Tags give the ability to mark specific points in history as being important
-
v4.21
51630c20 · ·NEWS for strace version 4.21 ============================ * Changes in behaviour * Warning is now issued when -F option is used. * Warning is now issued when a tracee with unsupported personality is attached. * Unknown syscall numbers are now printed in hexadecimal form. * Improvements * Implemented decoding of netlink descriptor attributes as file descriptors. * Implemented decoding of hugetlb page size selection flags. * Implemented decoding of BPF_PROG_TEST_RUN, BPF_PROG_GET_NEXT_ID, BPF_MAP_GET_NEXT_ID, BPF_PROG_GET_FD_BY_ID, BPF_MAP_GET_FD_BY_ID, and BPF_OBJ_GET_INFO_BY_FD commands of bpf syscall. * Enhanced decoding of get_thread_area, memfd_create, modify_ldt, perf_event_open, reboot, s390_guarded_storage, s390_pcio_mmio_read, s390_pci_mmio_write, s390_runtime_instr, s390_sthyi, set_thread_area, and shmget syscalls. * Implemented decoding of KVM_* and DM_LIST_DEVICES ioctl commands. * Implemented decoding of riscv_flush_icache syscall. * Enhanced decoding of getsockopt and setsockopt syscalls for SOL_NETLINK level. * Enhanced decoding of BPF_MAP_CREATE command of bpf syscall. * Print values returned by mq_open syscall and first arguments of mq_getsetattr, mq_notify, mq_timedreceive, and mq_timedsend syscalls as file descriptors. * Added decoding of get_tls syscall on arm. * Added -e trace=%pure option for tracing system calls with no arguments that never fail. * Updated lists of IPV6_*, MAP_*, MEMBARRIER_CMD_*, MSG_*, NT_*, PKEY_*, SHM_*, and TCP_* constants. * Added manual page for the strace-log-merge command. * Updated lists of ioctl commands from Linux 4.15. * Implemented biarch support for s390x. * Implemented an optional support for symbol demangling in strace -k output (activated by --with-libiberty configure option). * Information about availability of demangling and reliable personality decoding (on architectures with multiple personalities) is now available in strace -V output. * Added decoding of pkey_alloc, pkey_free, and pkey_mprotect syscalls on powerpc and powerpc64. * Enhanced manual page. * Bug fixes * Fixed multi-personality support in cross builds. * Added mq_getsetattr, mq_notify, mq_open, mq_timedreceive, and mq_timedsend syscalls to %desc tracing set. * Fixed path tracing support for mmap syscalls with indirect arguments and for old select syscall. * Fixed decoding of arm-specific (__ARM_NR_*) syscalls. * Fixed open mode flags decoding. * Fixed corner cases in handling of strace -ff -ttt logs by strace-log-merge. * Error counts that exceed one billion are now printed correctly in call summary output. * Fixed call summary header for x32 personality. * Changes of tracee personalities are reported more reliably. * Fixed the case when strace attaches to a tracee being inside exec and its first syscall stop is syscall-exit-stop instead of syscall-enter-stop, which messed up all the syscall state tracking. * Fixed printing of higher 32 bits of the return value for x32 personality. * Portability * A C compiler that supports "for" loop initial declarations is now required. * Inability to configure multiple personality support on architectures where multiple personalities are supported leads to configuration failure during build now. Use --enable-mpers=check to revert to the old behaviour. * Build-time requirement for the mpers support has been lowered from gawk 4 to gawk 3. * Removed incomplete and non-functional support for the CRIS architecture. * Removed incomplete and unused support for IA-32 mode on the IA-64 architecture. 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: Chen Jingpiao DJ Delorie Dmitry V. Levin Elvira Khabirova Eugene Syromyatnikov Gleb Fotengauer-Malinovskiy Harsha Sharma Lubomir Rintel Masatake YAMATO Nikolay Marchuk Rolf Eike Beer Victor Krapivensky Vitaly Chaykovsky -
v4.20
