[UBUNTU 24.04] Haskell LLVM Backend: Objects of data section are missing alignment
Bug #2052696 reported by
bugproxy
This bug affects 1 person
| Affects | Status | Importance | Assigned to | Milestone | |
|---|---|---|---|---|---|
| Ubuntu on IBM z Systems |
Fix Released
|
High
|
Skipper Bug Screeners | ||
| ghc (Ubuntu) |
Fix Released
|
Undecided
|
Unassigned | ||
Bug Description
Description:
Objects of the data section may be accessed through tagged pointers. Thus, those objects require a minimal alignment of 8 byte on a 64-bit architecture. Otherwise, this may lead to undefined behavior.
Solution:
commit
https:/
This patch resolves the alignment issue for all targets utilizing the LLVM backend. The fix was backported by upstream for ghc release 9.6 and 9.8 but not for 9.4.x which has landed in Noble.
| tags: | added: architecture-s39064 bugnameltc-205159 severity-high targetmilestone-inin--- |
| Changed in ubuntu: | |
| assignee: | nobody → Skipper Bug Screeners (skipper-screen-team) |
| affects: | ubuntu → linux (Ubuntu) |
Revision history for this message
| Simon Chopin (schopin) wrote | #1 |
Revision history for this message
| Frank Heimes (fheimes) wrote | #2 |
| no longer affects: | linux (Ubuntu) |
| Changed in ubuntu-z-systems: | |
| assignee: | nobody → Skipper Bug Screeners (skipper-screen-team) |
| status: | New → Triaged |
| importance: | Undecided → High |
| Changed in ghc (Ubuntu): | |
| status: | New → Triaged |
| tags: | added: noble |
| Changed in ghc (Ubuntu): | |
| status: | Triaged → Fix Committed |
| Changed in ubuntu-z-systems: | |
| status: | Triaged → Fix Committed |
Revision history for this message
| Launchpad Janitor (janitor) wrote | #3 |
| Changed in ghc (Ubuntu): | |
| status: | Fix Committed → Fix Released |
| Changed in ubuntu-z-systems: | |
| status: | Fix Committed → Fix Released |
| tags: |
added: targetmilestone-inin2404 removed: targetmilestone-inin--- |
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I might be missing something, but I don't think that's related to the kernel?