Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
 __dump_stack lib/dump_stack.c:17 [inline]
 dump_stack+0x185/0x1d0 lib/dump_stack.c:53
 warn_alloc+0x3fc/0x660 mm/page_alloc.c:3319
==================================================================
BUG: KMSAN: uninit-value in core_kernel_text kernel/extable.c:77 [inline]
BUG: KMSAN: uninit-value in kernel_text_address+0x248/0x3a0 kernel/extable.c:127
CPU: 0 PID: 5166 Comm: syz-executor6 Not tainted 4.16.0+ #81
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
 __dump_stack lib/dump_stack.c:17 [inline]
 dump_stack+0x14a/0x1d0 lib/dump_stack.c:53
 kmsan_report+0x142/0x240 mm/kmsan/kmsan.c:1067
 __msan_warning_32+0x6c/0xb0 mm/kmsan/kmsan_instr.c:676
 core_kernel_text kernel/extable.c:77 [inline]
 kernel_text_address+0x248/0x3a0 kernel/extable.c:127
 __kernel_text_address+0x34/0xe0 kernel/extable.c:107
 show_trace_log_lvl+0x954/0x1030 arch/x86/kernel/dumpstack.c:175
 show_stack+0xfc/0x150 arch/x86/kernel/dumpstack.c:236
 __dump_stack lib/dump_stack.c:17 [inline]
 dump_stack+0x185/0x1d0 lib/dump_stack.c:53
 warn_alloc+0x3fc/0x660 mm/page_alloc.c:3319
 __vmalloc_area_node mm/vmalloc.c:1718 [inline]
 __vmalloc_node_range+0xeab/0x1140 mm/vmalloc.c:1759
 __vmalloc_node mm/vmalloc.c:1804 [inline]
 __vmalloc_node_flags_caller+0x102/0x120 mm/vmalloc.c:1826
 kvmalloc_node+0x2a6/0x2e0 mm/util.c:428
 kvmalloc include/linux/mm.h:541 [inline]
 xt_alloc_table_info+0x6d/0x130 net/netfilter/x_tables.c:1040
 do_replace net/ipv6/netfilter/ip6_tables.c:1153 [inline]
 do_ip6t_set_ctl+0x409/0x930 net/ipv6/netfilter/ip6_tables.c:1690
 nf_sockopt net/netfilter/nf_sockopt.c:106 [inline]
 nf_setsockopt+0x476/0x4d0 net/netfilter/nf_sockopt.c:115
 ipv6_setsockopt+0x1e2/0x340 net/ipv6/ipv6_sockglue.c:927
 tcp_setsockopt+0x1bb/0x1f0 net/ipv4/tcp.c:2905
 sock_common_setsockopt+0x136/0x170 net/core/sock.c:2975
 SYSC_setsockopt+0x4b8/0x570 net/socket.c:1849
 SyS_setsockopt+0x76/0xa0 net/socket.c:1828
 do_syscall_64+0x309/0x430 arch/x86/entry/common.c:287
 entry_SYSCALL_64_after_hwframe+0x3d/0xa2
RIP: 0033:0x455259
RSP: 002b:00007f4524a43c68 EFLAGS: 00000246 ORIG_RAX: 0000000000000036
RAX: ffffffffffffffda RBX: 00007f4524a446d4 RCX: 0000000000455259
RDX: 0000000000000040 RSI: 0000000000000029 RDI: 0000000000000013
RBP: 000000000072c010 R08: 0000000000000004 R09: 0000000000000000
R10: 0000000020001fde R11: 0000000000000246 R12: 00000000ffffffff
R13: 0000000000000556 R14: 00000000006fb0b0 R15: 0000000000000002

Local variable description: ----ldt.i.i.i@switch_mm_irqs_off
Variable was created at:
 switch_mm_irqs_off+0xe6/0x15d0 arch/x86/mm/tlb.c:183
 context_switch kernel/sched/core.c:2854 [inline]
 __schedule+0x5a3/0x730 kernel/sched/core.c:3446
==================================================================