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id_table is not modified, so make it const to allow the compiler to put
it in read-only memory.
Signed-off-by: Rikard Falkeborn <rikard.falkeborn@gmail.com>
Link: https://lore.kernel.org/r/20200911203509.26505-3-rikard.falkeborn@gmail.com
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Reviewed-by: David Hildenbrand <david@redhat.com>
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id_table is not modified, so make it const to allow the compiler to put
it in read-only memory.
Signed-off-by: Rikard Falkeborn <rikard.falkeborn@gmail.com>
Link: https://lore.kernel.org/r/20200911203509.26505-2-rikard.falkeborn@gmail.com
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Acked-by: David Hildenbrand <david@redhat.com>
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Set VIRTIO_NET_S_LINK_UP in config status to allow the get the bring the
net device's link up.
Fixes: 1a86b377aa21 ("vdpa/mlx5: Add VDPA driver for supported mlx5 devices")
Signed-off-by: Eli Cohen <elic@nvidia.com>
Link: https://lore.kernel.org/r/20200917121540.GA98184@mtl-vdi-166.wap.labs.mlnx
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Acked-by: Jason Wang <jasowang@redhat.com>
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Introduce a dedicated function to be used for setting 16 bit fields per
virio endianness requirements and use it to set the mtu field.
Signed-off-by: Eli Cohen <elic@nvidia.com>
Link: https://lore.kernel.org/r/20200917121425.GA98139@mtl-vdi-166.wap.labs.mlnx
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Acked-by: Jason Wang <jasowang@redhat.com>
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NFS_FS=y as dependency of CONFIG_NFSD_V4_2_INTER_SSC still have
build errors and some configs with NFSD=m to get NFS4ERR_STALE
error when doing inter server copy.
Added ops table in nfs_common for knfsd to access NFS client modules.
Fixes: 3ac3711adb88 ("NFSD: Fix NFS server build errors")
Signed-off-by: Dai Ngo <dai.ngo@oracle.com>
Signed-off-by: J. Bruce Fields <bfields@redhat.com>
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The "mmio" writes into vgpu registers are simple memory traps from the
guest into the host. We do not need to assert in the guest that the
device is awake for the io as we do not write to the device itself.
However, over time we have refactored all the mmio accessors with the
result that the vgpu reuses the gen2 accessors and so inherits the
assert for runtime-pm of the native device. The assert though has
actually been there since commit 3be0bf5acca6 ("drm/i915: Create vGPU
specific MMIO operations to reduce traps").
References: 3be0bf5acca6 ("drm/i915: Create vGPU specific MMIO operations to reduce traps")
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Yan Zhao <yan.y.zhao@intel.com>
Cc: Zhenyu Wang <zhenyuw@linux.intel.com>
Reviewed-by: Zhenyu Wang <zhenyuw@linux.intel.com>
Cc: stable@vger.kernel.org
Link: https://patchwork.freedesktop.org/patch/msgid/20200811092532.13753-1-chris@chris-wilson.co.uk
(cherry picked from commit 0e65ce24a33c1d37da4bf43c34e080334ec6cb60)
Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
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If i915.ko is being used as a passthrough device, it does not know if
the host is using intel_iommu. Mixing the iommu and gfx causes a few
issues (such as scanout overfetch) which we need to workaround inside
the driver, so if we detect we are running under a hypervisor, also
assume the device access is being virtualised.
Reported-by: Stefan Fritsch <sf@sfritsch.de>
Suggested-by: Stefan Fritsch <sf@sfritsch.de>
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Zhenyu Wang <zhenyuw@linux.intel.com>
Cc: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>
Cc: Stefan Fritsch <sf@sfritsch.de>
Cc: stable@vger.kernel.org
Tested-by: Stefan Fritsch <sf@sfritsch.de>
Reviewed-by: Zhenyu Wang <zhenyuw@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20201019101523.4145-1-chris@chris-wilson.co.uk
(cherry picked from commit f566fdcd6cc49a9d5b5d782f56e3e7cb243f01b8)
Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
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The GPU is trashing the low pages of its reserved memory upon reset. If
we are using this memory for ringbuffers, then we will dutiful resubmit
the trashed rings after the reset causing further resets, and worse. We
must exclude this range from our own use. The value of 128KiB was found
by empirical measurement (and verified now with a selftest) on gen9.
