This patch disables PTP on AQC111 and AQC112 due to a known HW issue,
which can cause datapath issues.
Ideally PTP block should have been disabled via PHY provisioning, but
unfortunately many units have been shipped with enabled PTP block.
Thus, we have to work around this in the driver.
Fixes: dbcd6806af ("net: aquantia: add support for Phy access")
Signed-off-by: Nikita Danilov <ndanilov@marvell.com>
Signed-off-by: Mark Starovoytov <mstarovoitov@marvell.com>
Signed-off-by: Igor Russkikh <irusskikh@marvell.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
When nfc_register_device fails in nci_register_device,
destroy_workqueue() shouled be called to destroy ndev->tx_wq.
Fixes: 3c1c0f5dc8 ("NFC: NCI: Fix nci_register_device init sequence")
Reported-by: Hulk Robot <hulkci@huawei.com>
Signed-off-by: Wang Hai <wanghai38@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Doug Berger says:
====================
net: bcmgenet: fix WAKE_FILTER resume from deep sleep
The WAKE_FILTER logic can only wake the system from the standby
power state. However, some systems that include the GENET IP
support deeper power saving states and the driver should suspend
and resume correctly from those states as well.
This commit set squashes a few issues uncovered while testing
suspend and resume from these deep sleep states.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
The Hardware Filter Block RAM may not be preserved when the GENET
block is reset during a deep sleep, so it is not sufficient to
only backup and restore the enables.
This commit clears out the HFB block and reprograms the rxnfc
rules when the system resumes from a suspended state. To support
this the bcmgenet_hfb_create_rxnfc_filter() function is modified
to access the register space directly so that it can't fail due
to memory allocation issues.
Fixes: f50932cca6 ("net: bcmgenet: add WAKE_FILTER support")
Signed-off-by: Doug Berger <opendmb@gmail.com>
Acked-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
When the GENET driver resumes from deep sleep the UMAC_CMD
register may not be accessible and therefore should not be
accessed from bcmgenet_wol_power_up_cfg() if the GENET has
been reset.
This commit adds a check of the RBUF_ACPI_EN flag when Wake
on Filter is enabled. A clear flag indicates that the GENET
hardware must have been reset so the remainder of the
hardware programming is bypassed.
Fixes: f50932cca6 ("net: bcmgenet: add WAKE_FILTER support")
Signed-off-by: Doug Berger <opendmb@gmail.com>
Acked-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
When the GENET driver resumes from deep sleep the UMAC_CMD
register may not be accessible and therefore should not be
accessed from bcmgenet_wol_power_up_cfg() if the GENET has
been reset.
This commit adds a check of the MPD_EN flag when Wake on
Magic Packet is enabled. A clear flag indicates that the
GENET hardware must have been reset so the remainder of the
hardware programming is bypassed.
Fixes: 1a1d5106c1 ("net: bcmgenet: move clk_wol management to bcmgenet_wol")
Signed-off-by: Doug Berger <opendmb@gmail.com>
Acked-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
If try_toggle_control_gpio() failed in smc_drv_probe(), free_netdev(ndev)
should be called to free the ndev created earlier. Otherwise, a memleak
will occur.
Fixes: 7d2911c438 ("net: smc91x: Fix gpios for device tree based booting")
Reported-by: Hulk Robot <hulkci@huawei.com>
Signed-off-by: Wang Hai <wanghai38@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Add below to “Ancillary clock features” section
- Low Pass Filter (LPF) access from user space
Add below to list of “Supported hardware” section
+ Renesas (IDT) ClockMatrix™
Signed-off-by: Min Li <min.li.xe@renesas.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
From Documentation/networking/timestamping.txt:
A driver which supports hardware time stamping shall update the
struct with the actual, possibly more permissive configuration.
Do update the struct passed when we upscale the requested time
stamping mode.
Fixes: cb646e2b02 ("ptp: Added a clock driver for the National Semiconductor PHYTER.")
Signed-off-by: Sergey Organov <sorganov@gmail.com>
Acked-by: Richard Cochran <richardcochran@gmail.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Fix support for external PTP-aware devices such as DSA or PTP PHY:
Make sure we never time stamp tx packets when hardware time stamping
is disabled.
Check for PTP PHY being in use and then pass ioctls related to time
stamping of Ethernet packets to the PTP PHY rather than handle them
ourselves. In addition, disable our own hardware time stamping in this
case.
