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Commit 7b95930a authored by importbot's avatar importbot
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import pcp-6.2.2-7.el9_5

parent 877c48e2
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.pcp.checksum
+ 1
− 1
View file @ 7b95930a
e2ac6a8b10456194bd99d42149f9cf9601114a0e54b4c61f665e8b9512b699a5
62987817df69751e4d29abf5aafa8344fbc66c6db5cdd9efd97309391a3d74d7
SOURCES/redhat-issues-RHEL-34586-pmproxy-pmcd-fd-leak.patch 0 → 100644
+ 113
− 0
View file @ 7b95930a
diff -Naurp pcp-6.2.2.orig/src/libpcp_web/src/load.h pcp-6.2.2/src/libpcp_web/src/load.h
--- pcp-6.2.2.orig/src/libpcp_web/src/load.h 2023-11-16 17:51:39.000000000 +1100
+++ pcp-6.2.2/src/libpcp_web/src/load.h 2024-09-17 11:52:31.069054216 +1000
@@ -42,8 +42,9 @@ typedef struct context {
unsigned int setup : 1; /* context established */
unsigned int cached : 1; /* context/source in cache */
unsigned int garbage : 1; /* context pending removal */
+ unsigned int inactive: 1; /* context removal deferred */
unsigned int updated : 1; /* context labels are updated */
- unsigned int padding : 4; /* zero-filled struct padding */
+ unsigned int padding : 3; /* zero-filled struct padding */
unsigned int refcount : 16; /* currently-referenced counter */
unsigned int timeout; /* context timeout in milliseconds */
uv_timer_t timer;
diff -Naurp pcp-6.2.2.orig/src/libpcp_web/src/webgroup.c pcp-6.2.2/src/libpcp_web/src/webgroup.c
--- pcp-6.2.2.orig/src/libpcp_web/src/webgroup.c 2024-05-07 10:37:04.000000000 +1000
+++ pcp-6.2.2/src/libpcp_web/src/webgroup.c 2024-09-17 11:52:31.070054217 +1000
@@ -134,9 +134,18 @@ webgroup_timeout_context(uv_timer_t *arg
* is returned to zero by the caller, or background cleanup
* finds this context and cleans it.
*/
- if (cp->refcount == 0 && cp->garbage == 0) {
- cp->garbage = 1;
- uv_timer_stop(&cp->timer);
+ if (cp->refcount == 0) {
+ if (cp->garbage == 0) {
+ cp->garbage = 1;
+ uv_timer_stop(&cp->timer);
+ }
+ } else {
+ /*
+ * Context timed out but still referenced, must wait
+ * until the caller releases its reference (shortly)
+ * before beginning garbage collection process.
+ */
+ cp->inactive = 1;
}
}
@@ -298,20 +307,28 @@ webgroup_garbage_collect(struct webgroup
dictIterator *iterator;
dictEntry *entry;
context_t *cp;
- unsigned int count = 0, drops = 0;
+ unsigned int count = 0, drops = 0, garbageset = 0, inactiveset = 0;
if (pmDebugOptions.http || pmDebugOptions.libweb)
- fprintf(stderr, "%s: started\n", "webgroup_garbage_collect");
+ fprintf(stderr, "%s: started for groups %p\n",
+ "webgroup_garbage_collect", groups);
/* do context GC if we get the lock (else don't block here) */
if (uv_mutex_trylock(&groups->mutex) == 0) {
iterator = dictGetSafeIterator(groups->contexts);
for (entry = dictNext(iterator); entry;) {
cp = (context_t *)dictGetVal(entry);
+ if (cp->privdata != groups)
+ continue;
entry = dictNext(iterator);
- if (cp->garbage && cp->privdata == groups) {
+ if (cp->garbage)
+ garbageset++;
+ if (cp->inactive && cp->refcount == 0)
+ inactiveset++;
+ if (cp->garbage || (cp->inactive && cp->refcount == 0)) {
if (pmDebugOptions.http || pmDebugOptions.libweb)
- fprintf(stderr, "GC context %u (%p)\n", cp->randomid, cp);
+ fprintf(stderr, "GC dropping context %u (%p)\n",