c9920257 · ·NEWS for strace version 4.20 ============================ * Improvements * Implemented decoding of NETLINK_NETFILTER netlink message types and flags. * Implemented decoding of SECCOMP_GET_ACTION_AVAIL operation of seccomp syscall. * Updated lists of ARPHRD_*, BPF_*, ETH_P_*, LOOP_*, MADV_*, MEMBARRIER_CMD_*, MFD_*, SECCOMP_*, SO_*, SOL_*, TCP_*, and UFFD_FEATURE_* constants. * Added decoding of statx syscall on hppa. * Updated lists of ioctl commands from Linux 4.14. * Bug fixes * Fixed powerpc personality support on powerpc64. 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: Baruch Siach Dmitry V. Levin Eugene Syromyatnikov Gleb Fotengauer-Malinovskiy JingPiao Chen Steve McIntyre -
v4.19
af9010e6 · ·NEWS for strace version 4.19 ============================ * Changes in behaviour * Changed formatting of personality names on tile architecture in order to make it in line with other multi-personality architectures. * Changed field output order in struct v4l2_requestbuffers to improve in/out field formatting. * Changed handling of multiple signal= specifications in an injection expression: multiple specification now leads to error instead of implicit usage the last specification. * Improvements * Enhanced decoding of optlen argument of getsockopt syscall. * Enhanced decoding of SO_LINGER option of getsockopt and setsockopt syscalls. * Enhanced decoding of SO_PEERCRED option of getsockopt syscall. * Enhanced decoding of IP_ADD_MEMBERSHIP, IP_DROP_MEMBERSHIP, IPV6_ADD_MEMBERSHIP, IPV6_DROP_MEMBERSHIP, IPV6_JOIN_ANYCAST, IPV6_LEAVE_ANYCAST, MCAST_JOIN_GROUP, and MCAST_LEAVE_GROUP options of setsockopt syscall. * Enhanced decoding of KEYCTL_DH_COMPUTE operation of keyctl syscall (KDF parameters decoding). * Implemented decoding of KEYCTL_RESTRICT_KEYRING operation of keyctl syscall. * Enhanced decoding of UFFDIO_API ioctl command. * Enhanced decoding of BPF_PROG_LOAD, BPF_MAP_CREATE, BPF_MAP_LOOKUP_ELEM, and BPF_MAP_GET_NEXT_KEY commands of bpf syscall. * Implemented decoding of linux socket filter programs specified for SO_ATTACH_FILTER and SO_ATTACH_REUSEPORT_CBPF socket options. * Implemented decoding of inet_diag_req_v2, inet_diag_req_compat, packet_diag_msg, and smc_diag_msg netlink attributes of NETLINK_SOCK_DIAG. * Implemented NETLINK_SELINUX protocol specific decoding. * Implemented decoding of netlink message ack flags. * Implemented decoding of nlmsgerr netlink attributes. * Implemented basic protocol specific decoding of NETLINK_CRYPTO. * Implemented decoding of crypto_user_alg netlink attributes of NETLINK_CRYPTO. * Implemented basic protocol specific decoding of addr, addrlabel, dcb, link, mdb, neigh, neightbl, netconf, nsid, route, rule, tc, and tca messages of NETLINK_ROUTE. * Implemented decoding of NETLINK_KOBJECT_UEVENT messages. * Improved handling of unexpected tracees (the ones that cloned with CLONE_PARENT/CLONE_PTRACE or called PTRACE_TRACEME on themselves): they are now PTRACE_DETACH'ed instead of PTRACE_CONT'ed. * Updated lists of BPF_*, KEY_*, RWF_*, SCM_*, SO_*, and *_MAGIC constants. * Added decoding of arch_prctl syscall on x86. * Added decoding of seccomp, bpf, userfaultfd, membarrier, mlock2, copy_file_range, preadv2, pwritev2, and statx on alpha. * Added decoding of statx syscall on microblaze. * Added decoding of s390_guarded_storage syscall on s390. * Updated lists of ioctl commands from Linux 4.13. * Enhanced manual page. * Bug fixes * Fixed printing of group_req structure on non-native personalities. * Fixed output formatting of blkpg_ioctl_arg, dm_name_list, and iocb structures. * Fixed formatting of nul-terminated strings which have kernel-imposed size limit. * Fixed printing of paths that hit PATM_MAX limit in order to match kernel's behaviour. * Fixed build warnings on Android mips64. * Fixed unused function "is_negated_errno" build warning when built with clang. * Fixed syscall number and arguments retrieval behaviour on sparc64 and mips o32 after prctl(PR_SET_DUMPABLE, 0) makes PTRACE_PEEKTEXT impossible to use if Linux kernel has commit v4.10-rc1~114^2~2. * Fixed path tracing for execveat, symlink, symlinkat, inotify_add_watch, and inotify_init syscalls. * Fixed personality switch printing on sparc64 and risc-v. 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: Anatoly Pugachev Dmitry V. Levin Edgar Kaziakhmedov Eugene Syromyatnikov Fabien Siron Gleb Fotengauer-Malinovskiy JingPiao Chen Lazar Trsic Nikolay Marchuk Victor Krapivensky -