Fixes: 6605b730c0 ("FEC: Add time stamping code and a PTP hardware clock")
Signed-off-by: Sergey Organov <sorganov@gmail.com>
Acked-by: Richard Cochran <richardcochran@gmail.com>
Acked-by: Vladimir Oltean <olteanv@gmail.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
If ax88172a_unbind() fails, make sure that the return code is
less than zero so that cleanup is done properly and avoid UAF.
Fixes: a9a51bd727 ("ax88172a: fix information leak on short answers")
Signed-off-by: George Kennedy <george.kennedy@oracle.com>
Reported-by: syzbot+4cd84f527bf4a10fc9c1@syzkaller.appspotmail.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
The fsl_mc_get_endpoint() function can return an error or directly a
NULL pointer in case the peer device is not under the root DPRC
container. Treat this case also, otherwise it would lead to a NULL
pointer when trying to access the peer fsl_mc_device.
Fixes: 7194792308 ("dpaa2-eth: add MAC/PHY support through phylink")
Signed-off-by: Ioana Ciornei <ioana.ciornei@nxp.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
This is likely firmware causing this but its starting to annoy customers.
Change the message level to verbose to prevent the spam.
Note that this seems to only show up with ISCSI enabled on the HBA via the
qedi driver.
Signed-off-by: Laurence Oberman <loberman@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
During setup():
...
for ns in h0 r1 h1 h2 h3
do
create_ns ${ns}
done
...
while in cleanup():
...
for n in h1 r1 h2 h3 h4
do
ip netns del ${n} 2>/dev/null
done
...
and after removing the stderr redirection in cleanup():
$ sudo ./fib_nexthop_multiprefix.sh
...
TEST: IPv4: host 0 to host 3, mtu 1400 [ OK ]
TEST: IPv6: host 0 to host 3, mtu 1400 [ OK ]
Cannot remove namespace file "/run/netns/h4": No such file or directory
$ echo $?
1
and a non-zero return code, make kselftests fail (even if the test
itself is fine):
...
not ok 34 selftests: net: fib_nexthop_multiprefix.sh # exit=1
...
Signed-off-by: Paolo Pisati <paolo.pisati@canonical.com>
Reviewed-by: David Ahern <dsahern@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
If there is no valid MAC address in the device tree,
use a random MAC address.
Signed-off-by: Maxim Kochetkov <fido_max@inbox.ru>
Signed-off-by: David S. Miller <davem@davemloft.net>
The size used when calling 'pci_alloc_consistent()' and
'pci_free_consistent()' should match.
Fix it and have it consistent with the corresponding call in 'rr_close()'.
Fixes: 1da177e4c3 ("Linux-2.6.12-rc2")
Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
Signed-off-by: David S. Miller <davem@davemloft.net>
First set of fixes for v5.8. Various important fixes for iwlwifi and
mt76.
iwlwifi
* fix sleeping under RCU
* fix a kernel crash when using compressed firmware images
mt76
* tx queueing fixes for mt7615/22/63
* locking fix
* fix a crash during watchdog reset
* fix memory leaks
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Merge tag 'wireless-drivers-2020-07-13' of git://git.kernel.org/pub/scm/linux/kernel/git/kvalo/wireless-drivers
Kalle Valo says:
====================
wireless-drivers fixes for v5.8
First set of fixes for v5.8. Various important fixes for iwlwifi and
mt76.
iwlwifi
* fix sleeping under RCU
* fix a kernel crash when using compressed firmware images
mt76
* tx queueing fixes for mt7615/22/63
* locking fix
* fix a crash during watchdog reset
* fix memory leaks
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
KASAN report null-ptr-deref error when register_netdev() failed:
KASAN: null-ptr-deref in range [0x00000000000003c0-0x00000000000003c7]
CPU: 2 PID: 422 Comm: ip Not tainted 5.8.0-rc4+ #12
Call Trace:
ip6gre_init_net+0x4ab/0x580
? ip6gre_tunnel_uninit+0x3f0/0x3f0
ops_init+0xa8/0x3c0
setup_net+0x2de/0x7e0
? rcu_read_lock_bh_held+0xb0/0xb0
? ops_init+0x3c0/0x3c0
? kasan_unpoison_shadow+0x33/0x40
? __kasan_kmalloc.constprop.0+0xc2/0xd0
copy_net_ns+0x27d/0x530
create_new_namespaces+0x382/0xa30
unshare_nsproxy_namespaces+0xa1/0x1d0
ksys_unshare+0x39c/0x780
? walk_process_tree+0x2a0/0x2a0
? trace_hardirqs_on+0x4a/0x1b0
? _raw_spin_unlock_irq+0x1f/0x30
? syscall_trace_enter+0x1a7/0x330
? do_syscall_64+0x1c/0xa0
__x64_sys_unshare+0x2d/0x40
do_syscall_64+0x56/0xa0
entry_SYSCALL_64_after_hwframe+0x44/0xa9
ip6gre_tunnel_uninit() has set 'ign->fb_tunnel_dev' to NULL, later
access to ign->fb_tunnel_dev cause null-ptr-deref. Fix it by saving
'ign->fb_tunnel_dev' to local variable ndev.
