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: 0 PID: 0 Comm: swapper/0 Not tainted 5.3.0-rc3-next-20190809 #63
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
RIP: 0010:rose_send_frame+0x1a8/0x280 net/rose/rose_link.c:101
Code: c1 ea 03 80 3c 02 00 0f 85 8d 00 00 00 48 b8 00 00 00 00 00 fc ff df 4c 8b 63 20 49 8d bc 24 50 03 00 00 48 89 fa 48 c1 ea 03 <80> 3c 02 00 75 7e 49 8b 94 24 50 03 00 00 e9 b8 fe ff ff e8 d0 c1
RSP: 0018:ffff8880ae809ad8 EFLAGS: 00010206
RAX: dffffc0000000000 RBX: ffff8882165e3840 RCX: ffffffff866c55db
RDX: 000000000000006a RSI: ffffffff866c570c RDI: 0000000000000350
RBP: ffff8880ae809b08 R08: ffffffff88e7a1c0 R09: ffffed101323050d
R10: ffffed101323050c R11: ffff888099182863 R12: 0000000000000000
R13: 0000000000000078 R14: 0000000000000005 R15: ffff8880915aa780
FS:  0000000000000000(0000) GS:ffff8880ae800000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000020000190 CR3: 0000000096bf9000 CR4: 00000000001406f0
Call Trace:
 <IRQ>
 rose_transmit_clear_request+0x1de/0x2a0 net/rose/rose_link.c:255
 rose_rx_call_request+0x4ec/0x19d4 net/rose/af_rose.c:998
 rose_loopback_timer+0x164/0x480 net/rose/rose_loopback.c:100
 call_timer_fn+0x1ac/0x780 kernel/time/timer.c:1404
 expire_timers kernel/time/timer.c:1449 [inline]
 __run_timers kernel/time/timer.c:1771 [inline]
 __run_timers kernel/time/timer.c:1738 [inline]
 run_timer_softirq+0x6c0/0x17f0 kernel/time/timer.c:1784
 __do_softirq+0x262/0x98c kernel/softirq.c:292
 invoke_softirq kernel/softirq.c:373 [inline]
 irq_exit+0x19b/0x1e0 kernel/softirq.c:413
 exiting_irq arch/x86/include/asm/apic.h:536 [inline]
 smp_apic_timer_interrupt+0x1a3/0x610 arch/x86/kernel/apic/apic.c:1095
 apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:830
 </IRQ>
RIP: 0010:native_safe_halt+0xe/0x10 arch/x86/include/asm/irqflags.h:61
Code: 58 01 6d fa eb 8a 90 90 90 90 90 90 e9 07 00 00 00 0f 00 2d b4 33 68 00 f4 c3 66 90 e9 07 00 00 00 0f 00 2d a4 33 68 00 fb f4 <c3> 90 55 48 89 e5 41 57 41 56 41 55 41 54 53 e8 ee ce 1f fa e8 49
RSP: 0018:ffffffff88e07c50 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
RAX: 1ffffffff11e5e7f RBX: 0000000000000000 RCX: 1ffffffff138c88e
RDX: dffffc0000000000 RSI: ffffffff81779b1e RDI: ffffffff873ffb3c
RBP: ffffffff88e07c80 R08: ffffffff88e7a1c0 R09: fffffbfff11cf439
R10: fffffbfff11cf438 R11: ffffffff88e7a1c7 R12: 0000000000000001
R13: ffffffff8980bea0 R14: 0000000000000000 R15: 0000000000000001
 default_enter_idle+0x71/0xf0 drivers/cpuidle/cpuidle-haltpoll.c:27
 cpuidle_enter_state+0xee/0xf70 drivers/cpuidle/cpuidle.c:229
 cpuidle_enter+0x4f/0xa0 drivers/cpuidle/cpuidle.c:344
 call_cpuidle kernel/sched/idle.c:117 [inline]
 cpuidle_idle_call kernel/sched/idle.c:201 [inline]
 do_idle+0x4bb/0x770 kernel/sched/idle.c:263
 cpu_startup_entry+0x1b/0x20 kernel/sched/idle.c:354
 rest_init+0x245/0x37b init/main.c:451
 arch_call_rest_init+0xe/0x1b
 start_kernel+0x912/0x951 init/main.c:785
 x86_64_start_reservations+0x29/0x2b arch/x86/kernel/head64.c:472
 x86_64_start_kernel+0x77/0x7b arch/x86/kernel/head64.c:453
 secondary_startup_64+0xa4/0xb0 arch/x86/kernel/head_64.S:241
Modules linked in:
---[ end trace d01b9af0912d2df4 ]---
RIP: 0010:rose_send_frame+0x1a8/0x280 net/rose/rose_link.c:101
Code: c1 ea 03 80 3c 02 00 0f 85 8d 00 00 00 48 b8 00 00 00 00 00 fc ff df 4c 8b 63 20 49 8d bc 24 50 03 00 00 48 89 fa 48 c1 ea 03 <80> 3c 02 00 75 7e 49 8b 94 24 50 03 00 00 e9 b8 fe ff ff e8 d0 c1
RSP: 0018:ffff8880ae809ad8 EFLAGS: 00010206
RAX: dffffc0000000000 RBX: ffff8882165e3840 RCX: ffffffff866c55db
RDX: 000000000000006a RSI: ffffffff866c570c RDI: 0000000000000350
RBP: ffff8880ae809b08 R08: ffffffff88e7a1c0 R09: ffffed101323050d
R10: ffffed101323050c R11: ffff888099182863 R12: 0000000000000000
R13: 0000000000000078 R14: 0000000000000005 R15: ffff8880915aa780
FS:  0000000000000000(0000) GS:ffff8880ae800000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000020000190 CR3: 0000000096bf9000 CR4: 00000000001406f0