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We really need the writecombine flag in dma_alloc_wc, fix a stupid
oversight.
Fixes: 7ed1d91a9e ("dma-mapping: translate __GFP_NOFAIL to DMA_ATTR_NO_WARN")
Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Pull x86 fixes from Ingo Molnar:
"The biggest part is a series of reverts for the macro based GCC
inlining workarounds. It caused regressions in distro build and other
kernel tooling environments, and the GCC project was very receptive to
fixing the underlying inliner weaknesses - so as time ran out we
decided to do a reasonably straightforward revert of the patches. The
plan is to rely on the 'asm inline' GCC 9 feature, which might be
backported to GCC 8 and could thus become reasonably widely available
on modern distros.
Other than those reverts, there's misc fixes from all around the
place.
I wish our final x86 pull request for v4.20 was smaller..."
* 'x86-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
Revert "kbuild/Makefile: Prepare for using macros in inline assembly code to work around asm() related GCC inlining bugs"
Revert "x86/objtool: Use asm macros to work around GCC inlining bugs"
Revert "x86/refcount: Work around GCC inlining bug"
Revert "x86/alternatives: Macrofy lock prefixes to work around GCC inlining bugs"
Revert "x86/bug: Macrofy the BUG table section handling, to work around GCC inlining bugs"
Revert "x86/paravirt: Work around GCC inlining bugs when compiling paravirt ops"
Revert "x86/extable: Macrofy inline assembly code to work around GCC inlining bugs"
Revert "x86/cpufeature: Macrofy inline assembly code to work around GCC inlining bugs"
Revert "x86/jump-labels: Macrofy inline assembly code to work around GCC inlining bugs"
x86/mtrr: Don't copy uninitialized gentry fields back to userspace
x86/fsgsbase/64: Fix the base write helper functions
x86/mm/cpa: Fix cpa_flush_array() TLB invalidation
x86/vdso: Pass --eh-frame-hdr to the linker
x86/mm: Fix decoy address handling vs 32-bit builds
x86/intel_rdt: Ensure a CPU remains online for the region's pseudo-locking sequence
x86/dump_pagetables: Fix LDT remap address marker
x86/mm: Fix guard hole handling
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Pull networking fixes from David Miller:
1) Off by one in netlink parsing of mac802154_hwsim, from Alexander
Aring.
2) nf_tables RCU usage fix from Taehee Yoo.
3) Flow dissector needs nhoff and thoff clamping, from Stanislav
Fomichev.
4) Missing sin6_flowinfo initialization in SCTP, from Xin Long.
5) Spectrev1 in ipmr and ip6mr, from Gustavo A. R. Silva.
6) Fix r8169 crash when DEBUG_SHIRQ is enabled, from Heiner Kallweit.
7) Fix SKB leak in rtlwifi, from Larry Finger.
8) Fix state pruning in bpf verifier, from Jakub Kicinski.
9) Don't handle completely duplicate fragments as overlapping, from
Michal Kubecek.
10) Fix memory corruption with macb and 64-bit DMA, from Anssi Hannula.
11) Fix TCP fallback socket release in smc, from Myungho Jung.
12) gro_cells_destroy needs to napi_disable, from Lorenzo Bianconi.
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net: (130 commits)
rds: Fix warning.
neighbor: NTF_PROXY is a valid ndm_flag for a dump request
net: mvpp2: fix the phylink mode validation
net/sched: cls_flower: Remove old entries from rhashtable
net/tls: allocate tls context using GFP_ATOMIC
iptunnel: make TUNNEL_FLAGS available in uapi
gro_cell: add napi_disable in gro_cells_destroy
lan743x: Remove MAC Reset from initialization
net/mlx5e: Remove the false indication of software timestamping support
net/mlx5: Typo fix in del_sw_hw_rule
net/mlx5e: RX, Fix wrong early return in receive queue poll
ipv6: explicitly initialize udp6_addr in udp_sock_create6()
bnxt_en: Fix ethtool self-test loopback.
net/rds: remove user triggered WARN_ON in rds_sendmsg
net/rds: fix warn in rds_message_alloc_sgs
ath10k: skip sending quiet mode cmd for WCN3990
mac80211: free skb fraglist before freeing the skb
nl80211: fix memory leak if validate_pae_over_nl80211() fails
net/smc: fix TCP fallback socket release
vxge: ensure data0 is initialized in when fetching firmware version information
...
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ip l add dev tun type gretap external
ip r a 10.0.0.1 encap ip dst 192.168.152.171 id 1000 dev gretap
For gretap Key example when the command set the id but don't set the
TUNNEL_KEY flags. There is no key field in the send packet
In the lwtunnel situation, some TUNNEL_FLAGS should can be set by
userspace
Signed-off-by: wenxu <wenxu@ucloud.cn>
Signed-off-by: David S. Miller <davem@davemloft.net>
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This reverts commit c06c4d8090513f2974dfdbed2ac98634357ac475.
See this commit for details about the revert:
e769742d3584 ("Revert "x86/jump-labels: Macrofy inline assembly code to work around GCC inlining bugs"")
Reported-by: Masahiro Yamada <yamada.masahiro@socionext.com>
Reviewed-by: Borislav Petkov <bp@alien8.de>
Reviewed-by: Thomas Gleixner <tglx@linutronix.de>
Cc: Juergen Gross <jgross@suse.com>
Cc: Richard Biener <rguenther@suse.de>
Cc: Kees Cook <keescook@chromium.org>
Cc: Segher Boessenkool <segher@kernel.crashing.org>
Cc: Ard Biesheuvel <ard.biesheuvel@linaro.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Josh Poimboeuf <jpoimboe@redhat.com>
Cc: Nadav Amit <namit@vmware.com>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: linux-kernel@vger.kernel.org
Signed-off-by: Ingo Molnar <mingo@kernel.org>
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This reverts commit f81f8ad56fd1c7b99b2ed1c314527f7d9ac447c6.