Fixes: dafabb6590 ("ip6_gre: fix use-after-free in ip6gre_tunnel_lookup()")
Reported-by: Hulk Robot <hulkci@huawei.com>
Signed-off-by: Wei Yongjun <weiyongjun1@huawei.com>
Reviewed-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
On sparc32, tcflag_t is "unsigned long", unlike on all other
architectures, where it is "unsigned int":
drivers/net/usb/hso.c: In function ‘hso_serial_set_termios’:
include/linux/kern_levels.h:5:18: warning: format ‘%d’ expects argument of type ‘unsigned int’, but argument 4 has type ‘tcflag_t {aka long unsigned int}’ [-Wformat=]
drivers/net/usb/hso.c:1393:3: note: in expansion of macro ‘hso_dbg’
hso_dbg(0x16, "Termios called with: cflags new[%d] - old[%d]\n",
^~~~~~~
include/linux/kern_levels.h:5:18: warning: format ‘%d’ expects argument of type ‘unsigned int’, but argument 5 has type ‘tcflag_t {aka long unsigned int}’ [-Wformat=]
drivers/net/usb/hso.c:1393:3: note: in expansion of macro ‘hso_dbg’
hso_dbg(0x16, "Termios called with: cflags new[%d] - old[%d]\n",
^~~~~~~
As "unsigned long" is 32-bit on sparc32, fix this by casting all tcflag_t
parameters to "unsigned int".
While at it, use "%u" to format unsigned numbers.
Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
Michael Chan says:
====================
bnxt_en: 3 bug fixes.
2 Fixes related to PHY/link settings. The last one fixes the sizing of
the completion ring.
Please also queue for -stable. Thanks.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
The current completion ring sizing formula is wrong with TPA enabled.
The formula assumes that the number of TPA completions are bound by the
RX ring size, but that's not true. TPA_START completions are immediately
recycled so they are not bound by the RX ring size. We must add
bp->max_tpa to the worst case maximum RX and TPA completions.
The completion ring can overflow because of this mistake. This will
cause hardware to disable the completion ring when this happens,
leading to RX and TX traffic to stall on that ring. This issue is
generally exposed only when the RX ring size is set very small.
Fix the formula by adding bp->max_tpa to the number of RX completions
if TPA is enabled.
Fixes: c0c050c58d ("bnxt_en: New Broadcom ethernet driver.");
Reviewed-by: Vasundhara Volam <vasundhara-v.volam@broadcom.com>
Signed-off-by: Michael Chan <michael.chan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
In a shared port PHY configuration, async event is received when any of the
port modifies the configuration. Ethtool link settings should be
initialised after updated PHY configuration from firmware.
Fixes: b1613e78e9 ("bnxt_en: Add async. event logic for PHY configuration changes.")
Signed-off-by: Vasundhara Volam <vasundhara-v.volam@broadcom.com>
Signed-off-by: Michael Chan <michael.chan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
The driver was modified to not rely on rtnl lock to protect link
settings about 2 years ago. The pause setting was missed when
making that change. Fix it by acquiring link_lock mutex before
calling bnxt_hwrm_set_pause().
Fixes: e2dc9b6e38 ("bnxt_en: Don't use rtnl lock to protect link change logic in workqueue.")
Signed-off-by: Vasundhara Volam <vasundhara-v.volam@broadcom.com>
Reviewed-by: Edwin Peer <edwin.peer@broadcom.com>
Signed-off-by: Michael Chan <michael.chan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Fix key ring search permissions to address a regression from -rc1.
