diff options
| author | Bernard Xiong <[email protected]> | 2021-05-22 21:50:17 +0800 |
|---|---|---|
| committer | GitHub <[email protected]> | 2021-05-22 21:50:17 +0800 |
| commit | e6141000840f5ae40db3934de8751ea55cbb2986 (patch) | |
| tree | 4735ae1ef12640a72e7cc4df80c6b3496d8c3df9 | |
| parent | 19de22f485c2adc07ec90b92753bc53d7a7a9487 (diff) | |
| parent | 6c01083502936185a46ff6d7f8bf2732a68c51cf (diff) | |
Merge pull request #4720 from geniusgogo/fix_shell
fix shell msh_exec memory over-bound.
| -rw-r--r-- | components/finsh/msh.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/components/finsh/msh.c b/components/finsh/msh.c index 73a5197dcd..ed12219c2e 100644 --- a/components/finsh/msh.c +++ b/components/finsh/msh.c @@ -374,7 +374,7 @@ int msh_exec(char *cmd, rt_size_t length) int cmd_ret; /* strim the beginning of command */ - while (*cmd == ' ' || *cmd == '\t') + while ((length > 0) && (*cmd == ' ' || *cmd == '\t')) { cmd++; length--; |