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Cc: stable@vger.kernel.org
Reviewed-by: Mika Kuoppala <mika.kuoppala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20201019165005.18128-2-chris@chris-wilson.co.uk
(cherry picked from commit d3606757e611fbd48bb239e8c2fe9779b3f50035)
Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
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In switching to using objects for our ppGTT scratch pages, care was not
taken to avoid trying to unref NULL objects on failure. And for gen6
ppGTT, it appears we forgot entirely to unwind after a partial allocation
failure.
Fixes: 89351925a477 ("drm/i915/gt: Switch to object allocations for page directories")
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Matthew Auld <matthew.auld@intel.com>
Cc: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>
Reviewed-by: Matthew Auld <matthew.auld@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20201019083444.1286-1-chris@chris-wilson.co.uk
(cherry picked from commit fa812ce96a46efc27cae4dcad866aaee9cb25d28)
Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
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Commit 14e710fe7897 ("xen-blkfront: rename indirect descriptor
parameter") changed the name of the module parameter for the maximum
amount of segments in indirect requests but missed updating the
document. This commit updates the document.
Signed-off-by: SeongJae Park <sjpark@amazon.de>
Reviewed-by: Juergen Gross <jgross@suse.com>
Acked-by: Roger Pau Monné <roger.pau@citrix.com>
Link: https://lore.kernel.org/r/20200923061841.20531-4-sjpark@amazon.com
Signed-off-by: Boris Ostrovsky <boris.ostrovsky@oracle.com>
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Persistent grants feature provides high scalability. On some small
systems, however, it could incur data copy overheads[1] and thus it is
required to be disabled. It can be disabled from blkback side using a
module parameter, 'feature_persistent'. But, it is impossible from
blkfront side. For the reason, this commit adds a blkfront module
parameter for disabling of the feature.
[1] https://wiki.xen.org/wiki/Xen_4.3_Block_Protocol_Scalability
Signed-off-by: SeongJae Park <sjpark@amazon.de>
Reviewed-by: Juergen Gross <jgross@suse.com>
Acked-by: Roger Pau Monné <roger.pau@citrix.com>
Link: https://lore.kernel.org/r/20200923061841.20531-3-sjpark@amazon.com
Signed-off-by: Boris Ostrovsky <boris.ostrovsky@oracle.com>
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Persistent grants feature provides high scalability. On some small
systems, however, it could incur data copy overheads[1] and thus it is
required to be disabled. But, there is no option to disable it. For
the reason, this commit adds a module parameter for disabling of the
feature.
[1] https://wiki.xen.org/wiki/Xen_4.3_Block_Protocol_Scalability
Signed-off-by: Anthony Liguori <aliguori@amazon.com>
Signed-off-by: SeongJae Park <sjpark@amazon.de>
Reviewed-by: Juergen Gross <jgross@suse.com>
Acked-by: Roger Pau Monné <roger.pau@citrix.com>
Link: https://lore.kernel.org/r/20200923061841.20531-2-sjpark@amazon.com
Signed-off-by: Boris Ostrovsky <boris.ostrovsky@oracle.com>
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The function detect_harden_bp_fw() is gone after commit d4647f0a2ad7
("arm64: Rewrite Spectre-v2 mitigation code"). Update this comment to
reflect the new state of affairs.
Fixes: d4647f0a2ad7 ("arm64: Rewrite Spectre-v2 mitigation code")
Signed-off-by: Stephen Boyd <swboyd@chromium.org>
Cc: Marc Zyngier <maz@kernel.org>
Link: https://lore.kernel.org/r/20201020214544.3206838-3-swboyd@chromium.org
Signed-off-by: Will Deacon <will@kernel.org>
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efx_probe_filters() has not been called yet when EF100 calls into
efx_mcdi_filter_table_probe(), for which it wants to take the
filter_sem.
Fixes: a9dc3d5612ce ("sfc_ef100: RX filter table management and related gubbins")
Signed-off-by: Edward Cree <ecree@solarflare.com>
Link: https://lore.kernel.org/r/24fad43e-887d-051e-25e3-506f23f63abf@solarflare.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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mpls_iptunnel is used only for mpls encapsuation, and if encaplusated
packet is larger than MTU we need mpls_gso for segmentation.
