28 lines
1.1 KiB
Diff
28 lines
1.1 KiB
Diff
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From 92258e99e639795f4119a86a1c44d5015b29ffdc Mon Sep 17 00:00:00 2001
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From: Ross Williams <ross@ross-williams.net>
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Date: Sat, 6 Jul 2019 04:27:00 +0000
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Subject: [PATCH 1/9] Specify correct MIB length
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Could have resulted in a buffer overflow if the
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FreeBSD kernel returned more bytes than expected.
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---
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freebsd/FreeBSDProcessList.c | 2 +-
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1 file changed, 1 insertion(+), 1 deletion(-)
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diff --git a/freebsd/FreeBSDProcessList.c b/freebsd/FreeBSDProcessList.c
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index 9fef324..26019b6 100644
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--- a/freebsd/FreeBSDProcessList.c
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+++ b/freebsd/FreeBSDProcessList.c
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@@ -121,7 +121,7 @@ ProcessList* ProcessList_new(UsersTable* usersTable, Hashtable* pidWhiteList, ui
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len = sizeof(fpl->memZfsArc);
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if (sysctlbyname("kstat.zfs.misc.arcstats.size", &fpl->memZfsArc, &len,
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NULL, 0) == 0 && fpl->memZfsArc != 0) {
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- sysctlnametomib("kstat.zfs.misc.arcstats.size", MIB_kstat_zfs_misc_arcstats_size, &len);
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+ len = 5; sysctlnametomib("kstat.zfs.misc.arcstats.size", MIB_kstat_zfs_misc_arcstats_size, &len);
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fpl->zfsArcEnabled = 1;
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} else {
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fpl->zfsArcEnabled = 0;
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--
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2.20.1
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