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Pablo Neira Ayuso says:
====================
Netfilter fixes for net
The following patchset contains Netfilter fixes for your net tree:
1) Fix list corruption in device notifier in the masquerade
infrastructure, from Florian Westphal.
2) Fix double-free of sets and use-after-free when deleting elements.
3) Don't bogusly return EBUSY when removing a set after flush command.
4) Use-after-free in dynamically allocate operations.
5) Don't report a new ruleset generation to userspace if transaction
list is empty, this invalidates the userspace cache innecessarily.
From Florian Westphal.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
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Referencing the __kernel_long_t type caused some user space applications
to stop compiling when they had not already included linux/posix_types.h,
e.g.
s/multicast.c -o ext/sockets/multicast.lo
In file included from /builddir/build/BUILD/php-7.3.3/main/php.h:468,
from /builddir/build/BUILD/php-7.3.3/ext/sockets/sockets.c:27:
/builddir/build/BUILD/php-7.3.3/ext/sockets/sockets.c: In function 'zm_startup_sockets':
/builddir/build/BUILD/php-7.3.3/ext/sockets/sockets.c:776:40: error: '__kernel_long_t' undeclared (first use in this function)
776 | REGISTER_LONG_CONSTANT("SO_SNDTIMEO", SO_SNDTIMEO, CONST_CS | CONST_PERSISTENT);
It is safe to include that header here, since it only contains kernel
internal types that do not conflict with other user space types.
It's still possible that some related build failures remain, but those
are likely to be for code that is not already y2038 safe.
Reported-by: Laura Abbott <labbott@redhat.com>
Fixes: a9beb86ae6e5 ("sock: Add SO_RCVTIMEO_NEW and SO_SNDTIMEO_NEW")
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Set deletion after flush coming in the same batch results in EBUSY. Add
set use counter to track the number of references to this set from
rules. We cannot rely on the list of bindings for this since such list
is still populated from the preparation phase.
Reported-by: Václav Zindulka <vaclav.zindulka@tlapnet.cz>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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ip_mc_may_pull() must return 0 if there is a problem, not an errno.
syzbot reported :
BUG: KASAN: use-after-free in br_ip4_multicast_igmp3_report net/bridge/br_multicast.c:947 [inline]
BUG: KASAN: use-after-free in br_multicast_ipv4_rcv net/bridge/br_multicast.c:1631 [inline]
BUG: KASAN: use-after-free in br_multicast_rcv+0x3cd8/0x4440 net/bridge/br_multicast.c:1741
Read of size 4 at addr ffff88820a4084ee by task syz-executor.2/11183
CPU: 1 PID: 11183 Comm: syz-executor.2 Not tainted 5.0.0+ #14
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
__asan_report_load4_noabort+0x14/0x20 mm/kasan/generic_report.c:131
br_ip4_multicast_igmp3_report net/bridge/br_multicast.c:947 [inline]
br_multicast_ipv4_rcv net/bridge/br_multicast.c:1631 [inline]
br_multicast_rcv+0x3cd8/0x4440 net/bridge/br_multicast.c:1741
br_handle_frame_finish+0xa3a/0x14c0 net/bridge/br_input.c:108
br_nf_hook_thresh+0x2ec/0x380 net/bridge/br_netfilter_hooks.c:1005
br_nf_pre_routing_finish+0x8e2/0x1750 net/bridge/br_netfilter_hooks.c:410
NF_HOOK include/linux/netfilter.h:289 [inline]
NF_HOOK include/linux/netfilter.h:283 [inline]
br_nf_pre_routing+0x7e7/0x13a0 net/bridge/br_netfilter_hooks.c:506
nf_hook_entry_hookfn include/linux/netfilter.h:119 [inline]
nf_hook_slow+0xbf/0x1f0 net/netfilter/core.c:511
nf_hook include/linux/netfilter.h:244 [inline]
NF_HOOK include/linux/netfilter.h:287 [inline]
br_handle_frame+0x95b/0x1450 net/bridge/br_input.c:305
__netif_receive_skb_core+0xa96/0x3040 net/core/dev.c:4902
__netif_receive_skb_one_core+0xa8/0x1a0 net/core/dev.c:4971
__netif_receive_skb+0x2c/0x1c0 net/core/dev.c:5083
netif_receive_skb_internal+0x117/0x660 net/core/dev.c:5186
netif_receive_skb+0x6e/0x5a0 net/core/dev.c:5261
Fixes: ba5ea614622d ("bridge: simplify ip_mc_check_igmp() and ipv6_mc_check_mld() calls")
Signed-off-by: Eric Dumazet <edumazet@google.com>
Reported-by: syzbot <syzkaller@googlegroups.com>
Cc: Linus Lüssing <linus.luessing@c0d3.blue>
Signed-off-by: David S. Miller <davem@davemloft.net>
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As Eric Dumazet said, "We do not have a way to tell if the req was ever
inserted in a hash table, so better play safe.".
Let's remove this comment, so that nobody will be tempted to drop the
WARN_ON_ONCE() line.
Signed-off-by: Guillaume Nault <gnault@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Daniel Borkmann says:
====================
pull-request: bpf 2019-03-09
The following pull-request contains BPF updates for your *net* tree.
The main changes are:
1) Fix a crash in AF_XDP's xsk_diag_put_ring() which was passing
wrong queue argument, from Eric.
2) Fix a regression due to wrong test for TCP GSO packets used in
various BPF helpers like NAT64, from Willem.
3) Fix a sk_msg strparser warning which asserts that strparser must
be stopped first, from Jakub.
4) Fix rejection of invalid options/bind flags in AF_XDP, from Björn.
5) Fix GSO in bpf_lwt_push_ip_encap() which must properly set inner
headers and inner protocol, from Peter.
6) Fix a libbpf leak when kernel does not support BTF, from Nikita.
7) Various BPF selftest and libbpf build fixes to make out-of-tree
compilation work and to properly resolve dependencies via fixdep
target, from Stanislav.
8) Fix rejection of invalid ldimm64 imm field, from Daniel.
9) Fix bpf stats sysctl compile warning of unused helper function
proc_dointvec_minmax_bpf_stats() under some configs, from Arnd.
10) Fix couple of warnings about using plain integer as NULL, from Bo.
