- 17 8月, 2017 4 次提交
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由 Baoquan He 提交于
The existing map iteration helper for_each_efi_memory_desc_in_map can only be used after the kernel initializes the EFI subsystem to set up struct efi_memory_map. Before that we also need iterate map descriptors which are stored in several intermediate structures, like struct efi_boot_memmap for arch independent usage and struct efi_info for x86 arch only. Introduce efi_early_memdesc_ptr() to get pointer to a map descriptor, and replace several places where that primitive is open coded. Signed-off-by: NBaoquan He <bhe@redhat.com> [ Various improvements to the text. ] Acked-by: NMatt Fleming <matt@codeblueprint.co.uk> Cc: Linus Torvalds <torvalds@linux-foundation.org> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Thomas Gleixner <tglx@linutronix.de> Cc: ard.biesheuvel@linaro.org Cc: fanc.fnst@cn.fujitsu.com Cc: izumi.taku@jp.fujitsu.com Cc: keescook@chromium.org Cc: linux-efi@vger.kernel.org Cc: n-horiguchi@ah.jp.nec.com Cc: thgarnie@google.com Link: http://lkml.kernel.org/r/20170816134651.GF21273@x1Signed-off-by: NIngo Molnar <mingo@kernel.org>
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由 Ingo Molnar 提交于
Signed-off-by: NIngo Molnar <mingo@kernel.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi由 Linus Torvalds 提交于
Pull SCSI fixes from James Bottomley: "A couple of minor fixes (st, ses) and some bigger driver fixes for qla2xxx (crash triggered by fw dump) and ipr (lockdep problems with mq)" * tag 'scsi-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi: scsi: ses: Fix wrong page error scsi: ipr: Fix scsi-mq lockdep issue scsi: st: fix blk_get_queue usage scsi: qla2xxx: Fix system crash while triggering FW dump
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git://git.kernel.org/pub/scm/linux/kernel/git/pcmoore/audit由 Linus Torvalds 提交于
Pull audit fixes from Paul Moore: "Two small fixes to the audit code, both explained well in the respective patch descriptions, but the quick summary is one use-after-free fix, and one silly fanotify notification flag fix" * tag 'audit-pr-20170816' of git://git.kernel.org/pub/scm/linux/kernel/git/pcmoore/audit: audit: Receive unmount event audit: Fix use after free in audit_remove_watch_rule()
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- 16 8月, 2017 14 次提交
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git://git.kernel.org/pub/scm/linux/kernel/git/davem/net由 Linus Torvalds 提交于
Pull networking fixes from David Miller: 1) Fix TCP checksum offload handling in iwlwifi driver, from Emmanuel Grumbach. 2) In ksz DSA tagging code, free SKB if skb_put_padto() fails. From Vivien Didelot. 3) Fix two regressions with bonding on wireless, from Andreas Born. 4) Fix build when busypoll is disabled, from Daniel Borkmann. 5) Fix copy_linear_skb() wrt. SO_PEEK_OFF, from Eric Dumazet. 6) Set SKB cached route properly in inet_rtm_getroute(), from Florian Westphal. 7) Fix PCI-E relaxed ordering handling in cxgb4 driver, from Ding Tianhong. 8) Fix module refcnt leak in ULP code, from Sabrina Dubroca. 9) Fix use of GFP_KERNEL in atomic contexts in AF_KEY code, from Eric Dumazet. 10) Need to purge socket write queue in dccp_destroy_sock(), also from Eric Dumazet. 11) Make bpf_trace_printk() work properly on 32-bit architectures, from Daniel Borkmann. * git://git.kernel.org/pub/scm/linux/kernel/git/davem/net: (47 commits) bpf: fix bpf_trace_printk on 32 bit archs PCI: fix oops when try to find Root Port for a PCI device sfc: don't try and read ef10 data on non-ef10 NIC net_sched: remove warning from qdisc_hash_add net_sched/sfq: update hierarchical backlog when drop packet net_sched: reset pointers to tcf blocks in classful qdiscs' destructors ipv4: fix NULL dereference in free_fib_info_rcu() net: Fix a typo in comment about sock flags. ipv6: fix NULL dereference in ip6_route_dev_notify() tcp: fix possible deadlock in TCP stack vs BPF filter dccp: purge write queue in dccp_destroy_sock() udp: fix linear skb reception with PEEK_OFF ipv6: release rt6->rt6i_idev properly during ifdown af_key: do not use GFP_KERNEL in atomic contexts tcp: ulp: avoid module refcnt leak in tcp_set_ulp net/cxgb4vf: Use new PCI_DEV_FLAGS_NO_RELAXED_ORDERING flag net/cxgb4: Use new PCI_DEV_FLAGS_NO_RELAXED_ORDERING flag PCI: Disable Relaxed Ordering Attributes for AMD A1100 PCI: Disable Relaxed Ordering for some Intel processors PCI: Disable PCIe Relaxed Ordering if unsupported ...
