<feed xmlns='http://www.w3.org/2005/Atom'>
<title>linux-stable.git/drivers/net, branch v5.4.60</title>
<subtitle>Linux kernel stable tree</subtitle>
<link rel='alternate' type='text/html' href='https://git.tavy.me/linux-stable.git/'/>
<entry>
<title>net: qcom/emac: add missed clk_disable_unprepare in error path of emac_clks_phase1_init</title>
<updated>2020-08-21T11:05:37+00:00</updated>
<author>
<name>Wang Hai</name>
<email>wanghai38@huawei.com</email>
</author>
<published>2020-08-10T02:57:05+00:00</published>
<link rel='alternate' type='text/html' href='https://git.tavy.me/linux-stable.git/commit/?id=d09d6dca89e948ddddf2b0c509b05b8cd71626de'/>
<id>d09d6dca89e948ddddf2b0c509b05b8cd71626de</id>
<content type='text'>
[ Upstream commit 50caa777a3a24d7027748e96265728ce748b41ef ]

Fix the missing clk_disable_unprepare() before return
from emac_clks_phase1_init() in the error handling case.

Fixes: b9b17debc69d ("net: emac: emac gigabit ethernet controller driver")
Reported-by: Hulk Robot &lt;hulkci@huawei.com&gt;
Signed-off-by: Wang Hai &lt;wanghai38@huawei.com&gt;
Acked-by: Timur Tabi &lt;timur@kernel.org&gt;
Signed-off-by: David S. Miller &lt;davem@davemloft.net&gt;
Signed-off-by: Sasha Levin &lt;sashal@kernel.org&gt;
</content>
<content type='xhtml'>
<div xmlns='http://www.w3.org/1999/xhtml'>
<pre>
[ Upstream commit 50caa777a3a24d7027748e96265728ce748b41ef ]

Fix the missing clk_disable_unprepare() before return
from emac_clks_phase1_init() in the error handling case.

Fixes: b9b17debc69d ("net: emac: emac gigabit ethernet controller driver")
Reported-by: Hulk Robot &lt;hulkci@huawei.com&gt;
Signed-off-by: Wang Hai &lt;wanghai38@huawei.com&gt;
Acked-by: Timur Tabi &lt;timur@kernel.org&gt;
Signed-off-by: David S. Miller &lt;davem@davemloft.net&gt;
Signed-off-by: Sasha Levin &lt;sashal@kernel.org&gt;
</pre>
</div>
</content>
</entry>
<entry>
<title>octeontx2-af: change (struct qmem)-&gt;entry_sz from u8 to u16</title>
<updated>2020-08-21T11:05:30+00:00</updated>
<author>
<name>Eric Dumazet</name>
<email>edumazet@google.com</email>
</author>
<published>2020-06-18T03:53:21+00:00</published>
<link rel='alternate' type='text/html' href='https://git.tavy.me/linux-stable.git/commit/?id=e1f2606892f2b285d202b61eed96ed53a458c9d7'/>
<id>e1f2606892f2b285d202b61eed96ed53a458c9d7</id>
<content type='text'>
[ Upstream commit 393415203f5c916b5907e0a7c89f4c2c5a9c5505 ]

We need to increase TSO_HEADER_SIZE from 128 to 256.

Since otx2_sq_init() calls qmem_alloc() with TSO_HEADER_SIZE,
we need to change (struct qmem)-&gt;entry_sz to avoid truncation to 0.

Fixes: 7a37245ef23f ("octeontx2-af: NPA block admin queue init")
Signed-off-by: Eric Dumazet &lt;edumazet@google.com&gt;
Cc: Sunil Goutham &lt;sgoutham@marvell.com&gt;
Signed-off-by: David S. Miller &lt;davem@davemloft.net&gt;
Signed-off-by: Sasha Levin &lt;sashal@kernel.org&gt;
</content>
<content type='xhtml'>
<div xmlns='http://www.w3.org/1999/xhtml'>
<pre>
[ Upstream commit 393415203f5c916b5907e0a7c89f4c2c5a9c5505 ]

We need to increase TSO_HEADER_SIZE from 128 to 256.

Since otx2_sq_init() calls qmem_alloc() with TSO_HEADER_SIZE,
we need to change (struct qmem)-&gt;entry_sz to avoid truncation to 0.

