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tg3_tso_bug() drops a packet if it cannot be segmented for any reason.
The number of discarded frames should be incremented accordingly.
Signed-off-by: Alex Pakhunov <alexey.pakhunov@spacex.com>
Signed-off-by: Vincent Wong <vincent.wong2@spacex.com>
Reviewed-by: Pavan Chebbi <pavan.chebbi@broadcom.com>
Link: https://lore.kernel.org/r/20231113182350.37472-2-alexey.pakhunov@spacex.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
This change moves [rt]x_dropped counters to tg3_napi so that they can be
updated by a single writer, race-free.
Signed-off-by: Alex Pakhunov <alexey.pakhunov@spacex.com>
Signed-off-by: Vincent Wong <vincent.wong2@spacex.com>
Reviewed-by: Michael Chan <michael.chan@broadcom.com>
Link: https://lore.kernel.org/r/20231113182350.37472-1-alexey.pakhunov@spacex.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
dma_rx_size can be set as low as 64. Rx budget might be higher than
that. Make sure to not overrun allocated rx buffers when budget is
larger.
Leave one descriptor unused to avoid wrap around of 'dirty_rx' vs
'cur_rx'.
Signed-off-by: Baruch Siach <baruch@tkos.co.il>
Reviewed-by: Serge Semin <fancer.lancer@gmail.com>
Fixes: 47dd7a540b8a ("net: add support for STMicroelectronics Ethernet controllers.")
Link: https://lore.kernel.org/r/d95413e44c97d4692e72cec13a75f894abeb6998.1699897370.git.baruch@tkos.co.il
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
The while loop condition verifies 'count < limit'. Neither value change
before the 'count >= limit' check. As is this check is dead code. But
code inspection reveals a code path that modifies 'count' and then goto
'drain_data' and back to 'read_again'. So there is a need to verify
count value sanity after 'read_again'.
Move 'read_again' up to fix the count limit check.
Fixes: ec222003bd94 ("net: stmmac: Prepare to add Split Header support")
Signed-off-by: Baruch Siach <baruch@tkos.co.il>
Reviewed-by: Serge Semin <fancer.lancer@gmail.com>
Link: https://lore.kernel.org/r/d9486296c3b6b12ab3a0515fcd47d56447a07bfc.1699897370.git.baruch@tkos.co.il
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
ChunHao Lin says:
====================
r8169: fix DASH devices network lost issue
This series are used to fix network lost issue on systems that support
DASH. It has been tested on rtl8168ep and rtl8168fp.
====================
Link: https://lore.kernel.org/r/20231109173400.4573-1-hau@realtek.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Device that support DASH may be reseted or powered off during suspend.
So driver needs to handle DASH during system suspend and resume. Or
DASH firmware will influence device behavior and causes network lost.
Fixes: b646d90053f8 ("r8169: magic.")
Cc: stable@vger.kernel.org
Reviewed-by: Heiner Kallweit <hkallweit1@gmail.com>
Signed-off-by: ChunHao Lin <hau@realtek.com>
Link: https://lore.kernel.org/r/20231109173400.4573-3-hau@realtek.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
For devices that support DASH, even DASH is disabled, there may still
exist a default firmware that will influence device behavior.
So driver needs to handle DASH for devices that support DASH, no
matter the DASH status is.
This patch also prepares for "fix network lost after resume on DASH
systems".
Fixes: ee7a1beb9759 ("r8169:call "rtl8168_driver_start" "rtl8168_driver_stop" only when hardware dash function is enabled")
Cc: stable@vger.kernel.org
Signed-off-by: ChunHao Lin <hau@realtek.com>
Reviewed-by: Heiner Kallweit <hkallweit1@gmail.com>
Link: https://lore.kernel.org/r/20231109173400.4573-2-hau@realtek.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Linus Walleij says:
====================
Fix large frames in the Gemini ethernet driver
This is the result of a bug hunt for a problem with the
RTL8366RB DSA switch leading me wrong all over the place.
I am indebted to Vladimir Oltean who as usual pointed
out where the real problem was, many thanks!
Tryig to actually use big ("jumbo") frames on this
hardware uncovered the real bugs. Then I tested it on
the DSA switch and it indeed fixes the issue.
To make sure it also works fine with big frames on
non-DSA devices I also copied a large video file over
scp to a device with maximum frame size, the data
was transported in large TCP packets ending up in
0x7ff sized frames using software checksumming at
~2.0 MB/s.
If I set down the MTU to the standard 1500 bytes so
that hardware checksumming is used, the scp transfer
of the same file was slightly lower, ~1.8-1.9 MB/s.
Despite this not being the best test it shows that
we can now stress the hardware with large frames
and that software checksum works fine.
v3: https://lore.kernel.org/r/20231107-gemini-largeframe-fix-v3-0-e3803c080b75@linaro.org
v2: https://lore.kernel.org/r/20231105-gemini-largeframe-fix-v2-0-cd3a5aa6c496@linaro.org
v1: https://lore.kernel.org/r/20231104-gemini-largeframe-fix-v1-0-9c5513f22f33@linaro.org
====================
Link: https://lore.kernel.org/r/20231109-gemini-largeframe-fix-v4-0-6e611528db08@linaro.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
The RX max frame size is over 10000 for the Gemini ethernet,
but the TX max frame size is actually just 2047 (0x7ff after
checking the datasheet). Reflect this in what we offer to Linux,
cap the MTU at the TX max frame minus ethernet headers.
We delete the code disabling the hardware checksum for large
MTUs as netdev->mtu can no longer be larger than
netdev->max_mtu meaning the if()-clause in gmac_fix_features()
is never true.
Fixes: 4d5ae32f5e1e ("net: ethernet: Add a driver for Gemini gigabit ethernet")
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Reviewed-by: Vladimir Oltean <olteanv@gmail.com>
Link: https://lore.kernel.org/r/20231109-gemini-largeframe-fix-v4-3-6e611528db08@linaro.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
The Gemini ethernet controller provides hardware checksumming
for frames up to 1514 bytes including ethernet headers but not
FCS.
