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5 years agobpf: exclude bit fields from the check
Dmitry V. Levin [Tue, 12 Mar 2019 11:17:20 +0000 (11:17 +0000)]
bpf: exclude bit fields from the check

Currently we have no instruments to check the size and offsets
of bit fields.

* gen_bpf_attr_check.sh: Do not print bit fields.
* m4/gen_bpf_attr_m4.awk: Likewise.

5 years agoImplement queueing of threads before dispatching them
Eugene Syromyatnikov [Wed, 8 Aug 2018 19:41:39 +0000 (21:41 +0200)]
Implement queueing of threads before dispatching them

It is possible that some tracees call a lot of cheap syscalls too fast,
and that can stress the tracer to the point some tracees are not served
for indefinite amount of time.  In order to avoid that unfairness, try
to collect all the pending tracees first along with the relevant
information and only then dispatch the events.

* defs.h: Include "list.h".
(struct tcb): Add wait_data_idx, delayed_wait_data, and wait_list
fields.
* strace.c (struct tcb_wait_data): Add "msg" field.
(tcb_wait_tab, tcb_wait_tab_size): New static variables.
(alloctcb): Initialize wait_list.
(droptcb): Remove tcp from wait_list.
(maybe_switch_tcbs): Get old pid from
tcb_wait_tab[tcp->wait_data_idx].msg instead of calling
ptrace(PTRACE_GETEVENTMSG).
(trace_wait_data_size, init_trace_wait_data, copy_trace_wait_data,
free_trace_wait_data, tcb_wait_tab_check_size): New functions, in order
to allow the code outside next_event to operate with wait_data as with
an opaque object (needed for dispatch_event and restart_delayed_tcb).
(next_event): Add pending_tcps, extra_tcp, wait_nohang, elem, and
wait_tab_pos variables; check for elements in pending_tcps and skip
waiting if the list is not empty; check for extra_tcp and skip waiting
along with swapping wait_data_idx with wait_extra_data_idx;
after the initial wait4(), call wait4() in loop with WNOHANG flag set;
fetch siginfo on signal and eventmsg on PTRACE_EVENT_EXEC;
return the first tcp in pending_tcps list.
(dispatch_event): Store a pointer to a copy of tcb_wait_data in
tcp->delayed_wait_data if tcp's restart has to be delayed.
(restart_delayed_tcb): Use tcp->delayed_wait_data, create a stub
tcb_wait_data if it is NULL, free temporary trace_wait_data.
* tests/Makefile.am (XFAIL_TEST): Remove looping_threads.test.

Resolves: https://bugzilla.redhat.com/show_bug.cgi?id=478419
Resolves: https://bugzilla.redhat.com/show_bug.cgi?id=526740
Resolves: https://bugzilla.redhat.com/show_bug.cgi?id=851457
Resolves: https://bugzilla.redhat.com/show_bug.cgi?id=1609318
Resolves: https://bugzilla.redhat.com/show_bug.cgi?id=1610774
Co-Authored-by: Dmitry V. Levin <ldv@altlinux.org>
Co-Authored-by: Denys Vlasenko <dvlasenk@redhat.com>
Co-Authored-by: Andreas Schwab <aschwab@redhat.com>
Co-Authored-by: Jeff Law <law@redhat.com>
Co-Authored-by: DJ Delorie <dj@redhat.com>
5 years agoAdd a generic list implementation
Eugene Syromyatnikov [Sun, 11 Sep 2016 09:11:45 +0000 (12:11 +0300)]
Add a generic list implementation

Similar to the one used in the Linux kernel.

* macros.h (cast_ptr, containerof): New macros.
* list.h: New file.
* Makefile.am (strace_SOURCES): Add it.

5 years agotests: check tracing of looping threads
Dmitry V. Levin [Wed, 4 Jul 2018 02:11:27 +0000 (02:11 +0000)]
tests: check tracing of looping threads

* test/many_looping_threads.c: Remove.
* test/.gitignore: Remove many_looping_threads.
* test/Makefile (PROGS): Likewise.
(many_looping_threads): Remove.
* tests/looping_threads.c: New file.
* tests/looping_threads.test: New test.
* tests/.gitignore: Add looping_threads.
* tests/Makefile.am (check_PROGRAMS): Likewise.
(looping_threads_LDADD): New variable.
(MISC_TESTS, XFAIL_TESTS): Add looping_threads.test.

5 years agoBump SYS_socket_subcall from 400 to 500
Dmitry V. Levin [Wed, 6 Mar 2019 23:20:39 +0000 (23:20 +0000)]
Bump SYS_socket_subcall from 400 to 500

Make room for syscalls that are going to be introduced in Linux 5.1.

