Commit 6b47ab81 authored Nov 05, 2020 by Jens Axboe

io_uring: use correct pointer for io_uring_show_cred()



Previous commit changed how we index the registered credentials, but
neglected to update one spot that is used when the personalities are
iterated through ->show_fdinfo(). Ensure we use the right struct type
for the iteration.

Reported-by:  <syzbot+a6d494688cdb797bdfce@syzkaller.appspotmail.com>
Fixes: 1e6fa521 ("io_uring: COW io_identity on mismatch")
Signed-off-by: Jens Axboe <axboe@kernel.dk>

parent ef9865a4

fs/io_uring.c

+2 −1

Original line number	Diff line number	Diff line
		@@ -8974,7 +8974,8 @@ out_fput:
		#ifdef CONFIG_PROC_FS
		static int io_uring_show_cred(int id, void p, void data)
		{
		const struct cred *cred = p;
		struct io_identity *iod = p;
		const struct cred *cred = iod->creds;
		struct seq_file *m = data;
		struct user_namespace *uns = seq_user_ns(m);
		struct group_info *gi;

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