+ cp->randomid, cp);
uv_mutex_unlock(&groups->mutex);
webgroup_drop_context(cp, groups);
uv_mutex_lock(&groups->mutex);
@@ -324,7 +341,8 @@ webgroup_garbage_collect(struct webgroup
/* if dropping the last remaining context, do cleanup */
if (groups->active && drops == count) {
if (pmDebugOptions.http || pmDebugOptions.libweb)
- fprintf(stderr, "%s: freezing\n", "webgroup_garbage_collect");
+ fprintf(stderr, "%s: freezing groups %p\n",
+ "webgroup_garbage_collect", groups);
webgroup_timers_stop(groups);
}
uv_mutex_unlock(&groups->mutex);
@@ -334,8 +352,10 @@ webgroup_garbage_collect(struct webgroup
mmv_set(groups->map, groups->metrics[WEBGROUP_GC_COUNT], &count);
if (pmDebugOptions.http || pmDebugOptions.libweb)
- fprintf(stderr, "%s: finished [%u drops from %u entries]\n",
- "webgroup_garbage_collect", drops, count);
+ fprintf(stderr, "%s: finished [%u drops from %u entries,"
+ " %u garbageset, %u inactiveset]\n",
+ "webgroup_garbage_collect", drops, count,
+ garbageset, inactiveset);
}
static void
@@ -354,7 +374,7 @@ webgroup_use_context(struct context *cp,
int sts;
struct webgroups *gp = (struct webgroups *)cp->privdata;
- if (cp->garbage == 0) {
+ if (cp->garbage == 0 && cp->inactive == 0) {
if (cp->setup == 0) {
if ((sts = pmReconnectContext(cp->context)) < 0) {
infofmt(*message, "cannot reconnect context: %s",
@@ -424,7 +444,7 @@ webgroup_lookup_context(pmWebGroupSettin
*status = -ENOTCONN;
return NULL;
}
- if (cp->garbage == 0) {
+ if (cp->garbage == 0 && cp->inactive == 0) {
access.username = cp->username;
access.password = cp->password;
access.realm = cp->realm;
SOURCES/redhat-issues-RHEL-57788-pmdahacluster-update.patch 0 → 100644
+ 1349
− 0
View file @ 7b95930a
This diff is collapsed.
SOURCES/redhat-issues-RHEL-57796-pmcd-pmstore-corruption.patch 0 → 100644
+ 419
− 0
View file @ 7b95930a
diff -Naurp pcp-6.2.2.orig/qa/1518 pcp-6.2.2/qa/1518
--- pcp-6.2.2.orig/qa/1518 1970-01-01 10:00:00.000000000 +1000
+++ pcp-6.2.2/qa/1518 2024-09-17 11:44:35.863224454 +1000
@@ -0,0 +1,75 @@
+#!/bin/sh
+# PCP QA Test No. 1518
+# SUSE Issue A)
+# __pmDecodeValueSet() Miscalculates Available Buffer Space
+# Leading to a Possible Heap Corruption
+#
+# Copyright (c) 2024 Ken McDonell. All Rights Reserved.
+# Copyright (c) 2024 Matthias Gerstner. All Rights Reserved.
+#
+
+if [ $# -eq 0 ]
+then
+ seq=`basename $0`
+ echo "QA output created by $seq"
+else
+ # use $seq from caller, unless not set
+ [ -n "$seq" ] || seq=`basename $0`
+ echo "QA output created by `basename $0` $*"
+fi
+
+# get standard environment, filters and checks
+. ./common.product
+. ./common.filter
+. ./common.check
+
+$sudo rm -rf $tmp $tmp.* $seq.full
+
+which nc >/dev/null 2>&1 || _notrun "no nc executable installed"
+_check_valgrind
+
+_cleanup()
+{
+ cat pmcd.log >>$here/$seq.full
+ cd $here
+ $sudo rm -rf $tmp $tmp.*
+}
+
+status=0 # success is the default!
+trap "_cleanup; exit \$status" 0 1 2 3 15
+
+_filter()
+{
+ sed \
+ -e '/^Command: /d' \
+ # end
+}
+
+mkdir $tmp || exit 1
+cd $tmp
+grep sampledso $PCP_PMCDCONF_PATH >pmcd.conf
+cat pmcd.conf >>$here/$seq.full
+port=`_find_free_port`
+echo "port=$port" >>$here/$seq.full
+
+# real QA test starts here
+valgrind $PCP_BINADM_DIR/pmcd -f -Dpdu -c ./pmcd.conf -s ./pmcd.socket -p $port >out 2>err &
+valgrind_pid=$!
