- 21 Apr, 2020 1 commit
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Xin Long authored
For beet mode, when it's ipv6 inner address with nexthdrs set, the packet format might be: ---------------------------------------------------- | outer | | dest | | | ESP | ESP | | IP6 hdr| ESP | opts.| TCP | Data | Trailer | ICV | ---------------------------------------------------- Before doing gso segment in xfrm6_beet_gso_segment(), it should skip all nexthdrs and get the real transport proto, and set transport_header properly. This patch is to fix it by simply calling ipv6_skip_exthdr() in xfrm6_beet_gso_segment(). v1->v2: - remove skb_transport_offset(), as it will always return 0 in xfrm6_beet_gso_segment(), thank Sabrina's check. Fixes: 7f9e40eb ("esp6: add gso_segment for esp6 beet mode") Signed-off-by:Xin Long <lucien.xin@gmail.com> Signed-off-by:
Steffen Klassert <steffen.klassert@secunet.com>
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- 20 Apr, 2020 3 commits
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Sabrina Dubroca authored
When ESP encapsulation is enabled on a TCP socket, I'm replacing the existing ->sk_destruct callback with espintcp_destruct. We still need to call the old callback to perform the other cleanups when the socket is destroyed. Save the old callback, and call it from espintcp_destruct. Fixes: e27cca96 ("xfrm: add espintcp (RFC 8229)") Signed-off-by:
Sabrina Dubroca <sd@queasysnail.net> Signed-off-by:
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Antony Antony authored
s/xfrm_state_offload/xfrm_user_offload/ Fixes: d77e38e6 ("xfrm: Add an IPsec hardware offloading API") Signed-off-by:
Antony Antony <antony@phenome.org> Signed-off-by:
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Xin Long authored
This xfrm_state_put call in esp4/6_gro_receive() will cause double put for state, as in out_reset path secpath_reset() will put all states set in skb sec_path. So fix it by simply remove the xfrm_state_put call. Fixes: 6ed69184 ("xfrm: Reset secpath in xfrm failure") Signed-off-by:
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- 15 Apr, 2020 3 commits
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Xin Long authored
For transport mode, when ipv6 nexthdr is set, the packet format might be like: ---------------------------------------------------- | | dest | | | | ESP | ESP | | IP6 hdr| opts.| ESP | TCP | Data | Trailer | ICV | ---------------------------------------------------- What it wants to get for x-proto in esp6_gso_encap() is the proto that will be set in ESP nexthdr. So it should skip all ipv6 nexthdrs and get the real transport protocol. Othersize, the wrong proto number will be set into ESP nexthdr. This patch is to skip all ipv6 nexthdrs by calling ipv6_skip_exthdr() in esp6_gso_encap(). Fixes: 7862b405 ("esp: Add gso handlers for esp4 and esp6") Signed-off-by: -
Xin Long authored
For transport mode, when ipv6 nexthdr is set, the packet format might be like: ---------------------------------------------------- | | dest | | | | ESP | ESP | | IP6 hdr| opts.| ESP | TCP | Data | Trailer | ICV | ---------------------------------------------------- and in __xfrm_transport_prep(): pskb_pull(skb, skb->mac_len + sizeof(ip6hdr) + x->props.header_len); it will pull the data pointer to the wrong position, as it missed the nexthdrs/dest opts. This patch is to fix it by using: pskb_pull(skb, skb_transport_offset(skb) + x->props.header_len); as we can be sure transport_header points to ESP header at that moment. It also fixes a panic when packets with ipv6 nexthdr are sent over esp6 transport mode: [ 100.473845] kernel BUG at net/core/skbuff.c:4325! [ 100.478517] RIP: 0010:__skb_to_sgvec+0x252/0x260 [ 100.494355] Call Trace: [ 100.494829] skb_to_sgvec+0x11/0x40 [ 100.495492] esp6_output_tail+0x12e/0x550 [esp6] [ 100.496358] esp6_xmit+0x1d5/0x260 [esp6_offload] [ 100.498029] validate_xmit_xfrm+0x22f/0x2e0 [ 100.499604] __dev_queue_xmit+0x589/0x910 [ 100.502928] ip6_finish_output2+0x2a5/0x5a0 [ 100.503718] ip6_output+0x6c/0x120 [ 100.505198] xfrm_output_resume+0x4bf/0x530 [ 100.508683] xfrm6_output+0x3a/0xc0 [ 100.513446] inet6_csk_xmit+0xa1/0xf0 [ 100.517335] tcp_sendmsg+0x27/0x40 [ 100.517977] sock_sendmsg+0x3e/0x60 [ 100.518648] __sys_sendto+0xee/0x160 Fixes: c35fe410 ("xfrm: Add mode handlers for IPsec on layer 2") Signed-off-by: -