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Merge tag 'libnvdimm-fix-v5.8-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/nvdimm/nvdimm
Pull libnvdimm fix from Dan Williams:
"A one-line Fix for key ring search permissions to address a regression
from -rc1"
* tag 'libnvdimm-fix-v5.8-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/nvdimm/nvdimm:
libnvdimm/security: Fix key lookup permissions
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Merge tag '5.8-rc4-smb3-fixes' of git://git.samba.org/sfrench/cifs-2.6
Pull cifs fixes from Steve French:
"Four cifs/smb3 fixes: the three for stable fix problems found recently
with change notification including a reference count leak"
* tag '5.8-rc4-smb3-fixes' of git://git.samba.org/sfrench/cifs-2.6:
cifs: update internal module version number
cifs: fix reference leak for tlink
smb3: fix unneeded error message on change notify
cifs: remove the retry in cifs_poxis_lock_set
smb3: fix access denied on change notify request to some servers
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Merge tag 'inclusive-terminology' of git://git.kernel.org/pub/scm/linux/kernel/git/djbw/linux
Pull coding style terminology documentation from Dan Williams:
"The discussion has tapered off as well as the incoming ack, review,
and sign-off tags. I did not see a reason to wait for the next merge
window"
* tag 'inclusive-terminology' of git://git.kernel.org/pub/scm/linux/kernel/git/djbw/linux:
CodingStyle: Inclusive Terminology
Pull networking fixes from David Miller:
1) Restore previous behavior of CAP_SYS_ADMIN wrt loading networking
BPF programs, from Maciej Żenczykowski.
2) Fix dropped broadcasts in mac80211 code, from Seevalamuthu
Mariappan.
3) Slay memory leak in nl80211 bss color attribute parsing code, from
Luca Coelho.
4) Get route from skb properly in ip_route_use_hint(), from Miaohe Lin.
5) Don't allow anything other than ARPHRD_ETHER in llc code, from Eric
Dumazet.
6) xsk code dips too deeply into DMA mapping implementation internals.
Add dma_need_sync and use it. From Christoph Hellwig
7) Enforce power-of-2 for BPF ringbuf sizes. From Andrii Nakryiko.
8) Check for disallowed attributes when loading flow dissector BPF
programs. From Lorenz Bauer.
9) Correct packet injection to L3 tunnel devices via AF_PACKET, from
Jason A. Donenfeld.
10) Don't advertise checksum offload on ipa devices that don't support
it. From Alex Elder.
11) Resolve several issues in TCP MD5 signature support. Missing memory
barriers, bogus options emitted when using syncookies, and failure
to allow md5 key changes in established states. All from Eric
Dumazet.
12) Fix interface leak in hsr code, from Taehee Yoo.
13) VF reset fixes in hns3 driver, from Huazhong Tan.
14) Make loopback work again with ipv6 anycast, from David Ahern.
15) Fix TX starvation under high load in fec driver, from Tobias
Waldekranz.
16) MLD2 payload lengths not checked properly in bridge multicast code,
from Linus Lüssing.
17) Packet scheduler code that wants to find the inner protocol
currently only works for one level of VLAN encapsulation. Allow
Q-in-Q situations to work properly here, from Toke
Høiland-Jørgensen.
18) Fix route leak in l2tp, from Xin Long.
19) Resolve conflict between the sk->sk_user_data usage of bpf reuseport
support and various protocols. From Martin KaFai Lau.
20) Fix socket cgroup v2 reference counting in some situations, from
Cong Wang.
21) Cure memory leak in mlx5 connection tracking offload support, from
Eli Britstein.
* git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net: (146 commits)
mlxsw: pci: Fix use-after-free in case of failed devlink reload
mlxsw: spectrum_router: Remove inappropriate usage of WARN_ON()
net: macb: fix call to pm_runtime in the suspend/resume functions
net: macb: fix macb_suspend() by removing call to netif_carrier_off()
net: macb: fix macb_get/set_wol() when moving to phylink
net: macb: mark device wake capable when "magic-packet" property present
net: macb: fix wakeup test in runtime suspend/resume routines
bnxt_en: fix NULL dereference in case SR-IOV configuration fails
libbpf: Fix libbpf hashmap on (I)LP32 architectures
net/mlx5e: CT: Fix memory leak in cleanup
net/mlx5e: Fix port buffers cell size value
net/mlx5e: Fix 50G per lane indication
net/mlx5e: Fix CPU mapping after function reload to avoid aRFS RX crash
net/mlx5e: Fix VXLAN configuration restore after function reload
net/mlx5e: Fix usage of rcu-protected pointer
net/mxl5e: Verify that rpriv is not NULL
net/mlx5: E-Switch, Fix vlan or qos setting in legacy mode
net/mlx5: Fix eeprom support for SFP module
cgroup: Fix sock_cgroup_data on big-endian.
selftests: bpf: Fix detach from sockmap tests
...
CONFIG_CC_IS_GCC is undefined when Clang is used, which breaks the build
(see our Travis link below).
