vcan0: j1939_tp_rxtimer: 0xffff888019a63000: rx timeout, send abort vcan0: j1939_xtp_rx_abort_one: 0xffff88807bc6b800: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. ------------[ cut here ]------------ WARNING: CPU: 1 PID: 8068 at net/can/j1939/transport.c:1090 j1939_session_deactivate net/can/j1939/transport.c:1090 [inline] WARNING: CPU: 1 PID: 8068 at net/can/j1939/transport.c:1090 j1939_session_deactivate_activate_next net/can/j1939/transport.c:1100 [inline] WARNING: CPU: 1 PID: 8068 at net/can/j1939/transport.c:1090 j1939_xtp_rx_abort_one+0x673/0x7a0 net/can/j1939/transport.c:1340 Modules linked in: CPU: 1 PID: 8068 Comm: kworker/u4:15 Not tainted 5.16.0-rc7-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Workqueue: wg-kex-wg1 wg_packet_handshake_send_worker RIP: 0010:j1939_session_deactivate net/can/j1939/transport.c:1090 [inline] RIP: 0010:j1939_session_deactivate_activate_next net/can/j1939/transport.c:1100 [inline] RIP: 0010:j1939_xtp_rx_abort_one+0x673/0x7a0 net/can/j1939/transport.c:1340 Code: e9 7b fa ff ff e8 2d c2 63 f8 4c 89 f7 be 03 00 00 00 48 83 c4 20 5b 41 5c 41 5d 41 5e 41 5f 5d e9 b2 2d ee fa e8 0d c2 63 f8 <0f> 0b e9 4b fd ff ff e8 01 c2 63 f8 0f 0b e9 ca fd ff ff 89 e9 80 RSP: 0018:ffffc90000dc0818 EFLAGS: 00010246 RAX: ffffffff8920bc03 RBX: 0000000000000001 RCX: ffff88801c74ba00 RDX: 0000000080000302 RSI: 0000000000000001 RDI: 0000000000000002 RBP: 1ffff1100f78d700 R08: ffffffff8920b947 R09: ffffed100f78d706 R10: ffffed100f78d706 R11: 0000000000000000 R12: ffff88807bc6b800 R13: 0000000000000009 R14: ffff888079c0d070 R15: ffff88807bc6b828 FS: 0000000000000000(0000) GS:ffff8880b9b00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fa9831551b8 CR3: 0000000078ce8000 CR4: 00000000003506e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: j1939_xtp_rx_abort net/can/j1939/transport.c:1351 [inline] j1939_tp_cmd_recv net/can/j1939/transport.c:2100 [inline] j1939_tp_recv+0x8a0/0x11d0 net/can/j1939/transport.c:2133 j1939_can_recv+0x67c/0xa90 net/can/j1939/main.c:108 deliver net/can/af_can.c:574 [inline] can_rcv_filter+0x35e/0x800 net/can/af_can.c:608 can_receive+0x2e8/0x410 net/can/af_can.c:665 can_rcv+0xda/0x1f0 net/can/af_can.c:696 __netif_receive_skb_one_core net/core/dev.c:5465 [inline] __netif_receive_skb+0x1d1/0x500 net/core/dev.c:5579 process_backlog+0x518/0x9a0 net/core/dev.c:6455 __napi_poll+0xbd/0x520 net/core/dev.c:7023 napi_poll net/core/dev.c:7090 [inline] net_rx_action+0x61c/0xf30 net/core/dev.c:7177 __do_softirq+0x392/0x7a3 kernel/softirq.c:558 do_softirq+0x161/0x240 kernel/softirq.c:459 __local_bh_enable_ip+0x1b0/0x1f0 kernel/softirq.c:383 spin_unlock_bh include/linux/spinlock.h:394 [inline] wg_index_hashtable_insert+0xf7/0x7c0 drivers/net/wireguard/peerlookup.c:126 wg_noise_handshake_create_initiation+0xf67/0x1650 drivers/net/wireguard/noise.c:536 wg_packet_send_handshake_initiation+0x196/0x310 drivers/net/wireguard/send.c:34 wg_packet_handshake_send_worker+0x18/0x30 drivers/net/wireguard/send.c:51 process_one_work+0x853/0x1140 kernel/workqueue.c:2298 worker_thread+0xac1/0x1320 kernel/workqueue.c:2445 kthread+0x468/0x490 kernel/kthread.c:327 ret_from_fork+0x1f/0x30