v4.18
c136e9e4 · ·NEWS for strace version 4.18 ============================ * Improvements * Implemented decoding of SCM_TIMESTAMP* control messages. * Implemented decoding of netlink NLMSG_DONE messages. * Implemented decoding of netlink generic nlmsg_type and nlmsg_flags. * Implemented decoding of NETLINK_AUDIT, NETLINK_NETFILTER, NETLINK_ROUTE, NETLINK_SELINUX, NETLINK_SOCK_DIAG, and NETLINK_XFRM message types. * Implemented decoding of NETLINK_GENERIC protocol families. * Implemented basic protocol specific decoding of AF_INET, AF_INET6, AF_NETLINK, AF_PACKET, AF_SMC, and AF_UNIX messages of NETLINK_SOCK_DIAG. * Implemented basic decoding of netlink attributes. * Implemented basic protocol specific decoding of AF_INET, AF_NETLINK, AF_PACKET, AF_SMC, and AF_UNIX netlink attributes of NETLINK_SOCK_DIAG. * Implemented decoding of inet_diag_msg, netlink_diag_msg, and unix_diag_msg netlink attributes of NETLINK_SOCK_DIAG. * Updated lists of ARPHRD_*, KEYCTL_*, NDIAG_SHOW_*, RTM_*, SCM_*, SCTP_*, SO_*, V4L2_*, and prctl ARCH_* constants. * Updated lists of ioctl commands from Linux 4.12. * Bug fixes * In interactive mode (-I2), those signals that were blocked at startup will remain blocked for the whole period of strace execution. * strace no longer resets SIGCHLD handler in tracees to the default action. * When traced command is terminated by a blocked signal, strace unblocks that signal to ensure its own termination with the same signal. * Fixed corner cases in decoding of old sigaction syscall. * Fixed build with old kernel headers on mips. * Fixed build on aarch64 and tile with glibc >= 2.26. * Fixed build on arc and nios2. 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 David Robins Dmitry V. Levin Eugene Syromyatnikov Eugeniy Paltsev Fabien Siron Gleb Fotengauer-Malinovskiy JingPiao Chen Khem Raj Masatake YAMATO Miroslav Lichvar Romain Naour Victor Krapivensky -
v4.17
23ed9034 · ·NEWS for strace version 4.17 ============================ * Changes in command line syntax * Syscall classes specified in -e trace= option now have % prefix (like -e trace=%process). Old style class names without leading % are still supported, but considered deprecated now. * Improvements * Optimized syscall filtering. * Improved representation of timestamps. * Enhanced decoding of sched_setattr syscall. * Added -e trace=%stat option for tracing variants of stat syscall. * Added -e trace=%lstat option for tracing variants of lstat syscall. * Added -e trace=%fstat option for tracing variants of fstat and fstatat syscalls. * Added -e trace=%%stat option for tracing syscalls used for querying file status information (stat, lstat, fstat, fstatat, statx, and their variations). * Added -e trace=%statfs option for tracing statfs, statfs64 and statvfs syscalls. * Added -e trace=%fstatfs option for tracing fstatfs, fstatfs64 and fstatvfs syscalls. * Added -e trace=%%statfs option for tracing syscalls used for querying file system statistics information (statfs-like, fstatfs-like and ustat). * Added -e trace=/regex option for filtering syscalls using regular expressions. * Added support for prepending of question mark before syscall qualification in -e trace expressions in order to suppress error in case no syscalls matched the provided qualification. * Implemented decoding of signal mask in rt_sigreturn syscall on alpha, arc, arm, avr32, bfin, cris, hppa, m68k, metag, microblaze, mips, nios2, or1k, powerpc, powerpc64, riscv, sh, sh64, sparc, sparc64, tile, x86, and