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Not all that quiet given spring celebrations, but "current" fixes
are thinning out, which is encouraging. One outstanding regression
in the mlx5 driver when using old FW, not blocking but we're pushing
for a fix.
Current release - new code bugs:
- eth: enetc: workaround for unresponsive pMAC after receiving
express traffic
Previous releases - regressions:
- rtnetlink: restore RTM_NEW/DELLINK notification behavior,
keep the pid/seq fields 0 for backward compatibility
Previous releases - always broken:
- sctp: fix a potential overflow in sctp_ifwdtsn_skip
- mptcp:
- use mptcp_schedule_work instead of open-coding it and make
the worker check stricter, to avoid scheduling work on closed
sockets
- fix NULL pointer dereference on fastopen early fallback
- skbuff: fix memory corruption due to a race between skb coalescing
and releasing clones confusing page_pool reference counting
- bonding: fix neighbor solicitation validation on backup slaves
- bpf: tcp: use sock_gen_put instead of sock_put in bpf_iter_tcp
- bpf: arm64: fixed a BTI error on returning to patched function
- openvswitch: fix race on port output leading to inf loop
- sfp: initialize sfp->i2c_block_size at sfp allocation to avoid
returning a different errno than expected
- phy: nxp-c45-tja11xx: unregister PTP, purge queues on remove
- Bluetooth: fix printing errors if LE Connection times out
- Bluetooth: assorted UaF, deadlock and data race fixes
- eth: macb: fix memory corruption in extended buffer descriptor mode
Misc:
- adjust the XDP Rx flow hash API to also include the protocol layers
over which the hash was computed
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Merge tag 'net-6.3-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
Pull networking fixes from Jakub Kicinski:
"Including fixes from bpf, and bluetooth.
Not all that quiet given spring celebrations, but "current" fixes are
thinning out, which is encouraging. One outstanding regression in the
mlx5 driver when using old FW, not blocking but we're pushing for a
fix.
Current release - new code bugs:
- eth: enetc: workaround for unresponsive pMAC after receiving
express traffic
Previous releases - regressions:
- rtnetlink: restore RTM_NEW/DELLINK notification behavior, keep the
pid/seq fields 0 for backward compatibility
Previous releases - always broken:
- sctp: fix a potential overflow in sctp_ifwdtsn_skip
- mptcp:
- use mptcp_schedule_work instead of open-coding it and make the
worker check stricter, to avoid scheduling work on closed
sockets
- fix NULL pointer dereference on fastopen early fallback
- skbuff: fix memory corruption due to a race between skb coalescing
and releasing clones confusing page_pool reference counting
- bonding: fix neighbor solicitation validation on backup slaves
- bpf: tcp: use sock_gen_put instead of sock_put in bpf_iter_tcp
- bpf: arm64: fixed a BTI error on returning to patched function
- openvswitch: fix race on port output leading to inf loop
- sfp: initialize sfp->i2c_block_size at sfp allocation to avoid
returning a different errno than expected
- phy: nxp-c45-tja11xx: unregister PTP, purge queues on remove
- Bluetooth: fix printing errors if LE Connection times out
- Bluetooth: assorted UaF, deadlock and data race fixes
- eth: macb: fix memory corruption in extended buffer descriptor mode
Misc:
- adjust the XDP Rx flow hash API to also include the protocol layers
over which the hash was computed"
* tag 'net-6.3-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net: (50 commits)
selftests/bpf: Adjust bpf_xdp_metadata_rx_hash for new arg
mlx4: bpf_xdp_metadata_rx_hash add xdp rss hash type
veth: bpf_xdp_metadata_rx_hash add xdp rss hash type
mlx5: bpf_xdp_metadata_rx_hash add xdp rss hash type
xdp: rss hash types representation
selftests/bpf: xdp_hw_metadata remove bpf_printk and add counters
skbuff: Fix a race between coalescing and releasing SKBs
net: macb: fix a memory corruption in extended buffer descriptor mode
selftests: add the missing CONFIG_IP_SCTP in net config
udp6: fix potential access to stale information
selftests: openvswitch: adjust datapath NL message declaration
selftests: mptcp: userspace pm: uniform verify events
mptcp: fix NULL pointer dereference on fastopen early fallback
mptcp: stricter state check in mptcp_worker
mptcp: use mptcp_schedule_work instead of open-coding it
net: enetc: workaround for unresponsive pMAC after receiving express traffic
sctp: fix a potential overflow in sctp_ifwdtsn_skip
net: qrtr: Fix an uninit variable access bug in qrtr_tx_resume()
rtnetlink: Restore RTM_NEW/DELLINK notification behavior
net: ti/cpsw: Add explicit platform_device.h and of_platform.h includes
...
Update BPF selftests to use the new RSS type argument for kfunc
bpf_xdp_metadata_rx_hash.
Signed-off-by: Jesper Dangaard Brouer <brouer@redhat.com>
Acked-by: Toke Høiland-Jørgensen <toke@redhat.com>
Acked-by: Stanislav Fomichev <sdf@google.com>
Link: https://lore.kernel.org/r/168132894068.340624.8914711185697163690.stgit@firesoul
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
The tool xdp_hw_metadata can be used by driver developers
implementing XDP-hints metadata kfuncs.
Remove all bpf_printk calls, as the tool already transfers all the
XDP-hints related information via metadata area to AF_XDP
userspace process.
Add counters for providing remaining information about failure and
skipped packet events.
Signed-off-by: Jesper Dangaard Brouer <brouer@redhat.com>
Acked-by: Stanislav Fomichev <sdf@google.com>
Link: https://lore.kernel.org/r/168132891533.340624.7313781245316405141.stgit@firesoul
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
The selftest sctp_vrf needs CONFIG_IP_SCTP set in config
when building the kernel, so add it.
Fixes: a61bd7b9fe ("selftests: add a selftest for sctp vrf")
Reported-by: Naresh Kamboju <naresh.kamboju@linaro.org>
Signed-off-by: Xin Long <lucien.xin@gmail.com>
Reviewed-by: Sridhar Samudrala <sridhar.samudrala@intel.com>
Link: https://lore.kernel.org/r/61dddebc4d2dd98fe7fb145e24d4b2430e42b572.1681312386.git.lucien.xin@gmail.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
The netlink message for creating a new datapath takes an array
of ports for the PID creation. This shouldn't cause much issue
but correct it for future cases where we need to do decode of
datapath information that could include the per-cpu PID map.
