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WSL2-Linux-Kernel
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WSL2-Linux-Kernel/net
История
Juergen Gross a019d26830 xen/9p: use alloc/free_pages_exact() 
Commit 5cadd4bb1d upstream.

Instead of __get_free_pages() and free_pages() use alloc_pages_exact()
and free_pages_exact(). This is in preparation of a change of
gnttab_end_foreign_access() which will prohibit use of high-order
pages.

By using the local variable "order" instead of ring->intf->ring_order
in the error path of xen_9pfs_front_alloc_dataring() another bug is
fixed, as the error path can be entered before ring->intf->ring_order
is being set.

By using alloc_pages_exact() the size in bytes is specified for the
allocation, which fixes another bug for the case of
order < (PAGE_SHIFT - XEN_PAGE_SHIFT).

This is part of CVE-2022-23041 / XSA-396.

Reported-by: Simon Gaiser <simon@invisiblethingslab.com>
Signed-off-by: Juergen Gross <jgross@suse.com>
Reviewed-by: Jan Beulich <jbeulich@suse.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
 		2022-03-11 12:22:36 +01:00
..
6lowpan 6lowpan: iphc: Fix an off-by-one check of array index 2021-07-22 16:19:03 +02:00
9p xen/9p: use alloc/free_pages_exact() 2022-03-11 12:22:36 +01:00
802 net: 802: remove dead leftover after ipx driver removal 2021-08-13 16:30:35 -07:00
8021q net: vlan: fix underflow for the real_dev refcnt 2021-12-01 09:04:53 +01:00
appletalk net: socket: rework compat_ifreq_ioctl() 2021-07-23 14:20:25 +01:00
atm atm: Use list_for_each_entry() to simplify code in resources.c 2021-06-10 14:08:09 -07:00
ax25 ax25: improve the incomplete fix to avoid UAF and NPD bugs 2022-02-23 12:03:05 +01:00
batman-adv batman-adv: Don't expect inter-netns unique iflink indices 2022-03-08 19:12:45 +01:00
bluetooth Bluetooth: refactor malicious adv data check 2022-02-01 17:27:14 +01:00
bpf bpf, test, cgroup: Use sk_{alloc,free} for test cases 2021-09-28 09:29:28 +02:00
bpfilter bpfilter: Specify the log level for the kmsg message 2021-06-25 13:13:50 +02:00
bridge net: bridge: multicast: notify switchdev driver whenever MC processing gets disabled 2022-02-23 12:03:13 +01:00
caif net-caif: avoid user-triggerable WARN_ON(1) 2021-09-14 12:51:15 +01:00
can net-timestamp: convert sk->sk_tskey to atomic_t 2022-03-02 11:48:01 +01:00
ceph Networking changes for 5.14. 2021-06-30 15:51:09 -07:00
core net: fix up skbs delta_truesize in UDP GRO frag_list 2022-03-08 19:12:44 +01:00
dcb net: dcb: disable softirqs in dcbnl_flush_dev() 2022-03-08 19:12:52 +01:00
dccp tcp: switch orphan_count to bare per-cpu counters 2021-11-18 19:16:33 +01:00
decnet net: Remove redundant if statements 2021-08-05 13:27:50 +01:00
dns_resolver
…
dsa net: dsa: lan9303: handle hwaccel VLAN tags 2022-02-23 12:03:11 +01:00
ethernet move netdev_boot_setup into Space.c 2021-08-03 13:05:26 +01:00
ethtool ethtool: do not perform operations on net devices being unregistered 2021-12-14 10:57:09 +01:00
hsr net: hsr: don't check sequence number if tag removal is offloaded 2021-06-16 12:13:01 -07:00
ieee802154 net: ieee802154: Return meaningful error codes from the netlink helpers 2022-02-08 18:34:09 +01:00
ife
…
ipv4 Revert "xfrm: xfrm_state_mtu should return at least 1280 for ipv6" 2022-03-08 19:12:54 +01:00
ipv6 Revert "xfrm: xfrm_state_mtu should return at least 1280 for ipv6" 2022-03-08 19:12:54 +01:00
iucv net/iucv: Replace deprecated CPU-hotplug functions. 2021-08-09 10:13:32 +01:00
kcm net: sock: introduce sk_error_report 2021-06-29 11:28:21 -07:00
key net: Remove unnecessary variables 2021-05-26 07:03:39 +02:00
l2tp net/l2tp: Fix reference count leak in l2tp_udp_recv_core 2021-09-09 11:00:20 +01:00
