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From: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
To: linux-kernel@vger.kernel.org
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
	stable@vger.kernel.org, Eric Dumazet <edumazet@google.com>,
	syzbot <syzkaller@googlegroups.com>,
	Pablo Neira Ayuso <pablo@netfilter.org>
Subject: [PATCH 4.17 54/67] netfilter: nf_queue: augment nfqa_cfg_policy
Date: Mon, 16 Jul 2018 09:35:23 +0200	[thread overview]
Message-ID: <20180716073452.147348088@linuxfoundation.org> (raw)
In-Reply-To: <20180716073443.294323458@linuxfoundation.org>

4.17-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Eric Dumazet <edumazet@google.com>

commit ba062ebb2cd561d404e0fba8ee4b3f5ebce7cbfc upstream.

Three attributes are currently not verified, thus can trigger KMSAN
warnings such as :

BUG: KMSAN: uninit-value in __arch_swab32 arch/x86/include/uapi/asm/swab.h:10 [inline]
BUG: KMSAN: uninit-value in __fswab32 include/uapi/linux/swab.h:59 [inline]
BUG: KMSAN: uninit-value in nfqnl_recv_config+0x939/0x17d0 net/netfilter/nfnetlink_queue.c:1268
CPU: 1 PID: 4521 Comm: syz-executor120 Not tainted 4.17.0+ #5
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
 __dump_stack lib/dump_stack.c:77 [inline]
 dump_stack+0x185/0x1d0 lib/dump_stack.c:113
 kmsan_report+0x188/0x2a0 mm/kmsan/kmsan.c:1117
 __msan_warning_32+0x70/0xc0 mm/kmsan/kmsan_instr.c:620
 __arch_swab32 arch/x86/include/uapi/asm/swab.h:10 [inline]
 __fswab32 include/uapi/linux/swab.h:59 [inline]
 nfqnl_recv_config+0x939/0x17d0 net/netfilter/nfnetlink_queue.c:1268
 nfnetlink_rcv_msg+0xb2e/0xc80 net/netfilter/nfnetlink.c:212
 netlink_rcv_skb+0x37e/0x600 net/netlink/af_netlink.c:2448
 nfnetlink_rcv+0x2fe/0x680 net/netfilter/nfnetlink.c:513
 netlink_unicast_kernel net/netlink/af_netlink.c:1310 [inline]
 netlink_unicast+0x1680/0x1750 net/netlink/af_netlink.c:1336
 netlink_sendmsg+0x104f/0x1350 net/netlink/af_netlink.c:1901
 sock_sendmsg_nosec net/socket.c:629 [inline]
 sock_sendmsg net/socket.c:639 [inline]
 ___sys_sendmsg+0xec8/0x1320 net/socket.c:2117
 __sys_sendmsg net/socket.c:2155 [inline]
 __do_sys_sendmsg net/socket.c:2164 [inline]
 __se_sys_sendmsg net/socket.c:2162 [inline]
 __x64_sys_sendmsg+0x331/0x460 net/socket.c:2162
 do_syscall_64+0x15b/0x230 arch/x86/entry/common.c:287
 entry_SYSCALL_64_after_hwframe+0x44/0xa9
RIP: 0033:0x43fd59
RSP: 002b:00007ffde0e30d28 EFLAGS: 00000213 ORIG_RAX: 000000000000002e
RAX: ffffffffffffffda RBX: 00000000004002c8 RCX: 000000000043fd59
RDX: 0000000000000000 RSI: 0000000020000080 RDI: 0000000000000003
RBP: 00000000006ca018 R08: 00000000004002c8 R09: 00000000004002c8
R10: 00000000004002c8 R11: 0000000000000213 R12: 0000000000401680
R13: 0000000000401710 R14: 0000000000000000 R15: 0000000000000000

