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2019-04-26l2tp: use rcu_dereference_sk_user_data() in l2tp_udp_encap_recv()Eric Dumazet1-1/+1
Canonical way to fetch sk_user_data from an encap_rcv() handler called from UDP stack in rcu protected section is to use rcu_dereference_sk_user_data(), otherwise compiler might read it multiple times. Fixes: d00fa9adc528 ("il2tp: fix races with tunnel socket close") Signed-off-by: Eric Dumazet <edumazet@google.com> Cc: James Chapman <jchapman@katalix.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2019-04-26Merge git://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpfDavid S. Miller7-33/+101
Alexei Starovoitov says: ==================== pull-request: bpf 2019-04-25 The following pull-request contains BPF updates for your *net* tree. The main changes are: 1) the bpf verifier fix to properly mark registers in all stack frames, from Paul. 2) preempt_enable_no_resched->preempt_enable fix, from Peter. 3) other misc fixes. ==================== Signed-off-by: David S. Miller <davem@davemloft.net>
2019-04-26bpf: Fix preempt_enable_no_resched() abusePeter Zijlstra1-1/+1
Unless the very next line is schedule(), or implies it, one must not use preempt_enable_no_resched(). It can cause a preemption to go missing and thereby cause arbitrary delays, breaking the PREEMPT=y invariant. Cc: Roman Gushchin <guro@fb.com> Cc: Alexei Starovoitov <ast@kernel.org> Cc: Daniel Borkmann <daniel@iogearbox.net> Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org> Signed-off-by: Alexei Starovoitov <ast@kernel.org>
2019-04-26selftests/bpf: test cases for pkt/null checks in subprogsPaul Chaignon2-0/+47
The first test case, for pointer null checks, is equivalent to the following pseudo-code. It checks that the verifier does not complain on line 6 and recognizes that ptr isn't null. 1: ptr = bpf_map_lookup_elem(map, &key); 2: ret = subprog(ptr) { 3: return ptr != NULL; 4: } 5: if (ret) 6: value = *ptr; The second test case, for packet bound checks, is equivalent to the following pseudo-code. It checks that the verifier does not complain on line 7 and recognizes that the packet is at least 1 byte long. 1: pkt_end = ctx.pkt_end; 2: ptr = ctx.pkt + 8; 3: ret = subprog(ptr, pkt_end) { 4: return ptr <= pkt_end; 5: } 6: if (ret) 7: value = *(u8 *)ctx.pkt; Signed-off-by: Paul Chaignon <paul.chaignon@orange.com> Signed-off-by: Alexei Starovoitov <ast@kernel.org>
2019-04-26bpf: mark registers in all frames after pkt/null checksPaul Chaignon1-30/+46
In case of a null check on a pointer inside a subprog, we should mark all registers with this pointer as either safe or unknown, in both the current and previous frames. Currently, only spilled registers and registers in the current frame are marked. Packet bound checks in subprogs have the same issue. This patch fixes it to mark registers in previous frames as well. A good reproducer for null checks looks as follow: 1: ptr = bpf_map_lookup_elem(map, &key); 2: ret = subprog(ptr) { 3: return ptr != NULL; 4: } 5: if (ret) 6: value = *ptr; With the above, the verifier will complain on line 6 because it sees ptr as map_value_or_null despite the null check in subprog 1. Note that this patch fixes another resulting bug when using bpf_sk_release(): 1: sk = bpf_sk_lookup_tcp(...); 2: subprog(sk) { 3: if (sk) 4: bpf_sk_release(sk); 5: } 6: if (!sk) 7: return 0; 8: return 1; In the above, mark_ptr_or_null_regs will warn on line 6 because it will try to free the reference state, even though it was already freed on line 3. Fixes: f4d7e40a5b71 ("bpf: introduce function calls (verification)") Signed-off-by: Paul Chaignon <paul.chaignon@orange.com> Signed-off-by: Alexei Starovoitov <ast@kernel.org>
2019-04-26libbpf: add binary to gitignoreMatteo Croce1-0/+1
Some binaries are generated when building libbpf from tools/lib/bpf/, namely libbpf.so.0.0.2 and libbpf.so.0. Add them to the local .gitignore. Signed-off-by: Matteo Croce <mcroce@redhat.com> Reviewed-by: Jakub Kicinski <jakub.kicinski@netronome.com> Acked-by: Song Liu <songliubraving@fb.com> Signed-off-by: Daniel Borkmann <daniel@iogearbox.net> Signed-off-by: Alexei Starovoitov <ast@kernel.org>
2019-04-26tools: bpftool: fix infinite loop in map createAlban Crequy1-0/+3