Xin Long authored
For beet mode, when it's ipv6 inner address with nexthdrs set, the packet format might be: ---------------------------------------------------- | outer | | dest | | | ESP | ESP | | IP hdr | ESP | opts.| TCP | Data | Trailer | ICV | ---------------------------------------------------- The nexthdr from ESP could be NEXTHDR_HOP(0), so it should continue processing the packet when nexthdr returns 0 in xfrm_input(). Otherwise, when ipv6 nexthdr is set, the packet will be dropped. I don't see any error cases that nexthdr may return 0. So fix it by removing the check for nexthdr == 0. Fixes: 1da177e4 ("Linux-2.6.12-rc2") Signed-off-by:
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- 14 Apr, 2020 15 commits
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David S. Miller authored
Russell King says: ==================== Fix 88x3310 leaving power save mode This series fixes a problem with the 88x3310 PHY on Macchiatobin coming out of powersave mode noticed by Matteo Croce. It seems that certain PHY firmwares do not properly exit powersave mode, resulting in a fibre link not coming up. The solution appears to be to soft-reset the PHY after clearing the powersave bit. We add support for reporting the PHY firmware version to the kernel log, and use it to trigger this new behaviour if we have v0.3.x.x or more recent firmware on the PHY. This, however, is a guess as the firmware revision documentation does not mention this issue, and we know that v0.2.1.0 works without this fix but v0.3.3.0 and later does not. ==================== Signed-off-by:David S. Miller <davem@davemloft.net>
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Russell King authored
Soft-reset the PHY when coming out of low power mode, which seems to be necessary with firmware versions 0.3.3.0 and 0.3.10.0. This depends on ("net: marvell10g: report firmware version") Fixes: c9cc1c81 ("net: phy: marvell10g: place in powersave mode at probe") Reported-by:Matteo Croce <mcroce@redhat.com> Tested-by:
Andrew Lunn <andrew@lunn.ch> Signed-off-by:
Russell King <rmk+kernel@armlinux.org.uk> Reviewed-by:
Florian Fainelli <f.fainelli@gmail.com> Signed-off-by:
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Russell King authored
Report the firmware version when probing the PHY to allow issues attributable to firmware to be diagnosed. Tested-by:
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Jason Gunthorpe authored
Positive return values are also failures that don't set val, although this probably can't happen. Fixes gcc 10 warning: drivers/net/ethernet/chelsio/cxgb4/t4_hw.c: In function ‘t4_phy_fw_ver’: drivers/net/ethernet/chelsio/cxgb4/t4_hw.c:3747:14: warning: ‘val’ may be used uninitialized in this function [-Wmaybe-uninitialized] 3747 | *phy_fw_ver = val; Fixes: 01b69614 ("cxgb4: Add PHY firmware support for T420-BT cards") Signed-off-by:
Jason Gunthorpe <jgg@mellanox.com> Signed-off-by:
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Atsushi Nemoto authored
Allow all the RGMII modes to be used. (Not only "rgmii", "rgmii-id" but "rgmii-txid", "rgmii-rxid") Signed-off-by:
Atsushi Nemoto <atsushi.nemoto@sord.co.jp> Signed-off-by:
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David S. Miller authored
Andrew Lunn says: ==================== mv88e6xxx fixed link fixes Recent changes for how the MAC is configured broke fixed links, as used by CPU/DSA ports, and for SFPs when phylink cannot be used. The first fix is unchanged from v1. The second fix takes a different solution than v1. If a CPU or DSA port is known to have a PHYLINK instance, configure the port down before instantiating the PHYLINK, so it is in the down state as expected by PHYLINK. ==================== Signed-off-by: -
Andrew Lunn authored