Fixes: 25f16c873f ("selftests: add openvswitch selftest suite")
Signed-off-by: Aaron Conole <aconole@redhat.com>
Link: https://lore.kernel.org/r/20230412115828.3991806-1-aconole@redhat.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Simply adding a "sleep" before checking something is usually not a good
idea because the time that has been picked can not be enough or too
much. The best is to wait for events with a timeout.
In this selftest, 'sleep 0.5' is used more than 40 times. It is always
used before calling a 'verify_*' function except for this
verify_listener_events which has been added later.
At the end, using all these 'sleep 0.5' seems to work: the slow CIs
don't complain so far. Also because it doesn't take too much time, we
can just add two more 'sleep 0.5' to uniform what is done before calling
a 'verify_*' function. For the same reasons, we can also delay a bigger
refactoring to replace all these 'sleep 0.5' by functions waiting for
events instead of waiting for a fix time and hope for the best.
Fixes: 6c73008aa3 ("selftests: mptcp: listener test for userspace PM")
Cc: stable@vger.kernel.org
Suggested-by: Paolo Abeni <pabeni@redhat.com>
Signed-off-by: Matthieu Baerts <matthieu.baerts@tessares.net>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
23 are cc:stable and the other 5 address issues which were introduced
during this merge cycle.
20 are for MM and the remainder are for other subsystems.
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Merge tag 'mm-hotfixes-stable-2023-04-07-16-23' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm
Pull MM fixes from Andrew Morton:
"28 hotfixes.
23 are cc:stable and the other five address issues which were
introduced during this merge cycle.
20 are for MM and the remainder are for other subsystems"
* tag 'mm-hotfixes-stable-2023-04-07-16-23' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm: (28 commits)
maple_tree: fix a potential concurrency bug in RCU mode
maple_tree: fix get wrong data_end in mtree_lookup_walk()
mm/swap: fix swap_info_struct race between swapoff and get_swap_pages()
nilfs2: fix sysfs interface lifetime
mm: take a page reference when removing device exclusive entries
mm: vmalloc: avoid warn_alloc noise caused by fatal signal
nilfs2: initialize "struct nilfs_binfo_dat"->bi_pad field
nilfs2: fix potential UAF of struct nilfs_sc_info in nilfs_segctor_thread()
zsmalloc: document freeable stats
zsmalloc: document new fullness grouping
fsdax: force clear dirty mark if CoW
mm/hugetlb: fix uffd wr-protection for CoW optimization path
mm: enable maple tree RCU mode by default
maple_tree: add RCU lock checking to rcu callback functions
maple_tree: add smp_rmb() to dead node detection
maple_tree: fix write memory barrier of nodes once dead for RCU mode
maple_tree: remove extra smp_wmb() from mas_dead_leaves()
maple_tree: fix freeing of nodes in rcu mode
maple_tree: detect dead nodes in mas_start()
maple_tree: be more cautious about dead nodes
...
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Merge tag 'for-netdev' of https://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf
Daniel Borkmann says:
====================
pull-request: bpf 2023-04-08
We've added 4 non-merge commits during the last 11 day(s) which contain
a total of 5 files changed, 39 insertions(+), 6 deletions(-).
The main changes are:
1) Fix BPF TCP socket iterator to use correct helper for dropping
socket's refcount, that is, sock_gen_put instead of sock_put,
from Martin KaFai Lau.
2) Fix a BTI exception splat in BPF trampoline-generated code on arm64,
from Xu Kuohai.
3) Fix a LongArch JIT error from missing BPF_NOSPEC no-op, from George Guo.
4) Fix dynamic XDP feature detection of veth in xdp_redirect selftest,
from Lorenzo Bianconi.
* tag 'for-netdev' of https://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf:
selftests/bpf: fix xdp_redirect xdp-features selftest for veth driver
bpf, arm64: Fixed a BTI error on returning to patched function
LoongArch, bpf: Fix jit to skip speculation barrier opcode
bpf: tcp: Use sock_gen_put instead of sock_put in bpf_iter_tcp
====================
Link: https://lore.kernel.org/r/20230407224642.30906-1-daniel@iogearbox.net
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
This patch add bonding arp validate tests with mode active backup,
monitor arp_ip_target and ns_ip6_target. It also checks mii_status
to make sure all slaves are UP.
Acked-by: Jonathan Toppins <jtoppins@redhat.com>
Acked-by: Jay Vosburgh <jay.vosburgh@canonical.com>
Signed-off-by: Hangbin Liu <liuhangbin@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
To improve the testing process for bond options, A new bond topology lib
is added to our testing setup. The current option_prio.sh file will be
renamed to bond_options.sh so that all bonding options can be tested here.
Specifically, for priority testing, we will run all tests using modes
1, 5, and 6. These changes will help us streamline the testing process
and ensure that our bond options are rigorously evaluated.
Acked-by: Jay Vosburgh <jay.vosburgh@canonical.com>
Signed-off-by: Hangbin Liu <liuhangbin@gmail.com>
Acked-by: Jonathan Toppins <jtoppins@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Current release - regressions:
- wifi: mac80211:
- fix potential null pointer dereference
- fix receiving mesh packets in forwarding=0 networks
- fix mesh forwarding
Current release - new code bugs:
- virtio/vsock: fix leaks due to missing skb owner
Previous releases - regressions:
- raw: fix NULL deref in raw_get_next().
- sctp: check send stream number after wait_for_sndbuf
- qrtr:
- fix a refcount bug in qrtr_recvmsg()
- do not do DEL_SERVER broadcast after DEL_CLIENT
- wifi: brcmfmac: fix SDIO suspend/resume regression
- wifi: mt76: fix use-after-free in fw features query.
- can: fix race between isotp_sendsmg() and isotp_release()
- eth: mtk_eth_soc: fix remaining throughput regression
-eth: ice: reset FDIR counter in FDIR init stage
Previous releases - always broken:
- core: don't let netpoll invoke NAPI if in xmit context
- icmp: guard against too small mtu
- ipv6: fix an uninit variable access bug in __ip6_make_skb()
- wifi: mac80211: fix the size calculation of ieee80211_ie_len_eht_cap()
- can: fix poll() to not report false EPOLLOUT events
- eth: gve: secure enough bytes in the first TX desc for all TCP pkts
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Merge tag 'net-6.3-rc6-2' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
Pull networking fixes from Jakub Kicinski:
"Including fixes from wireless and can.
