vcan0: j1939_tp_rxtimer: 0xffff8880730d3400: rx timeout, send abort vcan0: j1939_xtp_rx_abort_one: 0xffff88802074ac00: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. ------------[ cut here ]------------ WARNING: CPU: 1 PID: 22 at net/can/j1939/transport.c:1096 j1939_session_deactivate net/can/j1939/transport.c:1096 [inline] WARNING: CPU: 1 PID: 22 at net/can/j1939/transport.c:1096 j1939_session_deactivate_activate_next+0x95/0xd3 net/can/j1939/transport.c:1106 Modules linked in: CPU: 1 PID: 22 Comm: ksoftirqd/1 Not tainted 6.0.0-syzkaller-07994-ge8bc52cb8df8 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/22/2022 RIP: 0010:j1939_session_deactivate net/can/j1939/transport.c:1096 [inline] RIP: 0010:j1939_session_deactivate_activate_next+0x95/0xd3 net/can/j1939/transport.c:1106 Code: 03 38 d0 7c 0c 84 d2 74 08 4c 89 ef e8 76 c3 48 f8 8b 5d 28 bf 01 00 00 00 89 de e8 97 aa fb f7 83 fb 01 77 07 e8 cd ad fb f7 <0f> 0b e8 c6 ad fb f7 48 89 ef e8 fe 42 d7 fe 4c 89 e7 89 c3 e8 a4 RSP: 0018:ffffc900001c7998 EFLAGS: 00010246 RAX: 0000000000000000 RBX: 0000000000000001 RCX: 0000000000000100 RDX: ffff888011a4bb00 RSI: ffffffff897f6963 RDI: 0000000000000005 RBP: ffff88802074ac00 R08: 0000000000000005 R09: 0000000000000001 R10: 0000000000000001 R11: 0000000000000001 R12: ffff88807aa9d070 R13: ffff88802074ac28 R14: ffff888021136018 R15: ffffffff8b0b0040 FS: 0000000000000000(0000) GS:ffff8880b9b00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fe412180010 CR3: 0000000026991000 CR4: 00000000003506e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: j1939_xtp_rx_abort_one.cold+0x20b/0x33c net/can/j1939/transport.c:1346 j1939_xtp_rx_abort net/can/j1939/transport.c:1357 [inline] j1939_tp_cmd_recv net/can/j1939/transport.c:2106 [inline] j1939_tp_recv+0xb28/0xcb0 net/can/j1939/transport.c:2139 j1939_can_recv net/can/j1939/main.c:112 [inline] j1939_can_recv+0x78a/0xa30 net/can/j1939/main.c:38 deliver net/can/af_can.c:573 [inline] can_rcv_filter+0x5d4/0x8d0 net/can/af_can.c:607 can_receive+0x31d/0x580 net/can/af_can.c:664 can_rcv+0x162/0x1a0 net/can/af_can.c:688 __netif_receive_skb_one_core+0x114/0x180 net/core/dev.c:5485 __netif_receive_skb+0x1f/0x1c0 net/core/dev.c:5599 process_backlog+0x3a0/0x7c0 net/core/dev.c:5927 __napi_poll+0xb3/0x6d0 net/core/dev.c:6494 napi_poll net/core/dev.c:6561 [inline] net_rx_action+0x9c1/0xd90 net/core/dev.c:6672 __do_softirq+0x1d0/0x9c8 kernel/softirq.c:571 run_ksoftirqd kernel/softirq.c:934 [inline] run_ksoftirqd+0x2d/0x60 kernel/softirq.c:926 smpboot_thread_fn+0x645/0x9c0 kernel/smpboot.c:164 kthread+0x2e4/0x3a0 kernel/kthread.c:376 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:306