DSA and CPU ports can be configured in two ways. By default, the driver should configure such ports to there maximum bandwidth. For most use cases, this is sufficient. When this default is insufficient, a phylink instance can be bound to such ports, and phylink will configure the port, e.g. based on fixed-link properties. phylink assumes the port is initially down. Given that the driver should have already configured it to its maximum speed, ask the driver to down the port before instantiating the phylink instance. Fixes: 30c4a5b0 ("net: mv88e6xxx: use resolved link config in mac_link_up()") Signed-off-by:
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Andrew Lunn authored
The 88e6185 is reporting it has detected a PHY, when a port is connected to an SFP. As a result, the fixed-phy configuration is not being applied. That then breaks packet transfer, since the port is reported as being down. Add additional conditions to check the interface mode, and if it is fixed always configure the port on link up/down, independent of the PPU status. Fixes: 30c4a5b0 ("net: mv88e6xxx: use resolved link config in mac_link_up()") Signed-off-by:
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David S. Miller authored
Shannon Nelson says: ==================== ionic: address automated build complaints Kernel build checks found a couple of things to improve. ==================== Signed-off-by: -
Shannon Nelson authored
Remove an unused initialized value. Fixes: 7e4d4759 ("ionic: replay filters after fw upgrade") Reported-by:
kbuild test robot <lkp@intel.com> Signed-off-by:
Shannon Nelson <snelson@pensando.io> Signed-off-by:
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Shannon Nelson authored
Add the appropriate header for using dynamic_hex_dump(), which seems to be incidentally included in some configurations but not all. Fixes: 7e4d4759 ("ionic: replay filters after fw upgrade") Reported-by:
Randy Dunlap <rdunlap@infradead.org> Signed-off-by:
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David Howells authored
Fix the DATA packet transmission to disable nofrag for UDPv4 on an AF_INET6 socket as well as UDPv6 when trying to transmit fragmentably. Without this, packets filled to the normal size used by the kernel AFS client of 1412 bytes be rejected by udp_sendmsg() with EMSGSIZE immediately. The ->sk_error_report() notification hook is called, but rxrpc doesn't generate a trace for it. This is a temporary fix; a more permanent solution needs to involve changing the size of the packets being filled in accordance with the MTU, which isn't currently done in AF_RXRPC. The reason for not doing so was that, barring the last packet in an rx jumbo packet, jumbos can only be assembled out of 1412-byte packets - and the plan was to construct jumbos on the fly at transmission time. Also, there's no point turning on IPV6_MTU_DISCOVER, since IPv6 has to engage in this anyway since fragmentation is only done by the sender. We can then condense the switch-statement in rxrpc_send_data_packet(). Fixes: 75b54cb5 ("rxrpc: Add IPv6 support") Signed-off-by:
David Howells <dhowells@redhat.com> Signed-off-by:
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Atsushi Nemoto authored
KSZ9131 will not work with some switches due to workaround for KSZ9031 introduced in commit d2fd719b ("net/phy: micrel: Add workaround for bad autoneg"). Use genphy_read_status instead of dedicated ksz9031_read_status. Fixes: bff5b4b3 ("net: phy: micrel: add Microchip KSZ9131 initial driver") Signed-off-by:
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David S. Miller authored
Merge tag 'wireless-drivers-2020-04-14' of git://git.kernel.org/pub/scm/linux/kernel/git/kvalo/wireless-drivers Kalle Valo says: ==================== wireless-drivers fixes for v5.7 First set of fixes for v5.6. Fixes for a crash and for two compiler warnings. brcmfmac * fix a crash related to monitor interface ath11k * fix compiler warnings without CONFIG_THERMAL rtw88 * fix compiler warnings related to suspend and resume functions ==================== Signed-off-by:
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Arnd Bergmann authored