See this commit for details about the revert:
e769742d3584 ("Revert "x86/jump-labels: Macrofy inline assembly code to work around GCC inlining bugs"")
Reported-by: Masahiro Yamada <yamada.masahiro@socionext.com>
Reviewed-by: Borislav Petkov <bp@alien8.de>
Reviewed-by: Thomas Gleixner <tglx@linutronix.de>
Cc: Juergen Gross <jgross@suse.com>
Cc: Richard Biener <rguenther@suse.de>
Cc: Kees Cook <keescook@chromium.org>
Cc: Segher Boessenkool <segher@kernel.crashing.org>
Cc: Ard Biesheuvel <ard.biesheuvel@linaro.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Josh Poimboeuf <jpoimboe@redhat.com>
Cc: Nadav Amit <namit@vmware.com>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: linux-kernel@vger.kernel.org
Signed-off-by: Ingo Molnar <mingo@kernel.org>
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Alexei Starovoitov says:
====================
pull-request: bpf 2018-12-18
The following pull-request contains BPF updates for your *net* tree.
The main changes are:
1) promote bpf_perf_event.h to mandatory UAPI header, from Masahiro.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
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Herton reports the following error when building a userspace program that
includes net_stamp.h:
In file included from foo.c:2:
/usr/include/linux/net_tstamp.h:158:2: error: unknown type name
‘clockid_t’
clockid_t clockid; /* reference clockid */
^~~~~~~~~
Fix it by using __kernel_clockid_t in place of clockid_t.
Fixes: 80b14dee2bea ("net: Add a new socket option for a future transmit time.")
Cc: Timothy Redaelli <tredaelli@redhat.com>
Reported-by: Herton R. Krzesinski <herton@redhat.com>
Signed-off-by: Davide Caratti <dcaratti@redhat.com>
Tested-by: Paolo Abeni <pabeni@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Pull block fix from Jens Axboe:
"Correct an ioctl direction for the zoned ioctls"
* tag 'for-linus-20181218' of git://git.kernel.dk/linux-block:
uapi: linux/blkzoned.h: fix BLKGETZONESZ and BLKGETNRZONES definitions
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Steffen Klassert says:
====================
pull request (net): ipsec 2018-12-18
1) Fix error return code in xfrm_output_one()
when no dst_entry is attached to the skb.
From Wei Yongjun.
2) The xfrm state hash bucket count reported to
userspace is off by one. Fix from Benjamin Poirier.
3) Fix NULL pointer dereference in xfrm_input when
skb_dst_force clears the dst_entry.
4) Fix freeing of xfrm states on acquire. We use a
dedicated slab cache for the xfrm states now,
so free it properly with kmem_cache_free.
From Mathias Krause.
Please pull or let me know if there are problems.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
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Pull SCSI fixes from James Bottomley:
"Three fixes: The t10-pi one is a regression from the 4.19 release, the
qla2xxx one is a 4.20 merge window regression and the bnx2fc is a very
old bug"
* tag 'scsi-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi:
scsi: t10-pi: Return correct ref tag when queue has no integrity profile
scsi: bnx2fc: Fix NULL dereference in error handling
Revert "scsi: qla2xxx: Fix NVMe Target discovery"
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SOF_TIMESTAMPING_OPT_ID is supported on TCP, UDP and RAW sockets.
But it was missing on RAW with IPPROTO_IP, PF_PACKET and CAN.
Add skb_setup_tx_timestamp that configures both tx_flags and tskey
for these paths that do not need corking or use bytestream keys.
Fixes: 09c2d251b707 ("net-timestamp: add key to disambiguate concurrent datagrams")
Signed-off-by: Willem de Bruijn <willemb@google.com>
Acked-by: Soheil Hassas Yeganeh <soheil@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Since commit c895f6f703ad ("bpf: correct broken uapi for
BPF_PROG_TYPE_PERF_EVENT program type"), all architectures
(except um) are required to have bpf_perf_event.h in uapi/asm.
Add it to mandatory-y so "make headers_install" can check it.
Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
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According to the documentation in include/uapi/asm-generic/ioctl.h,
_IOW means userspace is writing and kernel is reading, and
_IOR means userspace is reading and kernel is writing.
In case of these two ioctls, kernel is writing and userspace is reading,
so they have to be _IOR instead of _IOW.
Fixes: 72cd87576d1d8 ("block: Introduce BLKGETZONESZ ioctl")
Fixes: 65e4e3eee83d7 ("block: Introduce BLKGETNRZONES ioctl")
Reviewed-by: Damien Le Moal <damien.lemoal@wdc.com>
Signed-off-by: Dmitry V. Levin <ldv@altlinux.org>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
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Signed-off-by: Robert P. J. Day <rpjday@crashcourse.ca>
Reviewed-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Alexei Starovoitov says:
====================
pull-request: bpf 2018-12-15
The following pull-request contains BPF updates for your *net* tree.
The main changes are:
1) fix liveness propagation of callee saved registers, from Jakub.
2) fix overflow in bpf_jit_limit knob, from Daniel.
3) bpf_flow_dissector api fix, from Stanislav.
4) bpf_perf_event api fix on powerpc, from Sandipan.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
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While most distributions long ago switched to the iproute2 suite
of utilities, which allow class-e (240.0.0.0/4) address assignment,
distributions relying on busybox, toybox and other forms of
ifconfig cannot assign class-e addresses without this kernel patch.
While CIDR has been obsolete for 2 decades, and a survey of all the
open source code in the world shows the IN_whatever macros are also
obsolete... rather than obsolete CIDR from this ioctl entirely, this
patch merely enables class-e assignment, sanely.
Signed-off-by: Dave Taht <dave.taht@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Presently the arches arm64, arm and sh have a function which loops
through each memblock and calls memory present. riscv will require a
similar function.
