Package: amanda-client
Version: 1:3.3.1-4
Severity: normal
Since switching to bsdtcp, routine security scans have caused amandad to get
stuck doing this:
read(0, "", 253605) = 0
poll([{fd=0, events=POLLIN}], 1, -1) = 1 ([{fd=0, revents=POLLIN}])
read(0, "", 253605) = 0
poll([{fd=0, events=POLLIN}], 1, -1) = 1 ([{fd=0, revents=POLLIN}])
read(0, "", 253605) = 0
poll([{fd=0, events=POLLIN}], 1, -1) = 1 ([{fd=0, revents=POLLIN}])
read(0, "", 253605) = 0
poll([{fd=0, events=POLLIN}], 1, -1) = 1 ([{fd=0, revents=POLLIN}])
read(0, "", 253605) = 0
poll([{fd=0, events=POLLIN}], 1, -1) = 1 ([{fd=0, revents=POLLIN}])
read(0, "", 253605) = 0
poll([{fd=0, events=POLLIN}], 1, -1) = 1 ([{fd=0, revents=POLLIN}])
read(0, "", 253605) = 0
poll([{fd=0, events=POLLIN}], 1, -1) = 1 ([{fd=0, revents=POLLIN}])
read(0, "", 253605) = 0
poll([{fd=0, events=POLLIN}], 1, -1) = 1 ([{fd=0, revents=POLLIN}])
read(0, "", 253605) = 0
poll([{fd=0, events=POLLIN}], 1, -1) = 1 ([{fd=0, revents=POLLIN}])
read(0, "", 253605) = 0
poll([{fd=0, events=POLLIN}], 1, -1) = 1 ([{fd=0, revents=POLLIN}])
read(0, "", 253605) = 0
poll([{fd=0, events=POLLIN}], 1, -1) = 1 ([{fd=0, revents=POLLIN}])
read(0, "", 253605) = 0
poll([{fd=0, events=POLLIN}], 1, -1) = 1 ([{fd=0, revents=POLLIN}])
read(0, "", 253605) = 0
poll([{fd=0, events=POLLIN}], 1, -1) = 1 ([{fd=0, revents=POLLIN}])
read(0, "", 253605) = 0
poll([{fd=0, events=POLLIN}], 1, -1) = 1 ([{fd=0, revents=POLLIN}])
read(0, "", 253605) = 0
poll([{fd=0, events=POLLIN}], 1, -1) = 1 ([{fd=0, revents=POLLIN}])
read(0, "", 253605) = 0
The relevant amandad process uses up all the CPU time that it can, taking the
load average to 1.
The scan is coming from a system which is not listed in /etc/amandahosts but
which tcp_wrappers will allow to connect.
I hope to have packet captures that will cause this once I can coordinate with
the relevant folks to have tcpdump running during a scan.
-- System Information:
Debian Release: 7.0
APT prefers testing
APT policy: (500, 'testing')
Architecture: amd64 (x86_64)
Kernel: Linux 3.2.0-4-amd64 (SMP w/1 CPU core)
Locale: LANG=en_US.UTF-8, LC_CTYPE=en_US.UTF-8 (charmap=UTF-8)
Shell: /bin/sh linked to /bin/dash
Versions of packages amanda-client depends on:
ii amanda-common 1:3.3.1-4
ii libc6 2.13-37
ii libcurl3 7.26.0-1+wheezy1
ii libglib2.0-0 2.33.12+really2.32.4-3
ii libreadline6 6.2+dfsg-0.1
ii libssl1.0.0 1.0.1c-4
amanda-client recommends no packages.
Versions of packages amanda-client suggests:
pn dump <none>
pn gnuplot <none>
ii smbclient 2:3.6.6-5
-- no debconf information
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