unmap_vmas+0x1e8/0x330 mm/memory.c:1731
 exit_mmap+0x1ad/0xa60 mm/mmap.c:3210
 __mmput+0x12a/0x4d0 kernel/fork.c:1356
 mmput+0x62/0x70 kernel/fork.c:1378
 exit_mm kernel/exit.c:567 [inline]
 do_exit+0x9b4/0x2a20 kernel/exit.c:861
 do_group_exit+0xd4/0x2a0 kernel/exit.c:1024
 get_signal+0x23d1/0x27b0 kernel/signal.c:2892
 arch_do_signal_or_restart+0x90/0x7f0 arch/x86/kernel/signal.c:309
 exit_to_user_mode_loop kernel/entry/common.c:168 [inline]
 exit_to_user_mode_prepare+0x11f/0x240 kernel/entry/common.c:204
 __syscall_exit_to_user_mode_work kernel/entry/common.c:285 [inline]
 syscall_exit_to_user_mode+0x1d/0x60 kernel/entry/common.c:296
------------[ cut here ]------------
kernel BUG at mm/page_alloc.c:1101!
invalid opcode: 0000 [#1] PREEMPT SMP KASAN
CPU: 0 PID: 22994 Comm: syz-executor.4 Not tainted 6.5.0-rc7-next-20230825-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/26/2023
RIP: 0010:free_pages_prepare mm/page_alloc.c:1101 [inline]
RIP: 0010:free_unref_page_prepare+0x885/0xa40 mm/page_alloc.c:2342
Code: 48 89 d7 e8 2d 32 f4 ff 0f 0b c7 44 24 08 00 00 00 00 4d 8d 77 40 e9 79 fd ff ff 48 c7 c6 c0 be 99 8a 4c 89 ff e8 0b 32 f4 ff <0f> 0b 48 89 ef e8 61 de 0b 00 e9 aa f7 ff ff 4c 89 f7 e8 54 de 0b
RSP: 0018:ffffc9000318f6c0 EFLAGS: 00010293
RAX: 0000000000000000 RBX: 0000000000000009 RCX: 0000000000000000
RDX: ffff88803ddf0000 RSI: ffffffff81d1ae65 RDI: 0000000000000000
RBP: ffffea00022f8008 R08: 0000000000000000 R09: fffffbfff1d9c252
R10: ffffffff8ece1297 R11: 0000000000000800 R12: 000000000008be00
R13: 0000000000000009 R14: ffffea00022f8040 R15: ffffea00022f8000
FS:  0000000000000000(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f0322f75198 CR3: 000000003465e000 CR4: 00000000003506f0
Call Trace:
 <TASK>
 free_unref_page+0x33/0x3b0 mm/page_alloc.c:2435
 __update_and_free_hugetlb_folio+0x3c1/0x4a0 mm/hugetlb.c:1770
 update_and_free_hugetlb_folio+0x82/0x120 mm/hugetlb.c:1826
 free_huge_folio+0x6e0/0xbb0 mm/hugetlb.c:1922
 release_pages+0x51b/0x14e0 mm/swap.c:1008
 __folio_batch_release+0x77/0xe0 mm/swap.c:1062
 folio_batch_release include/linux/pagevec.h:83 [inline]
 remove_inode_hugepages+0xb7b/0xe20 fs/hugetlbfs/inode.c:691
 hugetlbfs_evict_inode+0x22/0x70 fs/hugetlbfs/inode.c:703
 evict+0x2ed/0x6b0 fs/inode.c:664
 iput_final fs/inode.c:1775 [inline]
 iput.part.0+0x55e/0x7a0 fs/inode.c:1801
 iput+0x5c/0x80 fs/inode.c:1791
 dentry_unlink_inode+0x292/0x430 fs/dcache.c:401
 __dentry_kill+0x3b8/0x640 fs/dcache.c:607
 dentry_kill fs/dcache.c:733 [inline]
 dput+0x8dd/0xfd0 fs/dcache.c:913
 __fput+0x536/0xa70 fs/file_table.c:392
 task_work_run+0x14d/0x240 kernel/task_work.c:179
 exit_task_work include/linux/task_work.h:38 [inline]
 do_exit+0xa99/0x2a20 kernel/exit.c:874
 do_group_exit+0xd4/0x2a0 kernel/exit.c:1024
 __do_sys_exit_group kernel/exit.c:1035 [inline]
 __se_sys_exit_group kernel/exit.c:1033 [inline]
 __x64_sys_exit_group+0x3e/0x50 kernel/exit.c:1033
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x38/0xb0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7fbc8fc7cae9
Code: Unable to access opcode bytes at 0x7fbc8fc7cabf.
RSP: 002b:00007ffe5e099a28 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
RAX: ffffffffffffffda RBX: 000000000000001e RCX: 00007fbc8fc7cae9
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 0000000000000001 R08: 0000000000000205 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:free_pages_prepare mm/page_alloc.c:1101 [inline]
RIP: 0010:free_unref_page_prepare+0x885/0xa40 mm/page_alloc.c:2342
Code: 48 89 d7 e8 2d 32 f4 ff 0f 0b c7 44 24 08 00 00 00 00 4d 8d 77 40 e9 79 fd ff ff 48 c7 c6 c0 be 99 8a 4c 89 ff e8 0b 32 f4 ff <0f> 0b 48 89 ef e8 61 de 0b 00 e9 aa f7 ff ff 4c 89 f7 e8 54 de 0b
RSP: 0018:ffffc9000318f6c0 EFLAGS: 00010293
RAX: 0000000000000000 RBX: 0000000000000009 RCX: 0000000000000000
RDX: ffff88803ddf0000 RSI: ffffffff81d1ae65 RDI: 0000000000000000
RBP: ffffea00022f8008 R08: 0000000000000000 R09: fffffbfff1d9c252
R10: ffffffff8ece1297 R11: 0000000000000800 R12: 000000000008be00
R13: 0000000000000009 R14: ffffea00022f8040 R15: ffffea00022f8000
FS:  0000000000000000(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f0322f75198 CR3: 000000003465e000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400