vcan0: j1939_tp_rxtimer: 0xffff88802be0b800: rx timeout, send abort vcan0: j1939_tp_rxtimer: 0xffff888021440c00: abort rx timeout. Force session deactivation vcan0: j1939_tp_rxtimer: 0xffff888021440800: abort rx timeout. Force session deactivation vcan0: j1939_tp_rxtimer: 0xffff88802aad5000: abort rx timeout. Force session deactivation ------------[ cut here ]------------ WARNING: CPU: 0 PID: 4865 at net/can/j1939/transport.c:1085 j1939_session_deactivate+0xaf/0xd0 net/can/j1939/transport.c:1085 Modules linked in: CPU: 0 PID: 4865 Comm: systemd-journal Not tainted 5.14.0-rc2-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:j1939_session_deactivate+0xaf/0xd0 net/can/j1939/transport.c:1085 Code: fd 01 76 21 e8 42 cb 68 f9 48 89 ef e8 2a fc ff ff 4c 89 e7 41 89 c5 e8 8f bf 1f 01 44 89 e8 5d 41 5c 41 5d c3 e8 21 cb 68 f9 <0f> 0b eb d6 4c 89 ef e8 85 ec ae f9 eb b5 48 89 ef e8 8b ec ae f9 RSP: 0018:ffffc90000007dd0 EFLAGS: 00010246 RAX: 0000000000000000 RBX: ffff88802aad5138 RCX: 0000000000000100 RDX: ffff88802d011c40 RSI: ffffffff880cbdaf RDI: 0000000000000003 RBP: ffff88802aad5000 R08: 0000000000000001 R09: ffff88802aad502b R10: ffffffff880cbd83 R11: 0000000000000000 R12: ffff888027059070 R13: 0000000000000001 R14: ffff88802b930000 R15: 0000000000000002 FS: 00007fa7959b78c0(0000) GS:ffff8880b9c00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000000970004 CR3: 000000002a488000 CR4: 00000000001506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: j1939_session_deactivate_activate_next+0x12/0x35 net/can/j1939/transport.c:1095 j1939_tp_rxtimer+0xcc/0x36b net/can/j1939/transport.c:1221 __run_hrtimer kernel/time/hrtimer.c:1537 [inline] __hrtimer_run_queues+0x609/0xe50 kernel/time/hrtimer.c:1601 hrtimer_run_softirq+0x17b/0x360 kernel/time/hrtimer.c:1618 __do_softirq+0x29b/0x9c2 kernel/softirq.c:558 invoke_softirq kernel/softirq.c:432 [inline] __irq_exit_rcu+0x16e/0x1c0 kernel/softirq.c:636 irq_exit_rcu+0x5/0x20 kernel/softirq.c:648 sysvec_call_function_single+0x93/0xc0 arch/x86/kernel/smp.c:243 asm_sysvec_call_function_single+0x12/0x20 arch/x86/include/asm/idtentry.h:646 RIP: 0010:path_lookupat+0x1b/0x860 fs/namei.c:2428 Code: 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 55 48 89 e5 41 57 41 56 41 55 41 54 49 89 fc 53 89 f3 48 83 ec 28 48 89 54 24 08 b0 cd aa ff 89 de 4c 89 e7 81 e3 00 80 00 00 e8 f0 e4 ff ff 31 RSP: 0018:ffffc900015bfc78 EFLAGS: 00000296 RAX: 0000000000000000 RBX: 0000000000000041 RCX: 0000000000000000 RDX: ffffc900015bfec8 RSI: 0000000000000041 RDI: ffffc900015bfd10 RBP: ffffc900015bfcc8 R08: fffffffffffff000 R09: 0000000000000001 R10: ffffffff81cb2d02 R11: 0000000000000000 R12: ffffc900015bfd10 R13: ffff88806ac94400 R14: ffffc900015bfec8 R15: ffffc900015bfd10 filename_lookup+0x1c6/0x5b0 fs/namei.c:2467 user_path_at include/linux/namei.h:57 [inline] do_faccessat+0x127/0x850 fs/open.c:425 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x44/0xae RIP: 0033:0x7fa794c729c7 Code: 83 c4 08 48 3d 01 f0 ff ff 73 01 c3 48 8b 0d c8 d4 2b 00 f7 d8 64 89 01 48 83 c8 ff c3 66 0f 1f 44 00 00 b8 15 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d a1 d4 2b 00 f7 d8 64 89 01 48 RSP: 002b:00007ffd4ae7d688 EFLAGS: 00000246 ORIG_RAX: 0000000000000015 RAX: ffffffffffffffda RBX: 00007ffd4ae806b0 RCX: 00007fa794c729c7 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000559301c099a3 RBP: 00007ffd4ae7d7d0 R08: 0000559301bff3e5 R09: 0000000000000018 R10: 0000000000000069 R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000000000 R14: 0000559303b248a0 R15: 00007ffd4ae7dcc0