Bug 437881
| Summary: | ptrace: orig_rax 0x00000000ffffffff not recognized as -1 | ||
|---|---|---|---|
| Product: | Red Hat Enterprise Linux 4 | Reporter: | Jan Kratochvil <jan.kratochvil> |
| Component: | kernel | Assignee: | Jerome Marchand <jmarchan> |
| Status: | CLOSED ERRATA | QA Contact: | Martin Jenner <mjenner> |
| Severity: | low | Docs Contact: | |
| Priority: | low | ||
| Version: | 4.6 | CC: | jtluka, rlerch, roland, vgoyal |
| Target Milestone: | rc | ||
| Target Release: | --- | ||
| Hardware: | x86_64 | ||
| OS: | Linux | ||
| Whiteboard: | |||
| Fixed In Version: | Doc Type: | Bug Fix | |
| Doc Text: |
Previously, there was a missing sign extension in the x86_64 ptrace code that may have caused gdb to fail on the x86_64 architecture when debugging an i386 application. With this update, the missing sign extension is now correctly extended, which resolves this issue.
|
Story Points: | --- |
| Clone Of: | Environment: | ||
| Last Closed: | 2009-05-18 19:36:48 UTC | Type: | --- |
| Regression: | --- | Mount Type: | --- |
| Documentation: | --- | CRM: | |
| Verified Versions: | Category: | --- | |
| oVirt Team: | --- | RHEL 7.3 requirements from Atomic Host: | |
| Cloudforms Team: | --- | Target Upstream Version: | |
| Embargoed: | |||
| Bug Depends On: | 435000, 436183 | ||
| Bug Blocks: | 458752 | ||
|
Comment 1
Jerome Marchand
2008-06-25 08:29:14 UTC
This request was evaluated by Red Hat Product Management for inclusion in a Red Hat Enterprise Linux maintenance release. Product Management has requested further review of this request by Red Hat Engineering, for potential inclusion in a Red Hat Enterprise Linux Update release for currently deployed products. This request is not yet committed for inclusion in an Update release. Committed in 78.23.EL . RPMS are available at http://people.redhat.com/vgoyal/rhel4/ Release note added. If any revisions are required, please set the "requires_release_notes" flag to "?" and edit the "Release Notes" field accordingly. All revisions will be proofread by the Engineering Content Services team. New Contents: There is a missing sign extension in x86_64 compatibility ptrace code and x86_64 gdb sometimes fails when debugging i386 application because of it. The faulty 32 bits value is now properly extended and x86_64 gdb works correctly with i386 applications. Release note updated. If any revisions are required, please set the "requires_release_notes" flag to "?" and edit the "Release Notes" field accordingly. All revisions will be proofread by the Engineering Content Services team. Diffed Contents: @@ -1,2 +1 @@ -There is a missing sign extension in x86_64 compatibility ptrace code and x86_64 gdb sometimes fails when debugging i386 application because of it. +Previously, there was a missing sign extension in the x86_64 ptrace code that may have caused gdb to fail on the x86_64 architecture when debugging an i386 application. With this update, the missing sign extension is now correctly extended, which resolves this issue.-The faulty 32 bits value is now properly extended and x86_64 gdb works correctly with i386 applications. An advisory has been issued which should help the problem described in this bug report. This report is therefore being closed with a resolution of ERRATA. For more information on therefore solution and/or where to find the updated files, please follow the link below. You may reopen this bug report if the solution does not work for you. http://rhn.redhat.com/errata/RHSA-2009-1024.html |