Current release - regressions:
- wifi: mac80211:
- fix potential null pointer dereference
- fix receiving mesh packets in forwarding=0 networks
- fix mesh forwarding
Current release - new code bugs:
- virtio/vsock: fix leaks due to missing skb owner
Previous releases - regressions:
- raw: fix NULL deref in raw_get_next().
- sctp: check send stream number after wait_for_sndbuf
- qrtr:
- fix a refcount bug in qrtr_recvmsg()
- do not do DEL_SERVER broadcast after DEL_CLIENT
- wifi: brcmfmac: fix SDIO suspend/resume regression
- wifi: mt76: fix use-after-free in fw features query.
- can: fix race between isotp_sendsmg() and isotp_release()
- eth: mtk_eth_soc: fix remaining throughput regression
- eth: ice: reset FDIR counter in FDIR init stage
Previous releases - always broken:
- core: don't let netpoll invoke NAPI if in xmit context
- icmp: guard against too small mtu
- ipv6: fix an uninit variable access bug in __ip6_make_skb()
- wifi: mac80211: fix the size calculation of
ieee80211_ie_len_eht_cap()
- can: fix poll() to not report false EPOLLOUT events
- eth: gve: secure enough bytes in the first TX desc for all TCP
pkts"
* tag 'net-6.3-rc6-2' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net: (47 commits)
net: stmmac: check fwnode for phy device before scanning for phy
net: stmmac: Add queue reset into stmmac_xdp_open() function
selftests: net: rps_default_mask.sh: delete veth link specifically
net: fec: make use of MDIO C45 quirk
can: isotp: fix race between isotp_sendsmg() and isotp_release()
can: isotp: isotp_ops: fix poll() to not report false EPOLLOUT events
can: isotp: isotp_recvmsg(): use sock_recv_cmsgs() to get SOCK_RXQ_OVFL infos
can: j1939: j1939_tp_tx_dat_new(): fix out-of-bounds memory access
gve: Secure enough bytes in the first TX desc for all TCP pkts
netlink: annotate lockless accesses to nlk->max_recvmsg_len
ethtool: reset #lanes when lanes is omitted
ping: Fix potentail NULL deref for /proc/net/icmp.
raw: Fix NULL deref in raw_get_next().
ice: Reset FDIR counter in FDIR init stage
ice: fix wrong fallback logic for FDIR
net: stmmac: fix up RX flow hash indirection table when setting channels
net: ethernet: ti: am65-cpsw: Fix mdio cleanup in probe
wifi: mt76: ignore key disable commands
wifi: ath11k: reduce the MHI timeout to 20s
ipv6: Fix an uninit variable access bug in __ip6_make_skb()
...
This Kselftest fixes update for Linux 6.3-rc6 consists of one single
fix to mount_setattr_test build failure.
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Merge tag 'linux-kselftest-fixes-6.3-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/shuah/linux-kselftest
Pull Kselftest fixes from Shuah Khan:
"One single fix to mount_setattr_test build failure"
* tag 'linux-kselftest-fixes-6.3-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/shuah/linux-kselftest:
selftests mount: Fix mount_setattr_test builds failed
xdp-features supported by veth driver are no more static, but they
depends on veth configuration (e.g. if GRO is enabled/disabled or
TX/RX queue configuration). Take it into account in xdp_redirect
xdp-features selftest for veth driver.
Fixes: fccca038f3 ("veth: take into account device reconfiguration for xdp_features flag")
Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org>
Link: https://lore.kernel.org/r/bc35455cfbb1d4f7f52536955ded81ad47d8dc54.1680777371.git.lorenzo@kernel.org
Signed-off-by: Martin KaFai Lau <martin.lau@kernel.org>
When deleting the netns and recreating a new one while re-adding the
veth interface, there is a small window of time during which the old
veth interface has not yet been removed. This can cause the new addition
to fail. To resolve this issue, we can either wait for a short while to
ensure that the old veth interface is deleted, or we can specifically
remove the veth interface.
Before this patch:
# ./rps_default_mask.sh
empty rps_default_mask [ ok ]
changing rps_default_mask dont affect existing devices [ ok ]
changing rps_default_mask dont affect existing netns [ ok ]
changing rps_default_mask affect newly created devices [ ok ]
changing rps_default_mask don't affect newly child netns[II][ ok ]
rps_default_mask is 0 by default in child netns [ ok ]
RTNETLINK answers: File exists
changing rps_default_mask in child ns don't affect the main one[ ok ]
cat: /sys/class/net/vethC11an1/queues/rx-0/rps_cpus: No such file or directory
changing rps_default_mask in child ns affects new childns devices./rps_default_mask.sh: line 36: [: -eq: unary operator expected
[fail] expected 1 found
changing rps_default_mask in child ns don't affect existing devices[ ok ]
After this patch:
# ./rps_default_mask.sh
empty rps_default_mask [ ok ]
changing rps_default_mask dont affect existing devices [ ok ]
changing rps_default_mask dont affect existing netns [ ok ]
changing rps_default_mask affect newly created devices [ ok ]
changing rps_default_mask don't affect newly child netns[II][ ok ]
rps_default_mask is 0 by default in child netns [ ok ]
changing rps_default_mask in child ns don't affect the main one[ ok ]
changing rps_default_mask in child ns affects new childns devices[ ok ]
changing rps_default_mask in child ns don't affect existing devices[ ok ]
Fixes: 3a7d84eae0 ("self-tests: more rps self tests")
Signed-off-by: Hangbin Liu <liuhangbin@gmail.com>
Acked-by: Paolo Abeni <pabeni@redhat.com>
Link: https://lore.kernel.org/r/20230404072411.879476-1-liuhangbin@gmail.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
During the development of the maple tree, the strategy of freeing multiple
nodes changed and, in the process, the pivots were reused to store
pointers to dead nodes. To ensure the readers see accurate pivots, the
writers need to mark the nodes as dead and call smp_wmb() to ensure any
readers can identify the node as dead before using the pivot values.
