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io_uring/fs: check unused sqe fields for unlinkat

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Zero check unused SQE fields addr3 and pad2 for unlinkat. They're
not needed now, but could be used sometime in the future.

Signed-off-by: Yi Xie <xieyi@kylinos.cn>
Reviewed-by: Gabriel Krisman Bertazi <krisman@suse.de>
Link: https://patch.msgid.link/20260714030306.64820-1-xieyi@kylinos.cn
Signed-off-by: Jens Axboe <axboe@kernel.dk>
This commit is contained in:
Yi Xie
2026-07-14 11:03:06 +08:00
committed by Jens Axboe
parent f1596ba3e6
commit cc609376e9
1 changed files with 2 additions and 1 deletions
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io_uring/fs.c
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@@ -110,7 +110,8 @@ int io_unlinkat_prep(struct io_kiocb *req, const struct io_uring_sqe *sqe)
const char __user *fname;
int err;
if (sqe->off || sqe->len || sqe->buf_index || sqe->splice_fd_in)
if (sqe->off || sqe->len || sqe->buf_index || sqe->splice_fd_in ||
sqe->addr3 || sqe->__pad2[0])
return -EINVAL;
if (unlikely(req->flags & REQ_F_FIXED_FILE))
return -EBADF;