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由 Daniel Borkmann 提交于
James reported that on MIPS32 bpf_trace_printk() is currently broken while MIPS64 works fine: bpf_trace_printk() uses conditional operators to attempt to pass different types to __trace_printk() depending on the format operators. This doesn't work as intended on 32-bit architectures where u32 and long are passed differently to u64, since the result of C conditional operators follows the "usual arithmetic conversions" rules, such that the values passed to __trace_printk() will always be u64 [causing issues later in the va_list handling for vscnprintf()]. For example the samples/bpf/tracex5 test printed lines like below on MIPS32, where the fd and buf have come from the u64 fd argument, and the size from the buf argument: [...] 1180.941542: 0x00000001: write(fd=1, buf= (null), size=6258688) Instead of this: [...] 1625.616026: 0x00000001: write(fd=1, buf=009e4000, size=512) One way to get it working is to expand various combinations of argument types into 8 different combinations for 32 bit and 64 bit kernels. Fix tested by James on MIPS32 and MIPS64 as well that it resolves the issue. Fixes: 9c959c86 ("tracing: Allow BPF programs to call bpf_trace_printk()") Reported-by: NJames Hogan <james.hogan@imgtec.com> Tested-by: NJames Hogan <james.hogan@imgtec.com> Signed-off-by: NDaniel Borkmann <daniel@iogearbox.net> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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由 dingtianhong 提交于
Eric report a oops when booting the system after applying the commit a99b646a ("PCI: Disable PCIe Relaxed..."): [ 4.241029] BUG: unable to handle kernel NULL pointer dereference at 0000000000000050 [ 4.247001] IP: pci_find_pcie_root_port+0x62/0x80 [ 4.253011] PGD 0 [ 4.253011] P4D 0 [ 4.253011] [ 4.258013] Oops: 0000 [#1] SMP DEBUG_PAGEALLOC [ 4.262015] Modules linked in: [ 4.265005] CPU: 31 PID: 1 Comm: swapper/0 Not tainted 4.13.0-dbx-DEV #316 [ 4.271002] Hardware name: Intel RML,PCH/Iota_QC_19, BIOS 2.40.0 06/22/2016 [ 4.279002] task: ffffa2ee38cfa040 task.stack: ffffa51ec0004000 [ 4.285001] RIP: 0010:pci_find_pcie_root_port+0x62/0x80 [ 4.290012] RSP: 0000:ffffa51ec0007ab8 EFLAGS: 00010246 [ 4.295003] RAX: 0000000000000000 RBX: ffffa2ee36bae000 RCX: 0000000000000006 [ 4.303002] RDX: 000000000000081c RSI: ffffa2ee38cfa8c8 RDI: ffffa2ee36bae000 [ 4.310013] RBP: ffffa51ec0007b58 R08: 0000000000000001 R09: 0000000000000000 [ 4.317001] R10: 0000000000000000 R11: 0000000000000000 R12: ffffa51ec0007ad0 [ 4.324005] R13: ffffa2ee36bae098 R14: 0000000000000002 R15: ffffa2ee37204818 [ 4.331002] FS: 0000000000000000(0000) GS:ffffa2ee3fcc0000(0000) knlGS:0000000000000000 [ 4.339002] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 4.345001] CR2: 0000000000000050 CR3: 000000401000f000 CR4: 00000000001406e0 [ 4.351002] Call Trace: [ 4.354012] ? pci_configure_device+0x19f/0x570 [ 4.359002] ? pci_conf1_read+0xb8/0xf0 [ 4.363002] ? raw_pci_read+0x23/0x40 [ 4.366011] ? pci_read+0x2c/0x30 [ 4.370014] ? pci_read_config_word+0x67/0x70 [ 4.374012] pci_device_add+0x28/0x230 [ 4.378012] ? pci_vpd_f0_read+0x50/0x80 [ 4.382014] pci_scan_single_device+0x96/0xc0 [ 4.386012] pci_scan_slot+0x79/0xf0 [ 4.389001] pci_scan_child_bus+0x31/0x180 [ 4.394014] acpi_pci_root_create+0x1c6/0x240 [ 4.398013] pci_acpi_scan_root+0x15f/0x1b0 [ 4.402012] acpi_pci_root_add+0x2e6/0x400 [ 4.406012] ? acpi_evaluate_integer+0x37/0x60 [ 4.411002] acpi_bus_attach+0xdf/0x200 [ 4.415002] acpi_bus_attach+0x6a/0x200 [ 4.418014] acpi_bus_attach+0x6a/0x200 [ 4.422013] acpi_bus_scan+0x38/0x70 [ 4.426011] acpi_scan_init+0x10c/0x271 [ 4.429001] acpi_init+0x2fa/0x348 [ 4.433004] ? acpi_sleep_proc_init+0x2d/0x2d [ 4.437001] do_one_initcall+0x43/0x169 [ 4.441001] kernel_init_freeable+0x1d0/0x258 [ 4.445003] ? rest_init+0xe0/0xe0 [ 4.449001] kernel_init+0xe/0x150 ====================== cut here ============================= It looks like the pci_find_pcie_root_port() was trying to find the Root Port for the PCI device which is the Root Port already, it will return NULL and trigger the problem, so check the highest_pcie_bridge to fix thie problem. Fixes: a99b646a ("PCI: Disable PCIe Relaxed Ordering if unsupported") Fixes: c56d4450 ("PCI: Turn off Request Attributes to avoid Chelsio T5 Completion erratum") Reported-by: NEric Dumazet <eric.dumazet@gmail.com> Signed-off-by: NEric Dumazet <eric.dumazet@gmail.com> Signed-off-by: NDing Tianhong <dingtianhong@huawei.com> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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由 Bert Kenward 提交于
The MAC stats command takes a port ID, which doesn't exist on pre-ef10 NICs (5000- and 6000- series). This is extracted from the NIC specific data; we misinterpret this as the ef10 data structure, causing us to read potentially unallocated data. With a KASAN kernel this can cause errors with: BUG: KASAN: slab-out-of-bounds in efx_mcdi_mac_stats Fixes: 0a2ab4d9 ("sfc: set the port-id when calling MC_CMD_MAC_STATS") Reported-by: NStefano Brivio <sbrivio@redhat.com> Tested-by: NStefano Brivio <sbrivio@redhat.com> Signed-off-by: NBert Kenward <bkenward@solarflare.com> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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由 Konstantin Khlebnikov 提交于