Introduce a common memblocks_present() function that can be used by all
the arches. Subsequent patches will cleanup the arches that make use of
this.
Link: http://lkml.kernel.org/r/20181107205433.3875-3-logang@deltatee.com
Signed-off-by: Logan Gunthorpe <logang@deltatee.com>
Acked-by: Andrew Morton <akpm@linux-foundation.org>
Cc: Michal Hocko <mhocko@suse.com>
Cc: Vlastimil Babka <vbabka@suse.cz>
Cc: Oscar Salvador <osalvador@suse.de>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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This define is used by arm64 to calculate the size of the vmemmap
region. It is defined as the log2 of the upper bound on the size of a
struct page.
We move it into mm_types.h so it can be defined properly instead of set
and checked with a build bug. This also allows us to use the same
define for riscv.
Link: http://lkml.kernel.org/r/20181107205433.3875-2-logang@deltatee.com
Signed-off-by: Logan Gunthorpe <logang@deltatee.com>
Acked-by: Will Deacon <will.deacon@arm.com>
Acked-by: Andrew Morton <akpm@linux-foundation.org>
Acked-by: Ard Biesheuvel <ard.biesheuvel@linaro.org>
Acked-by: Catalin Marinas <catalin.marinas@arm.com>
Cc: Arnd Bergmann <arnd@arndb.de>
Cc: Christoph Hellwig <hch@lst.de>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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HW unhash within mutex for registered tls devices cause sleep
when called from tcp_set_state for TCP_CLOSE. Release lock and
re-acquire after function call with ref count incr/dec.
defined kref and fp release for tls_device to ensure device
is not released outside lock.
BUG: sleeping function called from invalid context at
kernel/locking/mutex.c:748
in_atomic(): 1, irqs_disabled(): 0, pid: 0, name: swapper/7
INFO: lockdep is turned off.
CPU: 7 PID: 0 Comm: swapper/7 Tainted: G W O
Call Trace:
<IRQ>
dump_stack+0x5e/0x8b
___might_sleep+0x222/0x260
__mutex_lock+0x5c/0xa50
? vprintk_emit+0x1f3/0x440
? kmem_cache_free+0x22d/0x2a0
? tls_hw_unhash+0x2f/0x80
? printk+0x52/0x6e
? tls_hw_unhash+0x2f/0x80
tls_hw_unhash+0x2f/0x80
tcp_set_state+0x5f/0x180
tcp_done+0x2e/0xe0
tcp_rcv_state_process+0x92c/0xdd3
? lock_acquire+0xf5/0x1f0
? tcp_v4_rcv+0xa7c/0xbe0
? tcp_v4_do_rcv+0x70/0x1e0
Signed-off-by: Atul Gupta <atul.gupta@chelsio.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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NETLINK_DUMP_STRICT_CHK can be used for all GET requests,
dumps as well as doit handlers. Replace the DUMP in the
name with GET make that clearer.
Signed-off-by: Jakub Kicinski <jakub.kicinski@netronome.com>
Reviewed-by: David Ahern <dsahern@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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mlx5-fixes-2018-12-13
Subject: [pull request][net 0/9] Mellanox, mlx5 fixes 2018-12-13
Saeed Mahameed says:
====================
This series introduces some fixes to the mlx5 core and mlx5e netdevice
driver.
=======
Conflict with net-next: When merged with net-next this series will
cause a moderate conflict:
1) in drivers/net/ethernet/mellanox/mlx5/core/en_tc.c (2 hunks)
Take hunks from net only and just replace *attr->mirror_count to *attr->split_count
1.1) there is one more instance of slow_attr->mirror_count to be replaced
with slow_attr->split_count, it doesn't appear in the conflict, it will
cause a compilation error if left out.
2) in mlx5_ifc.h, take hunks only from net.
Example for the merge resolution can be found at:
https://git.kernel.org/pub/scm/linux/kernel/git/saeed/linux.git/commit/?h=merge/mlx5-fixes&id=48830adf29804d85d77ed8a251d625db0eb5b8a8
branch merge/mlx5-fixes of git://git.kernel.org/pub/scm/linux/kernel/git/saeed/linux
(I simply merged this pull request tag into net-next and resolved the conflict)
I don't know if it's ok with you, but to save your time, you can just:
git pull git://git.kernel.org/pub/scm/linux/kernel/git/saeed/linux merge/mlx5-fixes
Into net-next, before your next net merge, and you will have a clean
merge of net into net-next (at least for mlx5 files).
======
Please pull and let me know if there's any problem.
For -stable v4.18
338d615be484 ('net/mlx5e: Cancel DIM work on close SQ')
91f40f9904ad ('net/mlx5e: RX, Verify MPWQE stride size is in range')
For -stable v4.19
c5c7e1c41bbe ('net/mlx5e: Remove unused UDP GSO remaining counter')
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
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Pull XArray fixes from Matthew Wilcox:
"Two bugfixes, each with test-suite updates, two improvements to the
test-suite without associated bugs, and one patch adding a missing
API"
* tag 'xarray-4.20-rc7' of git://git.infradead.org/users/willy/linux-dax:
XArray: Fix xa_alloc when id exceeds max
XArray tests: Check iterating over multiorder entries
XArray tests: Handle larger indices more elegantly
XArray: Add xa_cmpxchg_irq and xa_cmpxchg_bh
radix tree: Don't return retry entries from lookup
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The cap bits locations for the fdb caps of multi path to table (used for
local mirroring) and multi encap (used for prio/chains) were wrongly used
in swapped locations. This went unnoted so far b/c we tested the offending
patch with CX5 FW that supports both of them. On different environments where
not both caps are supported, we will be messed up, fix that.
