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BUG: KMSAN: uninit-value in slab_alloc_node mm/slub.c:2705 [inline]
BUG: KMSAN: uninit-value in __kmalloc_node+0xb2d/0x1220 mm/slub.c:3823
CPU: 1 PID: 4493 Comm: syz-executor2 Not tainted 4.18.0-rc8+ #33
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+0x17c/0x1c0 lib/dump_stack.c:113
 kmsan_report+0x188/0x2a0 mm/kmsan/kmsan.c:982
 __msan_warning+0x70/0xc0 mm/kmsan/kmsan_instr.c:645
 slab_alloc_node mm/slub.c:2705 [inline]
 __kmalloc_node+0xb2d/0x1220 mm/slub.c:3823
 kmalloc_node include/linux/slab.h:555 [inline]
 alloc_vmap_area+0x1e6/0x1530 mm/vmalloc.c:420
 __get_vm_area_node+0x390/0x790 mm/vmalloc.c:1397
 __vmalloc_node_range+0x32a/0x1140 mm/vmalloc.c:1749
 __vmalloc_node mm/vmalloc.c:1799 [inline]
 __vmalloc_node_flags mm/vmalloc.c:1813 [inline]
 vzalloc+0xd8/0xf0 mm/vmalloc.c:1852
 xt_counters_alloc+0xe6/0x110 net/netfilter/x_tables.c:1358
 __do_replace+0x11a/0xff0 net/ipv6/netfilter/ip6_tables.c:1069
 do_replace net/ipv6/netfilter/ip6_tables.c:1160 [inline]
 do_ip6t_set_ctl+0x73c/0x930 net/ipv6/netfilter/ip6_tables.c:1684
 nf_sockopt net/netfilter/nf_sockopt.c:106 [inline]
 nf_setsockopt+0x47c/0x4e0 net/netfilter/nf_sockopt.c:115
 ipv6_setsockopt+0x1e2/0x350 net/ipv6/ipv6_sockglue.c:939
 tcp_setsockopt+0x1c0/0x1f0 net/ipv4/tcp.c:3065
 sock_common_setsockopt+0x13b/0x170 net/core/sock.c:3040
 __sys_setsockopt+0x496/0x540 net/socket.c:1912
 __do_sys_setsockopt net/socket.c:1923 [inline]
 __se_sys_setsockopt net/socket.c:1920 [inline]
 __x64_sys_setsockopt+0x15c/0x1c0 net/socket.c:1920
 do_syscall_64+0x15b/0x220 arch/x86/entry/common.c:290
 entry_SYSCALL_64_after_hwframe+0x63/0xe7
RIP: 0033:0x459b9a
Code: 49 89 ca b8 37 00 00 00 0f 05 48 3d 01 f0 ff ff 0f 83 da 89 fb ff c3 66 0f 1f 84 00 00 00 00 00 49 89 ca b8 36 00 00 00 0f 05 <48> 3d 01 f0 ff ff 0f 83 ba 89 fb ff c3 66 0f 1f 84 00 00 00 00 00 
RSP: 002b:0000000000a3f638 EFLAGS: 00000202 ORIG_RAX: 0000000000000036
RAX: ffffffffffffffda RBX: 0000000000a3f660 RCX: 0000000000459b9a
RDX: 0000000000000040 RSI: 0000000000000029 RDI: 0000000000000003
RBP: 0000000000707ca0 R08: 00000000000003b8 R09: 0000000000004000
R10: 0000000000705b40 R11: 0000000000000202 R12: 0000000000000003
R13: 0000000000000000 R14: 0000000000000029 R15: 0000000000705ae0

Uninit was created at:
 kmsan_save_stack_with_flags mm/kmsan/kmsan.c:256 [inline]
 kmsan_internal_poison_shadow+0xb8/0x1b0 mm/kmsan/kmsan.c:181
 kmsan_kmalloc+0x98/0x100 mm/kmsan/kmsan_hooks.c:91
 __kmalloc+0x13a/0x350 mm/slub.c:3782
 kmalloc include/linux/slab.h:518 [inline]
 tipc_topsrv_queue_evt+0x49f/0x970 net/tipc/topsrv.c:333
 tipc_sub_send_event net/tipc/subscr.c:54 [inline]
 tipc_sub_timeout+0x28f/0x400 net/tipc/subscr.c:109
 call_timer_fn+0x270/0x5c0 kernel/time/timer.c:1326
 expire_timers kernel/time/timer.c:1363 [inline]
 __run_timers+0xd74/0x1170 kernel/time/timer.c:1666
 run_timer_softirq+0x43/0x70 kernel/time/timer.c:1692
 __do_softirq+0x582/0x969 kernel/softirq.c:292
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