Noteworthy changes in strace 5.4 (2019-11-28)

• Improvements

  • Implemented -DD and -DDD options that move strace into a separate
    process group and session, respectively.
  • Enhanced seccomp-bpf tracee syscall filtering support by implementing
    new "binary match" BPF program generation strategy and automatically
    choosing the strategy that generates the shortest BPF program.
  • Implemented decoding of BPF_BTF_GET_NEXT_ID bpf syscall command.
  • Enhanced decoding of BPF_MAP_LOOKUP_ELEM bpf syscall command.
  • Implemented PTP_CLOCK_GETCAPS2, PTP_EXTTS_REQUEST2, PTP_PEROUT_REQUEST2,
    PTP_ENABLE_PPS2, and PTP_SYS_OFFSET2 ioctl decoding.
  • Updated lists of BPF_*, CAN_*, KEXEC_*, KVM_*, MADV_*, MSG_*, P_*, PR_*,
    PTP_*, SCTP_*, and V4L2_* constants.
  • Implemented ability to build ARM EABI mpers support using a separate
    compiler on aarch64.
  • Updated lists of ioctl commands from Linux 5.4.
  • Enhanced manual page.

• Bug fixes

  • Fixed -b execve when --seccomp-bpf option is specified.
  • Fixed decoding of BPF_PROG_LOAD bpf syscall command.
  • Fixed build on no-MMU architectures.
  • Fixed build on antique systems that do not provide necessary definitions
    of AUDIT_ARCH_* constants.

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
• Baruch Siach
• Dmitry V. Levin
• Elvira Khabirova
• Eugene Syromyatnikov
• Fanda Uchytil
• Gleb Fotengauer-Malinovskiy
• Paul Chaignon

Please refer to the CREDITS file for the full list of strace contributors.

Downloads

Please ignore so called "Source code" links provided by github, they are useless.