The rtw88 driver defines emtpy functions with multiple indirections but gets one of these wrong: drivers/net/wireless/realtek/rtw88/pci.c:1347:12: error: 'rtw_pci_resume' defined but not used [-Werror=unused-function] 1347 | static int rtw_pci_resume(struct device *dev) | ^~~~~~~~~~~~~~ drivers/net/wireless/realtek/rtw88/pci.c:1342:12: error: 'rtw_pci_suspend' defined but not used [-Werror=unused-function] 1342 | static int rtw_pci_suspend(struct device *dev) Better simplify it to rely on the conditional reference in SIMPLE_DEV_PM_OPS(), and mark the functions as __maybe_unused to avoid warning about it. I'm not sure if these are needed at all given that the functions don't do anything, but they were only recently added. Fixes: 44bc17f7 ("rtw88: support wowlan feature for 8822c") Signed-off-by:Arnd Bergmann <arnd@arndb.de> Signed-off-by:
Kalle Valo <kvalo@codeaurora.org> Link: https://lore.kernel.org/r/20200408185413.218643-1-arnd@arndb.de
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- 13 Apr, 2020 3 commits
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Christophe JAILLET authored
s/mvmeta/mvneta/ Signed-off-by:
Christophe JAILLET <christophe.jaillet@wanadoo.fr> Signed-off-by:
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Florian Westphal authored
mptcp_connect/28740 is trying to release lock (sk_lock-AF_INET) at: [<ffffffff82c15869>] mptcp_poll+0xb9/0x550 but there are no more locks to release! Call Trace: lock_release+0x50f/0x750 release_sock+0x171/0x1b0 mptcp_poll+0xb9/0x550 sock_poll+0x157/0x470 ? get_net_ns+0xb0/0xb0 do_sys_poll+0x63c/0xdd0 Problem is that __mptcp_tcp_fallback() releases the mptcp socket lock, but after recent change it doesn't do this in all of its return paths. To fix this, remove the unlock from __mptcp_tcp_fallback() and always do the unlock in the caller. Also add a small comment as to why we have this __mptcp_needs_tcp_fallback(). Fixes: 0b4f33de ("mptcp: fix tcp fallback crash") Reported-by: syzbot+e56606435b7bfeea8cf5@syzkaller.appspotmail.com Signed-off-by:
Florian Westphal <fw@strlen.de> Signed-off-by:
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Gilberto Bertin authored
This allows netif_receive_generic_xdp() to correctly determine the RX queue from which the skb is coming, so that the context passed to the XDP program will contain the correct RX queue index. Signed-off-by:
Gilberto Bertin <me@jibi.io> Signed-off-by:
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- 12 Apr, 2020 3 commits
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Christophe JAILLET authored
Message logged by 'dev_xxx()' or 'pr_xxx()' should end with a '\n'. Fixes: 93a76530 ("net: ethernet: ti: introduce am65x/j721e gigabit eth subsystem driver") Signed-off-by:
Jakub Kicinski <kuba@kernel.org>
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Christophe JAILLET authored
Message logged by 'dev_xxx()' or 'pr_xxx()' should end with a '\n'. Fixes: a646d6ec ("soc: qcom: ipa: modem and microcontroller") Signed-off-by:
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Colin Ian King authored
The variable tmp64 is being initialized with a value that is never read and it is being updated later with a new value. The initialization is redundant and can be removed. Addresses-Coverity: ("Unused value") Signed-off-by:Colin Ian King <colin.king@canonical.com> Signed-off-by:
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- 11 Apr, 2020 3 commits
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Clemens Gruber authored
The negotiation of flow control / pause frame modes was broken since commit fcf1f59a ("net: phy: marvell: rearrange to use genphy_read_lpa()") moved the setting of phydev->duplex below the phy_resolve_aneg_pause call. Due to a check of DUPLEX_FULL in that function, phydev->pause was no longer set. Fix it by moving the parsing of the status variable before the blocks dealing with the pause frames. As the Marvell 88E1510 datasheet does not specify the timing between the link status and the "Speed and Duplex Resolved" bit, we have to force the link down as long as the resolved bit is not set, to avoid reporting link up before we even have valid Speed/Duplex. Tested with a Marvell 88E1510 (RGMII to Copper/1000Base-T) Fixes: fcf1f59a ("net: phy: marvell: rearrange to use genphy_read_lpa()") Signed-off-by:
