[ 45.919088][ T6795] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 45.930698][ T6795] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_1 [ 45.945674][ T6795] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 45.956363][ T6795] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_1 [ 45.966833][ T6795] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 45.977081][ T6795] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_1 [ 45.988801][ T6795] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 45.999475][ T6795] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 46.008597][ T6346] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 46.018464][ T6346] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 463.809620][ C0] kasan: CONFIG_KASAN_INLINE enabled [ 463.815102][ C0] kasan: GPF could be caused by NULL-ptr deref or user memory access [ 463.823237][ C0] general protection fault: 0000 [#1] PREEMPT SMP KASAN [ 463.830166][ C0] CPU: 0 PID: 3887 Comm: systemd-udevd Not tainted 5.2.0-syzkaller #0 [ 463.838309][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 463.848693][ C0] RIP: 0010:send_hsr_supervision_frame+0x30/0xf60 [ 463.855096][ C0] 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 [ 463.874792][ C0] RSP: 0000:ffff8880ae809c68 EFLAGS: 00010282 [ 463.881361][ C0] RAX: dffffc0000000000 RBX: ffff888085f45180 RCX: 1ffff110148e8994 [ 463.889439][ C0] RDX: 0000000000000002 RSI: 0000000000000017 RDI: 0000000000000000 [ 463.897483][ C0] RBP: ffff8880ae809ce0 R08: 0000000000000000 R09: 0000000000000000 [ 463.905471][ C0] R10: 0000000000000000 R11: ffff8880a80ec340 R12: 0000000000000000 [ 463.913416][ C0] R13: 0000000000000000 R14: ffff8880ae809db8 R15: ffff8880ae824b80 [ 463.921471][ C0] FS: 00007fc3ef2768c0(0000) GS:ffff8880ae800000(0000) knlGS:0000000000000000 [ 463.930489][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 463.937541][ C0] CR2: 000055555658b978 CR3: 00000000a956e000 CR4: 00000000001406f0 [ 463.945826][ C0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 463.954668][ C0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 463.962614][ C0] Call Trace: [ 463.965866][ C0] [ 463.968693][ C0] ? lock_acquire+0x173/0x3d0 [ 463.973342][ C0] ? hsr_dev_open+0x2c0/0x2c0 [ 463.977986][ C0] ? lock_acquire+0x173/0x3d0 [ 463.982633][ C0] hsr_announce+0xd9/0x2b0 [ 463.987034][ C0] call_timer_fn+0x14d/0x510 [ 463.991730][ C0] ? debug_object_deactivate+0x2c4/0x3a0 [ 463.997349][ C0] ? hsr_dev_open+0x2c0/0x2c0 [ 464.002004][ C0] ? process_timeout+0x40/0x40 [ 464.006886][ C0] ? lock_acquire+0x173/0x3d0 [ 464.011586][ C0] ? _raw_spin_unlock_irq+0x27/0x80 [ 464.016754][ C0] ? trace_hardirqs_on+0x28/0x190 [ 464.021762][ C0] ? hsr_dev_open+0x2c0/0x2c0 [ 464.026418][ C0] run_timer_softirq+0xc6f/0x1330 [ 464.031427][ C0] ? add_timer+0x730/0x730 [ 464.035811][ C0] ? kvm_clock_read+0x18/0x30 [ 464.040473][ C0] ? kvm_sched_clock_read+0x9/0x20 [ 464.045584][ C0] ? sched_clock+0x31/0x40 [ 464.050153][ C0] ? sched_clock_cpu+0x1b/0x1b0 [ 464.054977][ C0] ? __do_softirq+0x1f9/0x931 [ 464.059625][ C0] ? trace_hardirqs_on+0x28/0x190 [ 464.064619][ C0] __do_softirq+0x262/0x931 [ 464.069099][ C0] ? sched_clock_cpu+0x1b/0x1b0 [ 464.073919][ C0] irq_exit+0x17f/0x1c0 [ 464.078062][ C0] smp_apic_timer_interrupt+0x174/0x590 [ 464.083584][ C0] apic_timer_interrupt+0xf/0x20 [ 464.088486][ C0] [ 464.091395][ C0] RIP: 0033:0x5654768052a1 [ 464.095780][ C0] 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 [ 464.115372][ C0] RSP: 002b:00007ffd09364f50 EFLAGS: 00000287 ORIG_RAX: ffffffffffffff13 [ 464.123767][ C0] RAX: 00000000fffffe00 RBX: 00005654785beef0 RCX: 0000000000003270 [ 464.131728][ C0] RDX: 00000000000000e4 RSI: 00005654780af480 RDI: 00005654780b3c30 [ 464.139781][ C0] RBP: 0000000000000702 R08: 000000000000001c R09: 000000000000001c [ 464.147883][ C0] R10: 000000000000001c R11: 00007fc3ee178060 R12: 00005654780b3c14 [ 464.155847][ C0] R13: 0000000000000000 R14: 000056547807c210 R15: 0000000000003d3c [ 464.163800][ C0] Modules linked in: [ 464.167744][ C0] ---[ end trace 7e1a7a6d41776ecd ]--- [ 464.173225][ C0] RIP: 0010:send_hsr_supervision_frame+0x30/0xf60 [ 464.179670][ C0] 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 [ 464.199332][ C0] RSP: 0000:ffff8880ae809c68 EFLAGS: 00010282 [ 464.205440][ C0] RAX: dffffc0000000000 RBX: ffff888085f45180 RCX: 1ffff110148e8994 [ 464.213451][ C0] RDX: 0000000000000002 RSI: 0000000000000017 RDI: 0000000000000000 [ 464.221517][ C0] RBP: ffff8880ae809ce0 R08: 0000000000000000 R09: 0000000000000000 [ 464.229482][ C0] R10: 0000000000000000 R11: ffff8880a80ec340 R12: 0000000000000000 [ 464.237490][ C0] R13: 0000000000000000 R14: ffff8880ae809db8 R15: ffff8880ae824b80 [ 464.245735][ C0] FS: 00007fc3ef2768c0(0000) GS:ffff8880ae800000(0000) knlGS:0000000000000000 [ 464.254809][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 464.261418][ C0] CR2: 000055555658b978 CR3: 00000000a956e000 CR4: 00000000001406f0 [ 464.269675][ C0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 464.277778][ C0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 464.285781][ C0] Kernel panic - not syncing: Fatal exception in interrupt [ 464.294610][ C0] Kernel Offset: disabled [ 464.298951][ C0] Rebooting in 86400 seconds..