GNU GRUB - Bugs: bug #39556, Video modules are not unloaded...
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bug #39556: Video modules are not unloaded properly
Submitter: | <qwertial> | ||
Submitted: | Tue 23 Jul 2013 04:34:20 PM UTC | ||
Category: | None | Severity: | Major |
Priority: | 5 - Normal | Item Group: | Software Error |
Status: | Fixed | Privacy: | Public |
Assigned to: | None | Originator Name: | |
Open/Closed: | Closed | Release: | Bazaar - trunk |
Release: | Reproducibility: | None | |
Planned Release: | None |
No files currently attached
Depends on the following items: None found
Items that depend on this one: None found
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Follow 2 latest changes.
Date | Changed by | Updated Field | Previous Value | => | Replaced by |
---|---|---|---|---|---|
2013-07-25 | phcoder | Status | None | Fixed | |
Open/Closed | Open | Closed |
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Corresponding source code
Steps:
0. insmod several video modules.
1. Run videoinfo.
2. rmmod a random video module.
3. Run videoinfo again. Observe that the video adapter did not disappear from the list.
Doing this a few times may even trick GRUB into running an infinite loop.
In include/grub/video.h, routine grub_video_register should initialise adapter->prev to p. Otherwise grub_list_remove is unable to remove all references to the grub_video_adapter_t structure.