Red Hat Bugzilla – Bug 235545
utrace: ptrace operations should work on child in job control stop
Last modified: 2007-11-30 17:07:43 EST
+++ This bug was initially created as a clone of Bug #235521 +++
Description of problem:
Found a regression against kernel.org in RH kernels utrace based implementation
See bug 235521 for test case and details.
This bugzilla has Keywords: Regression.
Since no regressions are allowed between releases,
it is also being proposed as a blocker for this release.
Please resolve ASAP.
This request was evaluated by Red Hat Kernel Team for inclusion in a Red
Hat Enterprise Linux maintenance release, and has moved to bugzilla
[root@test183 tests]# diff out.2.6.18-*
< PASS: frysk4330/stopkills
> FAIL: frysk4330/stopkills
[root@test183 tests]# echo diff out.2.6.18-*
diff out.2.6.18-43.el5 out.2.6.18-8.el5
the failure mode according to strace is the ptrace(PTRACE_DETACH,...) call is
failing with a -ESRCH (No such process), with the -8 kernel. Exits cleanly with
the -43 kernel
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 the 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.