Fixes: b9aa0ba17af5 ('net/mlx5: Add cap bits for multi fdb encap')
Signed-off-by: Vu Pham <vu@mellanox.com>
Reviewed-by: Or Gerlitz <ogerlitz@mellanox.com>
Tested-by: Or Gerlitz <ogerlitz@mellanox.com>
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
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Pablo Neira Ayuso says:
====================
Netfilter fixes for net
The following patchset contains Netfilter fixes for net:
1) Fix warnings suspicious rcu usage when handling base chain
statistics, from Taehee Yoo.
2) Refetch pointer to tcp header from nf_ct_sack_adjust() since
skb_make_writable() may reallocate data area, reported by Google
folks patch from Florian.
3) Incorrect netlink nest end after previous cancellation from error
path in ipset, from Pan Bian.
4) Use dst_hold_safe() from nf_xfrm_me_harder(), from Florian.
5) Use rb_link_node_rcu() for rcu-protected rbtree node in
nf_conncount, from Taehee Yoo.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
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Pull media fixes from Mauro Carvalho Chehab:
- one regression at vsp1 driver
- some last time changes for the upcoming request API logic and for
stateless codec support. As the stateless codec "cedrus" driver is at
staging, don't apply the MPEG controls as part of the main V4L2 API,
as those may not be ready for production yet.
* tag 'media/v4.20-5' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media:
media: Add a Kconfig option for the Request API
media: extended-controls.rst: add note to the MPEG2 state controls
media: mpeg2-ctrls.h: move MPEG2 state controls to non-public header
media: vicodec: set state resolution from raw format
media: vivid: drop v4l2_ctrl_request_complete() from start_streaming
media: vb2: don't unbind/put the object when going to state QUEUED
media: vb2: keep a reference to the request until dqbuf
media: vb2: skip request checks for VIDIOC_PREPARE_BUF
media: vb2: don't call __vb2_queue_cancel if vb2_start_streaming failed
media: cedrus: Fix a NULL vs IS_ERR() check
media: vsp1: Fix LIF buffer thresholds
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Michael and Sandipan report:
Commit ede95a63b5 introduced a bpf_jit_limit tuneable to limit BPF
JIT allocations. At compile time it defaults to PAGE_SIZE * 40000,
and is adjusted again at init time if MODULES_VADDR is defined.
For ppc64 kernels, MODULES_VADDR isn't defined, so we're stuck with
the compile-time default at boot-time, which is 0x9c400000 when
using 64K page size. This overflows the signed 32-bit bpf_jit_limit
value:
root@ubuntu:/tmp# cat /proc/sys/net/core/bpf_jit_limit
-1673527296
and can cause various unexpected failures throughout the network
stack. In one case `strace dhclient eth0` reported:
setsockopt(5, SOL_SOCKET, SO_ATTACH_FILTER, {len=11, filter=0x105dd27f8},
16) = -1 ENOTSUPP (Unknown error 524)
and similar failures can be seen with tools like tcpdump. This doesn't
always reproduce however, and I'm not sure why. The more consistent
failure I've seen is an Ubuntu 18.04 KVM guest booted on a POWER9
host would time out on systemd/netplan configuring a virtio-net NIC
with no noticeable errors in the logs.
Given this and also given that in near future some architectures like
arm64 will have a custom area for BPF JIT image allocations we should
get rid of the BPF_JIT_LIMIT_DEFAULT fallback / default entirely. For
4.21, we have an overridable bpf_jit_alloc_exec(), bpf_jit_free_exec()
so therefore add another overridable bpf_jit_alloc_exec_limit() helper
function which returns the possible size of the memory area for deriving
the default heuristic in bpf_jit_charge_init().
Like bpf_jit_alloc_exec() and bpf_jit_free_exec(), the new
bpf_jit_alloc_exec_limit() assumes that module_alloc() is the default
JIT memory provider, and therefore in case archs implement their custom
module_alloc() we use MODULES_{END,_VADDR} for limits and otherwise for
vmalloc_exec() cases like on ppc64 we use VMALLOC_{END,_START}.
Additionally, for archs supporting large page sizes, we should change
the sysctl to be handled as long to not run into sysctl restrictions
in future.
Fixes: ede95a63b5e8 ("bpf: add bpf_jit_limit knob to restrict unpriv allocations")
Reported-by: Sandipan Das <sandipan@linux.ibm.com>
Reported-by: Michael Roth <mdroth@linux.vnet.ibm.com>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Tested-by: Michael Roth <mdroth@linux.vnet.ibm.com>
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
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Pull HID subsystem fixes from Jiri Kosina:
- two device-specific quirks from Hans de Goede and Nic Soudée
- reintroduction of (mistakenly remocved) ABS_RESERVED from Peter
Hutterer
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/hid/hid:
Input: restore EV_ABS ABS_RESERVED
HID: quirks: fix RetroUSB.com devices
HID: ite: Add USB id match for another ITE based keyboard rfkill key quirk
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Pull networking fixes from David Miller:
"A decent batch of fixes here. I'd say about half are for problems that
have existed for a while, and half are for new regressions added in
the 4.20 merge window.
1) Fix 10G SFP phy module detection in mvpp2, from Baruch Siach.
2) Revert bogus emac driver change, from Benjamin Herrenschmidt.
3) Handle BPF exported data structure with pointers when building
32-bit userland, from Daniel Borkmann.
4) Memory leak fix in act_police, from Davide Caratti.
5) Check RX checksum offload in RX descriptors properly in aquantia
driver, from Dmitry Bogdanov.
6) SKB unlink fix in various spots, from Edward Cree.
7) ndo_dflt_fdb_dump() only works with ethernet, enforce this, from
Eric Dumazet.
8) Fix FID leak in mlxsw driver, from Ido Schimmel.
9) IOTLB locking fix in vhost, from Jean-Philippe Brucker.
10) Fix SKB truesize accounting in ipv4/ipv6/netfilter frag memory
limits otherwise namespace exit can hang. From Jiri Wiesner.
11) Address block parsing length fixes in x25 from Martin Schiller.
