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fix dangling pointer in component pthread and dfs_elm (#9976) 

* [components/libc/posix][pthreads]fix the risk of dangling pointer

* [components][dfs][dfs_elm]:fix risk of dangling pointer, unmount the temp driver then free the temp FATFS in dfs_elm_mkfs.
This commit is contained in:
lingfengPeng 2025-03-11 10:48:29 +08:00 committed by GitHub
parent c16d14e70b
commit 29a06142c5
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GPG Key ID: B5690EEEBB952194
3 changed files with 5 additions and 5 deletions
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2
components/dfs/dfs_v1/filesystems/elmfat/dfs_elm.c
View File

@ -280,8 +280,8 @@ int dfs_elm_mkfs(rt_device_t dev_id, const char *fs_name)
/* check flag status, we need clear the temp driver stored in disk[] */
if (flag == FSM_STATUS_USE_TEMP_DRIVER)
{
rt_free(fat);
f_mount(RT_NULL, logic_nbr, (BYTE)index);
rt_free(fat);
disk[index] = RT_NULL;
/* close device */
rt_device_close(dev_id);

2
components/dfs/dfs_v2/filesystems/elmfat/dfs_elm.c
View File

@ -319,8 +319,8 @@ int dfs_elm_mkfs(rt_device_t dev_id, const char *fs_name)
/* check flag status, we need clear the temp driver stored in disk[] */
if (flag == FSM_STATUS_USE_TEMP_DRIVER)
{
rt_free(fat);
f_mount(RT_NULL, logic_nbr, (BYTE)index);
rt_free(fat);
disk[index] = RT_NULL;
/* close device */
rt_device_close(dev_id);

6
components/libc/posix/pthreads/pthread.c
View File

@ -169,9 +169,6 @@ void _pthread_data_destroy(_pthread_data_t *ptd)
/* clean magic */
ptd->magic = 0x0;
/* clear the "ptd->tid->pthread_data" */
ptd->tid->pthread_data = RT_NULL;
/* free ptd */
rt_free(ptd);
}
@ -185,6 +182,9 @@ static void _pthread_cleanup(rt_thread_t tid)
/* restore tid stack */
rt_free(tid->stack_addr);
/* clear the "ptd->tid->pthread_data" */
tid->pthread_data = RT_NULL;
/* restore tid control block */
rt_free(tid);
}