Clang 8 was chosen as a minimum version for this check because there
were some improvements around __builtin_constant_p in that release. In
reality, MIPS was not even buildable until clang 9 so that check was not
technically necessary. Just remove all compiler checks and just assume
that we have a working compiler.
Fixes: d4e6045326 ("Restore gcc check in mips asm/unroll.h")
Link: https://travis-ci.com/github/ClangBuiltLinux/continuous-integration/jobs/359642821
Signed-off-by: Nathan Chancellor <natechancellor@gmail.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Ido Schimmel says:
====================
mlxsw: Various fixes
Fix two issues found by syzkaller.
Patch #1 removes inappropriate usage of WARN_ON() following memory
allocation failure. Constantly triggered when syzkaller injects faults.
Patch #2 fixes a use-after-free that can be triggered by 'devlink dev
info' following a failed devlink reload.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
In case devlink reload failed, it is possible to trigger a
use-after-free when querying the kernel for device info via 'devlink dev
info' [1].
This happens because as part of the reload error path the PCI command
interface is de-initialized and its mailboxes are freed. When the
devlink '->info_get()' callback is invoked the device is queried via the
command interface and the freed mailboxes are accessed.
Fix this by initializing the command interface once during probe and not
during every reload.
This is consistent with the other bus used by mlxsw (i.e., 'mlxsw_i2c')
and also allows user space to query the running firmware version (for
example) from the device after a failed reload.
[1]
BUG: KASAN: use-after-free in memcpy include/linux/string.h:406 [inline]
BUG: KASAN: use-after-free in mlxsw_pci_cmd_exec+0x177/0xa60 drivers/net/ethernet/mellanox/mlxsw/pci.c:1675
Write of size 4096 at addr ffff88810ae32000 by task syz-executor.1/2355
CPU: 1 PID: 2355 Comm: syz-executor.1 Not tainted 5.8.0-rc2+ #29
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.12.1-0-ga5cab58e9a3f-prebuilt.qemu.org 04/01/2014
Call Trace:
__dump_stack lib/dump_stack.c:77 [inline]
dump_stack+0xf6/0x16e lib/dump_stack.c:118
print_address_description.constprop.0+0x1c/0x250 mm/kasan/report.c:383
__kasan_report mm/kasan/report.c:513 [inline]
kasan_report.cold+0x1f/0x37 mm/kasan/report.c:530
check_memory_region_inline mm/kasan/generic.c:186 [inline]
check_memory_region+0x14e/0x1b0 mm/kasan/generic.c:192
memcpy+0x39/0x60 mm/kasan/common.c:106
memcpy include/linux/string.h:406 [inline]
mlxsw_pci_cmd_exec+0x177/0xa60 drivers/net/ethernet/mellanox/mlxsw/pci.c:1675
mlxsw_cmd_exec+0x249/0x550 drivers/net/ethernet/mellanox/mlxsw/core.c:2335
mlxsw_cmd_access_reg drivers/net/ethernet/mellanox/mlxsw/cmd.h:859 [inline]
mlxsw_core_reg_access_cmd drivers/net/ethernet/mellanox/mlxsw/core.c:1938 [inline]
mlxsw_core_reg_access+0x2f6/0x540 drivers/net/ethernet/mellanox/mlxsw/core.c:1985
mlxsw_reg_query drivers/net/ethernet/mellanox/mlxsw/core.c:2000 [inline]
mlxsw_devlink_info_get+0x17f/0x6e0 drivers/net/ethernet/mellanox/mlxsw/core.c:1090
devlink_nl_info_fill.constprop.0+0x13c/0x2d0 net/core/devlink.c:4588
devlink_nl_cmd_info_get_dumpit+0x246/0x460 net/core/devlink.c:4648
genl_lock_dumpit+0x85/0xc0 net/netlink/genetlink.c:575
netlink_dump+0x515/0xe50 net/netlink/af_netlink.c:2245
__netlink_dump_start+0x53d/0x830 net/netlink/af_netlink.c:2353
genl_family_rcv_msg_dumpit.isra.0+0x296/0x300 net/netlink/genetlink.c:638
genl_family_rcv_msg net/netlink/genetlink.c:733 [inline]
genl_rcv_msg+0x78d/0x9d0 net/netlink/genetlink.c:753
netlink_rcv_skb+0x152/0x440 net/netlink/af_netlink.c:2469
genl_rcv+0x24/0x40 net/netlink/genetlink.c:764
netlink_unicast_kernel net/netlink/af_netlink.c:1303 [inline]
netlink_unicast+0x53a/0x750 net/netlink/af_netlink.c:1329
netlink_sendmsg+0x850/0xd90 net/netlink/af_netlink.c:1918
sock_sendmsg_nosec net/socket.c:652 [inline]
sock_sendmsg+0x150/0x190 net/socket.c:672
____sys_sendmsg+0x6d8/0x840 net/socket.c:2363
___sys_sendmsg+0xff/0x170 net/socket.c:2417
__sys_sendmsg+0xe5/0x1b0 net/socket.c:2450
do_syscall_64+0x56/0xa0 arch/x86/entry/common.c:359
entry_SYSCALL_64_after_hwframe+0x44/0xa9
Fixes: a9c8336f65 ("mlxsw: core: Add support for devlink info command")
Signed-off-by: Ido Schimmel <idosch@mellanox.com>
Reviewed-by: Jiri Pirko <jiri@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
We should not trigger a warning when a memory allocation fails. Remove
the WARN_ON().