12) IRQ and ring accounting fixes in bnxt_en, from Michael Chan.
13) For tun interfaces, only iface delete works with rtnl ops, enforce
this by disallowing add. From Nicolas Dichtel.
14) Use after free in liquidio, from Pan Bian.
15) Fix SKB use after passing to netif_receive_skb(), from Prashant
Bhole.
16) Static key accounting and other fixes in XPS from Sabrina Dubroca.
17) Partially initialized flow key passed to ip6_route_output(), from
Shmulik Ladkani.
18) Fix RTNL deadlock during reset in ibmvnic driver, from Thomas
Falcon.
19) Several small TCP fixes (off-by-one on window probe abort, NULL
deref in tail loss probe, SNMP mis-estimations) from Yuchung
Cheng"
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net: (93 commits)
net/sched: cls_flower: Reject duplicated rules also under skip_sw
bnxt_en: Fix _bnxt_get_max_rings() for 57500 chips.
bnxt_en: Fix NQ/CP rings accounting on the new 57500 chips.
bnxt_en: Keep track of reserved IRQs.
bnxt_en: Fix CNP CoS queue regression.
net/mlx4_core: Correctly set PFC param if global pause is turned off.
Revert "net/ibm/emac: wrong bit is used for STA control"
neighbour: Avoid writing before skb->head in neigh_hh_output()
ipv6: Check available headroom in ip6_xmit() even without options
tcp: lack of available data can also cause TSO defer
ipv6: sr: properly initialize flowi6 prior passing to ip6_route_output
mlxsw: spectrum_switchdev: Fix VLAN device deletion via ioctl
mlxsw: spectrum_router: Relax GRE decap matching check
mlxsw: spectrum_switchdev: Avoid leaking FID's reference count
mlxsw: spectrum_nve: Remove easily triggerable warnings
ipv4: ipv6: netfilter: Adjust the frag mem limit when truesize changes
sctp: frag_point sanity check
tcp: fix NULL ref in tail loss probe
tcp: Do not underestimate rwnd_limited
net: use skb_list_del_init() to remove from RX sublists
...
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Pull char/misc driver fixes from Greg KH:
"Here are some small driver fixes for 4.20-rc6.
There is a hyperv fix that for some reaon took forever to get into a
shape that could be applied to the tree properly, but resolves a much
reported issue. The others are some gnss patches, one a bugfix and the
two others updates to the MAINTAINERS file to properly match the gnss
files in the tree.
All have been in linux-next for a while with no reported issues"
* tag 'char-misc-4.20-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc:
MAINTAINERS: exclude gnss from SIRFPRIMA2 regex matching
MAINTAINERS: add gnss scm tree
gnss: sirf: fix activation retry handling
Drivers: hv: vmbus: Offload the handling of channels to two workqueues
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Pull USB fixes from Greg KH:
"Here are some small USB fixes for 4.20-rc6
The "largest" here are some xhci fixes for reported issues. Also here
is a USB core fix, some quirk additions, and a usb-serial fix which
required the export of one of the tty layer's functions to prevent
code duplication. The tty maintainer agreed with this change.
All of these have been in linux-next with no reported issues"
* tag 'usb-4.20-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb:
xhci: Prevent U1/U2 link pm states if exit latency is too long
xhci: workaround CSS timeout on AMD SNPS 3.0 xHC
USB: check usb_get_extra_descriptor for proper size
USB: serial: console: fix reported terminal settings
usb: quirk: add no-LPM quirk on SanDisk Ultra Flair device
USB: Fix invalid-free bug in port_over_current_notify()
usb: appledisplay: Add 27" Apple Cinema Display
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Pull dax fixes from Dan Williams:
"The last of the known regression fixes and fallout from the Xarray
conversion of the filesystem-dax implementation.
On the path to debugging why the dax memory-failure injection test
started failing after the Xarray conversion a couple more fixes for
the dax_lock_mapping_entry(), now called dax_lock_page(), surfaced.
Those plus the bug that started the hunt are now addressed. These
patches have appeared in a -next release with no issues reported.
Note the touches to mm/memory-failure.c are just the conversion to the
new function signature for dax_lock_page().
Summary:
- Fix the Xarray conversion of fsdax to properly handle
dax_lock_mapping_entry() in the presense of pmd entries
- Fix inode destruction racing a new lock request"
* tag 'dax-fixes-4.20-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/nvdimm/nvdimm:
dax: Fix unlock mismatch with updated API
dax: Don't access a freed inode
dax: Check page->mapping isn't NULL
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Pull asm-generic fix from Arnd Bergmann:
"Multiple people reported a bug I introduced in asm-generic/unistd.h in
4.20, this is the obvious bugfix to get glibc and others to correctly
build again on new architectures that no longer provide the old
fstatat64() family of system calls"
* tag 'asm-generic-4.20' of git://git.kernel.org/pub/scm/linux/kernel/git/arnd/asm-generic:
asm-generic: unistd.h: fixup broken macro include.
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This reverts commit 89c83fb539f95491be80cdd5158e6f0ce329e317.
This should have been done as part of 2f0799a0ffc0 ("mm, thp: restore
node-local hugepage allocations"). The movement of the thp allocation
policy from alloc_pages_vma() to alloc_hugepage_direct_gfpmask() was
intended to only set __GFP_THISNODE for mempolicies that are not
MPOL_BIND whereas the revert could set this regardless of mempolicy.
While the check for MPOL_BIND between alloc_hugepage_direct_gfpmask()
and alloc_pages_vma() was racy, that has since been removed since the
revert. What is left is the possibility to use __GFP_THISNODE in
policy_node() when it is unexpected because the special handling for
hugepages in alloc_pages_vma() was removed as part of the consolidation.