Clemens Gruber <clemens.gruber@pqgruber.com> Signed-off-by:
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Randy Dunlap authored
Add the full net DIM API to the net_dim.rst file. Signed-off-by:
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Jakub Kicinski authored
Convert the Dynamic Interrupt Moderation doc to RST and use the RST features like syntax highlight, function and structure documentation, enumerations, table of contents. Reviewed-by:
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- 10 Apr, 2020 1 commit
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git://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpfDavid S. Miller authored
Daniel Borkmann says: ==================== pull-request: bpf 2020-04-10 The following pull-request contains BPF updates for your *net* tree. We've added 13 non-merge commits during the last 7 day(s) which contain a total of 13 files changed, 137 insertions(+), 43 deletions(-). The main changes are: 1) JIT code emission fixes for riscv and arm32, from Luke Nelson and Xi Wang. 2) Disable vmlinux BTF info if GCC_PLUGIN_RANDSTRUCT is used, from Slava Bacherikov. 3) Fix oob write in AF_XDP when meta data is used, from Li RongQing. 4) Fix bpf_get_link_xdp_id() handling on single prog when flags are specified, from Andrey Ignatov. 5) Fix sk_assign() BPF helper for request sockets that can have sk_reuseport field uninitialized, from Joe Stringer. 6) Fix mprotect() test case for the BPF LSM, from KP Singh. ==================== Signed-off-by:
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- 09 Apr, 2020 8 commits
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Taras Chornyi authored
When CONFIG_IP_MULTICAST is not set and multicast ip is added to the device with autojoin flag or when multicast ip is deleted kernel will crash. steps to reproduce: ip addr add 224.0.0.0/32 dev eth0 ip addr del 224.0.0.0/32 dev eth0 or ip addr add 224.0.0.0/32 dev eth0 autojoin Unable to handle kernel NULL pointer dereference at virtual address 0000000000000088 pc : _raw_write_lock_irqsave+0x1e0/0x2ac lr : lock_sock_nested+0x1c/0x60 Call trace: _raw_write_lock_irqsave+0x1e0/0x2ac lock_sock_nested+0x1c/0x60 ip_mc_config.isra.28+0x50/0xe0 inet_rtm_deladdr+0x1a8/0x1f0 rtnetlink_rcv_msg+0x120/0x350 netlink_rcv_skb+0x58/0x120 rtnetlink_rcv+0x14/0x20 netlink_unicast+0x1b8/0x270 netlink_sendmsg+0x1a0/0x3b0 ____sys_sendmsg+0x248/0x290 ___sys_sendmsg+0x80/0xc0 __sys_sendmsg+0x68/0xc0 __arm64_sys_sendmsg+0x20/0x30 el0_svc_common.constprop.2+0x88/0x150 do_el0_svc+0x20/0x80 el0_sync_handler+0x118/0x190 el0_sync+0x140/0x180 Fixes: 93a714d6 ("multicast: Extend ip address command to enable multicast group join/leave on") Signed-off-by:
Taras Chornyi <taras.chornyi@plvision.eu> Signed-off-by:
Vadym Kochan <vadym.kochan@plvision.eu> Signed-off-by:
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Ka-Cheong Poon authored
In rds_free_mr(), it calls rds_destroy_mr(mr) directly. But this defeats the purpose of reference counting and makes MR free handling impossible. It means that holding a reference does not guarantee that it is safe to access some fields. For example, In rds_cmsg_rdma_dest(), it increases the ref count, unlocks and then calls mr->r_trans->sync_mr(). But if rds_free_mr() (and rds_destroy_mr()) is called in between (there is no lock preventing this to happen), r_trans_private is set to NULL, causing a panic. Similar issue is in rds_rdma_unuse(). Reported-by:
zerons <sironhide0null@gmail.com> Signed-off-by:
Ka-Cheong Poon <ka-cheong.poon@oracle.com> Acked-by:
Santosh Shilimkar <santosh.shilimkar@oracle.com> Signed-off-by:
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Ka-Cheong Poon authored
And removed rds_mr_put(). Signed-off-by:
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Taehee Yoo authored
