas <javier@dowhile0.org>
Signed-off-by: Daniel Gomez <dagmcr@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2019-04-23 10:44:44 -07:00
Vinod Koul b561af36b1 net: stmmac: move stmmac_check_ether_addr() to driver probe
stmmac_check_ether_addr() checks the MAC address and assigns one in
driver open(). In many cases when we create slave netdevice, the dev
addr is inherited from master but the master dev addr maybe NULL at
that time, so move this call to driver probe so that address is
always valid.

Signed-off-by: Xiaofei Shen <xiaofeis@codeaurora.org>
Tested-by: Xiaofei Shen <xiaofeis@codeaurora.org>
Signed-off-by: Sneh Shah <snehshah@codeaurora.org>
Signed-off-by: Vinod Koul <vkoul@kernel.org>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: David S. Miller <davem@davemloft.net>
2019-04-22 21:52:18 -07:00
David S. Miller acced9d2b4 Merge git://git.kernel.org/pub/scm/linux/kernel/git/pablo/nf
Pablo Neira Ayuso says:

====================
Netfilter/IPVS fixes for net

The following patchset contains Netfilter/IPVS fixes for your net tree:

1) Add a selftest for icmp packet too big errors with conntrack, from
   Florian Westphal.

2) Validate inner header in ICMP error message does not lie to us
   in conntrack, also from Florian.

3) Initialize ct->timeout to calm down KASAN, from Alexander Potapenko.

4) Skip ICMP error messages from tunnels in IPVS, from Julian Anastasov.

5) Use a hash to expose conntrack and expectation ID, from Florian Westphal.

6) Prevent shift wrap in nft_chain_parse_hook(), from Dan Carpenter.

7) Fix broken ICMP ID randomization with NAT, also from Florian.

8) Remove WARN_ON in ebtables compat that is reached via syzkaller,
   from Florian Westphal.

9) Fix broken timestamps since fb420d5d91 ("tcp/fq: move back to
   CLOCK_MONOTONIC"), from Florian.

10) Fix logging of invalid packets in conntrack, from Andrei Vagin.
====================

Signed-off-by: David S. Miller <davem@davemloft.net>
2019-04-22 21:23:55 -07:00
Jeff Layton f456458e4d nfsd: wake blocked file lock waiters before sending callback
When a blocked NFS lock is "awoken" we send a callback to the server and
then wake any hosts waiting on it. If a client attempts to get a lock
and then drops off the net, we could end up waiting for a long time
until we end up waking locks blocked on that request.

So, wake any other waiting lock requests before sending the callback.
Do this by calling locks_delete_block in a new "prepare" phase for
CB_NOTIFY_LOCK callbacks.

URL: https://bugzilla.kernel.org/show_bug.cgi?id=203363
Fixes: 16306a61d3 ("fs/locks: always delete_block after waiting.")
Reported-by: Slawomir Pryczek <slawek1211@gmail.com>
Cc: Neil Brown <neilb@suse.com>
Cc: stable@vger.kernel.org
Signed-off-by: Jeff Layton <jlayton@kernel.org>
Signed-off-by: J. Bruce Fields <bfields@redhat.com>
2019-04-22 15:38:41 -04:00
Jeff Layton 6aaafc43a4 nfsd: wake waiters blocked on file_lock before deleting it
After a blocked nfsd file_lock request is deleted, knfsd will send a
callback to the client and then free the request. Commit 16306a61d3
("fs/locks: always delete_block after waiting.") changed it such that
locks_delete_block is always called on a request after it is awoken,
but that patch missed fixing up blocked nfsd request handling.

Call locks_delete_block on the block to wake up any locks still blocked
on the nfsd lock request before freeing it. Some of its callers already
do this however, so just remove those calls.

URL: https://bugzilla.kernel.org/show_bug.cgi?id=203363
Fixes: 16306a61d3 ("fs/locks: always delete_block after waiting.")
Reported-by: Slawomir Pryczek <slawek1211@gmail.com>
Cc: Neil Brown <neilb@suse.com>
Cc: stable@vger.kernel.org
Signed-off-by: Jeff Layton <jlayton@kernel.org>
Signed-off-by: J. Bruce Fields <bfields@redhat.com>
2019-04-22 15:31:54 -04:00
Linus Torvalds 7142eaa58b A couple more MIPS fixes:
- Fix indirect syscall tracing & seccomp filtering for big endian MIPS64
   kernels, which previously loaded the syscall number incorrectly &
   would always use zero.
 