"bpftool map create" has an infinite loop on "while (argc)". The error case is missing. Symptoms: when forgetting to type the keyword 'type' in front of 'hash': $ sudo bpftool map create /sys/fs/bpf/dir/foobar hash key 8 value 8 entries 128 (infinite loop, taking all the CPU) ^C After the patch: $ sudo bpftool map create /sys/fs/bpf/dir/foobar hash key 8 value 8 entries 128 Error: unknown arg hash Fixes: 0b592b5a01be ("tools: bpftool: add map create command") Signed-off-by: Alban Crequy <alban@kinvolk.io> Reviewed-by: Quentin Monnet <quentin.monnet@netronome.com> Acked-by: Song Liu <songliubraving@fb.com> Reviewed-by: Jakub Kicinski <jakub.kicinski@netronome.com> Signed-off-by: Daniel Borkmann <daniel@iogearbox.net> Signed-off-by: Alexei Starovoitov <ast@kernel.org>
2019-04-26MIPS: eBPF: Make ebpf_to_mips_reg() staticYueHaibing1-2/+3
Fix sparse warning: arch/mips/net/ebpf_jit.c:196:5: warning: symbol 'ebpf_to_mips_reg' was not declared. Should it be static? Reported-by: Hulk Robot <hulkci@huawei.com> Signed-off-by: YueHaibing <yuehaibing@huawei.com> Acked-by: Yonghong Song <yhs@fb.com> Signed-off-by: Daniel Borkmann <daniel@iogearbox.net> Signed-off-by: Alexei Starovoitov <ast@kernel.org>
2019-04-25Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/netLinus Torvalds61-184/+687
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 ...
2019-04-25Merge tag 'leds-for-5.1-rc7' of ↵Linus Torvalds1-0/+1
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
2019-04-25ipv4: add sanity checks in ipv4_link_failure()Eric Dumazet1-9/+23
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: ed0de45a1008 ("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>
2019-04-25net/rose: fix unbound loop in rose_loopback_timer()Eric Dumazet1-11/+16
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: 1da177e4c3f4 ("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>
2019-04-25rxrpc: fix race condition in rxrpc_input_packet()Eric Dumazet2-5/+10
After commit 5271953cad31 ("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: 5271953cad31 ("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>
2019-04-24MAINTAINERS: LEDs: Add designated reviewer for LED subsystemDan Murphy1-0/+1
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>
2019-04-24net: rds: exchange of 8K and 1M poolZhu Yanjun2-3/+11
Before the commit 490ea5967b0d ("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 490ea5967b0d ("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 490ea5967b0d ("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>
2019-04-24net: vrf: Fix operation not supported when set vrf macMiaohe Lin1-0/+2
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>
2019-04-24net/ncsi: handle overflow when incrementing mac addressTao Ren2-1/+17
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: cb10c7c0dfd9 ("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>
2019-04-24Merge tag 'drm-fixes-2019-04-24' of git://anongit.freedesktop.org/drm/drmLinus Torvalds4-7/+25
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"
2019-04-24net: socionext: replace napi_alloc_frag with the netdev variant on initIlias Apalodimas1-4/+7
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: 4acb20b46214 ("net: socionext: different approach on DMA") Signed-off-by: Ilias Apalodimas <ilias.apalodimas@linaro.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2019-04-24net: atheros: fix spelling mistake "underun" -> "underrun"Colin Ian King4-5/+5
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>
2019-04-24Revert "drm/virtio: drop prime import/export callbacks"Dave Airlie3-0/+20
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 b318e3ff7ca065d6b107e424c85a63d7a6798a69. [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: b318e3ff7ca065d6b107e424c85a63d7a6798a ("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>
2019-04-24Revert "drm/i915/fbdev: Actually configure untiled displays"Dave Airlie1-7/+5
This reverts commit d179b88deb3bf6fed4991a31fd6f0f2cad21fab5. 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+
2019-04-23Merge tag 'nfsd-5.1-1' of git://linux-nfs.org/~bfields/linuxLinus Torvalds6-7/+45
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.