Fixes: 7a37245ef23f ("octeontx2-af: NPA block admin queue init")
Signed-off-by: Eric Dumazet &lt;edumazet@google.com&gt;
Cc: Sunil Goutham &lt;sgoutham@marvell.com&gt;
Signed-off-by: David S. Miller &lt;davem@davemloft.net&gt;
Signed-off-by: Sasha Levin &lt;sashal@kernel.org&gt;
</pre>
</div>
</content>
</entry>
<entry>
<title>net: stmmac: dwmac1000: provide multicast filter fallback</title>
<updated>2020-08-21T11:05:25+00:00</updated>
<author>
<name>Jonathan McDowell</name>
<email>noodles@earth.li</email>
</author>
<published>2020-08-12T19:37:01+00:00</published>
<link rel='alternate' type='text/html' href='https://git.tavy.me/linux-stable.git/commit/?id=6ea125ec644b1af4b1704b0a35d42ad4820dca5b'/>
<id>6ea125ec644b1af4b1704b0a35d42ad4820dca5b</id>
<content type='text'>
commit 592d751c1e174df5ff219946908b005eb48934b3 upstream.

If we don't have a hardware multicast filter available then instead of
silently failing to listen for the requested ethernet broadcast
addresses fall back to receiving all multicast packets, in a similar
fashion to other drivers with no multicast filter.

Cc: stable@vger.kernel.org
Signed-off-by: Jonathan McDowell &lt;noodles@earth.li&gt;
Signed-off-by: David S. Miller &lt;davem@davemloft.net&gt;
Signed-off-by: Greg Kroah-Hartman &lt;gregkh@linuxfoundation.org&gt;

</content>
<content type='xhtml'>
<div xmlns='http://www.w3.org/1999/xhtml'>
<pre>
commit 592d751c1e174df5ff219946908b005eb48934b3 upstream.

If we don't have a hardware multicast filter available then instead of
silently failing to listen for the requested ethernet broadcast
addresses fall back to receiving all multicast packets, in a similar
fashion to other drivers with no multicast filter.

Cc: stable@vger.kernel.org
Signed-off-by: Jonathan McDowell &lt;noodles@earth.li&gt;
Signed-off-by: David S. Miller &lt;davem@davemloft.net&gt;
Signed-off-by: Greg Kroah-Hartman &lt;gregkh@linuxfoundation.org&gt;

</pre>
</div>
</content>
</entry>
<entry>
<title>net: ethernet: stmmac: Disable hardware multicast filter</title>
<updated>2020-08-21T11:05:25+00:00</updated>
<author>
<name>Jonathan McDowell</name>
<email>noodles@earth.li</email>
</author>
<published>2020-08-12T19:37:23+00:00</published>
<link rel='alternate' type='text/html' href='https://git.tavy.me/linux-stable.git/commit/?id=e92a02e47e16d11fd6c8f970269a489e20c8849b'/>
<id>e92a02e47e16d11fd6c8f970269a489e20c8849b</id>
<content type='text'>
commit df43dd526e6609769ae513a81443c7aa727c8ca3 upstream.

The IPQ806x does not appear to have a functional multicast ethernet
address filter. This was observed as a failure to correctly receive IPv6
packets on a LAN to the all stations address. Checking the vendor driver
shows that it does not attempt to enable the multicast filter and
instead falls back to receiving all multicast packets, internally
setting ALLMULTI.

Use the new fallback support in the dwmac1000 driver to correctly
achieve the same with the mainline IPQ806x driver. Confirmed to fix IPv6
functionality on an RB3011 router.

Cc: stable@vger.kernel.org
Signed-off-by: Jonathan McDowell &lt;noodles@earth.li&gt;
Signed-off-by: David S. Miller &lt;davem@davemloft.net&gt;
Signed-off-by: Greg Kroah-Hartman &lt;gregkh@linuxfoundation.org&gt;

</content>
<content type='xhtml'>
<div xmlns='http://www.w3.org/1999/xhtml'>
<pre>
commit df43dd526e6609769ae513a81443c7aa727c8ca3 upstream.

The IPQ806x does not appear to have a functional multicast ethernet
address filter. This was observed as a failure to correctly receive IPv6
packets on a LAN to the all stations address. Checking the vendor driver
shows that it does not attempt to enable the multicast filter and
instead falls back to receiving all multicast packets, internally
setting ALLMULTI.

Use the new fallback support in the dwmac1000 driver to correctly
achieve the same with the mainline IPQ806x driver. Confirmed to fix IPv6
functionality on an RB3011 router.

