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| author |   yasuoka <yasuoka@openbsd.org> | 2019-04-02 10:50:20 +0000 |
|---|---|---|
| committer | yasuoka <yasuoka@openbsd.org> | 2019-04-02 10:50:20 +0000 |
| commit | a99eef19e79dd15c8379393894bd0e55179d7978 (patch) | |
| tree | dfcee98f409b4ccbabd70a14ab77803e49b6e131 | |
| parent | clear the BCAST and MCAST mbuf flags for "outgoing" packets. (diff) | |
| download | wireguard-openbsd-a99eef19e79dd15c8379393894bd0e55179d7978.tar.xz wireguard-openbsd-a99eef19e79dd15c8379393894bd0e55179d7978.zip | |
Fix ddb not to write its history to out of the region. When the
inputted line just ends at sizeof(db_history), ddb started writing the
histories to out of the region. diff from IIJ.
ok deraadt anton
| -rw-r--r-- | sys/ddb/db_input.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/sys/ddb/db_input.c b/sys/ddb/db_input.c index 51cb939e173..2c180369fed 100644 --- a/sys/ddb/db_input.c +++ b/sys/ddb/db_input.c @@ -1,4 +1,4 @@ -/* $OpenBSD: db_input.c,v 1.16 2016/04/19 12:23:25 mpi Exp $ */ +/* $OpenBSD: db_input.c,v 1.17 2019/04/02 10:50:20 yasuoka Exp $ */ /* $NetBSD: db_input.c,v 1.7 1996/02/05 01:57:02 christos Exp $ */ /* @@ -302,6 +302,8 @@ db_inputchar(int c) db_history_last = db_history; } *db_history_last++ = '\0'; + if (db_history_last == db_history + db_history_size) + db_history_last = db_history; } db_history_curr = db_history_last; #endif |