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53 lines
1.6 KiB
Diff
53 lines
1.6 KiB
Diff
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From 6b8d9117ccb4f81b1244aafa7bc70ef8fa45fc49 Mon Sep 17 00:00:00 2001
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From: Sasha Levin <sasha.levin@oracle.com>
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Date: Fri, 23 Jan 2015 20:47:00 -0500
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Subject: [PATCH] net: llc: use correct size for sysctl timeout entries
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The timeout entries are sizeof(int) rather than sizeof(long), which
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means that when they were getting read we'd also leak kernel memory
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to userspace along with the timeout values.
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Signed-off-by: Sasha Levin <sasha.levin@oracle.com>
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Signed-off-by: David S. Miller <davem@davemloft.net>
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---
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net/llc/sysctl_net_llc.c | 8 ++++----
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1 file changed, 4 insertions(+), 4 deletions(-)
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diff --git a/net/llc/sysctl_net_llc.c b/net/llc/sysctl_net_llc.c
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index 612a5ddaf93b1..799bafc2af39e 100644
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--- a/net/llc/sysctl_net_llc.c
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+++ b/net/llc/sysctl_net_llc.c
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@@ -18,28 +18,28 @@ static struct ctl_table llc2_timeout_table[] = {
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{
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.procname = "ack",
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.data = &sysctl_llc2_ack_timeout,
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- .maxlen = sizeof(long),
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+ .maxlen = sizeof(sysctl_llc2_ack_timeout),
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.mode = 0644,
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.proc_handler = proc_dointvec_jiffies,
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},
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{
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.procname = "busy",
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.data = &sysctl_llc2_busy_timeout,
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- .maxlen = sizeof(long),
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+ .maxlen = sizeof(sysctl_llc2_busy_timeout),
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.mode = 0644,
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.proc_handler = proc_dointvec_jiffies,
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},
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{
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.procname = "p",
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.data = &sysctl_llc2_p_timeout,
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- .maxlen = sizeof(long),
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+ .maxlen = sizeof(sysctl_llc2_p_timeout),
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.mode = 0644,
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.proc_handler = proc_dointvec_jiffies,
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},
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{
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.procname = "rej",
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.data = &sysctl_llc2_rej_timeout,
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- .maxlen = sizeof(long),
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+ .maxlen = sizeof(sysctl_llc2_rej_timeout),
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.mode = 0644,
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.proc_handler = proc_dointvec_jiffies,
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},
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