Noteworthy changes in strace 5.5 (2020-02-06)
=============================================
* Improvements
* Added -e trace=%creds option for tracing syscalls related to process
credentials.
* Enhanced decoding of arch_prctl, keyctl, io_uring_register, io_uring_setup,
and perf_event_open syscalls.
* Enhanced decoding of BPF_PROG_LOAD bpf syscall command.
* Updated decoding of clone3 syscall to match Linux 5.5.
* Implemented decoding of TCA_ACT_FLAGS and TCA_STATS_PKT64 netlink
attributes.
* Updated lists of AUDIT_*, BPF_*, CLONE_*, KEY_*, KVM_*, PPC_PTRACE_*,
SCTP_*, STATX_*, TIPC_*, V4L2_*, and *_MAGIC constants.
* Updated lists of ioctl commands from Linux 5.5.
* Enhanced manual page and "strace --help" output.
* Bug fixes
* Fixed stack trace printing for early syscalls when strace is configured
to use libdw backend for stack tracing (addresses Fedora bug #1788636).
* Fixed stack trace caching when --seccomp-bpf option is specified.
* Fixed potentially unaligned access in decoder of SO_TIMESTAMP*_NEW
control messages.
* Fixed decoding of NDA_LLADDR netlink neighbor table attribute.
* Fixed build of mpers support when CFLAGS contains -flto.
* Fixed build on no-MMU architectures.
* Fixed build with glibc-2.31 and Linux kernel headers < 5.3.
* Fixed tests for glibc-2.31.
Contributors
============
This release was made possible by the contributions of many people.
The maintainers are grateful to everyone who has contributed
changes or bug reports. These include:
* Andreas Schwab
* Andrey Zax
* Baruch Siach
* Chunmei Xu
* Dmitry V. Levin
* Eugene Syromyatnikov
* Gleb Fotengauer-Malinovskiy
* Jamal Hadi Salim
* Khem Raj
* Paul Chaignon
* Pavel Zhukov
* Quentin Monnet
* Rich Felker
* Thomas Deutschmann
* Vineet Gupta
* Vladimir D. Seleznev
Please refer to the CREDITS file for the full list of strace contributors.