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: 3887 Comm: systemd-udevd Not tainted 5.2.0-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:255 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: 0000:ffff8880ae809c68 EFLAGS: 00010282 RAX: dffffc0000000000 RBX: ffff888085f45180 RCX: 1ffff110148e8994 RDX: 0000000000000002 RSI: 0000000000000017 RDI: 0000000000000000 RBP: ffff8880ae809ce0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: ffff8880a80ec340 R12: 0000000000000000 R13: 0000000000000000 R14: ffff8880ae809db8 R15: ffff8880ae824b80 FS: 00007fc3ef2768c0(0000) GS:ffff8880ae800000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000055555658b978 CR3: 00000000a956e000 CR4: 00000000001406f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: hsr_announce+0xd9/0x2b0 net/hsr/hsr_device.c:339 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+0x262/0x931 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:537 [inline] smp_apic_timer_interrupt+0x174/0x590 arch/x86/kernel/apic/apic.c:1095 apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:828 RIP: 0033:0x5654768052a1 Code: 00 00 43 80 3c 13 2f 0f 84 1c 01 00 00 43 80 3c 14 2f 0f 84 11 01 00 00 90 48 8b 1b 48 39 1c 24 0f 84 63 01 00 00 4c 8b 7b 48 <4c> 39 7c 24 08 77 e8 74 56 4d 3b 7e 48 0f 83 4c 01 00 00 49 8b 6e RSP: 002b:00007ffd09364f50 EFLAGS: 00000287 ORIG_RAX: ffffffffffffff13 RAX: 00000000fffffe00 RBX: 00005654785beef0 RCX: 0000000000003270 RDX: 00000000000000e4 RSI: 00005654780af480 RDI: 00005654780b3c30 RBP: 0000000000000702 R08: 000000000000001c R09: 000000000000001c R10: 000000000000001c R11: 00007fc3ee178060 R12: 00005654780b3c14 R13: 0000000000000000 R14: 000056547807c210 R15: 0000000000003d3c Modules linked in: ---[ end trace 7e1a7a6d41776ecd ]--- RIP: 0010:send_hsr_supervision_frame+0x30/0xf60 net/hsr/hsr_device.c:255 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: 0000:ffff8880ae809c68 EFLAGS: 00010282 RAX: dffffc0000000000 RBX: ffff888085f45180 RCX: 1ffff110148e8994 RDX: 0000000000000002 RSI: 0000000000000017 RDI: 0000000000000000 RBP: ffff8880ae809ce0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: ffff8880a80ec340 R12: 0000000000000000 R13: 0000000000000000 R14: ffff8880ae809db8 R15: ffff8880ae824b80 FS: 00007fc3ef2768c0(0000) GS:ffff8880ae800000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000055555658b978 CR3: 00000000a956e000 CR4: 00000000001406f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400