mirror of
https://gitlab.com/apparmor/apparmor.git
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32 lines
1,007 B
Diff
32 lines
1,007 B
Diff
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From 7fcfc22cd04261ac35a579c99bcc804db7eb3e83 Mon Sep 17 00:00:00 2001
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From: Heinrich Schuchardt <xypron.glpk@gmx.de>
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Date: Fri, 10 Jun 2016 23:34:26 +0200
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Subject: [PATCH 22/27] apparmor: do not expose kernel stack
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Do not copy uninitalized fields th.td_hilen, th.td_data.
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Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
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Signed-off-by: John Johansen <john.johansen@canonical.com>
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---
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security/apparmor/match.c | 4 +++-
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1 file changed, 3 insertions(+), 1 deletion(-)
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diff --git a/security/apparmor/match.c b/security/apparmor/match.c
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index 32b72eb..3f900fc 100644
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--- a/security/apparmor/match.c
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+++ b/security/apparmor/match.c
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@@ -63,7 +63,9 @@ static struct table_header *unpack_table(char *blob, size_t bsize)
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table = kvzalloc(tsize);
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if (table) {
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- *table = th;
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+ table->td_id = th.td_id;
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+ table->td_flags = th.td_flags;
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+ table->td_lolen = th.td_lolen;
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if (th.td_flags == YYTD_DATA8)
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UNPACK_ARRAY(table->td_data, blob, th.td_lolen,
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u8, byte_to_byte);
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--
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2.7.4
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