vcan0: j1939_xtp_rx_dat: no rx connection found vcan0: j1939_xtp_rx_dat: no rx connection found vcan0: j1939_tp_rxtimer: 0xffff8880262d2800: abort rx timeout. Force session deactivation vcan0: j1939_tp_rxtimer: 0xffff88807d8af000: abort rx timeout. Force session deactivation ------------[ cut here ]------------ WARNING: CPU: 0 PID: 15 at net/can/j1939/transport.c:1096 j1939_session_deactivate net/can/j1939/transport.c:1096 [inline] WARNING: CPU: 0 PID: 15 at net/can/j1939/transport.c:1096 j1939_session_deactivate_activate_next+0x95/0xd3 net/can/j1939/transport.c:1106 Modules linked in: CPU: 0 PID: 15 Comm: ksoftirqd/0 Not tainted 6.0.0-rc3-syzkaller-00118-ge7506d344bf1 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 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 c1 e1 4b f8 8b 5d 28 bf 01 00 00 00 89 de e8 02 7d ff f7 83 fb 01 77 07 e8 38 80 ff f7 <0f> 0b e8 31 80 ff f7 48 89 ef e8 79 82 d7 fe 4c 89 e7 89 c3 e8 7f RSP: 0018:ffffc90000147cd0 EFLAGS: 00010246 RAX: 0000000000000000 RBX: 0000000000000001 RCX: 0000000000000100 RDX: ffff888011a73b00 RSI: ffffffff897c89f8 RDI: 0000000000000005 RBP: ffff88807d8af000 R08: 0000000000000005 R09: 0000000000000001 R10: 0000000000000001 R11: 0000000000000001 R12: ffff888079a5d070 R13: ffff88807d8af028 R14: ffff888079a5c000 R15: 0000000000000002 FS: 0000000000000000(0000) GS:ffff8880b9a00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000000002000f000 CR3: 0000000063225000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: j1939_tp_rxtimer.cold+0x154/0x24f net/can/j1939/transport.c:1234 __run_hrtimer kernel/time/hrtimer.c:1685 [inline] __hrtimer_run_queues+0x5fa/0xe40 kernel/time/hrtimer.c:1749 hrtimer_run_softirq+0x17b/0x360 kernel/time/hrtimer.c:1766 __do_softirq+0x1d3/0x9c6 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