If we start sending bigger frames (after first bumping up the MTU
on both interfaces sending and receiving the frames), truncated
packets start to appear on the target such as in this tcpdump
resulting from ping -s 1474:
23:34:17.241983 14:d6:4d:a8:3c:4f (oui Unknown) > bc:ae:c5:6b:a8:3d (oui Unknown),
ethertype IPv4 (0x0800), length 1514: truncated-ip - 2 bytes missing!
(tos 0x0, ttl 64, id 32653, offset 0, flags [DF], proto ICMP (1), length 1502)
OpenWrt.lan > Fecusia: ICMP echo request, id 1672, seq 50, length 1482
If we bypass the hardware checksumming and provide a software
fallback, everything starts working fine up to the max TX MTU
of 2047 bytes, for example ping -s2000 192.168.1.2:
00:44:29.587598 bc:ae:c5:6b:a8:3d (oui Unknown) > 14:d6:4d:a8:3c:4f (oui Unknown),
ethertype IPv4 (0x0800), length 2042:
(tos 0x0, ttl 64, id 51828, offset 0, flags [none], proto ICMP (1), length 2028)
Fecusia > OpenWrt.lan: ICMP echo reply, id 1683, seq 4, length 2008
The bit enabling to bypass hardware checksum (or any of the
"TSS" bits) are undocumented in the hardware reference manual.
The entire hardware checksum unit appears undocumented. The
conclusion that we need to use the "bypass" bit was found by
trial-and-error.
Since no hardware checksum will happen, we slot in a software
checksum fallback.
Check for the condition where we need to compute checksum on the
skb with either hardware or software using == CHECKSUM_PARTIAL instead
of != CHECKSUM_NONE which is an incomplete check according to
<linux/skbuff.h>.
On the D-Link DIR-685 router this fixes a bug on the conduit
interface to the RTL8366RB DSA switch: as the switch needs to add
space for its tag it increases the MTU on the conduit interface
to 1504 and that means that when the router sends packages
of 1500 bytes these get an extra 4 bytes of DSA tag and the
transfer fails because of the erroneous hardware checksumming,
affecting such basic functionality as the LuCI web interface.
Fixes: 4d5ae32f5e1e ("net: ethernet: Add a driver for Gemini gigabit ethernet")
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Reviewed-by: Vladimir Oltean <olteanv@gmail.com>
Link: https://lore.kernel.org/r/20231109-gemini-largeframe-fix-v4-2-6e611528db08@linaro.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Enumerator 3 is 1548 bytes according to the datasheet.
Not 1542.
Fixes: 4d5ae32f5e1e ("net: ethernet: Add a driver for Gemini gigabit ethernet")
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Reviewed-by: Vladimir Oltean <olteanv@gmail.com>
Link: https://lore.kernel.org/r/20231109-gemini-largeframe-fix-v4-1-6e611528db08@linaro.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
As I was working on a syzbot report, I found that KCSAN would
probably complain that reading q->head or q->tail without
barriers could lead to invalid results.
Add corresponding READ_ONCE() and WRITE_ONCE() to avoid
load-store tearing.
Fixes: d94ba80ebbea ("ptp: Added a brand new class driver for ptp clocks.")
Signed-off-by: Eric Dumazet <edumazet@google.com>
Acked-by: Richard Cochran <richardcochran@gmail.com>
Link: https://lore.kernel.org/r/20231109174859.3995880-1-edumazet@google.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
This reverts commit 8a4f030dbced6fc255cbe67b2d0a129947e18493.
Richard says:
The test itself is harmless, but keeping it will make people think,
"oh this pointer can be invalid."
In fact the core stack ensures that ioctl() can't be invoked after
release(), otherwise Bad Stuff happens.
Fixes: 8a4f030dbced ("ptp: Fixes a null pointer dereference in ptp_ioctl")
Link: https://lore.kernel.org/all/ZVAf_qdRfDAQYUt-@hoboy.vegasvil.org/
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
ppp_sync_ioctl allows setting device MRU, but does not sanity check
this input.
Limit to a sane upper bound of 64KB.
No implementation I could find generates larger than 64KB frames.
RFC 2823 mentions an upper bound of PPP over SDL of 64KB based on the
16-bit length field. Other protocols will be smaller, such as PPPoE
(9KB jumbo frame) and PPPoA (18190 maximum CPCS-SDU size, RFC 2364).
PPTP and L2TP encapsulate in IP.
Syzbot managed to trigger alloc warning in __alloc_pages:
if (WARN_ON_ONCE_GFP(order > MAX_ORDER, gfp))
WARNING: CPU: 1 PID: 37 at mm/page_alloc.c:4544 __alloc_pages+0x3ab/0x4a0 mm/page_alloc.c:4544
__alloc_skb+0x12b/0x330 net/core/skbuff.c:651
__netdev_alloc_skb+0x72/0x3f0 net/core/skbuff.c:715
netdev_alloc_skb include/linux/skbuff.h:3225 [inline]
dev_alloc_skb include/linux/skbuff.h:3238 [inline]
ppp_sync_input drivers/net/ppp/ppp_synctty.c:669 [inline]
ppp_sync_receive+0xff/0x680 drivers/net/ppp/ppp_synctty.c:334
tty_ldisc_receive_buf+0x14c/0x180 drivers/tty/tty_buffer.c:390
tty_port_default_receive_buf+0x70/0xb0 drivers/tty/tty_port.c:37
receive_buf drivers/tty/tty_buffer.c:444 [inline]
flush_to_ldisc+0x261/0x780 drivers/tty/tty_buffer.c:494
process_one_work+0x884/0x15c0 kernel/workqueue.c:2630
With call
ioctl$PPPIOCSMRU1(r1, 0x40047452, &(0x7f0000000100)=0x5e6417a8)
Similar code exists in other drivers that implement ppp_channel_ops
ioctl PPPIOCSMRU. Those might also be in scope. Notably excluded from
this are pppol2tp_ioctl and pppoe_ioctl.
This code goes back to the start of git history.
