ELBA-2022-9375

ELBA-2022-9375 - dtrace bug fix update

Type:	BUG
Severity:	NA
Release Date:	2022-05-12

Description

[2.0.0-1.10]
- Add support for assocaitive arrays.
- Add support for allcoa() and bcopy(). (Nick Alcock)
- Add support for inet_ntoa(), progenyof(), getmajor(), getminor(),
mutex_owned(), mutex_owner(), mutex_type_adaptive(), mutex_type_spin(),
rw_read_held(), rw_write_held(), and rw_iswriter(). (Eugene Loh)
- Improved fault handling. (Nick Alcock, Kris Van Hees)
- Various disassembler improvements, esp. annotations.
- Strings are no longer stored using a length prefix.
- The trace() action now supports arrays, structs, and unions.
- Various testsuite fixes and improvements. [Orabug: 34112342]
- Various code improvements. [Orabug: 34112342]

[2.0.0-1.9.1]
- Add support for UEK7. [Orabug: 33806867]

[2.0.0-1.9]
- Add support for strtok(). (Eugene Loh)
- Implement TLS (thread-local storage) variables.
- Add support for basename(), dirname(). (Eugene Loh)
- Generic hash table improvements and consistent use of htabs. (Nick Alcock)
- CTF improvements in view of better kernel support. (Nick Alcock)
- Add support for ftruncate(). (Eugene Loh)
- Add support for rand(). (Eugene Loh)
- Fix string constant handling for strings longer than strsize.
- Optimization of substr(), strjoin(), and storing strings in the trace buffer.
- Various string handling fixes and improvements. (Eugene Loh, Kris Van Hees)
[Orabug: 33651682]
- Various testsuite fixes and improvements. [Orabug: 33651682]
- Various code improvements. [Orabug: 33651682]

[2.0.0-1.8]
- Support running dtrace under valgrind. (Nick Alcock) [Orabug: 32760574]
- Implementation of speculative tracing. (Nick Alcock)
- Add support for string comparison. (Eugene Loh)
- Add support for strchr(), strrchr(), index(), rindex(), strstr(), lltostr().
(Eugene Loh)
- Add support for symbols in compressed kernel modules. (Nick Alcock)
- Add support for htonl, htonll, htons, ntohl, ntohll, ntohs. (Eugene Loh)
- Various testsuite fixes and improvements. [Orabug: 33474154]
- Various code improvements. [Orabug: 33474154]

[2.0.0-1.7]
- Implement argument retrieval for SDT probes.
- Introduce 'bpflog' runtime option to request BPF verifier log.
- Implementation improvements for memry copy operations.
- Fix type alignment handling for enums.
- Fix ERROR-in-BEGIN probe handling.
- Transition from variable-length string size to 2-byte string size.
- Fix size of string data in the trace output buffer.
- Fix data size for value copy.
- Add support for strjoin() subroutine.
- Add support for substr() subroutine.

[2.0.0-1.6]
- Consolidated development of newly ported features. [Orabug: 33037106]
- Implement built-in variables: probeprov, probemod, probefunc, probename.
- Implement built-in variables: caller, stackdepth, ucaller, ustackdepth,
errno, walltimestamp. (Eugene Loh)
- Implement actions: stack(), ustack(). (Eugene Loh)
- Implement subroutine: strlen().
- Implement option: -Z (partial). (Eugene Loh)
- Added support for string constants and string values.
- Added support for strings to trace().
- Fixed storage size determination for global and local variables.
- Improved storage layout for global and local variables.
- Mark aggregation actions as non-data recording actions. (Eugene Loh)
- Load string constant table into the 'strtab' BPF map.
- Load probe description data into the 'probes' BPF map.
- Consolidate all string hash functions into a single hash function.
- Implement variable length integer support.
- Store the length of each string as a variable length integer inline with its
character stream.
- Improve memcpy() internal BPF function.
- Testsuite improvements. (Eugene Loh)

Updated Packages

Release/Architecture	Filename	MD5sum	Superseded By Advisory
Oracle Linux 8 (aarch64)	dtrace-2.0.0-1.10.el8.src.rpm	e47455b238431a36363d5c7968855e13	-
	dtrace-2.0.0-1.10.el8.aarch64.rpm	58ebcc4c0fd39f9cd329c26a5f9a89f7	-
	dtrace-devel-2.0.0-1.10.el8.aarch64.rpm	6f3471e9b5989211da0eeed3acc52e57	-
	dtrace-testsuite-2.0.0-1.10.el8.aarch64.rpm	62dba23b6b43675444930c6cd70c6d70	-
Oracle Linux 8 (x86_64)	dtrace-2.0.0-1.10.el8.src.rpm	e47455b238431a36363d5c7968855e13	-
	dtrace-2.0.0-1.10.el8.x86_64.rpm	b636a5701c97a92065f883a5184fb0d1	-
	dtrace-devel-2.0.0-1.10.el8.x86_64.rpm	0f127f1994df9d64d772a50c1a2154b1	-
	dtrace-testsuite-2.0.0-1.10.el8.x86_64.rpm	802187b602b2bfd37819d473a06becd2	-

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