ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:308
------------[ cut here ]------------
kernel BUG at mm/hugetlb.c:1865!
invalid opcode: 0000 [#1] PREEMPT SMP KASAN
CPU: 0 PID: 19289 Comm: syz-executor.0 Not tainted 6.2.0-rc4-next-20230120-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/12/2023
RIP: 0010:free_huge_page+0xa5b/0xe80 mm/hugetlb.c:1865
Code: 0f 0b e8 88 ab b7 ff 4c 89 e7 e8 00 3e f7 ff 89 c3 e9 a0 f9 ff ff e8 74 ab b7 ff 48 c7 c6 a0 6f 59 8a 4c 89 e7 e8 55 8b ef ff <0f> 0b e8 5e ab b7 ff 48 8d 7b 17 48 b8 00 00 00 00 00 fc ff df 4c
RSP: 0018:ffffc900098b7908 EFLAGS: 00010246
RAX: 0000000000040000 RBX: 0000000000000001 RCX: ffffc90003e62000
RDX: 0000000000040000 RSI: ffffffff81ca4e7b RDI: 0000000000000000
RBP: ffffffff91c42c78 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000001 R11: 1ffffffff21587a3 R12: ffffea0001fd0000
R13: ffffea0001fd0090 R14: 0000000000000000 R15: ffffea0001fd0034
FS:  00007fb79ba1b700(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007ff965f821b8 CR3: 0000000037aa0000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 __folio_put_large mm/swap.c:119 [inline]
 __folio_put+0x109/0x140 mm/swap.c:127
 folio_put include/linux/mm.h:1203 [inline]
 put_page+0x21b/0x280 include/linux/mm.h:1272
 hugetlb_fault+0x153e/0x23f0 mm/hugetlb.c:6130
 follow_hugetlb_page+0x6ab/0x1e40 mm/hugetlb.c:6524
 __get_user_pages+0x29b/0xfc0 mm/gup.c:1125
 populate_vma_page_range+0x241/0x320 mm/gup.c:1526
 __mm_populate+0x105/0x3b0 mm/gup.c:1640
 do_mlock+0x370/0x6d0 mm/mlock.c:608
 __do_sys_mlock mm/mlock.c:616 [inline]
 __se_sys_mlock mm/mlock.c:614 [inline]
 __x64_sys_mlock+0x59/0x80 mm/mlock.c:614
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x39/0xb0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7fb79ac8c0c9
Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 f1 19 00 00 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 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007fb79ba1b168 EFLAGS: 00000246 ORIG_RAX: 0000000000000095
RAX: ffffffffffffffda RBX: 00007fb79adabf80 RCX: 00007fb79ac8c0c9
RDX: 0000000000000000 RSI: 0000000000003000 RDI: 0000000020308000
RBP: 00007fb79ace7ae9 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffeea71105f R14: 00007fb79ba1b300 R15: 0000000000022000
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:free_huge_page+0xa5b/0xe80 mm/hugetlb.c:1865
Code: 0f 0b e8 88 ab b7 ff 4c 89 e7 e8 00 3e f7 ff 89 c3 e9 a0 f9 ff ff e8 74 ab b7 ff 48 c7 c6 a0 6f 59 8a 4c 89 e7 e8 55 8b ef ff <0f> 0b e8 5e ab b7 ff 48 8d 7b 17 48 b8 00 00 00 00 00 fc ff df 4c
RSP: 0018:ffffc900098b7908 EFLAGS: 00010246
RAX: 0000000000040000 RBX: 0000000000000001 RCX: ffffc90003e62000
RDX: 0000000000040000 RSI: ffffffff81ca4e7b RDI: 0000000000000000
RBP: ffffffff91c42c78 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000001 R11: 1ffffffff21587a3 R12: ffffea0001fd0000
R13: ffffea0001fd0090 R14: 0000000000000000 R15: ffffea0001fd0034
FS:  00007fb79ba1b700(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007ff965f821b8 CR3: 0000000037aa0000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400