------------[ cut here ]------------
kernel BUG at include/linux/swapops.h:197!
invalid opcode: 0000 [#1] PREEMPT SMP KASAN
CPU: 0 PID: 11621 Comm: syz-executor.0 Not tainted 5.12.0-next-20210507-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
RIP: 0010:migration_entry_to_page include/linux/swapops.h:197 [inline]
RIP: 0010:migration_entry_to_page include/linux/swapops.h:190 [inline]
RIP: 0010:pmd_migration_entry_wait+0x3f3/0x480 mm/migrate.c:337
Code: 39 e8 31 7a b9 ff 48 c7 c6 40 9d 77 89 4c 89 ef e8 c2 c1 eb ff 0f 0b e8 1b 7a b9 ff 49 8d 5f ff e9 66 fe ff ff e8 0d 7a b9 ff <0f> 0b e8 06 7a b9 ff 4d 8d 6e ff e9 af fe ff ff e8 f8 79 b9 ff 4c
RSP: 0000:ffffc900185ffcc8 EFLAGS: 00010293
RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000
RDX: ffff88802464b900 RSI: ffffffff81bb5c23 RDI: 0000000000000003
RBP: ffffea0002370080 R08: 0000000000000000 R09: 0000000000000000
R10: ffffffff81bb5b1f R11: 0000000000000000 R12: ffff88801cf3a900
R13: ffffea0002370000 R14: ffffc9000177fe70 R15: ffffc9000177fe70
FS:  0000000002d75400(0000) GS:ffff8880b9c00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000020000100 CR3: 0000000038055000 CR4: 00000000001506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 __handle_mm_fault+0x1aec/0x5150 mm/memory.c:4484
 handle_mm_fault+0x1bc/0x7e0 mm/memory.c:4600
 do_user_addr_fault+0x483/0x1210 arch/x86/mm/fault.c:1390
 handle_page_fault arch/x86/mm/fault.c:1475 [inline]
 exc_page_fault+0x9e/0x180 arch/x86/mm/fault.c:1531
 asm_exc_page_fault+0x1e/0x30 arch/x86/include/asm/idtentry.h:577
RIP: 0033:0x407c0a
Code: 30 48 8b 34 24 48 85 f6 74 17 8b 44 24 18 0f c8 89 c0 48 89 44 24 18 48 83 fe 01 0f 85 a1 01 00 00 48 8b 44 24 10 8b 74 24 18 <89> 30 e9 d2 fc ff ff 48 8b 44 24 10 8b 10 48 8b 04 24 48 85 c0 0f
RSP: 002b:00007ffd18c92a20 EFLAGS: 00010246
RAX: 0000000020000100 RBX: 0000000000970000 RCX: 0000000000000000
RDX: 7c546fd41f1a4cde RSI: 0000000000000001 RDI: 0000000002d752f0
RBP: 00007ffd18c92b18 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000004 R11: 00000000000436ee R12: 0000000000155933
R13: 00000000000003e8 R14: 000000000056bf60 R15: 00000000001558c5
Modules linked in:
---[ end trace 3bc80622dd7a3dd5 ]---
RIP: 0010:migration_entry_to_page include/linux/swapops.h:197 [inline]
RIP: 0010:migration_entry_to_page include/linux/swapops.h:190 [inline]
RIP: 0010:pmd_migration_entry_wait+0x3f3/0x480 mm/migrate.c:337
Code: 39 e8 31 7a b9 ff 48 c7 c6 40 9d 77 89 4c 89 ef e8 c2 c1 eb ff 0f 0b e8 1b 7a b9 ff 49 8d 5f ff e9 66 fe ff ff e8 0d 7a b9 ff <0f> 0b e8 06 7a b9 ff 4d 8d 6e ff e9 af fe ff ff e8 f8 79 b9 ff 4c
RSP: 0000:ffffc900185ffcc8 EFLAGS: 00010293
RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000
RDX: ffff88802464b900 RSI: ffffffff81bb5c23 RDI: 0000000000000003
RBP: ffffea0002370080 R08: 0000000000000000 R09: 0000000000000000
R10: ffffffff81bb5b1f R11: 0000000000000000 R12: ffff88801cf3a900
R13: ffffea0002370000 R14: ffffc9000177fe70 R15: ffffc9000177fe70
FS:  0000000002d75400(0000) GS:ffff8880b9c00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000020000100 CR3: 0000000038055000 CR4: 00000000001506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400