------------[ cut here ]------------ kernel BUG at mm/slab.c:2965! invalid opcode: 0000 [#1] PREEMPT SMP KASAN CPU: 0 PID: 32471 Comm: blkid Not tainted 5.0.0+ #103 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:alloc_block mm/slab.c:2965 [inline] RIP: 0010:cache_alloc_refill mm/slab.c:3024 [inline] RIP: 0010:____cache_alloc mm/slab.c:3127 [inline] RIP: 0010:____cache_alloc mm/slab.c:3110 [inline] RIP: 0010:__do_cache_alloc mm/slab.c:3349 [inline] RIP: 0010:slab_alloc mm/slab.c:3384 [inline] RIP: 0010:kmem_cache_alloc+0x5fb/0x6f0 mm/slab.c:3554 Code: 45 c8 4c 89 62 08 48 89 53 08 48 89 4b 10 4c 89 60 48 41 f6 45 23 40 0f 84 3d ff ff ff 48 c7 43 20 00 00 00 00 e9 30 ff ff ff <0f> 0b 0f 0b c7 46 0c 01 00 00 00 e9 42 ff ff ff 0f 1f 44 00 00 8b RSP: 0018:ffff88808fcdfd40 EFLAGS: 00010086 RAX: 0000000000000001 RBX: ffffea00023ad200 RCX: ffff88812c2b8638 RDX: ffff88812c2b8638 RSI: 0000000000000000 RDI: ffff88812c2b8600 RBP: ffff88808fcdfda8 R08: 1ffff11011f9bf95 R09: 0000000000000004 R10: ffffed1011f9bf95 R11: 0000000000000003 R12: ffff88812c2d8dc0 R13: ffff88812c2d8dc0 R14: 0000000000000004 R15: ffffe8ffffc04830 FS: 0000000000000000(0000) GS:ffff8880ae800000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fb40b172000 CR3: 00000000858d8000 CR4: 00000000001406f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: getname_flags fs/namei.c:138 [inline] getname_flags+0xd6/0x5b0 fs/namei.c:128 getname+0x1a/0x20 fs/namei.c:209 do_sys_open+0x2c9/0x5d0 fs/open.c:1057 __do_sys_open fs/open.c:1081 [inline] __se_sys_open fs/open.c:1076 [inline] __x64_sys_open+0x7e/0xc0 fs/open.c:1076 do_syscall_64+0x103/0x610 arch/x86/entry/common.c:290 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x7fb40af6f1a7 Code: c3 66 90 c7 05 fa af 20 00 16 00 00 00 b8 ff ff ff ff c3 f7 d8 89 05 ec af 20 00 83 c8 ff c3 90 90 90 90 b8 02 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8d 0d cd af 20 00 31 d2 48 29 c2 89 RSP: 002b:00007ffed787eb28 EFLAGS: 00000246 ORIG_RAX: 0000000000000002 RAX: ffffffffffffffda RBX: 00007fb40b17a1c8 RCX: 00007fb40af6f1a7 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00007fb40b1750ee RBP: 00007ffed787eba0 R08: 00007ffed787ef9f R09: 0000000000000000 R10: 00007fb40b1750ee R11: 0000000000000246 R12: 0000000000000008 R13: 00007fb40b179040 R14: 0000000000000000 R15: 00007ffed787ef9f Modules linked in: ---[ end trace 402a275cc87d1790 ]--- RIP: 0010:alloc_block mm/slab.c:2965 [inline] RIP: 0010:cache_alloc_refill mm/slab.c:3024 [inline] RIP: 0010:____cache_alloc mm/slab.c:3127 [inline] RIP: 0010:____cache_alloc mm/slab.c:3110 [inline] RIP: 0010:__do_cache_alloc mm/slab.c:3349 [inline] RIP: 0010:slab_alloc mm/slab.c:3384 [inline] RIP: 0010:kmem_cache_alloc+0x5fb/0x6f0 mm/slab.c:3554 Code: 45 c8 4c 89 62 08 48 89 53 08 48 89 4b 10 4c 89 60 48 41 f6 45 23 40 0f 84 3d ff ff ff 48 c7 43 20 00 00 00 00 e9 30 ff ff ff <0f> 0b 0f 0b c7 46 0c 01 00 00 00 e9 42 ff ff ff 0f 1f 44 00 00 8b RSP: 0018:ffff88808fcdfd40 EFLAGS: 00010086 RAX: 0000000000000001 RBX: ffffea00023ad200 RCX: ffff88812c2b8638 RDX: ffff88812c2b8638 RSI: 0000000000000000 RDI: ffff88812c2b8600 RBP: ffff88808fcdfda8 R08: 1ffff11011f9bf95 R09: 0000000000000004 R10: ffffed1011f9bf95 R11: 0000000000000003 R12: ffff88812c2d8dc0 R13: ffff88812c2d8dc0 R14: 0000000000000004 R15: ffffe8ffffc04830 FS: 0000000000000000(0000) GS:ffff8880ae800000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fb40b172000 CR3: 00000000858d8000 CR4: 00000000001406f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400