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d0b97f3891
This pull request contains the fix for an old and subtle bug in the migration path. css_sets are used to track tasks and migrations are tasks moving from a group of css_sets to another group of css_sets. The migration path pins all source and destination css_sets in the prep stage. Unfortunately, it was overloading the same list_head entry to track sources and destinations, which got confused for migrations which are partially identity leading to use-after-frees. Fixed by using dedicated list_heads for tracking sources and destinations. -----BEGIN PGP SIGNATURE----- iIQEABYIACwWIQTfIjM1kS57o3GsC/uxYfJx3gVYGQUCYs48bg4cdGpAa2VybmVs Lm9yZwAKCRCxYfJx3gVYGb+HAQDNfUNLYajLjwJNklQdu/S4fxsg0qiY6J8SVkpo NYP2zQEAjZmBdNnW8MqutETBCwKq8v80gCphIT/Z72NNPStqPgQ= =r72j -----END PGP SIGNATURE----- Merge tag 'cgroup-for-5.19-rc6-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/cgroup Pull cgroup fix from Tejun Heo: "Fix an old and subtle bug in the migration path. css_sets are used to track tasks and migrations are tasks moving from a group of css_sets to another group of css_sets. The migration path pins all source and destination css_sets in the prep stage. Unfortunately, it was overloading the same list_head entry to track sources and destinations, which got confused for migrations which are partially identity leading to use-after-frees. Fixed by using dedicated list_heads for tracking sources and destinations" * tag 'cgroup-for-5.19-rc6-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/cgroup: cgroup: Use separate src/dst nodes when preloading css_sets for migration |
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| include | ||
| init | ||
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| kernel | ||
| lib | ||
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| samples | ||
| scripts | ||
| security | ||
| sound | ||
| tools | ||
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| virt | ||
| .clang-format | ||
| .cocciconfig | ||
| .get_maintainer.ignore | ||
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| README | ||
Linux kernel
============
There are several guides for kernel developers and users. These guides can
be rendered in a number of formats, like HTML and PDF. Please read
Documentation/admin-guide/README.rst first.
In order to build the documentation, use ``make htmldocs`` or
``make pdfdocs``. The formatted documentation can also be read online at:
https://www.kernel.org/doc/html/latest/
There are various text files in the Documentation/ subdirectory,
several of them using the Restructured Text markup notation.
Please read the Documentation/process/changes.rst file, as it contains the
requirements for building and running the kernel, and information about
the problems which may result by upgrading your kernel.