------------[ cut here ]------------ kernel BUG at mm/slab.c:2965! invalid opcode: 0000 [#1] PREEMPT SMP KASAN CPU: 0 PID: 3561 Comm: syz-executor.4 Not tainted 5.0.0+ #98 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:ffff88806728fc90 EFLAGS: 00010082 RAX: 0000000000000007 RBX: ffffea000236ac80 RCX: ffff888095994938 RDX: ffff888095994938 RSI: 0000000000000000 RDI: ffff888095994900 RBP: ffff88806728fcf8 R08: 1ffff1100ce51f7f R09: 000000000000000c R10: ffffed100ce51f7f R11: 0000000000000003 R12: ffff8880aa3a8080 R13: ffff8880937b01c0 R14: 000000000000000c R15: ffffe8ffffc917f0 FS: 00007f3f891e1700(0000) GS:ffff8880ae800000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00000000004d6ee0 CR3: 0000000098a84000 CR4: 00000000001406f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: hugetlbfs_alloc_inode+0x84/0x1e0 fs/hugetlbfs/inode.c:1026 alloc_inode+0x66/0x190 fs/inode.c:210 new_inode_pseudo+0x19/0xf0 fs/inode.c:903 new_inode+0x1f/0x40 fs/inode.c:932 hugetlbfs_get_inode+0x40/0x460 fs/hugetlbfs/inode.c:764 hugetlb_file_setup+0x170/0x672 fs/hugetlbfs/inode.c:1388 ksys_mmap_pgoff+0x22b/0x630 mm/mmap.c:1599 __do_sys_mmap arch/x86/kernel/sys_x86_64.c:100 [inline] __se_sys_mmap arch/x86/kernel/sys_x86_64.c:91 [inline] __x64_sys_mmap+0xe9/0x1b0 arch/x86/kernel/sys_x86_64.c:91 do_syscall_64+0x103/0x610 arch/x86/entry/common.c:290 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x458079 Code: ad b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 7b b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 RSP: 002b:00007f3f891e0c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000009 RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 0000000000458079 RDX: 0000000000000004 RSI: 0000000000ff5000 RDI: 0000000020000000 RBP: 000000000073bf00 R08: ffffffffffffffff R09: 0000000000000000 R10: 000000000005c832 R11: 0000000000000246 R12: 00007f3f891e16d4 R13: 00000000004c3d28 R14: 00000000004d6ee0 R15: 00000000ffffffff Modules linked in: ======================================================