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X25: received unknown FE with LCI 000 X25: received unknown DF with LCI 000 lapbether: lapb_data_request error - 4 ===================================================== 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 =====================================================
Time | Kernel | Commit | Syzkaller | Config | Log | Report | Syz repro | C repro | VM info | Assets (help?) | Manager | Title |
---|---|---|---|---|---|---|---|---|---|---|---|---|
2022/07/26 23:51 | https://github.com/google/kmsan.git master | 97117d69c353 | 279b89c2 | .config | console log | report | info | ci-upstream-kmsan-gce-386 | KMSAN: uninit-value in lapb_transmit_frmr |