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| author | Bram Moolenaar <Bram@vim.org> | 2022-08-14 21:28:32 +0100 |
|---|---|---|
| committer | Bram Moolenaar <Bram@vim.org> | 2022-08-14 21:28:32 +0100 |
| commit | d1d8f6bacb489036d0fd479c9dd3c0102c988889 (patch) | |
| tree | 4edf759dfb4d79facb2e07869bf2006792ee3b9f /src/vim9cmds.c | |
| parent | c3a483fc3c65f649f9985bb88792a465ea18b0a2 (diff) | |
| download | vim-git-d1d8f6bacb489036d0fd479c9dd3c0102c988889.tar.gz | |
patch 9.0.0211: invalid memory access when compiling :lockvarv9.0.0211
Problem: Invalid memory access when compiling :lockvar.
Solution: Don't read past the end of the line.
Diffstat (limited to 'src/vim9cmds.c')
| -rw-r--r-- | src/vim9cmds.c | 9 |
1 files changed, 7 insertions, 2 deletions
diff --git a/src/vim9cmds.c b/src/vim9cmds.c index ad32c32ff..35a382138 100644 --- a/src/vim9cmds.c +++ b/src/vim9cmds.c @@ -188,10 +188,17 @@ compile_lock_unlock( size_t len; char_u *buf; isntype_T isn = ISN_EXEC; + char *cmd = eap->cmdidx == CMD_lockvar ? "lockvar" : "unlockvar"; if (cctx->ctx_skip == SKIP_YES) return OK; + if (*p == NUL) + { + semsg(_(e_argument_required_for_str), cmd); + return FAIL; + } + // Cannot use :lockvar and :unlockvar on local variables. if (p[1] != ':') { @@ -223,8 +230,6 @@ compile_lock_unlock( ret = FAIL; else { - char *cmd = eap->cmdidx == CMD_lockvar ? "lockvar" : "unlockvar"; - if (deep < 0) vim_snprintf((char *)buf, len, "%s! %s", cmd, p); else |