11) Fix some BPF sample spelling mistakes, from Colin.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
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This patch adds missing documentation for some inline functions on
linux/skbuff.h. The patch is incomplete and a lot more can be added,
just wondering if it's of interest of the netdev developers.
Also fixed some whitespaces.
Signed-off-by: Pedro Tammela <pctammela@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Sparse warning below:
sudo make C=2 CF=-D__CHECK_ENDIAN__ M=net/bpf/
CHECK net/bpf//test_run.c
net/bpf//test_run.c:19:77: warning: Using plain integer as NULL pointer
./include/linux/bpf-cgroup.h:295:77: warning: Using plain integer as NULL pointer
Fixes: 8bad74f9840f ("bpf: extend cgroup bpf core to allow multiple cgroup storage types")
Acked-by: Yonghong Song <yhs@fb.com>
Signed-off-by: Bo YU <tsu.yubo@gmail.com>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
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rxrpc_disconnect_client_call() reads the call's connection ID protocol
value (call->cid) as part of that function's variable declarations. This
is bad because it's not inside the locked section and so may race with
someone granting use of the channel to the call.
This manifests as an assertion failure (see below) where the call in the
presumed channel (0 because call->cid wasn't set when we read it) doesn't
match the call attached to the channel we were actually granted (if 1, 2 or
3).
Fix this by moving the read and dependent calculations inside of the
channel_lock section. Also, only set the channel number and pointer
variables if cid is not zero (ie. unset).
This problem can be induced by injecting an occasional error in
rxrpc_wait_for_channel() before the call to schedule().
Make two further changes also:
(1) Add a trace for wait failure in rxrpc_connect_call().
(2) Drop channel_lock before BUG'ing in the case of the assertion failure.
The failure causes a trace akin to the following:
rxrpc: Assertion failed - 18446612685268945920(0xffff8880beab8c00) == 18446612685268621312(0xffff8880bea69800) is false
------------[ cut here ]------------
kernel BUG at net/rxrpc/conn_client.c:824!
...
RIP: 0010:rxrpc_disconnect_client_call+0x2bf/0x99d
...
Call Trace:
rxrpc_connect_call+0x902/0x9b3
? wake_up_q+0x54/0x54
rxrpc_new_client_call+0x3a0/0x751
? rxrpc_kernel_begin_call+0x141/0x1bc
? afs_alloc_call+0x1b5/0x1b5
rxrpc_kernel_begin_call+0x141/0x1bc
afs_make_call+0x20c/0x525
? afs_alloc_call+0x1b5/0x1b5
? __lock_is_held+0x40/0x71
? lockdep_init_map+0xaf/0x193
? lockdep_init_map+0xaf/0x193
? __lock_is_held+0x40/0x71
? yfs_fs_fetch_data+0x33b/0x34a
yfs_fs_fetch_data+0x33b/0x34a
afs_fetch_data+0xdc/0x3b7
afs_read_dir+0x52d/0x97f
afs_dir_iterate+0xa0/0x661
? iterate_dir+0x63/0x141
iterate_dir+0xa2/0x141
ksys_getdents64+0x9f/0x11b
? filldir+0x111/0x111
? do_syscall_64+0x3e/0x1a0
__x64_sys_getdents64+0x16/0x19
do_syscall_64+0x7d/0x1a0
entry_SYSCALL_64_after_hwframe+0x49/0xbe
Fixes: 45025bceef17 ("rxrpc: Improve management and caching of client connection objects")
Signed-off-by: David Howells <dhowells@redhat.com>
Reviewed-by: Marc Dionne <marc.dionne@auristor.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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The abort path can cause a double-free of an anonymous set.
Added-and-to-be-aborted rule looks like this:
udp dport { 137, 138 } drop
The to-be-aborted transaction list looks like this:
newset
newsetelem
newsetelem
rule
This gets walked in reverse order, so first pass disables the rule, the
set elements, then the set.
After synchronize_rcu(), we then destroy those in same order: rule, set
element, set element, newset.
Problem is that the anonymous set has already been bound to the rule, so
the rule (lookup expression destructor) already frees the set, when then
cause use-after-free when trying to delete the elements from this set,
then try to free the set again when handling the newset expression.
Rule releases the bound set in first place from the abort path, this
causes the use-after-free on set element removal when undoing the new
element transactions. To handle this, skip new element transaction if
set is bound from the abort path.
This is still causes the use-after-free on set element removal. To
handle this, remove transaction from the list when the set is already
bound.
Joint work with Florian Westphal.
Fixes: f6ac85858976 ("netfilter: nf_tables: unbind set in rule from commit path")
Bugzilla: https://bugzilla.netfilter.org/show_bug.cgi?id=1325
Acked-by: Florian Westphal <fw@strlen.de>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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BPF can adjust gso only for tcp bytestreams. Fail on other gso types.
But only on gso packets. It does not touch this field if !gso_size.
Fixes: b90efd225874 ("bpf: only adjust gso_size on bytestream protocols")
Signed-off-by: Willem de Bruijn <willemb@google.com>
Acked-by: Yonghong Song <yhs@fb.com>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
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A bugfix just broke compilation of appletalk when CONFIG_SYSCTL
is disabled:
In file included from net/appletalk/ddp.c:65:
net/appletalk/ddp.c: In function 'atalk_init':
include/linux/atalk.h:164:34: error: expected expression before 'do'
#define atalk_register_sysctl() do { } while(0)
^~
net/appletalk/ddp.c:1934:7: note: in expansion of macro 'atalk_register_sysctl'
rc = atalk_register_sysctl();
This is easier to avoid by using conventional inline functions
as stubs rather than macros. The header already has inline
functions for other purposes, so I'm changing over all the
macros for consistency.
Fixes: 6377f787aeb9 ("appletalk: Fix use-after-free in atalk_proc_exit")
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Pull MIPS updates from Paul Burton:
- Support for the MIPSr6 MemoryMapID register & Global INValidate TLB
(GINVT) instructions, allowing for more efficient TLB maintenance
when running on a CPU such as the I6500 that supports these.
- Enable huge page support for MIPS64r6.
- Optimize post-DMA cache sync by removing that code entirely for
kernel configurations in which we know it won't be needed.
- The number of pages allocated for interrupt stacks is now calculated
correctly, where before we would wastefully allocate too much memory
in some configurations.
