[El-errata] ELBA-2025-20220 Oracle Linux 9 dtrace bug fix update

[Errata Announcements for Oracle Linux]

Oracle Linux Bug Fix Advisory ELBA-2025-20220

http://linux.oracle.com/errata/ELBA-2025-20220.html

The following updated rpms for Oracle Linux 9 have been uploaded to the Unbreakable Linux Network:


x86_64:
dtrace-2.0.2-5.el9.x86_64.rpm
dtrace-devel-2.0.2-5.el9.x86_64.rpm
dtrace-testsuite-2.0.2-5.el9.x86_64.rpm


SRPMS:
http://oss.oracle.com/ol9/SRPMS-updates//dtrace-2.0.2-5.el9.src.rpm



Description of changes:

[2.0.2-1]
- Translators to support kernels 6.10 and later.
- FBT return probe argument support.
- The print() action is augmented with type information.  (Alan Maguire)
- Support to discover and trace USDT probes after a tracing session has
  started.  (Eugene Loh, Nick Alcock)
- USDT probe argument support (translated types, mapping).  (Nick Alcock)
- Installation locations are now configurable.  (Nick Alcock)
- Valgrind is no longer a required build dependency.  (Nick Alcock)
- Self-grabs have been improved.  (Nick Alcock)
- New provider: rawfbt.  (Kris Van Hees)
- Various bug fixes.  (Nick Alcock, Eugene Loh, Alan Maguire, Kris Van Hees)
- Various testsuite fixes and improvements.
  (Nick Alcock, Sam James, Eugene Loh, Kris Van Hees)
- Various code improvements.  (Nick Alcock, Eugene Loh, Kris Van Hees)
  [Orabug: 37274251]

[2.0.1-1]
- Implement FBT probes with fentry/fexit tracepoints
- Provide argument info for FBT probes.
- Provide pre-generated translator files sets. [Orabug: 36504847]

[2.0.0-1.14]
- Implement provider: io.  (Eugene Loh, Kris Van Hees)
- Implement actions: print().  (Alan Maguire)
- Implement subroutines: link_ntop(), cleanpath().  (Eugene Loh)
- Implement options: -xcpu, -xaggpercpu.  (Eugene Loh)
- Improve providers: pid (offset-based probes) and rawtp (arg info).
- Improve options: -xlockmem (improve default).  (Eugene Loh)
- Ensure USDT probes can survive dtprobed restarts.  (Nick Alcock)
- Improve USDT probe creation/deletion.  (Nick Alcock)
- Improve support for DTrace with upstream kernels.  (Nick Alcock)
- Improve support for compiling DTrace in older environments.  (Kris Van Hees)
- Add support for aggregations of stacks.  (Eugene Loh)
- Improve lexer parsing (top-level wildcard ambiguities and numerals).
  (Nick Alcock)
- Fix END probe execution with multiple tracers.  (Nick Alcock)
- Preemptive BPF program execution for DTrace probes is not allowed.
- Buffer overrun fix for systems with non-sequential online CPU ids.
  (Kris Van Hees, Nick Alcock) [Orabug: 36356681]
- Various bug fixes.  (Nick Alcock, Eugene Loh, Kris Van Hees)
- Various testsuite fixes and improvements.
  (Nick Alcock, Eugene Loh, Kris Van Hees)
- Various code improvements.  (Nick Alcock, Eugene Loh, Kris Van Hees)
  [Orabug: 36329725]

[2.0.0-1.13.2]
- Support using DTrace with upstream kernels.
- Implement provider: ip.
- Implement actions: trunc(), pcap().
- Implement subroutines: inet_ntoa6().
- Implement subroutines: inet_ntop(). (Eugene Loh)
- Support modules.builtin.ranges for builtin module-symbol association.
- Provide a BTF-to-CTF convertor to provide (limited) kernel type information
  when CTF is not available.
- Remove dependency on waitfd(). (Nick Alcock)
- Various testsuite fixes and improvements.
  (Nick Alcock, Eugene Loh, Kris Van Hees)
- Various code improvements. (Nick Alcock, Eugene Loh, Kris Van Hees)

[2.0.0-1.13.1]
- Restart dtprobed when upgrading DTrace.
- Report and clean up orphaned tracing events after each test.

[2.0.0-1.13]
- Full support for is-enabled USDT probes. (Nick Alcock)
- Report error on programs that exceed aggsize or dynvarsize.
- Support for drop counters for principal, speculation, and aggregation buffers
  and for dynamic variables.
- Implement probe: proc:::signal-clear.
- Implement provider: sched (partial implementation).
- Implement provider: lockstat (for kernels >= 5.10.0 and UEK6 with fix).
- Support NULL strings. (Eugene Loh)
- Support uregs[] on older kernels. (Eugene Loh)
- New option: lonknommap. (Nick Alcock)
- Support for USDT probes in programs in different fs namespaces. (Nick Alcock)
- Support for USDT probes in non-PIE executables. (Nick Alcock)
- Fix dtprobed to support DOF that exceeds 64KiB. (Nick Alcock)
  [Orabug: 35411920]
- Do not modify input files with dtrace -G if unchanged. (Steven Sistare)
  [Orbug: 35417184]
- Various testsuite fixes and improvements.
  (Nick Alcock, Eugene Loh, Kris Van Hees) [Orabug: 35435195]
- Various code improvements.  (Nick Alcock, Eugene Loh, Kris Van Hees)
  [Orabug: 35435195]

[2.0.0-1.12]
- Fix evaluation order of bcopy() arguments and lift non-alloca restriction
  on the source address. (Eugene Loh, Kris Van Hees)
- Implement actions: clear(), tracemem(). (Kris Van Hees, Eugene Loh)
- Implement subroutines: copyout(), copyinstr(). (Kris Van Hees, Eugene Loh)
- Implement options: switchrate, aggrate.
- Implement provider: cpc. (Eugene Loh)
- Implement provider: proc.
- Implement built-in variable: uregs. (Eugene Loh)
- Increase strtab maximum size.
- Support using indirect load instructions for pointers to alloca()'d and
  DTrace managed memory. (Kris Van Hees, Eugene Loh)
- Fix arg0 and arg1 for profile-* and tick-* probes. (Eugene Loh)
- Implement runtime bounds checking for scalar array access. (Eugene Loh)
- Updated manpage and moved to dtrace.8.
- Support arbitrary address pointers for basename(), dirname(), strchr(),
  strrchr(), and inet_ntoa(). (Eugene Loh) [Orabug: 34857846]
- Add runtime bounds checking for scalar array access. (Eugene Loh)
  [Orabug: 35045463]
- Various testsuite fixes and improvements. [Orabug: 34829509]
- Various code improvements. [Orabug: 34829509]