There were two places where the old method of marking the node as dead
without smp_wmb() were being used, which resulted in RCU readers seeing
the wrong pivot value before seeing the node was dead. Fix this race
condition by using mte_set_node_dead() which has the smp_wmb() call to
ensure the race is closed.
Add a WARN_ON() to the ma_free_rcu() call to ensure all nodes being freed
are marked as dead to ensure there are no other call paths besides the two
updated paths.
This is necessary for the RCU mode of the maple tree.
Link: https://lkml.kernel.org/r/20230227173632.3292573-6-surenb@google.com
Fixes: 54a611b605 ("Maple Tree: add new data structure")
Signed-off-by: Liam R. Howlett <Liam.Howlett@oracle.com>
Signed-off-by: Suren Baghdasaryan <surenb@google.com>
Cc: <stable@vger.kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
When compiling selftests with target mount_setattr I encountered some errors with the below messages:
mount_setattr_test.c: In function ‘mount_setattr_thread’:
mount_setattr_test.c:343:16: error: variable ‘attr’ has initializer but incomplete type
343 | struct mount_attr attr = {
| ^~~~~~~~~~
These errors might be because of linux/mount.h is not included. This patch resolves that issue.
Signed-off-by: Anh Tuan Phan <tuananhlfc@gmail.com>
Acked-by: Christian Brauner <brauner@kernel.org>
Signed-off-by: Shuah Khan <skhan@linuxfoundation.org>
Current release - regressions:
- phy: micrel: correct KSZ9131RNX EEE capabilities and advertisement
Current release - new code bugs:
- eth: wangxun: fix vector length of interrupt cause
- vsock/loopback: consistently protect the packet queue with
sk_buff_head.lock
- virtio/vsock: fix header length on skb merging
- wpan: ca8210: fix unsigned mac_len comparison with zero
Previous releases - regressions:
- eth: stmmac: don't reject VLANs when IFF_PROMISC is set
- eth: smsc911x: avoid PHY being resumed when interface is not up
- eth: mtk_eth_soc: fix tx throughput regression with direct 1G links
- eth: bnx2x: use the right build_skb() helper after core rework
- wwan: iosm: fix 7560 modem crash on use on unsupported channel
Previous releases - always broken:
- eth: sfc: don't overwrite offload features at NIC reset
- eth: r8169: fix RTL8168H and RTL8107E rx crc error
- can: j1939: prevent deadlock by moving j1939_sk_errqueue()
- virt: vmxnet3: use GRO callback when UPT is enabled
- virt: xen: don't do grant copy across page boundary
- phy: dp83869: fix default value for tx-/rx-internal-delay
- dsa: ksz8: fix multiple issues with ksz8_fdb_dump
- eth: mvpp2: fix classification/RSS of VLAN and fragmented packets
- eth: mtk_eth_soc: fix flow block refcounting logic
Misc:
- constify fwnode pointers in SFP handling
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Merge tag 'net-6.3-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
Pull networking fixes from Jakub Kicinski:
"Including fixes from CAN and WPAN.
Still quite a few bugs from this release. This pull is a bit smaller
because major subtrees went into the previous one. Or maybe people
took spring break off?
Current release - regressions:
- phy: micrel: correct KSZ9131RNX EEE capabilities and advertisement
Current release - new code bugs:
- eth: wangxun: fix vector length of interrupt cause
- vsock/loopback: consistently protect the packet queue with
sk_buff_head.lock
- virtio/vsock: fix header length on skb merging
- wpan: ca8210: fix unsigned mac_len comparison with zero
Previous releases - regressions:
- eth: stmmac: don't reject VLANs when IFF_PROMISC is set
- eth: smsc911x: avoid PHY being resumed when interface is not up
- eth: mtk_eth_soc: fix tx throughput regression with direct 1G links
- eth: bnx2x: use the right build_skb() helper after core rework
- wwan: iosm: fix 7560 modem crash on use on unsupported channel
Previous releases - always broken:
- eth: sfc: don't overwrite offload features at NIC reset
- eth: r8169: fix RTL8168H and RTL8107E rx crc error
- can: j1939: prevent deadlock by moving j1939_sk_errqueue()
- virt: vmxnet3: use GRO callback when UPT is enabled
- virt: xen: don't do grant copy across page boundary
- phy: dp83869: fix default value for tx-/rx-internal-delay
- dsa: ksz8: fix multiple issues with ksz8_fdb_dump
- eth: mvpp2: fix classification/RSS of VLAN and fragmented packets
- eth: mtk_eth_soc: fix flow block refcounting logic
Misc:
- constify fwnode pointers in SFP handling"
* tag 'net-6.3-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net: (55 commits)
net: ethernet: mtk_eth_soc: add missing ppe cache flush when deleting a flow
net: ethernet: mtk_eth_soc: fix L2 offloading with DSA untag offload
net: ethernet: mtk_eth_soc: fix flow block refcounting logic
net: mvneta: fix potential double-frees in mvneta_txq_sw_deinit()
net: dsa: sync unicast and multicast addresses for VLAN filters too
net: dsa: mv88e6xxx: Enable IGMP snooping on user ports only
xen/netback: use same error messages for same errors
test/vsock: new skbuff appending test
virtio/vsock: WARN_ONCE() for invalid state of socket
virtio/vsock: fix header length on skb merging
bnxt_en: Add missing 200G link speed reporting
bnxt_en: Fix typo in PCI id to device description string mapping
bnxt_en: Fix reporting of test result in ethtool selftest
i40e: fix registers dump after run ethtool adapter self test
bnx2x: use the right build_skb() helper
net: ipa: compute DMA pool size properly
net: wwan: iosm: fixes 7560 modem crash
net: ethernet: mtk_eth_soc: fix tx throughput regression with direct 1G links
ice: fix invalid check for empty list in ice_sched_assoc_vsi_to_agg()
ice: add profile conflict check for AVF FDIR
...
This adds test which checks case when data of newly received skbuff is
appended to the last skbuff in the socket's queue. It looks like simple
test with 'send()' and 'recv()', but internally it triggers logic which
appends one received skbuff to another. Test checks that this feature
works correctly.
This test is actual only for virtio transport.
