strace 5.15 released

[Dmitry V. Levin]

Starting with version 4.13, strace follows the schedule of linux kernel
and new versions of strace are released along with new versions of linux
kernel, so strace 5.15 is tagged and uploaded.

strace 5.15 would not be as good as it is without significant assistance
by Eugene Syromyatnikov.

This release includes a definition-based syscall decoder generator
implemented by Srikavin Ramkumar as his GSoC 2021 project.

$ git tag -v v5.15 2> /dev/null | sed -n '/^$/,$p'

Noteworthy changes in strace 5.15 (2021-12-01)
==============================================

* Improvements
  * Implemented --strings-in-hex=non-ascii-chars option for using hexadecimal
    numbers instead of octal ones in escape sequences in the output strings.
  * Implemented --decode-pids=comm option (and its alias -Y) for printing
    command names for PIDs.
  * Implemented --decode-pids=pidns as an alias to --pidns-translation option.
  * Implemented printing of current working directory when AT_FDCWD constant
    is used with --decode-fds=path option enabled.
  * Improved printing of syscall names in places where the associated
    AUDIT_ARCH_* value is present (ptrace PTRACE_GET_SYSCALL_INFO request,
    SIGSYS siginfo_t).
  * Implemented decoding of process_mrelease syscall, introduced in Linux 5.15.
  * Implemented decoding of SECCOMP_GET_NOTIF_SIZES operation of seccomp
    syscall.
  * Implemented decoding of HDIO_*, KD*, and SECCOMP_* ioctl commands.
  * Implemented decoding of RTM_NEWCACHEREPORT, RTM_{NEW,DEL,GET}NEXTHOP,
    and RTM_{NEW,GET}STATS NETLINK_ROUTE netlink messages.
  * Implemented decoding of AF_ALG, AF_IEEE802154, AF_MCTP, AF_NFC, AF_QIPCRTR,
    AF_RRPC, AF_VSOCK, and AF_XDP socket addresses.
  * Implemented decoding of AF_BRIDGE and AF_MCTP protocols for IFLA_AF_SPEC
    netlink attribute.
  * Implemented decoding of IFLA_BR_MCAST_QUERIER_STATE, IFLA_BR_MULTI_BOOLOPT,
    IFLA_INET6_RA_MTU, IFLA_INFO_SLAVE_DATA, and IFLA_VFINFO_LIST netlink
    attributes.
  * Enhanced decoding of io_uring_register and times syscalls.
  * Enhanced IFLA_BR_FORWARD_DELAY, IFLA_BR_MAX_AGE, IFLA_EXT_MASK,
    IFLA_PROTINFO, *_INTVL, and *_TIMER netlink attribute decoding.
  * Enhanced decoding of AF_IPX and AF_NETLINK socket addresses.
  * Updated lists o AF_*, ARPHRD_*, BTRFS_*, DEVCONF_*, DM_*, ETH_P_*,
    FAN_REPORT_*, IORING_*, MOVE_MOUNT_*, MPOL_*, PACKET_*, RTM_*, SO_*,
    and XFRM_MSG_* constants.
  * Updated lists of ioctl commands from Linux 5.15.

* Bug fixes
  * Fixed printing of struct bpf_prog_info.map_ids array.
  * Fixed behaviour of "dev", "pidfd", and "socket" arguments of the --print-fds
    option to no longer imply the "path" argument.
  * Fixed insufficient buffer size used for network interface name printing,
    that previously led to assertions on attempts of printing interface names
    that require quoting, for example, names longer than 4 characters in -xx
    mode (addresses RHBZ bug #2028146).

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:

* Alex Xu (Hello71)
* Dmitry V. Levin
* Elvira Khabirova
* Eugene Syromyatnikov
* Gleb Fotengauer-Malinovskiy
* Masatake YAMATO
* Paulo Andrade
* Renaud Métrich
* Srikavin Ramkumar
* Victor Krapivensky
* Ákos Uzonyi

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


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