2019-04-23Merge tag 'syscalls-5.1' of ↵Linus Torvalds16-1/+65
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
2019-04-23spi: ST ST95HF NFC: declare missing of tableDaniel Gomez1-0/+7
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>
2019-04-23spi: Micrel eth switch: declare missing of tableDaniel Gomez1-0/+9
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>
2019-04-23net: stmmac: move stmmac_check_ether_addr() to driver probeVinod Koul1-2/+2
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>
2019-04-23Merge git://git.kernel.org/pub/scm/linux/kernel/git/pablo/nfDavid S. Miller17-105/+493
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 fb420d5d91c1 ("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>
2019-04-22nfsd: wake blocked file lock waiters before sending callbackJeff Layton1-0/+9
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: 16306a61d3b7 ("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>
2019-04-22nfsd: wake waiters blocked on file_lock before deleting itJeff Layton1-2/+1
After a blocked nfsd file_lock request is deleted, knfsd will send a callback to the client and then free the request. Commit 16306a61d3b7 ("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: 16306a61d3b7 ("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>
2019-04-22Merge tag 'mips_fixes_5.1_3' of ↵Linus Torvalds4-7/+13
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
2019-04-22netfilter: fix nf_l4proto_log_invalid to log invalid packetsAndrei Vagin1-1/+1
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: c4f3db1595827 ("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>
2019-04-22netfilter: never get/set skb->tstampFlorian Westphal4-16/+18
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: fb420d5d91c1 ("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>
2019-04-22netfilter: ebtables: CONFIG_COMPAT: drop a bogus WARN_ONFlorian Westphal1-1/+2
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: 81e675c227ec ("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>
2019-04-21Documentation: decnet: remove reference to CONFIG_DECNET_ROUTE_FWMARKCorentin Labbe1-2/+0
CONFIG_DECNET_ROUTE_FWMARK was removed in commit 47dcf0cb1005 ("[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>
2019-04-21dt-bindings: add an explanation for internal phy-modeCorentin Labbe1-1/+2
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>
2019-04-21Linux 5.1-rc6Linus Torvalds1-1/+1
2019-04-21net/tls: don't leak IV and record seq when offload failsJakub Kicinski3-6/+4
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: 4799ac81e52a ("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>
2019-04-21net/tls: avoid potential deadlock in tls_set_device_offload_rx()Jakub Kicinski1-0/+2
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: 4799ac81e52a ("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>
2019-04-21selftests/net: correct the return value for run_afpackettestsPo-Hsu Lin1-0/+5
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>
2019-04-20Merge tag 'nfs-for-5.1-5' of git://git.linux-nfs.org/projects/trondmy/linux-nfsLinus Torvalds1-2/+5
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
2019-04-20Merge tag 'scsi-fixes' of ↵Linus Torvalds6-8/+12
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
2019-04-20Merge tag 'for-linus-20190420' of git://git.kernel.dk/linux-blockLinus Torvalds6-15/+43
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
2019-04-20Merge tag 'i3c/fixes-for-5.1-rc6' of ↵Linus Torvalds3-5/+3
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
2019-04-20Merge tag 'sound-5.1-rc6' of ↵Linus Torvalds4-11/+26
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
