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WARNING: lock held when returning to user space!
syzkaller #0 Not tainted
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syz.0.17/5990 is leaving the kernel with locks still held!
1 lock held by syz.0.17/5990:
 #0: ffff8880218488e8 (&resv_map->rw_sema){+.+.}-{4:4}, at: hugetlb_vmdelete_list+0x67/0x230 fs/hugetlbfs/inode.c:490