vcan0: j1939_tp_rxtimer: 0x00000000d6f4aa68: rx timeout, send abort vcan0: j1939_xtp_rx_abort_one: 0x00000000102d5394: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. ------------[ cut here ]------------ WARNING: CPU: 1 PID: 20 at net/can/j1939/transport.c:1098 j1939_session_deactivate net/can/j1939/transport.c:1098 [inline] WARNING: CPU: 1 PID: 20 at net/can/j1939/transport.c:1098 j1939_session_deactivate_activate_next net/can/j1939/transport.c:1108 [inline] WARNING: CPU: 1 PID: 20 at net/can/j1939/transport.c:1098 j1939_xtp_rx_abort_one+0x2fc/0x334 net/can/j1939/transport.c:1348 Modules linked in: CPU: 1 PID: 20 Comm: ksoftirqd/1 Not tainted 6.2.0-rc3-syzkaller-16387-g9598c377d828 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022 pstate: 00400005 (nzcv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) pc : j1939_session_deactivate net/can/j1939/transport.c:1098 [inline] pc : j1939_session_deactivate_activate_next net/can/j1939/transport.c:1108 [inline] pc : j1939_xtp_rx_abort_one+0x2fc/0x334 net/can/j1939/transport.c:1348 lr : j1939_session_deactivate net/can/j1939/transport.c:1098 [inline] lr : j1939_session_deactivate_activate_next net/can/j1939/transport.c:1108 [inline] lr : j1939_xtp_rx_abort_one+0x2fc/0x334 net/can/j1939/transport.c:1348 sp : ffff80000f4a39d0 x29: ffff80000f4a39d0 x28: ffff0001feff1510 x27: ffff0000cc448a00 x26: 0000000000000000 x25: 0000000000000009 x24: 0000000000000009 x23: 0000000000000000 x22: ffff0000cb588000 x21: 0000000000000001 x20: ffff0000ccddf070 x19: ffff0000c651f600 x18: 000000000000ba7e x17: 000000000000b67e x16: ffff80000dd86118 x15: ffff0000c0338000 x14: 00000000000000d0 x13: 00000000ffffffff x12: ffff0000c0338000 x11: ff8080000ba0b2ac x10: 0000000000000000 x9 : ffff80000ba0b2ac x8 : ffff0000c0338000 x7 : ffff80000ba0b1ac x6 : 0000000000000000 x5 : 0000000000000000 x4 : 0000000000000001 x3 : 0000000000000000 x2 : 0000000000000001 x1 : 0000000000000001 x0 : 0000000000000002 Call trace: j1939_session_deactivate net/can/j1939/transport.c:1098 [inline] j1939_session_deactivate_activate_next net/can/j1939/transport.c:1108 [inline] j1939_xtp_rx_abort_one+0x2fc/0x334 net/can/j1939/transport.c:1348 j1939_xtp_rx_abort net/can/j1939/transport.c:1359 [inline] j1939_tp_cmd_recv+0x3a0/0xa08 net/can/j1939/transport.c:2108 j1939_tp_recv+0x150/0x304 net/can/j1939/transport.c:2141 j1939_can_recv+0x380/0x4d8 net/can/j1939/main.c:112 deliver net/can/af_can.c:572 [inline] can_rcv_filter+0x134/0x30c net/can/af_can.c:606 can_receive+0x194/0x26c net/can/af_can.c:663 can_rcv+0x9c/0x124 net/can/af_can.c:687 __netif_receive_skb_one_core net/core/dev.c:5482 [inline] __netif_receive_skb+0x70/0x14c net/core/dev.c:5596 process_backlog+0x240/0x388 net/core/dev.c:5924 __napi_poll+0x5c/0x24c net/core/dev.c:6485 napi_poll+0x110/0x484 net/core/dev.c:6552 net_rx_action+0x18c/0x414 net/core/dev.c:6663 _stext+0x168/0x37c run_ksoftirqd+0x4c/0x21c kernel/softirq.c:934 smpboot_thread_fn+0x248/0x3ec kernel/smpboot.c:164 kthread+0x12c/0x158 kernel/kthread.c:376 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:863 irq event stamp: 6002403 hardirqs last enabled at (6002402): [<ffff80000c123ff8>] __raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:151 [inline] hardirqs last enabled at (6002402): [<ffff80000c123ff8>] _raw_spin_unlock_irqrestore+0x48/0x8c kernel/locking/spinlock.c:194 hardirqs last disabled at (6002403): [<ffff80000c110db0>] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:405 softirqs last enabled