l3mdev l3mdev: Correct function names in the kerneldoc comments 2021-03-28 17:56:55 -07:00
lapb net: lapb: Use list_for_each_entry() to simplify code in lapb_iface.c 2021-06-08 16:31:25 -07:00
llc net: Remove redundant if statements 2021-08-05 13:27:50 +01:00
mac80211 mac80211: treat some SAE auth steps as final 2022-03-08 19:12:46 +01:00
mac802154 ieee802154: Remove redundant initialization of variable ret 2021-09-07 14:06:08 +01:00
mctp mctp: Don't let RTM_DELROUTE delete local routes 2021-12-08 09:04:53 +01:00
mpls net: mpls: Fix notifications when deleting a device 2021-12-08 09:04:47 +01:00
mptcp mptcp: Correctly set DATA_FIN timeout when number of retransmits is large 2022-03-08 19:12:48 +01:00
ncsi net/ncsi: check for error return from call to nla_put_u32 2022-01-05 12:42:37 +01:00
netfilter netfilter: nf_tables: prefer kfree_rcu(ptr, rcu) variant 2022-03-08 19:12:49 +01:00
netlabel net: fix NULL pointer reference in cipso_v4_doi_free 2021-08-30 12:23:18 +01:00
netlink net: netlink: af_netlink: Prevent empty skb by adding a check on len. 2021-12-17 10:30:15 +01:00
netrom netrom: fix api breakage in nr_setsockopt() 2022-01-27 11:04:00 +01:00
nfc nfc: llcp: fix NULL error pointer dereference on sendmsg() after failed bind() 2022-01-27 11:02:48 +01:00
nsh
…
openvswitch openvswitch: Fix setting ipv6 fields causing hw csum failure 2022-03-02 11:47:57 +01:00
packet af_packet: fix data-race in packet_setsockopt / packet_setsockopt 2022-02-05 12:38:59 +01:00
phonet phonet: refcount leak in pep_sock_accep 2022-01-11 15:35:16 +01:00
psample
…
qrtr net: qrtr: revert check in qrtr_endpoint_post() 2021-09-02 11:37:02 +01:00
rds rds: memory leak in __rds_conn_create() 2021-12-22 09:32:42 +01:00
rfkill Another set of updates, all over the map: 2021-04-20 16:44:04 -07:00
rose
…
rxrpc rxrpc: Adjust retransmission backoff 2022-02-01 17:27:11 +01:00
sched net/sched: act_ct: Fix flow table lookup after ct clear or switching zones 2022-03-02 11:47:57 +01:00
sctp sctp: hold endpoint before calling cb in sctp_transport_lookup_process 2022-01-11 15:35:14 +01:00
smc net/smc: fix unexpected SMC_CLC_DECL_ERR_REGRMB error cause by server 2022-03-08 19:12:45 +01:00
strparser bpf: sockmap, strparser, and tls are reusing qdisc_skb_cb and colliding 2021-11-18 19:17:11 +01:00
sunrpc SUNRPC: Fix sockaddr handling in the svc_xprt_create_error trace point 2022-03-08 19:12:37 +01:00
switchdev net: make switchdev_bridge_port_{,unoffload} loosely coupled with the bridge 2021-08-04 12:35:07 +01:00
tipc tipc: fix a bit overflow in tipc_crypto_key_rcv() 2022-03-08 19:12:30 +01:00
tls net/tls: Fix authentication failure in CCM mode 2021-12-08 09:04:41 +01:00
unix af_unix: annote lockless accesses to unix_tot_inflight & gc_in_progress 2022-01-27 11:05:30 +01:00
vmw_vsock vsock: remove vsock from connected table when connect is interrupted by a signal 2022-02-23 12:03:09 +01:00
wireless nl80211: Handle nla_memdup failures in handle_nan_filter 2022-03-08 19:12:52 +01:00
x25 net: x25: Use list_for_each_entry() to simplify code in x25_route.c 2021-06-10 14:08:09 -07:00
xdp Revert "xsk: Do not sleep in poll() when need_wakeup set" 2021-12-22 09:32:51 +01:00
xfrm Revert "xfrm: xfrm_state_mtu should return at least 1280 for ipv6" 2022-03-08 19:12:54 +01:00
Kconfig mctp: Add MCTP base 2021-07-29 15:06:49 +01:00
Makefile mctp: Add MCTP base 2021-07-29 15:06:49 +01:00
compat.c net: Return the correct errno code 2021-06-03 15:13:56 -07:00
devres.c net: devres: Correct a grammatical error 2021-06-11 12:55:28 -07:00
socket.c net: fix SOF_TIMESTAMPING_BIND_PHC to work with multiple sockets 2022-01-27 11:03:52 +01:00
sysctl_net.c net: Ensure net namespace isolation of sysctls 2021-04-12 13:27:11 -07:00