Secondly, prior to 89c83fb539f9, alloc_pages_vma() implemented a somewhat
different policy for hugepage allocations, which were allocated through
alloc_hugepage_vma(). For hugepage allocations, if the allocating
process's node is in the set of allowed nodes, allocate with
__GFP_THISNODE for that node (for MPOL_PREFERRED, use that node with
__GFP_THISNODE instead). This was changed for shmem_alloc_hugepage() to
allow fallback to other nodes in 89c83fb539f9 as it did for new_page() in
mm/mempolicy.c which is functionally different behavior and removes the
requirement to only allocate hugepages locally.
So this commit does a full revert of 89c83fb539f9 instead of the partial
revert that was done in 2f0799a0ffc0. The result is the same thp
allocation policy for 4.20 that was in 4.19.
Fixes: 89c83fb539f9 ("mm, thp: consolidate THP gfp handling into alloc_hugepage_direct_gfpmask")
Fixes: 2f0799a0ffc0 ("mm, thp: restore node-local hugepage allocations")
Signed-off-by: David Rientjes <rientjes@google.com>
Acked-by: Vlastimil Babka <vbabka@suse.cz>
Cc: Andrea Arcangeli <aarcange@redhat.com>
Cc: Mel Gorman <mgorman@techsingularity.net>
Cc: Michal Hocko <mhocko@kernel.org>
Cc: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Commit ddd0bc756983 ("block: move ref_tag calculation func to the block
layer") moved ref tag calculation from SCSI to a library function. However,
this change broke returning the correct ref tag for devices operating in
DIF mode since these do not have an associated block integrity profile.
This in turn caused read/write failures on PI-formatted disks attached to
an mpt3sas controller.
Fixes: ddd0bc756983 ("block: move ref_tag calculation func to the block layer")
Cc: stable@vger.kernel.org # 4.19+
Reported-by: John Garry <john.garry@huawei.com>
Tested-by: Xiang Chen <chenxiang66@hisilicon.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
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While skb_push() makes the kernel panic if the skb headroom is less than
the unaligned hardware header size, it will proceed normally in case we
copy more than that because of alignment, and we'll silently corrupt
adjacent slabs.
In the case fixed by the previous patch,
"ipv6: Check available headroom in ip6_xmit() even without options", we
end up in neigh_hh_output() with 14 bytes headroom, 14 bytes hardware
header and write 16 bytes, starting 2 bytes before the allocated buffer.
Always check we're not writing before skb->head and, if the headroom is
not enough, warn and drop the packet.
v2:
- instead of panicking with BUG_ON(), WARN_ON_ONCE() and drop the packet
(Eric Dumazet)
- if we avoid the panic, though, we need to explicitly check the headroom
before the memcpy(), otherwise we'll have corrupted slabs on a running
kernel, after we warn
- use __skb_push() instead of skb_push(), as the headroom check is
already implemented here explicitly (Eric Dumazet)
Signed-off-by: Stefano Brivio <sbrivio@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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ABS_RESERVED was added in d9ca1c990a7 and accidentally removed as part of
ffe0e7cf290f5c9 when the high-resolution scrolling code was removed.
Signed-off-by: Peter Hutterer <peter.hutterer@who-t.net>
Reviewed-by: Martin Kepplinger <martin.kepplinger@ginzinger.com>
Acked-by: Benjamin Tissoires <benjamin.tissoires@redhat.com>
Acked-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Signed-off-by: Benjamin Tissoires <benjamin.tissoires@redhat.com>
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Pull NFS client bugfixes from Trond Myklebust:
"This is mainly fallout from the updates to the SUNRPC code that is
being triggered from less common combinations of NFS mount options.
Highlights include:
Stable fixes:
- Fix a page leak when using RPCSEC_GSS/krb5p to encrypt data.
Bugfixes:
- Fix a regression that causes the RPC receive code to hang
- Fix call_connect_status() so that it handles tasks that got
transmitted while queued waiting for the socket lock.
- Fix a memory leak in call_encode()
- Fix several other connect races.
- Fix receive code error handling.
- Use the discard iterator rather than MSG_TRUNC for compatibility
with AF_UNIX/AF_LOCAL sockets.
- nfs: don't dirty kernel pages read by direct-io
- pnfs/Flexfiles fix to enforce per-mirror stateid only for NFSv4
data servers"
* tag 'nfs-for-4.20-5' of git://git.linux-nfs.org/projects/trondmy/linux-nfs:
SUNRPC: Don't force a redundant disconnection in xs_read_stream()
SUNRPC: Fix up socket polling
SUNRPC: Use the discard iterator rather than MSG_TRUNC
SUNRPC: Treat EFAULT as a truncated message in xs_read_stream_request()
SUNRPC: Fix up handling of the XDRBUF_SPARSE_PAGES flag
SUNRPC: Fix RPC receive hangs
SUNRPC: Fix a potential race in xprt_connect()
SUNRPC: Fix a memory leak in call_encode()
SUNRPC: Fix leak of krb5p encode pages
SUNRPC: call_connect_status() must handle tasks that got transmitted
nfs: don't dirty kernel pages read by direct-io
flexfiles: enforce per-mirror stateid only for v4 DSes
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Pull sound fixes from Takashi Iwai:
"Still more incoming fixes than wished at this stage, but all look like
small and reasonable fixes.
In addition to the usual HD-audio and USB-audio quirks for various
devices, two notable changes are included:
- a fix for USB-audio UAF at probing a malformed descriptor
- workarounds for PCM rwsem mutex starvation"
* tag 'sound-4.20-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound:
ALSA: hda/realtek: Fix mic issue on Acer AIO Veriton Z4860G/Z6860G
ALSA: hda/realtek: Fix mic issue on Acer AIO Veriton Z4660G
ALSA: hda/realtek - Add support for Acer Aspire C24-860 headset mic
ALSA: hda/realtek: ALC286 mic and headset-mode fixups for Acer Aspire U27-880
ALSA: usb-audio: Fix UAF decrement if card has no live interfaces in card.c
ALSA: hda/realtek - Fix speaker output regression on Thinkpad T570
ALSA: pcm: Fix interval evaluation with openmin/max
ALSA: hda: Add support for AMD Stoney Ridge
ALSA: usb-audio: Add SMSL D1 to quirks for native DSD support
ALSA: pcm: Fix starvation on down_write_nonblock()
ALSA: pcm: Call snd_pcm_unlink() conditionally at closing
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Johan writes:
USB-serial fix for v4.20-rc6
Here's a fix for a reported USB-console regression in 4.18 which
revealed a long-standing bug in the console implementation.
