Address Sanitizer Event Overview
HiAppEvent provides APIs for subscribing to address sanitizer events of the system.
The params parameter in the event information is described as follows:
params:
| Name | Type | Description |
|---|---|---|
| time | number | Event triggering time, in ms. |
| bundle_version | string | Application version. |
| bundle_name | string | Application name. |
| pid | number | Process ID of the application. |
| uid | number | User ID of the application. |
| type | string | Type of the address sanitizer error. For details, see the description of type. |
| external_log | string[] | Path of the error log file. If the directory files exceed the threshold (for details, see log_over_limit), new log files may fail to be written. Therefore, delete the log files immediately after they are processed. |
| log_over_limit | boolean | Whether the size of generated fault log files and existing log files exceeds the upper limit (5 MB). The value true indicates that the upper limit is exceeded and logs fail to be written. The value false indicates that the upper limit is not exceeded. |
type:
| Value | Description |
|---|---|
| alloc-dealloc-mismatch | The memory allocation and release modes do not match. |
| allocation-size-too-big | The memory allocated is too large for the heap. |
| calloc-overflow | calloc() fails. |
| container-overflow | The container overflows. |
| double-free | The same memory address is released more than once. |
| dynamic-stack-buffer-overflow | The buffer access exceeds the boundary of a stack-allocated object. |
| global-buffer-overflow | The global buffer overflows. |
| heap-buffer-overflow | The heap buffer overflows. |
| heap-use-after-free | The released heap memory is used. |
| invalid-allocation-alignment | The alignment mode specified in memory allocation is invalid. |
| memcpy-param-overlap | memcpy() does not support overlapping memory regions. |
| new-delete-type-mismatch | The released memory size does not match the allocated memory size. |
| stack-buffer-overflow | The stack buffer overflows. |
| stack-buffer-underflow | The stack buffer underflows. |
| stack-use-after-return | The stack memory is used after the function has returned. |
| stack-use-after-scope | The stack memory is out of range. |
| strcat-param-overlap | The source and destination buffers used for string concatenation overlap. |
| use-after-poison | The poisoned memory (memory marked as invalid or inaccessible) is accessed or modified. |
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