Cc: stable@vger.kernel.org
Signed-off-by: Jonathan McDowell &lt;noodles@earth.li&gt;
Signed-off-by: David S. Miller &lt;davem@davemloft.net&gt;
Signed-off-by: Greg Kroah-Hartman &lt;gregkh@linuxfoundation.org&gt;

</pre>
</div>
</content>
</entry>
<entry>
<title>vmxnet3: use correct tcp hdr length when packet is encapsulated</title>
<updated>2020-08-19T06:16:23+00:00</updated>
<author>
<name>Ronak Doshi</name>
<email>doshir@vmware.com</email>
</author>
<published>2020-08-10T16:55:55+00:00</published>
<link rel='alternate' type='text/html' href='https://git.tavy.me/linux-stable.git/commit/?id=8a337428a5af1928b6e92de9340ca9f24ff0c55d'/>
<id>8a337428a5af1928b6e92de9340ca9f24ff0c55d</id>
<content type='text'>
[ Upstream commit 8a7f280f29a80f6e0798f5d6e07c5dd8726620fe ]

Commit dacce2be3312 ("vmxnet3: add geneve and vxlan tunnel offload
support") added support for encapsulation offload. However, while
calculating tcp hdr length, it does not take into account if the
packet is encapsulated or not.

This patch fixes this issue by using correct reference for inner
tcp header.

Fixes: dacce2be3312 ("vmxnet3: add geneve and vxlan tunnel offload support")
Signed-off-by: Ronak Doshi &lt;doshir@vmware.com&gt;
Acked-by: Guolin Yang &lt;gyang@vmware.com&gt;
Signed-off-by: David S. Miller &lt;davem@davemloft.net&gt;
Signed-off-by: Greg Kroah-Hartman &lt;gregkh@linuxfoundation.org&gt;
</content>
<content type='xhtml'>
<div xmlns='http://www.w3.org/1999/xhtml'>
<pre>
[ Upstream commit 8a7f280f29a80f6e0798f5d6e07c5dd8726620fe ]

Commit dacce2be3312 ("vmxnet3: add geneve and vxlan tunnel offload
support") added support for encapsulation offload. However, while
calculating tcp hdr length, it does not take into account if the
packet is encapsulated or not.

This patch fixes this issue by using correct reference for inner
tcp header.

Fixes: dacce2be3312 ("vmxnet3: add geneve and vxlan tunnel offload support")
Signed-off-by: Ronak Doshi &lt;doshir@vmware.com&gt;
Acked-by: Guolin Yang &lt;gyang@vmware.com&gt;
Signed-off-by: David S. Miller &lt;davem@davemloft.net&gt;
Signed-off-by: Greg Kroah-Hartman &lt;gregkh@linuxfoundation.org&gt;
</pre>
</div>
</content>
</entry>
<entry>
<title>net: phy: fix memory leak in device-create error path</title>
<updated>2020-08-19T06:16:22+00:00</updated>
<author>
<name>Johan Hovold</name>
<email>johan@kernel.org</email>
</author>
<published>2020-08-06T15:37:53+00:00</published>
<link rel='alternate' type='text/html' href='https://git.tavy.me/linux-stable.git/commit/?id=47f873ac267b9b0093979a0d6aa9ceb2ac84ef14'/>
<id>47f873ac267b9b0093979a0d6aa9ceb2ac84ef14</id>
<content type='text'>
[ Upstream commit d02cbc46136105cf86f84ac355e16f04696f538d ]

A recent commit introduced a late error path in phy_device_create()
which fails to release the device name allocated by dev_set_name().

Fixes: 13d0ab6750b2 ("net: phy: check return code when requesting PHY driver module")
Cc: Heiner Kallweit &lt;hkallweit1@gmail.com&gt;
Signed-off-by: Johan Hovold &lt;johan@kernel.org&gt;
Signed-off-by: David S. Miller &lt;davem@davemloft.net&gt;
Signed-off-by: Greg Kroah-Hartman &lt;gregkh@linuxfoundation.org&gt;
</content>
<content type='xhtml'>
<div xmlns='http://www.w3.org/1999/xhtml'>
<pre>
[ Upstream commit d02cbc46136105cf86f84ac355e16f04696f538d ]

A recent commit introduced a late error path in phy_device_create()
which fails to release the device name allocated by dev_set_name().

