forked from pool/mcelog
Dirk Mueller
2ce622fffe
- Update to version 175 (jsc#SLE-14450): * mcelog: Add a test case to test page error counter replacement. * mcelog: Use 'num-errors' to specify the number of mce records to be injected. * mcelog: Report how often the replacement of page CE counter happened * mcelog: Limit memory consumption for counting CEs per page * mcelog: Add support for Sapphirerapids server. (jsc#SLE-14450) * mcelog: i10nm: Fix mapping from bank number to functional unit - Only refreshing patches, due to tarball modifications: M Start-consolidating-AMD-specific-stuff.patch M add-f10h-support.patch M add-f11h-support.patch M add-f12h-support.patch M add-f14h-support.patch M add-f15h-support.patch M add-f16h-support.patch M email.patch M fix_setgroups_missing_call.patch M mcelog_invert_prefill_db_warning.patch OBS-URL: https://build.opensuse.org/request/show/867001 OBS-URL: https://build.opensuse.org/package/show/Base:System/mcelog?expand=0&rev=90
30 lines
838 B
Diff
30 lines
838 B
Diff
---
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mcelog.c | 9 +++++++++
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1 file changed, 9 insertions(+)
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--- a/mcelog.c
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+++ b/mcelog.c
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@@ -37,6 +37,7 @@
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#include <assert.h>
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#include <signal.h>
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#include <pwd.h>
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+#include <grp.h>
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#include <sys/wait.h>
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#include <fnmatch.h>
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#include "mcelog.h"
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@@ -1284,6 +1285,14 @@
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static void drop_cred(void)
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{
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+ /* When dropping privileges from root, the `setgroups` call will
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+ * remove any extraneous groups. If we don't call this, then
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+ * even though our uid has dropped, we may still have groups
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+ * that enable us to do super-user things. This will fail if we
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+ * aren't root, so don't bother checking the return value, this
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+ * is just done as an optimistic privilege dropping function.
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+ */
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+ setgroups(0, NULL);
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if (runcred.uid != -1U && runcred.gid == -1U) {
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struct passwd *pw = getpwuid(runcred.uid);
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if (pw)
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