xtensa architectures. * Implemented decoding of statx syscall. * Implemented decoding of NS_* ioctl commands. * Implemented decoding of the remaining V4L2_BUF_TYPE_* types. * Implemented decoding of VIDIOC_[SG]_TUNER ioctl commands. * Implemented decoding of NLMSG_ERROR netlink messages. * Improved decoding of BPF_PROG_ATTACH command of bpf syscall. * Improved decoding of misplaced parts in DM_* ioctl commands. * Updated lists of ioctl commands from Linux 4.11. * Bug fixes * Fixed decoding of flags argument of preadv2 and pwritev2 syscalls on x32. * Fixed the number of arguments and tracing flags of alpha specific syscalls. * Fixed decoding of old sigsuspend syscall on alpha, cris, mips, powerpc, powerpc64, sh, sh64, sparc, and sparc64. * Fixed decoding of sgetmask and ssetmask syscalls on 64-bit architectures. * Fixed decoding of netlink messages received within struct msghdr. * Worked around a bug in miscompiled aarch64 kernels leading to the 3rd argument of sched_getattr syscall being not quite 32-bit. * Fixed corner cases of printing inaccessible times argument of utimes and futimesat syscalls. 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: Abhishek Tiwari <erabhishektiwarics@gmail.com> Andreas Schwab <schwab@suse.de> Damien Profeta <damien.profeta@amadeus.com> Dmitry V. Levin <ldv@altlinux.org> Edgar Kaziahmedov <edos@linux.com> Elvira Khabirova <lineprinter0@gmail.com> Eugene Syromyatnikov <evgsyr@gmail.com> Gleb Fotengauer-Malinovskiy <glebfm@altlinux.org> JingPiao Chen <chenjingpiao@gmail.com> Md Haris Iqbal <haris.phnx@gmail.com> Nikolay Marchuk <marchuk.nikolay.a@gmail.com> Quentin Monnet <quentin.monnet@6wind.com> Rishi Bhatt <bhatt.rishi062@gmail.com> Sandhya Bankar <bankarsandhya512@gmail.com> Victor Krapivensky <krapivenskiy.va@phystech.edu> -
v4.16
b13da867 · ·NEWS for strace version 4.16 ============================ * Improvements * Implemented syscall return value injection (-e inject=SET:retval= option). * Implemented signal injection (-e inject=SET:signal= option). * Implemented decoding of SUID_DUMP_* constants in PR_[GS]ET_DUMPABLE. * Implemented decoding of all SG_* ioctl commands. * Implemented decoding of ustat syscall. * Implemented decoding of BPF_OBJ_PIN, BPF_OBJ_GET, BPF_PROG_ATTACH, and BPF_PROG_DETACH commands of bpf syscall. * Enhanced decoding of sg_io_hdr and sg_io_v4 structures. * Enhanced decoding of get_robust_list, getrandom, io_submit, set_robust_list syscalls. * Enhanced decoding of entities of kernel long type on x32 and mips n32 ABIs. * Updated lists of IP_*, IPV6_*, and LOOP_* constants. * Updated lists of ioctl commands from Linux 4.10. * Added decoding of recently added syscalls on avr32, microblaze, ppc, and ppc64. * Bug fixes * Fixed pathmatch of oldselect syscall on 64-bit architectures. * Fixed decoding of mmap2 syscall on s390 when arguments are not available. * Fixed decoding of kexec_file_load, mprotect, pkey_mprotect, prctl, preadv*, and pwritev* syscalls on x32. * Fixed printing of string arguments of getxattr and setxattr syscalls when -s option is used to limit the printed string size. * Fixed decoding of ifconf, ifreq, and loop_info structures on non-native personalities. * Fixed decoding of SG_* and LOOP_* ioctl commands. * Fixed build on mips with musl libc. * Fixed cross-building of ioctlsort. * Applied minor formatting fixes to the manual page. 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: Alexey Neyman Andre McCurdy Dmitry V. Levin Elvira Khabirova Eugene Syromyatnikov Gabriel Laskar Gleb Fotengauer-Malinovskiy Jacob Goense James Cowgill JingPiao Chen Joakim Bech Quentin Monnet Seraphime Kirkovski Марк Коренберг -
v4.15