Signed-off-by: Alexander Ovechkin <ovov@yandex-team.ru>
Acked-by: Dmitry Yakunin <zeil@yandex-team.ru>
Reviewed-by: David Ahern <dsahern@gmail.com>
Link: https://lore.kernel.org/r/20201020114333.26866-1-ovov@yandex-team.ru
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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the following command
# tc action add action tunnel_key \
> set src_ip 2001:db8::1 dst_ip 2001:db8::2 id 10 erspan_opts 1:6789:0:0
generates the following splat:
BUG: KASAN: slab-out-of-bounds in tunnel_key_copy_opts+0xcc9/0x1010 [act_tunnel_key]
Write of size 4 at addr ffff88813f5f1cc8 by task tc/873
CPU: 2 PID: 873 Comm: tc Not tainted 5.9.0+ #282
Hardware name: Red Hat KVM, BIOS 1.11.1-4.module+el8.1.0+4066+0f1aadab 04/01/2014
Call Trace:
dump_stack+0x99/0xcb
print_address_description.constprop.7+0x1e/0x230
kasan_report.cold.13+0x37/0x7c
tunnel_key_copy_opts+0xcc9/0x1010 [act_tunnel_key]
tunnel_key_init+0x160c/0x1f40 [act_tunnel_key]
tcf_action_init_1+0x5b5/0x850
tcf_action_init+0x15d/0x370
tcf_action_add+0xd9/0x2f0
tc_ctl_action+0x29b/0x3a0
rtnetlink_rcv_msg+0x341/0x8d0
netlink_rcv_skb+0x120/0x380
netlink_unicast+0x439/0x630
netlink_sendmsg+0x719/0xbf0
sock_sendmsg+0xe2/0x110
____sys_sendmsg+0x5ba/0x890
___sys_sendmsg+0xe9/0x160
__sys_sendmsg+0xd3/0x170
do_syscall_64+0x33/0x40
entry_SYSCALL_64_after_hwframe+0x44/0xa9
RIP: 0033:0x7f872a96b338
Code: 89 02 48 c7 c0 ff ff ff ff eb b5 0f 1f 80 00 00 00 00 f3 0f 1e fa 48 8d 05 25 43 2c 00 8b 00 85 c0 75 17 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 58 c3 0f 1f 80 00 00 00 00 41 54 41 89 d4 55
RSP: 002b:00007ffffe367518 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
RAX: ffffffffffffffda RBX: 000000005f8f5aed RCX: 00007f872a96b338
RDX: 0000000000000000 RSI: 00007ffffe367580 RDI: 0000000000000003
RBP: 0000000000000000 R08: 0000000000000001 R09: 000000000000001c
R10: 000000000000000b R11: 0000000000000246 R12: 0000000000000001
R13: 0000000000686760 R14: 0000000000000601 R15: 0000000000000000
Allocated by task 873:
kasan_save_stack+0x19/0x40
__kasan_kmalloc.constprop.7+0xc1/0xd0
__kmalloc+0x151/0x310
metadata_dst_alloc+0x20/0x40
tunnel_key_init+0xfff/0x1f40 [act_tunnel_key]
tcf_action_init_1+0x5b5/0x850
tcf_action_init+0x15d/0x370
tcf_action_add+0xd9/0x2f0
tc_ctl_action+0x29b/0x3a0
rtnetlink_rcv_msg+0x341/0x8d0
netlink_rcv_skb+0x120/0x380
netlink_unicast+0x439/0x630
netlink_sendmsg+0x719/0xbf0
sock_sendmsg+0xe2/0x110
____sys_sendmsg+0x5ba/0x890
___sys_sendmsg+0xe9/0x160
__sys_sendmsg+0xd3/0x170
do_syscall_64+0x33/0x40
entry_SYSCALL_64_after_hwframe+0x44/0xa9
The buggy address belongs to the object at ffff88813f5f1c00
which belongs to the cache kmalloc-256 of size 256
The buggy address is located 200 bytes inside of
256-byte region [ffff88813f5f1c00, ffff88813f5f1d00)
The buggy address belongs to the page:
page:0000000011b48a19 refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x13f5f0
head:0000000011b48a19 order:1 compound_mapcount:0
flags: 0x17ffffc0010200(slab|head)
raw: 0017ffffc0010200 0000000000000000 0000000d00000001 ffff888107c43400
raw: 0000000000000000 0000000080100010 00000001ffffffff 0000000000000000
page dumped because: kasan: bad access detected
Memory state around the buggy address:
ffff88813f5f1b80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
ffff88813f5f1c00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
>ffff88813f5f1c80: 00 00 00 00 00 00 00 00 00 fc fc fc fc fc fc fc
^
ffff88813f5f1d00: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
ffff88813f5f1d80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
using IPv6 tunnels, act_tunnel_key allocates a fixed amount of memory for
the tunnel metadata, but then it expects additional bytes to store tunnel
specific metadata with tunnel_key_copy_opts().
