26 lines
845 B
Diff
26 lines
845 B
Diff
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From 1c9143d0c1f979c3daf10e1c37b5b1e916c22a1c Mon Sep 17 00:00:00 2001
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From: Karel Zak <kzak@redhat.com>
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Date: Tue, 27 Jul 2021 11:58:31 +0200
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Subject: [PATCH] sys-utils/ipcutils: be careful when call calloc() for uint64
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nmembs
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Fix: https://github.com/karelzak/util-linux/issues/1395
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Signed-off-by: Karel Zak <kzak@redhat.com>
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---
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sys-utils/ipcutils.c | 2 +-
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1 file changed, 1 insertion(+), 1 deletion(-)
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diff --git a/sys-utils/ipcutils.c b/sys-utils/ipcutils.c
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index e784c4dcb9..18868cfd38 100644
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--- a/sys-utils/ipcutils.c
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+++ b/sys-utils/ipcutils.c
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@@ -218,7 +218,7 @@ static void get_sem_elements(struct sem_data *p)
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{
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size_t i;
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- if (!p || !p->sem_nsems || p->sem_perm.id < 0)
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+ if (!p || !p->sem_nsems || p->sem_nsems > SIZE_MAX || p->sem_perm.id < 0)
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return;
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p->elements = xcalloc(p->sem_nsems, sizeof(struct sem_elem));
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