Commit 79ef1e1f authored Jun 07, 2020 by Christoph Hellwig Committed by Linus Torvalds Jun 08, 2020

binfmt_flat: use flush_icache_user_range



load_flat_file works on user addresses.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Acked-by: Greg Ungerer <gerg@linux-m68k.org>
Cc: Alexander Viro <viro@zeniv.linux.org.uk>
Link: http://lkml.kernel.org/r/20200515143646.3857579-28-hch@lst.de


Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

parent bce2b68b

fs/binfmt_flat.c

+1 −1

Original line number	Diff line number	Diff line
		@@ -854,7 +854,7 @@ static int load_flat_file(struct linux_binprm *bprm,
		#endif /* CONFIG_BINFMT_FLAT_OLD */
		}

		flush_icache_range(start_code, end_code);
		flush_icache_user_range(start_code, end_code);

		/* zero the BSS, BRK and stack areas */
		if (clear_user((void __user *)(datapos + data_len), bss_len +

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