Fixes: 1da177e4c3f4 ("Linux-2.6.12-rc2")
Reported-by: syzbot+6177e1f90d92583bcc58@syzkaller.appspotmail.com
Signed-off-by: Willem de Bruijn <willemb@google.com>
Reviewed-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
KMSAN reported the following kernel-infoleak issue:
=====================================================
BUG: KMSAN: kernel-infoleak in instrument_copy_to_user include/linux/instrumented.h:114 [inline]
BUG: KMSAN: kernel-infoleak in copy_to_user_iter lib/iov_iter.c:24 [inline]
BUG: KMSAN: kernel-infoleak in iterate_ubuf include/linux/iov_iter.h:29 [inline]
BUG: KMSAN: kernel-infoleak in iterate_and_advance2 include/linux/iov_iter.h:245 [inline]
BUG: KMSAN: kernel-infoleak in iterate_and_advance include/linux/iov_iter.h:271 [inline]
BUG: KMSAN: kernel-infoleak in _copy_to_iter+0x4ec/0x2bc0 lib/iov_iter.c:186
instrument_copy_to_user include/linux/instrumented.h:114 [inline]
copy_to_user_iter lib/iov_iter.c:24 [inline]
iterate_ubuf include/linux/iov_iter.h:29 [inline]
iterate_and_advance2 include/linux/iov_iter.h:245 [inline]
iterate_and_advance include/linux/iov_iter.h:271 [inline]
_copy_to_iter+0x4ec/0x2bc0 lib/iov_iter.c:186
copy_to_iter include/linux/uio.h:197 [inline]
simple_copy_to_iter net/core/datagram.c:532 [inline]
__skb_datagram_iter.5+0x148/0xe30 net/core/datagram.c:420
skb_copy_datagram_iter+0x52/0x210 net/core/datagram.c:546
skb_copy_datagram_msg include/linux/skbuff.h:3960 [inline]
netlink_recvmsg+0x43d/0x1630 net/netlink/af_netlink.c:1967
sock_recvmsg_nosec net/socket.c:1044 [inline]
sock_recvmsg net/socket.c:1066 [inline]
__sys_recvfrom+0x476/0x860 net/socket.c:2246
__do_sys_recvfrom net/socket.c:2264 [inline]
__se_sys_recvfrom net/socket.c:2260 [inline]
__x64_sys_recvfrom+0x130/0x200 net/socket.c:2260
do_syscall_x64 arch/x86/entry/common.c:51 [inline]
do_syscall_64+0x44/0x110 arch/x86/entry/common.c:82
entry_SYSCALL_64_after_hwframe+0x63/0x6b
Uninit was created at:
slab_post_alloc_hook+0x103/0x9e0 mm/slab.h:768
slab_alloc_node mm/slub.c:3478 [inline]
kmem_cache_alloc_node+0x5f7/0xb50 mm/slub.c:3523
kmalloc_reserve+0x13c/0x4a0 net/core/skbuff.c:560
__alloc_skb+0x2fd/0x770 net/core/skbuff.c:651
alloc_skb include/linux/skbuff.h:1286 [inline]
tipc_tlv_alloc net/tipc/netlink_compat.c:156 [inline]
tipc_get_err_tlv+0x90/0x5d0 net/tipc/netlink_compat.c:170
tipc_nl_compat_recv+0x1042/0x15d0 net/tipc/netlink_compat.c:1324
genl_family_rcv_msg_doit net/netlink/genetlink.c:972 [inline]
genl_family_rcv_msg net/netlink/genetlink.c:1052 [inline]
genl_rcv_msg+0x1220/0x12c0 net/netlink/genetlink.c:1067
netlink_rcv_skb+0x4a4/0x6a0 net/netlink/af_netlink.c:2545
genl_rcv+0x41/0x60 net/netlink/genetlink.c:1076
netlink_unicast_kernel net/netlink/af_netlink.c:1342 [inline]
netlink_unicast+0xf4b/0x1230 net/netlink/af_netlink.c:1368
netlink_sendmsg+0x1242/0x1420 net/netlink/af_netlink.c:1910
sock_sendmsg_nosec net/socket.c:730 [inline]
__sock_sendmsg net/socket.c:745 [inline]
____sys_sendmsg+0x997/0xd60 net/socket.c:2588
___sys_sendmsg+0x271/0x3b0 net/socket.c:2642
__sys_sendmsg net/socket.c:2671 [inline]
__do_sys_sendmsg net/socket.c:2680 [inline]
__se_sys_sendmsg net/socket.c:2678 [inline]
__x64_sys_sendmsg+0x2fa/0x4a0 net/socket.c:2678
do_syscall_x64 arch/x86/entry/common.c:51 [inline]
do_syscall_64+0x44/0x110 arch/x86/entry/common.c:82
entry_SYSCALL_64_after_hwframe+0x63/0x6b
Bytes 34-35 of 36 are uninitialized
Memory access of size 36 starts at ffff88802d464a00
Data copied to user address 00007ff55033c0a0
CPU: 0 PID: 30322 Comm: syz-executor.0 Not tainted 6.6.0-14500-g1c41041124bd #10
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.16.2-1.fc38 04/01/2014
=====================================================
tipc_add_tlv() puts TLV descriptor and value onto `skb`. This size is
calculated with TLV_SPACE() macro. It adds the size of struct tlv_desc and
the length of TLV value passed as an argument, and aligns the result to a
multiple of TLV_ALIGNTO, i.e., a multiple of 4 bytes.
If the size of struct tlv_desc plus the length of TLV value is not aligned,
the current implementation leaves the remaining bytes uninitialized. This
is the cause of the above kernel-infoleak issue.
This patch resolves this issue by clearing data up to an aligned size.
Fixes: d0796d1ef63d ("tipc: convert legacy nl bearer dump to nl compat")
Signed-off-by: Shigeru Yoshida <syoshida@redhat.com>
Reviewed-by: Simon Horman <horms@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
The test allocs a single page to hold all the frag_list skbs. This
is insufficient on kernels with CONFIG_MAX_SKB_FRAGS=45, due to the
increased skb_shared_info frags[] array length.
gso_test_func: ASSERTION FAILED at net/core/gso_test.c:210
Expected alloc_size <= ((1UL) << 12), but
alloc_size == 5075 (0x13d3)
((1UL) << 12) == 4096 (0x1000)
Simplify the logic. Just allocate a page for each frag_list skb.
