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binfmt_flat: use flush_icache_user_range

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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>
This commit is contained in:
Christoph Hellwig 2020-06-07 21:42:46 -07:00 committed by Linus Torvalds
parent bce2b68b89
commit 79ef1e1fff
1 changed files with 1 additions and 1 deletions
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2
fs/binfmt_flat.c
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@ -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 +