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init: open /initrd.image with O_LARGEFILE

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commit 4624b346cf 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>
This commit is contained in:
John Sperbeck 2024-03-17 15:15:22 -07:00 committed by Greg Kroah-Hartman
parent c612edbc5e
commit 3f0cda401d
1 changed files with 1 additions and 1 deletions
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2
init/initramfs.c
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@ -655,7 +655,7 @@ 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;