Fixes: 4688ecb1385f ("net: expand skb_segment unit test with frag_list coverage")
Signed-off-by: Willem de Bruijn <willemb@google.com>
Reviewed-by: Simon Horman <horms@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
The quotes symbol in
"EEE "link partner ability 1
should be at the end of the register name
"EEE link partner ability 1"
Signed-off-by: Marek Behún <kabel@kernel.org>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: David S. Miller <davem@davemloft.net>
Add record for TI Industrial Communication Subsystem - Gigabit (ICSSG)
Ethernet driver.
Also add Roger and myself as maintainer.
Signed-off-by: MD Danish Anwar <danishanwar@ti.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Jijie Shao says:
====================
There are some bugfix for the HNS3 ethernet driver
There are some bugfix for the HNS3 ethernet driver
---
ChangeLog:
v1 -> v2:
- net: hns3: fix add VLAN fail issue, net: hns3: fix VF reset fail issue
are modified suggested by Paolo
v1: https://lore.kernel.org/all/20231028025917.314305-1-shaojijie@huawei.com/
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
If PF is down, firmware will returns 10 Mbit/s rate and half-duplex mode
when PF queries the port information from firmware.
After imp reset command is executed, PF status changes to down,
and PF will query link status and updates port information
from firmware in a periodic scheduled task.
However, there is a low probability that port information is updated
when PF is down, and then PF link status changes to up.
In this case, PF synchronizes incorrect rate and duplex mode to VF.
This patch fixes it by updating port information before
PF synchronizes the rate and duplex to the VF
when PF changes to up.
Fixes: 18b6e31f8bf4 ("net: hns3: PF add support for pushing link status to VFs")
Signed-off-by: Jijie Shao <shaojijie@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Currently the reset process in hns3 and firmware watchdog init process is
asynchronous. We think firmware watchdog initialization is completed
before VF clear the interrupt source. However, firmware initialization
may not complete early. So VF will receive multiple reset interrupts
and fail to reset.
So we add delay before VF interrupt source and 5 ms delay
is enough to avoid second reset interrupt.
Fixes: 427900d27d86 ("net: hns3: fix the timing issue of VF clearing interrupt sources")
Signed-off-by: Jijie Shao <shaojijie@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
When a VF is calling hns3_init_mac_addr(), get_mac_addr() may
return fail, then the value of mac_addr_temp is not initialized.
Fixes: 76ad4f0ee747 ("net: hns3: Add support of HNS3 Ethernet Driver for hip08 SoC")
Signed-off-by: Yonglong Liu <liuyonglong@huawei.com>
Signed-off-by: Jijie Shao <shaojijie@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
The hns3 driver define an array of string to show the coalesce
info, but if the kernel adds a new mode or a new state,
out-of-bounds access may occur when coalesce info is read via
debugfs, this patch fix the problem.
Fixes: c99fead7cb07 ("net: hns3: add debugfs support for interrupt coalesce")
Signed-off-by: Yonglong Liu <liuyonglong@huawei.com>
Signed-off-by: Jijie Shao <shaojijie@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Currently, the FEC capability bit is default set for device version V2.
It's incorrect for the copper port. Eventhough it doesn't make the nic
work abnormal, but the capability information display in debugfs may
confuse user. So clear it when driver get the port type inforamtion.
Fixes: 433ccce83504 ("net: hns3: use FEC capability queried from firmware")
Signed-off-by: Jian Shen <shenjian15@huawei.com>
Signed-off-by: Jijie Shao <shaojijie@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
In hclgevf_mbx_handler() and hclgevf_get_mbx_resp() functions,
there is a typical store-store and load-load scenario between
received_resp and additional_info. This patch adds barrier
to fix the problem.
Fixes: 4671042f1ef0 ("net: hns3: add match_id to check mailbox response from PF to VF")
Signed-off-by: Yonglong Liu <liuyonglong@huawei.com>
Signed-off-by: Jijie Shao <shaojijie@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
The hclge_sync_vlan_filter is called in periodic task,
trying to remove VLAN from vlan_del_fail_bmap. It can
be concurrence with VLAN adding operation from user.
So once user failed to delete a VLAN id, and add it
again soon, it may be removed by the periodic task,
which may cause the software configuration being
inconsistent with hardware. So add mutex handling
to avoid this.
user hns3 driver
periodic task
│
add vlan 10 ───── hns3_vlan_rx_add_vid │
│ (suppose success) │
│ │
del vlan 10 ───── hns3_vlan_rx_kill_vid │
│ (suppose fail,add to │
│ vlan_del_fail_bmap) │
│ │
add vlan 10 ───── hns3_vlan_rx_add_vid │
(suppose success) │
foreach vlan_del_fail_bmp
del vlan 10
Fixes: fe4144d47eef ("net: hns3: sync VLAN filter entries when kill VLAN ID failed")
Signed-off-by: Jian Shen <shenjian15@huawei.com>
Signed-off-by: Jijie Shao <shaojijie@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
We were just continuing in this case, surely not desired.
Fixes: 128d5874c082 ("net: ti: icssg-prueth: Add ICSSG ethernet driver")
Signed-off-by: Jan Kiszka <jan.kiszka@siemens.com>
Reviewed-by: Wojciech Drewek <wojciech.drewek@intel.com>
Reviewed-by: Roger Quadros <rogerq@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
Analogously to prueth_remove, just also taking care for NULL'ing the
iep pointers.