* linux/i386/syscallent.h (SYS_socket_subcall): Raise from 400 to 500.
* linux/m68k/syscallent.h: Likewise.
* linux/powerpc/syscallent.h: Likewise.
* linux/powerpc64/syscallent.h: Likewise.
* linux/s390/syscallent.h: Likewise.
* linux/s390x/syscallent.h: Likewise.
* linux/sh/syscallent.h: Likewise.
* linux/sh64/syscallent.h: Likewise.
* linux/sparc/syscallent.h: Likewise.
* linux/sparc64/syscallent.h: Likewise.
* linux/mips/syscallent-o32.h (SYS_socket_subcall): Raise from 4400
to 4500.
* linux/mips/syscallent-n64.h (SYS_socket_subcall): Raise from 5400
to 5500.
* linux/mips/syscallent-n32.h (SYS_socket_subcall): Raise from 6400
to 6500.

5 years agotests: check tracing of orphaned process group
Dmitry V. Levin [Wed, 6 Mar 2019 16:02:38 +0000 (16:02 +0000)]
tests: check tracing of orphaned process group

* tests/orphaned_process_group.c: New file.
* tests/.gitignore: Add orphaned_process_group.
* tests/Makefile.am (check_PROGRAMS): Likewise.
* tests/gen_tests.in (orphaned_process_group): New test.

5 years agotests: move PTRACE_SEIZE check to a separate file
Dmitry V. Levin [Wed, 6 Mar 2019 16:02:38 +0000 (16:02 +0000)]
tests: move PTRACE_SEIZE check to a separate file

The check is going to be used by another test soon.

* tests/PTRACE_SEIZE.sh: New file.
* tests/detach-stopped.test: Use it.
* tests/Makefile.am (EXTRA_DIST): Add PTRACE_SEIZE.sh.

5 years agostrace.c: fix up formatting after commit v4.24~48
Eugene Syromyatnikov [Thu, 21 Feb 2019 15:55:51 +0000 (16:55 +0100)]
strace.c: fix up formatting after commit v4.24~48

The commit v4.24~48 "Implement -e kvm= option on all architectures",
while removing #ifdef, left formatting of the help message string a bit
inconsistent.

* strace.c (usage): Move "\n\" bit after "kvm", remove double quotes.

Complements: v4.24~48 "Implement -e kvm= option on all architectures"

5 years agotests: fix xgetrlimit output when syscall returns an error
Eugene Syromyatnikov [Thu, 21 Feb 2019 15:52:46 +0000 (16:52 +0100)]
tests: fix xgetrlimit output when syscall returns an error

* tests/xgetrlimit.c (main): Expect pointer to rlimit as the second
argument when syscall returns an error.  Use sprintrc().

5 years agostrace.c: pass signal number to cleanup()
Eugene Syromyatnikov [Thu, 21 Feb 2019 11:56:29 +0000 (12:56 +0100)]
strace.c: pass signal number to cleanup()

* strace.c (die): Pass 0 as an argument to cleanup().
(cleanup): Add fatal_sig parameter, remove the local variable
of the same name, do not use interrupted.
(terminate): Initialise a new local variable "sig" with "interrupted",
pass it to cleanup() and use it instead of "interrupted" for exit_code
initialisation.

5 years agoUpdate ioctl entries from linux v5.0
Gleb Fotengauer-Malinovskiy [Mon, 25 Feb 2019 14:47:20 +0000 (17:47 +0300)]
Update ioctl entries from linux v5.0

* linux/32/ioctls_inc_align16.h: Update from linux v5.0-rc8
using ioctls_gen.sh.
* linux/32/ioctls_inc_align32.h: Likewise.
* linux/32/ioctls_inc_align64.h: Likewise.
* linux/64/ioctls_inc.h: Likewise.
* linux/x32/ioctls_inc0.h: Likewise.
* linux/aarch64/ioctls_arch0.h: Likewise.
* linux/arm/ioctls_arch0.h: Likewise.
* linux/mips/ioctls_arch0.h: Likewise.
* linux/powerpc/ioctls_arch0.h: Likewise.
* linux/s390/ioctls_arch0.h: Likewise.
* linux/s390x/ioctls_arch0.h: Likewise.
* NEWS: Mention this.

5 years agomaint: update for linux 5.0-rc8
Gleb Fotengauer-Malinovskiy [Mon, 25 Feb 2019 14:36:16 +0000 (17:36 +0300)]
maint: update for linux 5.0-rc8

* maint/ioctls_sym.sh (x86_list): Add KVM_GET_SUPPORTED_HV_CPUID.

