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-- You received this bug notification because you are a member of STS Sponsors, which is subscribed to the bug report. https://bugs.launchpad.net/bugs/1720627 Title: Segfault when using docker and overlay2 Status in sysstat package in Ubuntu: Fix Released Status in sysstat source package in Xenial: Fix Released Status in sysstat source package in Zesty: Fix Released Status in sysstat source package in Artful: Fix Committed Status in sysstat package in Debian: Fix Released Bug description: [Impact] * With long entries in mtab tools utilizing the get_filesystem_nr and read_filesystem functions cause a segfault due to a fact that they don't check strchr result for being null. [Test Case] * Have a long entry in /etc/mtab, e.g. overlay /var/lib/docker/overlay2/f23d2377a67b9ab1b49555ecd09b2ccdc03 7e0ee5d9e54f87e59f07f4398e71f/merged overlay rw,relatime,lowerdir=/v ar/lib/docker/overlay2/l/L6VKIYXWBQSJ5R7V35SS43R6Y6:/var/lib/docker/ overlay2/l/UCCHKGXUJPWCMLHR36IZJNNIQP:/var/lib/docker/overlay2/l/RKV YEXD2FH65FTMK76RDWPLESX:/var/lib/docker/overlay2/l/DX4JZRKTFP2GOO4V6 OWQ6CPJFY:/var/lib/docker/overlay2/l/6CYNWDKADUPPDZJ5IHOH2R7Y5S:/var /lib/docker/overlay2/l/JTPINUZIATXADL6XWFHG2OYGSF:/var/lib/docker/ov erlay2/l/OTSTIV5TTRHF4IUD7BODQ2FUON:/var/lib/docker/overlay2/l/QFNH3 EFS5EZGRTC4DPHU3PJ4TU:/var/lib/docker/overlay2/l/ZOOUKT2E5U4CSLP57Z7 MXYX5CD:/var/lib/docker/overlay2/l/3LUU6IDR2HWPTVBARC5K6XSMRC:/var/l ib/docker/overlay2/l/XOHYBP4RWXQKQZ43I7JKG24KE4:/var/lib/docker/over lay2/l/MN5M5B7AY5LPXQQC6V2MBJWWBF:/var/lib/docker/overlay2/l/3DRMKQ3 4AIZD2AROU3TVK3OCUT:/var/lib/docker/overlay2/l/73ZXDHBV6C53Q3SPXA57E OLGHU:/var/lib/docker/overlay2/l/C2IZBQ55EUTGEAAORSLE73ZPNM:/var/lib /docker/overlay2/l/ITHARNV7RPWN5S3BCZ2QDMZIMJ:/var/lib/docker/overla y2/l/TQKUV4LEG4AFUUCMFHHRLDBHAH:/var/lib/docker/overlay2/l/N75JZWPPD EKJ4DTN4GMEGTDIZL:/var/lib/docker/overlay2/l/QGUUYAETPMK643DG3AKWJAI IZA,upperdir=/var/lib/docker/overlay2/f23d2377a67b9ab1b49555ecd09b2c cdc037e0ee5d9e54f87e59f07f4398e71f/diff,workdir=/var/lib/docker/over lay2/f23d2377a67b9ab1b49555ecd09b2ccdc037e0ee5d9e54f87e59f07f4398e71 f/work 0 0 (the above is from the upstream bug description). * Run sadc -F -L -S DISK 1 1 /var/log/sysstat * Note a segfault in the log/console. [Regression Potential] * The fix is present upstream, so the behaviour will be consistent with the upstream version. * I don't see any potential regression manifestation, as this is a simple bugfix fixing ignoring function return values. [Other Info] Original bug description: This is the same bug as https://bugs.debian.org/cgi- bin/bugreport.cgi?bug=872926 which is fixed upstream by https://github.com/sysstat/sysstat/commit/d40c8ecc530303d7e802617f21a9ac85dbcd68bd Would it be possible to get this patch added? To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/sysstat/+bug/1720627/+subscriptions -- Mailing list: https://launchpad.net/~sts-sponsors Post to : [email protected] Unsubscribe : https://launchpad.net/~sts-sponsors More help : https://help.launchpad.net/ListHelp
