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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