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BUG: KMSAN: uninit-value in slab_alloc_node mm/slub.c:2703 [inline]
BUG: KMSAN: uninit-value in __kmalloc_node+0x9ee/0x1410 mm/slub.c:3821
CPU: 1 PID: 4733 Comm: syz-executor3 Not tainted 4.19.0-rc4+ #58
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+0x2f6/0x430 lib/dump_stack.c:113
 kmsan_report+0x183/0x2b0 mm/kmsan/kmsan.c:917
 __msan_warning+0x70/0xc0 mm/kmsan/kmsan_instr.c:500
 slab_alloc_node mm/slub.c:2703 [inline]
 __kmalloc_node+0x9ee/0x1410 mm/slub.c:3821
 kmalloc_node include/linux/slab.h:555 [inline]
 kzalloc_node include/linux/slab.h:718 [inline]
 __get_vm_area_node+0x27b/0x800 mm/vmalloc.c:1390
 __vmalloc_node_range+0x32e/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
 alloc_counters+0x99/0x8e0 net/ipv6/netfilter/ip6_tables.c:819
 copy_entries_to_user net/ipv6/netfilter/ip6_tables.c:841 [inline]
 get_entries net/ipv6/netfilter/ip6_tables.c:1044 [inline]
 do_ip6t_get_ctl+0x822/0x10a0 net/ipv6/netfilter/ip6_tables.c:1712
 nf_sockopt net/netfilter/nf_sockopt.c:104 [inline]
 nf_getsockopt+0x481/0x4e0 net/netfilter/nf_sockopt.c:122
 ipv6_getsockopt+0x26c/0x4f0 net/ipv6/ipv6_sockglue.c:1381
 tcp_getsockopt+0x1c6/0x1f0 net/ipv4/tcp.c:3583
 sock_common_getsockopt+0x13f/0x180 net/core/sock.c:2997
 __sys_getsockopt+0x48c/0x550 net/socket.c:1937
 __do_sys_getsockopt net/socket.c:1948 [inline]
 __se_sys_getsockopt+0xe1/0x100 net/socket.c:1945
 __x64_sys_getsockopt+0x62/0x80 net/socket.c:1945
 do_syscall_64+0xb8/0x100 arch/x86/entry/common.c:291
 entry_SYSCALL_64_after_hwframe+0x63/0xe7
RIP: 0033:0x45a0aa
Code: b8 34 01 00 00 0f 05 48 3d 01 f0 ff ff 0f 83 dd 88 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 49 89 ca b8 37 00 00 00 0f 05 <48> 3d 01 f0 ff ff 0f 83 ba 88 fb ff c3 66 0f 1f 84 00 00 00 00 00
RSP: 002b:0000000000a3f608 EFLAGS: 00000212 ORIG_RAX: 0000000000000037
RAX: ffffffffffffffda RBX: 0000000000a3f630 RCX: 000000000045a0aa
RDX: 0000000000000041 RSI: 0000000000000029 RDI: 0000000000000003
RBP: 0000000000709cc0 R08: 0000000000a3f62c R09: 0000000000004000
R10: 0000000000a3f730 R11: 0000000000000212 R12: 0000000000000003
R13: 0000000000000000 R14: 0000000000000029 R15: 0000000000709600

Uninit was created at:
 kmsan_save_stack_with_flags mm/kmsan/kmsan.c:255 [inline]
 kmsan_internal_poison_shadow+0xb8/0x1b0 mm/kmsan/kmsan.c:180
 kmsan_kmalloc+0x98/0x100 mm/kmsan/kmsan_hooks.c:91
 __kmalloc+0x156/0x410 mm/slub.c:3780
 kmalloc include/linux/slab.h:518 [inline]
 tipc_topsrv_queue_evt+0x23d/0x720 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+0x310/0x6c0 kernel/time/timer.c:1326
 expire_timers kernel/time/timer.c:1363 [inline]
 __run_timers+0xe25/0x1280 kernel/time/timer.c:1682
 run_timer_softirq+0x2e/0x50 kernel/time/timer.c:1695
 __do_softirq+0x614/0xa72 kernel/softirq.c:292
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