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2024-05-10 10ebd8556b7990499c896a550e3d416b444211e6

 kernel/fs/signalfd.c
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@@ -69,7 +69,7 @@
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  * Copied from copy_siginfo_to_user() in kernel/signal.c
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  */
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 static int signalfd_copyinfo(struct signalfd_siginfo __user *uinfo,
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-			     siginfo_t const *kinfo)
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+			     kernel_siginfo_t const *kinfo)
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 {
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 	struct signalfd_siginfo new;
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@@ -153,7 +153,7 @@
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 	return sizeof(*uinfo);
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 }
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-static ssize_t signalfd_dequeue(struct signalfd_ctx *ctx, siginfo_t *info,
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+static ssize_t signalfd_dequeue(struct signalfd_ctx *ctx, kernel_siginfo_t *info,
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 				int nonblock)
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 {
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 	ssize_t ret;
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@@ -166,6 +166,7 @@
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 		if (!nonblock)
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 			break;
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 		ret = -EAGAIN;
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+		fallthrough;
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 	default:
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 		spin_unlock_irq(&current->sighand->siglock);
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 		return ret;
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@@ -205,7 +206,7 @@
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 	struct signalfd_siginfo __user *siginfo;
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 	int nonblock = file->f_flags & O_NONBLOCK;
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 	ssize_t ret, total = 0;
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-	siginfo_t info;
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+	kernel_siginfo_t info;
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 	count /= sizeof(struct signalfd_siginfo);
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 	if (!count)