It was added in commit e57a784d ("pkt_sched: set root qdisc before change() in attach_default_qdiscs()") to hide duplicates from "tc qdisc show" for incative deivices. After 59cc1f61 ("net: sched: convert qdisc linked list to hashtable") it triggered when classful qdisc is added to inactive device because default qdiscs are added before switching root qdisc. Anyway after commit ea327469 ("net: sched: avoid duplicates in qdisc dump") duplicates are filtered right in dumper. Signed-off-by: NKonstantin Khlebnikov <khlebnikov@yandex-team.ru> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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由 Konstantin Khlebnikov 提交于
When sfq_enqueue() drops head packet or packet from another queue it have to update backlog at upper qdiscs too. Fixes: 2ccccf5f ("net_sched: update hierarchical backlog too") Signed-off-by: NKonstantin Khlebnikov <khlebnikov@yandex-team.ru> Acked-by: NEric Dumazet <edumazet@google.com> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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由 Konstantin Khlebnikov 提交于
Traffic filters could keep direct pointers to classes in classful qdisc, thus qdisc destruction first removes all filters before freeing classes. Class destruction methods also tries to free attached filters but now this isn't safe because tcf_block_put() unlike to tcf_destroy_chain() cannot be called second time. This patch set class->block to NULL after first tcf_block_put() and turn second call into no-op. Fixes: 6529eaba ("net: sched: introduce tcf block infractructure") Signed-off-by: NKonstantin Khlebnikov <khlebnikov@yandex-team.ru> Acked-by: NJiri Pirko <jiri@mellanox.com> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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由 Eric Dumazet 提交于
If fi->fib_metrics could not be allocated in fib_create_info() we attempt to dereference a NULL pointer in free_fib_info_rcu() : m = fi->fib_metrics; if (m != &dst_default_metrics && atomic_dec_and_test(&m->refcnt)) kfree(m); Before my recent patch, we used to call kfree(NULL) and nothing wrong happened. Instead of using RCU to defer freeing while we are under memory stress, it seems better to take immediate action. This was reported by syzkaller team. Fixes: 3fb07daf ("ipv4: add reference counting to metrics") Signed-off-by: NEric Dumazet <edumazet@google.com> Reported-by: NDmitry Vyukov <dvyukov@google.com> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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由 Tonghao Zhang 提交于
Signed-off-by: NTonghao Zhang <xiangxia.m.yue@gmail.com> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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由 Eric Dumazet 提交于
Based on a syzkaller report [1], I found that a per cpu allocation failure in snmp6_alloc_dev() would then lead to NULL dereference in ip6_route_dev_notify(). It seems this is a very old bug, thus no Fixes tag in this submission. Let's add in6_dev_put_clear() helper, as we will probably use it elsewhere (once available/present in net-next) [1] kasan: CONFIG_KASAN_INLINE enabled kasan: GPF could be caused by NULL-ptr deref or user memory access general protection fault: 0000 [#1] SMP KASAN Dumping ftrace buffer: (ftrace buffer empty) Modules linked in: CPU: 1 PID: 17294 Comm: syz-executor6 Not tainted 4.13.0-rc2+ #10 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 task: ffff88019f456680 task.stack: ffff8801c6e58000 RIP: 0010:__read_once_size include/linux/compiler.h:250 [inline] RIP: 0010:atomic_read arch/x86/include/asm/atomic.h:26 [inline] RIP: 0010:refcount_sub_and_test+0x7d/0x1b0 lib/refcount.c:178 RSP: 0018:ffff8801c6e5f1b0 EFLAGS: 00010202 RAX: 0000000000000037 RBX: dffffc0000000000 RCX: ffffc90005d25000 RDX: ffff8801c6e5f218 RSI: ffffffff82342bbf RDI: 0000000000000001 RBP: ffff8801c6e5f240 R08: 0000000000000001 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000000 R12: 1ffff10038dcbe37 R13: 0000000000000006 R14: 0000000000000001 R15: 00000000000001b8 FS: 00007f21e0429700(0000) GS:ffff8801dc100000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000001ddbc22000 CR3: 00000001d632b000 CR4: 00000000001426e0 DR0: 0000000020000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000600 Call Trace: refcount_dec_and_test+0x1a/0x20 lib/refcount.c:211 in6_dev_put include/net/addrconf.h:335 [inline] ip6_route_dev_notify+0x1c9/0x4a0 net/ipv6/route.c:3732 notifier_call_chain+0x136/0x2c0 kernel/notifier.c:93 __raw_notifier_call_chain kernel/notifier.c:394 [inline] raw_notifier_call_chain+0x2d/0x40 kernel/notifier.c:401 call_netdevice_notifiers_info+0x51/0x90 net/core/dev.c:1678 call_netdevice_notifiers net/core/dev.c:1694 [inline] rollback_registered_many+0x91c/0xe80 net/core/dev.c:7107 rollback_registered+0x1be/0x3c0 net/core/dev.c:7149 register_netdevice+0xbcd/0xee0 net/core/dev.c:7587 register_netdev+0x1a/0x30 net/core/dev.c:7669 loopback_net_init+0x76/0x160 drivers/net/loopback.c:214 ops_init+0x10a/0x570 net/core/net_namespace.c:118 setup_net+0x313/0x710 net/core/net_namespace.c:294 copy_net_ns+0x27c/0x580 net/core/net_namespace.c:418 create_new_namespaces+0x425/0x880 kernel/nsproxy.c:107 unshare_nsproxy_namespaces+0xae/0x1e0 kernel/nsproxy.c:206 SYSC_unshare kernel/fork.c:2347 [inline] SyS_unshare+0x653/0xfa0 kernel/fork.c:2297 entry_SYSCALL_64_fastpath+0x1f/0xbe RIP: 0033:0x4512c9 RSP: 002b:00007f21e0428c08 EFLAGS: 00000216 ORIG_RAX: 0000000000000110 RAX: ffffffffffffffda RBX: 0000000000718150 RCX: 00000000004512c9 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000062020200 RBP: 