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: 2989 Comm: kworker/u4:5 Not tainted 5.0.0-rc7-next-20190222 #41
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Workqueue:            (null) (bat_events)
RIP: 0010:rose_send_frame+0x1a8/0x280 net/rose/rose_link.c:104
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 58 03 00 00 48 89 fa 48 c1 ea 03 <80> 3c 02 00 75 7e 49 8b 94 24 58 03 00 00 e9 b8 fe ff ff e8 90 d7
RSP: 0018:ffff8880ae807ae8 EFLAGS: 00010202
RAX: dffffc0000000000 RBX: ffff88809b24dac0 RCX: ffffffff863c7c7b
RDX: 000000000000006b RSI: ffffffff863c7dac RDI: 0000000000000358
RBP: ffff8880ae807b18 R08: ffff88809ec520c0 R09: ffffed1011593165
R10: ffffed1011593164 R11: ffff88808ac98b23 R12: 0000000000000000
R13: 0000000000000078 R14: 0000000000000005 R15: ffff8880a4fcb280
FS:  0000000000000000(0000) GS:ffff8880ae800000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000000130 CR3: 0000000092e3d000 CR4: 00000000001406f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <IRQ>
 rose_transmit_clear_request+0x1de/0x2a0 net/rose/rose_link.c:258
 rose_rx_call_request+0x4ea/0x1990 net/rose/af_rose.c:1001
 rose_loopback_timer+0x26a/0x3f0 net/rose/rose_loopback.c:100
 call_timer_fn+0x190/0x720 kernel/time/timer.c:1325
 expire_timers kernel/time/timer.c:1362 [inline]
 __run_timers kernel/time/timer.c:1681 [inline]
 __run_timers kernel/time/timer.c:1649 [inline]
 run_timer_softirq+0x652/0x1700 kernel/time/timer.c:1694
 __do_softirq+0x266/0x95a kernel/softirq.c:293
 invoke_softirq kernel/softirq.c:374 [inline]
 irq_exit+0x180/0x1d0 kernel/softirq.c:414
 exiting_irq arch/x86/include/asm/apic.h:536 [inline]
 smp_apic_timer_interrupt+0x14a/0x570 arch/x86/kernel/apic/apic.c:1062
 apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:807
 </IRQ>
RIP: 0010:__raw_spin_unlock_irq include/linux/spinlock_api_smp.h:169 [inline]
RIP: 0010:_raw_spin_unlock_irq+0x54/0x90 kernel/locking/spinlock.c:192
Code: c0 c0 88 92 88 48 ba 00 00 00 00 00 fc ff df 48 c1 e8 03 80 3c 10 00 75 33 48 83 3d 65 4f 87 01 00 74 20 fb 66 0f 1f 44 00 00 <bf> 01 00 00 00 e8 f2 8b 42 fa 65 8b 05 1b b4 f6 78 85 c0 74 06 41
RSP: 0018:ffff88809ec27ce8 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
RAX: 1ffffffff1125118 RBX: ffff88809ec520c0 RCX: 0000000000000000
RDX: dffffc0000000000 RSI: 0000000000000006 RDI: ffff88809ec5293c
RBP: ffff88809ec27cf0 R08: ffff88809ec520c0 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000000 R12: ffff8880ae82cf80
R13: ffff888092e7c580 R14: 0000000000000000 R15: 0000000000000001
 finish_lock_switch kernel/sched/core.c:2627 [inline]
 finish_task_switch+0x146/0x780 kernel/sched/core.c:2727
 context_switch kernel/sched/core.c:2880 [inline]
 __schedule+0x81f/0x1cc0 kernel/sched/core.c:3518
 schedule+0x92/0x180 kernel/sched/core.c:3562
 worker_thread+0x248/0xe40 kernel/workqueue.c:2434
 kthread+0x357/0x430 kernel/kthread.c:253
 ret_from_fork+0x3a/0x50 arch/x86/entry/entry_64.S:352
Modules linked in:
---[ end trace 3e59fe23c4410e04 ]---
RIP: 0010:rose_send_frame+0x1a8/0x280 net/rose/rose_link.c:104
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 58 03 00 00 48 89 fa 48 c1 ea 03 <80> 3c 02 00 75 7e 49 8b 94 24 58 03 00 00 e9 b8 fe ff ff e8 90 d7
RSP: 0018:ffff8880ae807ae8 EFLAGS: 00010202
RAX: dffffc0000000000 RBX: ffff88809b24dac0 RCX: ffffffff863c7c7b
RDX: 000000000000006b RSI: ffffffff863c7dac RDI: 0000000000000358
RBP: ffff8880ae807b18 R08: ffff88809ec520c0 R09: ffffed1011593165
R10: ffffed1011593164 R11: ffff88808ac98b23 R12: 0000000000000000
R13: 0000000000000078 R14: 0000000000000005 R15: ffff8880a4fcb280
FS:  0000000000000000(0000) GS:ffff8880ae800000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000000130 CR3: 0000000008871000 CR4: 00000000001406f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400