- The ath79 platform migrates to devicetree.
- The bcm47xx platform sees fixes for the Buffalo WHR-G54S board.
- The ingenic/jz4740 platform gains support for appended devicetrees.
- The cavium_octeon, lantiq, loongson32 & sgi-ip27 platforms all see
cleanups as do various pieces of core architecture code.
* tag 'mips_5.1' of git://git.kernel.org/pub/scm/linux/kernel/git/mips/linux: (66 commits)
MIPS: lantiq: Remove separate GPHY Firmware loader
MIPS: ingenic: Add support for appended devicetree
MIPS: SGI-IP27: rework HUB interrupts
MIPS: SGI-IP27: do boot CPU init later
MIPS: SGI-IP27: do xtalk scanning later
MIPS: SGI-IP27: use pr_info/pr_emerg and pr_cont to fix output
MIPS: SGI-IP27: clean up bridge access and header files
MIPS: SGI-IP27: get rid of volatile and hubreg_t
MIPS: irq: Allocate accurate order pages for irq stack
MIPS: dma-noncoherent: Remove bogus condition in dma_sync_phys()
MIPS: eBPF: Remove REG_32BIT_ZERO_EX
MIPS: eBPF: Always return sign extended 32b values
MIPS: CM: Fix indentation
MIPS: BCM47XX: Fix/improve Buffalo WHR-G54S support
MIPS: OCTEON: program rx/tx-delay always from DT
MIPS: OCTEON: delete board-specific link status
MIPS: OCTEON: don't lie about interface type of CN3005 board
MIPS: OCTEON: warn if deprecated link status is being used
MIPS: OCTEON: add fixed-link nodes to in-kernel device tree
MIPS: Delete unused flush_cache_sigtramp()
...
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git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux
Pull s390 updates from Martin Schwidefsky:
- A copy of Arnds compat wrapper generation series
- Pass information about the KVM guest to the host in form the control
program code and the control program version code
- Map IOV resources to support PCI physical functions on s390
- Add vector load and store alignment hints to improve performance
- Use the "jdd" constraint with gcc 9 to make jump labels working again
- Remove amode workaround for old z/VM releases from the DCSS code
- Add support for in-kernel performance measurements using the CPU
measurement counter facility
- Introduce a new PMU device cpum_cf_diag to capture counters and store
thenn as event raw data.
- Bug fixes and cleanups
* tag 's390-5.1-1' of git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux: (54 commits)
Revert "s390/cpum_cf: Add kernel message exaplanations"
s390/dasd: fix read device characteristic with CONFIG_VMAP_STACK=y
s390/suspend: fix prefix register reset in swsusp_arch_resume
s390: warn about clearing als implied facilities
s390: allow overriding facilities via command line
s390: clean up redundant facilities list setup
s390/als: remove duplicated in-place implementation of stfle
s390/cio: Use cpa range elsewhere within vfio-ccw
s390/cio: Fix vfio-ccw handling of recursive TICs
s390: vfio_ap: link the vfio_ap devices to the vfio_ap bus subsystem
s390/cpum_cf: Handle EBUSY return code from CPU counter facility reservation
s390/cpum_cf: Add kernel message exaplanations
s390/cpum_cf_diag: Add support for s390 counter facility diagnostic trace
s390/cpum_cf: add ctr_stcctm() function
s390/cpum_cf: move common functions into a separate file
s390/cpum_cf: introduce kernel_cpumcf_avail() function
s390/cpu_mf: replace stcctm5() with the stcctm() function
s390/cpu_mf: add store cpu counter multiple instruction support
s390/cpum_cf: Add minimal in-kernel interface for counter measurements
s390/cpum_cf: introduce kernel_cpumcf_alert() to obtain measurement alerts
...
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git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6
Pull crypto update from Herbert Xu:
"API:
- Add helper for simple skcipher modes.
- Add helper to register multiple templates.
- Set CRYPTO_TFM_NEED_KEY when setkey fails.
- Require neither or both of export/import in shash.
- AEAD decryption test vectors are now generated from encryption
ones.
- New option CONFIG_CRYPTO_MANAGER_EXTRA_TESTS that includes random
fuzzing.
Algorithms:
- Conversions to skcipher and helper for many templates.
- Add more test vectors for nhpoly1305 and adiantum.
Drivers:
- Add crypto4xx prng support.
- Add xcbc/cmac/ecb support in caam.
- Add AES support for Exynos5433 in s5p.
- Remove sha384/sha512 from artpec7 as hardware cannot do partial
hash"
[ There is a merge of the Freescale SoC tree in order to pull in changes
required by patches to the caam/qi2 driver. ]
* 'linus' of git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6: (174 commits)
crypto: s5p - add AES support for Exynos5433
dt-bindings: crypto: document Exynos5433 SlimSSS
crypto: crypto4xx - add missing of_node_put after of_device_is_available
crypto: cavium/zip - fix collision with generic cra_driver_name
crypto: af_alg - use struct_size() in sock_kfree_s()
crypto: caam - remove redundant likely/unlikely annotation
crypto: s5p - update iv after AES-CBC op end
crypto: x86/poly1305 - Clear key material from stack in SSE2 variant
crypto: caam - generate hash keys in-place
crypto: caam - fix DMA mapping xcbc key twice
crypto: caam - fix hash context DMA unmap size
hwrng: bcm2835 - fix probe as platform device
crypto: s5p-sss - Use AES_BLOCK_SIZE define instead of number
crypto: stm32 - drop pointless static qualifier in stm32_hash_remove()
crypto: chelsio - Fixed Traffic Stall
crypto: marvell - Remove set but not used variable 'ivsize'
crypto: ccp - Update driver messages to remove some confusion
crypto: adiantum - add 1536 and 4096-byte test vectors
crypto: nhpoly1305 - add a test vector with len % 16 != 0
crypto: arm/aes-ce - update IV after partial final CTR block
...
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Pull networking updates from David Miller:
"Here we go, another merge window full of networking and #ebpf changes:
1) Snoop DHCPACKS in batman-adv to learn MAC/IP pairs in the DHCP
range without dealing with floods of ARP traffic, from Linus
Lüssing.
2) Throttle buffered multicast packet transmission in mt76, from
Felix Fietkau.
3) Support adaptive interrupt moderation in ice, from Brett Creeley.