0000000000000086 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000216 R12: 00000000004b973d R13: 00000000ffffffff R14: 000000002001d000 R15: 00000000000002dd Code: 50 2b 34 82 c7 00 f1 f1 f1 f1 c7 40 04 04 f2 f2 f2 c7 40 08 f3 f3 f3 f3 e8 a1 43 39 ff 4c 89 f8 48 8b 95 70 ff ff ff 48 c1 e8 03 <0f> b6 0c 18 4c 89 f8 83 e0 07 83 c0 03 38 c8 7c 08 84 c9 0f 85 RIP: __read_once_size include/linux/compiler.h:250 [inline] RSP: ffff8801c6e5f1b0 RIP: atomic_read arch/x86/include/asm/atomic.h:26 [inline] RSP: ffff8801c6e5f1b0 RIP: refcount_sub_and_test+0x7d/0x1b0 lib/refcount.c:178 RSP: ffff8801c6e5f1b0 ---[ end trace e441d046c6410d31 ]--- Signed-off-by: NEric Dumazet <edumazet@google.com> Reported-by: NDmitry Vyukov <dvyukov@google.com> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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由 Jan Kara 提交于
Although audit_watch_handle_event() can handle FS_UNMOUNT event, it is not part of AUDIT_FS_WATCH mask and thus such event never gets to audit_watch_handle_event(). Thus fsnotify marks are deleted by fsnotify subsystem on unmount without audit being notified about that which leads to a strange state of existing audit rules with dead fsnotify marks. Add FS_UNMOUNT to the mask of events to be received so that audit can clean up its state accordingly. Signed-off-by: NJan Kara <jack@suse.cz> Signed-off-by: NPaul Moore <paul@paul-moore.com>
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由 Jan Kara 提交于
audit_remove_watch_rule() drops watch's reference to parent but then continues to work with it. That is not safe as parent can get freed once we drop our reference. The following is a trivial reproducer: mount -o loop image /mnt touch /mnt/file auditctl -w /mnt/file -p wax umount /mnt auditctl -D <crash in fsnotify_destroy_mark()> Grab our own reference in audit_remove_watch_rule() earlier to make sure mark does not get freed under us. CC: stable@vger.kernel.org Reported-by: NTony Jones <tonyj@suse.de> Signed-off-by: NJan Kara <jack@suse.cz> Tested-by: NTony Jones <tonyj@suse.de> Signed-off-by: NPaul Moore <paul@paul-moore.com>
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由 Linus Torvalds 提交于
Merge tag 'linux-kselftest-4.13-rc6-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/shuah/linux-kselftest Pull kselftest fixes from Shuah Khan: "This update consists of important compile and run-time error fixes to timers/freq-step, kmod, and sysctl tests" * tag 'linux-kselftest-4.13-rc6-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/shuah/linux-kselftest: selftests: timers: freq-step: fix compile error selftests: futex: fix run_tests target test_sysctl: fix sysctl.sh by making it executable test_kmod: fix kmod.sh by making it executable
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由 David S. Miller 提交于
Merge tag 'wireless-drivers-for-davem-2017-08-15' of git://git.kernel.org/pub/scm/linux/kernel/git/kvalo/wireless-drivers Kalle Valo says: ==================== wireless-drivers fixes for 4.13 This time quite a few fixes for iwlwifi and one major regression fix for brcmfmac. For the iwlwifi aggregation bug a small change was needed for mac80211, but as Johannes is still away the mac80211 patch is taken via wireless-drivers tree. brcmfmac * fix firmware crash (a recent regression in bcm4343{0,1,8} iwlwifi * Some simple PCI HW ID fix-ups and additions for family 9000 * Remove a bogus warning message with new FWs (bug #196915) * Don't allow illegal channel options to be used (bug #195299) * A fix for checksum offload in family 9000 * A fix serious throughput degradation in 11ac with multiple streams * An old bug in SMPS where the firmware was not aware of SMPS changes * Fix a memory leak in the SAR code * Fix a stuck queue case in AP mode; * Convert a WARN to a simple debug in a legitimate race case (from which we can recover) * Fix a severe throughput aggregation on 9000-family devices due to aggregation issues, needed a small change in mac80211 ==================== Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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- 15 8月, 2017 17 次提交
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由 Eric Dumazet 提交于
Filtering the ACK packet was not put at the right place. At this place, we already allocated a child and put it into accept queue. We absolutely need to call tcp_child_process() to release its spinlock, or we will deadlock at accept() or close() time. Found by syzkaller team (Thanks a lot !) Fixes: 8fac365f ("tcp: Add a tcp_filter hook before handle ack packet") Signed-off-by: NEric Dumazet <edumazet@google.com> Reported-by: NDmitry Vyukov <dvyukov@google.com> Cc: Chenbo Feng <fengc@google.com> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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由 Eric Dumazet 提交于
