------------[ cut here ]------------ kernel BUG at mm/slab.c:2965! invalid opcode: 0000 [#1] PREEMPT SMP KASAN CPU: 1 PID: 15539 Comm: udevd Not tainted 5.1.0-rc2+ #115 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:ffff88806487fd18 EFLAGS: 00010086 RAX: 0000000000000001 RBX: ffffea000257e880 RCX: ffff88812c2b8638 RDX: ffff88812c2b8638 RSI: 0000000000000000 RDI: ffff88812c2b8600 RBP: ffff88806487fd80 R08: 1ffff110258570c0 R09: 0000000000000004 R10: ffffed10258570c0 R11: ffff88812c2b8603 R12: ffff88812c2d8dc0 R13: ffff88812c2d8dc0 R14: 0000000000000004 R15: ffffe8ffffd04830 FS: 00007fc22ff8d7a0(0000) GS:ffff8880ae900000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00000000022d1f68 CR3: 000000009692d000 CR4: 00000000001406e0 Call Trace: getname_flags fs/namei.c:138 [inline] getname_flags+0xd6/0x5b0 fs/namei.c:128 user_path_at_empty+0x2f/0x50 fs/namei.c:2606 do_readlinkat+0xe9/0x320 fs/stat.c:399 __do_sys_readlink fs/stat.c:432 [inline] __se_sys_readlink fs/stat.c:429 [inline] __x64_sys_readlink+0x78/0xb0 fs/stat.c:429 do_syscall_64+0x103/0x610 arch/x86/entry/common.c:290 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x7fc22f696577 Code: f0 ff ff 77 02 f3 c3 48 8b 15 bd 38 2b 00 f7 d8 64 89 02 83 c8 ff c3 90 90 90 90 90 90 90 90 90 90 90 90 b8 59 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d 91 38 2b 00 31 d2 48 29 c2 64 RSP: 002b:00007ffe6bcdd558 EFLAGS: 00000202 ORIG_RAX: 0000000000000059 RAX: ffffffffffffffda RBX: 00007ffe6bcddd90 RCX: 00007fc22f696577 RDX: 0000000000000400 RSI: 00007ffe6bcdd960 RDI: 00007ffe6bcdd560 RBP: 0000000000000200 R08: 000000000041c733 R09: 00007fc22f6eb5d0 R10: 7269762f73656369 R11: 0000000000000202 R12: 00000000022e4cc8 R13: 00000000022e4cbc R14: 00000000022ce250 R15: 00000000022d3e10 Modules linked in: ======================================================