ELBA-2025-20220

ELBA-2025-20220 - dtrace bug fix update

Type:	BUG
Impact:	NA
Release Date:	2025-04-08

Description

[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]

Updated Packages

Release/Architecture	Filename	sha256	Superseded By Advisory	Channel Label
Oracle Linux 9 (aarch64)	dtrace-2.0.2-5.el9.src.rpm	78fc22d69b9de100ffde47167b2c59d0ef115219d9c856476363dd7c7981b912	-	ol9_aarch64_appstream
	dtrace-2.0.2-5.el9.src.rpm	78fc22d69b9de100ffde47167b2c59d0ef115219d9c856476363dd7c7981b912	-	ol9_aarch64_baseos_latest
	dtrace-2.0.2-5.el9.src.rpm	78fc22d69b9de100ffde47167b2c59d0ef115219d9c856476363dd7c7981b912	-	ol9_aarch64_developer_UEKR8
	dtrace-2.0.2-5.el9.src.rpm	78fc22d69b9de100ffde47167b2c59d0ef115219d9c856476363dd7c7981b912	-	ol9_aarch64_u5_baseos_patch
	dtrace-2.0.2-5.el9.aarch64.rpm	a72a89cc3e21cd15cc101c0b50066a7027b500eb3714cad43282c017c7093f84	-	ol9_aarch64_baseos_latest
	dtrace-2.0.2-5.el9.aarch64.rpm	a72a89cc3e21cd15cc101c0b50066a7027b500eb3714cad43282c017c7093f84	-	ol9_aarch64_developer_UEKR8
	dtrace-2.0.2-5.el9.aarch64.rpm	a72a89cc3e21cd15cc101c0b50066a7027b500eb3714cad43282c017c7093f84	-	ol9_aarch64_u5_baseos_patch
	dtrace-devel-2.0.2-5.el9.aarch64.rpm	a26b033c2673bb19602addcc7beb600b91b1339ab4d5e14a80606ef0e582dae9	-	ol9_aarch64_appstream
	dtrace-devel-2.0.2-5.el9.aarch64.rpm	a26b033c2673bb19602addcc7beb600b91b1339ab4d5e14a80606ef0e582dae9	-	ol9_aarch64_developer_UEKR8
	dtrace-testsuite-2.0.2-5.el9.aarch64.rpm	5ba0de6ae56444749b0bf8f215260868dfcc7ecf7580f513c9d979e64e24c497	-	ol9_aarch64_appstream
	dtrace-testsuite-2.0.2-5.el9.aarch64.rpm	5ba0de6ae56444749b0bf8f215260868dfcc7ecf7580f513c9d979e64e24c497	-	ol9_aarch64_developer_UEKR8
Oracle Linux 9 (x86_64)	dtrace-2.0.2-5.el9.src.rpm	78fc22d69b9de100ffde47167b2c59d0ef115219d9c856476363dd7c7981b912	-	ol9_x86_64_UEKR7
	dtrace-2.0.2-5.el9.src.rpm	78fc22d69b9de100ffde47167b2c59d0ef115219d9c856476363dd7c7981b912	-	ol9_x86_64_developer_UEKR8
	dtrace-2.0.2-5.el9.x86_64.rpm	a2c1f74d6ec9e7313c3db212dc0eb16333fcee0739001dde67f61cf8a0c0e71f	-	ol9_x86_64_UEKR7
	dtrace-2.0.2-5.el9.x86_64.rpm	a2c1f74d6ec9e7313c3db212dc0eb16333fcee0739001dde67f61cf8a0c0e71f	-	ol9_x86_64_developer_UEKR8
	dtrace-devel-2.0.2-5.el9.x86_64.rpm	d03ddc0c1a749714b26f14a3fc6de9d1cd21f9e9e9e9dbf9f97fbf0a773162b2	-	ol9_x86_64_UEKR7
	dtrace-devel-2.0.2-5.el9.x86_64.rpm	d03ddc0c1a749714b26f14a3fc6de9d1cd21f9e9e9e9dbf9f97fbf0a773162b2	-	ol9_x86_64_developer_UEKR8
	dtrace-testsuite-2.0.2-5.el9.x86_64.rpm	f8cb97e42450c969ae787c2af710389a45a45106efbee000d0104639ad4434fd	-	ol9_x86_64_UEKR7
	dtrace-testsuite-2.0.2-5.el9.x86_64.rpm	f8cb97e42450c969ae787c2af710389a45a45106efbee000d0104639ad4434fd	-	ol9_x86_64_developer_UEKR8

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