The patch has been in linux-next over night with no reported issues.
Signed-off-by: Johan Hovold <johan@kernel.org>
* tag 'usb-serial-4.20-rc6' of https://git.kernel.org/pub/scm/linux/kernel/git/johan/usb-serial:
USB: serial: console: fix reported terminal settings
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The broken macros make the glibc compile error. If there is no
__NR3264_fstat*, we should also removed related definitions.
Reported-by: Marcin Juszkiewicz <marcin.juszkiewicz@linaro.org>
Fixes: bf4b6a7d371e ("y2038: Remove stat64 family from default syscall set")
[arnd: Both Marcin and Guo provided this patch to fix up my clearly
broken commit, I applied the version with the better changelog.]
Signed-off-by: Guo Ren <ren_guo@c-sky.com>
Signed-off-by: Mao Han <han_mao@c-sky.com>
Cc: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
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These convenience wrappers match the other _irq and _bh wrappers we
already have. It turns out I'd already open-coded xa_cmpxchg_irq()
in the shmem code, so convert that.
Signed-off-by: Matthew Wilcox <willy@infradead.org>
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If for some reason an association's fragmentation point is zero,
sctp_datamsg_from_user will try to endlessly try to divide a message
into zero-sized chunks. This eventually causes kernel panic due to
running out of memory.
Although this situation is quite unlikely, it has occurred before as
reported. I propose to add this simple last-ditch sanity check due to
the severity of the potential consequences.
Signed-off-by: Jakub Audykowicz <jakub.audykowicz@gmail.com>
Acked-by: Neil Horman <nhorman@tuxdriver.com>
Acked-by: Marcelo Ricardo Leitner <marcelo.leitner@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Alexei Starovoitov says:
====================
pull-request: bpf 2018-12-05
The following pull-request contains BPF updates for your *net* tree.
The main changes are:
1) fix bpf uapi pointers for 32-bit architectures, from Daniel.
2) improve verifer ability to handle progs with a lot of branches, from Alexei.
3) strict btf checks, from Yonghong.
4) bpf_sk_lookup api cleanup, from Joe.
5) other misc fixes
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
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This is a full revert of ac5b2c18911f ("mm: thp: relax __GFP_THISNODE for
MADV_HUGEPAGE mappings") and a partial revert of 89c83fb539f9 ("mm, thp:
consolidate THP gfp handling into alloc_hugepage_direct_gfpmask").
By not setting __GFP_THISNODE, applications can allocate remote hugepages
when the local node is fragmented or low on memory when either the thp
defrag setting is "always" or the vma has been madvised with
MADV_HUGEPAGE.
Remote access to hugepages often has much higher latency than local pages
of the native page size. On Haswell, ac5b2c18911f was shown to have a
13.9% access regression after this commit for binaries that remap their
text segment to be backed by transparent hugepages.
The intent of ac5b2c18911f is to address an issue where a local node is
low on memory or fragmented such that a hugepage cannot be allocated. In
every scenario where this was described as a fix, there is abundant and
unfragmented remote memory available to allocate from, even with a greater
access latency.
If remote memory is also low or fragmented, not setting __GFP_THISNODE was
also measured on Haswell to have a 40% regression in allocation latency.
Restore __GFP_THISNODE for thp allocations.
Fixes: ac5b2c18911f ("mm: thp: relax __GFP_THISNODE for MADV_HUGEPAGE mappings")
Fixes: 89c83fb539f9 ("mm, thp: consolidate THP gfp handling into alloc_hugepage_direct_gfpmask")
Cc: Andrea Arcangeli <aarcange@redhat.com>
Cc: Mel Gorman <mgorman@techsingularity.net>
Cc: Vlastimil Babka <vbabka@suse.cz>
Cc: Michal Hocko <mhocko@kernel.org>
Cc: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: David Rientjes <rientjes@google.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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When reading an extra descriptor, we need to properly check the minimum
and maximum size allowed, to prevent from invalid data being sent by a
device.
Reported-by: Hui Peng <benquike@gmail.com>
Reported-by: Mathias Payer <mathias.payer@nebelwelt.net>
Co-developed-by: Linus Torvalds <torvalds@linux-foundation.org>
Signed-off-by: Hui Peng <benquike@gmail.com>
Signed-off-by: Mathias Payer <mathias.payer@nebelwelt.net>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Cc: stable <stable@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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The MPEG2 state controls for the cedrus stateless MPEG2 driver are
not yet stable. Move them out of the public headers into media/mpeg2-ctrls.h.
Eventually, once this has stabilized, they will be moved back to the
public headers.
Unfortunately I had to cast the control type to a u32 in two switch
statements to prevent a compiler warning about a control type define
not being part of the enum.
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Reviewed-by: Paul Kocialkowski <paul.kocialkowski@bootlin.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
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The USB-serial console implementation has never reported the actual
terminal settings used. Despite storing the corresponding cflags in its
struct console, these were never honoured on later tty open() where the
tty termios would be left initialised to the driver defaults.
Unlike the serial console implementation, the USB-serial code calls
subdriver open() already at console setup. While calling set_termios()
and write() before open() looks like it could work for some USB-serial
drivers, others definitely do not expect this, so modelling this after
serial core is going to be intrusive, if at all possible.
