kasan: CONFIG_KASAN_INLINE enabled kasan: GPF could be caused by NULL-ptr deref or user memory access general protection fault: 0000 [#1] PREEMPT SMP KASAN CPU: 1 PID: 2681 Comm: aoe_tx0 Not tainted 4.20.0-rc7-next-20181224 #189 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:ax25cmp+0x3e/0x180 net/ax25/ax25_addr.c:122 Code: f6 41 55 49 89 fd 41 54 49 89 f4 53 48 83 ec 10 48 89 7d d0 48 89 75 c8 e8 9f 7f 7d fa 4c 89 e8 4c 89 ea 48 c1 e8 03 83 e2 07 <42> 0f b6 04 38 38 d0 7f 08 84 c0 0f 85 23 01 00 00 4c 89 e0 4c 89 RSP: 0018:ffff8880a06173c8 EFLAGS: 00010202 RAX: 0000000000000002 RBX: ffff88809a546840 RCX: 0000000000000001 RDX: 0000000000000007 RSI: ffffffff870472c1 RDI: 0000000000000017 RBP: ffff8880a0617400 R08: ffffed10140c2e70 R09: ffffed10140c2e6f R10: ffffed10140c2e6f R11: 0000000000000003 R12: ffff88809a546848 R13: 0000000000000017 R14: 0000000000000000 R15: dffffc0000000000 FS: 0000000000000000(0000) GS:ffff8880ae700000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000000414a90 CR3: 000000000966e000 CR4: 00000000001406e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: rose_route_frame+0x2d0/0x19a0 net/rose/rose_route.c:885 rose_xmit+0x88/0x180 net/rose/rose_dev.c:110 __netdev_start_xmit include/linux/netdevice.h:4382 [inline] netdev_start_xmit include/linux/netdevice.h:4391 [inline] xmit_one net/core/dev.c:3278 [inline] dev_hard_start_xmit+0x286/0xc80 net/core/dev.c:3294 __dev_queue_xmit+0x2efb/0x3940 net/core/dev.c:3864 dev_queue_xmit+0x17/0x20 net/core/dev.c:3897 tx+0x77/0xd0 drivers/block/aoe/aoenet.c:63 kthread+0x296/0x4a0 drivers/block/aoe/aoecmd.c:1239 kthread+0x35a/0x440 kernel/kthread.c:246 ret_from_fork+0x3a/0x50 arch/x86/entry/entry_64.S:352 Modules linked in: ---[ end trace 990f64e0a124d8ef ]--- RIP: 0010:ax25cmp+0x3e/0x180 net/ax25/ax25_addr.c:122 Code: f6 41 55 49 89 fd 41 54 49 89 f4 53 48 83 ec 10 48 89 7d d0 48 89 75 c8 e8 9f 7f 7d fa 4c 89 e8 4c 89 ea 48 c1 e8 03 83 e2 07 <42> 0f b6 04 38 38 d0 7f 08 84 c0 0f 85 23 01 00 00 4c 89 e0 4c 89 RSP: 0018:ffff8880a06173c8 EFLAGS: 00010202 RAX: 0000000000000002 RBX: ffff88809a546840 RCX: 0000000000000001 RDX: 0000000000000007 RSI: ffffffff870472c1 RDI: 0000000000000017 RBP: ffff8880a0617400 R08: ffffed10140c2e70 R09: ffffed10140c2e6f R10: ffffed10140c2e6f R11: 0000000000000003 R12: ffff88809a546848 R13: 0000000000000017 R14: 0000000000000000 R15: dffffc0000000000 FS: 0000000000000000(0000) GS:ffff8880ae700000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000000414a90 CR3: 000000000966e000 CR4: 00000000001406e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400