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authorZbigniew Jędrzejewski-Szmek <zbyszek@in.waw.pl>2013-07-14 23:36:14 -0400
committerZbigniew Jędrzejewski-Szmek <zbyszek@in.waw.pl>2013-07-14 23:53:45 -0400
commit6c5a28255bea4385289149b4617c86a24eec519f (patch)
treec5a793935691f511c89d0bd32a46f38b1da31075 /src/boot/boot.h
parentaedc2eddd16e48d468e6ad0aea2caf00c7d37365 (diff)
systemd: fix NULL dereference when disabling a nonexistent instance
Assertion 'p' failed at src/shared/path-util.c:51, function path_get_file_name(). Aborting. The unit file could not be found, and i->path would not be set. In 02b9e969 a code path was added which attempts to remove symlinks to a nonexistent (removed) unit file. This worked OK in case of non-instance services, but broke in the case of instance services. Behaviour wrt. to instance units is changed in the way that 02b9e969 changed it for non-instance units: it is now possible to remove instance symlinks to a template unit that has been removed. This patch isn't a full fix, because the behaviour wrt. to enabling and disabling instance units is still broken: e.g it is possible to start autovt@tty5.service, but it is not possible to enable it, because autovt@.service is a symlink, and on the other hand, disabling getty@tty5.service removes all symlinks to getty@.service, which is wrong too. But segfaults make bad pr, so let's add at least this partial fix for now.
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