+sleep 2
+pmcd_pid=`$PCP_PS_PROG $PCP_PS_ALL_FLAGS | grep '[p]mcd -f -Dpdu' | $PCP_AWK_PROG '{ print $2 }'`
+echo "pmcd_pid=$pmcd_pid" >>$here/$seq.full
+nc -N -U ./pmcd.socket <$here/binary/decode-value-set-out-of-bound-write 2>&1 \
+| od -c >>$here/$seq.full
+sleep 2
+kill -TERM $pmcd_pid
+wait
+
+echo "expect error to be logged ..."
+grep __pmDecodeValueSet pmcd.log
+
+echo
+echo "and no valgrind badness ..."
+cat out err | _filter_valgrind | _filter
+
+# success, all done
+exit
diff -Naurp pcp-6.2.2.orig/qa/1518.out pcp-6.2.2/qa/1518.out
--- pcp-6.2.2.orig/qa/1518.out 1970-01-01 10:00:00.000000000 +1000
+++ pcp-6.2.2/qa/1518.out 2024-09-17 11:44:35.863224454 +1000
@@ -0,0 +1,11 @@
+QA output created by 1518
+expect error to be logged ...
+__pmDecodeValueSet: PM_ERR_IPC: pmid[0] value[0] vindex=1020 (max=255)
+
+and no valgrind badness ...
+Memcheck, a memory error detector
+LEAK SUMMARY:
+definitely lost: 0 bytes in 0 blocks
+indirectly lost: 0 bytes in 0 blocks
+Rerun with --leak-check=full to see details of leaked memory
+ERROR SUMMARY: 0 errors from 0 contexts ...
diff -Naurp pcp-6.2.2.orig/qa/group pcp-6.2.2/qa/group
--- pcp-6.2.2.orig/qa/group 2024-05-12 09:37:46.000000000 +1000
+++ pcp-6.2.2/qa/group 2024-09-17 11:45:06.241277497 +1000
@@ -1984,7 +1984,7 @@ x11
1515 pmda.denki local valgrind
1516:reserved kenj
1517:reserved kenj
-1518:reserved kenj
+1518 pmcd libpcp local
1519:reserved kenj
1530 pmda.zfs local valgrind
1531 pmda.zfs local valgrind
diff -Naurp pcp-6.2.2.orig/src/libpcp/src/endian.c pcp-6.2.2/src/libpcp/src/endian.c
--- pcp-6.2.2.orig/src/libpcp/src/endian.c 2023-11-16 17:51:39.000000000 +1100
+++ pcp-6.2.2/src/libpcp/src/endian.c 2024-09-17 11:44:35.864224455 +1000
@@ -275,13 +275,17 @@ ntohEventArray(pmValueBlock * const vb,
}
void
-__ntohpmValueBlock(pmValueBlock * const vb)
+__ntohpmValueBlock_hdr(pmValueBlock * const vb)
{
unsigned int *ip = (unsigned int *)vb;
/* Swab the first word, which contain vtype and vlen */
*ip = ntohl(*ip);
+}
+void
+__ntohpmValueBlock_buf(pmValueBlock * const vb)
+{
switch (vb->vtype) {
case PM_TYPE_U64:
case PM_TYPE_64:
@@ -305,6 +309,13 @@ __ntohpmValueBlock(pmValueBlock * const
break;
}
}
+
+void
+__ntohpmValueBlock(pmValueBlock * const vb)
+{
+ __ntohpmValueBlock_hdr(vb);
+ __ntohpmValueBlock_buf(vb);
+}
#endif
#ifndef __htonpmPDUInfo
diff -Naurp pcp-6.2.2.orig/src/libpcp/src/internal.h pcp-6.2.2/src/libpcp/src/internal.h
--- pcp-6.2.2.orig/src/libpcp/src/internal.h 2024-05-07 10:37:04.000000000 +1000
+++ pcp-6.2.2/src/libpcp/src/internal.h 2024-09-17 11:44:35.865224457 +1000
@@ -60,6 +60,8 @@ extern int __pmGetDate(struct timespec *