syzkaller reported that DCCP could have a non empty write queue at dismantle time. WARNING: CPU: 1 PID: 2953 at net/core/stream.c:199 sk_stream_kill_queues+0x3ce/0x520 net/core/stream.c:199 Kernel panic - not syncing: panic_on_warn set ... CPU: 1 PID: 2953 Comm: syz-executor0 Not tainted 4.13.0-rc4+ #2 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: __dump_stack lib/dump_stack.c:16 [inline] dump_stack+0x194/0x257 lib/dump_stack.c:52 panic+0x1e4/0x417 kernel/panic.c:180 __warn+0x1c4/0x1d9 kernel/panic.c:541 report_bug+0x211/0x2d0 lib/bug.c:183 fixup_bug+0x40/0x90 arch/x86/kernel/traps.c:190 do_trap_no_signal arch/x86/kernel/traps.c:224 [inline] do_trap+0x260/0x390 arch/x86/kernel/traps.c:273 do_error_trap+0x120/0x390 arch/x86/kernel/traps.c:310 do_invalid_op+0x1b/0x20 arch/x86/kernel/traps.c:323 invalid_op+0x1e/0x30 arch/x86/entry/entry_64.S:846 RIP: 0010:sk_stream_kill_queues+0x3ce/0x520 net/core/stream.c:199 RSP: 0018:ffff8801d182f108 EFLAGS: 00010297 RAX: ffff8801d1144140 RBX: ffff8801d13cb280 RCX: 0000000000000000 RDX: 0000000000000000 RSI: ffffffff85137b00 RDI: ffff8801d13cb280 RBP: ffff8801d182f148 R08: 0000000000000001 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000000 R12: ffff8801d13cb4d0 R13: ffff8801d13cb3b8 R14: ffff8801d13cb300 R15: ffff8801d13cb3b8 inet_csk_destroy_sock+0x175/0x3f0 net/ipv4/inet_connection_sock.c:835 dccp_close+0x84d/0xc10 net/dccp/proto.c:1067 inet_release+0xed/0x1c0 net/ipv4/af_inet.c:425 sock_release+0x8d/0x1e0 net/socket.c:597 sock_close+0x16/0x20 net/socket.c:1126 __fput+0x327/0x7e0 fs/file_table.c:210 ____fput+0x15/0x20 fs/file_table.c:246 task_work_run+0x18a/0x260 kernel/task_work.c:116 exit_task_work include/linux/task_work.h:21 [inline] do_exit+0xa32/0x1b10 kernel/exit.c:865 do_group_exit+0x149/0x400 kernel/exit.c:969 get_signal+0x7e8/0x17e0 kernel/signal.c:2330 do_signal+0x94/0x1ee0 arch/x86/kernel/signal.c:808 exit_to_usermode_loop+0x21c/0x2d0 arch/x86/entry/common.c:157 prepare_exit_to_usermode arch/x86/entry/common.c:194 [inline] syscall_return_slowpath+0x3a7/0x450 arch/x86/entry/common.c:263 Signed-off-by: NEric Dumazet <edumazet@google.com> Reported-by: NDmitry Vyukov <dvyukov@google.com> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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由 Al Viro 提交于
copy_linear_skb() is broken; both of its callers actually expect 'len' to be the amount we are trying to copy, not the offset of the end. Fix it keeping the meanings of arguments in sync with what the callers (both of them) expect. Also restore a saner behavior on EFAULT (i.e. preserving the iov_iter position in case of failure): The commit fd851ba9 ("udp: harden copy_linear_skb()") avoids the more destructive effect of the buggy copy_linear_skb(), e.g. no more invalid memory access, but said function still behaves incorrectly: when peeking with offset it can fail with EINVAL instead of copying the appropriate amount of memory. Reported-by: NSasha Levin <alexander.levin@verizon.com> Fixes: b65ac446 ("udp: try to avoid 2 cache miss on dequeue") Fixes: fd851ba9 ("udp: harden copy_linear_skb()") Signed-off-by: NAl Viro <viro@ZenIV.linux.org.uk> Acked-by: NPaolo Abeni <pabeni@redhat.com> Tested-by: NSasha Levin <alexander.levin@verizon.com> Acked-by: NEric Dumazet <edumazet@google.com> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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由 Wei Wang 提交于
When a dst is created by addrconf_dst_alloc() for a host route or an anycast route, dst->dev points to loopback dev while rt6->rt6i_idev points to a real device. When the real device goes down, the current cleanup code only checks for dst->dev and assumes rt6->rt6i_idev->dev is the same. This causes the refcount leak on the real device in the above situation. This patch makes sure to always release the refcount taken on rt6->rt6i_idev during dst_dev_put(). Fixes: 587fea74 ("ipv6: mark DST_NOGC and remove the operation of dst_free()") Reported-by: NJohn Stultz <john.stultz@linaro.org> Tested-by: NJohn Stultz <john.stultz@linaro.org> Tested-by: NMartin KaFai Lau <kafai@fb.com> Signed-off-by: NWei Wang <weiwan@google.com> Signed-off-by: NMartin KaFai Lau <kafai@fb.com> Acked-by: NDavid Ahern <dsahern@gmail.com> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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由 Eric Dumazet 提交于
pfkey_broadcast() might be called from non process contexts, we can not use GFP_KERNEL in these cases [1]. This patch partially reverts commit ba51b6be ("net: Fix RCU splat in af_key"), only keeping the GFP_ATOMIC forcing under rcu_read_lock() section. [1] : syzkaller reported : in_atomic(): 1, irqs_disabled(): 0, pid: 2932, name: syzkaller183439 3 locks held by syzkaller183439/2932: #0: (&net->xfrm.xfrm_cfg_mutex){+.+.+.}, at: [<ffffffff83b43888>] pfkey_sendmsg+0x4c8/0x9f0 net/key/af_key.c:3649 #1: (&pfk->dump_lock){+.+.+.}, at: [<ffffffff83b467f6>] pfkey_do_dump+0x76/0x3f0 net/key/af_key.c:293 #2: (&(&net->xfrm.xfrm_policy_lock)->rlock){+...+.}, at: [<ffffffff83957632>] spin_lock_bh include/linux/spinlock.h:304 [inline] #2: (&(&net->xfrm.xfrm_policy_lock)->rlock){+...+.}, at: [<ffffffff83957632>] xfrm_policy_walk+0x192/0xa30 net/xfrm/xfrm_policy.c:1028 CPU: 0 PID: 2932 Comm: syzkaller183439 Not tainted 4.13.0-rc4+ #24 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: __dump_stack lib/dump_stack.c:16 [inline] dump_stack+0x194/0x257 lib/dump_stack.c:52 ___might_sleep+0x2b2/0x470 kernel/sched/core.c:5994 __might_sleep+0x95/0x190 kernel/sched/core.c:5947 slab_pre_alloc_hook mm/slab.h:416 [inline] slab_alloc mm/slab.c:3383 [inline] kmem_cache_alloc+0x24b/0x6e0 mm/slab.c:3559 skb_clone+0x1a0/0x400 net/core/skbuff.c:1037 pfkey_broadcast_one+0x4b2/0x6f0 net/key/af_key.c:207 pfkey_broadcast+0x4ba/0x770 net/key/af_key.c:281 dump_sp+0x3d6/0x500 net/key/af_key.c:2685 xfrm_policy_walk+0x2f1/0xa30 net/xfrm/xfrm_policy.c:1042 pfkey_dump_sp+0x42/0x50 net/key/af_key.c:2695 pfkey_do_dump+0xaa/0x3f0 net/key/af_key.c:299 pfkey_spddump+0x1a0/0x210 net/key/af_key.c:2722 pfkey_process+0x606/0x710 