 - Fix performance counter IRQ setup for Atheros/ath79 SoCs, allowing
   perf to function on those systems.
 
 And not really a fix, but a useful addition:
 
 - Add a Broadcom mailing list to the MAINTAINERS entry for BMIPS systems
   to allow relevant engineers to track patch submissions.
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Merge tag 'mips_fixes_5.1_3' of git://git.kernel.org/pub/scm/linux/kernel/git/mips/linux

Pull MIPS fixes from Paul Burton:
 "A couple more MIPS fixes:

   - Fix indirect syscall tracing & seccomp filtering for big endian
     MIPS64 kernels, which previously loaded the syscall number
     incorrectly & would always use zero.

   - Fix performance counter IRQ setup for Atheros/ath79 SoCs, allowing
     perf to function on those systems.

  And not really a fix, but a useful addition:

   - Add a Broadcom mailing list to the MAINTAINERS entry for BMIPS
     systems to allow relevant engineers to track patch submissions"

* tag 'mips_fixes_5.1_3' of git://git.kernel.org/pub/scm/linux/kernel/git/mips/linux:
  MIPS: perf: ath79: Fix perfcount IRQ assignment
  MIPS: scall64-o32: Fix indirect syscall number load
  MAINTAINERS: BMIPS: Add internal Broadcom mailing list
2019-04-22 11:54:47 -07:00
Andrei Vagin d48668052b netfilter: fix nf_l4proto_log_invalid to log invalid packets
It doesn't log a packet if sysctl_log_invalid isn't equal to protonum
OR sysctl_log_invalid isn't equal to IPPROTO_RAW. This sentence is
always true. I believe we need to replace OR to AND.

Cc: Florian Westphal <fw@strlen.de>
Fixes: c4f3db1595 ("netfilter: conntrack: add and use nf_l4proto_log_invalid")
Signed-off-by: Andrei Vagin <avagin@gmail.com>
Acked-by: Florian Westphal <fw@strlen.de>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
2019-04-22 10:38:50 +02:00
Florian Westphal 916f6efae6 netfilter: never get/set skb->tstamp
setting net.netfilter.nf_conntrack_timestamp=1 breaks xmit with fq
scheduler.  skb->tstamp might be "refreshed" using ktime_get_real(),
but fq expects CLOCK_MONOTONIC.

This patch removes all places in netfilter that check/set skb->tstamp:

1. To fix the bogus "start" time seen with conntrack timestamping for
   outgoing packets, never use skb->tstamp and always use current time.
2. In nfqueue and nflog, only use skb->tstamp for incoming packets,
   as determined by current hook (prerouting, input, forward).
3. xt_time has to use system clock as well rather than skb->tstamp.
   We could still use skb->tstamp for prerouting/input/foward, but
   I see no advantage to make this conditional.

Fixes: fb420d5d91 ("tcp/fq: move back to CLOCK_MONOTONIC")
Cc: Eric Dumazet <edumazet@google.com>
Reported-by: Michal Soltys <soltys@ziu.info>
Signed-off-by: Florian Westphal <fw@strlen.de>
Acked-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
2019-04-22 10:34:30 +02:00
Florian Westphal 7caa56f006 netfilter: ebtables: CONFIG_COMPAT: drop a bogus WARN_ON
It means userspace gave us a ruleset where there is some other
data after the ebtables target but before the beginning of the next rule.

Fixes: 81e675c227 ("netfilter: ebtables: add CONFIG_COMPAT support")
Reported-by: syzbot+659574e7bcc7f7eb4df7@syzkaller.appspotmail.com
Signed-off-by: Florian Westphal <fw@strlen.de>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
2019-04-22 10:34:30 +02:00
Borislav Petkov ea2f8d6060 x86/fault: Make fault messages more succinct
So we are going to be staring at those in the next years, let's make
them more succinct. In particular:

 - change "address = " to "address: "

 - "-privileged" reads funny. It should be simply "kernel" or "user"

 - "from kernel code" reads funny too. "kernel mode" or "user mode" is
   more natural.

