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author | Andreas Schneider <asn@cryptomilk.org> | 2012-10-05 11:17:06 +0200 |
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committer | Andreas Schneider <asn@cryptomilk.org> | 2012-10-05 11:48:34 +0200 |
commit | 5b32f31a315b03689e40c416dbea34c43b1530de (patch) | |
tree | 98fc9f674bc914c87f7357aea9fa33033c2878e3 | |
parent | 3eac8e1c1865a16a2fb7b029b9ad8e4a77fac154 (diff) | |
download | libssh-5b32f31a315b03689e40c416dbea34c43b1530de.tar.gz libssh-5b32f31a315b03689e40c416dbea34c43b1530de.tar.xz libssh-5b32f31a315b03689e40c416dbea34c43b1530de.zip |
channel: Fix a possible null pointer dereference.
(cherry picked from commit ceb8072b34a581eb72ed43f7f7ce78fd9b0ea708)
-rw-r--r-- | src/channels.c | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/src/channels.c b/src/channels.c index 871e1401..221ce8e2 100644 --- a/src/channels.c +++ b/src/channels.c @@ -2277,11 +2277,16 @@ error: */ int channel_read_buffer(ssh_channel channel, ssh_buffer buffer, uint32_t count, int is_stderr) { - ssh_session session=channel->session; + ssh_session session; char buffer_tmp[8192]; int r; uint32_t total=0; + if (channel == NULL) { + return SSH_ERROR; + } + session = channel->session; + enter_function(); buffer_reinit(buffer); if(count==0){ |