at (6002372): [<ffff8000080102e4>] _stext+0x2e4/0x37c softirqs last disabled at (6002377): [<ffff80000810d898>] run_ksoftirqd+0x4c/0x21c kernel/softirq.c:934 ---[ end trace 0000000000000000 ]--- vcan0: j1939_xtp_rx_abort_one: 0x00000000dd10fe7c: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. vcan0: j1939_xtp_rx_abort_one: 0x000000003fd16ae4: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. vcan0: j1939_tp_rxtimer: 0x00000000d6f4aa68: abort rx timeout. Force session deactivation vcan0: j1939_tp_rxtimer: 0x00000000e5148216: rx timeout, send abort vcan0: j1939_xtp_rx_abort_one: 0x00000000a4274302: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. vcan0: j1939_xtp_rx_abort_one: 0x000000004714b3db: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. vcan0: j1939_xtp_rx_abort_one: 0x00000000a5070cfe: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. vcan0: j1939_tp_rxtimer: 0x00000000685bd754: rx timeout, send abort vcan0: j1939_xtp_rx_abort_one: 0x00000000601f3294: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. vcan0: j1939_xtp_rx_abort_one: 0x00000000b6893d5a: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. vcan0: j1939_tp_rxtimer: 0x0000000020cc6dc9: rx timeout, send abort vcan0: j1939_xtp_rx_abort_one: 0x0000000014c413c6: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. vcan0: j1939_xtp_rx_abort_one: 0x00000000ea8f1458: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. vcan0: j1939_xtp_rx_abort_one: 0x00000000b4976ed2: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. vcan0: j1939_tp_rxtimer: 0x00000000e5148216: abort rx timeout. Force session deactivation vcan0: j1939_tp_rxtimer: 0x00000000685bd754: abort rx timeout. Force session deactivation vcan0: j1939_tp_rxtimer: 0x0000000020cc6dc9: abort rx timeout. Force session deactivation vcan0: j1939_tp_rxtimer: 0x00000000a9dc5bb4: rx timeout, send abort vcan0: j1939_tp_rxtimer: 0x00000000dcf6f369: rx timeout, send abort vcan0: j1939_xtp_rx_abort_one: 0x00000000a9dc5bb4: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. vcan0: j1939_xtp_rx_abort_one: 0x00000000dcf6f369: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. vcan0: j1939_xtp_rx_dat: no tx connection found vcan0: j1939_xtp_rx_dat: no tx connection found vcan0: j1939_tp_rxtimer: 0x00000000661c8094: rx timeout, send abort vcan0: j1939_xtp_rx_abort_one: 0x000000002e689f9d: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. vcan0: j1939_xtp_rx_abort_one: 0x0000000076176f3b: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. vcan0: j1939_xtp_rx_abort_one: 0x0000000080f7e811: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. vcan0: j1939_tp_rxtimer: 0x000000005c6c11d8: rx timeout, send abort vcan0: j1939_xtp_rx_abort_one: 0x00000000e3907683: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. vcan0: j1939_xtp_rx_abort_one: 0x000000002a899c0b: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. vcan0: j1939_tp_rxtimer: 0x00000000661c8094: abort rx timeout. Force session deactivation vcan0: j1939_tp_rxtimer: 0x000000005c6c11d8: abort rx timeout. Force session deactivation vcan0: j1939_tp_rxtimer: 0x00000000603900e6: rx timeout, send abort vcan0: j1939_xtp_rx_abort_one: 0x00000000ede43ec2: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. vcan0: j1939_xtp_rx_abort_one: 0x00000000601f3294: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. vcan0: j1939_xtp_rx_dat: no tx connection found vcan0: j1939_tp_rxtimer: 0x00000000603900e6: abort rx timeout. Force session deactivation