Fixes: 186734c15886 ("net: ti: icssg-prueth: add packet timestamping and ptp support")
Fixes: 443a2367ba3c ("net: ti: icssg-prueth: am65x SR2.0 add 10M full duplex support")
Signed-off-by: Jan Kiszka <jan.kiszka@siemens.com>
Reviewed-by: Wojciech Drewek <wojciech.drewek@intel.com>
Reviewed-by: MD Danish Anwar <danishanwar@ti.com>
Reviewed-by: Roger Quadros <rogerq@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
KMSAN reported the following uninit-value access issue:
=====================================================
BUG: KMSAN: uninit-value in ppp_sync_input drivers/net/ppp/ppp_synctty.c:690 [inline]
BUG: KMSAN: uninit-value in ppp_sync_receive+0xdc9/0xe70 drivers/net/ppp/ppp_synctty.c:334
ppp_sync_input drivers/net/ppp/ppp_synctty.c:690 [inline]
ppp_sync_receive+0xdc9/0xe70 drivers/net/ppp/ppp_synctty.c:334
tiocsti+0x328/0x450 drivers/tty/tty_io.c:2295
tty_ioctl+0x808/0x1920 drivers/tty/tty_io.c:2694
vfs_ioctl fs/ioctl.c:51 [inline]
__do_sys_ioctl fs/ioctl.c:871 [inline]
__se_sys_ioctl+0x211/0x400 fs/ioctl.c:857
__x64_sys_ioctl+0x97/0xe0 fs/ioctl.c:857
do_syscall_x64 arch/x86/entry/common.c:51 [inline]
do_syscall_64+0x44/0x110 arch/x86/entry/common.c:82
entry_SYSCALL_64_after_hwframe+0x63/0x6b
Uninit was created at:
__alloc_pages+0x75d/0xe80 mm/page_alloc.c:4591
__alloc_pages_node include/linux/gfp.h:238 [inline]
alloc_pages_node include/linux/gfp.h:261 [inline]
__page_frag_cache_refill+0x9a/0x2c0 mm/page_alloc.c:4691
page_frag_alloc_align+0x91/0x5d0 mm/page_alloc.c:4722
page_frag_alloc include/linux/gfp.h:322 [inline]
__netdev_alloc_skb+0x215/0x6d0 net/core/skbuff.c:728
netdev_alloc_skb include/linux/skbuff.h:3225 [inline]
dev_alloc_skb include/linux/skbuff.h:3238 [inline]
ppp_sync_input drivers/net/ppp/ppp_synctty.c:669 [inline]
ppp_sync_receive+0x237/0xe70 drivers/net/ppp/ppp_synctty.c:334
tiocsti+0x328/0x450 drivers/tty/tty_io.c:2295
tty_ioctl+0x808/0x1920 drivers/tty/tty_io.c:2694
vfs_ioctl fs/ioctl.c:51 [inline]
__do_sys_ioctl fs/ioctl.c:871 [inline]
__se_sys_ioctl+0x211/0x400 fs/ioctl.c:857
__x64_sys_ioctl+0x97/0xe0 fs/ioctl.c:857
do_syscall_x64 arch/x86/entry/common.c:51 [inline]
do_syscall_64+0x44/0x110 arch/x86/entry/common.c:82
entry_SYSCALL_64_after_hwframe+0x63/0x6b
CPU: 0 PID: 12950 Comm: syz-executor.1 Not tainted 6.6.0-14500-g1c41041124bd #10
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.16.2-1.fc38 04/01/2014
=====================================================
ppp_sync_input() checks the first 2 bytes of the data are PPP_ALLSTATIONS
and PPP_UI. However, if the data length is 1 and the first byte is
PPP_ALLSTATIONS, an access to an uninitialized value occurs when checking
PPP_UI. This patch resolves this issue by checking the data length.
Fixes: 1da177e4c3f4 ("Linux-2.6.12-rc2")
Signed-off-by: Shigeru Yoshida <syoshida@redhat.com>
Reviewed-by: Simon Horman <horms@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
Grygorii is no longer associated with TI and messages addressed to
him bounce.
Add Siddharth, Roger and myself as reviewers.
Signed-off-by: Ravi Gunasekaran <r-gunasekaran@ti.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
We've started to see the following kernel traces:
WARNING: CPU: 83 PID: 0 at net/core/filter.c:6641 sk_lookup+0x1bd/0x1d0
Call Trace:
<IRQ>
__bpf_skc_lookup+0x10d/0x120
bpf_sk_lookup+0x48/0xd0
bpf_sk_lookup_tcp+0x19/0x20
bpf_prog_<redacted>+0x37c/0x16a3
cls_bpf_classify+0x205/0x2e0
tcf_classify+0x92/0x160
__netif_receive_skb_core+0xe52/0xf10
__netif_receive_skb_list_core+0x96/0x2b0
napi_complete_done+0x7b5/0xb70
<redacted>_poll+0x94/0xb0
net_rx_action+0x163/0x1d70
__do_softirq+0xdc/0x32e
asm_call_irq_on_stack+0x12/0x20
</IRQ>
do_softirq_own_stack+0x36/0x50
do_softirq+0x44/0x70
__inet_hash can race with lockless (rcu) readers on the other cpus:
__inet_hash
__sk_nulls_add_node_rcu
<- (bpf triggers here)
sock_set_flag(SOCK_RCU_FREE)
Let's move the SOCK_RCU_FREE part up a bit, before we are inserting
the socket into hashtables. Note, that the race is really harmless;
the bpf callers are handling this situation (where listener socket
doesn't have SOCK_RCU_FREE set) correctly, so the only
annoyance is a WARN_ONCE.
More details from Eric regarding SOCK_RCU_FREE timeline:
Commit 3b24d854cb35 ("tcp/dccp: do not touch listener sk_refcnt under
synflood") added SOCK_RCU_FREE. At that time, the precise location of
sock_set_flag(sk, SOCK_RCU_FREE) did not matter, because the thread calling
__inet_hash() owns a reference on sk. SOCK_RCU_FREE was only tested
at dismantle time.
Commit 6acc9b432e67 ("bpf: Add helper to retrieve socket in BPF")
started checking SOCK_RCU_FREE _after_ the lookup to infer whether
the refcount has been taken care of.
Fixes: 6acc9b432e67 ("bpf: Add helper to retrieve socket in BPF")
Reviewed-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: Stanislav Fomichev <sdf@google.com>
Reviewed-by: Kuniyuki Iwashima <kuniyu@amazon.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Syzkaller found a null pointer dereference in ptp_ioctl
originating from the lack of a null check for tsevq.
```
general protection fault, probably for non-canonical
address 0xdffffc000000020b: 0000 [#1] PREEMPT SMP KASAN
KASAN: probably user-memory-access in range
[0x0000000000001058-0x000000000000105f]
CPU: 0 PID: 5053 Comm: syz-executor353 Not tainted
6.6.0-syzkaller-10396-g4652b8e4f3ff #0
Hardware name: Google Google Compute Engine/Google Compute Engine,
BIOS Google 10/09/2023
RIP: 0010:ptp_ioctl+0xcb7/0x1d10 drivers/ptp/ptp_chardev.c:476
...
