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Merge pull request #381 from LedgerHQ/apr/fix/plugin_context_memory_alignment

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Fix memory alignment of plugin context buffer
This commit is contained in:
apaillier-ledger
2022-12-01 15:19:31 +01:00
committed by GitHub
parent 9e2b67552e 0d09d31dba
commit f1c7ba8fec
1 changed files with 7 additions and 2 deletions
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9
src/shared_context.h
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@@ -50,7 +50,6 @@ typedef enum starkQuantumType_e {
typedef struct tokenContext_t {
char pluginName[PLUGIN_ID_LENGTH];
uint8_t pluginStatus;
uint8_t data[INT256_LENGTH];
uint16_t fieldIndex;
@@ -65,9 +64,13 @@ typedef struct tokenContext_t {
uint8_t contractAddress[ADDRESS_LENGTH];
uint8_t methodSelector[SELECTOR_LENGTH];
};
uint8_t pluginContext[5 * INT256_LENGTH];
// This needs to be strictly 4 bytes aligned since pointers to it will be casted as
// plugin context struct pointers (structs that contain up to 4 bytes wide elements)
uint8_t pluginContext[5 * INT256_LENGTH] __attribute__((aligned(4)));
};
uint8_t pluginStatus;
#ifdef HAVE_STARKWARE
uint8_t quantum[32];
uint8_t mintingBlob[32];
@@ -77,6 +80,8 @@ typedef struct tokenContext_t {
} tokenContext_t;
_Static_assert((offsetof(tokenContext_t, pluginContext) % 4) == 0, "Plugin context not aligned");
typedef struct publicKeyContext_t {
cx_ecfp_public_key_t publicKey;
char address[41];