#define __ntohpmLabel(a) /* noop */
#define __htonpmValueBlock(a) /* noop */
#define __ntohpmValueBlock(a) /* noop */
+#define __ntohpmValueBlock_hdr(a) /* noop */
+#define __ntohpmValueBlock_buf(a) /* noop */
#define __htonf(a) /* noop */
#define __ntohf(a) /* noop */
#define __htond(a) /* noop */
@@ -90,6 +92,8 @@ extern void __htonpmLabel(pmLabel * cons
extern void __ntohpmLabel(pmLabel * const) _PCP_HIDDEN;
extern void __htonpmValueBlock(pmValueBlock * const) _PCP_HIDDEN;
extern void __ntohpmValueBlock(pmValueBlock * const) _PCP_HIDDEN;
+extern void __ntohpmValueBlock_hdr(pmValueBlock * const) _PCP_HIDDEN;
+extern void __ntohpmValueBlock_buf(pmValueBlock * const) _PCP_HIDDEN;
extern void __htonf(char *) _PCP_HIDDEN; /* float */
#define __ntohf(v) __htonf(v)
#define __htond(v) __htonll(v) /* double */
diff -Naurp pcp-6.2.2.orig/src/libpcp/src/p_result.c pcp-6.2.2/src/libpcp/src/p_result.c
--- pcp-6.2.2.orig/src/libpcp/src/p_result.c 2023-11-16 17:51:39.000000000 +1100
+++ pcp-6.2.2/src/libpcp/src/p_result.c 2024-09-17 11:44:35.866224459 +1000
@@ -323,6 +323,135 @@ __pmSendHighResResult(int fd, int from,
return __pmSendHighResResult_ctx(NULL, fd, from, result);
}
+/* Check that a network encoded event array is within a given buffer size */
+int
+__pmEventArrayCheck(pmValueBlock * const vb, int highres, int pmid, int value, size_t check)
+{
+ char *base;
+ int r; /* records */
+ int p; /* parameters in a record ... */
+ int nrecords;
+ int nparams;
+
+ if (highres) {
+ pmHighResEventArray *hreap = (pmHighResEventArray *)vb;
+ base = (char *)&hreap->ea_record[0];
+ if (base > (char *)vb + check) {
+ if (pmDebugOptions.pdu)
+ fprintf(stderr, "__pmEventArrayCheck #1: PM_ERR_IPC: pmid[%d] value[%d] highres event records past end of PDU buffer\n",
+ pmid, value);
+ return PM_ERR_IPC;
+ }
+ nrecords = ntohl(hreap->ea_nrecords);
+ }
+ else {
+ pmEventArray *eap = (pmEventArray *)vb;
+ base = (char *)&eap->ea_record[0];
+ if (base > (char *)vb + check) {
+ if (pmDebugOptions.pdu)
+ fprintf(stderr, "__pmEventArrayCheck #2: PM_ERR_IPC: pmid[%d] value[%d] event records past end of PDU buffer\n",
+ pmid, value);
+ return PM_ERR_IPC;
+ }
+ nrecords = ntohl(eap->ea_nrecords);
+ }
+
+ /* walk packed event record array */
+ for (r = 0; r < nrecords; r++) {
+ unsigned int flags, type;
+ size_t size, remaining;
+
+ remaining = check - (base - (char *)vb);
+ if (highres) {
+ pmHighResEventRecord *hrerp = (pmHighResEventRecord *)base;
+ size = sizeof(hrerp->er_timestamp) + sizeof(hrerp->er_flags) +
+ sizeof(hrerp->er_nparams);
+ if (size > remaining) {
+ if (pmDebugOptions.pdu)