Fixes: 13d0ab6750b2 ("net: phy: check return code when requesting PHY driver module")
Cc: Heiner Kallweit &lt;hkallweit1@gmail.com&gt;
Signed-off-by: Johan Hovold &lt;johan@kernel.org&gt;
Signed-off-by: David S. Miller &lt;davem@davemloft.net&gt;
Signed-off-by: Greg Kroah-Hartman &lt;gregkh@linuxfoundation.org&gt;
</pre>
</div>
</content>
</entry>
<entry>
<title>drivers/net/wan/lapbether: Added needed_headroom and a skb-&gt;len check</title>
<updated>2020-08-19T06:16:22+00:00</updated>
<author>
<name>Xie He</name>
<email>xie.he.0141@gmail.com</email>
</author>
<published>2020-08-06T01:50:40+00:00</published>
<link rel='alternate' type='text/html' href='https://git.tavy.me/linux-stable.git/commit/?id=f6c5d9f3361af1e28cd1337e8b94c8e0adee05dc'/>
<id>f6c5d9f3361af1e28cd1337e8b94c8e0adee05dc</id>
<content type='text'>
[ Upstream commit c7ca03c216acb14466a713fedf1b9f2c24994ef2 ]

1. Added a skb-&gt;len check

This driver expects upper layers to include a pseudo header of 1 byte
when passing down a skb for transmission. This driver will read this
1-byte header. This patch added a skb-&gt;len check before reading the
header to make sure the header exists.

2. Changed to use needed_headroom instead of hard_header_len to request
necessary headroom to be allocated

In net/packet/af_packet.c, the function packet_snd first reserves a
headroom of length (dev-&gt;hard_header_len + dev-&gt;needed_headroom).
Then if the socket is a SOCK_DGRAM socket, it calls dev_hard_header,
which calls dev-&gt;header_ops-&gt;create, to create the link layer header.
If the socket is a SOCK_RAW socket, it "un-reserves" a headroom of
length (dev-&gt;hard_header_len), and assumes the user to provide the
appropriate link layer header.

So according to the logic of af_packet.c, dev-&gt;hard_header_len should
be the length of the header that would be created by
dev-&gt;header_ops-&gt;create.

However, this driver doesn't provide dev-&gt;header_ops, so logically
dev-&gt;hard_header_len should be 0.

So we should use dev-&gt;needed_headroom instead of dev-&gt;hard_header_len
to request necessary headroom to be allocated.

This change fixes kernel panic when this driver is used with AF_PACKET
SOCK_RAW sockets.

Call stack when panic:

[  168.399197] skbuff: skb_under_panic: text:ffffffff819d95fb len:20
put:14 head:ffff8882704c0a00 data:ffff8882704c09fd tail:0x11 end:0xc0
dev:veth0
...
[  168.399255] Call Trace:
[  168.399259]  skb_push.cold+0x14/0x24
[  168.399262]  eth_header+0x2b/0xc0
[  168.399267]  lapbeth_data_transmit+0x9a/0xb0 [lapbether]
[  168.399275]  lapb_data_transmit+0x22/0x2c [lapb]
[  168.399277]  lapb_transmit_buffer+0x71/0xb0 [lapb]
[  168.399279]  lapb_kick+0xe3/0x1c0 [lapb]
[  168.399281]  lapb_data_request+0x76/0xc0 [lapb]
[  168.399283]  lapbeth_xmit+0x56/0x90 [lapbether]
[  168.399286]  dev_hard_start_xmit+0x91/0x1f0
[  168.399289]  ? irq_init_percpu_irqstack+0xc0/0x100
[  168.399291]  __dev_queue_xmit+0x721/0x8e0
[  168.399295]  ? packet_parse_headers.isra.0+0xd2/0x110
[  168.399297]  dev_queue_xmit+0x10/0x20
[  168.399298]  packet_sendmsg+0xbf0/0x19b0
......

Cc: Willem de Bruijn &lt;willemdebruijn.kernel@gmail.com&gt;
Cc: Martin Schiller &lt;ms@dev.tdt.de&gt;
Cc: Brian Norris &lt;briannorris@chromium.org&gt;
Signed-off-by: Xie He &lt;xie.he.0141@gmail.com&gt;
Acked-by: Willem de Bruijn &lt;willemb@google.com&gt;
Signed-off-by: David S. Miller &lt;davem@davemloft.net&gt;
Signed-off-by: Greg Kroah-Hartman &lt;gregkh@linuxfoundation.org&gt;
</content>
<content type='xhtml'>
<div xmlns='http://www.w3.org/1999/xhtml'>
<pre>
[ Upstream commit c7ca03c216acb14466a713fedf1b9f2c24994ef2 ]

1. Added a skb-&gt;len check

This driver expects upper layers to include a pseudo header of 1 byte
when passing down a skb for transmission. This driver will read this
1-byte header. This patch added a skb-&gt;len check before reading the
header to make sure the header exists.

2. Changed to use needed_headroom instead of hard_header_len to request
necessary headroom to be allocated

In net/packet/af_packet.c, the function packet_snd first reserves a
headroom of length (dev-&gt;hard_header_len + dev-&gt;needed_headroom).
Then if the socket is a SOCK_DGRAM socket, it calls dev_hard_header,
which calls dev-&gt;header_ops-&gt;create, to create the link layer header.
If the socket is a SOCK_RAW socket, it "un-reserves" a headroom of
length (dev-&gt;hard_header_len), and assumes the user to provide the
appropriate link layer header.

