do_madvise+0x333/0x660 mm/madvise.c:1450
 __do_sys_madvise mm/madvise.c:1463 [inline]
 __se_sys_madvise mm/madvise.c:1461 [inline]
 __x64_sys_madvise+0xaa/0x110 mm/madvise.c:1461
 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
------------[ cut here ]------------
kernel BUG at mm/page_alloc.c:1101!
invalid opcode: 0000 [#1] PREEMPT SMP KASAN
CPU: 1 PID: 18995 Comm: syz-executor.2 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:ffffc90005607728 EFLAGS: 00010246
RAX: 0000000000040000 RBX: 0000000000000009 RCX: ffffc9000adf3000
RDX: 0000000000040000 RSI: ffffffff81d1ae65 RDI: 0000000000000000
RBP: ffffea0000b00008 R08: 0000000000000000 R09: fffffbfff1d9c252
R10: ffffffff8ece1297 R11: 0000000000000000 R12: 000000000002c000
R13: 0000000000000009 R14: ffffea0000b00040 R15: ffffea0000b00000
FS:  00007fcc1a7686c0(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b31721000 CR3: 0000000026c6c000 CR4: 00000000003506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
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
 update_and_free_pages_bulk+0xd2/0x230 mm/hugetlb.c:1848
 return_unused_surplus_pages+0x232/0x300 mm/hugetlb.c:2643
 hugetlb_acct_memory.part.0+0x622/0xa90 mm/hugetlb.c:4801
 hugetlb_acct_memory mm/hugetlb.c:6861 [inline]
 hugetlb_unreserve_pages+0x21f/0x280 mm/hugetlb.c:6859
 remove_inode_hugepages+0xcc5/0xe20 fs/hugetlbfs/inode.c:696
 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
 resume_user_mode_work include/linux/resume_user_mode.h:49 [inline]
 exit_to_user_mode_loop kernel/entry/common.c:171 [inline]
 exit_to_user_mode_prepare+0x210/0x240 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
 do_syscall_64+0x44/0xb0 arch/x86/entry/common.c:86
 entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7fcc19a7cae9
Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 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 b0 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007fcc1a7680c8 EFLAGS: 00000246 ORIG_RAX: 000000000000001f
RAX: 0000000000000000 RBX: 00007fcc19b9bf80 RCX: 00007fcc19a7cae9
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 00007fcc19ac847a R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 000000000000000b R14: 00007fcc19b9bf80 R15: 00007ffd7a26a198
 </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:ffffc90005607728 EFLAGS: 00010246
RAX: 0000000000040000 RBX: 0000000000000009 RCX: ffffc9000adf3000
RDX: 0000000000040000 RSI: ffffffff81d1ae65 RDI: 0000000000000000
RBP: ffffea0000b00008 R08: 0000000000000000 R09: fffffbfff1d9c252
R10: ffffffff8ece1297 R11: 0000000000000000 R12: 000000000002c000
R13: 0000000000000009 R14: ffffea0000b00040 R15: ffffea0000b00000
FS:  00007fcc1a7686c0(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f1718598000 CR3: 0000000026c6c000 CR4: 00000000003506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400