+ fprintf(stderr, "__pmEventArrayCheck #3: PM_ERR_IPC: pmid[%d] value[%d] record[%d] highres event record past end of PDU buffer\n",
+ pmid, value, r);
+ return PM_ERR_IPC;
+ }
+ nparams = ntohl(hrerp->er_nparams);
+ flags = ntohl(hrerp->er_flags);
+ }
+ else {
+ pmEventRecord *erp = (pmEventRecord *)base;
+ size = sizeof(erp->er_timestamp) + sizeof(erp->er_flags) +
+ sizeof(erp->er_nparams);
+ if (size > remaining) {
+ if (pmDebugOptions.pdu)
+ fprintf(stderr, "__pmEventArrayCheck #4: PM_ERR_IPC: pmid[%d] value[%d] record[%d] event record past end of PDU buffer\n",
+ pmid, value, r);
+ return PM_ERR_IPC;
+ }
+ nparams = ntohl(erp->er_nparams);
+ flags = ntohl(erp->er_flags);
+ }
+
+ if (flags & PM_EVENT_FLAG_MISSED)
+ nparams = 0;
+
+ base += size;
+ remaining = check - (base - (char *)vb);
+
+ for (p = 0; p < nparams; p++) {
+ __uint32_t *tp; /* points to int holding vtype/vlen */
+ pmEventParameter *epp = (pmEventParameter *)base;
+
+ if (sizeof(pmEventParameter) > remaining) {
+ if (pmDebugOptions.pdu)
+ fprintf(stderr, "__pmEventArrayCheck #5: PM_ERR_IPC: pmid[%d] value[%d] record[%d] param[%d] event record past end of PDU buffer\n",
+ pmid, value, r, p);
+ return PM_ERR_IPC;
+ }
+
+ tp = (__uint32_t *)&epp->ep_pmid;
+ tp++; /* now points to ep_type/ep_len */
+ *tp = ntohl(*tp);
+ type = epp->ep_type;
+ size = epp->ep_len;
+ *tp = htonl(*tp); /* leave the buffer how we found it */
+
+ if (sizeof(pmID) + size > remaining) {
+ if (pmDebugOptions.pdu)
+ fprintf(stderr, "__pmEventArrayCheck #6: PM_ERR_IPC: pmid[%d] value[%d] record[%d] param[%d] event record past end of PDU buffer\n",
+ pmid, value, r, p);
+ return PM_ERR_IPC;
+ }
+
+ base += sizeof(pmID) + PM_PDU_SIZE_BYTES(size);
+
+ /*
+ * final check for the types below, ep_len should be 4 or
+ * 8, but a malformed PDU could have smaller ep_len values
+ * and then unpacking these types risk going past the end
+ * of the PDU buffer
+ */
+ size = 0;
+ switch (type) {
+ case PM_TYPE_32:
+ case PM_TYPE_U32:
+ case PM_TYPE_FLOAT:
+ size = 4; /* 32-bit types */
+ break;
+ case PM_TYPE_64:
+ case PM_TYPE_U64:
+ case PM_TYPE_DOUBLE:
+ size = 8; /* 64-bit types */
+ break;
+ }
+ if (size > 0 && sizeof(pmID) + size > remaining) {
+ if (pmDebugOptions.pdu)
+ fprintf(stderr, "__pmEventArrayCheck #7: PM_ERR_IPC: pmid[%d] value[%d] record[%d] param[%d] event record past end of PDU buffer\n",
+ pmid, value, r, p);
+ return PM_ERR_IPC;
+ }
+ }
+ }
+ return 0;
+}
+
#if defined(HAVE_64BIT_PTR)
int
__pmDecodeValueSet(__pmPDU *pdubuf, int pdulen, __pmPDU *data, char *pduend,
@@ -336,7 +465,7 @@ __pmDecodeValueSet(__pmPDU *pdubuf, int