Fix the arguments of __ipv6_tun_set_dst(), so that 'md_size' contains the
size previously computed by tunnel_key_get_opts_len(), like it's done for
IPv4 tunnels.
Fixes: 0ed5269f9e41 ("net/sched: add tunnel option support to act_tunnel_key")
Reported-by: Shuang Li <shuali@redhat.com>
Signed-off-by: Davide Caratti <dcaratti@redhat.com>
Acked-by: Cong Wang <xiyou.wangcong@gmail.com>
Link: https://lore.kernel.org/r/36ebe969f6d13ff59912d6464a4356fe6f103766.1603231100.git.dcaratti@redhat.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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We need to jump to the "err_out_locked" label when
tcf_gate_get_entries() fails. Otherwise, tc_setup_flow_action() exits
with ->tcfa_lock still held.
Fixes: d29bdd69ecdd ("net: schedule: add action gate offloading")
Signed-off-by: Guillaume Nault <gnault@redhat.com>
Acked-by: Cong Wang <xiyou.wangcong@gmail.com>
Link: https://lore.kernel.org/r/12f60e385584c52c22863701c0185e40ab08a7a7.1603207948.git.gnault@redhat.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Don't populate the const array rate_table on the stack but instead it
static. Makes the object code smaller by 46 bytes.
Before:
text data bss dec hex filename
29812 3824 192 33828 8424 drivers/net/dsa/bcm_sf2.o
After:
text data bss dec hex filename
29670 3920 192 33782 83f6 drivers/net/dsa/bcm_sf2.o
(gcc version 10.2.0)
Signed-off-by: Colin Ian King <colin.king@canonical.com>
Acked-by: Florian Fainelli <f.fainelli@gmail.com>
Link: https://lore.kernel.org/r/20201020165029.56383-1-colin.king@canonical.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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MPTCP_IPV6 selects IPV6, thus enabling an optional feature the user may
not want to enable. Fix this by making MPTCP_IPV6 depend on IPV6, like
is done for all other IPv6 features.
Fixes: f870fa0b5768842c ("mptcp: Add MPTCP socket stubs")
Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
Reviewed-by: Matthieu Baerts <matthieu.baerts@tessares.net>
Link: https://lore.kernel.org/r/20201020073839.29226-1-geert@linux-m68k.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Fix build errors when TLS=m, TLS_TOE=y, and CRYPTO_DEV_CHELSIO_TLS=y.
Having (tristate) CRYPTO_DEV_CHELSIO_TLS depend on (bool) TLS_TOE
is not strong enough to prevent the bad combination of TLS=m and
CRYPTO_DEV_CHELSIO_TLS=y, so add a dependency on TLS to prevent the
problematic kconfig combination.
Fixes these build errors:
hppa-linux-ld: drivers/net/ethernet/chelsio/inline_crypto/chtls/chtls_main.o: in function `chtls_free_uld':
drivers/net/ethernet/chelsio/inline_crypto/chtls/chtls_main.c:165: undefined reference to `tls_toe_unregister_device'
hppa-linux-ld: drivers/net/ethernet/chelsio/inline_crypto/chtls/chtls_main.o: in function `chtls_register_dev':
drivers/net/ethernet/chelsio/inline_crypto/chtls/chtls_main.c:204: undefined reference to `tls_toe_register_device'
Fixes: 53b4414a7003 ("net/tls: allow compiling TLS TOE out")
Reported-by: kernel test robot <lkp@intel.com>
Signed-off-by: Randy Dunlap <rdunlap@infradead.org>
Link: https://lore.kernel.org/r/20201019181059.22634-1-rdunlap@infradead.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Vinay Kumar Yadav says:
====================
chelsio/chtls: Fix inline tls bugs
This series of patches fix following bugs in chelsio inline tls driver.
