dentry_kill fs/dcache.c:733 [inline]
 dput+0x8b7/0xf80 fs/dcache.c:913
 __fput+0x536/0xa70 fs/file_table.c:392
 task_work_run+0x14d/0x240 kernel/task_work.c:180
 exit_task_work include/linux/task_work.h:38 [inline]
 do_exit+0xa92/0x2ae0 kernel/exit.c:871
 do_group_exit+0xd4/0x2a0 kernel/exit.c:1021
------------[ cut here ]------------
WARNING: CPU: 1 PID: 22394 at mm/rmap.c:1252 page_add_anon_rmap+0xc33/0x1a70 mm/rmap.c:1252
Modules linked in:
CPU: 1 PID: 22394 Comm: syz-executor.3 Not tainted 6.6.0-rc2-next-20230918-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/04/2023
RIP: 0010:page_add_anon_rmap+0xc33/0x1a70 mm/rmap.c:1252
Code: 48 c1 eb 11 83 e3 01 89 de e8 99 aa b8 ff 84 db 0f 84 36 fb ff ff e8 5c af b8 ff 48 c7 c6 40 89 99 8a 4c 89 e7 e8 dd 02 f7 ff <0f> 0b e9 1b fb ff ff e8 41 af b8 ff 49 89 dd 31 ff 41 81 e5 ff 0f
RSP: 0018:ffffc9000333f8a8 EFLAGS: 00010246
RAX: 0000000000040000 RBX: 0000000000000001 RCX: ffffc90005699000
RDX: 0000000000040000 RSI: ffffffff81cf4673 RDI: ffffffff8ae94460
RBP: ffff888021dc5700 R08: 0000000000000000 R09: fffffbfff1d9d0aa
R10: ffffffff8ece8557 R11: 0000000000000001 R12: ffffea0002a00000
R13: 00fff000003a0078 R14: 0000000000000000 R15: dead000000000100
FS:  00007f6f987386c0(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f948f575198 CR3: 0000000027be1000 CR4: 00000000003506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 __split_huge_pmd_locked mm/huge_memory.c:2276 [inline]
 __split_huge_pmd+0x17d5/0x31e0 mm/huge_memory.c:2320
 split_huge_pmd_address mm/huge_memory.c:2336 [inline]
 split_huge_pmd_if_needed mm/huge_memory.c:2348 [inline]
 split_huge_pmd_if_needed mm/huge_memory.c:2339 [inline]
 vma_adjust_trans_huge+0x2da/0x560 mm/huge_memory.c:2360
 __split_vma+0xba3/0x1070 mm/mmap.c:2376
 split_vma+0xc8/0x110 mm/mmap.c:2412
 mprotect_fixup+0xa10/0xdf0 mm/mprotect.c:644
 do_mprotect_pkey+0x852/0xd60 mm/mprotect.c:819
 __do_sys_mprotect mm/mprotect.c:840 [inline]
 __se_sys_mprotect mm/mprotect.c:837 [inline]
 __x64_sys_mprotect+0x78/0xb0 mm/mprotect.c:837
 do_syscall_x64 arch/x86/entry/common.c:51 [inline]
 do_syscall_64+0x38/0xb0 arch/x86/entry/common.c:81
 entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7f6f97a7cae9
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:00007f6f987380c8 EFLAGS: 00000246 ORIG_RAX: 000000000000000a
RAX: ffffffffffffffda RBX: 00007f6f97b9bf80 RCX: 00007f6f97a7cae9
RDX: 0000000000000000 RSI: 0000000000004000 RDI: 0000000020174000
RBP: 00007f6f97ac847a R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 000000000000000b R14: 00007f6f97b9bf80 R15: 00007ffc6c34d138
 </TASK>