Naohiro Aota 80b2ab4bc0 cgtop: initialize `ours' to NULL properly (#3139)
Running cgtop on a system, which lacks expecting stat file, results in a
segfault. For example, a system with blkio tree but without cfq io scheduler,
lacks "blkio.io_service_bytes".

When the targeting cgroup's file does not exist, process() returns 0 and
also does not modify `*ret' value (which is `*ours'). As a result,
callers of refresh_one() can have bogus pointer, which result in SEGV.

This patch just properly initialize the variable to NULL.
2016-04-28 11:41:50 -04:00
2015-07-06 17:47:38 +02:00
2016-02-12 19:10:01 +01:00
2016-02-23 13:30:09 +01:00
2015-08-31 18:12:37 +02:00
2015-06-03 00:22:53 +02:00
2014-06-04 15:41:10 -04:00
2016-04-12 13:43:31 +02:00
2016-04-22 16:18:32 +02:00

systemd - System and Service Manager

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