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author | Michał Górny <mgorny@gentoo.org> | 2015-12-26 17:17:05 +0100 |
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committer | Michał Górny <mgorny@gentoo.org> | 2015-12-26 17:17:05 +0100 |
commit | 02fdc2db225b1ca21aab2000ba4a873f335d6707 (patch) | |
tree | 23dfa1f71ce7032ed15a16938d1e384f896406e7 | |
parent | 3d29b12c9c8ba3272bbc5523fccde96c06ee6b83 (diff) | |
download | libgit2-02fdc2db225b1ca21aab2000ba4a873f335d6707.tar.gz |
ssh_stream_read(): fix possible *bytes_read < 0 branch
Fix the possibility of returning successfully from ssh_stream_read()
with *bytes_read < 0. This would occur if stdout channel read resulted
in 0, and stderr channel read failed afterwards.
-rw-r--r-- | src/transports/ssh.c | 11 |
1 files changed, 8 insertions, 3 deletions
diff --git a/src/transports/ssh.c b/src/transports/ssh.c index ffa4a24a7..239e0bae7 100644 --- a/src/transports/ssh.c +++ b/src/transports/ssh.c @@ -136,9 +136,14 @@ static int ssh_stream_read( * not-found error, so read from stderr and signal EOF on * stderr. */ - if (rc == 0 && (rc = libssh2_channel_read_stderr(s->channel, buffer, buf_size)) > 0) { - giterr_set(GITERR_SSH, "%*s", rc, buffer); - return GIT_EEOF; + if (rc == 0) { + if ((rc = libssh2_channel_read_stderr(s->channel, buffer, buf_size)) > 0) { + giterr_set(GITERR_SSH, "%*s", rc, buffer); + return GIT_EEOF; + } else if (rc < LIBSSH2_ERROR_NONE) { + ssh_error(s->session, "SSH could not read stderr"); + return -1; + } } |