------------[ cut here ]------------ WARNING: CPU: 0 PID: 13 at net/can/j1939/socket.c:181 j1939_sk_queue_activate_next_locked net/can/j1939/socket.c:181 [inline] WARNING: CPU: 0 PID: 13 at net/can/j1939/socket.c:181 j1939_sk_queue_activate_next+0x34d/0x460 net/can/j1939/socket.c:205 Modules linked in: CPU: 0 PID: 13 Comm: ksoftirqd/0 Not tainted 5.17.0-rc3-syzkaller-00150-g143de8d97d79 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:j1939_sk_queue_activate_next_locked net/can/j1939/socket.c:181 [inline] RIP: 0010:j1939_sk_queue_activate_next+0x34d/0x460 net/can/j1939/socket.c:205 Code: 1c 83 c0 0a 89 44 24 04 eb 9d 48 c7 c7 ac fd 93 8d e8 47 ff 98 f9 e9 73 fd ff ff e8 3d ff 98 f9 e9 19 fe ff ff e8 d3 af 51 f9 <0f> 0b 49 8d bf b8 00 00 00 48 89 f8 48 c1 e8 03 42 0f b6 04 30 84 RSP: 0000:ffffc90000d27958 EFLAGS: 00010246 RAX: 0000000000000000 RBX: ffff8880505d1000 RCX: 0000000000000100 RDX: ffff888011988000 RSI: ffffffff8826c8ad RDI: 0000000000000003 RBP: ffff8880505d15a8 R08: 0000000000000000 R09: ffffffff8ffbfa97 R10: ffffffff8826c808 R11: 0000000000000001 R12: ffff88806b440800 R13: ffff8880505d15e8 R14: dffffc0000000000 R15: ffff88806b440818 FS: 0000000000000000(0000) GS:ffff8880b9c00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fa8c5f323a5 CR3: 000000007e65c000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: j1939_session_deactivate_activate_next net/can/j1939/transport.c:1101 [inline] j1939_session_completed+0x80/0x120 net/can/j1939/transport.c:1214 j1939_xtp_rx_eoma_one net/can/j1939/transport.c:1384 [inline] j1939_xtp_rx_eoma+0x2a6/0x5f0 net/can/j1939/transport.c:1399 j1939_tp_cmd_recv net/can/j1939/transport.c:2088 [inline] j1939_tp_recv+0x930/0xcb0 net/can/j1939/transport.c:2133 j1939_can_recv+0x6ff/0x9a0 net/can/j1939/main.c:108 deliver net/can/af_can.c:574 [inline] can_rcv_filter+0x5d4/0x8d0 net/can/af_can.c:608 can_receive+0x31d/0x580 net/can/af_can.c:665 can_rcv+0x120/0x1c0 net/can/af_can.c:696 __netif_receive_skb_one_core+0x114/0x180 net/core/dev.c:5351 __netif_receive_skb+0x24/0x1b0 net/core/dev.c:5465 process_backlog+0x2a5/0x6c0 net/core/dev.c:5797 __napi_poll+0xaf/0x440 net/core/dev.c:6365 napi_poll net/core/dev.c:6432 [inline] net_rx_action+0x801/0xb40 net/core/dev.c:6519 __do_softirq+0x29b/0x9c2 kernel/softirq.c:558 run_ksoftirqd kernel/softirq.c:921 [inline] run_ksoftirqd+0x2d/0x60 kernel/softirq.c:913 smpboot_thread_fn+0x645/0x9c0 kernel/smpboot.c:164 kthread+0x2e9/0x3a0 kernel/kthread.c:377 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:295