Signed-off-by: Arseniy Krasnov <AVKrasnov@sberdevices.ru>
Reviewed-by: Stefano Garzarella <sgarzare@redhat.com>
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
This Kselftest fixes update for Linux 6.3-rc5 consists of one single
fix for sigaltstack test -Wuninitialized warning found when building
with clang.
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Merge tag 'linux-kselftest-fixes-6.3-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/shuah/linux-kselftest
Pull Kselftest fixes from Shuah Khan:
"One single fix for sigaltstack test -Wuninitialized warning found when
building with clang"
* tag 'linux-kselftest-fixes-6.3-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/shuah/linux-kselftest:
selftests: sigaltstack: fix -Wuninitialized
- Prevent a false-positive warning when retrieving the (invalid) address of
dynamic FPU features in their init state which are not saved in
init_fpstate at all
- Randomize per-CPU entry areas only when KASLR is enabled
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Merge tag 'x86_urgent_for_v6.3_rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull x86 fixes from Borislav Petkov:
- Add a AMX ptrace self test
- Prevent a false-positive warning when retrieving the (invalid)
address of dynamic FPU features in their init state which are not
saved in init_fpstate at all
- Randomize per-CPU entry areas only when KASLR is enabled
* tag 'x86_urgent_for_v6.3_rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
selftests/x86/amx: Add a ptrace test
x86/fpu/xstate: Prevent false-positive warning in __copy_xstate_uabi_buf()
x86/mm: Do not shuffle CPU entry areas without KASLR
for other subsystems.
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Merge tag 'mm-hotfixes-stable-2023-03-24-17-09' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm
Pull misc fixes from Andrew Morton:
"21 hotfixes, 8 of which are cc:stable. 11 are for MM, the remainder
are for other subsystems"
* tag 'mm-hotfixes-stable-2023-03-24-17-09' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm: (21 commits)
mm: mmap: remove newline at the end of the trace
mailmap: add entries for Richard Leitner
kcsan: avoid passing -g for test
kfence: avoid passing -g for test
mm: kfence: fix using kfence_metadata without initialization in show_object()
lib: dhry: fix unstable smp_processor_id(_) usage
mailmap: add entry for Enric Balletbo i Serra
mailmap: map Sai Prakash Ranjan's old address to his current one
mailmap: map Rajendra Nayak's old address to his current one
Revert "kasan: drop skip_kasan_poison variable in free_pages_prepare"
mailmap: add entry for Tobias Klauser
kasan, powerpc: don't rename memintrinsics if compiler adds prefixes
mm/ksm: fix race with VMA iteration and mm_struct teardown
kselftest: vm: fix unused variable warning
mm: fix error handling for map_deny_write_exec
mm: deduplicate error handling for map_deny_write_exec
checksyscalls: ignore fstat to silence build warning on LoongArch
nilfs2: fix kernel-infoleak in nilfs_ioctl_wrap_copy()
test_maple_tree: add more testing for mas_empty_area()
maple_tree: fix mas_skip_node() end slot detection
...
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Merge tag 'for-netdev' of https://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf
Daniel Borkmann says:
====================
pull-request: bpf 2023-03-23
We've added 8 non-merge commits during the last 13 day(s) which contain
a total of 21 files changed, 238 insertions(+), 161 deletions(-).
The main changes are:
1) Fix verification issues in some BPF programs due to their stack usage
patterns, from Eduard Zingerman.
2) Fix to add missing overflow checks in xdp_umem_reg and return an error
in such case, from Kal Conley.
3) Fix and undo poisoning of strlcpy in libbpf given it broke builds for
libcs which provided the former like uClibc-ng, from Jesus Sanchez-Palencia.
4) Fix insufficient bpf_jit_limit default to avoid users running into hard
to debug seccomp BPF errors, from Daniel Borkmann.
5) Fix driver return code when they don't support a bpf_xdp_metadata kfunc
to make it unambiguous from other errors, from Jesper Dangaard Brouer.
6) Two BPF selftest fixes to address compilation errors from recent changes
in kernel structures, from Alexei Starovoitov.
* tag 'for-netdev' of https://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf:
xdp: bpf_xdp_metadata use EOPNOTSUPP for no driver support
bpf: Adjust insufficient default bpf_jit_limit
xsk: Add missing overflow check in xdp_umem_reg
selftests/bpf: Fix progs/test_deny_namespace.c issues.
selftests/bpf: Fix progs/find_vma_fail1.c build error.
libbpf: Revert poisoning of strlcpy
selftests/bpf: Tests for uninitialized stack reads
bpf: Allow reads from uninit stack
====================
Link: https://lore.kernel.org/r/20230323225221.6082-1-daniel@iogearbox.net
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Include a test case to validate the XTILEDATA injection to the target.
Also, it ensures the kernel's ability to copy states between different
XSAVE formats.
Refactor the memcmp() code to be usable for the state validation.
Signed-off-by: Chang S. Bae <chang.seok.bae@intel.com>
Signed-off-by: Dave Hansen <dave.hansen@linux.intel.com>
Cc: stable@vger.kernel.org
Link: https://lore.kernel.org/all/20230227210504.18520-3-chang.seok.bae%40intel.com
Building sigaltstack with clang via:
$ ARCH=x86 make LLVM=1 -C tools/testing/selftests/sigaltstack/
produces the following warning:
warning: variable 'sp' is uninitialized when used here [-Wuninitialized]
if (sp < (unsigned long)sstack ||
^~
Clang expects these to be declared at global scope; we've fixed this in
the kernel proper by using the macro `current_stack_pointer`. This is
defined in different headers for different target architectures, so just
create a new header that defines the arch-specific register names for
the stack pointer register, and define it for more targets (at least the
ones that support current_stack_pointer/ARCH_HAS_CURRENT_STACK_POINTER).
