8021q: adding VLAN 0 to HW filter on device team0
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BUG: KMSAN: uninit-value in task_stack_page include/linux/sched/task_stack.h:21 [inline]
BUG: KMSAN: uninit-value in last_frame arch/x86/kernel/unwind_frame.c:96 [inline]
BUG: KMSAN: uninit-value in is_last_frame arch/x86/kernel/unwind_frame.c:101 [inline]
BUG: KMSAN: uninit-value in is_last_task_frame arch/x86/kernel/unwind_frame.c:170 [inline]
BUG: KMSAN: uninit-value in unwind_next_frame+0x537/0xf30 arch/x86/kernel/unwind_frame.c:294
CPU: 1 PID: 12220 Comm: cryptomgr_probe Not tainted 4.20.0-rc7+ #9
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
 <IRQ>
 __dump_stack lib/dump_stack.c:77 [inline]
 dump_stack+0x173/0x1d0 lib/dump_stack.c:113
 kmsan_report+0x120/0x290 mm/kmsan/kmsan.c:611
 __msan_warning+0x76/0xc0 mm/kmsan/kmsan_instr.c:295
 task_stack_page include/linux/sched/task_stack.h:21 [inline]
 last_frame arch/x86/kernel/unwind_frame.c:96 [inline]
 is_last_frame arch/x86/kernel/unwind_frame.c:101 [inline]
 is_last_task_frame arch/x86/kernel/unwind_frame.c:170 [inline]
 unwind_next_frame+0x537/0xf30 arch/x86/kernel/unwind_frame.c:294
 __save_stack_trace+0x78b/0xb90 arch/x86/kernel/stacktrace.c:44
 save_stack_trace+0xa2/0xe0 arch/x86/kernel/stacktrace.c:60
 kmsan_save_stack_with_flags mm/kmsan/kmsan.c:202 [inline]
 kmsan_internal_poison_shadow+0x92/0x150 mm/kmsan/kmsan.c:156
 kmsan_kmalloc+0xa1/0x100 mm/kmsan/kmsan_hooks.c:176
 kmsan_slab_alloc+0xe/0x10 mm/kmsan/kmsan_hooks.c:185
 slab_post_alloc_hook mm/slab.h:446 [inline]
 slab_alloc_node mm/slub.c:2759 [inline]
 __kmalloc_node_track_caller+0xe38/0x1060 mm/slub.c:4383
 __kmalloc_reserve net/core/skbuff.c:137 [inline]
 __alloc_skb+0x309/0xa20 net/core/skbuff.c:205
 alloc_skb include/linux/skbuff.h:998 [inline]
 __tcp_send_ack+0x100/0x880 net/ipv4/tcp_output.c:3622
 tcp_send_ack+0x68/0x90 net/ipv4/tcp_output.c:3649
 tcp_compressed_ack_kick+0x174/0x2d0 net/ipv4/tcp_timer.c:746
 __run_hrtimer kernel/time/hrtimer.c:1398 [inline]
 __hrtimer_run_queues+0xbfc/0x15c0 kernel/time/hrtimer.c:1460
 hrtimer_run_softirq+0x1b3/0x2b0 kernel/time/hrtimer.c:1474
 __do_softirq+0x53f/0x93a kernel/softirq.c:293
 invoke_softirq kernel/softirq.c:375 [inline]
 irq_exit+0x214/0x250 kernel/softirq.c:416
 exiting_irq+0xe/0x10 arch/x86/include/asm/apic.h:536
 smp_apic_timer_interrupt+0x48/0x70 arch/x86/kernel/apic/apic.c:1063
 apic_timer_interrupt+0x2e/0x40 arch/x86/entry/entry_64.S:814
 </IRQ>
RIP: 0010:_raw_spin_unlock_irqrestore+0x4b/0x70 kernel/locking/spinlock.c:185
Code: 00 8b b8 88 0c 00 00 48 8b 00 48 85 c0 75 28 48 89 df e8 48 68 4a f7 c6 00 00 c6 03 00 4d 85 e4 75 1c 4c 89 7d d8 ff 75 d8 9d <48> 83 c4 08 5b 41 5c 41 5e 41 5f 5d c3 e8 33 71 4a f7 eb d1 44 89
RSP: 0018:ffff88810521fe30 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
RAX: ffff8880b228f7d8 RBX: ffff8880b227f7d8 RCX: ffff8880b228f7d8
RDX: ffff8880b229f7d8 RSI: 0000160000000000 RDI: ccccccccccccd000
RBP: ffff88810521fe58 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000001 R11: ffffffff8169e0b0 R12: 0000000000000000
R13: ffff8880b227f7d0 R14: 0000000000000000 R15: 0000000000000286
 spin_unlock_irqrestore include/linux/spinlock.h:384 [inline]
 complete+0x10e/0x170 kernel/sched/completion.c:37
 kthread+0x3c6/0x4e0 kernel/kthread.c:240
 ret_from_fork+0x35/0x40 arch/x86/entry/entry_64.S:355

Local variable description: ----acpar@ipt_do_table
Variable was created at:
 ipt_do_table+0x86/0x2850 net/ipv4/netfilter/ip_tables.c:231
 iptable_security_hook+0xb5/0xe0 net/ipv4/netfilter/iptable_security.c:46
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