5 years agoxlat/gen.sh: disable file name globbing by default
Dmitry V. Levin [Sun, 24 Feb 2019 23:37:00 +0000 (23:37 +0000)]
xlat/gen.sh: disable file name globbing by default

As the script uses file name globbing only in one place,
disable it by default and enable it when necessary.

* xlat/gen.sh: Add -f to shebang.
(main): Enable file name globbing to generate the list of input files.

5 years agoxlat/gen.sh: speedup, part 5
Eugene Syromyatnikov [Tue, 5 Feb 2019 23:49:47 +0000 (00:49 +0100)]
xlat/gen.sh: speedup, part 5

* xlat/gen.sh (gen_header): Process xlat line with sed only when "/*"
substring is present in it.

Co-Authored-by: Dmitry V. Levin <ldv@altlinux.org>
5 years agoxlat/gen.sh: speedup, part 4
Eugene Syromyatnikov [Tue, 5 Feb 2019 23:49:47 +0000 (00:49 +0100)]
xlat/gen.sh: speedup, part 4

* xlat/gen.sh (cond_xlat): Use read instead of sed for xlat entry
parsing.

Co-Authored-by: Dmitry V. Levin <ldv@altlinux.org>
5 years agoxlat/gen.sh: speedup, part 3
Eugene Syromyatnikov [Tue, 5 Feb 2019 23:49:47 +0000 (00:49 +0100)]
xlat/gen.sh: speedup, part 3

* xlat/gen.sh (cond_def): Use parameter substitution instead of sed
for xlat line parsing.

Co-Authored-by: Dmitry V. Levin <ldv@altlinux.org>
5 years agoxlat/gen.sh: speedup, part 2
Eugene Syromyatnikov [Tue, 5 Feb 2019 23:49:47 +0000 (00:49 +0100)]
xlat/gen.sh: speedup, part 2

* xlat/gen.sh (gen_header): Use "grep -q" instead of "grep > /dev/null".

5 years agoxlat/gen.sh: speedup, part 1
Eugene Syromyatnikov [Tue, 5 Feb 2019 23:49:47 +0000 (00:49 +0100)]
xlat/gen.sh: speedup, part 1

* xlat/gen.sh (cond_def, cond_xlat): Use printf builtin instead of cat.

5 years agoxlat/gen.sh: cleanup
Eugene Syromyatnikov [Tue, 5 Feb 2019 23:49:47 +0000 (00:49 +0100)]
xlat/gen.sh: cleanup

* xlat/gen.sh: Export LC_ALL=C so it could be omitted from individual
invocations.
(cond_def): Remove LC_ALL=C from sed invocation.
(gen_header): Remove LC_COLLATE=C.

5 years agoMakefile.am: pass D variable to shell scripts' environment
Eugene Syromyatnikov [Mon, 18 Feb 2019 23:01:01 +0000 (00:01 +0100)]
Makefile.am: pass D variable to shell scripts' environment

And set -x if D is set to 1, so the commands called by various shell scripts
are easier to see during debugging.

* Makefile.am (bpf_attr_check.c, sen.h, mpers-m%.stamp, $(srcdir)/CREDITS): Pass
D variable in the environment to the shell script call.
* gen_bpf_attr_check.sh: Set -x if D is set to 1.
* generate_mpers_am.sh: Likewise.
* generate_sen.sh: Likewise.
* maint/gen-contributors-list.sh: Likewise.
* mpers.sh: Likewise.
* mpers_test.sh: Likewise.

5 years agotests: add checks for dumpstr output into read-write test
Eugene Syromyatnikov [Wed, 20 Feb 2019 13:52:59 +0000 (14:52 +0100)]
tests: add checks for dumpstr output into read-write test

util.c:dumpstr() now aligns offsets in accordance with the total length
of the dump and also may perform only partial dump, so let's add checks
for these cases.

* tests/fill_memory.c (fill_memory_ex): Change the type of the period
argument from unsigned char to unsigned int.
* tests/tests.h (fill_memory_ex): Likewise.
* tests/read-write.c (dump_str_ex): Rename from dump_str, add idx_w
argument, support len greater than 240 bytes.
(dump_str): New function, wrapper for dump_str_ex with the default index
width.
(print_hex): Add checks for dumpstr output, close fd 1 later.

5 years agoutil: update dumpstr
Eugene Syromyatnikov [Tue, 19 Feb 2019 02:10:11 +0000 (03:10 +0100)]
util: update dumpstr

Use a buffer of a limited size, use proper type for dump amount, avoid
hard-coding of byte counts, calculate output buffer size more accurately
and minimise its rewriting, pad offset with zeros in accordance
with expected output amount.