Uninit was created at:
 kmsan_save_stack_with_flags mm/kmsan/kmsan.c:279 [inline]
 kmsan_internal_poison_shadow+0xb8/0x1b0 mm/kmsan/kmsan.c:189
 kmsan_kmalloc+0x94/0x100 mm/kmsan/kmsan.c:315
 kmsan_slab_alloc+0x10/0x20 mm/kmsan/kmsan.c:322
 slab_post_alloc_hook mm/slab.h:446 [inline]
 slab_alloc_node mm/slub.c:2753 [inline]
 __kmalloc_node_track_caller+0xb35/0x11b0 mm/slub.c:4395
 __kmalloc_reserve net/core/skbuff.c:138 [inline]
 __alloc_skb+0x2cb/0x9e0 net/core/skbuff.c:206
 alloc_skb include/linux/skbuff.h:988 [inline]
 netlink_alloc_large_skb net/netlink/af_netlink.c:1182 [inline]
 netlink_sendmsg+0x76e/0x1350 net/netlink/af_netlink.c:1876
 sock_sendmsg_nosec net/socket.c:629 [inline]
 sock_sendmsg net/socket.c:639 [inline]
 ___sys_sendmsg+0xec8/0x1320 net/socket.c:2117
 __sys_sendmsg net/socket.c:2155 [inline]
 __do_sys_sendmsg net/socket.c:2164 [inline]
 __se_sys_sendmsg net/socket.c:2162 [inline]
 __x64_sys_sendmsg+0x331/0x460 net/socket.c:2162
 do_syscall_64+0x15b/0x230 arch/x86/entry/common.c:287
 entry_SYSCALL_64_after_hwframe+0x44/0xa9

Fixes: fdb694a01f1f ("netfilter: Add fail-open support")
Fixes: 829e17a1a602 ("[NETFILTER]: nfnetlink_queue: allow changing queue length through netlink")
Signed-off-by: Eric Dumazet <edumazet@google.com>
Reported-by: syzbot <syzkaller@googlegroups.com>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

---
 net/netfilter/nfnetlink_queue.c |    3 +++
 1 file changed, 3 insertions(+)

--- a/net/netfilter/nfnetlink_queue.c
+++ b/net/netfilter/nfnetlink_queue.c
@@ -1223,6 +1223,9 @@ static int nfqnl_recv_unsupp(struct net
 static const struct nla_policy nfqa_cfg_policy[NFQA_CFG_MAX+1] = {
 	[NFQA_CFG_CMD]		= { .len = sizeof(struct nfqnl_msg_config_cmd) },
 	[NFQA_CFG_PARAMS]	= { .len = sizeof(struct nfqnl_msg_config_params) },
+	[NFQA_CFG_QUEUE_MAXLEN]	= { .type = NLA_U32 },
+	[NFQA_CFG_MASK]		= { .type = NLA_U32 },
+	[NFQA_CFG_FLAGS]	= { .type = NLA_U32 },
 };
 
 static const struct nf_queue_handler nfqh = {



  parent reply	other threads:[~2018-07-16  7:39 UTC|newest]

