EXT4-fs (loop3): Couldn't mount because of unsupported optional features (9) EXT4-fs (loop3): couldn't mount as ext3 due to feature incompatibilities list_add corruption. prev->next should be next (ffffffff8a1dca60), but was ffff8881cc584730. (prev=ffff8881d34df8f0). ------------[ cut here ]------------ kernel BUG at lib/list_debug.c:28! invalid opcode: 0000 [#1] PREEMPT SMP KASAN CPU: 1 PID: 11916 Comm: blkid Not tainted 4.20.0-rc6-next-20181210+ #164 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:__list_add_valid.cold.2+0x23/0x2a lib/list_debug.c:26 Code: e8 00 1f d2 fd 0f 0b 48 89 d9 48 c7 c7 20 e6 80 88 e8 ef 1e d2 fd 0f 0b 48 89 f1 48 c7 c7 a0 e6 80 88 48 89 de e8 db 1e d2 fd <0f> 0b 90 90 90 90 90 55 48 89 e5 41 57 41 56 49 be 00 00 00 00 00 RSP: 0018:ffff8881dad06ce0 EFLAGS: 00010286 RAX: 0000000000000075 RBX: ffffffff8a1dca60 RCX: 0000000000000000 RDX: 0000000000000000 RSI: ffffffff816621c5 RDI: 0000000000000005 RBP: ffff8881dad06cf8 R08: ffff8881b36a2340 R09: 0000000000000002 R10: 0000000000000000 R11: ffff8881b36a2340 R12: ffff8881ce5ecb70 R13: ffff8881ce5ec900 R14: ffffffff8a1dc820 R15: ffffffff8a1dcab0 FS: 00007f563b8b9740(0000) GS:ffff8881dad00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f563b47b1c4 CR3: 00000001cbcf1000 CR4: 00000000001426e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: __list_add include/linux/list.h:60 [inline] list_add_tail include/linux/list.h:93 [inline] neigh_alloc net/core/neighbour.c:395 [inline] ___neigh_create+0x14b7/0x2600 net/core/neighbour.c:553 __neigh_create+0x30/0x40 net/core/neighbour.c:640 ip6_finish_output2+0xa64/0x2940 net/ipv6/ip6_output.c:117 ip6_finish_output+0x58c/0xc60 net/ipv6/ip6_output.c:154 NF_HOOK_COND include/linux/netfilter.h:278 [inline] ip6_output+0x232/0x9d0 net/ipv6/ip6_output.c:171 dst_output include/net/dst.h:444 [inline] NF_HOOK include/linux/netfilter.h:289 [inline] ndisc_send_skb+0x1005/0x1560 net/ipv6/ndisc.c:491 ndisc_send_rs+0x134/0x6e0 net/ipv6/ndisc.c:685 addrconf_rs_timer+0x314/0x690 net/ipv6/addrconf.c:3840 call_timer_fn+0x272/0x920 kernel/time/timer.c:1325 expire_timers kernel/time/timer.c:1362 [inline] __run_timers+0x7e5/0xc70 kernel/time/timer.c:1681 run_timer_softirq+0x52/0xb0 kernel/time/timer.c:1694 __do_softirq+0x308/0xb7e 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+0x1cb/0x760 arch/x86/kernel/apic/apic.c:1061 apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:807 RIP: 0010:arch_local_irq_restore arch/x86/include/asm/paravirt.h:766 [inline] RIP: 0010:lock_acquire+0x268/0x520 kernel/locking/lockdep.c:3847 Code: 00 00 48 89 fa 48 c1 ea 03 80 3c 02 00 0f 85 44 02 00 00 48 83 3d f7 2d 10 08 00 0f 84 c3 01 00 00 48 8b bd 20 ff ff ff 57 9d <0f> 1f 44 00 00 48 b8 00 00 00 00 00 fc ff df 48 01 c3 48 c7 03 00 RSP: 0018:ffff8881808c7848 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 