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(parent: d1b32bf) | patch
mm/mempolicy: fix get_nodes out of bound access
authorTianyu Li <tianyu.li@arm.com>
Wed, 1 Jun 2022 09:32:11 +0000 (17:32 +0800)
committerakpm <akpm@linux-foundation.org>
Mon, 4 Jul 2022 01:08:39 +0000 (18:08 -0700)
commit0b80dee51b5c4e53e8feea8fab394fe352bb9cfa
treec7c6c6574409f06dd8fc55becb3ca855dcfc4516tree | snapshot
parentd1b32bf9ebc87005f325e7be4bc1a6e30fc48fa0commit | diff
mm/mempolicy: fix get_nodes out of bound access

When user specified more nodes than supported, get_nodes will access nmask
array out of bounds.

Link: https://lkml.kernel.org/r/20220601093211.2970565-1-tianyu.li@arm.com
Fixes: 311072461517 ("mm: simplify compat numa syscalls")
Signed-off-by: Tianyu Li <tianyu.li@arm.com>
Cc: Arnd Bergmann <arnd@arndb.de>
Cc: Mark Rutland <mark.rutland@arm.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
mm/mempolicy.c diff | blob | history
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