* defs.h (dumpstr): Change the type of len argument from int to
kernel_ulong_t.
* macros.h (ROUNDUP_DIV): New macro.
(ROUNDUP): Rewrite using ROUNDUP_DIV.
* util.c (ILOG2_ITER_): New macro.
(ilog2_64, ilog2_32): New functions.
(ilog2_klong): New macro, wrapper around ilog2_32/ilog2_64, so (potentially
more expensive) ilog2_64 is not used for ilog2 calculation
of a kernel_ulong_t-typed variable on architectures with 32-bit kernel long.
(dumpstr): Update.

Co-Authored-by: Dmitry V. Levin <ldv@altlinux.org>
5 years agoGeneralise UUID printing
Eugene Syromyatnikov [Tue, 19 Feb 2019 01:50:53 +0000 (02:50 +0100)]
Generalise UUID printing

It was open-coded (using yet another open-coded hexadecimal character
printing) in btrfs.c and can be used in other places (like dm.c or
rtnl_link.c).

* defs.h (print_uuid): New declaration.
* print_fields.h (PRINT_FIELD_UUID): New macro.
* util.c (print_uuid): New function.
* btrfs.c (prnibble, UUID_STRING_SIZE, btrfs_unparse_uuid): Remove.
(btrfs_ioctl): Use PRINT_FIELD_UUID for UUID printing.

5 years agoGeneralise some printing primitives
Eugene Syromyatnikov [Tue, 19 Feb 2019 01:46:58 +0000 (02:46 +0100)]
Generalise some printing primitives

Character class checks and hexadecimal number formatting are open-coded
all over the place, let's try to de-duplicate them a bit.

* print_utils.h: New file.
* Makefile.am (strace_SOURCES): Add it.
* util.c: Include "print_utils.h".
(string_quote, dumpstr): Use sprint_byte_hex and is_print.
* v4l2.c: Include "print_utils.h".
(print_pixelformat): Use is_print and BYTE_HEX_CHARS_PRINTF_QUOTED,
add a note that the routine is rather generic.

5 years agoMove call_summary() from cleanup() to terminate()
Eugene Syromyatnikov [Tue, 19 Feb 2019 02:57:34 +0000 (03:57 +0100)]
Move call_summary() from cleanup() to terminate()

cleanup() has exactly two call sites, die() and terminate(), and the
first one resets cflag in order to prevent call_summary() invocation.
Move the call to terminate() in order to avoid bogus cflag reset.

* strace.c (die): Remove cflag reset.
(cleanup): Move call_summary() call ...
(terminate): ... here.

5 years agodefs.h: define stack_trace_enabled to 0 is stack tracing is not enabled
Eugene Syromyatnikov [Tue, 19 Feb 2019 02:50:25 +0000 (03:50 +0100)]
defs.h: define stack_trace_enabled to 0 is stack tracing is not enabled

This allows avoiding ifdefs sometimes.

* defs.h [!ENABLE_STACKTRACE] (stack_trace_enabled): Define as 0.
* strace.c (init): Remove #ifdef ENABLE_STACKTRACE around -c/-k check.

5 years agobuild: fix --with-libiberty
Dmitry V. Levin [Tue, 19 Feb 2019 01:39:32 +0000 (01:39 +0000)]
build: fix --with-libiberty

* m4/st_demangle.m4 (st_DEMANGLE): Move the check for cplus_demangle
out of AC_CHECK_HEADERS because the latter checks for demangle.h in two
different places and an absence of demangle.h in one of these places
would cause a build error in --with-libiberty=yes mode.
* NEWS: Mention this fix.

Resolves: https://github.com/strace/strace/issues/92

5 years agoHonor xlat styles when decoding ioprio_get and ioprio_set
Shankara Pailoor [Sat, 12 Jan 2019 04:59:00 +0000 (20:59 -0800)]
Honor xlat styles when decoding ioprio_get and ioprio_set

* ioprio.c (SYS_FUNC(ioprio_get), SYS_FUNC(ioprio_set)): Add xlat_style
support.
* tests/ioprio-Xabbrev.c: New file.
* tests/ioprio-Xraw.c: Likewise.
* tests/ioprio-Xverbose.c: Likewise.
* tests/ioprio.c: Handle XLAT_RAW, XLAT_ABBREV, and XLAT_VERBOSE macros.
* tests/gen_tests.in (ioprio-Xabbrev, ioprio-Xraw, ioprio-Xverbose): New
tests.
* tests/pure_executables.list: Add ioprio-Xabbrev, ioprio-Xraw, and
ioprio-Xverbose.
* tests/.gitignore: Likewise.