Patch1: Fix incorrect socket lock.
Patch2: correct netdevice for vlan interface.
Patch3: Fix panic when server is listening on ipv6.
Patch4: Fix panic when listen on multiadapter.
Patch5: correct function return and return type.
Patch6: Fix writing freed memory.
====================
Link: https://lore.kernel.org/r/20201019115025.24233-1-vinay.yadav@chelsio.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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When chtls_sock *csk is freed, same memory can be allocated
to different csk in chtls_sock_create().
csk->cdev = NULL; statement might ends up modifying wrong
csk, eventually causing kernel panic.
removing (csk->cdev = NULL) statement as it is not required.
Fixes: 3a0a97838923 ("crypto/chtls: Fix chtls crash in connection cleanup")
Signed-off-by: Vinay Kumar Yadav <vinay.yadav@chelsio.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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csk_mem_free() should return true if send buffer is available,
false otherwise.
Fixes: 3b8305f5c844 ("crypto: chtls - wait for memory sendmsg, sendpage")
Signed-off-by: Vinay Kumar Yadav <vinay.yadav@chelsio.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Add the logic to compare net_device returned by ip_dev_find()
with the net_device list in cdev->ports[] array and return
net_device if matched else NULL.
Fixes: 6abde0b24122 ("crypto/chtls: IPv6 support for inline TLS")
Signed-off-by: Venkatesh Ellapu <venkatesh.e@chelsio.com>
Signed-off-by: Vinay Kumar Yadav <vinay.yadav@chelsio.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Netdev is filled in egress_dev when connection is established,
If connection is closed before establishment, then egress_dev
is NULL, Fix it using ip_dev_find() rather then extracting from
egress_dev.
Fixes: 6abde0b24122 ("crypto/chtls: IPv6 support for inline TLS")
Signed-off-by: Venkatesh Ellapu <venkatesh.e@chelsio.com>
Signed-off-by: Vinay Kumar Yadav <vinay.yadav@chelsio.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Check if netdevice is a vlan interface and find real vlan netdevice.
Fixes: cc35c88ae4db ("crypto : chtls - CPL handler definition")
Signed-off-by: Venkatesh Ellapu <venkatesh.e@chelsio.com>
Signed-off-by: Vinay Kumar Yadav <vinay.yadav@chelsio.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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In chtls_sendpage() socket lock is released but not acquired,
fix it by taking lock.
Fixes: 36bedb3f2e5b ("crypto: chtls - Inline TLS record Tx")
Signed-off-by: Vinay Kumar Yadav <vinay.yadav@chelsio.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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nfc_genl_fw_download()
Check that the NFC_ATTR_FIRMWARE_NAME attributes are provided by
the netlink client prior to accessing them.This prevents potential
unhandled NULL pointer dereference exceptions which can be triggered
by malicious user-mode programs, if they omit one or both of these
attributes.
Similar to commit a0323b979f81 ("nfc: Ensure presence of required attributes in the activate_target handler").
Fixes: 9674da8759df ("NFC: Add firmware upload netlink command")
Signed-off-by: Defang Bo <bodefang@126.com>
Link: https://lore.kernel.org/r/1603107538-4744-1-git-send-email-bodefang@126.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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MPTCP_KUNIT_TESTS selects MPTCP, thus enabling an optional feature the
user may not want to enable. Fix this by making the test depend on
MPTCP instead.
Fixes: a00a582203dbc43e ("mptcp: move crypto test to KUNIT")
Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
Reviewed-by: Matthieu Baerts <matthieu.baerts@tessares.net>
Link: https://lore.kernel.org/r/20201019113240.11516-1-geert@linux-m68k.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Geliang Tang says:
====================
init ahmac and port of mptcp_options_received
This patchset deals with initializations of mptcp_options_received's two
fields, ahmac and port.
====================
Link: https://lore.kernel.org/r/cover.1603102503.git.geliangtang@gmail.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Move mptcp_options_received's port initialization from
mptcp_parse_option to mptcp_get_options, put it together with
the other fields initializations of mptcp_options_received.