int i, j;
/*
* Note: all sizes are in units of bytes ... beware that 'data' is in
- * units of __pmPDU
+ * units of __pmPDU (four bytes)
*/
int vsize; /* size of vlist_t's in PDU buffer */
int nvsize; /* size of pmValue's after decode */
@@ -414,11 +543,10 @@ __pmDecodeValueSet(__pmPDU *pdubuf, int
return PM_ERR_IPC;
}
vindex = ntohl(pduvp->value.lval);
- if (vindex < 0 || vindex > pdulen) {
+ if (vindex < 0 || (char *)&pdubuf[vindex] >= pduend) {
if (pmDebugOptions.pdu && pmDebugOptions.desperate)
- fprintf(stderr, "%s: Bad: pmid[%d] value[%d] "
- "vindex=%d\n",
- "__pmDecodeValueSet", i, j, vindex);
+ fprintf(stderr, "__pmDecodeValueSet: PM_ERR_IPC: pmid[%d] value[%d] vindex=%d (max=%ld)\n",
+ i, j, vindex, (long)((pduend-(char *)pdubuf) / sizeof(pdubuf[0])-1));
return PM_ERR_IPC;
}
pduvbp = (pmValueBlock *)&pdubuf[vindex];
@@ -427,29 +555,31 @@ __pmDecodeValueSet(__pmPDU *pdubuf, int
check = (size_t)(pduend - (char *)pduvbp);
if (sizeof(unsigned int) > check) {
if (pmDebugOptions.pdu && pmDebugOptions.desperate)
- fprintf(stderr, "%s: Bad: pmid[%d] value[%d] "
- "second pduvp past end of "
- "PDU buffer\n",
- "__pmDecodeValueSet", i, j);
+ fprintf(stderr, "__pmDecodeValueSet: PM_ERR_IPC: pmid[%d] value[%d] second pduvp past end of PDU buffer\n",
+ i, j);
return PM_ERR_IPC;
}
-
- __ntohpmValueBlock(pduvbp);
+ __ntohpmValueBlock_hdr(pduvbp);
if (pduvbp->vlen < PM_VAL_HDR_SIZE ||
pduvbp->vlen > pdulen) {
- if (pmDebugOptions.pdu && pmDebugOptions.desperate)
- fprintf(stderr, "%s: Bad: pmid[%d] value[%d] "
- "vlen=%d\n", "__pmDecodeValueSet",
- i, j, pduvbp->vlen);
+ if (pmDebugOptions.pdu)
+ fprintf(stderr, "__pmDecodeValueSet: PM_ERR_IPC: pmid[%d] value[%d] vlen=%d\n",
+ i, j, pduvbp->vlen);
return PM_ERR_IPC;
}
- if (pduvbp->vlen > (size_t)(pduend - (char *)pduvbp)) {
- if (pmDebugOptions.pdu && pmDebugOptions.desperate)
- fprintf(stderr, "%s: Bad: pmid[%d] value[%d] "
- "pduvp past end of PDU buffer\n",
- "__pmDecodeValueSet", i, j);
+ if (pduvbp->vlen > check) {
+ if (pmDebugOptions.pdu)
+ fprintf(stderr, "__pmDecodeValueSet: PM_ERR_IPC: pmid[%d] value[%d] pduvp past end of PDU buffer\n",
+ i, j);
return PM_ERR_IPC;
}
+ if (pduvbp->vtype == PM_TYPE_HIGHRES_EVENT ||
+ pduvbp->vtype == PM_TYPE_EVENT) {
+ vindex = (pduvbp->vtype == PM_TYPE_HIGHRES_EVENT);
+ if (__pmEventArrayCheck(pduvbp, vindex, i, j, check) < 0)
+ return PM_ERR_IPC;
+ }
+ __ntohpmValueBlock_buf(pduvbp);
vbsize += PM_PDU_SIZE_BYTES(pduvbp->vlen);
if (pmDebugOptions.pdu && pmDebugOptions.desperate) {
fprintf(stderr, " len: %d type: %d",
@@ -682,11 +812,10 @@ __pmDecodeValueSet(__pmPDU *pdubuf, int
