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File _service:tar_scm:backport-libselinux-add-check-for-calloc-in-check_booleans.patch of Package libselinux
From d8edd363be3184c5738438fde937fd5ebc2d4923 Mon Sep 17 00:00:00 2001 From: Huaxin Lu <luhuaxin1@huawei.com> Date: Mon, 19 Jun 2023 07:17:02 +0800 Subject: [PATCH] libselinux: add check for calloc in check_booleans Check the return value of calloc() to avoid null pointer reference. Signed-off-by: Huaxin Lu <luhuaxin1@huawei.com> Acked-by: Petr Lautrbach <lautrbach@redhat.com> --- src/audit2why.c | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/src/audit2why.c b/src/audit2why.c index ba1a66eb..8c4c07d5 100644 --- a/src/audit2why.c +++ b/src/audit2why.c @@ -149,6 +149,12 @@ static int check_booleans(struct boolean_t **bools) if (fcnt > 0) { *bools = calloc(sizeof(struct boolean_t), fcnt + 1); + if (!*bools) { + PyErr_SetString( PyExc_MemoryError, "Out of memory\n"); + free(foundlist); + return 0; + } + struct boolean_t *b = *bools; for (i = 0; i < fcnt; i++) { int ctr = foundlist[i]; -- 2.27.0
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