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 5.0.0-rc5-next-20190205 #28 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: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 40 c7 RSP: 0018:ffff8880ae807ae8 EFLAGS: 00010202 RAX: dffffc0000000000 RBX: ffff8882166ee0c0 RCX: ffffffff8637310b RDX: 000000000000006b RSI: ffffffff8637323c RDI: 0000000000000358 RBP: ffff8880ae807b18 R08: ffffffff8887dfc0 R09: ffffed1014fbd4c5 R10: ffffed1014fbd4c4 R11: ffff8880a7dea623 R12: 0000000000000000 R13: 0000000000000078 R14: 0000000000000005 R15: ffff8880a84567c0 FS: 0000000000000000(0000) GS:ffff8880ae800000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000001d9de80 CR3: 00000000a842b000 CR4: 00000000001406f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: rose_transmit_clear_request+0x1de/0x2a0 net/rose/rose_link.c:258 rose_rx_call_request+0x4ea/0x1990 net/rose/af_rose.c:999 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:292 invoke_softirq kernel/softirq.c:373 [inline] irq_exit+0x180/0x1d0 kernel/softirq.c:413 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 RIP: 0010:native_safe_halt+0x2/0x10 arch/x86/include/asm/irqflags.h:58 Code: ff ff ff 48 89 c7 48 89 45 d8 e8 49 a8 a2 fa 48 8b 45 d8 e9 ce fe ff ff 48 89 df e8 38 a8 a2 fa eb 82 90 90 90 90 90 90 fb f4 0f 1f 00 66 2e 0f 1f 84 00 00 00 00 00 f4 c3 90 90 90 90 90 90 RSP: 0018:ffffffff88807d08 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 RAX: 1ffffffff1125109 RBX: ffffffff8887dfc0 RCX: 0000000000000000 RDX: dffffc0000000000 RSI: 0000000000000006 RDI: ffffffff8887e83c RBP: ffffffff88807d38 R08: ffffffff8887dfc0 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 R13: ffffffff88928838 R14: 0000000000000000 R15: 0000000000000000 arch_cpu_idle+0x10/0x20 arch/x86/kernel/process.c:567 default_idle_call+0x36/0x90 kernel/sched/idle.c:93 cpuidle_idle_call kernel/sched/idle.c:153 [inline] do_idle+0x386/0x570 kernel/sched/idle.c:262 cpu_startup_entry+0x1b/0x20 kernel/sched/idle.c:353 rest_init+0x245/0x37b init/main.c:450 arch_call_rest_init+0xe/0x1b start_kernel+0x816/0x84f init/main.c:747 x86_64_start_reservations+0x29/0x2b arch/x86/kernel/head64.c:470 x86_64_start_kernel+0x77/0x7b arch/x86/kernel/head64.c:451 secondary_startup_64+0xa4/0xb0 arch/x86/kernel/head_64.S:243 Modules linked in: ---[ end trace 9a1cea30c1cbad8f ]--- 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 40 c7 RSP: 0018:ffff8880ae807ae8 EFLAGS: 00010202 RAX: dffffc0000000000 RBX: ffff8882166ee0c0 RCX: ffffffff8637310b RDX: 000000000000006b RSI: ffffffff8637323c RDI: 0000000000000358 RBP: ffff8880ae807b18 R08: ffffffff8887dfc0 R09: ffffed1014fbd4c5 R10: ffffed1014fbd4c4 R11: ffff8880a7dea623 R12: 0000000000000000 R13: 0000000000000078 R14: 0000000000000005 R15: ffff8880a84567c0 FS: 0000000000000000(0000) GS:ffff8880ae800000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000001d9de80 CR3: 00000000a842b000 CR4: 00000000001406f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400