Signed-off-by: Geliang Tang <geliangtang@gmail.com>
Reviewed-by: Matthieu Baerts <matthieu.baerts@tessares.net>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Initialize mptcp_options_received's ahmac to zero, otherwise it
will be a random number when receiving ADD_ADDR suboption with echo-flag=1.
Fixes: 3df523ab582c5 ("mptcp: Add ADD_ADDR handling")
Signed-off-by: Geliang Tang <geliangtang@gmail.com>
Reviewed-by: Matthieu Baerts <matthieu.baerts@tessares.net>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Need to use the udp header type and not tcp.
Fixes: 9c26ba9b1f45 ("net/sched: act_ct: Instantiate flow table entry actions")
Signed-off-by: Roi Dayan <roid@nvidia.com>
Reviewed-by: Paul Blakey <paulb@nvidia.com>
Link: https://lore.kernel.org/r/20201019090244.3015186-1-roid@nvidia.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Since commit bbc4d71d63549bc ("net: phy: realtek: fix rtl8211e rx/tx
delay config"), the Realtek PHY driver will override any TX/RX delay
set by hardware straps if the phy-mode device property does not match.
This is causing problems on SynQuacer based platforms (the only SoC
that incorporates the netsec hardware), since many were built with
this Realtek PHY, and shipped with firmware that defines the phy-mode
as 'rgmii', even though the PHY is configured for TX and RX delay using
pull-ups.
From the driver's perspective, we should not make any assumptions in
the general case that the PHY hardware does not require any initial
configuration. However, the situation is slightly different for ACPI
boot, since it implies rich firmware with AML abstractions to handle
hardware details that are not exposed to the OS. So in the ACPI case,
it is reasonable to assume that the PHY comes up in the right mode,
regardless of whether the mode is set by straps, by boot time firmware
or by AML executed by the ACPI interpreter.
So let's ignore the 'phy-mode' device property when probing the netsec
driver in ACPI mode, and hardcode the mode to PHY_INTERFACE_MODE_NA,
which should work with any PHY provided that it is configured by the
time the driver attaches to it. While at it, document that omitting
the mode is permitted for DT probing as well, by setting the phy-mode
DT property to the empty string.
Fixes: 533dd11a12f6 ("net: socionext: Add Synquacer NetSec driver")
Signed-off-by: Ard Biesheuvel <ardb@kernel.org>
Reviewed-by: Ilias Apalodimas <ilias.apalodimas@linaro.org>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Link: https://lore.kernel.org/r/20201018163625.2392-1-ardb@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Follow-up on ebb034b15bfa ("bpf: Migrate from patchwork.ozlabs.org
to patchwork.kernel.org.") in order to fix up the patchwork URL (Q)
in the MAINTAINERS file for BPF subsystem.
While at it, also add the official website (W) entry.
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
Link: https://lore.kernel.org/bpf/f73ae01c7e6f9cf0a3890f2ca988a8e69190c50b.1603223852.git.daniel@iogearbox.net
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This one was missed in the earlier conversion, should be included like
any of the other IO identity flags. Make sure we restore to RLIM_INIFITY
when dropping the personality again.
Fixes: 98447d65b4a7 ("io_uring: move io identity items into separate struct")
Signed-off-by: Jens Axboe <axboe@kernel.dk>
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Pull XArray updates from Matthew Wilcox:
- Fix the test suite after introduction of the local_lock
- Fix a bug in the IDA spotted by Coverity
- Change the API that allows the workingset code to delete a node
- Fix xas_reload() when dealing with entries that occupy multiple
indices
- Add a few more tests to the test suite
- Fix an unsigned int being shifted into an unsigned long
* tag 'xarray-5.9' of git://git.infradead.org/users/willy/xarray:
XArray: Fix xas_create_range for ranges above 4 billion
radix-tree: fix the comment of radix_tree_next_slot()
XArray: Fix xas_reload for multi-index entries
XArray: Add private interface for workingset node deletion
XArray: Fix xas_for_each_conflict documentation
XArray: Test marked multiorder iterations
XArray: Test two more things about xa_cmpxchg
ida: Free allocated bitmap in error path
radix tree test suite: Fix compilation
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And read these in __get_log_header() from the log header.
