* agent/command-ssh.c (ssh_search_control_file): Check S before
upcasing it.
--
In contradiction to the comment we did not check the length of HEXGRIP
and thus the GPG_ERR_INV_LENGTH was never triggered.
Detected by Stack 0.3:
bug: anti-simplify
model: |
%cmp8 = icmp ne i32 %i.0, 40, !dbg !986
--> false
stack:
- /home/wk/s/gnupg/agent/command-ssh.c:1226:0
ncore: 2
core:
- /home/wk/s/gnupg/agent/command-ssh.c:1225:0
- buffer overflow
- /home/wk/s/gnupg/agent/command-ssh.c:1225:0
- buffer overflow
(backported from 2.1 commit 3529dd8bb5bafc4e02915648d5f409bd27a9cc37)