Gavrilov Ilia a4529a08d3 calipso: fix memory leak in netlbl_calipso_add_pass() ... [ Upstream commit ec4e9d630a ] If IPv6 support is disabled at boot (ipv6.disable=1), the calipso_init() -> netlbl_calipso_ops_register() function isn't called, and the netlbl_calipso_ops_get() function always returns NULL. In this case, the netlbl_calipso_add_pass() function allocates memory for the doi_def variable but doesn't free it with the calipso_doi_free(). BUG: memory leak unreferenced object 0xffff888011d68180 (size 64): comm "syz-executor.1", pid 10746, jiffies 4295410986 (age 17.928s) hex dump (first 32 bytes): 00 00 00 00 02 00 00 00 00 00 00 00 00 00 00 00 ................ 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ backtrace: [<...>] kmalloc include/linux/slab.h:552 [inline] [<...>] netlbl_calipso_add_pass net/netlabel/netlabel_calipso.c:76 [inline] [<...>] netlbl_calipso_add+0x22e/0x4f0 net/netlabel/netlabel_calipso.c:111 [<...>] genl_family_rcv_msg_doit+0x22f/0x330 net/netlink/genetlink.c:739 [<...>] genl_family_rcv_msg net/netlink/genetlink.c:783 [inline] [<...>] genl_rcv_msg+0x341/0x5a0 net/netlink/genetlink.c:800 [<...>] netlink_rcv_skb+0x14d/0x440 net/netlink/af_netlink.c:2515 [<...>] genl_rcv+0x29/0x40 net/netlink/genetlink.c:811 [<...>] netlink_unicast_kernel net/netlink/af_netlink.c:1313 [inline] [<...>] netlink_unicast+0x54b/0x800 net/netlink/af_netlink.c:1339 [<...>] netlink_sendmsg+0x90a/0xdf0 net/netlink/af_netlink.c:1934 [<...>] sock_sendmsg_nosec net/socket.c:651 [inline] [<...>] sock_sendmsg+0x157/0x190 net/socket.c:671 [<...>] ____sys_sendmsg+0x712/0x870 net/socket.c:2342 [<...>] ___sys_sendmsg+0xf8/0x170 net/socket.c:2396 [<...>] __sys_sendmsg+0xea/0x1b0 net/socket.c:2429 [<...>] do_syscall_64+0x30/0x40 arch/x86/entry/common.c:46 [<...>] entry_SYSCALL_64_after_hwframe+0x61/0xc6 Found by InfoTeCS on behalf of Linux Verification Center (linuxtesting.org) with Syzkaller Fixes: cb72d38211 ("netlabel: Initial support for the CALIPSO netlink protocol.") Signed-off-by: Gavrilov Ilia <Ilia.Gavrilov@infotecs.ru> [PM: merged via the LSM tree at Jakub Kicinski request] Signed-off-by: Paul Moore <paul@paul-moore.com> Signed-off-by: Sasha Levin <sashal@kernel.org>		2024-01-25 14:52:33 -08:00
..
Kconfig	treewide: replace '---help---' in Kconfig files with 'help'	2020-06-14 01:57:21 +09:00
Makefile
netlabel_addrlist.c	treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 13	2019-05-21 11:28:45 +02:00
netlabel_addrlist.h	treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 13	2019-05-21 11:28:45 +02:00
netlabel_calipso.c	calipso: fix memory leak in netlbl_calipso_add_pass()	2024-01-25 14:52:33 -08:00
netlabel_calipso.h	treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 13	2019-05-21 11:28:45 +02:00
netlabel_cipso_v4.c	net: fix NULL pointer reference in cipso_v4_doi_free	2021-08-30 12:23:18 +01:00
netlabel_cipso_v4.h	treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 13	2019-05-21 11:28:45 +02:00
netlabel_domainhash.c	netlabel: Fix spelling mistakes	2021-06-07 14:08:30 -07:00
netlabel_domainhash.h	treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 13	2019-05-21 11:28:45 +02:00
netlabel_kapi.c	netlabel: fix shift wrapping bug in netlbl_catmap_setlong()	2023-09-19 12:22:29 +02:00
netlabel_mgmt.c	netlabel: Fix memory leak in netlbl_mgmt_add_common	2021-06-15 11:19:04 -07:00
netlabel_mgmt.h	treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 13	2019-05-21 11:28:45 +02:00
netlabel_unlabeled.c	net: Remove redundant if statements	2021-08-05 13:27:50 +01:00
netlabel_unlabeled.h	treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 13	2019-05-21 11:28:45 +02:00
netlabel_user.c	treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 13	2019-05-21 11:28:45 +02:00
netlabel_user.h	netlabel: remove unused parameter in netlbl_netlink_auditinfo()	2021-05-19 12:27:13 -07:00