8021q: adding VLAN 0 to HW filter on device team0 8021q: adding VLAN 0 to HW filter on device team0 8021q: adding VLAN 0 to HW filter on device team0 8021q: adding VLAN 0 to HW filter on device team0 ================================================================== BUG: KMSAN: uninit-value in slab_alloc_node mm/slub.c:2738 [inline] BUG: KMSAN: uninit-value in __kmalloc_node_track_caller+0x832/0x11b0 mm/slub.c:4395 CPU: 1 PID: 7273 Comm: syz-executor0 Not tainted 4.17.0+ #9 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:1125 __msan_warning_32+0x70/0xc0 mm/kmsan/kmsan_instr.c:620 slab_alloc_node mm/slub.c:2738 [inline] __kmalloc_node_track_caller+0x832/0x11b0 mm/slub.c:4395 __kmalloc_reserve net/core/skbuff.c:138 [inline] pskb_expand_head+0x21d/0x1a70 net/core/skbuff.c:1461 netlink_trim+0x398/0x400 net/netlink/af_netlink.c:1292 netlink_broadcast_filtered+0x1d9/0x1e10 net/netlink/af_netlink.c:1489 netlink_broadcast net/netlink/af_netlink.c:1534 [inline] nlmsg_multicast include/net/netlink.h:591 [inline] nlmsg_notify+0x1dd/0x3f0 net/netlink/af_netlink.c:2491 rtnl_notify net/core/rtnetlink.c:724 [inline] rtmsg_ifinfo_send net/core/rtnetlink.c:3269 [inline] rtmsg_ifinfo_event net/core/rtnetlink.c:3284 [inline] rtmsg_ifinfo+0x1e9/0x260 net/core/rtnetlink.c:3290 __dev_notify_flags+0x141/0x7f0 net/core/dev.c:6989 dev_change_flags+0x1af/0x230 net/core/dev.c:7029 devinet_ioctl+0xe5b/0x28c0 net/ipv4/devinet.c:1080 inet_ioctl+0x7c2/0x940 net/ipv4/af_inet.c:954 packet_ioctl+0x412/0x540 net/packet/af_packet.c:4104 sock_do_ioctl+0x140/0x6c0 net/socket.c:957 sock_ioctl+0x748/0xd10 net/socket.c:1081 vfs_ioctl fs/ioctl.c:46 [inline] do_vfs_ioctl+0xcbd/0x24b0 fs/ioctl.c:686 ksys_ioctl fs/ioctl.c:701 [inline] __do_sys_ioctl fs/ioctl.c:708 [inline] __se_sys_ioctl fs/ioctl.c:706 [inline] __x64_sys_ioctl+0x280/0x320 fs/ioctl.c:706 do_syscall_64+0x15b/0x230 arch/x86/entry/common.c:287 entry_SYSCALL_64_after_hwframe+0x44/0xa9 RIP: 0033:0x455a99 RSP: 002b:00007f88ec4a0c68 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 00007f88ec4a16d4 RCX: 0000000000455a99 RDX: 0000000020000000 RSI: 0000000000008914 RDI: 0000000000000003 RBP: 000000000072bea0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff R13: 00000000004bfa5d R14: 00000000004cebf8 R15: 0000000000000000 Uninit was created at: kmsan_save_stack_with_flags mm/kmsan/kmsan.c:282 [inline] kmsan_internal_poison_shadow+0xb8/0x1b0 mm/kmsan/kmsan.c:192 kmsan_kmalloc+0x94/0x100 mm/kmsan/kmsan.c:318 kmsan_slab_alloc+0x10/0x20 mm/kmsan/kmsan.c:325 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] alloc_skb_with_frags+0x1e6/0xb80 net/core/skbuff.c:5254 sock_alloc_send_pskb+0xb56/0x11a0 net/core/sock.c:2088 sock_alloc_send_skb+0xca/0xe0 net/core/sock.c:2105 mld_newpack+0x2af/0xd00 net/ipv6/mcast.c:1585 add_grhead net/ipv6/mcast.c:1689 [inline] add_grec+0x1dd4/0x2280 net/ipv6/mcast.c:1820 mld_send_cr net/ipv6/mcast.c:1946 [inline] mld_ifc_timer_expire+0x10af/0x15a0 net/ipv6/mcast.c:2451 call_timer_fn+0x280/0x5d0 kernel/time/timer.c:1326 expire_timers kernel/time/timer.c:1363 [inline] __run_timers+0xd96/0x11b0 kernel/time/timer.c:1666 run_timer_softirq+0x43/0x70 kernel/time/timer.c:1692 __do_softirq+0x592/0x979 kernel/softirq.c:285 ==================================================================