__netif_receive_skb_one_core net/core/dev.c:4973 [inline]
 __netif_receive_skb net/core/dev.c:5085 [inline]
 process_backlog+0x756/0x10e0 net/core/dev.c:5925
 napi_poll net/core/dev.c:6348 [inline]
 net_rx_action+0x78b/0x1a60 net/core/dev.c:6414
 __do_softirq+0x53f/0x93a kernel/softirq.c:294
Uninit was created at:
==================================================================
BUG: KMSAN: uninit-value in print_stack_trace+0xce/0x350 kernel/stacktrace.c:18
CPU: 1 PID: 16 Comm: ksoftirqd/1 Not tainted 5.1.0-rc4+ #1
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+0x173/0x1d0 lib/dump_stack.c:113
 kmsan_report+0x131/0x2a0 mm/kmsan/kmsan.c:619
 __msan_warning+0x7a/0xf0 mm/kmsan/kmsan_instr.c:310
 print_stack_trace+0xce/0x350 kernel/stacktrace.c:18
 kmsan_print_origin+0x15d/0x1f0 mm/kmsan/kmsan.c:370
 kmsan_internal_chain_origin+0x21b/0x230 mm/kmsan/kmsan.c:419
 kmsan_memcpy_memmove_metadata+0x989/0xd60 mm/kmsan/kmsan.c:304
 kmsan_memcpy_metadata+0xb/0x10 mm/kmsan/kmsan.c:324
 __msan_memcpy+0x58/0x70 mm/kmsan/kmsan_instr.c:139
 skb_copy_from_linear_data_offset include/linux/skbuff.h:3515 [inline]
 skb_copy_bits+0x1f2/0xdb0 net/core/skbuff.c:2040
 tcp_collapse+0x1c53/0x25f0 net/ipv4/tcp_input.c:4911
 tcp_prune_queue net/ipv4/tcp_input.c:5057 [inline]
 tcp_try_rmem_schedule+0x119b/0x1f20 net/ipv4/tcp_input.c:4458
 tcp_data_queue_ofo net/ipv4/tcp_input.c:4479 [inline]
 tcp_data_queue+0x28ee/0x9550 net/ipv4/tcp_input.c:4779
 tcp_rcv_established+0x134d/0x32a0 net/ipv4/tcp_input.c:5635
 tcp_v4_do_rcv+0x684/0xd70 net/ipv4/tcp_ipv4.c:1541
 tcp_v4_rcv+0x6535/0x6ac0 net/ipv4/tcp_ipv4.c:1908
 ip_protocol_deliver_rcu+0x584/0xbb0 net/ipv4/ip_input.c:208
 ip_local_deliver_finish net/ipv4/ip_input.c:234 [inline]
 NF_HOOK include/linux/netfilter.h:289 [inline]
 ip_local_deliver+0x624/0x7b0 net/ipv4/ip_input.c:255
 dst_input include/net/dst.h:450 [inline]
 ip_rcv_finish net/ipv4/ip_input.c:413 [inline]
 NF_HOOK include/linux/netfilter.h:289 [inline]
 ip_rcv+0x6bd/0x740 net/ipv4/ip_input.c:523
 __netif_receive_skb_one_core net/core/dev.c:4973 [inline]
 __netif_receive_skb net/core/dev.c:5085 [inline]
 process_backlog+0x756/0x10e0 net/core/dev.c:5925
 napi_poll net/core/dev.c:6348 [inline]
 net_rx_action+0x78b/0x1a60 net/core/dev.c:6414
 __do_softirq+0x53f/0x93a kernel/softirq.c:294
 run_ksoftirqd+0x26/0x50 kernel/softirq.c:659
 smpboot_thread_fn+0x4d0/0x9f0 kernel/smpboot.c:164
 kthread+0x4a1/0x4e0 kernel/kthread.c:254
 ret_from_fork+0x35/0x40 arch/x86/entry/entry_64.S:355

Local variable description: ----_tcphdr.i@__dev_queue_xmit
Variable was created at:
 __dev_queue_xmit+0xb8/0x3ce0 net/core/dev.c:3789
 dev_queue_xmit+0x4b/0x60 net/core/dev.c:3897
==================================================================