Reported-by: Linux Kernel Functional Testing <lkft@linaro.org>
Link: https://lore.kernel.org/lkml/CA+G9fYsi3OOu7yCsMutpzKDnBMAzJBCPimBp86LhGBa0eCnEpA@mail.gmail.com/
Signed-off-by: Nick Desaulniers <ndesaulniers@google.com>
Reviewed-by: Kees Cook <keescook@chromium.org>
Tested-by: Linux Kernel Functional Testing <lkft@linaro.org>
Tested-by: Anders Roxell <anders.roxell@linaro.org>
Signed-off-by: Shuah Khan <skhan@linuxfoundation.org>
Current release - regressions:
- phy: mscc: fix deadlock in phy_ethtool_{get,set}_wol()
- virtio: vsock: don't use skbuff state to account credit
- virtio: vsock: don't drop skbuff on copy failure
- virtio_net: fix page_to_skb() miscalculating the memory size
Current release - new code bugs:
- eth: correct xdp_features after device reconfig
- wifi: nl80211: fix the puncturing bitmap policy
- net/mlx5e: flower:
- fix raw counter initialization
- fix missing error code
- fix cloned flow attribute
- ipa:
- fix some register validity checks
- fix a surprising number of bad offsets
- kill FILT_ROUT_CACHE_CFG IPA register
Previous releases - regressions:
- tcp: fix bind() conflict check for dual-stack wildcard address
- veth: fix use after free in XDP_REDIRECT when skb headroom is small
- ipv4: fix incorrect table ID in IOCTL path
- ipvlan: make skb->skb_iif track skb->dev for l3s mode
- mptcp:
- fix possible deadlock in subflow_error_report
- fix UaFs when destroying unaccepted and listening sockets
- dsa: mv88e6xxx: fix max_mtu of 1492 on 6165, 6191, 6220, 6250, 6290
Previous releases - always broken:
- tcp: tcp_make_synack() can be called from process context,
don't assume preemption is disabled when updating stats
- netfilter: correct length for loading protocol registers
- virtio_net: add checking sq is full inside xdp xmit
- bonding: restore IFF_MASTER/SLAVE flags on bond enslave
Ethertype change
- phy: nxp-c45-tja11xx: fix MII_BASIC_CONFIG_REV bit number
- eth: i40e: fix crash during reboot when adapter is in recovery mode
- eth: ice: avoid deadlock on rtnl lock when auxiliary device
plug/unplug meets bonding
- dsa: mt7530:
- remove now incorrect comment regarding port 5
- set PLL frequency and trgmii only when trgmii is used
- eth: mtk_eth_soc: reset PCS state when changing interface types
Misc:
- ynl: another license adjustment
- move the TCA_EXT_WARN_MSG attribute for tc action
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Merge tag 'net-6.3-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
Pull networking fixes from Jakub Kicinski:
"Including fixes from netfilter, wifi and ipsec.
A little more changes than usual, but it's pretty normal for us that
the rc3/rc4 PRs are oversized as people start testing in earnest.
Possibly an extra boost from people deploying the 6.1 LTS but that's
more of an unscientific hunch.
Current release - regressions:
- phy: mscc: fix deadlock in phy_ethtool_{get,set}_wol()
- virtio: vsock: don't use skbuff state to account credit
- virtio: vsock: don't drop skbuff on copy failure
- virtio_net: fix page_to_skb() miscalculating the memory size
Current release - new code bugs:
- eth: correct xdp_features after device reconfig
- wifi: nl80211: fix the puncturing bitmap policy
- net/mlx5e: flower:
- fix raw counter initialization
- fix missing error code
- fix cloned flow attribute
- ipa:
- fix some register validity checks
- fix a surprising number of bad offsets
- kill FILT_ROUT_CACHE_CFG IPA register
Previous releases - regressions:
- tcp: fix bind() conflict check for dual-stack wildcard address
- veth: fix use after free in XDP_REDIRECT when skb headroom is small
- ipv4: fix incorrect table ID in IOCTL path
- ipvlan: make skb->skb_iif track skb->dev for l3s mode
- mptcp:
- fix possible deadlock in subflow_error_report
- fix UaFs when destroying unaccepted and listening sockets
- dsa: mv88e6xxx: fix max_mtu of 1492 on 6165, 6191, 6220, 6250, 6290
Previous releases - always broken:
- tcp: tcp_make_synack() can be called from process context, don't
assume preemption is disabled when updating stats
- netfilter: correct length for loading protocol registers
- virtio_net: add checking sq is full inside xdp xmit
- bonding: restore IFF_MASTER/SLAVE flags on bond enslave Ethertype
change
- phy: nxp-c45-tja11xx: fix MII_BASIC_CONFIG_REV bit number
- eth: i40e: fix crash during reboot when adapter is in recovery mode
- eth: ice: avoid deadlock on rtnl lock when auxiliary device
plug/unplug meets bonding
- dsa: mt7530:
- remove now incorrect comment regarding port 5
- set PLL frequency and trgmii only when trgmii is used
- eth: mtk_eth_soc: reset PCS state when changing interface types
Misc:
- ynl: another license adjustment
- move the TCA_EXT_WARN_MSG attribute for tc action"
* tag 'net-6.3-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net: (108 commits)
selftests: bonding: add tests for ether type changes
bonding: restore bond's IFF_SLAVE flag if a non-eth dev enslave fails
bonding: restore IFF_MASTER/SLAVE flags on bond enslave ether type change
net: renesas: rswitch: Fix GWTSDIE register handling
net: renesas: rswitch: Fix the output value of quote from rswitch_rx()
ethernet: sun: add check for the mdesc_grab()
net: ipa: fix some register validity checks
net: ipa: kill FILT_ROUT_CACHE_CFG IPA register
net: ipa: add two missing declarations
net: ipa: reg: include <linux/bug.h>
net: xdp: don't call notifiers during driver init
net/sched: act_api: add specific EXT_WARN_MSG for tc action
Revert "net/sched: act_api: move TCA_EXT_WARN_MSG to the correct hierarchy"
net: dsa: microchip: fix RGMII delay configuration on KSZ8765/KSZ8794/KSZ8795
ynl: make the tooling check the license
ynl: broaden the license even more
tools: ynl: make definitions optional again
hsr: ratelimit only when errors are printed
qed/qed_mng_tlv: correctly zero out ->min instead of ->hour
selftests: net: devlink_port_split.py: skip test if no suitable device available
...
Add new network selftests for the bonding device which exercise the ether
type changing call paths. They also test for the recent syzbot bug[1] which
causes a warning and results in wrong device flags (IFF_SLAVE missing).
The test adds three bond devices and a nlmon device, enslaves one of the
bond devices to the other and then uses the nlmon device for successful
and unsuccesful enslaves both of which change the bond ether type. Thus
we can test for both MASTER and SLAVE flags at the same time.
