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Bui Quang Minh 445019bbca UPSTREAM: bpf: Fix integer overflow in argument calculation for bpf_map_area_alloc 
commit 7dd5d437c258bbf4cc15b35229e5208b87b8b4e0 upstream.

In 32-bit architecture, the result of sizeof() is a 32-bit integer so
the expression becomes the multiplication between 2 32-bit integer which
can potentially leads to integer overflow. As a result,
bpf_map_area_alloc() allocates less memory than needed.

Fix this by casting 1 operand to u64.

Fixes: 0d2c4f964050 ("bpf: Eliminate rlimit-based memory accounting for sockmap and sockhash maps")
Fixes: 99c51064fb ("devmap: Use bpf_map_area_alloc() for allocating hash buckets")
Fixes: 546ac1ffb7 ("bpf: add devmap, a map for storing net device references")
Signed-off-by: Bui Quang Minh <minhquangbui99@gmail.com>
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
Link: https://lore.kernel.org/bpf/20210613143440.71975-1-minhquangbui99@gmail.com
Signed-off-by: Connor O'Brien <connoro@google.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Change-Id: I9ce1991224a87eb39acf1da4923534e22380fc42
 		2022-01-26 09:16:43 +00:00
..
6lowpan 6lowpan: iphc: Fix an off-by-one check of array index 2021-09-15 09:50:34 +02:00
9p Merge tag 'android12-5.10.81_r00' into android12-5.10 2022-01-21 09:35:04 +01:00
802 net/802/garp: fix memleak in garp_request_join() 2021-07-31 08:16:11 +02:00
8021q net: vlan: fix a UAF in vlan_dev_real_dev() 2021-11-18 14:04:26 +01:00
appletalk
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atm
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ax25
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batman-adv net: batman-adv: fix error handling 2021-11-02 19:48:22 +01:00
bluetooth This is the 5.10.80 stable release 2021-11-19 11:50:41 +01:00
bpf bpf, test, cgroup: Use sk_{alloc,free} for test cases 2021-10-27 09:56:56 +02:00
bpfilter ANDROID: GKI: set vfs-only exports into their own namespace 2022-01-11 09:30:47 +01:00
bridge net: bridge: mcast: use multicast_membership_interval for IGMPv3 2021-10-27 09:56:54 +02:00
caif net-caif: avoid user-triggerable WARN_ON(1) 2021-09-22 12:27:56 +02:00
can can: j1939: j1939_can_recv(): ignore messages with invalid source address 2021-11-18 14:03:48 +01:00
ceph
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core UPSTREAM: bpf: Fix integer overflow in argument calculation for bpf_map_area_alloc 2022-01-26 09:16:43 +00:00
dcb
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dccp Revert "tcp: switch orphan_count to bare per-cpu counters" 2021-11-19 14:22:11 +01:00
decnet net: decnet: Fix sleeping inside in af_decnet 2021-07-28 14:35:38 +02:00
dns_resolver
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dsa net: dsa: don't allocate the slave_mii_bus using devres 2021-09-30 10:11:02 +02:00
ethernet
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ethtool ethtool: fix ethtool msg len calculation for pause stats 2021-11-18 14:04:25 +01:00
hsr
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ieee802154 net: Fix memory leak in ieee802154_raw_deliver 2021-08-18 08:59:12 +02:00
ife
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ipv4 Revert "tcp: switch orphan_count to bare per-cpu counters" 2021-11-19 14:22:11 +01:00
ipv6 This is the 5.10.80 stable release 2021-11-19 11:50:41 +01:00
iucv
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kcm
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key
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l2tp net/l2tp: Fix reference count leak in l2tp_udp_recv_core 2021-09-22 12:27:56 +02:00
l3mdev
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lapb
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llc net: llc: fix skb_over_panic 2021-08-04 12:46:43 +02:00
mac80211 mac80211: check return value of rhashtable_init 2021-10-17 10:43:33 +02:00
mac802154
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mpls
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mptcp mptcp: don't return sockets in foreign netns 2021-10-06 15:55:52 +02:00
ncsi
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netfilter Revert "ANDROID: GKI: net: add vendor hooks for 'struct nf_conn' lifecycle" 2022-01-21 13:11:10 +01:00
netlabel net: fix NULL pointer reference in cipso_v4_doi_free 2021-09-18 13:40:35 +02:00
netlink netlink: annotate data races around nlk->bound 2021-10-13 10:04:27 +02:00
netrom netrom: Decrease sock refcount when sock timers expire 2021-07-28 14:35:38 +02:00
nfc nfc: nci: fix the UAF of rf_conn_info object 2021-10-27 09:56:53 +02:00
nsh
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openvswitch ovs: clear skb->tstamp in forwarding path 2021-08-26 08:35:50 -04:00
packet UPSTREAM: net/packet: rx_owner_map depends on pg_vec 2022-01-10 17:38:26 +00:00
phonet
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psample
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qrtr net: qrtr: fix another OOB Read in qrtr_endpoint_post 2021-09-03 10:09:21 +02:00
rds rds: stop using dmapool 2021-11-18 14:03:44 +01:00
rfkill
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rose
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rxrpc rxrpc: Fix _usecs_to_jiffies() by using usecs_to_jiffies() 2021-11-18 14:04:03 +01:00
sched Revert "net: sched: update default qdisc visibility after Tx queue cnt changes" 2021-11-19 14:19:50 +01:00
sctp UPSTREAM: sctp: add param size validation for SCTP_PARAM_SET_PRIMARY 2021-12-22 17:20:33 +00:00
smc net/smc: fix sk_refcnt underflow on linkdown and fallback 2021-11-18 14:04:28 +01:00
strparser bpf: sockmap, strparser, and tls are reusing qdisc_skb_cb and colliding 2021-11-18 14:04:27 +01:00
sunrpc Merge tag 'android12-5.10.81_r00' into android12-5.10 2022-01-21 09:35:04 +01:00
switchdev
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tipc This is the 5.10.77 stable release 2021-11-02 20:03:12 +01:00
tls net/tls: Fix flipped sign in async_wait.err assignment 2021-11-02 19:48:23 +01:00
unix Merge tag 'android12-5.10.81_r00' into android12-5.10 2022-01-21 09:35:04 +01:00
vmw_vsock This is the 5.10.80 stable release 2021-11-19 11:50:41 +01:00
wimax
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wireless UPSTREAM: cfg80211: fix management registrations locking 2021-11-06 12:02:45 +00:00
x25 net/x25: Return the correct errno code 2021-06-18 10:00:06 +02:00
xdp xsk: Fix broken Tx ring validation 2021-07-14 16:56:23 +02:00
xfrm Linux 5.10.61 2021-08-27 20:51:37 +02:00
Kconfig
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Makefile
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compat.c net: Return the correct errno code 2021-06-18 10:00:06 +02:00
devres.c
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socket.c Merge 5.10.67 into android12-5.10-lts 2021-09-30 12:21:03 +02:00
sysctl_net.c
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