So according to the logic of af_packet.c, dev-&gt;hard_header_len should
be the length of the header that would be created by
dev-&gt;header_ops-&gt;create.

However, this driver doesn't provide dev-&gt;header_ops, so logically
dev-&gt;hard_header_len should be 0.

So we should use dev-&gt;needed_headroom instead of dev-&gt;hard_header_len
to request necessary headroom to be allocated.

This change fixes kernel panic when this driver is used with AF_PACKET
SOCK_RAW sockets.

Call stack when panic:

[  168.399197] skbuff: skb_under_panic: text:ffffffff819d95fb len:20
put:14 head:ffff8882704c0a00 data:ffff8882704c09fd tail:0x11 end:0xc0
dev:veth0
...
[  168.399255] Call Trace:
[  168.399259]  skb_push.cold+0x14/0x24
[  168.399262]  eth_header+0x2b/0xc0
[  168.399267]  lapbeth_data_transmit+0x9a/0xb0 [lapbether]
[  168.399275]  lapb_data_transmit+0x22/0x2c [lapb]
[  168.399277]  lapb_transmit_buffer+0x71/0xb0 [lapb]
[  168.399279]  lapb_kick+0xe3/0x1c0 [lapb]
[  168.399281]  lapb_data_request+0x76/0xc0 [lapb]
[  168.399283]  lapbeth_xmit+0x56/0x90 [lapbether]
[  168.399286]  dev_hard_start_xmit+0x91/0x1f0
[  168.399289]  ? irq_init_percpu_irqstack+0xc0/0x100
[  168.399291]  __dev_queue_xmit+0x721/0x8e0
[  168.399295]  ? packet_parse_headers.isra.0+0xd2/0x110
[  168.399297]  dev_queue_xmit+0x10/0x20
[  168.399298]  packet_sendmsg+0xbf0/0x19b0
......

Cc: Willem de Bruijn &lt;willemdebruijn.kernel@gmail.com&gt;
Cc: Martin Schiller &lt;ms@dev.tdt.de&gt;
Cc: Brian Norris &lt;briannorris@chromium.org&gt;
Signed-off-by: Xie He &lt;xie.he.0141@gmail.com&gt;
Acked-by: Willem de Bruijn &lt;willemb@google.com&gt;
Signed-off-by: David S. Miller &lt;davem@davemloft.net&gt;
Signed-off-by: Greg Kroah-Hartman &lt;gregkh@linuxfoundation.org&gt;
</pre>
</div>
</content>
</entry>
<entry>
<title>net: thunderx: initialize VF's mailbox mutex before first usage</title>
<updated>2020-08-19T06:16:21+00:00</updated>
<author>
<name>Dean Nelson</name>
<email>dnelson@redhat.com</email>
</author>
<published>2020-08-05T18:18:48+00:00</published>
<link rel='alternate' type='text/html' href='https://git.tavy.me/linux-stable.git/commit/?id=41e8b5afde8e391f00107fdf66f754d1322364ff'/>
<id>41e8b5afde8e391f00107fdf66f754d1322364ff</id>
<content type='text'>
[ Upstream commit c1055b76ad00aed0e8b79417080f212d736246b6 ]

A VF's mailbox mutex is not getting initialized by nicvf_probe() until after
it is first used. And such usage is resulting in...

