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| author | Russ Cox <rsc@swtch.com> | 2020-05-17 20:06:31 -0400 |
|---|---|---|
| committer | Russ Cox <rsc@swtch.com> | 2020-05-17 20:15:41 -0400 |
| commit | 154140a22b1c697f6a3edb3e5913efded1be082a (patch) | |
| tree | c151ad9ae5bb0fe82327953399230fe2b52001f9 /src/cmd/mk | |
| parent | 8cb7308f3a24249ed091c7decf22005c64099783 (diff) | |
| download | plan9port-154140a22b1c697f6a3edb3e5913efded1be082a.tar.gz plan9port-154140a22b1c697f6a3edb3e5913efded1be082a.tar.bz2 plan9port-154140a22b1c697f6a3edb3e5913efded1be082a.zip | |
mk: replace overlapping strcpy with memmove
Found by ASAN.
Diffstat (limited to 'src/cmd/mk')
| -rw-r--r-- | src/cmd/mk/env.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/src/cmd/mk/env.c b/src/cmd/mk/env.c index d7c6481d..e01aa21a 100644 --- a/src/cmd/mk/env.c +++ b/src/cmd/mk/env.c @@ -123,7 +123,8 @@ buildenv(Job *j, int slot) qp = strchr(cp+1, ')'); if(qp){ *qp = 0; - strcpy(w->s, cp+1); + /* strcpy, but might overlap */ + memmove(w->s, cp+1, strlen(cp+1)+1); l = &w->next; w = w->next; continue; |