Co-Authored-by: Dmitry V. Levin <ldv@altlinux.org>
5 years agomove_pages: honor xlat styles
Shankara Pailoor [Sun, 13 Jan 2019 19:37:49 +0000 (11:37 -0800)]
move_pages: honor xlat styles

* numa.c (print_status): Add xlat_style support for status argument.
* tests/move_pages-Xabbrev.c: New file.
* tests/move_pages-Xraw.c: Likewise.
* tests/move_pages-Xverbose.c: Likewise.
* tests/move_pages.c: Handle XLAT_RAW, XLAT_ABBREV, and XLAT_VERBOSE
macros.
* tests/gen_tests.in (move_pages-Xabbrev, move_pages-Xraw,
move_pages-Xverbose): New tests.
* tests/pure_executables.list: Add move_pages-Xabbrev, move_pages-Xraw,
and move_pages-Xverbose.
* tests/.gitignore: Likewise.

5 years agotests: robustify threads-execve test against the odds
Dmitry V. Levin [Mon, 18 Feb 2019 00:29:43 +0000 (00:29 +0000)]
tests: robustify threads-execve test against the odds

Give threads-execve.test more chances to succeed.

* tests/threads-execve.test: Retry the test until run out of time.

5 years agoHonor xlat styles when decoding resource limits
Shankara Pailoor [Sat, 12 Jan 2019 03:07:33 +0000 (19:07 -0800)]
Honor xlat styles when decoding resource limits

* resource.c (sprint_rlim64, sprint_rlim32): Remove.
(print_rlim64_t, print_rlim32_t): New functions.
(print_rlimit64, print_rlimit32): Use them.
* tests/setrlimit-Xabbrev.c: New file.
* tests/setrlimit-Xraw.c: Likewise.
* tests/setrlimit-Xverbose.c: Likewise.
* tests/setrlimit.c (main): Handle XLAT_ABBREV, XLAT_RAW,
and XLAT_VERBOSE macros.
* tests/xgetrlimit.c (sprint_rlim): Likewise.
* tests/gen_tests.in (setrlimit-Xabbrev, setrlimit-Xraw,
setrlimit-Xverbose): New tests.
* tests/pure_executables.list: Add setrlimit-Xabbrev, setrlimit-Xraw,
and setrlimit-Xverbose.
* tests/.gitignore: Likewise.

Co-Authored-by: Dmitry V. Levin <ldv@altlinux.org>
5 years agohppa: workaround kernel bug in syscall number tampering
Dmitry V. Levin [Sun, 17 Feb 2019 00:10:26 +0000 (00:10 +0000)]
hppa: workaround kernel bug in syscall number tampering

Linux kernel commit v4.6-rc2~20^2 introduced a regression:
when tracer changes syscall number to -1, the kernel fails
to initialize %r28 with -ENOSYS and subsequently fails
to return the error code of the failed syscall to userspace.
Workaround this by initializing %r28 ourselves.

* linux/arch_defs_.h (ARCH_NEEDS_SET_ERROR_FOR_SCNO_TAMPERING): Define
to 0.
* linux/hppa/arch_defs_.h (ARCH_NEEDS_SET_ERROR_FOR_SCNO_TAMPERING):
Define to 1.
* syscall.c (tamper_with_syscall_entering)
[ARCH_NEEDS_SET_ERROR_FOR_SCNO_TAMPERING]: When changing syscall number
to -1, set the return value as well.

5 years agohppa: define PT_* constants as offsets inside struct pt_regs
Dmitry V. Levin [Sat, 16 Feb 2019 00:33:38 +0000 (00:33 +0000)]
hppa: define PT_* constants as offsets inside struct pt_regs

Define constants passed to upeek and upoke using a method that works
with different wordsize values.

* linux/hppa/arch_regs.c (PT_GR26, PT_GR30, PT_IAOQ0, PT_IAOQ1): Remove.
(PT_GR20, PT_GR28, ARCH_PC_PEEK_ADDR, ARCH_SP_PEEK_ADDR): Redefine using
offsets inside struct pt_regs.
* linux/hppa/get_syscall_args.c (arch_get_syscall_args): Replace PT_GR26
with offsets inside struct pt_regs.

