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 5.2.0-next-20190709 #34 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:send_hsr_supervision_frame+0x38/0xf20 net/hsr/hsr_device.c:255 Code: 89 fd 41 54 53 48 83 ec 50 89 75 bc e8 11 ed 42 fa 49 8d 45 10 48 89 c2 48 89 45 d0 48 b8 00 00 00 00 00 fc ff df 48 c1 ea 03 <80> 3c 02 00 0f 85 dc 0c 00 00 48 b8 00 00 00 00 00 fc ff df 4d 8b RSP: 0018:ffff8880ae809c58 EFLAGS: 00010202 RAX: dffffc0000000000 RBX: 0000000000000000 RCX: ffffffff872f6b47 RDX: 0000000000000002 RSI: ffffffff872f57ff RDI: 0000000000000000 RBP: ffff8880ae809cd0 R08: ffffffff88c7a1c0 R09: ffffed1015d06c84 R10: ffffed1015d06c83 R11: ffff8880ae83641b R12: ffff88809ce1d280 R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000 FS: 0000000000000000(0000) GS:ffff8880ae800000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00000000006de0a0 CR3: 000000009fec7000 CR4: 00000000001406f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: hsr_announce+0x12f/0x3b0 net/hsr/hsr_device.c:339 call_timer_fn+0x1ac/0x780 kernel/time/timer.c:1322 expire_timers kernel/time/timer.c:1366 [inline] __run_timers kernel/time/timer.c:1685 [inline] __run_timers kernel/time/timer.c:1653 [inline] run_timer_softirq+0x697/0x17a0 kernel/time/timer.c:1698 __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:537 [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:828 RIP: 0010:native_safe_halt+0xe/0x10 arch/x86/include/asm/irqflags.h:61 Code: c8 fa 72 fa eb 8a 90 90 90 90 90 90 e9 07 00 00 00 0f 00 2d 24 94 4e 00 f4 c3 66 90 e9 07 00 00 00 0f 00 2d 14 94 4e 00 fb f4 90 55 48 89 e5 41 57 41 56 41 55 41 54 53 e8 de 8c 26 fa e8 49 RSP: 0018:ffffffff88c07ce8 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 RAX: 1ffffffff11a5c7d RBX: ffffffff88c7a1c0 RCX: 0000000000000000 RDX: dffffc0000000000 RSI: 0000000000000006 RDI: ffffffff88c7aa54 RBP: ffffffff88c07d18 R08: ffffffff88c7a1c0 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000000 R12: dffffc0000000000 R13: ffffffff89a4faf8 R14: 0000000000000000 R15: 0000000000000000 arch_cpu_idle+0xa/0x10 arch/x86/kernel/process.c:571 default_idle_call+0x84/0xb0 kernel/sched/idle.c:94 cpuidle_idle_call kernel/sched/idle.c:154 [inline] do_idle+0x413/0x760 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:243 Modules linked in: ---[ end trace 2d071055868cfe61 ]--- RIP: 0010:send_hsr_supervision_frame+0x38/0xf20 net/hsr/hsr_device.c:255 Code: 89 fd 41 54 53 48 83 ec 50 89 75 bc e8 11 ed 42 fa 49 8d 45 10 48 89 c2 48 89 45 d0 48 b8 00 00 00 00 00 fc ff df 48 c1 ea 03 <80> 3c 02 00 0f 85 dc 0c 00 00 48 b8 00 00 00 00 00 fc ff df 4d 8b RSP: 0018:ffff8880ae809c58 EFLAGS: 00010202 RAX: dffffc0000000000 RBX: 0000000000000000 RCX: ffffffff872f6b47 RDX: 0000000000000002 RSI: ffffffff872f57ff RDI: 0000000000000000 RBP: ffff8880ae809cd0 R08: ffffffff88c7a1c0 R09: ffffed1015d06c84 R10: ffffed1015d06c83 R11: ffff8880ae83641b R12: ffff88809ce1d280 R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000 FS: 0000000000000000(0000) GS:ffff8880ae800000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00000000006de0a0 CR3: 0000000008c6d000 CR4: 00000000001406f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400