vxcan1: j1939_tp_rxtimer: 0xffff88805619d000: rx timeout, send abort vxcan1: j1939_xtp_rx_abort_one: 0xffff88805619d000: 0x00000: (3) A timeout occurred and this is the connection abort to close the session. ------------[ cut here ]------------ WARNING: CPU: 0 PID: 26230 at net/can/j1939/transport.c:1090 j1939_session_deactivate_activate_next net/can/j1939/transport.c:1100 [inline] WARNING: CPU: 0 PID: 26230 at net/can/j1939/transport.c:1090 j1939_xtp_rx_abort_one+0x609/0x720 net/can/j1939/transport.c:1340 Modules linked in: CPU: 0 PID: 26230 Comm: syz-executor.1 Not tainted 5.18.0-rc5-syzkaller-00028-ga7391ad35724 #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+0x609/0x720 net/can/j1939/transport.c:1340 Code: e9 e7 fa ff ff e8 47 b3 5a f8 4c 89 f7 be 03 00 00 00 48 83 c4 20 5b 41 5c 41 5d 41 5e 41 5f 5d e9 9c a2 fd fa e8 27 b3 5a f8 <0f> 0b e9 ac fd ff ff e8 1b b3 5a f8 0f 0b e9 26 fe ff ff 89 e9 80 RSP: 0018:ffffc90000007798 EFLAGS: 00010246 RAX: ffffffff892b5fc9 RBX: 0000000000000001 RCX: ffff888024e05880 RDX: 0000000080000302 RSI: 0000000000000001 RDI: 0000000000000002 RBP: 1ffff1100ac33a00 R08: ffffffff892b5d6e R09: ffffed100ac33a06 R10: ffffed100ac33a06 R11: 1ffff1100ac33a05 R12: 0000000000000009 R13: ffff88805619d000 R14: dffffc0000000000 R15: ffff88805727d070 FS: 00007fe436e6e700(0000) GS:ffff8880b9a00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00000000202fe030 CR3: 000000007e31e000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: 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+0x91e/0x14f0 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:5405 [inline] __netif_receive_skb+0x1c5/0x500 net/core/dev.c:5519 process_backlog+0x4f8/0x8b0 net/core/dev.c:5847 __napi_poll+0xbe/0x4b0 net/core/dev.c:6413 napi_poll net/core/dev.c:6480 [inline] net_rx_action+0x61c/0xf30 net/core/dev.c:6567 __do_softirq+0x382/0x793 kernel/softirq.c:558 __irq_exit_rcu+0xec/0x170 kernel/softirq.c:637 irq_exit_rcu+0x5/0x20 kernel/softirq.c:649 sysvec_apic_timer_interrupt+0x91/0xb0 arch/x86/kernel/apic/apic.c:1097 asm_sysvec_apic_timer_interrupt+0x12/0x20 RIP: 0010:__raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:152 [inline] RIP: 0010:_raw_spin_unlock_irqrestore+0xd4/0x130 kernel/locking/spinlock.c:194 Code: 9c 8f 44 24 20 42 80 3c 23 00 74 08 4c 89 f7 e8 32 b1 b5 f7 f6 44 24 21 02 75 4e 41 f7 c7 00 02 00 00 74 01 fb bf 01 00 00 00 e7 13 3a f7 65 8b 05 48 27 e1 75 85 c0 74 3f 48 c7 04 24 0e 36 RSP: 0018:ffffc9001517f4c0 EFLAGS: 00000206 RAX: 0b086ea660002c00 RBX: 1ffff92002a2fe9c RCX: ffffffff81676818 RDX: dffffc0000000000 RSI: ffffffff8a8d0500 RDI: 0000000000000001 RBP: ffffc9001517f550 R08: dffffc0000000000 R09: fffffbfff1f61e0e R10: fffffbfff1f61e0e R11: 1ffffffff1f61e0d R12: dffffc0000000000 R13: 1ffff92002a2fe98 R14: ffffc9001517f4e0 R15: 0000000000000246 spin_unlock_irqrestore include/linux/spinlock.h:404 [inline] __wake_up_common_lock kernel/sched/wait.c:139 [inline] __wake_up_sync_key+0x124/0x1c0 kernel/sched/wait.c:204 __unix_dgram_recvmsg+0x5f8/0x1200 net/unix/af_unix.c:2418 ____sys_recvmsg+0x285/0x530 ___sys_recvmsg net/socket.c:2674 [inline] do_recvmmsg+0xa2e/0x15a0 net/socket.c:2768 __sys_recvmmsg net/socket.c:2847 [inline] __do_sys_recvmmsg net/socket.c:2870 [inline] __se_sys_recvmmsg net/socket.c:2863 [inline] __x64_sys_recvmmsg+0x195/0x240 net/socket.c:2863 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x2b/0x70 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x44/0xae RIP: 0033:0x7fe435c890e9 Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007fe436e6e168 EFLAGS: 00000246 ORIG_RAX: 000000000000012b RAX: ffffffffffffffda RBX: 00007fe435d9c030 RCX: 00007fe435c890e9 RDX: 0000000000010106 RSI: 00000000200000c0 RDI: 0000000000000003 RBP: 00007fe435ce308d R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000002 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffcb6a51cff R14: 00007fe436e6e300 R15: 0000000000022000 ---------------- Code disassembly (best guess): 0: 9c pushfq 1: 8f 44 24 20 popq 0x20(%rsp) 5: 42 80 3c 23 00 cmpb $0x0,(%rbx,%r12,1) a: 74 08 je 0x14 c: 4c 89 f7 mov %r14,%rdi f: e8 32 b1 b5 f7 callq 0xf7b5b146 14: f6 44 24 21 02 testb $0x2,0x21(%rsp) 19: 75 4e jne 0x69 1b: 41 f7 c7 00 02 00 00 test $0x200,%r15d 22: 74 01 je 0x25 24: fb sti 25: bf 01 00 00 00 mov $0x1,%edi * 2a: e8 e7 13 3a f7 callq 0xf73a1416 <-- trapping instruction 2f: 65 8b 05 48 27 e1 75 mov %gs:0x75e12748(%rip),%eax # 0x75e1277e 36: 85 c0 test %eax,%eax 38: 74 3f je 0x79 3a: 48 rex.W 3b: c7 .byte 0xc7 3c: 04 24 add $0x24,%al 3e: 0e (bad) 3f: 36 ss