[   28.270927] ------------[ cut here ]------------
[   28.270934] DEBUG_LOCKS_WARN_ON(lock-&gt;magic != lock)
[   28.270980] WARNING: CPU: 9 PID: 675 at kernel/locking/mutex.c:938 __mutex_lock+0xdac/0x12f0
[   28.270985] Modules linked in: ast(+) nicvf(+) i2c_algo_bit drm_vram_helper drm_ttm_helper ttm nicpf(+) drm_kms_helper syscopyarea sysfillrect sysimgblt fb_sys_fops drm ixgbe(+) sg thunder_bgx mdio i2c_thunderx mdio_thunder thunder_xcv mdio_cavium dm_mirror dm_region_hash dm_log dm_mod
[   28.271064] CPU: 9 PID: 675 Comm: systemd-udevd Not tainted 4.18.0+ #1
[   28.271070] Hardware name: GIGABYTE R120-T34-00/MT30-GS2-00, BIOS F02 08/06/2019
[   28.271078] pstate: 60000005 (nZCv daif -PAN -UAO)
[   28.271086] pc : __mutex_lock+0xdac/0x12f0
[   28.271092] lr : __mutex_lock+0xdac/0x12f0
[   28.271097] sp : ffff800d42146fb0
[   28.271103] x29: ffff800d42146fb0 x28: 0000000000000000
[   28.271113] x27: ffff800d24361180 x26: dfff200000000000
[   28.271122] x25: 0000000000000000 x24: 0000000000000002
[   28.271132] x23: ffff20001597cc80 x22: ffff2000139e9848
[   28.271141] x21: 0000000000000000 x20: 1ffff001a8428e0c
[   28.271151] x19: ffff200015d5d000 x18: 1ffff001ae0f2184
[   28.271160] x17: 0000000000000000 x16: 0000000000000000
[   28.271170] x15: ffff800d70790c38 x14: ffff20001597c000
[   28.271179] x13: ffff20001597cc80 x12: ffff040002b2f779
[   28.271189] x11: 1fffe40002b2f778 x10: ffff040002b2f778
[   28.271199] x9 : 0000000000000000 x8 : 00000000f1f1f1f1
[   28.271208] x7 : 00000000f2f2f2f2 x6 : 0000000000000000
[   28.271217] x5 : 1ffff001ae0f2186 x4 : 1fffe400027eb03c
[   28.271227] x3 : dfff200000000000 x2 : ffff1001a8428dbe
[   28.271237] x1 : c87fdfac7ea11d00 x0 : 0000000000000000
[   28.271246] Call trace:
[   28.271254]  __mutex_lock+0xdac/0x12f0
[   28.271261]  mutex_lock_nested+0x3c/0x50
[   28.271297]  nicvf_send_msg_to_pf+0x40/0x3a0 [nicvf]
[   28.271316]  nicvf_register_misc_interrupt+0x20c/0x328 [nicvf]
[   28.271334]  nicvf_probe+0x508/0xda0 [nicvf]
[   28.271344]  local_pci_probe+0xc4/0x180
[   28.271352]  pci_device_probe+0x3ec/0x528
[   28.271363]  driver_probe_device+0x21c/0xb98
[   28.271371]  device_driver_attach+0xe8/0x120
[   28.271379]  __driver_attach+0xe0/0x2a0
[   28.271386]  bus_for_each_dev+0x118/0x190
[   28.271394]  driver_attach+0x48/0x60
[   28.271401]  bus_add_driver+0x328/0x558
[   28.271409]  driver_register+0x148/0x398
[   28.271416]  __pci_register_driver+0x14c/0x1b0
[   28.271437]  nicvf_init_module+0x54/0x10000 [nicvf]
[   28.271447]  do_one_initcall+0x18c/0xc18
[   28.271457]  do_init_module+0x18c/0x618
[   28.271464]  load_module+0x2bc0/0x4088
[   28.271472]  __se_sys_finit_module+0x110/0x188
[   28.271479]  __arm64_sys_finit_module+0x70/0xa0
[   28.271490]  el0_svc_handler+0x15c/0x380
[   28.271496]  el0_svc+0x8/0xc
[   28.271502] irq event stamp: 52649
[   28.271513] hardirqs last  enabled at (52649): [&lt;ffff200011b4d790&gt;] _raw_spin_unlock_irqrestore+0xc0/0xd8
[   28.271522] hardirqs last disabled at (52648): [&lt;ffff200011b4d3c4&gt;] _raw_spin_lock_irqsave+0x3c/0xf0
[   28.271530] softirqs last  enabled at (52330): [&lt;ffff200010082af4&gt;] __do_softirq+0xacc/0x117c
[   28.271540] softirqs last disabled at (52313): [&lt;ffff20001019b354&gt;] irq_exit+0x3cc/0x500
[   28.271545] ---[ end trace a9b90324c8a0d4ee ]---

This problem is resolved by moving the call to mutex_init() up earlier
in nicvf_probe().

Fixes: 609ea65c65a0 ("net: thunderx: add mutex to protect mailbox from concurrent calls for same VF")
Signed-off-by: Dean Nelson &lt;dnelson@redhat.com&gt;
Signed-off-by: David S. Miller &lt;davem@davemloft.net&gt;
Signed-off-by: Sasha Levin &lt;sashal@kernel.org&gt;
</content>
<content type='xhtml'>
<div xmlns='http://www.w3.org/1999/xhtml'>
<pre>
[ Upstream commit c1055b76ad00aed0e8b79417080f212d736246b6 ]

A VF's mailbox mutex is not getting initialized by nicvf_probe() until after
it is first used. And such usage is resulting in...

