vcan0: j1939_tp_rxtimer: 0xffff8880737a5800: rx timeout, send abort vcan0: j1939_xtp_rx_abort_one: 0xffff8880737a5800: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. ------------[ cut here ]------------ WARNING: CPU: 0 PID: 0 at net/can/j1939/socket.c:181 j1939_sk_queue_activate_next_locked net/can/j1939/socket.c:181 [inline] WARNING: CPU: 0 PID: 0 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: 0 Comm: swapper/0 Not tainted 5.19.0-rc3-syzkaller-00043-g3abc3ae553c7 #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 4c bb bb 8d e8 77 bd 77 f9 e9 73 fd ff ff e8 6d bd 77 f9 e9 19 fe ff ff e8 b3 f9 2a f9 <0f> 0b 49 8d bf b8 00 00 00 48 89 f8 48 c1 e8 03 42 0f b6 04 30 84 RSP: 0018:ffffc90000007a50 EFLAGS: 00010246 RAX: 0000000000000000 RBX: ffff8880458bf000 RCX: 0000000000000100 RDX: ffffffff8babc940 RSI: ffffffff884f7bcd RDI: 0000000000000005 RBP: ffff8880458bf5a0 R08: 0000000000000005 R09: 0000000000000000 R10: 00000000fffffff5 R11: 1ffffffff1fcb3d7 R12: ffff88807986a400 R13: ffff8880458bf5e0 R14: dffffc0000000000 R15: ffff88807986a418 FS: 0000000000000000(0000) GS:ffff8880b9a00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f96c9706300 CR3: 0000000046f1b000 CR4: 00000000003506f0 Call Trace: j1939_session_deactivate_activate_next+0xc8/0xd3 net/can/j1939/transport.c:1101 j1939_xtp_rx_abort_one.cold+0x20b/0x33c net/can/j1939/transport.c:1340 j1939_xtp_rx_abort net/can/j1939/transport.c:1351 [inline] j1939_tp_cmd_recv net/can/j1939/transport.c:2100 [inline] j1939_tp_recv+0xb28/0xcb0 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:5478 __netif_receive_skb+0x24/0x1b0 net/core/dev.c:5592 process_backlog+0x3a0/0x7c0 net/core/dev.c:5920 __napi_poll+0xb3/0x6e0 net/core/dev.c:6486 napi_poll net/core/dev.c:6553 [inline] net_rx_action+0x9c1/0xd90 net/core/dev.c:6664 __do_softirq+0x29b/0x9c2 kernel/softirq.c:571 invoke_softirq kernel/softirq.c:445 [inline] __irq_exit_rcu+0x123/0x180 kernel/softirq.c:650 irq_exit_rcu+0x5/0x20 kernel/softirq.c:662 sysvec_apic_timer_interrupt+0x93/0xc0 arch/x86/kernel/apic/apic.c:1106 asm_sysvec_apic_timer_interrupt+0x1b/0x20 arch/x86/include/asm/idtentry.h:649 RIP: 0010:native_save_fl arch/x86/include/asm/irqflags.h:29 [inline] RIP: 0010:arch_local_save_flags arch/x86/include/asm/irqflags.h:70 [inline] RIP: 0010:arch_irqs_disabled arch/x86/include/asm/irqflags.h:130 [inline] RIP: 0010:acpi_safe_halt drivers/acpi/processor_idle.c:112 [inline] RIP: 0010:acpi_idle_do_entry+0x1c9/0x240 drivers/acpi/processor_idle.c:554 Code: 89 de e8 3a 6f 00 f8 84 db 75 98 e8 31 73 00 f8 e8 1c c3 06 f8 66 90 e8 25 73 00 f8 0f 00 2d 9e 0e ba 00 e8 19 73 00 f8 fb f4 <9c> 5b 81 e3 00 02 00 00 fa 31 ff 48 89 de e8 64 6f 00 f8 48 85 db RSP: 0018:ffffffff8ba07d38 EFLAGS: 00000293 RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000 RDX: ffffffff8babc940 RSI: ffffffff897a0267 RDI: 0000000000000000 RBP: ffff888145585864 R08: 0000000000000001 R09: 0000000000000001 R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000001 R13: ffff888145585800 R14: ffff888145585864 R15: ffff888146162004 acpi_idle_enter+0x369/0x510 drivers/acpi/processor_idle.c:691 cpuidle_enter_state+0x1b1/0xc80 drivers/cpuidle/cpuidle.c:237 cpuidle_enter+0x4a/0xa0 drivers/cpuidle/cpuidle.c:351 call_cpuidle kernel/sched/idle.c:155 [inline] cpuidle_idle_call kernel/sched/idle.c:236 [inline] do_idle+0x3e8/0x590 kernel/sched/idle.c:303 cpu_startup_entry+0x14/0x20 kernel/sched/idle.c:400 rest_init+0x169/0x270 init/main.c:726 arch_call_rest_init+0xf/0x14 init/main.c:882 start_kernel+0x46e/0x48f init/main.c:1137 secondary_startup_64_no_verify+0xce/0xdb ---------------- Code disassembly (best guess): 0: 89 de mov %ebx,%esi 2: e8 3a 6f 00 f8 callq 0xf8006f41 7: 84 db test %bl,%bl 9: 75 98 jne 0xffffffa3 b: e8 31 73 00 f8 callq 0xf8007341 10: e8 1c c3 06 f8 callq 0xf806c331 15: 66 90 xchg %ax,%ax 17: e8 25 73 00 f8 callq 0xf8007341 1c: 0f 00 2d 9e 0e ba 00 verw 0xba0e9e(%rip) # 0xba0ec1 23: e8 19 73 00 f8 callq 0xf8007341 28: fb sti 29: f4 hlt * 2a: 9c pushfq <-- trapping instruction 2b: 5b pop %rbx 2c: 81 e3 00 02 00 00 and $0x200,%ebx 32: fa cli 33: 31 ff xor %edi,%edi 35: 48 89 de mov %rbx,%rsi 38: e8 64 6f 00 f8 callq 0xf8006fa1 3d: 48 85 db test %rbx,%rbx