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add_process_memory_range: Change order of update page and insert range.

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Unintended update page was occurred, when inserting range failed.

Change-Id: I3d117b8613c5fbb64463c759b5fcc81db22bd624
refs: #1512
This commit is contained in:
Ken Sato
2021-01-07 16:19:57 +09:00
committed by Masamichi Takagi
parent 93dafc5f79
commit 6dce9a2bf9
8 changed files with 219 additions and 9 deletions
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2
kernel/syscall.c
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@ -2735,7 +2735,7 @@ SYSCALL_DECLARE(brk)
}
/* If already allocated, just expand and return */
if (address < region->brk_end_allocated) {
if (address <= region->brk_end_allocated) {
region->brk_end = address;
r = region->brk_end;
goto out;