net/key/af_key.c:2814 pfkey_sendmsg+0x4d6/0x9f0 net/key/af_key.c:3650 sock_sendmsg_nosec net/socket.c:633 [inline] sock_sendmsg+0xca/0x110 net/socket.c:643 ___sys_sendmsg+0x755/0x890 net/socket.c:2035 __sys_sendmsg+0xe5/0x210 net/socket.c:2069 SYSC_sendmsg net/socket.c:2080 [inline] SyS_sendmsg+0x2d/0x50 net/socket.c:2076 entry_SYSCALL_64_fastpath+0x1f/0xbe RIP: 0033:0x445d79 RSP: 002b:00007f32447c1dc8 EFLAGS: 00000202 ORIG_RAX: 000000000000002e RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000445d79 RDX: 0000000000000000 RSI: 000000002023dfc8 RDI: 0000000000000008 RBP: 0000000000000086 R08: 00007f32447c2700 R09: 00007f32447c2700 R10: 00007f32447c2700 R11: 0000000000000202 R12: 0000000000000000 R13: 00007ffe33edec4f R14: 00007f32447c29c0 R15: 0000000000000000 Fixes: ba51b6be ("net: Fix RCU splat in af_key") Signed-off-by: NEric Dumazet <edumazet@google.com> Reported-by: NDmitry Vyukov <dvyukov@google.com> Cc: David Ahern <dsa@cumulusnetworks.com> Acked-by: NDavid Ahern <dsahern@gmail.com> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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由 Sabrina Dubroca 提交于
__tcp_ulp_find_autoload returns tcp_ulp_ops after taking a reference on the module. Then, if ->init fails, tcp_set_ulp propagates the error but nothing releases that reference. Fixes: 734942cc ("tcp: ULP infrastructure") Signed-off-by: NSabrina Dubroca <sd@queasysnail.net> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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由 David S. Miller 提交于
Ding Tianhong says: ==================== Add new PCI_DEV_FLAGS_NO_RELAXED_ORDERING flag Some devices have problems with Transaction Layer Packets with the Relaxed Ordering Attribute set. This patch set adds a new PCIe Device Flag, PCI_DEV_FLAGS_NO_RELAXED_ORDERING, a set of PCI Quirks to catch some known devices with Relaxed Ordering issues, and a use of this new flag by the cxgb4 driver to avoid using Relaxed Ordering with problematic Root Complex Ports. It's been years since I've submitted kernel.org patches, I appolgise for the almost certain submission errors. v2: Alexander point out that the v1 was only a part of the whole solution, some platform which has some issues could use the new flag to indicate that it is not safe to enable relaxed ordering attribute, then we need to clear the relaxed ordering enable bits in the PCI configuration when initializing the device. So add a new second patch to modify the PCI initialization code to clear the relaxed ordering enable bit in the event that the root complex doesn't want relaxed ordering enabled. The third patch was base on the v1's second patch and only be changed to query the relaxed ordering enable bit in the PCI configuration space to allow the Chelsio NIC to send TLPs with the relaxed ordering attributes set. This version didn't plan to drop the defines for Intel Drivers to use the new checking way to enable relaxed ordering because it is not the hardest part of the moment, we could fix it in next patchset when this patches reach the goal. v3: Redesigned the logic for pci_configure_relaxed_ordering when configuration, If a PCIe device didn't enable the relaxed ordering attribute default, we should not do anything in the PCIe configuration, otherwise we should check if any of the devices above us do not support relaxed ordering by the PCI_DEV_FLAGS_NO_RELAXED_ORDERING flag, then base on the result if we get a return that indicate that the relaxed ordering is not supported we should update our device to disable relaxed ordering in configuration space. If the device above us doesn't exist or isn't the PCIe device, we shouldn't do anything and skip updating relaxed ordering because we are probably running in a guest. v4: Rename the functions pcie_get_relaxed_ordering and pcie_disable_relaxed_ordering according John's suggestion, and modify the description, use the true/false as the return value. We shouldn't enable relaxed ordering attribute by the setting in the root complex configuration space for PCIe device, so fix it for cxgb4. Fix some format issues. v5: Removed the unnecessary code for some function which only return the bool value, and add the check for VF device. Make this patch set base on 4.12-rc5. v6: Fix the logic error in the need to enable the relaxed ordering attribute for cxgb4. v7: The cxgb4 drivers will enable the PCIe Capability Device Control[Relaxed Ordering Enable] in PCI Probe() routine, this will break our current solution for some platform which has problematic when enable the relaxed ordering attribute. According to the latest recommendations, remove the enable_pcie_relaxed_ordering(), although it could not cover the Peer-to-Peer scene, but we agree to leave this problem until we really trigger it. Make this patch set base on 4.12 release version. v8: Change the second patch title and description to make it more reasonable, add the acked-by from Alex and Ashok. Add a new patch to enable the Relaxed Ordering Attribute for cxgb4vf driver. Make this patch set base on 4.13-rc2. v9: The document (https://software.intel.com/sites/default/files/managed/9e/ bc/64-ia-32-architectures-optimization-manual.pdf) indicate that the Xeon processors based on Broadwell/Haswell microarchitecture has the problem with Relaxed Ordering Attribute enabled, so add the whole list Device ID from Intel to the patch. v10: Significant rework based on Bjorn's feedback, reorganize the first 2 patches, now the Intel and AMD erratum soc has been divided to the different patches, rename the pcie_relaxed_ordering_supported() to pcie_relaxed_ordering_enabled(), and no need to check every intervening switch except the root ports, update some commits. v11: We shouldn't let the Intel engineer to acked the AMD's erratum patch, fix the funny mistake. ==================== Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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由 Casey Leedom 提交于
