Attachment 3500 Details for Bug 3304 – OpenSSH client log

OpenSSH client log

openssh-log.txt (text/plain), 1.46 KB, created by E B on 2021-04-24 11:22:29 AEST

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Creator: E B

Created: 2021-04-24 11:22:29 AEST

Size: 1.46 KB

patch

obsolete

>Managed to capture the ssh debugging logs specific to the bad file file descriptor (in this instance it is channel #6 and read fd 11).
>I added select()'s to show where they occur in relation to the strace output.
>
>...
>debug1: channel 6: new [stdio-forward]
>select(..)
>select(..)
>debug2: channel_input_open_confirmation: channel 6: callback start
>debug2: channel_input_open_confirmation: channel 6: callback done
>debug2: channel 6: open confirm rwindow 2097152 rmax 32768
>debug2: channel 6: read failed
>debug2: chan_shutdown_read: channel 6: (i0 o0 sock -1 wfd 11 efd -1 [closed])
>debug3: DEBUG MARKER, close(11)
>debug2: channel 6: input open -> drain
>debug2: channel 6: write failed
>debug2: chan_shutdown_write: channel 6: (i1 o0 sock -1 wfd 13 efd -1 [closed])
>debug3: DEBUG MARKER, close(13)
>debug2: channel 6: output open -> closed
>debug3: DEBUG MARKER: before BUG
>13699 select(128, [4 5 6 8 9 10 11 12 16 17 19 20 22 23 25 26 28 29 31 32 34 35 37 38 40 41 43 44 46 47 49 50 52 53 55 56 58 59 61 62 63 65 67 68 70 71 73 74 76 77 79 81 83 84 85 86 88 89 90 92 93 95 97 98 100 101 103 104 106 109 110 112 115 116 118 120 126], [4 72 75 77 78 87 88 91 102 107 108 111 114 117 126], NULL, {tv_sec=20, tv_usec=0}) = -1 EBADF (Bad file descriptor)
>debug3: DEBUG MARKER: after BUG
>debug1: channel 6: free: direct-tcpip: listening port 0 for xxx.xxxxxx.xxx port 22, connect from 127.0.0.1 port 65535 to UNKNOWN port 65536, nchannels 76
>debug3: channel 6: status: The following connections are open:
>...
>

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