4) A lot of struct_size conversions, from Gustavo A. R. Silva.
5) Add peek/push/pop commands to bpftool, as well as bash completion,
from Stanislav Fomichev.
6) Optimize sk_msg_clone(), from Vakul Garg.
7) Add SO_BINDTOIFINDEX, from David Herrmann.
8) Be more conservative with local resends due to local congestion,
from Yuchung Cheng.
9) Allow vetoing of unsupported VXLAN FDBs, from Petr Machata.
10) Add health buffer support to devlink, from Eran Ben Elisha.
11) Add TXQ scheduling API to mac80211, from Toke Høiland-Jørgensen.
12) Add statistics to basic packet scheduler filter, from Cong Wang.
13) Add GRE tunnel support for mlxsw Spectrum-2, from Nir Dotan.
14) Lots of new IP tunneling forwarding tests, also from Nir Dotan.
15) Add 3ad stats to bonding, from Nikolay Aleksandrov.
16) Lots of probing improvements for bpftool, from Quentin Monnet.
17) Various nfp drive #ebpf JIT improvements from Jakub Kicinski.
18) Allow #ebpf programs to access gso_segs from skb shared info, from
Eric Dumazet.
19) Add sock_diag support for AF_XDP sockets, from Björn Töpel.
20) Support 22260 iwlwifi devices, from Luca Coelho.
21) Use rbtree for ipv6 defragmentation, from Peter Oskolkov.
22) Add JMP32 instruction class support to #ebpf, from Jiong Wang.
23) Add spinlock support to #ebpf, from Alexei Starovoitov.
24) Support 256-bit keys and TLS 1.3 in ktls, from Dave Watson.
25) Add device infomation API to devlink, from Jakub Kicinski.
26) Add new timestamping socket options which are y2038 safe, from
Deepa Dinamani.
27) Add RX checksum offloading for various sh_eth chips, from Sergei
Shtylyov.
28) Flow offload infrastructure, from Pablo Neira Ayuso.
29) Numerous cleanups, improvements, and bug fixes to the PHY layer
and many drivers from Heiner Kallweit.
30) Lots of changes to try and make packet scheduler classifiers run
lockless as much as possible, from Vlad Buslov.
31) Support BCM957504 chip in bnxt_en driver, from Erik Burrows.
32) Add concurrency tests to tc-tests infrastructure, from Vlad
Buslov.
33) Add hwmon support to aquantia, from Heiner Kallweit.
34) Allow 64-bit values for SO_MAX_PACING_RATE, from Eric Dumazet.
And I would be remiss if I didn't thank the various major networking
subsystem maintainers for integrating much of this work before I even
saw it. Alexei Starovoitov, Daniel Borkmann, Pablo Neira Ayuso,
Johannes Berg, Kalle Valo, and many others. Thank you!"
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next: (2207 commits)
net/sched: avoid unused-label warning
net: ignore sysctl_devconf_inherit_init_net without SYSCTL
phy: mdio-mux: fix Kconfig dependencies
net: phy: use phy_modify_mmd_changed in genphy_c45_an_config_aneg
net: dsa: mv88e6xxx: add call to mv88e6xxx_ports_cmode_init to probe for new DSA framework
selftest/net: Remove duplicate header
sky2: Disable MSI on Dell Inspiron 1545 and Gateway P-79
net/mlx5e: Update tx reporter status in case channels were successfully opened
devlink: Add support for direct reporter health state update
devlink: Update reporter state to error even if recover aborted
sctp: call iov_iter_revert() after sending ABORT
team: Free BPF filter when unregistering netdev
ip6mr: Do not call __IP6_INC_STATS() from preemptible context
isdn: mISDN: Fix potential NULL pointer dereference of kzalloc
net: dsa: mv88e6xxx: support in-band signalling on SGMII ports with external PHYs
cxgb4/chtls: Prefix adapter flags with CXGB4
net-sysfs: Switch to bitmap_zalloc()
mellanox: Switch to bitmap_zalloc()
bpf: add test cases for non-pointer sanitiation logic
mlxsw: i2c: Extend initialization by querying resources data
...
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git://git.kernel.org/pub/scm/linux/kernel/git/j.anaszewski/linux-leds
Pull LED updates from Jacek Anaszewski:
- finalize previously announced support for initialization of pattern
triggers from Device Tree
- fix for null deref on firmware load failure in leds-lp55xx-common.c
* tag 'leds-for-5.1-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/j.anaszewski/linux-leds:
leds: lp55xx: fix null deref on firmware load failure
leds: trigger: timer: Add initialization from Device Tree
leds: trigger: oneshot: Add initialization from Device Tree
leds: trigger: pattern: Add pattern initialization from Device Tree
leds: Add helper for getting default pattern from Device Tree
dt-bindings: leds: Add pattern initialization from Device Tree
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git://git.kernel.org/pub/scm/linux/kernel/git/broonie/spi
Pull spi updates from Mark Brown:
"A fairly quiet release for SPI, the biggest thing is the conversion to
use GPIO descriptors which is now 90% done but still needs some
stragglers converting.
Summary:
- Support for inter-word delays
- Conversion of the core and most drivers to use GPIO descriptors for
GPIO controlled chip selects
- New drivers for NXP FlexSPI and QuadSPI, SiFive and Spreadtrum"
* tag 'spi-v5.1' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/spi: (104 commits)
spi: sh-msiof: Restrict bits per word to 8/16/24/32 on R-Car Gen2/3
spi: sifive: Remove redundant dev_err call in sifive_spi_probe()
spi: sifive: Remove spi_master_put in sifive_spi_remove()
spi: spi-gpio: fix SPI_CS_HIGH capability
spi: pxa2xx: Setup maximum supported DMA transfer length
spi: sifive: Add driver for the SiFive SPI controller
spi: sifive: Add DT documentation for SiFive SPI controller
spi: sprd: Add a prefix for SPI DMA channel macros
spi: sprd: spi: sprd: Add DMA mode support
dt-bindings: spi: Add the DMA properties for the SPI dma mode
spi: sprd: Add the SPI irq function for the SPI DMA mode
dt-bindings: spi: imx: Add an entry for the i.MX8QM compatible
spi: use gpio[d]_set_value_cansleep for setting chipselect GPIO
spi: gpio: Advertise support for SPI_CS_HIGH
spi: sh-msiof: Replace spi_master by spi_controller
spi: sh-hspi: Replace spi_master by spi_controller
spi: rspi: Replace spi_master by spi_controller
spi: atmel-quadspi: add support for sam9x60 qspi controller
dt-bindings: spi: atmel-quadspi: QuadSPI driver for Microchip SAM9X60
spi: atmel-quadspi: add support for named peripheral clock
...
