gh0s7/mckernel
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

execve: Reinitialize vm_regions's map area on execve

Browse Source 
Reinitialize vm->region.map_end in sys_execve()
in the same way as when creating a new process.

Change-Id: I7fc048a187e619ba4b5a578976e2a6774d13a6a7
This commit is contained in:
Ken Sato
2018-06-13 13:23:02 +09:00
committed by Dominique Martinet
parent 08f2840f7d
commit db732a245c
1 changed files with 3 additions and 0 deletions
Download Patch File Download Diff File Expand all files Collapse all files

3
kernel/syscall.c
View File

@@ -2135,6 +2135,9 @@ static void munmap_all(void)
/* free vm_ranges which do_munmap() failed to remove. */ /* free vm_ranges which do_munmap() failed to remove. */
free_process_memory_ranges(thread->vm); free_process_memory_ranges(thread->vm);
/* reset vm_region's map area */
thread->vm->region.map_end = thread->vm->region.map_start;
return; return;
} /* munmap_all() */ } /* munmap_all() */