Call Trace:
<TASK>
posix_clock_ioctl+0xf8/0x160 kernel/time/posix-clock.c:86
vfs_ioctl fs/ioctl.c:51 [inline]
__do_sys_ioctl fs/ioctl.c:871 [inline]
__se_sys_ioctl fs/ioctl.c:857 [inline]
__x64_sys_ioctl+0x18f/0x210 fs/ioctl.c:857
do_syscall_x64 arch/x86/entry/common.c:51 [inline]
do_syscall_64+0x3f/0x110 arch/x86/entry/common.c:82
entry_SYSCALL_64_after_hwframe+0x63/0x6b
```
This patch fixes the issue by adding a check for tsevq and
ensuring ptp_ioctl returns with an error if tsevq is null.
Reported-by: syzbot+8a78ecea7ac1a2ea26e5@syzkaller.appspotmail.com
Closes: https://syzkaller.appspot.com/bug?extid=8a78ecea7ac1a2ea26e5
Fixes: c5a445b1e934 ("ptp: support event queue reader channel masks")
Signed-off-by: Yuran Pereira <yuran.pereira@hotmail.com>
Reviewed-by: Przemek Kitszel <przemyslaw.kitszel@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Current release - regressions:
- sched: fix SKB_NOT_DROPPED_YET splat under debug config
Current release - new code bugs:
- tcp: fix usec timestamps with TCP fastopen
- tcp_sigpool: fix some off by one bugs
- tcp: fix possible out-of-bounds reads in tcp_hash_fail()
- tcp: fix SYN option room calculation for TCP-AO
- bpf: fix compilation error without CGROUPS
- ptp:
- ptp_read() should not release queue
- fix tsevqs corruption
Previous releases - regressions:
- llc: verify mac len before reading mac header
Previous releases - always broken:
- bpf:
- fix check_stack_write_fixed_off() to correctly spill imm
- fix precision tracking for BPF_ALU | BPF_TO_BE | BPF_END
- check map->usercnt after timer->timer is assigned
- dsa: lan9303: consequently nested-lock physical MDIO
- dccp/tcp: call security_inet_conn_request() after setting IP addr
- tg3: fix the TX ring stall due to incorrect full ring handling
- phylink: initialize carrier state at creation
- ice: fix direction of VF rules in switchdev mode
Misc:
- fill in a bunch of missing MODULE_DESCRIPTION()s, more to come
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Merge tag 'net-6.7-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
Pull networking fixes from Jakub Kicinski:
"Including fixes from netfilter and bpf.
Current release - regressions:
- sched: fix SKB_NOT_DROPPED_YET splat under debug config
Current release - new code bugs:
- tcp:
- fix usec timestamps with TCP fastopen
- fix possible out-of-bounds reads in tcp_hash_fail()
- fix SYN option room calculation for TCP-AO
- tcp_sigpool: fix some off by one bugs
- bpf: fix compilation error without CGROUPS
- ptp:
- ptp_read() should not release queue
- fix tsevqs corruption
Previous releases - regressions:
- llc: verify mac len before reading mac header
Previous releases - always broken:
- bpf:
- fix check_stack_write_fixed_off() to correctly spill imm
- fix precision tracking for BPF_ALU | BPF_TO_BE | BPF_END
- check map->usercnt after timer->timer is assigned
- dsa: lan9303: consequently nested-lock physical MDIO
- dccp/tcp: call security_inet_conn_request() after setting IP addr
- tg3: fix the TX ring stall due to incorrect full ring handling
- phylink: initialize carrier state at creation
- ice: fix direction of VF rules in switchdev mode
Misc:
- fill in a bunch of missing MODULE_DESCRIPTION()s, more to come"
* tag 'net-6.7-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net: (84 commits)
net: ti: icss-iep: fix setting counter value
ptp: fix corrupted list in ptp_open
ptp: ptp_read should not release queue
net_sched: sch_fq: better validate TCA_FQ_WEIGHTS and TCA_FQ_PRIOMAP
net: kcm: fill in MODULE_DESCRIPTION()
net/sched: act_ct: Always fill offloading tuple iifidx
netfilter: nat: fix ipv6 nat redirect with mapped and scoped addresses
netfilter: xt_recent: fix (increase) ipv6 literal buffer length
ipvs: add missing module descriptions
netfilter: nf_tables: remove catchall element in GC sync path
netfilter: add missing module descriptions
drivers/net/ppp: use standard array-copy-function
net: enetc: shorten enetc_setup_xdp_prog() error message to fit NETLINK_MAX_FMTMSG_LEN
virtio/vsock: Fix uninit-value in virtio_transport_recv_pkt()
r8169: respect userspace disabling IFF_MULTICAST
selftests/bpf: get trusted cgrp from bpf_iter__cgroup directly
bpf: Let verifier consider {task,cgroup} is trusted in bpf_iter_reg
net: phylink: initialize carrier state at creation
test/vsock: add dobule bind connect test
test/vsock: refactor vsock_accept
...
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Merge tag 'v6.7-p2' of git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6
Pull crypto fixes from Herbert Xu:
"This fixes a regression in ahash and hides the Kconfig sub-options for
the jitter RNG"
* tag 'v6.7-p2' of git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6:
crypto: ahash - Set using_shash for cloned ahash wrapper over shash
crypto: jitterentropy - Hide esoteric Kconfig options under FIPS and EXPERT
- a number of input drivers has been converted to use facilities
provided by the device core to instantiate driver-specific attributes
instead of using devm_device_add_group() and similar APIs
- platform input devices have been converted to use remove() callback
returning void
- a fix for use-after-free when tearing down a Synaptics RMI device
- a few flexible arrays in input structures have been annotated with
__counted_by to help hardening efforts
- handling of vddio supply in cyttsp5 driver
- other miscellaneous fixups
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Merge tag 'input-for-v6.7-rc0' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input
Pull input updates from Dmitry Torokhov:
- a number of input drivers has been converted to use facilities
provided by the device core to instantiate driver-specific attributes
instead of using devm_device_add_group() and similar APIs
- platform input devices have been converted to use remove() callback
returning void
- a fix for use-after-free when tearing down a Synaptics RMI device
- a few flexible arrays in input structures have been annotated with
__counted_by to help hardening efforts
- handling of vddio supply in cyttsp5 driver
- other miscellaneous fixups
* tag 'input-for-v6.7-rc0' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input: (86 commits)
Input: walkera0701 - use module_parport_driver macro to simplify the code
Input: synaptics-rmi4 - fix use after free in rmi_unregister_function()
dt-bindings: input: fsl,scu-key: Document wakeup-source
Input: cyttsp5 - add handling for vddio regulator
dt-bindings: input: cyttsp5: document vddio-supply
Input: tegra-kbc - use device_get_match_data()
Input: Annotate struct ff_device with __counted_by
Input: axp20x-pek - avoid needless newline removal
Input: mt - annotate struct input_mt with __counted_by
Input: leds - annotate struct input_leds with __counted_by
Input: evdev - annotate struct evdev_client with __counted_by
Input: synaptics-rmi4 - replace deprecated strncpy
Input: wm97xx-core - convert to platform remove callback returning void
Input: wm831x-ts - convert to platform remove callback returning void
Input: ti_am335x_tsc - convert to platform remove callback returning void
Input: sun4i-ts - convert to platform remove callback returning void
Input: stmpe-ts - convert to platform remove callback returning void
Input: pcap_ts - convert to platform remove callback returning void
Input: mc13783_ts - convert to platform remove callback returning void
Input: mainstone-wm97xx - convert to platform remove callback returning void
...
