From a618163cb3061ed832961aee872c27c38531e66b Mon Sep 17 00:00:00 2001
From: John Sperbeck <jsperbeck@google.com>
Date: Sun, 17 Mar 2024 15:15:22 -0700
Subject: [PATCH] init: open /initrd.image with O_LARGEFILE
commit 4624b346cf67400ef46a31771011fb798dd2f999 upstream.
If initrd data is larger than 2Gb, we'll eventually fail to write to the
/initrd.image file when we hit that limit, unless O_LARGEFILE is set.
Link: https://lkml.kernel.org/r/20240317221522.896040-1-jsperbeck@google.com
Signed-off-by: John Sperbeck <jsperbeck@google.com>
Cc: Jens Axboe <axboe@kernel.dk>
Cc: Nick Desaulniers <ndesaulniers@google.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: <stable@vger.kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
init/initramfs.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/init/initramfs.c b/init/initramfs.c
index 2f5bfb7d76521..7b915170789da 100644
--- a/init/initramfs.c
+++ b/init/initramfs.c
@@ -680,7 +680,7 @@ static void __init populate_initrd_image(char *err)
printk(KERN_INFO "rootfs image is not initramfs (%s); looks like an initrd\n",
err);
- file = filp_open("/initrd.image", O_WRONLY | O_CREAT, 0700);
+ file = filp_open("/initrd.image", O_WRONLY|O_CREAT|O_LARGEFILE, 0700);
if (IS_ERR(file))
return;
--
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