------------[ cut here ]------------
kernel BUG at mm/khugepaged.c:1167!
invalid opcode: 0000 [#1] PREEMPT SMP KASAN
CPU: 1 PID: 29 Comm: khugepaged Not tainted 5.10.112-syzkaller-00287-gde64d941a71a #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
RIP: 0010:collapse_huge_page+0x1424/0x1430 mm/khugepaged.c:1167
Code: ff 84 db 75 0a e8 cc 45 c3 ff e9 8c f0 ff ff e8 c2 45 c3 ff e8 dc e8 56 ff e9 7d f0 ff ff e8 b3 45 c3 ff 0f 0b e8 ac 45 c3 ff <0f> 0b 66 2e 0f 1f 84 00 00 00 00 00 55 48 89 e5 41 57 41 56 41 55
RSP: 0018:ffffc900001ef8e0 EFLAGS: 00010293
RAX: ffffffff81a96b14 RBX: 0000000131ac2007 RCX: ffff8881067de2c0
RDX: 0000000000000000 RSI: 0000000131ac2007 RDI: 0000000000000000
RBP: ffffc900001efae8 R08: ffffffff81a967d6 R09: 0000000000000003
R10: fffff5200003df0d R11: 1ffff9200003df0c R12: 0000000000000000
R13: 1ffff1103ee6d9ed R14: ffffea000473b0a8 R15: ffffffff7fffffff
FS:  0000000000000000(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00000000201a7010 CR3: 0000000128533000 CR4: 00000000003506a0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 khugepaged_scan_pmd+0xacb/0xc20 mm/khugepaged.c:1380
 khugepaged_scan_mm_slot mm/khugepaged.c:2157 [inline]
 khugepaged_do_scan+0x6ef/0x1800 mm/khugepaged.c:2240
 khugepaged+0x105/0x790 mm/khugepaged.c:2285
 kthread+0x349/0x3d0 kernel/kthread.c:313
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:296
Modules linked in:
---[ end trace ba605d64e86ddb14 ]---
RIP: 0010:collapse_huge_page+0x1424/0x1430 mm/khugepaged.c:1167
Code: ff 84 db 75 0a e8 cc 45 c3 ff e9 8c f0 ff ff e8 c2 45 c3 ff e8 dc e8 56 ff e9 7d f0 ff ff e8 b3 45 c3 ff 0f 0b e8 ac 45 c3 ff <0f> 0b 66 2e 0f 1f 84 00 00 00 00 00 55 48 89 e5 41 57 41 56 41 55
RSP: 0018:ffffc900001ef8e0 EFLAGS: 00010293
RAX: ffffffff81a96b14 RBX: 0000000131ac2007 RCX: ffff8881067de2c0
RDX: 0000000000000000 RSI: 0000000131ac2007 RDI: 0000000000000000
RBP: ffffc900001efae8 R08: ffffffff81a967d6 R09: 0000000000000003
R10: fffff5200003df0d R11: 1ffff9200003df0c R12: 0000000000000000
R13: 1ffff1103ee6d9ed R14: ffffea000473b0a8 R15: ffffffff7fffffff
FS:  0000000000000000(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00000000201a7010 CR3: 0000000128533000 CR4: 00000000003506a0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400