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git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regulator
Pull regulator updates from Mark Brown:
"The bulk of the standout changes in this release are cleanups, with
the core work being a combination of factoring out common code into
helpers and the completion of the conversion of the core to use GPIO
descriptors.
Summary:
- Addition of helper functions for current limits and conversion of
drivers to use them by Axel Lin.
- Lots and lots of cleanups from Axel Lin.
- Conversion of the core to use GPIO descriptors rather than numbers
by Linus Walleij.
- New drivers for Maxim MAX77650 and ROHM BD70528"
* tag 'regulator-v5.1' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regulator: (131 commits)
regulator: mc13xxx: Constify regulator_ops variables
regulator: palmas: Constify palmas_smps_ramp_delay array
regulator: wm831x-dcdc: Convert to use regulator_set/get_current_limit_regmap
regulator: pv88090: Convert to use regulator_set/get_current_limit_regmap
regulator: pv88080: Convert to use regulator_set/get_current_limit_regmap
regulator: pv88060: Convert to use regulator_set/get_current_limit_regmap
regulator: max77650: Convert to use regulator_set/get_current_limit_regmap
regulator: lp873x: Convert to use regulator_set/get_current_limit_regmap
regulator: lp872x: Convert to use regulator_set/get_current_limit_regmap
regulator: da9210: Convert to use regulator_set/get_current_limit_regmap
regulator: da9055: Convert to use regulator_set/get_current_limit_regmap
regulator: core: Add set/get_current_limit helpers for regmap users
regulator: Fix comment for csel_reg and csel_mask
regulator: stm32-vrefbuf: add power management support
regulator: 88pm8607: Remove unused fields from struct pm8607_regulator_info
regulator: 88pm8607: Simplify pm8607_list_voltage implementation
regulator: cpcap: Constify omap4_regulators and xoom_regulators
regulator: cpcap: Remove unused vsel_shift from struct cpcap_regulator
dt-bindings: regulator: tps65218: rectify units of LS3
dt-bindings: regulator: add LS2 load switch documentation
...
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git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regmap
Pull regmap updates from Mark Brown:
"There are only two changes here:
- fix for conflicting attributes on the rbtree node structure
- implementation of main status register support in the interrupt
code which supports chips that have a register to cut down on the
number of per-interrupt status registers that need to be checked
when handling interrupts"
* tag 'regmap-v5.1' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regmap:
regmap: Remove attribute packed from struct 'regcache_rbtree_node'
regmap: regmap-irq: Add main status register support
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Pull MMC updates from Ulf Hansson:
"MMC core:
- Fixup max_discard/trim calculations
- Announce SD specs greater than 4.0
- Add discard support for SD cards
- Don't do retries for CMD6 (SWITCH command)
- Various cleanups and re-structuring
MMC host:
- cqhci:
* Add maintainers for eMMC CQHCI driver
- sdhci:
* Consolidate WP GPIO code
* Add ADMA3 DMA support for V4 enabled host
* Fixup card detect support in pci-o2micro driver
* Add support for CMDQ and SDMMC pads auto-calibration in tegra
driver
* Add DCMD support and CMDQ support, support for i.MX6ULL variant,
fixup HS400 timing issue and add HS400_ES support for i.MX8QXP
to esdhc-imx driver
* Avoid CRC errors by adjusting settings to speed mode and fixup
card initialization for high speed mode in renesas_sdhi
* Fixup timeout settings for omap
* Enable 8 bits bus-width support in atmel-mci
* Convert some legacy code in jz4740 driver to use modern APIs
* Send a CMD12 to clear DPSM at errors for STM32 sdmmc mmci
driver"
* tag 'mmc-v5.1' of git://git.kernel.org/pub/scm/linux/kernel/git/ulfh/mmc: (69 commits)
mmc:fix a bug when max_discard is 0
mmc: core: Add a debug print when the card may have been replaced
mmc: core: Add sd discard timeout
mmc: core: Add discard support to sd
mmc: sdhci-esdhc-imx: clear the HALT bit when enable CQE
mmc: core: do not retry CMD6 in __mmc_switch()
mmc: core: Convert mmc_align_data_size() into an SDIO specific function
mmc: core: Move mmc_of_parse_voltage() to host.c
mmc: core: Convert mmc_regulator_get_ocrmask() to static
mmc: core: Move regulator helpers to separate file
mmc: of_mmc_spi: Convert to mmc_of_parse_voltage()
mmc: core: Drop retries as in-parameter to mmc_wait_for_app_cmd()
mmc: core: Convert mmc_wait_for_app_cmd() to static
mmc: renesas_sdhi: Change HW adjustment register according to speed mode
mmc: mmci: Send a CMD12 to clear the DPSM at errors
mmc: sdhci-xenon: Fixup already marked switch fall-through
mmc: sdhci-tegra: drop ->get_ro() implementation
mmc: sdhci-omap: drop ->get_ro() implementation
mmc: sdhci: use WP GPIO in sdhci_check_ro()
mmc: wmt-sdmmc: Drop unused include
...
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Pull MTD updates from Boris Brezillon:
"Core MTD changes:
- Use struct_size() where appropriate
- mtd_{read,write}() as wrappers around mtd_{read,write}_oob()
- Fix misuse of PTR_ERR() in docg3
- Coding style improvements in mtdcore.c
SPI NOR changes:
Core changes:
- Add support of octal mode I/O transfer
- Add a bunch of SPI NOR entries to the flash_info table
SPI NOR controller driver changes:
- cadence-quadspi:
* Add support for Octal SPI controller
* write upto 8-bytes data in STIG mode
- mtk-quadspi:
* rename config to a common one
* add SNOR_HWCAPS_READ to spi_nor_hwcaps mask
- Add Tudor as SPI-NOR co-maintainer
NAND changes:
NAND core changes:
- Fourth batch of fixes/cleanup to the raw NAND core impacting
various controller drivers (Sunxi, Marvell, MTK, TMIO, OMAP2).