3a838cd3 · ·NEWS for strace version 4.15 ============================ * Changes in behavior * Time stamps are now printed according to ISO 8601. * Changed output format of val3 parameter of futex FUTEX_WAKE_OP operation. * The last argument of mincore, sched_getaffinity, and sched_setaffinity syscalls is now formatted as an array. * Improvements * Implemented syscall fault injection (-e fault=... option). * Implemented decoding of DM_* ioctl commands. * Implemented decoding of attr parameter of perf_event_open syscall. * Implemented decoding of pkey_alloc, pkey_free, and pkey_mprotect syscalls. * Implemented dumping of mq_timedsend and mq_timedreceive syscalls. * Implemented decoding of PR_SET_FP_MODE and PR_GET_FP_MODE operations of prctl syscall. * Implemented PTRACE_GETREGS API support on m68k. * Updated lists of ARCH_*, BPF_*, BTRFS_*, FALLOC_*, MS_*, *_MAGIC, and V4L2_* constants. * Updated lists of ioctl commands from Linux 4.9. * Added decoding of recently added syscalls on arc, x32, and xtensa. * Enhanced manual page. * Bug fixes * Fixed corner cases in decoding of exit, exit_group, futimesat, getgroups, getresuid, init_module, inotify_init1, kcmp, kexec_load, lookup_dcookie, mq_getsetattr, mq_notify, mq_open, mq_timedreceive, mq_timedsend, name_to_handle_at, prctl, process_vm_readv, process_vm_writev, setfsuid, setgroups, setns, unshare, and utimes syscalls. * Fixed handling of verbose flag in printing of controls array of struct v4l2_ext_controls. * Fixed omission of field names in the output of capability, sigaction, sigevent, statfs, timespec, timeval, and utimbuf structures. * Fixed printing of unknown syscalls in siginfo structure. * Fixed decoding of ioctl constants on m68k. * Fixed cris architecture support. * Fixed cross build when host compiler does not support the same set of warning flags as the cross compiler. * Fixed build on SLE10 and SLE11. 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 Dmitry V. Levin Elvira Khabirova Eugene Syromyatnikov Gleb Fotengauer-Malinovskiy JingPiao Chen Mikulas Patocka Nahim El Atmani Sean Stangl Thomas De Schampheleire -
v4.14
e1fec334 · ·NEWS for strace version 4.14 ============================ * Changes in behavior * When using -p option without a command and no processes has been attached, strace exits with exit status 1. * Improvements * Added printing of the mode argument of open and openat syscalls when O_TMPFILE flag is set. (Addresses Fedora bug #1377846). * Enhanced -e abbrev=set, -e raw=set, and -e verbose=set. * Enhanced decoding of futex, keyctl, quotactl, timerfd_settime, and aio family syscalls. * Implemented fetching of the 7th subcall argument on mips o32. * Updated lists of BPF_*, ETH_P_*, KEXEC_ARCH_*, SCTP_*, TCP_*, and *_MAGIC constants. * Updated lists of ioctl commands from Linux 4.8. * Added decoding of new syscalls on sh and sh64. * Added RISC-V architecture support. * Bug fixes * Marked io_setup and io_destroy as memory mapping related syscalls. * Fixed leakage of placeholder descriptors to tracees. * Fixed printing of mode_t, umode_t, and umask types. * Fixed decoding of iovec arrays without a limit on total data size. * Fixed decoding of fadvise64, fallocate, futex, keyctl, quotactl, readahead, and ipc family syscalls. * Fixed decoding of invalid syscalls mapped to indirect subcalls. * Fixed decoding of struct btrfs_ioctl_vol_args_v2 on non-native personalities. * Fixed decoding of PTRACE_DETACH on sparc and sparc64. * Fixed decoding of struct stat64 on sparc64. * Fixed decoding of uid and gid-related syscalls on sparc64. * Fixed decoding of the forth argument of semctl syscall on sparc64. * Fixed values of tty ioctl constants on sparc64. * Fixed sparc personality support on sparc64. 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: Dmitry V. Levin Elvira Khabirova Eugene Syromyatnikov Gleb Fotengauer-Malinovskiy James Clarke James Cowgill Richard W.M. Jones -
v4.13
