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kernel BUG at mm/slab.c:2961!
invalid opcode: 0000 [#1] PREEMPT SMP KASAN
CPU: 0 PID: 3870 Comm: udevd Not tainted 5.0.0-rc7+ #83
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
RIP: 0010:alloc_block mm/slab.c:2961 [inline]
RIP: 0010:cache_alloc_refill mm/slab.c:3020 [inline]
RIP: 0010:____cache_alloc mm/slab.c:3123 [inline]
RIP: 0010:____cache_alloc mm/slab.c:3106 [inline]
RIP: 0010:__do_cache_alloc mm/slab.c:3345 [inline]
RIP: 0010:slab_alloc mm/slab.c:3380 [inline]
RIP: 0010:kmem_cache_alloc+0x5fb/0x6f0 mm/slab.c:3548
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:ffff888098bcfd40 EFLAGS: 00010086
RAX: 0000000000000001 RBX: ffffea00015b5f80 RCX: ffffffff81a6c286
RDX: ffff88812c2b8838 RSI: 0000000000000004 RDI: ffff88812c2b8800
RBP: ffff888098bcfda8 R08: 1ffff11025857100 R09: ffffed1025857101
R10: ffffed1025857100 R11: ffff88812c2b8803 R12: ffff88812c291180
R13: ffff88812c291180 R14: 0000000000000004 R15: ffffe8ffffc04460
FS:  00007f79ddc377a0(0000) GS:ffff8880ae800000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f79dd5f4518 CR3: 0000000098ac8000 CR4: 00000000001406f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 getname_flags fs/namei.c:140 [inline]
 getname_flags+0xd6/0x5b0 fs/namei.c:129
 getname+0x1a/0x20 fs/namei.c:211
 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: 0033:0x7f79dd33f120
Code: 48 8b 15 1b 4d 2b 00 f7 d8 64 89 02 83 c8 ff c3 90 90 90 90 90 90 90 90 90 90 83 3d d5 a4 2b 00 00 75 10 b8 02 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 31 c3 48 83 ec 08 e8 5e 8c 01 00 48 89 04 24
RSP: 002b:00007ffffa455718 EFLAGS: 00000246 ORIG_RAX: 0000000000000002
RAX: ffffffffffffffda RBX: 00000000013de970 RCX: 00007f79dd33f120
RDX: 0000000000000000 RSI: 0000000000000001 RDI: 00007ffffa456390
RBP: 00000000013ca040 R08: 000000000041f4f1 R09: 00007f79dd3957d0
R10: 7269762f73656369 R11: 0000000000000246 R12: 0000000000000003
R13: 0000000000000000 R14: 00000000013de970 R15: 00000000013c5250
Modules linked in:
---[ end trace e39cbdb66faf5923 ]---
RIP: 0010:alloc_block mm/slab.c:2961 [inline]
RIP: 0010:cache_alloc_refill mm/slab.c:3020 [inline]
RIP: 0010:____cache_alloc mm/slab.c:3123 [inline]
RIP: 0010:____cache_alloc mm/slab.c:3106 [inline]
RIP: 0010:__do_cache_alloc mm/slab.c:3345 [inline]
RIP: 0010:slab_alloc mm/slab.c:3380 [inline]
RIP: 0010:kmem_cache_alloc+0x5fb/0x6f0 mm/slab.c:3548
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:ffff888098bcfd40 EFLAGS: 00010086
RAX: 0000000000000001 RBX: ffffea00015b5f80 RCX: ffffffff81a6c286
RDX: ffff88812c2b8838 RSI: 0000000000000004 RDI: ffff88812c2b8800
RBP: ffff888098bcfda8 R08: 1ffff11025857100 R09: ffffed1025857101
R10: ffffed1025857100 R11: ffff88812c2b8803 R12: ffff88812c291180
R13: ffff88812c291180 R14: 0000000000000004 R15: ffffe8ffffc04460
FS:  00007f79ddc377a0(0000) GS:ffff8880ae800000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f79dd5f4518 CR3: 0000000098ac8000 CR4: 00000000001406f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400