through the cracks (iproc), a core sanitizing improvement as the new
memdup_array_user() helper went upstream (i2c-dev), and two driver
bugfixes (designware, cp2615).
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Merge tag 'for-6.7-rc1-part2' of git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux
Pull more i2c updates from Wolfram Sang:
"This contains one patch which slipped through the cracks (iproc), a
core sanitizing improvement as the new memdup_array_user() helper went
upstream (i2c-dev), and two driver bugfixes (designware, cp2615)"
* tag 'for-6.7-rc1-part2' of git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux:
i2c: cp2615: Fix 'assignment to __be16' warning
i2c: dev: copy userspace array safely
i2c: designware: Disable TX_EMPTY irq while waiting for block length byte
i2c: iproc: handle invalid slave state
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Merge tag 'linux-watchdog-6.7-rc1' of git://www.linux-watchdog.org/linux-watchdog
Pull watchdog updates from Wim Van Sebroeck:
- add support for Amlogic C3 and S4 SoCs
- add IT8613 ID
- add MSM8226 and MSM8974 compatibles
- other small fixes and improvements
* tag 'linux-watchdog-6.7-rc1' of git://www.linux-watchdog.org/linux-watchdog: (24 commits)
dt-bindings: watchdog: Add support for Amlogic C3 and S4 SoCs
watchdog: mlx-wdt: Parameter desctiption warning fix
watchdog: aspeed: Add support for aspeed,reset-mask DT property
dt-bindings: watchdog: aspeed-wdt: Add aspeed,reset-mask property
watchdog: apple: Deactivate on suspend
dt-bindings: watchdog: qcom-wdt: Add MSM8226 and MSM8974 compatibles
dt-bindings: watchdog: fsl-imx7ulp-wdt: Add 'fsl,ext-reset-output'
wdog: imx7ulp: Enable wdog int_en bit for watchdog any reset
drivers: watchdog: marvell_gti: Program the max_hw_heartbeat_ms
drivers: watchdog: marvell_gti: fix zero pretimeout handling
watchdog: marvell_gti: Replace of_platform.h with explicit includes
watchdog: imx_sc_wdt: continue if the wdog already enabled
watchdog: st_lpc: Use device_get_match_data()
watchdog: wdat_wdt: Add timeout value as a param in ping method
watchdog: gpio_wdt: Make use of device properties
sbsa_gwdt: Calculate timeout with 64-bit math
watchdog: ixp4xx: Make sure restart always works
watchdog: it87_wdt: add IT8613 ID
watchdog: marvell_gti_wdt: Fix error code in probe()
Watchdog: marvell_gti_wdt: Remove redundant dev_err_probe() for platform_get_irq()
...
This contains a few fixes and a bunch of cleanups, a lot of which is in
preparation for Uwe's character device support that may be ready in time
for the next merge window.
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Merge tag 'pwm/for-6.7-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/thierry.reding/linux-pwm
Pull pwm updates from Thierry Reding:
"This contains a few fixes and a bunch of cleanups, a lot of which is
in preparation for Uwe's character device support that may be ready in
time for the next merge window"
* tag 'pwm/for-6.7-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/thierry.reding/linux-pwm: (37 commits)
pwm: samsung: Document new member .channel in struct samsung_pwm_chip
pwm: bcm2835: Add support for suspend/resume
pwm: brcmstb: Checked clk_prepare_enable() return value
pwm: brcmstb: Utilize appropriate clock APIs in suspend/resume
pwm: pxa: Explicitly include correct DT includes
pwm: cros-ec: Simplify using devm_pwmchip_add() and dev_err_probe()
pwm: samsung: Consistently use the same name for driver data
pwm: vt8500: Simplify using devm functions
pwm: sprd: Simplify using devm_pwmchip_add() and dev_err_probe()
pwm: sprd: Provide a helper to cast a chip to driver data
pwm: spear: Simplify using devm functions
pwm: mtk-disp: Simplify using devm_pwmchip_add()
pwm: imx-tpm: Simplify using devm functions
pwm: brcmstb: Simplify using devm functions
pwm: bcm2835: Simplify using devm functions
pwm: bcm-iproc: Simplify using devm functions
pwm: Adapt sysfs API documentation to reality
pwm: dwc: add PWM bit unset in get_state call
pwm: dwc: make timer clock configurable
pwm: dwc: split pci out of core driver
...
Including:
- Core changes:
- Make default-domains mandatory for all IOMMU drivers
- Remove group refcounting
- Add generic_single_device_group() helper and consolidate
drivers
- Cleanup map/unmap ops
- Scaling improvements for the IOVA rcache depot
- Convert dart & iommufd to the new domain_alloc_paging()
- ARM-SMMU:
- Device-tree binding update:
- Add qcom,sm7150-smmu-v2 for Adreno on SM7150 SoC
- SMMUv2:
- Support for Qualcomm SDM670 (MDSS) and SM7150 SoCs
- SMMUv3:
- Large refactoring of the context descriptor code to
move the CD table into the master, paving the way
for '->set_dev_pasid()' support on non-SVA domains
- Minor cleanups to the SVA code
- Intel VT-d:
- Enable debugfs to dump domain attached to a pasid
- Remove an unnecessary inline function.