- Check the return code of nand_reset() and nand_readid_op().
- Remove ->legacy.erase and single_erase().
- Simplify the locking.
- Several implicit fall through annotations.
Raw NAND controllers drivers changes:
- Fix various possible object reference leaks (MTK, JZ4780, Atmel)
- ST:
* Add support for STM32 FMC2 NAND flash controller
- Meson:
* Add support for Amlogic NAND flash controller
- Denali:
* Several cleanup patches
- Sunxi:
* Several cleanup patches
- FSMC:
* Disable NAND on remove()
* Reset NAND timings on resume()
SPI-NAND drivers changes:
- Toshiba:
* Add support for all Toshiba products.
- Macronix:
* Fix ECC status read.
- Gigadevice:
* Add support for GD5F1GQ4UExxG"
* tag 'mtd/for-5.1' of git://git.infradead.org/linux-mtd: (64 commits)
mtd: spi-nor: Fix wrong abbreviation HWCPAS
mtd: spi-nor: cadence-quadspi: fix spelling mistake: "Couldnt't" -> "Couldn't"
mtd: spi-nor: Add support for en25qh64
mtd: spi-nor: Add support for MX25V8035F
mtd: spi-nor: Add support for EN25Q80A
mtd: spi-nor: cadence-quadspi: Add support for Octal SPI controller
dt-bindings: cadence-quadspi: Add new compatible for AM654 SoC
mtd: spi-nor: split s25fl128s into s25fl128s0 and s25fl128s1
mtd: spi-nor: cadence-quadspi: write upto 8-bytes data in STIG mode
mtd: spi-nor: Add support for mx25u3235f
mtd: rawnand: denali_dt: remove single anonymous clock support
mtd: rawnand: mtk: fix possible object reference leak
mtd: rawnand: jz4780: fix possible object reference leak
mtd: rawnand: atmel: fix possible object reference leak
mtd: rawnand: fsmc: Disable NAND on remove()
mtd: rawnand: fsmc: Reset NAND timings on resume()
mtd: spinand: Add support for GigaDevice GD5F1GQ4UExxG
mtd: rawnand: denali: remove unused dma_addr field from denali_nand_info
mtd: rawnand: denali: remove unused function argument 'raw'
mtd: rawnand: denali: remove unneeded denali_reset_irq() call
...
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Pull VFIO updates from Alex Williamson:
- Switch mdev to generic UUID API (Andy Shevchenko)
- Fixup platform reset include paths (Masahiro Yamada)
- Fix usage of MINORMASK (Chengguang Xu)
- Remove noise from duplicate spapr table unsets (Alexey Kardashevskiy)
- Restore device state after PM reset (Alex Williamson)
- Ensure memory translation enabled for PCI ROM access (Eric Auger)
* tag 'vfio-v5.1-rc1' of git://github.com/awilliam/linux-vfio:
vfio_pci: Enable memory accesses before calling pci_map_rom
vfio/pci: Restore device state on PM transition
vfio/spapr_tce: Skip unsetting already unset table
samples/vfio-mdev/mtty: expand minor range when registering chrdev region
samples/vfio-mdev/mdpy: expand minor range when registering chrdev region
samples/vfio-mdev/mbochs: expand minor range when registering chrdev region
vfio: expand minor range when registering chrdev region
vfio: platform: reset: fix up include directives to remove ccflags-y
vfio-mdev: Switch to use new generic UUID API
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It is possible that a reporter state will be updated due to a recover flow
which is not triggered by a devlink health related operation, but as a side
effect of some other operation in the system.
Expose devlink health API for a direct update of a reporter status.
Move devlink_health_reporter_state enum definition to devlink.h so it could
be used from drivers as a parameter of devlink_health_reporter_state_update.
In addition, add trace_devlink_health_reporter_state_update to provide user
notification for reporter state change.
Signed-off-by: Eran Ben Elisha <eranbe@mellanox.com>
Acked-by: Jiri Pirko <jiri@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Every in-kernel use of this function defined it to KERNEL_DS (either as
an actual define, or as an inline function). It's an entirely
historical artifact, and long long long ago used to actually read the
segment selector valueof '%ds' on x86.
Which in the kernel is always KERNEL_DS.
Inspired by a patch from Jann Horn that just did this for a very small
subset of users (the ones in fs/), along with Al who suggested a script.
I then just took it to the logical extreme and removed all the remaining
gunk.
Roughly scripted with
git grep -l '(get_ds())' -- :^tools/ | xargs sed -i 's/(get_ds())/(KERNEL_DS)/'
git grep -lw 'get_ds' -- :^tools/ | xargs sed -i '/^#define get_ds()/d'
plus manual fixups to remove a few unusual usage patterns, the couple of
inline function cases and to fix up a comment that had become stale.
The 'get_ds()' function remains in an x86 kvm selftest, since in user
space it actually does something relevant.
Inspired-by: Jann Horn <jannh@google.com>
Inspired-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Al Viro root-caused a race where the IOCB_CMD_POLL handling of
fget/fput() could cause us to access the file pointer after it had
already been freed:
"In more details - normally IOCB_CMD_POLL handling looks so:
1) io_submit(2) allocates aio_kiocb instance and passes it to
aio_poll()
2) aio_poll() resolves the descriptor to struct file by req->file =
fget(iocb->aio_fildes)
3) aio_poll() sets ->woken to false and raises ->ki_refcnt of that
aio_kiocb to 2 (bumps by 1, that is).
4) aio_poll() calls vfs_poll(). After sanity checks (basically,
"poll_wait() had been called and only once") it locks the queue.
That's what the extra reference to iocb had been for - we know we
can safely access it.
5) With queue locked, we check if ->woken has already been set to
true (by aio_poll_wake()) and, if it had been, we unlock the
queue, drop a reference to aio_kiocb and bugger off - at that
point it's a responsibility to aio_poll_wake() and the stuff
called/scheduled by it. That code will drop the reference to file
in req->file, along with the other reference to our aio_kiocb.