An actual example says more than 1000 words, of course:

  [    0.248370] BUG: kernel NULL pointer dereference, address: 00000000000005b8
  [    0.249120] #PF: supervisor write access in kernel mode
  [    0.249717] #PF: error_code(0x0002) - not-present page

Signed-off-by: Borislav Petkov <bp@suse.de>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: dave.hansen@linux.intel.com
Cc: luto@kernel.org
Cc: riel@surriel.com
Cc: sean.j.christopherson@intel.com
Cc: yu-cheng.yu@intel.com
Link: http://lkml.kernel.org/r/20190421183524.GC6048@zn.tnic
Signed-off-by: Ingo Molnar <mingo@kernel.org>
2019-04-21 20:48:51 +02:00
Corentin Labbe 26d1b8586b Documentation: decnet: remove reference to CONFIG_DECNET_ROUTE_FWMARK
CONFIG_DECNET_ROUTE_FWMARK was removed in commit 47dcf0cb10 ("[NET]: Rethink mark field in struct flowi")
Since nothing replace it (and nothindg need to replace it, simply remove
it from documentation.

Signed-off-by: Corentin Labbe <clabbe@baylibre.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2019-04-21 11:25:11 -07:00
Corentin Labbe 39420fe04f dt-bindings: add an explanation for internal phy-mode
When working on the Allwinner internal PHY, the first work was to use
the "internal" mode, but some answer was made my mail on what are really
internal mean for PHY.

This patch write that in the doc.

Signed-off-by: Corentin Labbe <clabbe@baylibre.com>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: David S. Miller <davem@davemloft.net>
2019-04-21 11:24:08 -07:00
Linus Torvalds 085b775580 Linux 5.1-rc6 2019-04-21 10:45:57 -07:00
Jakub Kicinski 12c7686111 net/tls: don't leak IV and record seq when offload fails
When device refuses the offload in tls_set_device_offload_rx()
it calls tls_sw_free_resources_rx() to clean up software context
state.

Unfortunately, tls_sw_free_resources_rx() does not free all
the state tls_set_sw_offload() allocated - it leaks IV and
sequence number buffers.  All other code paths which lead to
tls_sw_release_resources_rx() (which tls_sw_free_resources_rx()
calls) free those right before the call.

Avoid the leak by moving freeing of iv and rec_seq into
tls_sw_release_resources_rx().

Fixes: 4799ac81e5 ("tls: Add rx inline crypto offload")
Signed-off-by: Jakub Kicinski <jakub.kicinski@netronome.com>
Reviewed-by: Dirk van der Merwe <dirk.vandermerwe@netronome.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2019-04-20 20:36:51 -07:00
Jakub Kicinski 62ef81d563 net/tls: avoid potential deadlock in tls_set_device_offload_rx()
If device supports offload, but offload fails tls_set_device_offload_rx()
will call tls_sw_free_resources_rx() which (unhelpfully) releases
and reacquires the socket lock.

For a small fix release and reacquire the device_offload_lock.

Fixes: 4799ac81e5 ("tls: Add rx inline crypto offload")
Signed-off-by: Jakub Kicinski <jakub.kicinski@netronome.com>
Reviewed-by: Dirk van der Merwe <dirk.vandermerwe@netronome.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2019-04-20 20:35:28 -07:00
Po-Hsu Lin 8c03557c3f selftests/net: correct the return value for run_afpackettests
The run_afpackettests will be marked as passed regardless the return
value of those sub-tests in the script:
    --------------------
    running psock_tpacket test
    --------------------
    [FAIL]
    selftests: run_afpackettests [PASS]

Fix this by changing the return value for each tests.

Signed-off-by: Po-Hsu Lin <po-hsu.lin@canonical.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2019-04-20 20:29:02 -07:00
Linus Torvalds 9e5de623a0 NFS client bugfixes for Linux 5.1
Highlights include:
 
 Bugfixes:
 - Fix a regression in which an RPC call can be tagged with an error despite
   the transmission being successful
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Merge tag 'nfs-for-5.1-5' of git://git.linux-nfs.org/projects/trondmy/linux-nfs

Pull NFS client bugfix from Trond Myklebust:
 "Fix a regression in which an RPC call can be tagged with an error
  despite the transmission being successful"

* tag 'nfs-for-5.1-5' of git://git.linux-nfs.org/projects/trondmy/linux-nfs:
  SUNRPC: Ignore queue transmission errors on successful transmission
2019-04-20 12:55:23 -07:00
Linus Torvalds a06bc2f241 SCSI fixes on 20190420
Three minor fixes: two obvious ones in drivers and a fix to the SG_IO
 path to correctly return status on error.
 