5 years agohppa: enhance decoding of PTRACE_PEEKUSER and PTRACE_POKEUSER
Dmitry V. Levin [Sat, 16 Feb 2019 00:33:38 +0000 (00:33 +0000)]
hppa: enhance decoding of PTRACE_PEEKUSER and PTRACE_POKEUSER

Print symbolic constants corresponding to numeric arguments
of PTRACE_PEEKUSER and PTRACE_POKEUSER requests.

* linux/hppa/userent.h: New file.
* Makefile.am (EXTRA_DIST): Add it.
* NEWS: Mention this.

5 years agomips o32: fix 7th syscall argument with PTRACE_GET_SYSCALL_INFO API
Dmitry V. Levin [Fri, 15 Feb 2019 21:22:30 +0000 (21:22 +0000)]
mips o32: fix 7th syscall argument with PTRACE_GET_SYSCALL_INFO API

As PTRACE_GET_SYSCALL_INFO API supports 6 syscall arguments,
all architectures that have syscalls with more than 6 arguments
(i.e. mips o32) have to fetch extra arguments manually when using
PTRACE_GET_SYSCALL_INFO API.

* linux/mips/get_syscall_args.c [LINUX_MIPSO32]
(arch_get_syscall_args_extra): New function.
* syscall.c (get_syscall_args) [MAX_ARGS > 6]: Use it.

Fixes: v4.26~49 "Introduce PTRACE_GET_SYSCALL_INFO support"
5 years agomips: update comment
Dmitry V. Levin [Fri, 15 Feb 2019 21:22:30 +0000 (21:22 +0000)]
mips: update comment

* linux/mips/get_syscall_args.c (decode_syscall_subcall): Update comment.

Complements: v4.26-27-g2c8b6de91 "mips o32: fix build"

5 years agotests: add kill_child test
Eugene Syromyatnikov [Fri, 1 Feb 2019 10:04:51 +0000 (11:04 +0100)]
tests: add kill_child test

This tests repeatedly creates and kills children, so some corner
cases in handling of not-quite-existing processes can be observed.

Previously, strace was crashing in the following situation:

    13994 ????( <unfinished ...>
    ...
    13994 <... ???? resumed>) = ?

as tcp->s_ent wasn't initialised on syscall entering and
strace.c:print_event_exit segfaulted when tried to access
tcp->s_ent->sys_name.

* tests/kill_child.c: New file.
* tests/kill_child.test: New test.
* tests/.gitignore: Add kill_child.
* tests/Makefile.am (check_PROGRAMS): Likewise.
(MISC_TESTS): Add kill_child.test.

Co-Authored-by: Dmitry V. Levin <ldv@altlinux.org>
5 years agoWire up kexec_file_load syscall on architectures that use generic unistd.h
Dmitry V. Levin [Mon, 11 Feb 2019 23:35:07 +0000 (23:35 +0000)]
Wire up kexec_file_load syscall on architectures that use generic unistd.h

* linux/32/syscallent.h [294]: Wire up kexec_file_load syscall
introduced by linux commit v5.0-rc1~35^2~41^2~15.
* linux/64/syscallent.h [294]: Likewise.
* NEWS: Mention this.

Resolves: https://bugzilla.redhat.com/show_bug.cgi?id=1676045

5 years agoWire up rseq syscall on architectures that use generic unistd.h
Dmitry V. Levin [Mon, 11 Feb 2019 23:35:07 +0000 (23:35 +0000)]
Wire up rseq syscall on architectures that use generic unistd.h

* linux/32/syscallent.h [293]: Wire up rseq syscall introduced by linux
commit v4.19-rc1~109^2~47.
* linux/64/syscallent.h [293]: Likewise.
* NEWS: Mention this.

5 years agotests: robustify preadv2-pwritev2 test against odd kernels
Dmitry V. Levin [Mon, 11 Feb 2019 21:00:05 +0000 (21:00 +0000)]
tests: robustify preadv2-pwritev2 test against odd kernels

The test used to assume that either both preadv2 and pwritev2 syscalls
are implemented or both are not implemented, but, apparently, there are
kernels in the wild that implement just preadv2 syscall without
pwritev2.

* tests/preadv2-pwritev2.c (main): Skip the dumpio part of the test
if either preadv2 or pwritev2 syscall is not implemented.

Resolves: https://bugzilla.redhat.com/show_bug.cgi?id=1668750

5 years agoptrace_restart: do not print diagnostics when ptrace returns ESRCH
Eugene Syromyatnikov [Sun, 10 Feb 2019 23:57:38 +0000 (00:57 +0100)]
ptrace_restart: do not print diagnostics when ptrace returns ESRCH

After some discussion, it was decided that the situation
when the tracee is gone does not worth reporting.