Also make gfs2_statfs_change_out() non-static so it can be used
outside of super.c
Signed-off-by: Abhi Das <adas@redhat.com>
Signed-off-by: Andreas Gruenbacher <agruenba@redhat.com>
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Once a withdraw has occurred, ignore errors that are the consequence of the
withdraw.
Signed-off-by: Andreas Gruenbacher <agruenba@redhat.com>
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The gfs2_glock structure has a gl_vm member, introduced in commit 7005c3e4ae428
("GFS2: Use range based functions for rgrp sync/invalidation"), which stores
the location of resource groups within their address space. This structure is
in a union with iopen glock specific fields. It was introduced because at
unmount time, the resource group objects were destroyed before flushing out any
pending resource group glock work, and flushing out such work could require
flushing / truncating the address space.
Since commit b3422cacdd7e6 ("gfs2: Rework how rgrp buffer_heads are managed"),
any pending resource group glock work is flushed out before destroying the
resource group objects. So the resource group objects will now always exist in
rgrp_go_sync and rgrp_go_inval, and we now simply compute the gl_vm values
where needed instead of caching them. This also eliminates the union.
Signed-off-by: Bob Peterson <rpeterso@redhat.com>
Signed-off-by: Andreas Gruenbacher <agruenba@redhat.com>
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Only initialize gl_delete for iopen glocks, but more importantly, only access
it for iopen glocks in flush_delete_work: flush_delete_work is called for
different types of glocks including rgrp glocks, and those use gl_vm which is
in a union with gl_delete. Without this fix, we'll end up clobbering gl_vm,
which results in general memory corruption.
Fixes: a0e3cc65fa29 ("gfs2: Turn gl_delete into a delayed work")
Cc: stable@vger.kernel.org # v5.8+
Signed-off-by: Bob Peterson <rpeterso@redhat.com>
Signed-off-by: Andreas Gruenbacher <agruenba@redhat.com>
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The comments before function glock_hash_walk had the wrong name and
an extra parameter. This simply fixes the comments.
Signed-off-by: Bob Peterson <rpeterso@redhat.com>
Signed-off-by: Andreas Gruenbacher <agruenba@redhat.com>
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This was adding size to start, but pfn and start are in pages,
so it should be using num_pages.
Not sure this fixes anything in the real world, just noticed it
during refactoring.
Signed-off-by: Dave Airlie <airlied@redhat.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
Cc: stable@vger.kernel.org
Link: https://patchwork.freedesktop.org/patch/msgid/20201019222257.1684769-2-airlied@gmail.com
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git://anongit.freedesktop.org/drm/drm-misc into drm-next
Two patches to prevent out-of-bands accesses on fonts buffers
Signed-off-by: Dave Airlie <airlied@redhat.com>
From: Maxime Ripard <maxime@cerno.tech>
Link: https://patchwork.freedesktop.org/patch/msgid/20201020141445.4jisqylfbusdnzge@gilmour
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Pull NFS client updates from Anna Schumaker:
"Stable Fixes:
- Wait for stateid updates after CLOSE/OPEN_DOWNGRADE # v5.4+
- Fix nfs_path in case of a rename retry
- Support EXCHID4_FLAG_SUPP_FENCE_OPS v4.2 EXCHANGE_ID flag
New features and improvements:
- Replace dprintk() calls with tracepoints
- Make cache consistency bitmap dynamic
- Added support for the NFS v4.2 READ_PLUS operation
- Improvements to net namespace uniquifier
Other bugfixes and cleanups:
- Remove redundant clnt pointer
- Don't update timeout values on connection resets
- Remove redundant tracepoints
- Various cleanups to comments
- Fix oops when trying to use copy_file_range with v4.0 source server
- Improvements to flexfiles mirrors
- Add missing 'local_lock=posix' mount option"
* tag 'nfs-for-5.10-1' of git://git.linux-nfs.org/projects/anna/linux-nfs: (55 commits)
NFSv4.2: support EXCHGID4_FLAG_SUPP_FENCE_OPS 4.2 EXCHANGE_ID flag
NFSv4: Fix up RCU annotations for struct nfs_netns_client
NFS: Only reference user namespace from nfs4idmap struct instead of cred
nfs: add missing "posix" local_lock constant table definition
NFSv4: Use the net namespace uniquifier if it is set
NFSv4: Clean up initialisation of uniquified client id strings
NFS: Decode a full READ_PLUS reply
SUNRPC: Add an xdr_align_data() function
NFS: Add READ_PLUS hole segment decoding
SUNRPC: Add the ability to expand holes in data pages
SUNRPC: Split out _shift_data_right_tail()
SUNRPC: Split out xdr_realign_pages() from xdr_align_pages()
NFS: Add READ_PLUS data segment support
NFS: Use xdr_page_pos() in NFSv4 decode_getacl()
SUNRPC: Implement a xdr_page_pos() function
SUNRPC: Split out a function for setting current page
NFS: fix nfs_path in case of a rename retry
fs: nfs: return per memcg count for xattr shrinkers
NFSv4: Wait for stateid updates after CLOSE/OPEN_DOWNGRADE
nfs: remove incorrect fallthrough label
...