Thread overview: 75+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-07-16  7:34 [PATCH 4.17 00/67] 4.17.7-stable review Greg Kroah-Hartman
2018-07-16  7:34 ` [PATCH 4.17 01/67] bpf: reject passing modified ctx to helper functions Greg Kroah-Hartman
2018-07-16  7:34 ` [PATCH 4.17 02/67] MIPS: Call dump_stack() from show_regs() Greg Kroah-Hartman
2018-07-16  7:34 ` [PATCH 4.17 03/67] MIPS: Use async IPIs for arch_trigger_cpumask_backtrace() Greg Kroah-Hartman
2018-07-16  7:34 ` [PATCH 4.17 04/67] MIPS: Fix ioremap() RAM check Greg Kroah-Hartman
2018-07-16  7:34 ` [PATCH 4.17 05/67] drm/etnaviv: Check for platform_device_register_simple() failure Greg Kroah-Hartman
2018-07-16  7:34 ` [PATCH 4.17 06/67] drm/etnaviv: Fix driver unregistering Greg Kroah-Hartman
2018-07-16  7:34 ` [PATCH 4.17 07/67] drm/etnaviv: bring back progress check in job timeout handler Greg Kroah-Hartman
2018-07-16  7:34 ` [PATCH 4.17 09/67] mmc: sdhci-esdhc-imx: allow 1.8V modes without 100/200MHz pinctrl states Greg Kroah-Hartman
2018-07-16  7:34 ` [PATCH 4.17 10/67] mmc: dw_mmc: fix card threshold control configuration Greg Kroah-Hartman
2018-07-16  7:34 ` [PATCH 4.17 11/67] mmc: renesas_sdhi_internal_dmac: Cannot clear the RX_IN_USE in abort Greg Kroah-Hartman
2018-07-16  7:34 ` [PATCH 4.17 12/67] ibmasm: dont write out of bounds in read handler Greg Kroah-Hartman
2018-07-16  7:34 ` [PATCH 4.17 13/67] staging: rtl8723bs: Prevent an underflow in rtw_check_beacon_data() Greg Kroah-Hartman
2018-07-16  7:34 ` [PATCH 4.17 14/67] staging: r8822be: Fix RTL8822be cant find any wireless AP Greg Kroah-Hartman
2018-07-16  7:34 ` [PATCH 4.17 15/67] ata: Fix ZBC_OUT command block check Greg Kroah-Hartman
2018-07-16  7:34 ` [PATCH 4.17 16/67] ata: Fix ZBC_OUT all bit handling Greg Kroah-Hartman
2018-07-16  7:34 ` [PATCH 4.17 17/67] mei: discard messages from not connected client during power down Greg Kroah-Hartman
2018-07-16  7:34 ` [PATCH 4.17 18/67] mtd: spi-nor: cadence-quadspi: Fix direct mode write timeouts Greg Kroah-Hartman
2018-07-16  7:34 ` [PATCH 4.17 19/67] tracing/kprobe: Release kprobe print_fmt properly Greg Kroah-Hartman
2018-07-16  7:34 ` [PATCH 4.17 20/67] vmw_balloon: fix inflation with batching Greg Kroah-Hartman
2018-07-16  7:34 ` [PATCH 4.17 21/67] ahci: Add Intel Ice Lake LP PCI ID Greg Kroah-Hartman
2018-07-16  7:34 ` [PATCH 4.17 22/67] ahci: Disable LPM on Lenovo 50 series laptops with a too old BIOS Greg Kroah-Hartman
2018-07-16  7:34 ` [PATCH 4.17 23/67] thunderbolt: Notify userspace when boot_acl is changed Greg Kroah-Hartman
2018-07-16  7:34 ` [PATCH 4.17 24/67] USB: serial: ch341: fix type promotion bug in ch341_control_in() Greg Kroah-Hartman
2018-07-16  7:34 ` [PATCH 4.17 25/67] USB: serial: cp210x: add another USB ID for Qivicon ZigBee stick Greg Kroah-Hartman
2018-07-16  7:34 ` [PATCH 4.17 26/67] USB: serial: keyspan_pda: fix modem-status error handling Greg Kroah-Hartman
2018-07-16  7:34 ` [PATCH 4.17 27/67] USB: yurex: fix out-of-bounds uaccess in read handler Greg Kroah-Hartman
2018-07-16  7:34 ` [PATCH 4.17 28/67] USB: serial: mos7840: fix status-register error handling Greg Kroah-Hartman
2018-07-16  7:34 ` [PATCH 4.17 29/67] usb: quirks: add delay quirks for Corsair Strafe Greg Kroah-Hartman
2018-07-16  7:34 ` [PATCH 4.17 30/67] xhci: xhci-mem: off by one in xhci_stream_id_to_ring() Greg Kroah-Hartman
2018-07-16  7:35 ` [PATCH 4.17 31/67] Fix up non-directory creation in SGID directories Greg Kroah-Hartman
2018-07-16  7:35 ` [PATCH 4.17 32/67] mm: zero unavailable pages before memmap init Greg Kroah-Hartman
2018-07-16  7:35 ` [PATCH 4.17 33/67] ALSA: hda/realtek - two more lenovo models need fixup of MIC_LOCATION Greg Kroah-Hartman
2018-07-16  7:35 ` [PATCH 4.17 34/67] ALSA: hda - Handle pm failure during hotplug Greg Kroah-Hartman
2018-07-16  7:35 ` [PATCH 4.17 35/67] mm: do not drop unused pages when userfaultd is running Greg Kroah-Hartman