[   28.270927] ------------[ cut here ]------------
[   28.270934] DEBUG_LOCKS_WARN_ON(lock-&gt;magic != lock)
[   28.270980] WARNING: CPU: 9 PID: 675 at kernel/locking/mutex.c:938 __mutex_lock+0xdac/0x12f0
[   28.270985] Modules linked in: ast(+) nicvf(+) i2c_algo_bit drm_vram_helper drm_ttm_helper ttm nicpf(+) drm_kms_helper syscopyarea sysfillrect sysimgblt fb_sys_fops drm ixgbe(+) sg thunder_bgx mdio i2c_thunderx mdio_thunder thunder_xcv mdio_cavium dm_mirror dm_region_hash dm_log dm_mod
[   28.271064] CPU: 9 PID: 675 Comm: systemd-udevd Not tainted 4.18.0+ #1
[   28.271070] Hardware name: GIGABYTE R120-T34-00/MT30-GS2-00, BIOS F02 08/06/2019
[   28.271078] pstate: 60000005 (nZCv daif -PAN -UAO)
[   28.271086] pc : __mutex_lock+0xdac/0x12f0
[   28.271092] lr : __mutex_lock+0xdac/0x12f0
[   28.271097] sp : ffff800d42146fb0
[   28.271103] x29: ffff800d42146fb0 x28: 0000000000000000
[   28.271113] x27: ffff800d24361180 x26: dfff200000000000
[   28.271122] x25: 0000000000000000 x24: 0000000000000002
[   28.271132] x23: ffff20001597cc80 x22: ffff2000139e9848
[   28.271141] x21: 0000000000000000 x20: 1ffff001a8428e0c
[   28.271151] x19: ffff200015d5d000 x18: 1ffff001ae0f2184
[   28.271160] x17: 0000000000000000 x16: 0000000000000000
[   28.271170] x15: ffff800d70790c38 x14: ffff20001597c000
[   28.271179] x13: ffff20001597cc80 x12: ffff040002b2f779
[   28.271189] x11: 1fffe40002b2f778 x10: ffff040002b2f778
[   28.271199] x9 : 0000000000000000 x8 : 00000000f1f1f1f1
[   28.271208] x7 : 00000000f2f2f2f2 x6 : 0000000000000000
[   28.271217] x5 : 1ffff001ae0f2186 x4 : 1fffe400027eb03c
[   28.271227] x3 : dfff200000000000 x2 : ffff1001a8428dbe
[   28.271237] x1 : c87fdfac7ea11d00 x0 : 0000000000000000
[   28.271246] Call trace:
[   28.271254]  __mutex_lock+0xdac/0x12f0
[   28.271261]  mutex_lock_nested+0x3c/0x50
[   28.271297]  nicvf_send_msg_to_pf+0x40/0x3a0 [nicvf]
[   28.271316]  nicvf_register_misc_interrupt+0x20c/0x328 [nicvf]
[   28.271334]  nicvf_probe+0x508/0xda0 [nicvf]
[   28.271344]  local_pci_probe+0xc4/0x180
[   28.271352]  pci_device_probe+0x3ec/0x528
[   28.271363]  driver_probe_device+0x21c/0xb98
[   28.271371]  device_driver_attach+0xe8/0x120
[   28.271379]  __driver_attach+0xe0/0x2a0
[   28.271386]  bus_for_each_dev+0x118/0x190
[   28.271394]  driver_attach+0x48/0x60
[   28.271401]  bus_add_driver+0x328/0x558
[   28.271409]  driver_register+0x148/0x398
[   28.271416]  __pci_register_driver+0x14c/0x1b0
[   28.271437]  nicvf_init_module+0x54/0x10000 [nicvf]
[   28.271447]  do_one_initcall+0x18c/0xc18
[   28.271457]  do_init_module+0x18c/0x618
[   28.271464]  load_module+0x2bc0/0x4088
[   28.271472]  __se_sys_finit_module+0x110/0x188
[   28.271479]  __arm64_sys_finit_module+0x70/0xa0
[   28.271490]  el0_svc_handler+0x15c/0x380
[   28.271496]  el0_svc+0x8/0xc
[   28.271502] irq event stamp: 52649
[   28.271513] hardirqs last  enabled at (52649): [&lt;ffff200011b4d790&gt;] _raw_spin_unlock_irqrestore+0xc0/0xd8
[   28.271522] hardirqs last disabled at (52648): [&lt;ffff200011b4d3c4&gt;] _raw_spin_lock_irqsave+0x3c/0xf0
[   28.271530] softirqs last  enabled at (52330): [&lt;ffff200010082af4&gt;] __do_softirq+0xacc/0x117c
[   28.271540] softirqs last disabled at (52313): [&lt;ffff20001019b354&gt;] irq_exit+0x3cc/0x500
[   28.271545] ---[ end trace a9b90324c8a0d4ee ]---

This problem is resolved by moving the call to mutex_init() up earlier
in nicvf_probe().