 Signed-off-by: James E.J. Bottomley <jejb@linux.ibm.com>
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Merge tag 'scsi-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi

Pull SCSI fixes from James Bottomley:
 "Three minor fixes: two obvious ones in drivers and a fix to the SG_IO
  path to correctly return status on error"

* tag 'scsi-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi:
  scsi: aic7xxx: fix EISA support
  Revert "scsi: fcoe: clear FC_RP_STARTED flags when receiving a LOGO"
  scsi: core: set result when the command cannot be dispatched
2019-04-20 12:52:23 -07:00
Linus Torvalds 38a2ca2cac for-linus-20190420
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Merge tag 'for-linus-20190420' of git://git.kernel.dk/linux-block

Pull block fixes from Jens Axboe:
 "A set of small fixes that should go into this series. This contains:

   - Removal of unused queue member (Hou)

   - Overflow bvec fix (Ming)

   - Various little io_uring tweaks (me)
       - kthread parking
       - Only call cpu_possible() for verified CPU
       - Drop unused 'file' argument to io_file_put()
       - io_uring_enter vs io_uring_register deadlock fix
       - CQ overflow fix

   - BFQ internal depth update fix (me)"

* tag 'for-linus-20190420' of git://git.kernel.dk/linux-block:
  block: make sure that bvec length can't be overflow
  block: kill all_q_node in request_queue
  io_uring: fix CQ overflow condition
  io_uring: fix possible deadlock between io_uring_{enter,register}
  io_uring: drop io_file_put() 'file' argument
  bfq: update internal depth state when queue depth changes
  io_uring: only test SQPOLL cpu after we've verified it
  io_uring: park SQPOLL thread if it's percpu
2019-04-20 12:20:58 -07:00
Linus Torvalds 34396bdfd2 - Fix the random PID check
- Fix the disable controller logic in the designware driver
 - Fix I3C entry in MAINTAINERS
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Merge tag 'i3c/fixes-for-5.1-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/i3c/linux

Pill i3c fixes from Boris Brezillon:

 - fix the random PID check

 - fix the disable controller logic in the designware driver

 - fix I3C entry in MAINTAINERS

* tag 'i3c/fixes-for-5.1-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/i3c/linux:
  MAINTAINERS: Fix the I3C entry
  i3c: dw: Fix dw_i3c_master_disable controller by using correct mask
  i3c: Fix the verification of random PID
2019-04-20 10:43:37 -07:00
Linus Torvalds 4b609f1e26 sound fixes for 5.1-rc6
Two core fixes for long-standing bugs for the races at concurrent
 device creation and deletion that were (unsurprisingly) spotted by
 syzkaller with usb-fuzzer.  The rest are usual small HD-audio fixes.
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Merge tag 'sound-5.1-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound

Pull sound fixes from Takashi Iwai:
 "Two core fixes for long-standing bugs for the races at concurrent
  device creation and deletion that were (unsurprisingly) spotted by
  syzkaller with usb-fuzzer.

  The rest are usual small HD-audio fixes"

* tag 'sound-5.1-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound:
  ALSA: hda/realtek - add two more pin configuration sets to quirk table
  ALSA: core: Fix card races between register and disconnect
  ALSA: info: Fix racy addition/deletion of nodes
  ALSA: hda: Initialize power_state field properly
2019-04-20 10:19:30 -07:00
Linus Torvalds e899cc3b3d Merge branch 'timers-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull timer fixes from Ingo Molnar:
 "Misc clocksource driver fixes, and a sched-clock wrapping fix"

* 'timers-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  timers/sched_clock: Prevent generic sched_clock wrap caused by tick_freeze()
  clocksource/drivers/timer-ti-dm: Remove omap_dm_timer_set_load_start
  clocksource/drivers/oxnas: Fix OX820 compatible
  clocksource/drivers/arm_arch_timer: Remove unneeded pr_fmt macro
  clocksource/drivers/npcm: select TIMER_OF
2019-04-20 10:10:49 -07:00