Evolution-X-Devices/kernel_oneplus_8750-modules
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Merge "msm: ipa: Introduce additional NULL checks"

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QCTECMDR Service
2025-04-24 02:22:47 -07:00
committed by Gerrit - the friendly Code Review server
parent 00c281bf50 5856773b27
commit ddc48eb7e2
1 changed files with 8 additions and 1 deletions
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9
drivers/platform/msm/ipa/ipa_v3/ipa_hdr.c
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@@ -1,7 +1,7 @@
// SPDX-License-Identifier: GPL-2.0-only
/*
* Copyright (c) 2012-2021, The Linux Foundation. All rights reserved.
* Copyright (c) 2023 Qualcomm Innovation Center, Inc. All rights reserved.
* Copyright (c) 2023, 2025 Qualcomm Innovation Center, Inc. All rights reserved.
*/
#include "ipa_i.h"
@@ -51,6 +51,13 @@ alloc:
list_for_each_entry(entry, &ipa3_ctx->hdr_tbl[loc].head_hdr_entry_list, link) {
IPADBG_LOW("hdr of len %d ofst=%d\n", entry->hdr_len,
entry->offset_entry->offset);
/* Safety check for pointer and header length to avoid dangerous overflow in HW */
if (unlikely(!entry->offset_entry ||
entry->hdr_len > ipa_hdr_bin_sz[IPA_HDR_BIN_MAX - 1])) {
IPAERR_RL("Invalid hdr entry\n");
return -EINVAL;
}
ipahal_cp_hdr_to_hw_buff(mem->base, entry->offset_entry->offset,
entry->hdr, entry->hdr_len);
}