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Florian Westphal bf58e667af netfilter: xt_nfacct: don't assume acct name is null-terminated 
BUG: KASAN: slab-out-of-bounds in .. lib/vsprintf.c:721
Read of size 1 at addr ffff88801eac95c8 by task syz-executor183/5851
[..]
 string+0x231/0x2b0 lib/vsprintf.c:721
 vsnprintf+0x739/0xf00 lib/vsprintf.c:2874
 [..]
 nfacct_mt_checkentry+0xd2/0xe0 net/netfilter/xt_nfacct.c:41
 xt_check_match+0x3d1/0xab0 net/netfilter/x_tables.c:523

nfnl_acct_find_get() handles non-null input, but the error
printk relied on its presence.

Reported-by: syzbot+4ff165b9251e4d295690@syzkaller.appspotmail.com
Closes: https://syzkaller.appspot.com/bug?extid=4ff165b9251e4d295690
Tested-by: syzbot+4ff165b9251e4d295690@syzkaller.appspotmail.com
Fixes: ceb98d03ea ("netfilter: xtables: add nfacct match to support extended accounting")
Signed-off-by: Florian Westphal <fw@strlen.de>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
 		2025-07-25 18:40:43 +02:00
..
6lowpan net: replace ND_PRINTK with dynamic debug 2025-07-10 15:27:32 -07:00
9p netfs: Fix the request's work item to not require a ref 2025-05-21 14:35:20 +02:00
802 treewide, timers: Rename from_timer() to timer_container_of() 2025-06-08 09:07:37 +02:00
8021q net: s/dev_close_many/netif_close_many/ 2025-07-18 17:27:47 -07:00
appletalk Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net 2025-07-24 11:10:46 -07:00
atm atm: clip: Fix NULL pointer dereference in vcc_sendmsg() 2025-07-09 19:09:36 -07:00
ax25 treewide, timers: Rename from_timer() to timer_container_of() 2025-06-08 09:07:37 +02:00
batman-adv This cleanup patchset includes the following patches: 2025-07-11 17:50:27 -07:00
bluetooth Bluetooth: Add PA_LINK to distinguish BIG sync and PA sync connections 2025-07-23 10:35:14 -04:00
bpf selftests/bpf: Add test to access const void pointer argument in tracing program 2025-04-23 11:26:22 -07:00
bridge netfilter: Exclude LEGACY TABLES on PREEMPT_RT. 2025-07-25 18:38:50 +02:00
caif caif: reduce stack size, again 2025-06-23 16:58:43 -07:00
can Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net 2025-06-12 10:09:10 -07:00
ceph A small CephFS encryption-related fix and a dead code cleanup. 2025-04-25 15:51:28 -07:00
core net: define an enum for the napi threaded state 2025-07-24 18:34:55 -07:00
dcb dcb: Use rtnl_register_many(). 2024-10-15 18:52:26 -07:00
devlink devlink: Fix excessive stack usage in rate TC bandwidth parsing 2025-07-23 17:07:35 -07:00
dns_resolver
…
dsa net: s/dev_close_many/netif_close_many/ 2025-07-18 17:27:47 -07:00
ethernet
…
ethtool ethtool: rss: support removing contexts via Netlink 2025-07-21 18:21:19 -07:00
handshake net/handshake: Add new parameter 'HANDSHAKE_A_ACCEPT_KEYRING' 2025-07-08 15:31:44 +02:00
hsr treewide, timers: Rename from_timer() to timer_container_of() 2025-06-08 09:07:37 +02:00
ieee802154 treewide, timers: Rename from_timer() to timer_container_of() 2025-06-08 09:07:37 +02:00
ife
…
ipv4 netfilter: Exclude LEGACY TABLES on PREEMPT_RT. 2025-07-25 18:38:50 +02:00
ipv6 netfilter: Exclude LEGACY TABLES on PREEMPT_RT. 2025-07-25 18:38:50 +02:00
iucv s390: Convert MACHINE_IS_[LPAR|VM|KVM], etc, machine_is_[lpar|vm|kvm]() 2025-03-04 17:18:07 +01:00
kcm net: splice: Drop unused @gfp 2025-07-08 08:37:15 -07:00
key Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net 2025-07-24 11:10:46 -07:00
l2tp net: annotate races around sk->sk_uid 2025-06-23 17:04:03 -07:00
