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: 17882 Comm: blkid Not tainted 5.2.0+ #61 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 31 bc 4b 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: ffffffff8726a287 RDX: 0000000000000002 RSI: ffffffff87268f3f RDI: 0000000000000000 RBP: ffff8880ae809cd0 R08: ffff8880a40580c0 R09: ffffed1015d06c84 R10: ffffed1015d06c83 R11: ffff8880ae83641b R12: ffff88806feb5380 R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000 FS: 0000000000000000(0000) GS:ffff8880ae800000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f3159690ea0 CR3: 0000000097312000 CR4: 00000000001406f0 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:arch_local_irq_restore arch/x86/include/asm/paravirt.h:767 [inline] RIP: 0010:kmem_cache_free+0xab/0x320 mm/slab.c:3694 Code: e8 fa 26 00 00 84 c0 74 77 41 f7 c6 00 02 00 00 74 4f e8 a8 dc cb ff 48 83 3d 50 fb 26 07 00 0f 84 fa 01 00 00 4c 89 f7 57 9d <0f> 1f 44 00 00 4c 8b 6d 08 0f 1f 44 00 00 65 8b 05 70 a9 55 7e 83 RSP: 0018:ffff88808d13fa98 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 RAX: 0000000000000007 RBX: ffff888093625c08 RCX: 0000000000000000 RDX: 0000000000000000 RSI: 0000000000000006 RDI: 0000000000000286 RBP: ffff88808d13fab8 R08: ffff8880a40580c0 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000000 R12: ffff8880aa413a80 R13: ffffffff819e2788 R14: 0000000000000286 R15: ffff88808d13fc58 ptlock_free+0x38/0x42 mm/memory.c:4697 pgtable_page_dtor include/linux/mm.h:2019 [inline] ___pte_free_tlb+0x1e/0x160 arch/x86/mm/pgtable.c:48 __pte_free_tlb arch/x86/include/asm/pgalloc.h:60 [inline] free_pte_range mm/memory.c:200 [inline] free_pmd_range mm/memory.c:218 [inline] free_pud_range mm/memory.c:252 [inline] free_p4d_range mm/memory.c:286 [inline] free_pgd_range+0x8aa/0xe90 mm/memory.c:366 free_pgtables+0x236/0x2f0 mm/memory.c:398 exit_mmap+0x2c9/0x530 mm/mmap.c:3146 __mmput kernel/fork.c:1065 [inline] mmput+0x179/0x4d0 kernel/fork.c:1086 exit_mm kernel/exit.c:547 [inline] do_exit+0x823/0x2eb0 kernel/exit.c:864 do_group_exit+0x135/0x370 kernel/exit.c:981 __do_sys_exit_group kernel/exit.c:992 [inline] __se_sys_exit_group kernel/exit.c:990 [inline] __x64_sys_exit_group+0x44/0x50 kernel/exit.c:990 do_syscall_64+0xfd/0x6a0 arch/x86/entry/common.c:296 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x7f315964e1e8 Code: Bad RIP value. RSP: 002b:00007ffcd3787468 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f315964e1e8 RDX: 0000000000000002 RSI: 000000000000003c RDI: 0000000000000002 RBP: 00007f3159923840 R08: 00000000000000e7 R09: ffffffffffffffa8 R10: 00007f3159929740 R11: 0000000000000246 R12: 00007f3159923840 R13: 0000000000000001 R14: 0000000000000000 R15: 0000000000000000 Modules linked in: ---[ end trace 50c78858fe913be5 ]--- 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 31 bc 4b 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: ffffffff8726a287 RDX: 0000000000000002 RSI: ffffffff87268f3f RDI: 0000000000000000 RBP: ffff8880ae809cd0 R08: ffff8880a40580c0 R09: ffffed1015d06c84 R10: ffffed1015d06c83 R11: ffff8880ae83641b R12: ffff88806feb5380 R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000 FS: 0000000000000000(0000) GS:ffff8880ae800000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f315964e1be CR3: 0000000097312000 CR4: 00000000001406f0