If the flags are properly restored we get:
TEST: Change ether type of an enslaved bond device with unsuccessful enslave [ OK ]
TEST: Change ether type of an enslaved bond device with successful enslave [ OK ]
[1] https://syzkaller.appspot.com/bug?id=391c7b1f6522182899efba27d891f1743e8eb3ef
Signed-off-by: Nikolay Aleksandrov <razor@blackwall.org>
Reviewed-by: Michal Kubiak <michal.kubiak@intel.com>
Acked-by: Jonathan Toppins <jtoppins@redhat.com>
Acked-by: Jay Vosburgh <jay.vosburgh@canonical.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
The `devlink -j port show` command output may not contain the "flavour"
key, an example from Ubuntu 22.10 s390x LPAR(5.19.0-37-generic), with
mlx4 driver and iproute2-5.15.0:
{"port":{"pci/0001:00:00.0/1":{"type":"eth","netdev":"ens301"},
"pci/0001:00:00.0/2":{"type":"eth","netdev":"ens301d1"},
"pci/0002:00:00.0/1":{"type":"eth","netdev":"ens317"},
"pci/0002:00:00.0/2":{"type":"eth","netdev":"ens317d1"}}}
This will cause a KeyError exception.
Create a validate_devlink_output() to check for this "flavour" from
devlink command output to avoid this KeyError exception. Also let
it handle the check for `devlink -j dev show` output in main().
Apart from this, if the test was not started because the max lanes of
the designated device is 0. The script will still return 0 and thus
causing a false-negative test result.
Use a found_max_lanes flag to determine if these tests were skipped
due to this reason and return KSFT_SKIP to make it more clear.
Link: https://bugs.launchpad.net/bugs/1937133
Fixes: f3348a82e7 ("selftests: net: Add port split test")
Signed-off-by: Po-Hsu Lin <po-hsu.lin@canonical.com>
Link: https://lore.kernel.org/r/20230315165353.229590-1-po-hsu.lin@canonical.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
* Address a rather annoying bug w.r.t. guest timer offsetting. The
synchronization of timer offsets between vCPUs was broken, leading to
inconsistent timer reads within the VM.
x86:
* New tests for the slow path of the EVTCHNOP_send Xen hypercall
* Add missing nVMX consistency checks for CR0 and CR4
* Fix bug that broke AMD GATag on 512 vCPU machines
Selftests:
* Skip hugetlb tests if huge pages are not available
* Sync KVM exit reasons
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Merge tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm
Pull kvm fixes from Paolo Bonzini:
"ARM64:
- Address a rather annoying bug w.r.t. guest timer offsetting. The
synchronization of timer offsets between vCPUs was broken, leading
to inconsistent timer reads within the VM.
x86:
- New tests for the slow path of the EVTCHNOP_send Xen hypercall
- Add missing nVMX consistency checks for CR0 and CR4
- Fix bug that broke AMD GATag on 512 vCPU machines
Selftests:
- Skip hugetlb tests if huge pages are not available
- Sync KVM exit reasons"
* tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm:
KVM: selftests: Sync KVM exit reasons in selftests
KVM: selftests: Add macro to generate KVM exit reason strings
KVM: selftests: Print expected and actual exit reason in KVM exit reason assert
KVM: selftests: Make vCPU exit reason test assertion common
KVM: selftests: Add EVTCHNOP_send slow path test to xen_shinfo_test
KVM: selftests: Use enum for test numbers in xen_shinfo_test
KVM: selftests: Add helpers to make Xen-style VMCALL/VMMCALL hypercalls
KVM: selftests: Move the guts of kvm_hypercall() to a separate macro
KVM: SVM: WARN if GATag generation drops VM or vCPU ID information
KVM: SVM: Modify AVIC GATag to support max number of 512 vCPUs
KVM: SVM: Fix a benign off-by-one bug in AVIC physical table mask
selftests: KVM: skip hugetlb tests if huge pages are not available
KVM: VMX: Use tabs instead of spaces for indentation
KVM: VMX: Fix indentation coding style issue
KVM: nVMX: remove unnecessary #ifdef
KVM: nVMX: add missing consistency checks for CR0 and CR4
KVM: arm64: timers: Convert per-vcpu virtual offset to a global value
This adds SOCK_STREAM and SOCK_SEQPACKET tests for invalid buffer case.
It tries to read data to NULL buffer (data already presents in socket's
queue), then uses valid buffer. For SOCK_STREAM second read must return
data, because skbuff is not dropped, but for SOCK_SEQPACKET skbuff will
be dropped by kernel, and 'recv()' will return EAGAIN.
Signed-off-by: Arseniy Krasnov <AVKrasnov@sberdevices.ru>
Reviewed-by: Stefano Garzarella <sgarzare@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This kselftest fixes update for Linux 6.3-rc3 consists of a fix to
amd-pstate test Makefile and a fix to LLVM build for i386 and x86_64
in kselftest common lib.mk.
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Merge tag 'linux-kselftest-fixes-6.3-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/shuah/linux-kselftest
Pull kselftest fixes from Shuah Khan:
"A fix to amd-pstate test Makefile and a fix to LLVM build for x86 in
kselftest common lib.mk"
* tag 'linux-kselftest-fixes-6.3-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/shuah/linux-kselftest:
selftests: fix LLVM build for i386 and x86_64
selftests: amd-pstate: fix TEST_FILES
The test checks if (IPv4, IPv6) address pair properly conflict or not.
* IPv4
* 0.0.0.0
* 127.0.0.1
* IPv6
* ::
* ::1
If the IPv6 address is [::], the second bind() always fails.
Signed-off-by: Kuniyuki Iwashima <kuniyu@amazon.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Add and use a macro to generate the KVM exit reason strings array
instead of relying on developers to correctly copy+paste+edit each
string.
Signed-off-by: Sean Christopherson <seanjc@google.com>
Message-Id: <20230204014547.583711-4-vipinsh@google.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Print what KVM exit reason a test was expecting and what it actually
got int TEST_ASSERT_KVM_EXIT_REASON().
Signed-off-by: Vipin Sharma <vipinsh@google.com>
Message-Id: <20230204014547.583711-3-vipinsh@google.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Make TEST_ASSERT_KVM_EXIT_REASON() macro and replace all exit reason
test assert statements with it.
No functional changes intended.