The warning is constantly triggered by syzkaller when it is injecting
faults:
[ 2230.758664] FAULT_INJECTION: forcing a failure.
[ 2230.758664] name failslab, interval 1, probability 0, space 0, times 0
[ 2230.762329] CPU: 3 PID: 1407 Comm: syz-executor.0 Not tainted 5.8.0-rc2+ #28
...
[ 2230.898175] WARNING: CPU: 3 PID: 1407 at drivers/net/ethernet/mellanox/mlxsw/spectrum_router.c:6265 mlxsw_sp_router_fib_event+0xfad/0x13e0
[ 2230.898179] Kernel panic - not syncing: panic_on_warn set ...
[ 2230.898183] CPU: 3 PID: 1407 Comm: syz-executor.0 Not tainted 5.8.0-rc2+ #28
[ 2230.898190] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.12.1-0-ga5cab58e9a3f-prebuilt.qemu.org 04/01/2014
Fixes: 3057224e01 ("mlxsw: spectrum_router: Implement FIB offload in deferred work")
Signed-off-by: Ido Schimmel <idosch@mellanox.com>
Reviewed-by: Jiri Pirko <jiri@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Nicolas Ferre says:
====================
net: macb: Wake-on-Lan magic packet fixes and GEM handling
Here is a split series to fix WoL magic-packet on the current macb driver. Only
fixes in this one based on current net/master.
Changes in v5:
- Addressed the error code returned by phylink_ethtool_set_wol() as suggested
by Russell.
If PHY handles WoL, MAC doesn't stay in the way.
- Removed Florian's tag on 3/5 because of the above changes.
- Correct the "Fixes" tag on 1/5.
Changes in v4:
- Pure bug fix series for 'net'. GEM addition and MACB update removed: will be
sent later.
Changes in v3:
- Revert some of the v2 changes done in macb_resume(). Now the resume function
supports in-depth re-configuration of the controller in order to deal with
deeper sleep states. Basically as it was before changes introduced by this
series
- Tested for non-regression with our deeper Power Management mode which cuts
power to the controller completely
Changes in v2:
- Add patch 4/7 ("net: macb: fix macb_suspend() by removing call to netif_carrier_off()")
needed for keeping phy state consistent
- Add patch 5/7 ("net: macb: fix call to pm_runtime in the suspend/resume functions") that prevent
putting the macb in runtime pm suspend mode when WoL is used
- Collect review tags on 3 first patches from Florian: Thanks!
- Review of macb_resume() function
- Addition of pm_wakeup_event() in both MACB and GEM WoL IRQ handlers
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
The calls to pm_runtime_force_suspend/resume() functions are only
relevant if the device is not configured to act as a WoL wakeup source.
Add the device_may_wakeup() test before calling them.
Fixes: 3e2a5e1539 ("net: macb: add wake-on-lan support via magic packet")
Cc: Claudiu Beznea <claudiu.beznea@microchip.com>
Cc: Harini Katakam <harini.katakam@xilinx.com>
Cc: Sergio Prado <sergio.prado@e-labworks.com>
Reviewed-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: Nicolas Ferre <nicolas.ferre@microchip.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
As we now use the phylink call to phylink_stop() in the non-WoL path,
there is no need for this call to netif_carrier_off() anymore. It can
disturb the underlying phylink FSM.