* strace.c (ptrace_restart): Return early if ptrace returned ESRCH.

Resolves: https://bugzilla.redhat.com/show_bug.cgi?id=1662936

5 years agoptrace_restart: use xlat-based approach for printing ptrace requests
Eugene Syromyatnikov [Sun, 10 Feb 2019 23:45:37 +0000 (00:45 +0100)]
ptrace_restart: use xlat-based approach for printing ptrace requests

* defs.h (ptrace_cmds): New prototype.
* strace.c (ptrace_op_str): New function.
(ptrace_restart): Use it.

5 years agoFix whitespace issues
Dmitry V. Levin [Sun, 10 Feb 2019 21:04:41 +0000 (21:04 +0000)]
Fix whitespace issues

* Makefile.am (strace_SOURCES, EXTRA_DIST): Replace SPACE symbol followed
by TAB symbol with TAB symbol.
* kvm.c (is_map_for_file): Likewise.
* tests/gen_tests.in (ioctl_ptp, printsignal-Xverbose): Likewise.
* xlat/skf_ad.in: Likewise.

5 years agoMake inline message on failed restart attempt more verbose
Eugene Syromyatnikov [Sun, 10 Feb 2019 18:49:46 +0000 (19:49 +0100)]
Make inline message on failed restart attempt more verbose

Hopefully, now it is less confusing.

* strace.c (ptrace_restart): Provide intent and pid in the inline error
message.

References: https://bugzilla.redhat.com/show_bug.cgi?id=1662936

5 years agosyscall.c: set MEMORY_MAPPING_CHANGE in stub sysent
Eugene Syromyatnikov [Tue, 29 Jan 2019 14:35:00 +0000 (15:35 +0100)]
syscall.c: set MEMORY_MAPPING_CHANGE in stub sysent

As unknown syscalls may incur unknown side effects.

* syscall.c (stub_sysent): Set sys_flags to MEMORY_MAPPING_CHANGE.

5 years agoUse accessors for tcp->s_ent, return a stub struct if it is NULL
Eugene Syromyatnikov [Tue, 29 Jan 2019 13:40:11 +0000 (14:40 +0100)]
Use accessors for tcp->s_ent, return a stub struct if it is NULL

Since code paths are non-trivial, it's an attempt to future-proof
and prevent improper access of tcp->s_ent fields.

* defs.h (struct tcb): Update the description of s_ent field.
(stub_sysent): New declaration.
(tcp_sysent, n_args): New macro functions.
(indirect_ipccall): Use tcp_sysent() instead of tcp->s_ent.
* ipc.c (SYS_FUNC(ipc)): Use n_args() instead of tcp->s_ent->nargs.
* linux/alpha/get_syscall_args.c (get_syscall_args): Likewise.
* linux/bfin/get_syscall_args.c (get_syscall_args): Likewise.
* linux/hppa/get_syscall_args.c (get_syscall_args): Likewise.
* linux/ia64/get_syscall_args.c (get_syscall_args): Likewise.
* linux/microblaze/get_syscall_args.c (get_syscall_args): Likewise.
* linux/mips/get_syscall_args.c (get_syscall_args): Likewise.
* linux/sh/get_syscall_args.c (get_syscall_args): Likewise.
* linux/sh64/get_syscall_args.c (get_syscall_args): Likewise.
* linux/x86_64/get_syscall_args.c (get_syscall_args): Likewise.
* linux/xtensa/get_syscall_args.c (get_syscall_args): Likewise.
* prctl.c (print_prctl_args): Likewise.
* signal.c (SYS_FUNC(sgetmask)): Likewise.
* util.c (printargs, printargs_u, printargs_d): Likewise.
* syscall.c (decode_ipc_subcall, decode_syscall_subcall: Likewise.
(dumpio, tamper_with_syscall_exiting, syscall_entering_decode,
syscall_entering_decode, syscall_entering_trace, syscall_entering_trace,
syscall_exiting_decode, print_syscall_resume, syscall_exiting_trace,
get_syscall_result): Use tcp_sysent() instead of tcp->s_ent.
(stub_sysent): New stub sysent.
(get_scno): Reset scno, s_ent, qual_flg; initialise s->ent from
stub_sysent.
* pathtrace.c (pathtrace_match_set): Use tcp_sysent() instead of
tcp->s_ent.

Co-Authored-by: Dmitry V. Levin <ldv@altlinux.org>
5 years agosyscall.c: remove arch check for SEN_execv usage
Eugene Syromyatnikov [Tue, 29 Jan 2019 13:07:46 +0000 (14:07 +0100)]
syscall.c: remove arch check for SEN_execv usage

SEN_* declarations are always present and can be used regardless
of architecture.

