------------[ cut here ]------------
kernel BUG at include/linux/swapops.h:204!
invalid opcode: 0000 [#1] PREEMPT SMP KASAN
CPU: 1 PID: 21435 Comm: syz-executor.0 Not tainted 5.13.0-rc6-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:204 [inline]
RIP: 0010:migration_entry_to_page include/linux/swapops.h:197 [inline]
RIP: 0010:zap_huge_pmd+0xf7b/0x11b0 mm/huge_memory.c:1700
Code: ab 04 b8 ff 48 8b 5c 24 08 48 83 eb 01 e9 9b f5 ff ff e8 98 04 b8 ff 48 8b 5c 24 08 48 83 eb 01 e9 51 f6 ff ff e8 85 04 b8 ff <0f> 0b e8 7e 04 b8 ff 48 c7 c6 00 b8 77 89 4c 89 ef e8 1f 60 ea ff
RSP: 0018:ffffc9000c08f720 EFLAGS: 00010293
RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000
RDX: ffff88801d4d9c40 RSI: ffffffff81bcd76b RDI: 0000000000000003
RBP: ffffc9000c08fa48 R08: 0000000000000000 R09: 0000000000000000
R10: ffffffff81bccdf3 R11: 0000000000000000 R12: ffffea00023f0080
R13: ffff888078b30800 R14: ffffea00023f0088 R15: ffff88801822b0c0
FS:  0000000000000000(0000) GS:ffff8880b9d00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000499c30 CR3: 000000002b2b4000 CR4: 00000000001526e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 zap_pmd_range mm/memory.c:1361 [inline]
 zap_pud_range mm/memory.c:1414 [inline]
 zap_p4d_range mm/memory.c:1435 [inline]
 unmap_page_range+0x1ba3/0x2890 mm/memory.c:1456
 unmap_single_vma+0x198/0x300 mm/memory.c:1501
 unmap_vmas+0x16d/0x2f0 mm/memory.c:1533
 exit_mmap+0x2a8/0x590 mm/mmap.c:3208
 __mmput+0x122/0x470 kernel/fork.c:1096
 mmput+0x58/0x60 kernel/fork.c:1117
 exit_mm kernel/exit.c:502 [inline]
 do_exit+0xb0a/0x2a60 kernel/exit.c:813
 do_group_exit+0x125/0x310 kernel/exit.c:923
 get_signal+0x47f/0x2150 kernel/signal.c:2835
 arch_do_signal_or_restart+0x2a8/0x1eb0 arch/x86/kernel/signal.c:789
 handle_signal_work kernel/entry/common.c:148 [inline]
 exit_to_user_mode_loop kernel/entry/common.c:172 [inline]
 exit_to_user_mode_prepare+0x180/0x290 kernel/entry/common.c:209
 __syscall_exit_to_user_mode_work kernel/entry/common.c:291 [inline]
 syscall_exit_to_user_mode+0x19/0x60 kernel/entry/common.c:302
 do_syscall_64+0x47/0xb0 arch/x86/entry/common.c:57
 entry_SYSCALL_64_after_hwframe+0x44/0xae
RIP: 0033:0x4665d9
Code: Unable to access opcode bytes at RIP 0x4665af.
RSP: 002b:00007ff14e32e218 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca
RAX: fffffffffffffe00 RBX: 000000000056bf88 RCX: 00000000004665d9
RDX: 0000000000000000 RSI: 0000000000000080 RDI: 000000000056bf88
RBP: 000000000056bf80 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 000000000056bf8c
R13: 0000000000a9fb1f R14: 00007ff14e32e300 R15: 0000000000022000
Modules linked in:
---[ end trace 1c56a3cd5a16f3ab ]---
RIP: 0010:migration_entry_to_page include/linux/swapops.h:204 [inline]
RIP: 0010:migration_entry_to_page include/linux/swapops.h:197 [inline]
RIP: 0010:zap_huge_pmd+0xf7b/0x11b0 mm/huge_memory.c:1700
Code: ab 04 b8 ff 48 8b 5c 24 08 48 83 eb 01 e9 9b f5 ff ff e8 98 04 b8 ff 48 8b 5c 24 08 48 83 eb 01 e9 51 f6 ff ff e8 85 04 b8 ff <0f> 0b e8 7e 04 b8 ff 48 c7 c6 00 b8 77 89 4c 89 ef e8 1f 60 ea ff
RSP: 0018:ffffc9000c08f720 EFLAGS: 00010293
RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000
RDX: ffff88801d4d9c40 RSI: ffffffff81bcd76b RDI: 0000000000000003
RBP: ffffc9000c08fa48 R08: 0000000000000000 R09: 0000000000000000
R10: ffffffff81bccdf3 R11: 0000000000000000 R12: ffffea00023f0080
R13: ffff888078b30800 R14: ffffea00023f0088 R15: ffff88801822b0c0
FS:  0000000000000000(0000) GS:ffff8880b9d00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000499c30 CR3: 000000002b2b4000 CR4: 00000000001526e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400