Fixes: 609ea65c65a0 ("net: thunderx: add mutex to protect mailbox from concurrent calls for same VF")
Signed-off-by: Dean Nelson &lt;dnelson@redhat.com&gt;
Signed-off-by: David S. Miller &lt;davem@davemloft.net&gt;
Signed-off-by: Sasha Levin &lt;sashal@kernel.org&gt;
</pre>
</div>
</content>
</entry>
<entry>
<title>fsl/fman: fix eth hash table allocation</title>
<updated>2020-08-19T06:16:21+00:00</updated>
<author>
<name>Florinel Iordache</name>
<email>florinel.iordache@nxp.com</email>
</author>
<published>2020-08-03T07:07:34+00:00</published>
<link rel='alternate' type='text/html' href='https://git.tavy.me/linux-stable.git/commit/?id=3084ecb023578ed999aba7316f5630bf85a1d14b'/>
<id>3084ecb023578ed999aba7316f5630bf85a1d14b</id>
<content type='text'>
[ Upstream commit 3207f715c34317d08e798e11a10ce816feb53c0f ]

Fix memory allocation for ethernet address hash table.
The code was wrongly allocating an array for eth hash table which
is incorrect because this is the main structure for eth hash table
(struct eth_hash_t) that contains inside a number of elements.

Fixes: 57ba4c9b56d8 ("fsl/fman: Add FMan MAC support")
Signed-off-by: Florinel Iordache &lt;florinel.iordache@nxp.com&gt;
Signed-off-by: David S. Miller &lt;davem@davemloft.net&gt;
Signed-off-by: Sasha Levin &lt;sashal@kernel.org&gt;
</content>
<content type='xhtml'>
<div xmlns='http://www.w3.org/1999/xhtml'>
<pre>
[ Upstream commit 3207f715c34317d08e798e11a10ce816feb53c0f ]

Fix memory allocation for ethernet address hash table.
The code was wrongly allocating an array for eth hash table which
is incorrect because this is the main structure for eth hash table
(struct eth_hash_t) that contains inside a number of elements.

Fixes: 57ba4c9b56d8 ("fsl/fman: Add FMan MAC support")
Signed-off-by: Florinel Iordache &lt;florinel.iordache@nxp.com&gt;
Signed-off-by: David S. Miller &lt;davem@davemloft.net&gt;
Signed-off-by: Sasha Levin &lt;sashal@kernel.org&gt;
</pre>
</div>
</content>
</entry>
<entry>
<title>fsl/fman: check dereferencing null pointer</title>
<updated>2020-08-19T06:16:20+00:00</updated>
<author>
<name>Florinel Iordache</name>
<email>florinel.iordache@nxp.com</email>
</author>
<published>2020-08-03T07:07:33+00:00</published>
<link rel='alternate' type='text/html' href='https://git.tavy.me/linux-stable.git/commit/?id=2997cea07f9e3085d3bcfe2352b7d51442973aed'/>
<id>2997cea07f9e3085d3bcfe2352b7d51442973aed</id>
<content type='text'>
[ Upstream commit cc5d229a122106733a85c279d89d7703f21e4d4f ]

Add a safe check to avoid dereferencing null pointer

Fixes: 57ba4c9b56d8 ("fsl/fman: Add FMan MAC support")
Signed-off-by: Florinel Iordache &lt;florinel.iordache@nxp.com&gt;
Signed-off-by: David S. Miller &lt;davem@davemloft.net&gt;
Signed-off-by: Sasha Levin &lt;sashal@kernel.org&gt;
</content>
<content type='xhtml'>
<div xmlns='http://www.w3.org/1999/xhtml'>
<pre>
[ Upstream commit cc5d229a122106733a85c279d89d7703f21e4d4f ]

Add a safe check to avoid dereferencing null pointer

Fixes: 57ba4c9b56d8 ("fsl/fman: Add FMan MAC support")
Signed-off-by: Florinel Iordache &lt;florinel.iordache@nxp.com&gt;
Signed-off-by: David S. Miller &lt;davem@davemloft.net&gt;
Signed-off-by: Sasha Levin &lt;sashal@kernel.org&gt;
</pre>
</div>
</content>
</entry>
</feed>
