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: 0 Comm: swapper/1 Not tainted 5.2.0-rc6-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:send_hsr_supervision_frame+0x30/0xf60 net/hsr/hsr_device.c:251 Code: 89 e5 41 57 41 56 41 55 49 89 fd 41 54 41 89 d4 48 89 c2 53 48 c1 ea 03 48 83 ec 50 48 89 45 d0 48 b8 00 00 00 00 00 fc ff df <80> 3c 02 00 89 75 c8 0f 85 83 0c 00 00 48 b8 00 00 00 00 00 fc ff RSP: 0018:ffff8880ae909c68 EFLAGS: 00010282 RAX: dffffc0000000000 RBX: ffff88808672b180 RCX: 1ffff1100ef28084 RDX: 0000000000000002 RSI: 0000000000000017 RDI: 0000000000000000 RBP: ffff8880ae909ce0 R08: ffffed1015d26c78 R09: ffffed1015d26c77 R10: ffffed1015d26c77 R11: ffff8880ae9363bb R12: 0000000000000000 R13: 0000000000000000 R14: ffff8880ae909db8 R15: ffff8880ae924b80 FS: 0000000000000000(0000) GS:ffff8880ae900000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f181e546e78 CR3: 0000000084ee9000 CR4: 00000000001406e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: hsr_announce+0xd9/0x2b0 net/hsr/hsr_device.c:335 call_timer_fn+0x14d/0x510 kernel/time/timer.c:1322 expire_timers kernel/time/timer.c:1366 [inline] __run_timers kernel/time/timer.c:1685 [inline] run_timer_softirq+0xc6f/0x1330 kernel/time/timer.c:1698 __do_softirq+0x260/0x958 kernel/softirq.c:292 invoke_softirq kernel/softirq.c:373 [inline] irq_exit+0x17f/0x1c0 kernel/softirq.c:413 exiting_irq arch/x86/include/asm/apic.h:536 [inline] smp_apic_timer_interrupt+0x13e/0x540 arch/x86/kernel/apic/apic.c:1068 apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:806 RIP: 0010:native_safe_halt+0x12/0x20 arch/x86/include/asm/irqflags.h:61 Code: 11 ff ff ff 4c 89 e7 e8 4c 53 98 fa eb 97 90 90 90 90 90 90 90 90 90 90 55 48 89 e5 e9 07 00 00 00 0f 00 2d e0 e9 47 00 fb f4 <5d> c3 66 90 66 2e 0f 1f 84 00 00 00 00 00 55 48 89 e5 e9 07 00 00 RSP: 0018:ffff8880a98dfd70 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 RAX: dffffc0000000000 RBX: ffff8880a98cc340 RCX: 0000000000000000 RDX: 1ffffffff10e4331 RSI: 0000000000000006 RDI: ffffffff88721988 RBP: ffff8880a98dfd70 R08: 0000000000000006 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000001 R13: ffffffff88721978 R14: 0000000000000001 R15: ffffffff89467ef8 arch_safe_halt arch/x86/include/asm/paravirt.h:156 [inline] default_idle+0x51/0x310 arch/x86/kernel/process.c:580 arch_cpu_idle+0xa/0x10 arch/x86/kernel/process.c:571 default_idle_call+0x6d/0x90 kernel/sched/idle.c:94 cpuidle_idle_call kernel/sched/idle.c:154 [inline] do_idle+0x3e4/0x590 kernel/sched/idle.c:263 cpu_startup_entry+0x18/0x20 kernel/sched/idle.c:354 start_secondary+0x367/0x4b0 arch/x86/kernel/smpboot.c:265 secondary_startup_64+0xa4/0xb0 arch/x86/kernel/head_64.S:243 Modules linked in: ---[ end trace fff565d4832e0198 ]--- RIP: 0010:send_hsr_supervision_frame+0x30/0xf60 net/hsr/hsr_device.c:251 Code: 89 e5 41 57 41 56 41 55 49 89 fd 41 54 41 89 d4 48 89 c2 53 48 c1 ea 03 48 83 ec 50 48 89 45 d0 48 b8 00 00 00 00 00 fc ff df <80> 3c 02 00 89 75 c8 0f 85 83 0c 00 00 48 b8 00 00 00 00 00 fc ff RSP: 0018:ffff8880ae909c68 EFLAGS: 00010282 RAX: dffffc0000000000 RBX: ffff88808672b180 RCX: 1ffff1100ef28084 RDX: 0000000000000002 RSI: 0000000000000017 RDI: 0000000000000000 RBP: ffff8880ae909ce0 R08: ffffed1015d26c78 R09: ffffed1015d26c77 R10: ffffed1015d26c77 R11: ffff8880ae9363bb R12: 0000000000000000 R13: 0000000000000000 R14: ffff8880ae909db8 R15: ffff8880ae924b80 FS: 0000000000000000(0000) GS:ffff8880ae900000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f181e546e78 CR3: 0000000084ee9000 CR4: 00000000001406e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400