cxgb4vf Ethernet driver now queries PCIe configuration space to determine if it can send TLPs to it with the Relaxed Ordering Attribute set, just like the pf did. Signed-off-by: NCasey Leedom <leedom@chelsio.com> Signed-off-by: NDing Tianhong <dingtianhong@huawei.com> Reviewed-by: NCasey Leedom <leedom@chelsio.com> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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由 Casey Leedom 提交于
cxgb4 Ethernet driver now queries PCIe configuration space to determine if it can send TLPs to it with the Relaxed Ordering Attribute set. Remove the enable_pcie_relaxed_ordering() to avoid enable PCIe Capability Device Control[Relaxed Ordering Enable] at probe routine, to make sure the driver will not send the Relaxed Ordering TLPs to the Root Complex which could not deal the Relaxed Ordering TLPs. Signed-off-by: NCasey Leedom <leedom@chelsio.com> Signed-off-by: NDing Tianhong <dingtianhong@huawei.com> Reviewed-by: NCasey Leedom <leedom@chelsio.com> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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由 dingtianhong 提交于
Casey reported that the AMD ARM A1100 SoC has a bug in its PCIe Root Port where Upstream Transaction Layer Packets with the Relaxed Ordering Attribute clear are allowed to bypass earlier TLPs with Relaxed Ordering set, it would cause Data Corruption, so we need to disable Relaxed Ordering Attribute when Upstream TLPs to the Root Port. Reported-and-suggested-by: NCasey Leedom <leedom@chelsio.com> Signed-off-by: NCasey Leedom <leedom@chelsio.com> Signed-off-by: NDing Tianhong <dingtianhong@huawei.com> Acked-by: NCasey Leedom <leedom@chelsio.com> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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由 dingtianhong 提交于
According to the Intel spec section 3.9.1 said: 3.9.1 Optimizing PCIe Performance for Accesses Toward Coherent Memory and Toward MMIO Regions (P2P) In order to maximize performance for PCIe devices in the processors listed in Table 3-6 below, the soft- ware should determine whether the accesses are toward coherent memory (system memory) or toward MMIO regions (P2P access to other devices). If the access is toward MMIO region, then software can command HW to set the RO bit in the TLP header, as this would allow hardware to achieve maximum throughput for these types of accesses. For accesses toward coherent memory, software can command HW to clear the RO bit in the TLP header (no RO), as this would allow hardware to achieve maximum throughput for these types of accesses. Table 3-6. Intel Processor CPU RP Device IDs for Processors Optimizing PCIe Performance Processor CPU RP Device IDs Intel Xeon processors based on 6F01H-6F0EH Broadwell microarchitecture Intel Xeon processors based on 2F01H-2F0EH Haswell microarchitecture It means some Intel processors has performance issue when use the Relaxed Ordering Attribute, so disable Relaxed Ordering for these root port. Signed-off-by: NCasey Leedom <leedom@chelsio.com> Signed-off-by: NDing Tianhong <dingtianhong@huawei.com> Acked-by: NAlexander Duyck <alexander.h.duyck@intel.com> Acked-by: NAshok Raj <ashok.raj@intel.com> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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由 dingtianhong 提交于
When bit4 is set in the PCIe Device Control register, it indicates whether the device is permitted to use relaxed ordering. On some platforms using relaxed ordering can have performance issues or due to erratum can cause data-corruption. In such cases devices must avoid using relaxed ordering. The patch adds a new flag PCI_DEV_FLAGS_NO_RELAXED_ORDERING to indicate that Relaxed Ordering (RO) attribute should not be used for Transaction Layer Packets (TLP) targeted towards these affected root complexes. This patch checks if there is any node in the hierarchy that indicates that using relaxed ordering is not safe. In such cases the patch turns off the relaxed ordering by clearing the capability for this device. Signed-off-by: NCasey Leedom <leedom@chelsio.com> Signed-off-by: NDing Tianhong <dingtianhong@huawei.com> Acked-by: NAshok Raj <ashok.raj@intel.com> Acked-by: NAlexander Duyck <alexander.h.duyck@intel.com> Acked-by: NCasey Leedom <leedom@chelsio.com> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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git://git.kernel.org/pub/scm/linux/kernel/git/shli/md由 Linus Torvalds 提交于
Pull MD fixes from Shaohua Li: "Fix several bugs: - fix a rcu stall issue introduced in 4.12 (Neil Brown) - fix two raid5 cache race conditions (Song Liu)" * tag 'md/4.13-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/shli/md: MD: not clear ->safemode for external metadata array md/r5cache: fix io_unit handling in r5l_log_endio() md/r5cache: call mddev_lock/unlock() in r5c_journal_mode_set md: fix test in md_write_start() md: always clear ->safemode when md_check_recovery gets the mddev lock.
