From: okaya@kernel.org
To: Anatoly Burakov <anatoly.burakov@intel.com>
Cc: dev@dpdk.org, Sinan Kaya <okaya@kernel.org>
Subject: [PATCH v3 05/10] malloc: check result of rte_mem_virt2memseg_list
Date: Thu, 19 Jan 2023 23:41:35 -0500 [thread overview]
Message-ID: <20230120044140.95975-6-okaya@kernel.org> (raw)
In-Reply-To: <20230120044140.95975-1-okaya@kernel.org>
From: Sinan Kaya <okaya@kernel.org>
In alloc_pages_on_heap result of call to rte_mem_virt2memseg_list
is dereferenced here and may be null.
Signed-off-by: Sinan Kaya <okaya@kernel.org>
---
lib/eal/common/malloc_heap.c | 2 ++
1 file changed, 2 insertions(+)
diff --git a/lib/eal/common/malloc_heap.c b/lib/eal/common/malloc_heap.c
index 503e551bf9..3f41430e42 100644
--- a/lib/eal/common/malloc_heap.c
+++ b/lib/eal/common/malloc_heap.c
@@ -323,6 +323,8 @@ alloc_pages_on_heap(struct malloc_heap *heap, uint64_t pg_sz, size_t elt_size,
map_addr = ms[0]->addr;
msl = rte_mem_virt2memseg_list(map_addr);
+ if (msl == NULL)
+ return NULL;
/* check if we wanted contiguous memory but didn't get it */
if (contig && !eal_memalloc_is_contig(msl, map_addr, alloc_sz)) {
--
2.25.1
next prev parent reply other threads:[~2023-01-20 4:42 UTC|newest]
Thread overview: 29+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-01-20 4:41 [PATCH v3 00/10] codeql fixes for various subsystems okaya
2023-01-20 4:41 ` [PATCH v3 01/10] ethdev: check return result of rte_eth_dev_info_get okaya
2023-01-20 10:21 ` Morten Brørup
2023-01-20 4:41 ` [PATCH v3 02/10] memzone: check result of rte_fbarray_get okaya
2023-01-20 4:41 ` [PATCH v3 03/10] memzone: check result of malloc_elem_from_data okaya
2023-01-20 4:41 ` [PATCH v3 04/10] malloc: malloc_elem_join_adjacent_free can return null okaya
2023-01-20 4:41 ` okaya [this message]
2023-01-20 4:41 ` [PATCH v3 06/10] malloc: check result of rte_fbarray_get okaya
2023-01-20 4:41 ` [PATCH v3 07/10] malloc: check result of rte_mem_virt2memseg okaya
2023-01-20 4:41 ` [PATCH v3 08/10] malloc: check result of malloc_elem_free okaya
2023-01-20 4:41 ` [PATCH v3 09/10] malloc: check result of elem_start_pt okaya
2023-01-20 4:41 ` [PATCH v3 10/10] bus/vdev: check result of rte_vdev_device_name okaya
2023-01-20 16:47 ` Stephen Hemminger
2023-01-22 20:51 ` Thomas Monjalon
2023-02-06 16:01 ` Sinan Kaya
2023-02-06 18:46 ` Thomas Monjalon
2023-02-06 16:00 ` [PATCH v3 00/10] codeql fixes for various subsystems Sinan Kaya
2023-07-06 22:43 ` Stephen Hemminger
2023-07-10 15:18 ` Sinan Kaya
2023-07-10 17:07 ` [PATCH v4 0/5] fixes for problems found by codeql analyzer Stephen Hemminger
2023-07-10 17:07 ` [PATCH v4 1/5] mailmap: add Sinan Stephen Hemminger
2023-07-10 17:07 ` [PATCH v4 2/5] ethdev: check return result of rte_eth_dev_info_get Stephen Hemminger
2023-12-16 10:06 ` Andrew Rybchenko
2023-12-16 10:08 ` Andrew Rybchenko
2023-07-10 17:07 ` [PATCH v4 3/5] memzone: check result of rte_fbarray_get and malloc_elem_from_data Stephen Hemminger
2023-07-10 17:07 ` [PATCH v4 4/5] malloc: codeql fixes Stephen Hemminger
2023-07-10 17:08 ` [PATCH v4 5/5] bus/vdev: check result of rte_vdev_device_name Stephen Hemminger
2023-12-16 10:10 ` Andrew Rybchenko
2023-07-11 1:37 ` [PATCH v4 0/5] fixes for problems found by codeql analyzer fengchengwen
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