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Pull io_uring updates from Jens Axboe:
"A mix of fixes and a few stragglers. In detail:
- Revert the bogus __read_mostly that we discussed for the initial
pull request.
- Fix a merge window regression with fixed file registration error
path handling.
- Fix io-wq numa node affinities.
- Series abstracting out an io_identity struct, making it both easier
to see what the personality items are, and also easier to to adopt
more. Use this to cover audit logging.
- Fix for read-ahead disabled block condition in async buffered
reads, and using single page read-ahead to unify what
generic_file_buffer_read() path is used.
- Series for REQ_F_COMP_LOCKED fix and removal of it (Pavel)
- Poll fix (Pavel)"
* tag 'io_uring-5.10-2020-10-20' of git://git.kernel.dk/linux-block: (21 commits)
io_uring: use blk_queue_nowait() to check if NOWAIT supported
mm: use limited read-ahead to satisfy read
mm: mark async iocb read as NOWAIT once some data has been copied
io_uring: fix double poll mask init
io-wq: inherit audit loginuid and sessionid
io_uring: use percpu counters to track inflight requests
io_uring: assign new io_identity for task if members have changed
io_uring: store io_identity in io_uring_task
io_uring: COW io_identity on mismatch
io_uring: move io identity items into separate struct
io_uring: rely solely on work flags to determine personality.
io_uring: pass required context in as flags
io-wq: assign NUMA node locality if appropriate
io_uring: fix error path cleanup in io_sqe_files_register()
Revert "io_uring: mark io_uring_fops/io_op_defs as __read_mostly"
io_uring: fix REQ_F_COMP_LOCKED by killing it
io_uring: dig out COMP_LOCK from deep call chain
io_uring: don't put a poll req under spinlock
io_uring: don't unnecessarily clear F_LINK_TIMEOUT
io_uring: don't set COMP_LOCKED if won't put
...
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Move the IRQ allocation and SRCU initialization code to a new helper. No
functional changes.
Link: https://lore.kernel.org/r/20200728194945.14126-5-jonathan.derrick@intel.com
Signed-off-by: Jon Derrick <jonathan.derrick@intel.com>
Signed-off-by: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Reviewed-by: Andy Shevchenko <andriy.shevchenko@intel.com>
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Move the IRQ and MSI Domain configuration code to new helpers. No
functional changes.
Link: https://lore.kernel.org/r/20200728194945.14126-4-jonathan.derrick@intel.com
Signed-off-by: Jon Derrick <jonathan.derrick@intel.com>
Signed-off-by: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Reviewed-by: Andy Shevchenko <andriy.shevchenko@intel.com>
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Move the bus offset configuration discovery code to a new helper. Modify
the bus offset 2-bit decode switch to have a 0 case and a default error
case, just in case the field is expanded in future hardware.
Link: https://lore.kernel.org/r/20200728194945.14126-3-jonathan.derrick@intel.com
Signed-off-by: Jon Derrick <jonathan.derrick@intel.com>
Signed-off-by: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Reviewed-by: Andy Shevchenko <andriy.shevchenko@intel.com>
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Move the guest-passthrough physical offset discovery code to a new helper.
No functional changes.
Link: https://lore.kernel.org/r/20200728194945.14126-2-jonathan.derrick@intel.com
Signed-off-by: Jon Derrick <jonathan.derrick@intel.com>
Signed-off-by: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Reviewed-by: Andy Shevchenko <andriy.shevchenko@intel.com>
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