} else {
/* salvage pmValueBlocks from end of PDU */
vindex = ntohl(pduvp->value.lval);
- if (vindex < 0 || vindex > pdulen) {
+ if (vindex < 0 || (char *)&pdubuf[vindex] >= pduend) {
if (pmDebugOptions.pdu && pmDebugOptions.desperate)
- fprintf(stderr, "%s: Bad: pmid[%d] value[%d] "
- "vindex=%d\n",
- "__pmDecodeValueSet", i, j, vindex);
+ fprintf(stderr, "__pmDecodeValueSet: PM_ERR_IPC: pmid[%d] value[%d] vindex=%d (max=%ld)\n",
+ i, j, vindex, (long)((pduend-(char *)pdubuf) / sizeof(pdubuf[0])-1));
return PM_ERR_IPC;
}
pduvbp = (pmValueBlock *)&pdubuf[vindex];
@@ -701,7 +830,7 @@ __pmDecodeValueSet(__pmPDU *pdubuf, int
"__pmDecodeValueSet", i, j);
return PM_ERR_IPC;
}
- __ntohpmValueBlock(pduvbp);
+ __ntohpmValueBlock_hdr(pduvbp);
if (pduvbp->vlen < PM_VAL_HDR_SIZE ||
pduvbp->vlen > pdulen) {
if (pmDebugOptions.pdu && pmDebugOptions.desperate)
@@ -710,13 +839,20 @@ __pmDecodeValueSet(__pmPDU *pdubuf, int
i, j, pduvbp->vlen);
return PM_ERR_IPC;
}
- if (pduvbp->vlen > (size_t)(pduend - (char *)pduvbp)) {
+ if (pduvbp->vlen > check) {
if (pmDebugOptions.pdu && pmDebugOptions.desperate)
fprintf(stderr, "%s: Bad: pmid[%d] value[%d] "
"pduvp past end of PDU buffer\n",
"__pmDecodeValueSet", i, j);
return PM_ERR_IPC;
}
+ if (pduvbp->vtype == PM_TYPE_HIGHRES_EVENT ||
+ pduvbp->vtype == PM_TYPE_EVENT) {
+ vindex = (pduvbp->vtype == PM_TYPE_HIGHRES_EVENT);
+ if (__pmEventArrayCheck(pduvbp, vindex, i, j, check) < 0)
+ return PM_ERR_IPC;
+ }
+ __ntohpmValueBlock_buf(pduvbp);
pduvp->value.pval = pduvbp;
}
}
SOURCES/redhat-issues-RHEL-57799-pmpost-symlink-handling.patch 0 → 100644
+ 99
− 0
View file @ 7b95930a
diff -Naurp pcp-6.2.2.orig/qa/640 pcp-6.2.2/qa/640
--- pcp-6.2.2.orig/qa/640 2023-11-16 17:51:39.000000000 +1100
+++ pcp-6.2.2/qa/640 2024-09-17 11:47:25.607520846 +1000
@@ -6,6 +6,10 @@
# years; so we now simply check the right permissions are in place
# and move right along...
#
+# Aug 2024 update
+# SuSE Issue G identifies another possible exploit, so try that
+# as well.
+#
# Copyright (c) 1995-2002 Silicon Graphics, Inc. All Rights Reserved.
#
@@ -17,13 +21,54 @@ echo "QA output created by $seq"
. ./common.filter
. ./common.check
-status=0 # success is the default!
-trap "$sudo rm -f $tmp.*; exit \$status" 0 1 2 3 15
+rm -f $seq.full
+ls -li $PCP_LOG_DIR/NOTICES $tmp/badness >>$seq.full 2>&1
+
+_cleanup()
+{
+ if [ -f $PCP_LOG_DIR/NOTICES.$seq ]
+ then
+ $sudo rm -f $PCP_LOG_DIR/NOTICES
+ $sudo mv $PCP_LOG_DIR/NOTICES.$seq $PCP_LOG_DIR/NOTICES
+ fi
+ ls -li $PCP_LOG_DIR/NOTICES $tmp/badness >>$seq.full 2>&1
+ $sudo rm -rf $tmp $tmp.*
+}
+
+status=1 # failure is the default!