2018-07-16  7:35 ` [PATCH 4.17 36/67] fs/proc/task_mmu.c: fix Locked field in /proc/pid/smaps* Greg Kroah-Hartman
2018-07-16  7:35 ` [PATCH 4.17 37/67] x86/purgatory: add missing FORCE to Makefile target Greg Kroah-Hartman
2018-07-16  7:35 ` [PATCH 4.17 38/67] fs, elf: make sure to page align bss in load_elf_library Greg Kroah-Hartman
2018-07-16  7:35 ` [PATCH 4.17 39/67] mm: do not bug_on on incorrect length in __mm_populate() Greg Kroah-Hartman
2018-07-16  7:35 ` [PATCH 4.17 40/67] tracing: Reorder display of TGID to be after PID Greg Kroah-Hartman
2018-07-16  7:35 ` [PATCH 4.17 41/67] kbuild: delete INSTALL_FW_PATH from kbuild documentation Greg Kroah-Hartman
2018-07-16  7:35 ` [PATCH 4.17 42/67] acpi, nfit: Fix scrub idle detection Greg Kroah-Hartman
2018-07-16  7:35 ` [PATCH 4.17 43/67] arm64: neon: Fix function may_use_simd() return error status Greg Kroah-Hartman
2018-07-16  7:35 ` [PATCH 4.17 44/67] tools build: fix # escaping in .cmd files for future Make Greg Kroah-Hartman
2018-07-16  7:35 ` [PATCH 4.17 45/67] IB/hfi1: Fix incorrect mixing of ERR_PTR and NULL return values Greg Kroah-Hartman
2018-07-16  7:35 ` [PATCH 4.17 46/67] i2c: tegra: Fix NACK error handling Greg Kroah-Hartman
2018-07-16  7:35 ` [PATCH 4.17 47/67] i2c: recovery: if possible send STOP with recovery pulses Greg Kroah-Hartman
2018-07-16  7:35 ` [PATCH 4.17 48/67] iw_cxgb4: correctly enforce the max reg_mr depth Greg Kroah-Hartman
2018-07-16  7:35 ` [PATCH 4.17 49/67] xen: remove global bit from __default_kernel_pte_mask for pv guests Greg Kroah-Hartman
2018-07-16  7:35 ` [PATCH 4.17 50/67] xen: setup pv irq ops vector earlier Greg Kroah-Hartman
2018-07-16  7:35 ` [PATCH 4.17 51/67] bsg: fix bogus EINVAL on non-data commands Greg Kroah-Hartman
2018-07-16  7:35 ` [PATCH 4.17 52/67] crypto: x86/salsa20 - remove x86 salsa20 implementations Greg Kroah-Hartman
2018-07-16  7:35 ` [PATCH 4.17 53/67] uprobes/x86: Remove incorrect WARN_ON() in uprobe_init_insn() Greg Kroah-Hartman
2018-07-16  7:35 ` Greg Kroah-Hartman [this message]
2018-07-16  7:35 ` [PATCH 4.17 55/67] crypto: dont optimize keccakf() Greg Kroah-Hartman
2018-07-16  7:35 ` [PATCH 4.17 56/67] netfilter: x_tables: initialise match/target check parameter struct Greg Kroah-Hartman
2018-07-16  7:35 ` [PATCH 4.17 57/67] loop: add recursion validation to LOOP_CHANGE_FD Greg Kroah-Hartman
2018-07-16  7:35 ` [PATCH 4.17 58/67] xfs: fix inobt magic number check Greg Kroah-Hartman
2018-07-16  7:35 ` [PATCH 4.17 59/67] PM / hibernate: Fix oops at snapshot_write() Greg Kroah-Hartman
2018-07-16  7:35 ` [PATCH 4.17 60/67] RDMA/ucm: Mark UCM interface as BROKEN Greg Kroah-Hartman
2018-07-16  7:35 ` [PATCH 4.17 61/67] loop: remember whether sysfs_create_group() was done Greg Kroah-Hartman
2018-07-16  7:35 ` [PATCH 4.17 63/67] f2fs: give message and set need_fsck given broken node id Greg Kroah-Hartman
2018-07-16  7:35 ` [PATCH 4.17 64/67] f2fs: avoid bug_on on corrupted inode Greg Kroah-Hartman
2018-07-16  7:35 ` [PATCH 4.17 65/67] f2fs: sanity check on sit entry Greg Kroah-Hartman
2018-07-16  7:35 ` [PATCH 4.17 66/67] f2fs: sanity check for total valid node blocks Greg Kroah-Hartman
2018-07-16  7:35 ` [PATCH 4.17 67/67] ARM: dts: armada-38x: use the new thermal binding Greg Kroah-Hartman
2018-07-16 16:33 ` [PATCH 4.17 00/67] 4.17.7-stable review Guenter Roeck
2018-07-16 16:40   ` Nathan Chancellor
2018-07-16 16:48     ` Guenter Roeck
2018-07-16 16:44   ` Greg Kroah-Hartman
     [not found] ` <20180716073453.739013579@linuxfoundation.org>
2018-07-16 17:09   ` [PATCH 4.17 62/67] kvm: vmx: Nested VM-entry prereqs for event inj Marc Orr
2018-07-16 17:58 ` [PATCH 4.17 00/67] 4.17.7-stable review Naresh Kamboju
2018-07-16 21:31   ` [LTP] " Jan Stancek
2018-07-17  1:23     ` Dave Chinner
2018-07-17  9:41     ` Greg Kroah-Hartman

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