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git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6由 Linus Torvalds 提交于
Pull crypto fixes from Herbert Xu: "Fix an error path bug in ixp4xx as well as a read overrun in sha1-avx2" * 'linus' of git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6: crypto: x86/sha1 - Fix reads beyond the number of blocks passed crypto: ixp4xx - Fix error handling path in 'aead_perform()'
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由 Jon Paul Maloy 提交于
In the function msg_reverse(), we reverse the header while trying to reuse the original buffer whenever possible. Those rejected/returned messages are always transmitted as unicast, but the msg_non_seq field is not explicitly set to zero as it should be. We have seen cases where multicast senders set the message type to "NOT dest_droppable", meaning that a multicast message shorter than one MTU will be returned, e.g., during receive buffer overflow, by reusing the original buffer. This has the effect that even the 'msg_non_seq' field is inadvertently inherited by the rejected message, although it is now sent as a unicast message. This again leads the receiving unicast link endpoint to steer the packet toward the broadcast link receive function, where it is dropped. The affected unicast link is thereafter (after 100 failed retransmissions) declared 'stale' and reset. We fix this by unconditionally setting the 'msg_non_seq' flag to zero for all rejected/returned messages. Reported-by: NCanh Duc Luu <canh.d.luu@dektech.com.au> Signed-off-by: NJon Maloy <jon.maloy@ericsson.com> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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由 Jon Paul Maloy 提交于
On L2 bearers, the TIPC broadcast function is sending out packets using the corresponding L2 broadcast address. At reception, we filter such packets under the assumption that they will also be delivered as broadcast packets. This assumption doesn't always hold true. Under high load, we have seen that a switch may convert the destination address and deliver the packet as a PACKET_MULTICAST, something leading to inadvertently dropped packets and a stale and reset broadcast link. We fix this by extending the reception filtering to accept packets of type PACKET_MULTICAST. Signed-off-by: NJon Maloy <jon.maloy@ericsson.com> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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由 Florian Westphal 提交于
"ip route get $daddr iif eth0 from $saddr" causes: BUG: KASAN: use-after-free in ip_route_input_rcu+0x1535/0x1b50 Call Trace: ip_route_input_rcu+0x1535/0x1b50 ip_route_input_noref+0xf9/0x190 tcp_v4_early_demux+0x1a4/0x2b0 ip_rcv+0xbcb/0xc05 __netif_receive_skb+0x9c/0xd0 netif_receive_skb_internal+0x5a8/0x890 Problem is that inet_rtm_getroute calls either ip_route_input_rcu (if an iif was provided) or ip_route_output_key_hash_rcu. But ip_route_input_rcu, unlike ip_route_output_key_hash_rcu, already associates the dst_entry with the skb. This clears the SKB_DST_NOREF bit (i.e. skb_dst_drop will release/free the entry while it should not). Thus only set the dst if we called ip_route_output_key_hash_rcu(). I tested this patch by running: while true;do ip r get 10.0.1.2;done > /dev/null & while true;do ip r get 10.0.1.2 iif eth0 from 10.0.1.1;done > /dev/null & ... and saw no crash or memory leak. Cc: Roopa Prabhu <roopa@cumulusnetworks.com> Cc: David Ahern <dsahern@gmail.com> Fixes: ba52d61e ("ipv4: route: restore skb_dst_set in inet_rtm_getroute") Signed-off-by: NFlorian Westphal <fw@strlen.de> Acked-by: NEric Dumazet <edumazet@google.com> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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- 14 8月, 2017 5 次提交
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由 Arend Van Spriel 提交于
The firmware feature check introduced for multi-scheduled scan turned out to be failing for bcm4343{0,1,8} devices resulting in a firmware crash. The reason for this crash has not yet been root cause so this patch avoids the feature check for those device as a short-term fix. Reported-by: NStefan Wahren <stefan.wahren@i2se.com> Reported-by: NIan Molton <ian@mnementh.co.uk> Fixes: 9fe929aa ("brcmfmac: add firmware feature detection for gscan feature") Signed-off-by: NArend van Spriel <arend.vanspriel@broadcom.com> Signed-off-by: NKalle Valo <kvalo@codeaurora.org>
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由 Andreas Born 提交于
bond_miimon_commit() handles the UP transition for each slave of a bond in the case of MII. It is triggered 10 times per second for the default MII Polling interval of 100ms. For device drivers that do not implement __ethtool_get_link_ksettings() the call to bond_update_speed_duplex() fails persistently while the MII status could remain UP. That is, in this and other cases where the speed/duplex update keeps failing over a longer period of time while the MII state is UP, a warning is printed every MII polling interval. To address these excessive warnings net_ratelimit() should be used. Printing a warning once would not be sufficient since the call to bond_update_speed_duplex() could recover to succeed and fail again later. In that case there would be no new indication what went wrong. Fixes: b5bf0f5b (bonding: correctly update link status during mii-commit phase) Signed-off-by: NAndreas Born <futur.andy@googlemail.com> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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由 Linus Torvalds 提交于
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git://git.linux-mips.org/pub/scm/ralf/upstream-linus由 Linus Torvalds 提交于
Pull MIPS fixes from Ralf Baechle: "Another round of MIPS fixes: - compressed boot: Ignore a generated .c file - VDSO: Fix a register clobber list - DECstation: Fix an int-handler.S CPU_DADDI_WORKAROUNDS regression - Octeon: Fix recent cleanups that cleaned away a bit too much thus breaking the arch side of the EDAC and USB drivers. - uasm: Fix duplicate const in "const struct foo const bar[]" which GCC 7.1 no longer accepts. - Fix race on setting and getting cpu_online_mask - Fix preemption issue. To do so cleanly introduce macro to get the size of L3 cache line. - Revert include cleanup that sometimes results in build error - MicroMIPS uses bit 0 of the PC to indicate microMIPS mode. Make sure this bit is set for kernel entry as well. - Prevent configuring the kernel for both microMIPS and MT. There are no such CPUs currently and thus the combination is unsupported and results in build errors. This has been sitting in linux-next for a few days and has survived automated testing by Imagination's test farm. No known regressions pending except a number of issues that crept up due to lots of people switching to GCC 7.1" * 'upstream' of git://git.linux-mips.org/pub/scm/ralf/upstream-linus: MIPS: Set ISA bit in entry-y for microMIPS kernels MIPS: Prevent building MT support for microMIPS kernels MIPS: PCI: Fix smp_processor_id() in preemptible MIPS: Introduce cpu_tcache_line_size MIPS: DEC: Fix an int-handler.S CPU_DADDI_WORKAROUNDS regression MIPS: VDSO: Fix clobber lists in fallback code paths Revert "MIPS: Don't unnecessarily include kmalloc.h into <asm/cache.h>." MIPS: OCTEON: Fix USB platform code breakage. MIPS: Octeon: Fix broken EDAC driver. MIPS: gitignore: ignore generated .c files MIPS: Fix race on setting and getting cpu_online_mask MIPS: mm: remove duplicate "const" qualifier on insn_table
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由 Linus Torvalds 提交于
Merge tag 'driver-core-4.13-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core Pull driver core fixes from Greg KH: "Here are three firmware core fixes for 4.13-rc5. All three of these fix reported issues and have been floating around for a few weeks. They have been in linux-next with no reported problems" * tag 'driver-core-4.13-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core: firmware: avoid invalid fallback aborts by using killable wait firmware: fix batched requests - send wake up on failure on direct lookups firmware: fix batched requests - wake all waiters
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