02fb1755 · ·NEWS for strace version 4.13 ============================ * Improvements * Implemented a general netlink socket parser. * Enhanced decoding of socket addresses. * Enhanced decoding of cmsghdr, msghdr, and mmsghdr structures. * Enhanced decoding of accept, accept4, bind, getpeername, getsockname, ipc, recvfrom, recvmsg, recvmmsg, sendto, sendmmsg, and socketcall syscalls. * Updated lists of AF_*, BPF_MAP_TYPE_*, KEY_*, KEYCTL_*, RWF_*, SS_*, and *_MAGIC constants. * Updated lists of ioctl commands from Linux 4.7. * Bug fixes * Fixed decoding of pid_t argument of prlimit64 syscall. * Fixed sign extension issues in the parser of struct rusage. * Fixed race condition in decoding of timeout argument of recvmmsg and rt_sigtimedwait syscalls. * Fixed build with fresh linux kernel headers. 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: Dmitry V. Levin Elvira Khabirova Eugene Syromyatnikov Fabien Siron Fei Jie Gleb Fotengauer-Malinovskiy Li Er Patrik Jakobsson Steve McIntyre Yun-Chih Chen -
v4.12
ed1f2065 · ·NEWS for strace version 4.12 ============================ * Improvements * Implemented simultaneous use of -p option and tracing of a command. (addresses Debian bug #549942). * Implemented caching of netlink conversations to reduce amount of time spent in decoding socket details in -yy mode. * Implemented -yy mode decoding of protocol:portid pairs associated with netlink socket descriptors. * Implemented decoding of copy_file_range, preadv2, and pwritev2 syscalls. * Implemented dumping of preadv, preadv2, pwritev, pwritev2, and vmsplice syscalls. * Implemented decoding of BTRFS_* and UFFDIO_* ioctl commands. * Enhanced decoding of BLK*, EVIOC*, RTC_*, and VIDIOC_* ioctl commands. * Enhanced decoding of fstatfs, fstatfs64, get_mempolicy, getdents, getdents64, getgroups, getpriority, kill, mbind, migrate_pages, mknod, mknodat, personality, poll, ppoll, quotactl, rt_sigpending, rt_sigqueueinfo, rt_sigtimedwait, rt_tgsigqueueinfo, sched_getaffinity, sched_setaffinity, seccomp, set_mempolicy, setgroups, setpriority, statfs, statfs64, tgkill, waitid, and xattr family syscalls. * Enhanced decoding of getxpid, getxuid, and getxgid syscalls on alpha. * Enhanced decoding of pipe syscall on alpha, ia64, mips, sh, and sparc. * Added decoding of bind, listen, and setsockopt direct syscalls on sparc. * Added decoding of osf_statfs64 and osf_fstatfs64 syscalls on alpha. * Added decoding of fadvise64 and fadvise64_64 on s390. * Updated lists of AF_*, BPF_MAP_TYPE_*, CLONE_*, EPOLL*, IPV6_*, MADV_*, MSG_*, PTRACE_*, SEGV_*, SO_*, SOL_*, *_MAGIC, and quotactl constants. * Updated lists of ioctl commands from Linux 4.6. * Bug fixes * Fixed build on arc, metag, nios2, or1k, and tile architectures. * Fixed decoding of 32-bit times syscall return value on 64-bit architectures. * Fixed decoding of mlock2 syscall on sparc. * Fixed decoding of osf_shmat syscall on alpha. * Fixed decoding of syscalls unknown to the kernel on s390/s390x. (addresses Debian bug #485979 and Fedora bug #1298294). * Fixed decoding of preadv syscall in case of short read. * Fixed decoding and dumping of readv syscall in case of short read. * Fixed dumping of recvmsg and recvmmsg syscalls in case of short read. * Fixed decoding of mincore syscall's last argument. * Fixed remaining errors in mapping between syscall numbers and numbers of syscall arguments. * Applied various fixes to strace-graph script. 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: Anchit Jain Denys Vlasenko Dmitry V. Levin Dr. David Alan Gilbert Elliott Hughes Fabien Siron Fei Jie Gabriel Laskar Gleb Fotengauer-Malinovskiy JayRJoshi Jeff Mahoney Katerina Koukiou Keith Owens Michael Shigorin Nahim El Atmani Zev Weiss -
v4.11
