Messages in this thread Patch in this message | | | From | Thomas Weißschuh <> | Subject | [PATCH] tmpfs: ensure O_LARGEFILE with generic_file_open() | Date | Wed, 28 Sep 2022 12:45:35 +0200 |
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From: Thomas Weißschuh <thomas.weissschuh@amadeus.com>
Without this check open() will open large files on tmpfs although O_LARGEFILE was not specified. This is inconsistent with other filesystems. Also it will later result in EOVERFLOW on stat() or EFBIG on write().
Link: https://lore.kernel.org/lkml/76bedae6-22ea-4abc-8c06-b424ceb39217@t-8ch.de/ Signed-off-by: Thomas Weißschuh <thomas.weissschuh@amadeus.com> --- mm/shmem.c | 1 + 1 file changed, 1 insertion(+)
diff --git a/mm/shmem.c b/mm/shmem.c index 42e5888bf84d..902c5550fabc 100644 --- a/mm/shmem.c +++ b/mm/shmem.c @@ -3876,6 +3876,7 @@ EXPORT_SYMBOL(shmem_aops); static const struct file_operations shmem_file_operations = { .mmap = shmem_mmap, + .open = generic_file_open, .get_unmapped_area = shmem_get_unmapped_area, #ifdef CONFIG_TMPFS .llseek = shmem_file_llseek, base-commit: f76349cf41451c5c42a99f18a9163377e4b364ff -- 2.37.3
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