l3mdev net: fib_rules: Fix iif / oif matching on L3 master device 2025-04-15 17:54:56 -07:00
lapb treewide, timers: Rename from_timer() to timer_container_of() 2025-06-08 09:07:37 +02:00
llc net: make sk->sk_rcvtimeo lockless 2025-06-23 17:05:12 -07:00
mac80211 wifi: mac80211: fix WARN_ON for monitor mode on some devices 2025-07-23 12:29:07 +02:00
mac802154 mac802154: Switch to use hrtimer_setup() 2025-02-18 10:35:44 +01:00
mctp net: mctp: Add bind lookup test 2025-07-15 12:08:39 +02:00
mpls net: s/dev_get_flags/netif_get_flags/ 2025-07-18 17:27:47 -07:00
mptcp mptcp: fix typo in a comment 2025-07-21 17:48:33 -07:00
ncsi net: ncsi: Fix buffer overflow in fetching version id 2025-06-12 18:21:59 -07:00
netfilter netfilter: xt_nfacct: don't assume acct name is null-terminated 2025-07-25 18:40:43 +02:00
netlabel calipso: unlock rcu before returning -EAFNOSUPPORT 2025-06-05 08:03:38 -07:00
netlink Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net 2025-07-11 11:42:38 -07:00
netrom treewide, timers: Rename from_timer() to timer_container_of() 2025-06-08 09:07:37 +02:00
nfc Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net 2025-06-19 13:00:24 -07:00
nsh
…
openvswitch net: openvswitch: allow providing upcall pid for the 'execute' command 2025-07-07 14:30:39 -07:00
packet Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net 2025-07-17 11:00:33 -07:00
phonet Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net 2025-07-17 11:00:33 -07:00
psample psample: adjust size if rate_as_probability is set 2024-12-18 19:23:04 -08:00
qrtr net: qrtr: Update packets cloning when broadcasting 2024-09-24 10:48:16 +02:00
rds don't open-code kernel_accept() in rds_tcp_accept_one() 2025-07-15 16:19:54 -07:00
rfkill net: rfkill: gpio: allow booting in blocked state 2025-02-11 11:55:55 +01:00
rose net: track pfmemalloc drops via SKB_DROP_REASON_PFMEMALLOC 2025-07-18 16:59:05 -07:00
rxrpc rxrpc: Fix to use conn aborts for conn-wide failures 2025-07-17 07:50:48 -07:00
sched Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net 2025-07-24 11:10:46 -07:00
sctp net: dst: annotate data-races around dst->obsolete 2025-07-02 14:32:29 -07:00
shaper net: add netdev_lock() / netdev_unlock() helpers 2025-01-15 19:13:33 -08:00
smc Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net 2025-07-17 11:00:33 -07:00
strparser net: make sk->sk_rcvtimeo lockless 2025-06-23 17:05:12 -07:00
sunrpc sunrpc: fix loop in gss seqno cache 2025-06-23 11:01:15 -04:00
switchdev net: switchdev: Convert blocking notification chain to a raw one 2025-03-11 11:30:28 +01:00
tipc Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net 2025-07-10 10:10:49 -07:00
tls Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net 2025-07-17 11:00:33 -07:00
unix af_unix: Introduce SO_INQ. 2025-07-08 18:05:25 -07:00
vmw_vsock Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net 2025-07-10 10:10:49 -07:00
wireless Another wireless update: 2025-07-24 17:25:42 -07:00
x25 net/x25: Remove unused x25_terminate_link() 2025-07-14 17:19:13 -07:00
xdp net: xsk: introduce XDP_MAX_TX_SKB_BUDGET setsockopt 2025-07-10 14:48:29 +02:00
xfrm Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net 2025-07-24 11:10:46 -07:00
Kconfig net: Kconfig: add endif/endmenu comments 2025-07-22 18:17:23 -07:00
Kconfig.debug rtnetlink: Add per-netns RTNL. 2024-10-08 15:16:59 +02:00
Makefile net: Retire DCCP socket. 2025-04-11 18:58:10 -07:00
compat.c
…
devres.c
…
socket.c net: annotate races around sk->sk_uid 2025-06-23 17:04:03 -07:00
sysctl_net.c
…