Signed-off-by: Vipin Sharma <vipinsh@google.com>
Reviewed-by: David Matlack <dmatlack@google.com>
Message-Id: <20230204014547.583711-2-vipinsh@google.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
When kvm_xen_evtchn_send() takes the slow path because the shinfo GPC
needs to be revalidated, it used to violate the SRCU vs. kvm->lock
locking rules and potentially cause a deadlock.
Now that lockdep is learning to catch such things, make sure that code
path is exercised by the selftest.
Link: https://lore.kernel.org/all/20230113124606.10221-2-dwmw2@infradead.org
Signed-off-by: David Woodhouse <dwmw@amazon.co.uk>
Signed-off-by: Sean Christopherson <seanjc@google.com>
Message-Id: <20230204024151.1373296-5-seanjc@google.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
The xen_shinfo_test started off with very few iterations, and the numbers
we used in GUEST_SYNC() were precisely mapped to the RUNSTATE_xxx values
anyway to start with.
It has since grown quite a few more tests, and it's kind of awful to be
handling them all as bare numbers. Especially when I want to add a new
test in the middle. Define an enum for the test stages, and use it both
in the guest code and the host switch statement.
No functional change, if I can count to 24.
Signed-off-by: David Woodhouse <dwmw@amazon.co.uk>
Signed-off-by: Sean Christopherson <seanjc@google.com>
Message-Id: <20230204024151.1373296-4-seanjc@google.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Add wrappers to do hypercalls using VMCALL/VMMCALL and Xen's register ABI
(as opposed to full Xen-style hypercalls through a hypervisor provided
page). Using the common helpers dedups a pile of code, and uses the
native hypercall instruction when running on AMD.
Signed-off-by: Sean Christopherson <seanjc@google.com>
Message-Id: <20230204024151.1373296-3-seanjc@google.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Extract the guts of kvm_hypercall() to a macro so that Xen hypercalls,
which have a different register ABI, can reuse the VMCALL vs. VMMCALL
logic.
No functional change intended.
Signed-off-by: Sean Christopherson <seanjc@google.com>
Message-Id: <20230204024151.1373296-2-seanjc@google.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Right now, if KVM memory stress tests are run with hugetlb sources but hugetlb is
not available (either in the kernel or because /proc/sys/vm/nr_hugepages is 0)
the test will fail with a memory allocation error.
This makes it impossible to add tests that default to hugetlb-backed memory,
because on a machine with a default configuration they will fail. Therefore,
check HugePages_Total as well and, if zero, direct the user to enable hugepages
in procfs. Furthermore, return KSFT_SKIP whenever hugetlb is not available.
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Merge commit bf9bec4cb3 ("Merge branch 'bpf: Allow reads from uninit stack'")
from bpf-next to bpf tree to address verification issues in some programs
due to stack usage.
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
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Merge tag 'kernel.fork.v6.3-rc2' of gitolite.kernel.org:pub/scm/linux/kernel/git/brauner/linux
Pull clone3 fix from Christian Brauner:
"A simple fix for the clone3() system call.
The CLONE_NEWTIME allows the creation of time namespaces. The flag
reuses a bit from the CSIGNAL bits that are used in the legacy clone()
system call to set the signal that gets sent to the parent after the
child exits.
The clone3() system call doesn't rely on CSIGNAL anymore as it uses a
dedicated .exit_signal field in struct clone_args. So we blocked all
CSIGNAL bits in clone3_args_valid(). When CLONE_NEWTIME was introduced
and reused a CSIGNAL bit we forgot to adapt clone3_args_valid()
causing CLONE_NEWTIME with clone3() to be rejected. Fix this"
* tag 'kernel.fork.v6.3-rc2' of gitolite.kernel.org:pub/scm/linux/kernel/git/brauner/linux:
selftests/clone3: test clone3 with CLONE_NEWTIME
fork: allow CLONE_NEWTIME in clone3 flags
In case of errors, the printed message had the expected and the seen
value inverted.
This patch simply correct the order: first the expected value, then the
one that has been seen.
Fixes: 10d4273411 ("selftests: mptcp: userspace: print error details if any")
Cc: stable@vger.kernel.org
Acked-by: Geliang Tang <geliang.tang@suse.com>
Signed-off-by: Matthieu Baerts <matthieu.baerts@tessares.net>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
The following build error can be seen:
progs/test_deny_namespace.c:22:19: error: call to undeclared function 'BIT_LL'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration]
__u64 cap_mask = BIT_LL(CAP_SYS_ADMIN);
The struct kernel_cap_struct no longer exists in the kernel as well.
Adjust bpf prog to fix both issues.
Fixes: f122a08b19 ("capability: just use a 'u64' instead of a 'u32[2]' array")
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
The commit 11e456cae9 ("selftests/bpf: Fix compilation errors: Assign a value to a constant")
fixed the issue cleanly in bpf-next.
This is an alternative fix in bpf tree to avoid merge conflict between bpf and bpf-next.
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
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Merge tag 'for-linus-2023030901' of git://git.kernel.org/pub/scm/linux/kernel/git/hid/hid
Pull HID fixes from Benjamin Tissoires:
- fix potential out of bound write of zeroes in HID core with a
specially crafted uhid device (Lee Jones)
- fix potential use-after-free in work function in intel-ish-hid (Reka
Norman)
- selftests config fixes (Benjamin Tissoires)
- few device small fixes and support
* tag 'for-linus-2023030901' of git://git.kernel.org/pub/scm/linux/kernel/git/hid/hid:
HID: intel-ish-hid: ipc: Fix potential use-after-free in work function
HID: logitech-hidpp: Add support for Logitech MX Master 3S mouse
HID: cp2112: Fix driver not registering GPIO IRQ chip as threaded
selftest: hid: fix hid_bpf not set in config
HID: uhid: Over-ride the default maximum data buffer value with our own
HID: core: Provide new max_buffer_size attribute to over-ride the default
Verify that clone3 can be called successfully with CLONE_NEWTIME in
flags.
Cc: Andrey Vagin <avagin@openvz.org>
Cc: Christian Brauner <brauner@kernel.org>
Cc: Shuah Khan <shuah@kernel.org>
Signed-off-by: Tobias Klauser <tklauser@distanz.ch>
Signed-off-by: Christian Brauner (Microsoft) <brauner@kernel.org>