RAX: dffffc0000000000 RBX: 1ffff11030118f0e RCX: 0000000000000000 RDX: 1ffffffff12e4816 RSI: 0000000000000000 RDI: 0000000000000282 RBP: ffff8881808c7938 R08: ffff8881b36a2c08 R09: 0000000000000008 R10: 0000000000005c4d R11: ffff8881b36a2340 R12: ffff8881b36a2340 R13: 0000000000000001 R14: 0000000000000001 R15: 0000000000000000 down_read+0x8d/0x120 kernel/locking/rwsem.c:24 anon_vma_lock_read include/linux/rmap.h:130 [inline] validate_mm+0xe0/0x630 mm/mmap.c:397 __vma_adjust+0xab1/0x1810 mm/mmap.c:998 vma_adjust include/linux/mm.h:2347 [inline] __split_vma+0x2cf/0x570 mm/mmap.c:2677 split_vma+0xa3/0xe0 mm/mmap.c:2706 mprotect_fixup+0x97a/0xc60 mm/mprotect.c:422 do_mprotect_pkey+0x5d2/0xa60 mm/mprotect.c:560 __do_sys_mprotect mm/mprotect.c:585 [inline] __se_sys_mprotect mm/mprotect.c:582 [inline] __x64_sys_mprotect+0x78/0xb0 mm/mprotect.c:582 do_syscall_64+0x1b9/0x820 arch/x86/entry/common.c:290 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x7f563b6b9447 Code: 73 01 c3 48 8d 0d 5d ad 20 00 31 d2 48 29 c2 89 11 48 83 c8 ff eb eb 90 90 90 90 90 90 90 90 90 90 90 90 b8 0a 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8d 0d 2d ad 20 00 31 d2 48 29 c2 89 RSP: 002b:00007ffda663a7a8 EFLAGS: 00000206 ORIG_RAX: 000000000000000a RAX: ffffffffffffffda RBX: 00007f563b8c19a8 RCX: 00007f563b6b9447 RDX: 0000000000000001 RSI: 0000000000004000 RDI: 00007f563b472000 RBP: 00007ffda663a8a0 R08: 000000000000003f R09: 0000000000000001 R10: 00007f563b10daf0 R11: 0000000000000206 R12: 00007f563b0ef000 R13: 00007f563b476020 R14: 00007f563b10daf0 R15: 00007f563b476d98 Modules linked in: ---[ end trace 7e17122e7cae1968 ]--- RIP: 0010:__list_add_valid.cold.2+0x23/0x2a lib/list_debug.c:26 kobject: 'loop1' (00000000317d9351): kobject_uevent_env Code: e8 00 1f d2 fd 0f 0b 48 89 d9 48 c7 c7 20 e6 80 88 e8 ef 1e d2 fd 0f 0b 48 89 f1 48 c7 c7 a0 e6 80 88 48 89 de e8 db 1e d2 fd <0f> 0b 90 90 90 90 90 55 48 89 e5 41 57 41 56 49 be 00 00 00 00 00 kobject: 'loop1' (00000000317d9351): fill_kobj_path: path = '/devices/virtual/block/loop1' RSP: 0018:ffff8881dad06ce0 EFLAGS: 00010286 RAX: 0000000000000075 RBX: ffffffff8a1dca60 RCX: 0000000000000000 RDX: 0000000000000000 RSI: ffffffff816621c5 RDI: 0000000000000005 RBP: ffff8881dad06cf8 R08: ffff8881b36a2340 R09: 0000000000000002 kobject: 'regulatory.0' (0000000090109440): kobject_uevent_env R10: 0000000000000000 R11: ffff8881b36a2340 R12: ffff8881ce5ecb70 R13: ffff8881ce5ec900 R14: ffffffff8a1dc820 R15: ffffffff8a1dcab0 FS: 00007f563b8b9740(0000) GS:ffff8881dad00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 kobject: 'regulatory.0' (0000000090109440): fill_kobj_path: path = '/devices/platform/regulatory.0' CR2: 00007f563b47b1c4 CR3: 00000001cbcf1000 CR4: 00000000001426e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400