vcan0: j1939_xtp_rx_abort_one: 0xffff88806c77ec00: 0x00000: (5) Maximal retransmit request limit reached vcan0: j1939_xtp_rx_abort_one: 0xffff88806c77d000: 0x00000: (5) Maximal retransmit request limit reached vcan0: j1939_xtp_rx_abort_one: 0xffff88806e105000: 0x00000: (1) Already in one or more connection managed sessions and cannot support another. vcan0: j1939_xtp_rx_abort_one: 0xffff88806e105400: 0x00000: (1) Already in one or more connection managed sessions and cannot support another. ------------[ cut here ]------------ WARNING: CPU: 1 PID: 19 at net/can/j1939/transport.c:1090 j1939_session_deactivate_activate_next net/can/j1939/transport.c:1100 [inline] WARNING: CPU: 1 PID: 19 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: 19 Comm: ksoftirqd/1 Not tainted 5.17.0-rc8-syzkaller-00003-g56e337f2cf13 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 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 8d 57 56 f8 4c 89 f7 be 03 00 00 00 48 83 c4 20 5b 41 5c 41 5d 41 5e 41 5f 5d e9 72 53 eb fa e8 6d 57 56 f8 <0f> 0b e9 4b fd ff ff e8 61 57 56 f8 0f 0b e9 ca fd ff ff 89 e9 80 RSP: 0018:ffffc90000d975f8 EFLAGS: 00010246 RAX: ffffffff892f4283 RBX: 0000000000000001 RCX: ffff88801203d700 RDX: 0000000000000301 RSI: 0000000000000001 RDI: 0000000000000002 RBP: 1ffff1100dc20a80 R08: ffffffff892f3fc7 R09: ffffed100dc20a86 R10: ffffed100dc20a86 R11: 0000000000000000 R12: ffff88806e105400 R13: 0000000000000007 R14: ffff88807a699070 R15: ffff88806e105428 FS: 0000000000000000(0000) GS:ffff8880b9b00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fb368693ea2 CR3: 000000001ead3000 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:1352 [inline] j1939_tp_cmd_recv net/can/j1939/transport.c:2100 [inline] j1939_tp_recv+0x8b5/0x11d0 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/0x200 net/can/af_can.c:696 __netif_receive_skb_one_core net/core/dev.c:5351 [inline] __netif_receive_skb+0x1d1/0x500 net/core/dev.c:5465 process_backlog+0x518/0x9a0 net/core/dev.c:5797 __napi_poll+0xbd/0x520 net/core/dev.c:6365 napi_poll net/core/dev.c:6432 [inline] net_rx_action+0x61c/0xf30 net/core/dev.c:6519 __do_softirq+0x392/0x7a3 kernel/softirq.c:558 run_ksoftirqd+0xc1/0x120 kernel/softirq.c:921 smpboot_thread_fn+0x533/0x9d0 kernel/smpboot.c:164 kthread+0x2a3/0x2d0 kernel/kthread.c:377 ret_from_fork+0x1f/0x30