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Message #32348
[Bug 1829860] Re: APT unlocks in same order as it locks
This bug was fixed in the package apt - 1.8.3
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apt (1.8.3) unstable; urgency=medium
[ Simon Körner ]
* http: Fix Host header in proxied https connections (LP: #1838771)
[ Brian Murray ]
* Do not include squashfs file systems in df output. (LP: #1756595)
apt (1.8.2) unstable; urgency=medium
[ Alwin Henseler ]
* Flip /: in documented default value of DPkg::Path (Closes: #917986)
[ TilmanK ]
* Fix typo in German manpage translation
[ Américo Monteiro ]
* Portuguese manpages translation update (Closes: #926614)
[ Jean-Pierre Giraud ]
* French manpages translation update (Closes: #929290)
[ Michael Zhivich ]
* methods: https: handle requests for TLS re-handshake (LP: #1829861)
[ Julian Andres Klode ]
* Unlock dpkg locks in reverse locking order (LP: #1829860)
-- Julian Andres Klode <juliank@xxxxxxxxxx> Fri, 09 Aug 2019 11:16:15
+0200
** Changed in: apt (Ubuntu Disco)
Status: Fix Committed => Fix Released
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https://bugs.launchpad.net/bugs/1829860
Title:
APT unlocks in same order as it locks
Status in apt package in Ubuntu:
Fix Released
Status in apt source package in Xenial:
New
Status in apt source package in Bionic:
Fix Released
Status in apt source package in Disco:
Fix Released
Bug description:
[Impact]
APT releases the locks in the same order it acquires them, rather than reverse order. Given that we have no waiting for locks, this is not _super_ problematic, but it might be wrong: You'd get a lock failure on dpkg's lock, rather than lock-frontend.
[Test case]
Watch lock release with strace and see that it unlocks the right way.
[Regression potential]
Some other locking races or something?
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