------------[ cut here ]------------ kernel BUG at mm/slab.c:2967! invalid opcode: 0000 [#1] PREEMPT SMP KASAN CPU: 0 PID: 643 Comm: syz-executor.4 Not tainted 5.1.0-rc4+ #170 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:alloc_block mm/slab.c:2967 [inline] RIP: 0010:cache_alloc_refill mm/slab.c:3026 [inline] RIP: 0010:____cache_alloc mm/slab.c:3129 [inline] RIP: 0010:____cache_alloc mm/slab.c:3112 [inline] RIP: 0010:__do_cache_alloc mm/slab.c:3351 [inline] RIP: 0010:slab_alloc mm/slab.c:3386 [inline] RIP: 0010:kmem_cache_alloc+0x5fb/0x6f0 mm/slab.c:3556 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:ffff88808e257d78 EFLAGS: 00010082 RAX: 0000000000000001 RBX: ffffea000157e500 RCX: ffff88812c2b8638 RDX: ffff88812c2b8638 RSI: 0000000000000000 RDI: ffff88812c2b8600 RBP: ffff88808e257de0 R08: 1ffff11011c4af9c R09: 0000000000000004 R10: ffffed1011c4af9c R11: 0000000000000003 R12: ffff88812c2d8dc0 R13: ffff88812c2d8dc0 R14: 0000000000000004 R15: ffffe8ffffc04830 FS: 0000000000eb0940(0000) GS:ffff8880ae800000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000000000046e250 CR3: 00000000a95de000 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 fs/namei.c:209 [inline] user_path_create fs/namei.c:3692 [inline] do_symlinkat+0xe1/0x290 fs/namei.c:4145 __do_sys_symlink fs/namei.c:4171 [inline] __se_sys_symlink fs/namei.c:4169 [inline] __x64_sys_symlink+0x59/0x80 fs/namei.c:4169 do_syscall_64+0x103/0x610 arch/x86/entry/common.c:290 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x458957 Code: 0f 1f 00 b8 5c 00 00 00 0f 05 48 3d 01 f0 ff ff 0f 83 6d bb fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 b8 58 00 00 00 0f 05 <48> 3d 01 f0 ff ff 0f 83 4d bb fb ff c3 66 2e 0f 1f 84 00 00 00 00 RSP: 002b:00007ffed05591c8 EFLAGS: 00000202 ORIG_RAX: 0000000000000058 RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000458957 RDX: 00007ffed0559263 RSI: 00000000004be441 RDI: 00007ffed0559250 RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000013 R10: 0000000000000075 R11: 0000000000000202 R12: 0000000000000001 R13: 00007ffed0559200 R14: 0000000000000000 R15: 00007ffed0559210 Modules linked in: ======================================================