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File _service:tar_scm_kernel_repo:backport-fix-2-more-issues-found-by-fuzzing.patch of Package audit
From f4683d04eadb7d76b98497af834f027d6005d893 Mon Sep 17 00:00:00 2001 From: Steve Grubb <sgrubb@redhat.com> Date: Mon, 9 Aug 2021 17:14:17 -0400 Subject: [PATCH] fix 2 more issues found by fuzzing --- auparse/auparse.c | 8 +++++++- auparse/ellist.c | 4 +++- 2 files changed, 10 insertions(+), 2 deletions(-) diff --git a/auparse/auparse.c b/auparse/auparse.c index b0e685a..3cf512a 100644 --- a/auparse/auparse.c +++ b/auparse/auparse.c @@ -1611,7 +1611,13 @@ static int au_auparse_next_event(auparse_state_t *au) } aup_list_create(l); aup_list_set_event(l, &e); - aup_list_append(l, au->cur_buf, au->list_idx, au->line_number); + if (aup_list_append(l, au->cur_buf, au->list_idx, + au->line_number) < 0) { + au->cur_buf = NULL; + aup_list_clear(l); + free(l); + continue; + } // Eat standalone EOE - main event was already marked complete if (l->head->type == AUDIT_EOE) { au->cur_buf = NULL; diff --git a/auparse/ellist.c b/auparse/ellist.c index 7d9c552..dd711bc 100644 --- a/auparse/ellist.c +++ b/auparse/ellist.c @@ -290,7 +290,9 @@ static int parse_up_record(rnode* r) while (ptr && *ptr != '}') { len = strlen(ptr); if ((len+1) >= (256-total)) { - free(buf); + if (nvlist_get_cnt(&r->nv) + == 0) + free(buf); return -1; } if (tmpctx[0]) { --
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