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Сохрани накопленные исправления аудио, async и диагностики

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evgeny committed 2026-10-02 01:49:32 +03:00
1 parent b1e3193899
commit bdcf8b5634
59 files changed
+4611 -1441
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lib/memory_pool.c
+18 -8
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@@ -5,11 +5,12 @@
#include "memory_pool.h"
#include "mem.h"
// Layout: [user_data: object_size] [canary: 4 bytes] [alloc_loc: pointer] [counter: 1 byte]
// Layout: [user_data] [canary: 4] [alloc_loc: pointer] [free_loc: pointer] [counter: 1]
#define POOL_CANARY_OFF (pool->object_size)
#define POOL_LOC_OFF (pool->object_size + 4)
#define POOL_COUNTER_OFF (pool->object_size + 4 + sizeof(const char*))
#define POOL_ALLOC_SIZE (pool->object_size + 4 + sizeof(const char*) + 1)
#define POOL_FREE_LOC_OFF (pool->object_size + 4 + sizeof(const char*))
#define POOL_COUNTER_OFF (pool->object_size + 4 + 2 * sizeof(const char*))
#define POOL_ALLOC_SIZE (pool->object_size + 4 + 2 * sizeof(const char*) + 1)
#define POOL_CANARY_VAL 0xDEADBEAF
static void pool_init_tags(struct memory_pool* pool, void* obj, const char* location)
@@ -19,35 +20,44 @@ static void pool_init_tags(struct memory_pool* pool, void* obj, const char* loca
/* Метаданные следуют за payload произвольного размера и могут быть невыровненными. */
memcpy((uint8_t*)obj + POOL_CANARY_OFF, &canary, sizeof(canary));
memcpy((uint8_t*)obj + POOL_LOC_OFF, &location, sizeof(location));
const char* free_loc = NULL;
memcpy((uint8_t*)obj + POOL_FREE_LOC_OFF, &free_loc, sizeof(free_loc));
*counter = 1;
}
static void pool_check_and_clear_tags(struct memory_pool* pool, void* obj, const char* location)
{
uint32_t canary;
const char* loc;
const char *loc, *free_loc;
memcpy(&canary, (uint8_t*)obj + POOL_CANARY_OFF, sizeof(canary));
memcpy(&loc, (uint8_t*)obj + POOL_LOC_OFF, sizeof(loc));
memcpy(&free_loc, (uint8_t*)obj + POOL_FREE_LOC_OFF, sizeof(free_loc));
uint8_t* counter = (uint8_t*)obj + POOL_COUNTER_OFF;
if (canary != POOL_CANARY_VAL) {
DEBUG_ERROR(DEBUG_CATEGORY_SYS, "pool_free BUFFER OVERFLOW pool=%p name=%s sz=%zu allocs=%zu reuse=%zu free=%d",
pool, pool->name ? pool->name : "?", pool->object_size, pool->allocations, pool->reuse_count, pool->free_count);
DEBUG_ERROR(DEBUG_CATEGORY_SYS, " obj=%p alloc=%s free=%s canary=0x%08x expected=0x%08x",
obj, loc ? loc : "(null)", location, canary, POOL_CANARY_VAL);
/* Повреждённый хвост может содержать битые указатели; их нельзя читать как строки. */
DEBUG_ERROR(DEBUG_CATEGORY_SYS, " obj=%p alloc_loc_ptr=%p free_loc_ptr=%p free_attempt=%s canary=0x%08x expected=0x%08x",
obj, (void*)loc, (void*)free_loc, location, canary, POOL_CANARY_VAL);
if (pool->object_size)
log_dump(DEBUG_LEVEL_ERROR, DEBUG_CATEGORY_SYS, " user_data", obj, pool->object_size);
DEBUG_ERROR(DEBUG_CATEGORY_SYS, "pool_free: corruption logged, stopping thread permanently obj=%p", obj);
volatile int _halt = 1;
while (_halt) {}
}
if (*counter == 0) {
DEBUG_ERROR(DEBUG_CATEGORY_SYS, "pool_free DOUBLE FREE pool=%p name=%s sz=%zu allocs=%zu reuse=%zu obj=%p alloc=%s free=%s",
DEBUG_ERROR(DEBUG_CATEGORY_SYS, "pool_free DOUBLE FREE pool=%p name=%s sz=%zu allocs=%zu reuse=%zu obj=%p",
pool, pool->name ? pool->name : "?", pool->object_size, pool->allocations, pool->reuse_count,
obj, loc ? loc : "(null)", location);
obj);
DEBUG_ERROR(DEBUG_CATEGORY_SYS, " alloc=%s first_free=%s repeated_free=%s",
loc ? loc : "(null)", free_loc ? free_loc : "(null)", location);
DEBUG_ERROR(DEBUG_CATEGORY_SYS, "pool_free: corruption logged, stopping thread permanently obj=%p", obj);
volatile int _halt = 1;
while (_halt) {}
}
*counter = 0;
memcpy((uint8_t*)obj + POOL_FREE_LOC_OFF, &location, sizeof(location));
}
static size_t g_total_free = 0;