In the macsec_changelink(), "struct macsec_tx_sa tx_sc" is used to store "macsec_secy.tx_sc". But, the struct type of tx_sc is macsec_tx_sc, not macsec_tx_sa. So, the macsec_tx_sc should be used instead. Test commands: ip link add dummy0 type dummy ip link add macsec0 link dummy0 type macsec ip link set macsec0 type macsec encrypt off Splat looks like: [61119.963483][ T9335] ================================================================== [61119.964709][ T9335] BUG: KASAN: slab-out-of-bounds in macsec_changelink.part.34+0xb6/0x200 [macsec] [61119.965787][ T9335] Read of size 160 at addr ffff888020d69c68 by task ip/9335 [61119.966699][ T9335] [61119.966979][ T9335] CPU: 0 PID: 9335 Comm: ip Not tainted 5.6.0+ #503 [61119.967791][ T9335] Hardware name: innotek GmbH VirtualBox/VirtualBox, BIOS VirtualBox 12/01/2006 [61119.968914][ T9335] Call Trace: [61119.969324][ T9335] dump_stack+0x96/0xdb [61119.969809][ T9335] ? macsec_changelink.part.34+0xb6/0x200 [macsec] [61119.970554][ T9335] print_address_description.constprop.5+0x1be/0x360 [61119.971294][ T9335] ? macsec_changelink.part.34+0xb6/0x200 [macsec] [61119.971973][ T9335] ? macsec_changelink.part.34+0xb6/0x200 [macsec] [61119.972703][ T9335] __kasan_report+0x12a/0x170 [61119.973323][ T9335] ? macsec_changelink.part.34+0xb6/0x200 [macsec] [61119.973942][ T9335] kasan_report+0xe/0x20 [61119.974397][ T9335] check_memory_region+0x149/0x1a0 [61119.974866][ T9335] memcpy+0x1f/0x50 [61119.975209][ T9335] macsec_changelink.part.34+0xb6/0x200 [macsec] [61119.975825][ T9335] ? macsec_get_stats64+0x3e0/0x3e0 [macsec] [61119.976451][ T9335] ? kernel_text_address+0x111/0x120 [61119.976990][ T9335] ? pskb_expand_head+0x25f/0xe10 [61119.977503][ T9335] ? stack_trace_save+0x82/0xb0 [61119.977986][ T9335] ? memset+0x1f/0x40 [61119.978397][ T9335] ? __nla_validate_parse+0x98/0x1ab0 [61119.978936][ T9335] ? macsec_alloc_tfm+0x90/0x90 [macsec] [61119.979511][ T9335] ? __kasan_slab_free+0x111/0x150 [61119.980021][ T9335] ? kfree+0xce/0x2f0 [61119.980700][ T9335] ? netlink_trim+0x196/0x1f0 [61119.981420][ T9335] ? nla_memcpy+0x90/0x90 [61119.982036][ T9335] ? register_lock_class+0x19e0/0x19e0 [61119.982776][ T9335] ? memcpy+0x34/0x50 [61119.983327][ T9335] __rtnl_newlink+0x922/0x1270 [ ... ] Fixes: 3cf3227a ("net: macsec: hardware offloading infrastructure") Signed-off-by:Taehee Yoo <ap420073@gmail.com> Signed-off-by:
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Colin Ian King authored
The variable ret is being initialized with a value that is never read and it is being updated later with a new value. The initialization is redundant and can be removed. Addresses-Coverity: ("Unused value") Signed-off-by: -
Wang Wenhu authored
If the local node id(qrtr_local_nid) is not modified after its initialization, it equals to the broadcast node id(QRTR_NODE_BCAST). So the messages from local node should not be taken as broadcast and keep the process going to send them out anyway. The definitions are as follow: static unsigned int qrtr_local_nid = NUMA_NO_NODE; Fixes: fdf5fd39 ("net: qrtr: Broadcast messages only from control port") Signed-off-by:
Wang Wenhu <wenhu.wang@vivo.com> Signed-off-by:
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git://git.kernel.org/pub/scm/linux/kernel/git/saeed/linuxDavid S. Miller authored
Saeed Mahameed says: ==================== Mellanox, mlx5 fixes 2020-04-08 This series introduces some fixes to mlx5 driver. Please pull and let me know if there is any problem. For -stable v5.3 ('net/mlx5: Fix frequent ioread PCI access during recovery') ('net/mlx5e: Add missing release firmware call') For -stable v5.4 ('net/mlx5e: Fix nest_level for vlan pop action') ('net/mlx5e: Fix pfnum in devlink port attribute') ==================== Signed-off-by: -
Lothar Rubusch authored
At 'make htmldocs' the following warning is thrown: Documentation/networking/devlink/devlink-trap.rst:302: WARNING: undefined label: generic-packet-trap-groups Fixes the warning by setting the label to the specified header, within the same document. Signed-off-by:
Lothar Rubusch <l.rubusch@gmail.com> Signed-off-by:
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