Fixes: 7897b071ac ("net: macb: convert to phylink")
Cc: Claudiu Beznea <claudiu.beznea@microchip.com>
Cc: Harini Katakam <harini.katakam@xilinx.com>
Cc: Antoine Tenart <antoine.tenart@bootlin.com>
Reviewed-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: Nicolas Ferre <nicolas.ferre@microchip.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Keep previous function goals and integrate phylink actions to them.
phylink_ethtool_get_wol() is not enough to figure out if Ethernet driver
supports Wake-on-Lan.
Initialization of "supported" and "wolopts" members is done in phylink
function, no need to keep them in calling function.
phylink_ethtool_set_wol() return value is considered and determines
if the MAC has to handle WoL or not. The case where the PHY doesn't
implement WoL leads to the MAC configuring it to provide this feature.
Fixes: 7897b071ac ("net: macb: convert to phylink")
Cc: Claudiu Beznea <claudiu.beznea@microchip.com>
Cc: Harini Katakam <harini.katakam@xilinx.com>
Cc: Antoine Tenart <antoine.tenart@bootlin.com>
Cc: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: Nicolas Ferre <nicolas.ferre@microchip.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Change the way the "magic-packet" DT property is handled in the
macb_probe() function, matching DT binding documentation.
Now we mark the device as "wakeup capable" instead of calling the
device_init_wakeup() function that would enable the wakeup source.
For Ethernet WoL, enabling the wakeup_source is done by
using ethtool and associated macb_set_wol() function that
already calls device_set_wakeup_enable() for this purpose.
That would reduce power consumption by cutting more clocks if
"magic-packet" property is set but WoL is not configured by ethtool.
Fixes: 3e2a5e1539 ("net: macb: add wake-on-lan support via magic packet")
Cc: Claudiu Beznea <claudiu.beznea@microchip.com>
Cc: Harini Katakam <harini.katakam@xilinx.com>
Cc: Sergio Prado <sergio.prado@e-labworks.com>
Reviewed-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: Nicolas Ferre <nicolas.ferre@microchip.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Use the proper struct device pointer to check if the wakeup flag
and wakeup source are positioned.
Use the one passed by function call which is equivalent to
&bp->dev->dev.parent.
It's preventing the trigger of a spurious interrupt in case the
Wake-on-Lan feature is used.
Fixes: d54f89af6c ("net: macb: Add pm runtime support")
Cc: Claudiu Beznea <claudiu.beznea@microchip.com>
Cc: Harini Katakam <harini.katakam@xilinx.com>
Reviewed-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: Nicolas Ferre <nicolas.ferre@microchip.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Alexei Starovoitov says:
====================
pull-request: bpf 2020-07-09
The following pull-request contains BPF updates for your *net* tree.
We've added 4 non-merge commits during the last 1 day(s) which contain
a total of 4 files changed, 26 insertions(+), 15 deletions(-).
The main changes are:
1) fix crash in libbpf on 32-bit archs, from Jakub and Andrii.
2) fix crash when l2tp and bpf_sk_reuseport conflict, from Martin.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
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Merge tag 'mlx5-fixes-2020-07-02' of git://git.kernel.org/pub/scm/linux/kernel/git/saeed/linux
Saeed Mahameed says:
====================
mlx5 fixes 2020-07-02
This series introduces some fixes to mlx5 driver.
V1->v2:
- Drop "ip -s" patch and mirred device hold reference patch.
- Will revise them in a later submission.
Please pull and let me know if there is any problem.
For -stable v5.2
('net/mlx5: Fix eeprom support for SFP module')
For -stable v5.4
('net/mlx5e: Fix 50G per lane indication')
For -stable v5.5
('net/mlx5e: Fix CPU mapping after function reload to avoid aRFS RX crash')
('net/mlx5e: Fix VXLAN configuration restore after function reload')
For -stable v5.7
('net/mlx5e: CT: Fix memory leak in cleanup')
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
Small update, a few more merge window bugs and normal driver bug fixes:
- Two merge window regressions in mlx5: a error path bug found by
syzkaller and some lost code during a rework preventing ipoib from
working in some configurations
- Silence clang compilation warning in OPA related code
- Fix a long standing race condition in ib_nl for ACM
- Resolve when the HFI1 is shutdown
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Merge tag 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/rdma/rdma
Pull rdma fixes from Jason Gunthorpe:
"Small update, a few more merge window bugs and normal driver bug
fixes:
- Two merge window regressions in mlx5: a error path bug found by
syzkaller and some lost code during a rework preventing ipoib from
working in some configurations
- Silence clang compilation warning in OPA related code
- Fix a long standing race condition in ib_nl for ACM
- Resolve when the HFI1 is shutdown"
* tag 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/rdma/rdma:
RDMA/mlx5: Set PD pointers for the error flow unwind
IB/mlx5: Fix 50G per lane indication
RDMA/siw: Fix reporting vendor_part_id
IB/sa: Resolv use-after-free in ib_nl_make_request()
IB/hfi1: Do not destroy link_wq when the device is shut down
IB/hfi1: Do not destroy hfi1_wq when the device is shut down
RDMA/mlx5: Fix legacy IPoIB QP initialization
IB/hfi1: Add explicit cast OPA_MTU_8192 to 'enum ib_mtu'
This Kselftest fixes update for Linux 5.8-rc5 consists of tmp2 test
changes to run on python3 and kselftest framework fix to incorrect
return type.