- AMD IOMMU:
- Initial patches for SVA support (not complete yet)
- S390 IOMMU:
- DMA-API conversion and optimized IOTLB flushing
- Some smaller fixes and improvements
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Merge tag 'iommu-updates-v6.7' of git://git.kernel.org/pub/scm/linux/kernel/git/joro/iommu
Pull iommu updates from Joerg Roedel:
"Core changes:
- Make default-domains mandatory for all IOMMU drivers
- Remove group refcounting
- Add generic_single_device_group() helper and consolidate drivers
- Cleanup map/unmap ops
- Scaling improvements for the IOVA rcache depot
- Convert dart & iommufd to the new domain_alloc_paging()
ARM-SMMU:
- Device-tree binding update:
- Add qcom,sm7150-smmu-v2 for Adreno on SM7150 SoC
- SMMUv2:
- Support for Qualcomm SDM670 (MDSS) and SM7150 SoCs
- SMMUv3:
- Large refactoring of the context descriptor code to move the CD
table into the master, paving the way for '->set_dev_pasid()'
support on non-SVA domains
- Minor cleanups to the SVA code
Intel VT-d:
- Enable debugfs to dump domain attached to a pasid
- Remove an unnecessary inline function
AMD IOMMU:
- Initial patches for SVA support (not complete yet)
S390 IOMMU:
- DMA-API conversion and optimized IOTLB flushing
And some smaller fixes and improvements"
* tag 'iommu-updates-v6.7' of git://git.kernel.org/pub/scm/linux/kernel/git/joro/iommu: (102 commits)
iommu/dart: Remove the force_bypass variable
iommu/dart: Call apple_dart_finalize_domain() as part of alloc_paging()
iommu/dart: Convert to domain_alloc_paging()
iommu/dart: Move the blocked domain support to a global static
iommu/dart: Use static global identity domains
iommufd: Convert to alloc_domain_paging()
iommu/vt-d: Use ops->blocked_domain
iommu/vt-d: Update the definition of the blocking domain
iommu: Move IOMMU_DOMAIN_BLOCKED global statics to ops->blocked_domain
Revert "iommu/vt-d: Remove unused function"
iommu/amd: Remove DMA_FQ type from domain allocation path
iommu: change iommu_map_sgtable to return signed values
iommu/virtio: Add __counted_by for struct viommu_request and use struct_size()
iommu/vt-d: debugfs: Support dumping a specified page table
iommu/vt-d: debugfs: Create/remove debugfs file per {device, pasid}
iommu/vt-d: debugfs: Dump entry pointing to huge page
iommu/vt-d: Remove unused function
iommu/arm-smmu-v3-sva: Remove bond refcount
iommu/arm-smmu-v3-sva: Remove unused iommu_sva handle
iommu/arm-smmu-v3: Rename cdcfg to cd_table
...
Currently icss_iep_set_counter() writes the upper 32-bits of the
counter value to both the lower and upper counter registers, so
fix this by writing the appropriate value to the lower register.
Fixes: c1e0230eeaab ("net: ti: icss-iep: Add IEP driver")
Signed-off-by: Diogo Ivo <diogo.ivo@siemens.com>
Link: https://lore.kernel.org/r/20231107120037.1513546-1-diogo.ivo@siemens.com
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
There is no lock protection when writing ptp->tsevqs in ptp_open() and
ptp_release(), which can cause data corruption, use spin lock to avoid this
issue.
Moreover, ptp_release() should not be used to release the queue in ptp_read(),
and it should be deleted altogether.
Acked-by: Richard Cochran <richardcochran@gmail.com>
Reported-and-tested-by: syzbot+df3f3ef31f60781fa911@syzkaller.appspotmail.com
Fixes: 8f5de6fb2453 ("ptp: support multiple timestamp event readers")
Signed-off-by: Edward Adam Davis <eadavis@qq.com>
Link: https://lore.kernel.org/r/tencent_CD19564FFE8DA8A5918DFE92325D92DD8107@qq.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Firstly, queue is not the memory allocated in ptp_read;
Secondly, other processes may block at ptp_read and wait for conditions to be
met to perform read operations.
Acked-by: Richard Cochran <richardcochran@gmail.com>
Reported-and-tested-by: syzbot+df3f3ef31f60781fa911@syzkaller.appspotmail.com
Fixes: 8f5de6fb2453 ("ptp: support multiple timestamp event readers")
Signed-off-by: Edward Adam Davis <eadavis@qq.com>
Link: https://lore.kernel.org/r/tencent_18747D76F1675A3C633772960237544AAA09@qq.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Tony Nguyen says:
====================
Intel Wired LAN Driver Updates 2023-11-06 (ice)
This series contains updates to ice driver only.
Dave removes SR-IOV LAG attribute for only the interface being disabled
to allow for proper unwinding of all interfaces.
Michal Schmidt changes some LAG allocations from GFP_KERNEL to GFP_ATOMIC
due to non-allowed sleeping.
Aniruddha and Marcin fix redirection and drop rules for switchdev by
properly setting and marking egress/ingress type.
* '100GbE' of git://git.kernel.org/pub/scm/linux/kernel/git/tnguy/net-queue:
ice: Fix VF-VF direction matching in drop rule in switchdev
ice: Fix VF-VF filter rules in switchdev mode
ice: lag: in RCU, use atomic allocation
ice: Fix SRIOV LAG disable on non-compliant aggregate
====================
Link: https://lore.kernel.org/r/20231107004844.655549-1-anthony.l.nguyen@intel.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Shannon Nelson
Alex Pakhunov
Baruch Siach
Eric Dumazet
Jakub Kicinski
ChunHao Lin
Linus Walleij
Willem de Bruijn
Sven Auhagen
Shigeru Yoshida
Marek Behún
MD Danish Anwar
David S. Miller
Jijie Shao
Yonglong Liu
Jian Shen
Jan Kiszka
Ravi Gunasekaran
Stanislav Fomichev
Yuran Pereira
Linus Torvalds
Diogo Ivo
Edward Adam Davis