Instead, use a (renamed) tty helper to save the termios data used at
console setup so that the tty termios reflects the actual terminal
settings after a subsequent tty open().
Note that the calls to tty_init_termios() (tty_driver_install()) and
tty_save_termios() are serialised using the disconnect mutex.
This specifically fixes a regression that was triggered by a recent
change adding software flow control to the pl2303 driver: a getty trying
to disable flow control while leaving the baud rate unchanged would now
also set the baud rate to the driver default (prior to the flow-control
change this had been a noop).
Fixes: 7041d9c3f01b ("USB: serial: pl2303: add support for tx xon/xoff flow control")
Cc: stable <stable@vger.kernel.org> # 4.18
Cc: Florian Zumbiehl <florz@florz.de>
Reported-by: Jarkko Nikula <jarkko.nikula@linux.intel.com>
Tested-by: Jarkko Nikula <jarkko.nikula@linux.intel.com>
Acked-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Johan Hovold <johan@kernel.org>
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Internal to dax_unlock_mapping_entry(), dax_unlock_entry() is used to
store a replacement entry in the Xarray at the given xas-index with the
DAX_LOCKED bit clear. When called, dax_unlock_entry() expects the unlocked
value of the entry relative to the current Xarray state to be specified.
In most contexts dax_unlock_entry() is operating in the same scope as
the matched dax_lock_entry(). However, in the dax_unlock_mapping_entry()
case the implementation needs to recall the original entry. In the case
where the original entry is a 'pmd' entry it is possible that the pfn
performed to do the lookup is misaligned to the value retrieved in the
Xarray.
Change the api to return the unlock cookie from dax_lock_page() and pass
it to dax_unlock_page(). This fixes a bug where dax_unlock_page() was
assuming that the page was PMD-aligned if the entry was a PMD entry with
signatures like:
WARNING: CPU: 38 PID: 1396 at fs/dax.c:340 dax_insert_entry+0x2b2/0x2d0
RIP: 0010:dax_insert_entry+0x2b2/0x2d0
[..]
Call Trace:
dax_iomap_pte_fault.isra.41+0x791/0xde0
ext4_dax_huge_fault+0x16f/0x1f0
? up_read+0x1c/0xa0
__do_fault+0x1f/0x160
__handle_mm_fault+0x1033/0x1490
handle_mm_fault+0x18b/0x3d0
Link: https://lkml.kernel.org/r/20181130154902.GL10377@bombadil.infradead.org
Fixes: 9f32d221301c ("dax: Convert dax_lock_mapping_entry to XArray")
Reported-by: Dan Williams <dan.j.williams@intel.com>
Signed-off-by: Matthew Wilcox <willy@infradead.org>
Tested-by: Dan Williams <dan.j.williams@intel.com>
Reviewed-by: Jan Kara <jack@suse.cz>
Signed-off-by: Dan Williams <dan.j.williams@intel.com>
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basechain->stats is rcu protected data which is updated from
nft_chain_stats_replace(). This function is executed from the commit
phase which holds the pernet nf_tables commit mutex - not the global
nfnetlink subsystem mutex.
Test commands to reproduce the problem are:
%iptables-nft -I INPUT
%iptables-nft -Z
%iptables-nft -Z
This patch uses RCU calls to handle basechain->stats updates to fix a
splat that looks like:
[89279.358755] =============================
[89279.363656] WARNING: suspicious RCU usage
[89279.368458] 4.20.0-rc2+ #44 Tainted: G W L
[89279.374661] -----------------------------
[89279.379542] net/netfilter/nf_tables_api.c:1404 suspicious rcu_dereference_protected() usage!
[...]
[89279.406556] 1 lock held by iptables-nft/5225:
[89279.411728] #0: 00000000bf45a000 (&net->nft.commit_mutex){+.+.}, at: nf_tables_valid_genid+0x1f/0x70 [nf_tables]
[89279.424022] stack backtrace:
[89279.429236] CPU: 0 PID: 5225 Comm: iptables-nft Tainted: G W L 4.20.0-rc2+ #44
[89279.430135] Call Trace:
[89279.430135] dump_stack+0xc9/0x16b
[89279.430135] ? show_regs_print_info+0x5/0x5
[89279.430135] ? lockdep_rcu_suspicious+0x117/0x160
[89279.430135] nft_chain_commit_update+0x4ea/0x640 [nf_tables]
[89279.430135] ? sched_clock_local+0xd4/0x140
[89279.430135] ? check_flags.part.35+0x440/0x440
[89279.430135] ? __rhashtable_remove_fast.constprop.67+0xec0/0xec0 [nf_tables]
[89279.430135] ? sched_clock_cpu+0x126/0x170
[89279.430135] ? find_held_lock+0x39/0x1c0
[89279.430135] ? hlock_class+0x140/0x140
[89279.430135] ? is_bpf_text_address+0x5/0xf0
[89279.430135] ? check_flags.part.35+0x440/0x440
[89279.430135] ? __lock_is_held+0xb4/0x140
[89279.430135] nf_tables_commit+0x2555/0x39c0 [nf_tables]
Fixes: f102d66b335a4 ("netfilter: nf_tables: use dedicated mutex to guard transactions")
Signed-off-by: Taehee Yoo <ap420073@gmail.com>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
|
Christoph Hellwig
Linus Torvalds
wenxu
Ingo Molnar
David S. Miller
Davide Caratti
Willem de Bruijn
Masahiro Yamada
Dmitry V. Levin
Robert P. J. Day
Dave Taht
Logan Gunthorpe
Atul Gupta
Jakub Kicinski
Vu Pham
Daniel Borkmann
David Rientjes
Martin K. Petersen
Stefano Brivio
Peter Hutterer
Greg Kroah-Hartman
Guo Ren
Matthew Wilcox
Jakub Audykowicz
Mathias Payer
Hans Verkuil
Johan Hovold
Taehee Yoo