6) otherwise, we see whether we need to wait. If we do, we unlock the
queue, drop one reference to aio_kiocb and go away - eventual
wakeup (or cancel) will deal with the reference to file and with
the other reference to aio_kiocb
7) otherwise we remove ourselves from waitqueue (still under the
queue lock), so that wakeup won't get us. No async activity will
be happening, so we can safely drop req->file and iocb ourselves.
If wakeup happens while we are in vfs_poll(), we are fine - aio_kiocb
won't get freed under us, so we can do all the checks and locking
safely. And we don't touch ->file if we detect that case.
However, vfs_poll() most certainly *does* touch the file it had been
given. So wakeup coming while we are still in ->poll() might end up
doing fput() on that file. That case is not too rare, and usually we
are saved by the still present reference from descriptor table - that
fput() is not the final one.
But if another thread closes that descriptor right after our fget()
and wakeup does happen before ->poll() returns, we are in trouble -
final fput() done while we are in the middle of a method:
Al also wrote a patch to take an extra reference to the file descriptor
to fix this, but I instead suggested we just streamline the whole file
pointer handling by submit_io() so that the generic aio submission code
simply keeps the file pointer around until the aio has completed.
Fixes: bfe4037e722e ("aio: implement IOCB_CMD_POLL")
Acked-by: Al Viro <viro@zeniv.linux.org.uk>
Reported-by: syzbot+503d4cc169fcec1cb18c@syzkaller.appspotmail.com
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Daniel Borkmann says:
====================
pull-request: bpf-next 2019-03-04
The following pull-request contains BPF updates for your *net-next* tree.
The main changes are:
1) Add AF_XDP support to libbpf. Rationale is to facilitate writing
AF_XDP applications by offering higher-level APIs that hide many
of the details of the AF_XDP uapi. Sample programs are converted
over to this new interface as well, from Magnus.
2) Introduce a new cant_sleep() macro for annotation of functions
that cannot sleep and use it in BPF_PROG_RUN() to assert that
BPF programs run under preemption disabled context, from Peter.
3) Introduce per BPF prog stats in order to monitor the usage
of BPF; this is controlled by kernel.bpf_stats_enabled sysctl
knob where monitoring tools can make use of this to efficiently
determine the average cost of programs, from Alexei.
4) Split up BPF selftest's test_progs similarly as we already
did with test_verifier. This allows to further reduce merge
conflicts in future and to get more structure into our
quickly growing BPF selftest suite, from Stanislav.
5) Fix a bug in BTF's dedup algorithm which can cause an infinite
loop in some circumstances; also various BPF doc fixes and
improvements, from Andrii.
6) Various BPF sample cleanups and migration to libbpf in order
to further isolate the old sample loader code (so we can get
rid of it at some point), from Jakub.
7) Add a new BPF helper for BPF cgroup skb progs that allows
to set ECN CE code point and a Host Bandwidth Manager (HBM)
sample program for limiting the bandwidth used by v2 cgroups,
from Lawrence.
8) Enable write access to skb->queue_mapping from tc BPF egress
programs in order to let BPF pick TX queue, from Jesper.
9) Fix a bug in BPF spinlock handling for map-in-map which did
not propagate spin_lock_off to the meta map, from Yonghong.
10) Fix a bug in the new per-CPU BPF prog counters to properly
initialize stats for each CPU, from Eric.
11) Add various BPF helper prototypes to selftest's bpf_helpers.h,
from Willem.
12) Fix various BPF samples bugs in XDP and tracing progs,
from Toke, Daniel and Yonghong.
13) Silence preemption splat in test_bpf after BPF_PROG_RUN()
enforces it now everywhere, from Anders.
14) Fix a signedness bug in libbpf's btf_dedup_ref_type() to
get error handling working, from Dan.
15) Fix bpftool documentation and auto-completion with regards
to stream_{verdict,parser} attach types, from Alban.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
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TLS device cannot use the sw context. This patch returns the original
tls device write space handler and moves the sw/device specific portions
to the relevant files.
Also, we remove the write_space call for the tls_sw flow, because it
handles partial records in its delayed tx work handler.
Fixes: a42055e8d2c3 ("net/tls: Add support for async encryption of records for performance")
Signed-off-by: Boris Pismenny <borisp@mellanox.com>
Reviewed-by: Eran Ben Elisha <eranbe@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Cleanup the handling of partial records while fixing a bug where the
tls_push_pending_closed_record function is using the software tls
context instead of the hardware context.
The bug resulted in the following crash:
[ 88.791229] BUG: unable to handle kernel NULL pointer dereference at 0000000000000000
[ 88.793271] #PF error: [normal kernel read fault]
[ 88.794449] PGD 800000022a426067 P4D 800000022a426067 PUD 22a156067 PMD 0
[ 88.795958] Oops: 0000 [#1] SMP PTI
[ 88.796884] CPU: 2 PID: 4973 Comm: openssl Not tainted 5.0.0-rc4+ #3
[ 88.798314] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Bochs 01/01/2011
[ 88.800067] RIP: 0010:tls_tx_records+0xef/0x1d0 [tls]
[ 88.801256] Code: 00 02 48 89 43 08 e8 a0 0b 96 d9 48 89 df e8 48 dd
4d d9 4c 89 f8 4d 8b bf 98 00 00 00 48 05 98 00 00 00 48 89 04 24 49 39
c7 <49> 8b 1f 4d 89 fd 0f 84 af 00 00 00 41 8b 47 10 85 c0 0f 85 8d 00
[ 88.805179] RSP: 0018:ffffbd888186fca8 EFLAGS: 00010213
[ 88.806458] RAX: ffff9af1ed657c98 RBX: ffff9af1e88a1980 RCX: 0000000000000000
[ 88.808050] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff9af1e88a1980
[ 88.809724] RBP: ffff9af1e88a1980 R08: 0000000000000017 R09: ffff9af1ebeeb700
