Xin Long f31dd15858 tipc: fix the msg->req tlv len check in tipc_nl_compat_name_table_dump_header ... [ Upstream commit 1c075b192fe41030457cd4a5f7dea730412bca40 ] This is a follow-up for commit 974cb0e3e7 ("tipc: fix uninit-value in tipc_nl_compat_name_table_dump") where it should have type casted sizeof(..) to int to work when TLV_GET_DATA_LEN() returns a negative value. syzbot reported a call trace because of it: BUG: KMSAN: uninit-value in ... tipc_nl_compat_name_table_dump+0x841/0xea0 net/tipc/netlink_compat.c:934 __tipc_nl_compat_dumpit+0xab2/0x1320 net/tipc/netlink_compat.c:238 tipc_nl_compat_dumpit+0x991/0xb50 net/tipc/netlink_compat.c:321 tipc_nl_compat_recv+0xb6e/0x1640 net/tipc/netlink_compat.c:1324 genl_family_rcv_msg_doit net/netlink/genetlink.c:731 [inline] genl_family_rcv_msg net/netlink/genetlink.c:775 [inline] genl_rcv_msg+0x103f/0x1260 net/netlink/genetlink.c:792 netlink_rcv_skb+0x3a5/0x6c0 net/netlink/af_netlink.c:2501 genl_rcv+0x3c/0x50 net/netlink/genetlink.c:803 netlink_unicast_kernel net/netlink/af_netlink.c:1319 [inline] netlink_unicast+0xf3b/0x1270 net/netlink/af_netlink.c:1345 netlink_sendmsg+0x1288/0x1440 net/netlink/af_netlink.c:1921 sock_sendmsg_nosec net/socket.c:714 [inline] sock_sendmsg net/socket.c:734 [inline] Reported-by: syzbot+e5dbaaa238680ce206ea@syzkaller.appspotmail.com Fixes: 974cb0e3e7 ("tipc: fix uninit-value in tipc_nl_compat_name_table_dump") Signed-off-by: Xin Long <lucien.xin@gmail.com> Link: https://lore.kernel.org/r/ccd6a7ea801b15aec092c3b532a883b4c5708695.1667594933.git.lucien.xin@gmail.com Signed-off-by: Jakub Kicinski <kuba@kernel.org> Signed-off-by: Sasha Levin <sashal@kernel.org>		2022-11-16 09:57:11 +01:00
..
Kconfig	…
Makefile	…
addr.c	…
addr.h	…
bcast.c	…
bcast.h	…
bearer.c	…
bearer.h	…
core.c	tipc: fix use-after-free Read in tipc_named_reinit	2022-06-29 08:59:47 +02:00
core.h	…
crypto.c	…
crypto.h	…
diag.c	…
discover.c	tipc: Fix recognition of trial period	2022-10-30 09:41:16 +01:00
discover.h	…
eth_media.c	…
group.c	…
group.h	…
ib_media.c	…
link.c	…
link.h	…
monitor.c	tipc: fix shift wrapping bug in map_get()	2022-09-15 11:32:05 +02:00
monitor.h	…
msg.c	…
msg.h	…
name_distr.c	…
name_distr.h	…
name_table.c	…
name_table.h	…
net.c	…
net.h	…
netlink.c	…
netlink.h	…
netlink_compat.c	tipc: fix the msg->req tlv len check in tipc_nl_compat_name_table_dump_header	2022-11-16 09:57:11 +01:00
node.c	tipc: move bc link creation back to tipc_node_create	2022-07-07 17:52:18 +02:00
node.h	…
socket.c	net: Fix data-races around sysctl_[rw]mem(_offset)?.	2022-08-31 17:15:19 +02:00
socket.h	…
subscr.c	…
subscr.h	…
sysctl.c	…
topsrv.c	tipc: fix a null-ptr-deref in tipc_topsrv_accept	2022-11-03 23:57:51 +09:00
topsrv.h	…
trace.c	…
trace.h	…
udp_media.c	…
udp_media.h	…