2acb065f · ·NEWS for strace version 4.11 ============================ * Changes in behavior * Some syscalls have different names depending on architecture and personality. In these cases, syscall filtering and printing now consistently uses the names that match corresponding __NR_* kernel macros of the tracee's architecture and personality. * Added strace prefix to all diagnostic messages. * Improvements * Enhanced and extended test suite. * Implemented reliable tracing of processes whose personality differs from the personality of strace, fixed decoding of 32-bit personality syscalls on 64-bit architectures. * When some data referenced by syscall arguments is irrelevant or cannot be read from tracee's memory, strace now prints its address consistently. * When a syscall is restarted using restart_syscall mechanism, strace now shows the syscall name on architectures that expose this information. * Print values returned by epoll_create1, eventfd, eventfd2, fanotify_init, inotify_init1, perf_event_open, pipe, pipe2, signalfd, signalfd4, socket, socketpair, timerfd, and timerfd_create syscalls, as well as F_DUPFD and F_DUPFD_CLOEXEC fcntl commands, as file descriptors. * Optimized decoding of indirect socket syscalls. * Implemented decoding of nanoseconds along with seconds in stat family syscalls (addresses Fedora bug #1251176). * Implemented decoding of struct statfs.f_flags in statfs syscall. * Implemented decoding of siginfo_t.si_syscall and siginfo_t.si_arch in SIGSYS signal. * Implemented decoding of indirect syscall on mips o32. * Implemented decoding of IPPROTO_IP control messages. * Implemented decoding of setsockopt syscall multicast arguments. * Enhanced decoding of struct sigevent. * Enhanced decoding of block, loop, mtd, ptp, rtc, SG_IO, socket, tty, and v4l2 ioctl syscall arguments. * Enhanced decoding of epoll_create, fcntl, fcntl64, futex, getdents, getdents64, getsockopt, io_*, mount, msgctl, prctl, quotactl, recvfrom, sendfile, setsockopt, and shmctl syscalls. * Implemented decoding of bpf, execveat, ioperm, iopl, kcmp, kexec_file_load, lookup_dcookie, membarrier, memfd_create, mlock2, name_to_handle_at, open_by_handle_at, sched_getattr, sched_setattr, and userfaultfd syscalls. * Updated lists of AF_*, EPOLL_*, FALLOC_FL_*, F_*, INPUT_PROP_*, IPPROTO_*, IPV6_*, IP_*, KEY_*, LOCK_*, MNT_*, MS_*, PACKET_*, PERF_FLAG_*, PF_*, PR_*, PTRACE_O_*, RENAME_*, SCTP_*, SECBIT_*, SO_*, TCP_*, and siginfo_t constants. * Added Nios II architecture support. * Added new syscall entries to match Linux 4.4. * Bug fixes * Fixed potential short read of strings from tracee's memory. * Fixed -qq option in conjunction with -o option. * Fixed filtering of <unavailable> syscalls. * Fixed decoding of ioctl syscall command on aarch64 and 32-bit architectures with 64-bit aligned structures. * Fixed decoding of eventfd2, epoll_create1, signalfd4, and sync_file_range2 syscall flags arguments. * Fixed decoding of 4th argument of clock_nanosleep syscall. * Fixed decoding of getpagesize syscall on m68k. * Fixed decoding of getrandom and seccomp syscalls on aarch64. * Fixed decoding of timezone argument of gettimeofday and settimeofday * syscalls. * Fixed decoding of offset argument of mmap2 syscall on arm, sparc, and sparc64. * Fixed decoding of pipe syscall on alpha and mips. * Fixed decoding of pipe2 syscall on ia64, sh, sparc, and sparc64. * Fixed decoding of signal mask argument of pselect6 syscall on x32. * Fixed decoding of signal mask of rt_sigreturn syscall on aarch64, m68k, and x32. * Fixed decoding of 4th argument of semctl indirect syscall. * Fixed decoding of sa_restorer and sa_mask of sigaction syscall on m68k. * Fixed decoding of statfs64 and fstatfs64 syscalls on arm eabi. * Fixed decoding of struct dirent on x32. * Fixed decoding of times syscall return value on mips n32 and x32. * Fixed decoding of path argument of umount2 syscall (addresses Debian bug #785050). * Worked around a kernel bug in tracing privileged executables. * Fixed various errors in mapping between syscall numbers and associated information like the number of syscall arguments, the name of syscall, and syscall decoder. 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 Anton Blanchard Denys Vlasenko Dmitry V. Levin Elliott Hughes Elvira Khabirova Eugene Syromyatnikov Ezequiel Garcia Felix Janda Gabriel Laskar Gleb Fotengauer-Malinovskiy Heiko Carstens Mike Frysinger Philippe De Muyter Szabolcs Nagy -