[ 88.811294] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[ 88.812917] R13: ffff9af1e88a1980 R14: ffff9af1ec13f800 R15: 0000000000000000
[ 88.814506] FS: 00007fcad2240740(0000) GS:ffff9af1f7880000(0000) knlGS:0000000000000000
[ 88.816337] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 88.817717] CR2: 0000000000000000 CR3: 0000000228b3e000 CR4: 00000000001406e0
[ 88.819328] Call Trace:
[ 88.820123] tls_push_data+0x628/0x6a0 [tls]
[ 88.821283] ? remove_wait_queue+0x20/0x60
[ 88.822383] ? n_tty_read+0x683/0x910
[ 88.823363] tls_device_sendmsg+0x53/0xa0 [tls]
[ 88.824505] sock_sendmsg+0x36/0x50
[ 88.825492] sock_write_iter+0x87/0x100
[ 88.826521] __vfs_write+0x127/0x1b0
[ 88.827499] vfs_write+0xad/0x1b0
[ 88.828454] ksys_write+0x52/0xc0
[ 88.829378] do_syscall_64+0x5b/0x180
[ 88.830369] entry_SYSCALL_64_after_hwframe+0x44/0xa9
[ 88.831603] RIP: 0033:0x7fcad1451680
[ 1248.470626] BUG: unable to handle kernel NULL pointer dereference at 0000000000000000
[ 1248.472564] #PF error: [normal kernel read fault]
[ 1248.473790] PGD 0 P4D 0
[ 1248.474642] Oops: 0000 [#1] SMP PTI
[ 1248.475651] CPU: 3 PID: 7197 Comm: openssl Tainted: G OE 5.0.0-rc4+ #3
[ 1248.477426] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Bochs 01/01/2011
[ 1248.479310] RIP: 0010:tls_tx_records+0x110/0x1f0 [tls]
[ 1248.480644] Code: 00 02 48 89 43 08 e8 4f cb 63 d7 48 89 df e8 f7 9c
1b d7 4c 89 f8 4d 8b bf 98 00 00 00 48 05 98 00 00 00 48 89 04 24 49 39
c7 <49> 8b 1f 4d 89 fd 0f 84 af 00 00 00 41 8b 47 10 85 c0 0f 85 8d 00
[ 1248.484825] RSP: 0018:ffffaa0a41543c08 EFLAGS: 00010213
[ 1248.486154] RAX: ffff955a2755dc98 RBX: ffff955a36031980 RCX: 0000000000000006
[ 1248.487855] RDX: 0000000000000000 RSI: 000000000000002b RDI: 0000000000000286
[ 1248.489524] RBP: ffff955a36031980 R08: 0000000000000000 R09: 00000000000002b1
[ 1248.491394] R10: 0000000000000003 R11: 00000000ad55ad55 R12: 0000000000000000
[ 1248.493162] R13: 0000000000000000 R14: ffff955a2abe6c00 R15: 0000000000000000
[ 1248.494923] FS: 0000000000000000(0000) GS:ffff955a378c0000(0000) knlGS:0000000000000000
[ 1248.496847] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 1248.498357] CR2: 0000000000000000 CR3: 000000020c40e000 CR4: 00000000001406e0
[ 1248.500136] Call Trace:
[ 1248.500998] ? tcp_check_oom+0xd0/0xd0
[ 1248.502106] tls_sk_proto_close+0x127/0x1e0 [tls]
[ 1248.503411] inet_release+0x3c/0x60
[ 1248.504530] __sock_release+0x3d/0xb0
[ 1248.505611] sock_close+0x11/0x20
[ 1248.506612] __fput+0xb4/0x220
[ 1248.507559] task_work_run+0x88/0xa0
[ 1248.508617] do_exit+0x2cb/0xbc0
[ 1248.509597] ? core_sys_select+0x17a/0x280
[ 1248.510740] do_group_exit+0x39/0xb0
[ 1248.511789] get_signal+0x1d0/0x630
[ 1248.512823] do_signal+0x36/0x620
[ 1248.513822] exit_to_usermode_loop+0x5c/0xc6
[ 1248.515003] do_syscall_64+0x157/0x180
[ 1248.516094] entry_SYSCALL_64_after_hwframe+0x44/0xa9
[ 1248.517456] RIP: 0033:0x7fb398bd3f53
[ 1248.518537] Code: Bad RIP value.
Fixes: a42055e8d2c3 ("net/tls: Add support for async encryption of records for performance")
Signed-off-by: Boris Pismenny <borisp@mellanox.com>
Signed-off-by: Eran Ben Elisha <eranbe@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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genphy_no_soft_reset and gen10g_no_soft_reset are both the same no-ops,
one is enough.
Signed-off-by: Heiner Kallweit <hkallweit1@gmail.com>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: David S. Miller <davem@davemloft.net>
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gen10g_read_status is deprecated, therefore stop exporting it.
We don't want to encourage anybody to use it.
Signed-off-by: Heiner Kallweit <hkallweit1@gmail.com>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: David S. Miller <davem@davemloft.net>
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ETHTOOL_LINK_MODE_10000baseT_Full_BIT is set anyway in the supported
and advertising bitmap because it's part of PHY_10GBIT_FEATURES.
And all users of gen10g_config_init use PHY_10GBIT_FEATURES.
Signed-off-by: Heiner Kallweit <hkallweit1@gmail.com>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: David S. Miller <davem@davemloft.net>
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phy_suspend() and phy_resume() are no-ops anyway if no callback is
defined. Therefore we don't need these stubs.
Signed-off-by: Heiner Kallweit <hkallweit1@gmail.com>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: David S. Miller <davem@davemloft.net>
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By default IPv6 socket with IPV6_ROUTER_ALERT socket option set will
receive all IPv6 RA packets from all namespaces.
IPV6_ROUTER_ALERT_ISOLATE socket option restricts packets received by
the socket to be only from the socket's namespace.
Signed-off-by: Maxim Martynov <maxim@arista.com>
Signed-off-by: Francesco Ruggeri <fruggeri@arista.com>
Reviewed-by: David Ahern <dsahern@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Add flag 'FWMARK' to enable use of firewall connmarks as tin selector.
The connmark (skbuff->mark) needs to be in the range 1->tin_cnt ie.
for diffserv3 the mark needs to be 1->3.
Background
Typically CAKE uses DSCP as the basis for tin selection. DSCP values
are relatively easily changed as part of the egress path, usually with
iptables & the mangle table, ingress is more challenging. CAKE is often
used on the WAN interface of a residential gateway where passthrough of
DSCP from the ISP is either missing or set to unhelpful values thus use
of ingress DSCP values for tin selection isn't helpful in that
environment.
An approach to solving the ingress tin selection problem is to use
CAKE's understanding of tc filters. Naive tc filters could match on
source/destination port numbers and force tin selection that w |