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Merge tag 'linux-kselftest-fixes-5.8-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/shuah/linux-kselftest
Pull kselftest fixes from Shuah Khan:
"TPM2 test changes to run on python3 and kselftest framework fix to
incorrect return type"
* tag 'linux-kselftest-fixes-5.8-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/shuah/linux-kselftest:
kselftest: ksft_test_num return type should be unsigned
selftests: tpm: upgrade TPM2 tests from Python 2 to Python 3
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Merge tag 'io_uring-5.8-2020-07-10' of git://git.kernel.dk/linux-block
Pull io_uring fixes from Jens Axboe:
- Fix memleak for error path in registered files (Yang)
- Export CQ overflow state in flags, necessary to fix a case where
liburing doesn't know if it needs to enter the kernel (Xiaoguang)
- Fix for a regression in when user memory is accounted freed, causing
issues with back-to-back ring exit + init if the ulimit -l setting is
very tight.
* tag 'io_uring-5.8-2020-07-10' of git://git.kernel.dk/linux-block:
io_uring: account user memory freed when exit has been queued
io_uring: fix memleak in io_sqe_files_register()
io_uring: fix memleak in __io_sqe_files_update()
io_uring: export cq overflow status to userspace
Reshuffle the (__)kernel_read and (__)kernel_write helpers, and ensure
all users of in-kernel file I/O use them if they don't use iov_iter
based methods already.
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Merge tag 'cleanup-kernel_read_write' of git://git.infradead.org/users/hch/misc
Pull in-kernel read and write op cleanups from Christoph Hellwig:
"Cleanup in-kernel read and write operations
Reshuffle the (__)kernel_read and (__)kernel_write helpers, and ensure
all users of in-kernel file I/O use them if they don't use iov_iter
based methods already.
The new WARN_ONs in combination with syzcaller already found a missing
input validation in 9p. The fix should be on your way through the
maintainer ASAP".
[ This is prep-work for the real changes coming 5.9 ]
* tag 'cleanup-kernel_read_write' of git://git.infradead.org/users/hch/misc:
fs: remove __vfs_read
fs: implement kernel_read using __kernel_read
integrity/ima: switch to using __kernel_read
fs: add a __kernel_read helper
fs: remove __vfs_write
fs: implement kernel_write using __kernel_write
fs: check FMODE_WRITE in __kernel_write
fs: unexport __kernel_write
bpfilter: switch to kernel_write
autofs: switch to kernel_write
cachefiles: switch to kernel_write
- add a warning when the atomic pool is depleted (David Rientjes)
- protect the parameters of the new scatterlist helper macros
(Marek Szyprowski )
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Merge tag 'dma-mapping-5.8-5' of git://git.infradead.org/users/hch/dma-mapping
Pull dma-mapping fixes from Christoph Hellwig:
- add a warning when the atomic pool is depleted (David Rientjes)
- protect the parameters of the new scatterlist helper macros (Marek
Szyprowski )
* tag 'dma-mapping-5.8-5' of git://git.infradead.org/users/hch/dma-mapping:
scatterlist: protect parameters of the sg_table related macros
dma-mapping: warn when coherent pool is depleted
- Fix an issue in the AMD driver for the UART0 group.
- Fix a glitch issue in the Baytrail pin controller.
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Merge tag 'pinctrl-v5.8-3' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-pinctrl
Pull pin control fixes from Linus Walleij:
- Fix an issue in the AMD driver for the UART0 group
- Fix a glitch issue in the Baytrail pin controller
* tag 'pinctrl-v5.8-3' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-pinctrl:
pinctrl: baytrail: Fix pin being driven low for a while on gpiod_get(..., GPIOD_OUT_HIGH)
pinctrl: amd: fix npins for uart0 in kerncz_groups