2019-04-20Merge branch 'timers-urgent-for-linus' of ↵Linus Torvalds7-35/+14
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
2019-04-20Merge branch 'perf-urgent-for-linus' of ↵Linus Torvalds20-98/+195
git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip Pull perf fixes from Ingo Molnar: "Misc fixes: - various tooling fixes - kretprobe fixes - kprobes annotation fixes - kprobes error checking fix - fix the default events for AMD Family 17h CPUs - PEBS fix - AUX record fix - address filtering fix" * 'perf-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: x86/kprobes: Avoid kretprobe recursion bug kprobes: Mark ftrace mcount handler functions nokprobe x86/kprobes: Verify stack frame on kretprobe perf/x86/amd: Add event map for AMD Family 17h perf bpf: Return NULL when RB tree lookup fails in perf_env__find_btf() perf tools: Fix map reference counting perf evlist: Fix side band thread draining perf tools: Check maps for bpf programs perf bpf: Return NULL when RB tree lookup fails in perf_env__find_bpf_prog_info() tools include uapi: Sync sound/asound.h copy perf top: Always sample time to satisfy needs of use of ordered queuing perf evsel: Use hweight64() instead of hweight_long(attr.sample_regs_user) tools lib traceevent: Fix missing equality check for strcmp perf stat: Disable DIR_FORMAT feature for 'perf stat record' perf scripts python: export-to-sqlite.py: Fix use of parent_id in calls_view perf header: Fix lock/unlock imbalances when processing BPF/BTF info perf/x86: Fix incorrect PEBS_REGS perf/ring_buffer: Fix AUX record suppression perf/core: Fix the address filtering fix kprobes: Fix error check when reusing optimized probes
2019-04-20Merge branch 'x86-urgent-for-linus' of ↵Linus Torvalds12-15/+47
git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip Pull x86 fixes from Ingo Molnar: "Misc fixes all over the place: a console spam fix, section attributes fixes, a KASLR fix, a TLB stack-variable alignment fix, a reboot quirk, boot options related warnings fix, an LTO fix, a deadlock fix and an RDT fix" * 'x86-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: x86/cpu/intel: Lower the "ENERGY_PERF_BIAS: Set to normal" message's log priority x86/cpu/bugs: Use __initconst for 'const' init data x86/mm/KASLR: Fix the size of the direct mapping section x86/Kconfig: Fix spelling mistake "effectivness" -> "effectiveness" x86/mm/tlb: Revert "x86/mm: Align TLB invalidation info" x86/reboot, efi: Use EFI reboot for Acer TravelMate X514-51T x86/mm: Prevent bogus warnings with "noexec=off" x86/build/lto: Fix truncated .bss with -fdata-sections x86/speculation: Prevent deadlock on ssb_state::lock x86/resctrl: Do not repeat rdtgroup mode initialization
2019-04-20Merge branch 'sched-urgent-for-linus' of ↵Linus Torvalds2-2/+26
git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip Pull scheduler fixes from Ingo Molnar: "A deadline scheduler warning/race fix, and a cfs_period_us quota calculation workaround where the real fix looks too involved to merge immediately" * 'sched-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: sched/deadline: Correctly handle active 0-lag timers sched/fair: Limit sched_cfs_period_timer() loop to avoid hard lockup
2019-04-20Merge branch 'locking-urgent-for-linus' of ↵Linus Torvalds2-5/+6
git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip Pull locking fixes from Ingo Molnar: "A lockdep warning fix and a script execution fix when atomics are generated" * 'locking-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: locking/atomics: Don't assume that scripts are executable locking/lockdep: Make lockdep_unregister_key() honor 'debug_locks' again
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