IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready 8021q: adding VLAN 0 to HW filter on device batadv0 raw_sendmsg: syz-executor.2 forgot to set AF_INET. Fix it! 8021q: adding VLAN 0 to HW filter on device team0 ===================================================== 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 gre_parse_header+0x1395/0x1690 net/ipv4/gre_demux.c:131 8021q: adding VLAN 0 to HW filter on device batadv0 CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 5.4.0-rc5+ #0 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+0x191/0x1f0 lib/dump_stack.c:113 kmsan_report+0x128/0x220 mm/kmsan/kmsan_report.c:108 __msan_warning+0x73/0xe0 mm/kmsan/kmsan_instr.c:245 IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready __arch_swab32 arch/x86/include/uapi/asm/swab.h:10 [inline] __fswab32 include/uapi/linux/swab.h:59 [inline] gre_parse_header+0x1395/0x1690 net/ipv4/gre_demux.c:131 gre_rcv+0x1cb/0x1900 net/ipv4/ip_gre.c:409 gre_rcv+0x2dd/0x3c0 net/ipv4/gre_demux.c:155 ip_protocol_deliver_rcu+0x70f/0xbd0 net/ipv4/ip_input.c:204 ip_local_deliver_finish net/ipv4/ip_input.c:231 [inline] NF_HOOK include/linux/netfilter.h:305 [inline] ip_local_deliver+0x62a/0x7c0 net/ipv4/ip_input.c:252 dst_input include/net/dst.h:442 [inline] ip_rcv_finish net/ipv4/ip_input.c:413 [inline] NF_HOOK include/linux/netfilter.h:305 [inline] ip_rcv+0x6c5/0x740 net/ipv4/ip_input.c:523 8021q: adding VLAN 0 to HW filter on device batadv0 __netif_receive_skb_one_core net/core/dev.c:5010 [inline] __netif_receive_skb net/core/dev.c:5124 [inline] process_backlog+0xef5/0x1410 net/core/dev.c:5955 napi_poll net/core/dev.c:6392 [inline] net_rx_action+0x7a6/0x1aa0 net/core/dev.c:6460 __do_softirq+0x4a1/0x83a kernel/softirq.c:293 run_ksoftirqd+0x25/0x40 kernel/softirq.c:607 smpboot_thread_fn+0x4a3/0x990 kernel/smpboot.c:165 kthread+0x4b5/0x4f0 kernel/kthread.c:256 ret_from_fork+0x35/0x40 arch/x86/entry/entry_64.S:355 8021q: adding VLAN 0 to HW filter on device batadv0 Uninit was stored to memory at: hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network kmsan_save_stack_with_flags mm/kmsan/kmsan.c:151 [inline] kmsan_internal_chain_origin+0xbd/0x180 mm/kmsan/kmsan.c:319 kmsan_memcpy_memmove_metadata+0x25c/0x2e0 mm/kmsan/kmsan.c:254 kmsan_memcpy_metadata+0xb/0x10 mm/kmsan/kmsan.c:274 __msan_memcpy+0x56/0x70 mm/kmsan/kmsan_instr.c:129 pskb_expand_head+0x38a/0x19f0 net/core/skbuff.c:1637 hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network __skb_cow include/linux/skbuff.h:3105 [inline] skb_cow_head include/linux/skbuff.h:3139 [inline] ip_tunnel_xmit+0x2974/0x3320 net/ipv4/ip_tunnel.c:811 __gre_xmit net/ipv4/ip_gre.c:444 [inline] erspan_xmit+0x1ef8/0x35c0 net/ipv4/ip_gre.c:679 __netdev_start_xmit include/linux/netdevice.h:4420 [inline] netdev_start_xmit include/linux/netdevice.h:4434 [inline] xmit_one net/core/dev.c:3280 [inline] dev_hard_start_xmit+0x51a/0xab0 net/core/dev.c:3296 sch_direct_xmit+0x56c/0x18c0 net/sched/sch_generic.c:314 __dev_xmit_skb net/core/dev.c:3481 [inline] __dev_queue_xmit+0x212d/0x4200 net/core/dev.c:3842 dev_queue_xmit+0x4b/0x60 net/core/dev.c:3906 neigh_resolve_output+0xab7/0xb50 net/core/neighbour.c:1490 neigh_output include/net/neighbour.h:511 [inline] ip_finish_output2+0x1a9c/0x25d0 net/ipv4/ip_output.c:228 __ip_finish_output+0xaf8/0xda0 net/ipv4/ip_output.c:308 ip_finish_output+0x2db/0x420 net/ipv4/ip_output.c:318 NF_HOOK_COND include/linux/netfilter.h:294 [inline] ip_output+0x541/0x610 net/ipv4/ip_output.c:432 dst_output include/net/dst.h:436 [inline] ip_local_out net/ipv4/ip_output.c:125 [inline] ip_send_skb net/ipv4/ip_output.c:1558 [inline] ip_push_pending_frames+0x243/0x460 net/ipv4/ip_output.c:1578 raw_sendmsg+0x2e5f/0x4720 net/ipv4/raw.c:672 inet_sendmsg+0x2d8/0x2e0 net/ipv4/af_inet.c:807 sock_sendmsg_nosec net/socket.c:637 [inline] sock_sendmsg net/socket.c:657 [inline] ___sys_sendmsg+0x12c4/0x1590 net/socket.c:2311 __sys_sendmmsg+0x53a/0xae0 net/socket.c:2413 __do_sys_sendmmsg net/socket.c:2442 [inline] __se_sys_sendmmsg+0xbd/0xe0 net/socket.c:2439 __x64_sys_sendmmsg+0x56/0x70 net/socket.c:2439 do_syscall_64+0xb6/0x160 arch/x86/entry/common.c:291 entry_SYSCALL_64_after_hwframe+0x63/0xe7 Uninit was created at: kmsan_save_stack_with_flags mm/kmsan/kmsan.c:151 [inline] kmsan_internal_poison_shadow+0x60/0x120 mm/kmsan/kmsan.c:134 kmsan_slab_alloc+0xaa/0x120 mm/kmsan/kmsan_hooks.c:88 slab_alloc_node mm/slub.c:2799 [inline] __kmalloc_node_track_caller+0xd7b/0x1390 mm/slub.c:4407 __kmalloc_reserve net/core/skbuff.c:141 [inline] __alloc_skb+0x306/0xa10 net/core/skbuff.c:209 alloc_skb include/linux/skbuff.h:1050 [inline] __ip_append_data+0x3901/0x52c0 net/ipv4/ip_output.c:1097 ip_append_data+0x324/0x480 net/ipv4/ip_output.c:1313 raw_sendmsg+0x2d69/0x4720 net/ipv4/raw.c:666 inet_sendmsg+0x2d8/0x2e0 net/ipv4/af_inet.c:807 sock_sendmsg_nosec net/socket.c:637 [inline] sock_sendmsg net/socket.c:657 [inline] ___sys_sendmsg+0x12c4/0x1590 net/socket.c:2311 __sys_sendmmsg+0x53a/0xae0 net/socket.c:2413 __do_sys_sendmmsg net/socket.c:2442 [inline] __se_sys_sendmmsg+0xbd/0xe0 net/socket.c:2439 __x64_sys_sendmmsg+0x56/0x70 net/socket.c:2439 do_syscall_64+0xb6/0x160 arch/x86/entry/common.c:291 entry_SYSCALL_64_after_hwframe+0x63/0xe7 =====================================================