X25: received unknown FE with LCI 000
X25: received unknown DF with LCI 000
lapbether: lapb_data_request error - 4
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BUG: KMSAN: uninit-value in lapb_transmit_frmr+0x5d9/0x7f0 net/lapb/lapb_subr.c:289
 lapb_transmit_frmr+0x5d9/0x7f0 net/lapb/lapb_subr.c:289
 lapb_data_input+0x1764/0x1b80 net/lapb/lapb_in.c:550
 lapb_data_received+0x1db/0x3b0 net/lapb/lapb_iface.c:399
 lapbeth_rcv+0x51a/0x900 drivers/net/wan/lapbether.c:141
 __netif_receive_skb_one_core net/core/dev.c:5480 [inline]
 __netif_receive_skb+0x1b3/0x5d0 net/core/dev.c:5594
 process_backlog+0x45a/0x890 net/core/dev.c:5922
 __napi_poll+0xe6/0x920 net/core/dev.c:6488
 napi_poll net/core/dev.c:6555 [inline]
 net_rx_action+0x9e8/0x1a20 net/core/dev.c:6666
 __do_softirq+0x1cc/0x7fb kernel/softirq.c:571
 run_ksoftirqd+0x2c/0x50 kernel/softirq.c:934
 smpboot_thread_fn+0x554/0x9f0 kernel/smpboot.c:164
 kthread+0x31b/0x430 kernel/kthread.c:376
 ret_from_fork+0x1f/0x30

Uninit was stored to memory at:
 lapb_data_input+0x1743/0x1b80 net/lapb/lapb_in.c:550
 lapb_data_received+0x1db/0x3b0 net/lapb/lapb_iface.c:399
 lapbeth_rcv+0x51a/0x900 drivers/net/wan/lapbether.c:141
 __netif_receive_skb_one_core net/core/dev.c:5480 [inline]
 __netif_receive_skb+0x1b3/0x5d0 net/core/dev.c:5594
 process_backlog+0x45a/0x890 net/core/dev.c:5922
 __napi_poll+0xe6/0x920 net/core/dev.c:6488
 napi_poll net/core/dev.c:6555 [inline]
 net_rx_action+0x9e8/0x1a20 net/core/dev.c:6666
 __do_softirq+0x1cc/0x7fb kernel/softirq.c:571

Local variable frame created at:
 lapb_data_input+0x49/0x1b80 net/lapb/lapb_in.c:535
 lapb_data_received+0x1db/0x3b0 net/lapb/lapb_iface.c:399

CPU: 0 PID: 13 Comm: ksoftirqd/0 Not tainted 5.19.0-rc4-syzkaller-31333-g97117d69c353 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/29/2022
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