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: 27124 Comm: syz-executor620 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: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: ffff88808bf5d100 RCX: ffffffff815611e4 RDX: 0000000000000002 RSI: 0000000000000017 RDI: 0000000000000000 RBP: ffff8880ae809ce0 R08: ffffed1015d06c78 R09: ffffed1015d06c77 R10: ffffed1015d06c77 R11: ffff8880ae8363bb R12: 0000000000000000 R13: 0000000000000000 R14: ffff8880ae809db8 R15: ffff8880ae824b80 FS: 000055555597b880(0000) GS:ffff8880ae800000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000020000300 CR3: 0000000095d58000 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+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:debug_lockdep_rcu_enabled.part.4+0x37/0x60 kernel/rcu/update.c:237 Code: e5 53 65 48 8b 1c 25 c0 fd 01 00 48 8d bb 7c 08 00 00 48 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 <84> d2 75 10 8b 93 7c 08 00 00 31 c0 5b 5d 85 d2 0f 94 c0 c3 e8 70 RSP: 0000:ffff8880961e7e20 EFLAGS: 00000202 ORIG_RAX: ffffffffffffff13 RAX: 0000000000000007 RBX: ffff88808b928080 RCX: ffff88808b928900 RDX: 0000000000000000 RSI: ffffffff88992380 RDI: ffff88808b9288fc RBP: ffff8880961e7e28 R08: ffffed1015d06c78 R09: ffffed1015d06c77 R10: ffffed1015d06c77 R11: ffff8880ae8363bb R12: ffffffff889b0ba0 R13: ffff88808b928080 R14: 0000000020000300 R15: 0000000000000055 debug_lockdep_rcu_enabled+0x77/0x90 kernel/rcu/update.c:236 task_css include/linux/cgroup.h:484 [inline] mem_cgroup_from_task+0x41/0x130 mm/memcontrol.c:902 count_memcg_event_mm include/linux/memcontrol.h:741 [inline] handle_mm_fault+0x133/0x800 mm/memory.c:4038 do_user_addr_fault arch/x86/mm/fault.c:1457 [inline] __do_page_fault+0x3f0/0xa20 arch/x86/mm/fault.c:1523 do_page_fault+0x64/0x3a7 arch/x86/mm/fault.c:1554 page_fault+0x1e/0x30 arch/x86/entry/entry_64.S:1156 RIP: 0033:0x4006fa Code: 0c 00 00 00 ba 03 00 00 00 be 10 00 00 00 bf 29 00 00 00 e8 e8 0c 04 00 48 83 f8 ff 74 07 48 89 05 9b a9 2c 00 b8 58 02 00 20 <48> c7 04 25 00 03 00 20 00 00 00 00 c7 04 25 08 03 00 20 00 00 00 RSP: 002b:00007ffc189e00c0 EFLAGS: 00010213 RAX: 0000000020000258 RBX: 0000000000000000 RCX: 00000000004413e9 RDX: 000000000000000c RSI: 0000000000000003 RDI: 0000000000000010 RBP: 0000000000076ca8 R08: 0000000000000004 R09: 00000000004002c8 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000402210 R13: 00000000004022a0 R14: 0000000000000000 R15: 0000000000000000 Modules linked in: ---[ end trace 9ff8ea61e961861a ]--- 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: ffff88808bf5d100 RCX: ffffffff815611e4 RDX: 0000000000000002 RSI: 0000000000000017 RDI: 0000000000000000 RBP: ffff8880ae809ce0 R08: ffffed1015d06c78 R09: ffffed1015d06c77 R10: ffffed1015d06c77 R11: ffff8880ae8363bb R12: 0000000000000000 R13: 0000000000000000 R14: ffff8880ae809db8 R15: ffff8880ae824b80 FS: 000055555597b880(0000) GS:ffff8880ae800000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000020000300 CR3: 0000000095d58000 CR4: 00000000001406f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400