+trap "_cleanup; exit \$status" 0 1 2 3 15
+
+_filter()
+{
+ sed \
+ -e "s@$PCP_LOG_DIR@PCP_LOG_DIR@g" \
+ -e '/^pmpost:/s/\[.*]/[DATE]/' \
+ # end
+}
# real QA test starts here
pmpost=$PCP_BINADM_DIR/pmpost
-echo "Using pmpost binary: $pmpost" > $seq.full
+echo "Using pmpost binary: $pmpost" >>$seq.full
test -u "$pmpost" && echo "FAIL: pmpost has setuid bit set"
test -g "$pmpost" && echo "FAIL: pmpost has setgid bit set"
+
+$sudo mkdir $tmp || exit
+$sudo chmod 700 $tmp || exit
+$sudo -u $PCP_USER mv $PCP_LOG_DIR/NOTICES $PCP_LOG_DIR/NOTICES.$seq
+
+$sudo -u $PCP_USER ln -s $tmp/badness $PCP_LOG_DIR/NOTICES >>$seq.full
+$pmpost ordinary user 2>&1 | _filter
+$sudo ls -li $PCP_LOG_DIR/NOTICES $tmp/badness >>$seq.full 2>&1
+$sudo -u pcp $pmpost pcp user 2>&1 | _filter
+$sudo ls -li $PCP_LOG_DIR/NOTICES $tmp/badness >>$seq.full 2>&1
+$sudo $pmpost root user 2>&1 | _filter
+$sudo ls -li $PCP_LOG_DIR/NOTICES $tmp/badness >>$seq.full 2>&1
+if $sudo test -f $tmp/badness
+then
+ $sudo cat $tmp/badness
+fi
+
echo "Test complete"
+
+status=0
exit
diff -Naurp pcp-6.2.2.orig/qa/640.out pcp-6.2.2/qa/640.out
--- pcp-6.2.2.orig/qa/640.out 2023-11-16 17:51:39.000000000 +1100
+++ pcp-6.2.2/qa/640.out 2024-09-17 11:47:25.608520848 +1000
@@ -1,2 +1,5 @@
QA output created by 640
+pmpost: unposted message: [DATE] ordinary user
+pmpost: unposted message: [DATE] pcp user
+pmpost: unposted message: [DATE] root user
Test complete
diff -Naurp pcp-6.2.2.orig/src/pmpost/pmpost.c pcp-6.2.2/src/pmpost/pmpost.c
--- pcp-6.2.2.orig/src/pmpost/pmpost.c 2023-11-16 17:51:39.000000000 +1100
+++ pcp-6.2.2/src/pmpost/pmpost.c 2024-09-17 11:47:25.608520848 +1000
@@ -144,8 +144,12 @@ main(int argc, char **argv)
goto oops;
}
- if ((fd = open(notices, O_WRONLY|O_APPEND, 0)) < 0) {
- if ((fd = open(notices, O_WRONLY|O_CREAT|O_APPEND, 0664)) < 0) {
+ if ((fd = open(notices, O_WRONLY|O_APPEND|O_NOFOLLOW, 0)) < 0) {
+ if (oserror() == ELOOP) {
+ /* last component is symlink => attack? ... bail! */
+ goto oops;
+ }
+ if ((fd = open(notices, O_WRONLY|O_CREAT|O_APPEND|O_NOFOLLOW, 0664)) < 0) {
fprintf(stderr, "pmpost: cannot open or create file \"%s\": %s\n",
notices, osstrerror());
goto oops;
SPECS/pcp.spec
+ 11
− 1
View file @ 7b95930a
Name: pcp
Version: 6.2.2
Release: 6%{?dist}
Release: 7%{?dist}
Summary: System-level performance monitoring and performance management
License: GPL-2.0-or-later AND LGPL-2.1-or-later AND CC-BY-3.0
URL: https://pcp.io
......@@ -14,6 +14,10 @@ Patch3: revert-time64_t-i386.patch
Patch4: redhat-issues-39159-39132-32983-39293.patch
Patch5: redhat-issues-RHEL-40718-java-bytecode-update.patch
Patch6: redhat-issues-RHEL-50693-hacluster-metrics-update.patch
Patch7: redhat-issues-RHEL-57796-pmcd-pmstore-corruption.patch
Patch8: redhat-issues-RHEL-57799-pmpost-symlink-handling.patch
Patch9: redhat-issues-RHEL-34586-pmproxy-pmcd-fd-leak.patch
Patch10: redhat-issues-RHEL-57788-pmdahacluster-update.patch
%if 0%{?fedora} >= 40 || 0%{?rhel} >= 10
ExcludeArch: %{ix86}
......@@ -3544,6 +3548,12 @@ fi
%files zeroconf -f pcp-zeroconf-files.rpm
%changelog
* Tue Sep 17 2024 Nathan Scott <nathans@redhat.com> - 6.2.2-7
- Fix buffer sizing checks in pmstore PDU handling (RHEL-57809)
- Guard against symlink attacks in pmpost program (RHEL-57814)
- Fix libpcp_web webgroup slow request refcounting (RHEL-58307)
- Updated pmdahacluster for newer crm_mon versions (RHEL-58303)
* Wed Aug 7 2024 Nathan Scott <nathans@redhat.com> - 6.2.2-6
- Update hacluster PMDA for pacemaker 2.1.6 crm_mon (RHEL-50693)
......
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