From bce2b68b891af3dd02fdc1603786c1c28db8bfad Mon Sep 17 00:00:00 2001 From: Christoph Hellwig Date: Sun, 7 Jun 2020 21:42:43 -0700 Subject: [PATCH] exec: use flush_icache_user_range in read_code read_code operates on user addresses. Signed-off-by: Christoph Hellwig Signed-off-by: Andrew Morton Cc: Alexander Viro Link: http://lkml.kernel.org/r/20200515143646.3857579-27-hch@lst.de Signed-off-by: Linus Torvalds --- fs/exec.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/fs/exec.c b/fs/exec.c index 88260ec..02d0c5d 100644 --- a/fs/exec.c +++ b/fs/exec.c @@ -1059,7 +1059,7 @@ ssize_t read_code(struct file *file, unsigned long addr, loff_t pos, size_t len) { ssize_t res = vfs_read(file, (void __user *)addr, len, &pos); if (res > 0) - flush_icache_range(addr, addr + len); + flush_icache_user_range(addr, addr + len); return res; } EXPORT_SYMBOL(read_code); -- 2.7.4