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| author | Andreas Schneider <asn@cryptomilk.org> | 2012-10-05 11:17:06 +0200 |
|---|---|---|
| committer | Andreas Schneider <asn@cryptomilk.org> | 2012-10-05 11:17:06 +0200 |
| commit | ceb8072b34a581eb72ed43f7f7ce78fd9b0ea708 (patch) | |
| tree | e6fd65725cc9a9bf38902c5ccfd002aeeaed9f57 /src/channels.c | |
| parent | 656fd60110b73b3fc56c8c407b12a68be7ca67ff (diff) | |
| download | libssh-ceb8072b34a581eb72ed43f7f7ce78fd9b0ea708.tar.gz libssh-ceb8072b34a581eb72ed43f7f7ce78fd9b0ea708.tar.xz libssh-ceb8072b34a581eb72ed43f7f7ce78fd9b0ea708.zip | |
channel: Fix a possible null pointer dereference.
Diffstat (limited to 'src/channels.c')
| -rw-r--r-- | src/channels.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/src/channels.c b/src/channels.c index 1b7caa2f..6a81e377 100644 --- a/src/channels.c +++ b/src/channels.c @@ -2500,7 +2500,7 @@ 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; @@ -2508,6 +2508,8 @@ int channel_read_buffer(ssh_channel channel, ssh_buffer buffer, uint32_t count, if(channel == NULL) { return SSH_ERROR; } + session = channel->session; + if(buffer == NULL) { ssh_set_error_invalid(channel->session); return SSH_ERROR; |