------------[ cut here ]------------
kernel BUG at mm/hugetlb.c:3814!
invalid opcode: 0000 [#1] PREEMPT SMP KASAN
CPU: 1 PID: 8431 Comm: syz-executor.2 Not tainted 5.7.0-rc5-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
RIP: 0010:__unmap_hugepage_range+0x831/0xa00 mm/hugetlb.c:3814
Code: 90 05 e9 4b fb ff ff 0f 0b 31 d2 be d5 01 00 00 48 c7 c7 c0 34 94 87 e8 dd 59 ad ff e9 0a fe ff ff 0f 0b e9 b2 f9 ff ff 0f 0b <0f> 0b 0f 0b 0f 0b 4c 89 ff e8 51 09 03 00 e9 6f fb ff ff 48 89 df
RSP: 0018:ffffc90009cf7760 EFLAGS: 00010206
RAX: 00000000001fffff RBX: 0000000020000000 RCX: 0000000000000009
RDX: 1ffffffff171d415 RSI: ffff8880918ab318 RDI: ffffffff8b8ea0a8
RBP: ffffc90009cf78a8 R08: 0000000000000000 R09: ffffed1012d34b93
R10: ffff8880969a5c97 R11: ffffed1012d34b92 R12: 0000000020003000
R13: 0000000008440070 R14: ffffffff8b8ea098 R15: ffffffff8b8ea0a0
FS:  00007fcccfa5c700(0000) GS:ffff8880ae900000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000020000080 CR3: 00000000a1dbd000 CR4: 00000000001406e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 __unmap_hugepage_range_final+0x9/0x40 mm/hugetlb.c:3905
 unmap_single_vma+0x1b6/0x2d0 mm/memory.c:1308
 unmap_vmas+0x1b0/0x2b0 mm/memory.c:1344
 exit_mmap+0x24d/0x450 mm/mmap.c:3150
 __mmput kernel/fork.c:1085 [inline]
 mmput+0x11a/0x410 kernel/fork.c:1106
 exit_mm kernel/exit.c:480 [inline]
 do_exit+0x922/0x2a20 kernel/exit.c:783
 do_group_exit+0xeb/0x2d0 kernel/exit.c:894
 get_signal+0x36c/0x1d40 kernel/signal.c:2739
 do_signal+0x81/0x2360 arch/x86/kernel/signal.c:784
 exit_to_usermode_loop+0x10f/0x2d0 arch/x86/entry/common.c:161
 prepare_exit_to_usermode arch/x86/entry/common.c:196 [inline]
 syscall_return_slowpath arch/x86/entry/common.c:279 [inline]
 do_syscall_64+0x52a/0x620 arch/x86/entry/common.c:305
 entry_SYSCALL_64_after_hwframe+0x49/0xb3
RIP: 0033:0x45c889
Code: ad b6 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 b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00
RSP: 002b:00007fcccfa5bcf8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca
RAX: 0000000000000001 RBX: 000000000076bfa8 RCX: 000000000045c889
RDX: 00000000000f4240 RSI: 0000000000000081 RDI: 000000000076bfac
RBP: 000000000076bfa0 R08: 000000000000000e R09: 0000000000000000
R10: ffffffffffffffff R11: 0000000000000246 R12: 000000000076bfac
R13: 00007ffc9c38f79f R14: 00007fcccfa5c9c0 R15: 000000000076bfac
Modules linked in:
---[ end trace 6a4754141a1e1718 ]---
RIP: 0010:__unmap_hugepage_range+0x831/0xa00 mm/hugetlb.c:3814
Code: 90 05 e9 4b fb ff ff 0f 0b 31 d2 be d5 01 00 00 48 c7 c7 c0 34 94 87 e8 dd 59 ad ff e9 0a fe ff ff 0f 0b e9 b2 f9 ff ff 0f 0b <0f> 0b 0f 0b 0f 0b 4c 89 ff e8 51 09 03 00 e9 6f fb ff ff 48 89 df
RSP: 0018:ffffc90009cf7760 EFLAGS: 00010206
RAX: 00000000001fffff RBX: 0000000020000000 RCX: 0000000000000009
RDX: 1ffffffff171d415 RSI: ffff8880918ab318 RDI: ffffffff8b8ea0a8
RBP: ffffc90009cf78a8 R08: 0000000000000000 R09: ffffed1012d34b93
R10: ffff8880969a5c97 R11: ffffed1012d34b92 R12: 0000000020003000
R13: 0000000008440070 R14: ffffffff8b8ea098 R15: ffffffff8b8ea0a0
FS:  00007fcccfa5c700(0000) GS:ffff8880ae800000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f6e53422000 CR3: 00000000a1c4f000 CR4: 00000000001406f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400