* syscall.c (syscall_entering_trace): Remove "#if defined SPARC ||
defined SPARC64" guard.

5 years agoMerge "<... resumed>" printing
Eugene Syromyatnikov [Tue, 29 Jan 2019 12:54:23 +0000 (13:54 +0100)]
Merge "<... resumed>" printing

Apparently, it was slightly different with no apparent reason.
Use a single routine to print this message now.

* defs.h (print_syscall_resume): New function declaration.
* strace.c (print_event_exit): Replace open-coding of "<... resumed>"
message printing with a print_syscall_resume() call.
* syscall.c (syscall_exiting_trace): Likewise.
(print_syscall_resume): New function.
* tests/threads-execve.c: Update expected output.

5 years agosockaddr: print sin6_flowinfo field before sin6_addr
Shankara Pailoor [Wed, 9 Jan 2019 17:09:04 +0000 (09:09 -0800)]
sockaddr: print sin6_flowinfo field before sin6_addr

The sin6_flowinfo field comes before sin6_addr in the sockaddr_in6
defintion, but for some reason we switch the order when decoding.
This patch fixes the order of decoding.

* sockaddr.c (print_sockaddr_data_in6): Print sin6_flowinfo field
before sin6_addr.
* NEWS: Mention this fix.
* tests/group_req.c (main): Update expected output.
* tests/net-sockaddr.c (check_in6_linklocal, check_in6): Likewise.
* tests/net-yy-inet6.c (INADDR_STR, SA_FIELDS): Likewise.
* tests/sockaddr_xlat.c (validate_in6): Likewise.

5 years agomips o32: fix build
Dmitry V. Levin [Tue, 8 Jan 2019 19:23:44 +0000 (19:23 +0000)]
mips o32: fix build

Commit 917c2ccf3a67 "Refactor stack pointers" moved mips_REG_* macros
from linux/mips/arch_regs.h to linux/mips/arch_regs.c because these
macros are no longer used outside syscall.c or files included by
syscall.c, but this caused a build regression on mips o32 because
decode_syscall_subcall() uses mips_REG_SP prior to its definition.

* syscall.c (decode_syscall_subcall): Move ...
* linux/mips/get_syscall_args.c: ... here.
* NEWS: Mention this fix.

Reported-by: Baruch Siach <baruch@tkos.co.il>
Fixes: v4.26~61 "Refactor stack pointers"
5 years agoFix build for no-MMU targets
Baruch Siach [Tue, 8 Jan 2019 16:36:20 +0000 (18:36 +0200)]
Fix build for no-MMU targets

Commit 7488ce9e23f1 "Check whether PTRACE_GET_SYSCALL_INFO is supported
by the kernel" added a fork() call in test_ptrace_get_syscall_info()
which is included in the main strace executable code.  Although the
test_ptrace_get_syscall_info() routine is not called on no-MMU targets,
the compiler can't optimize it out because it is a global symbol.
So build for no-MMU targets currently fails:

strace-ptrace_syscall_info.o: In function `test_ptrace_get_syscall_info':
ptrace_syscall_info.c:(.text+0x1c): undefined reference to `fork'

* ptrace_syscall_info.c (test_ptrace_get_syscall_info): Make
the definition depend on HAVE_FORK.
* strace.c (init): Call test_ptrace_get_syscall_info unconditionally.
* NEWS: Mention this fix.

Co-Authored-by: Dmitry V. Levin <ldv@altlinux.org>
Fixes: v4.26~50 "Check whether PTRACE_GET_SYSCALL_INFO is supported by the kernel"
5 years agolinux/mips/.gitignore: drop copyright header
Baruch Siach [Tue, 8 Jan 2019 17:15:35 +0000 (19:15 +0200)]
linux/mips/.gitignore: drop copyright header

The '/*' in the first line of the copyright header matches all files in
that directory.  No other .gitignore file has this header.  Drop it.

* linux/mips/.gitignore: Remove copyright header.

Fixes: v4.26~23 "Add copyright headers to some files that lack them"
5 years agoHonor xlat styles when decoding sockaddr_in, sockaddr_in6, and sockaddr_ll
Shankara Pailoor [Wed, 2 Jan 2019 21:15:28 +0000 (13:15 -0800)]
Honor xlat styles when decoding sockaddr_in, sockaddr_in6, and sockaddr_ll

* print_fields.h (PRINT_FIELD_NET_PORT): Handle xlat styles.
* sockaddr.c (print_sll_protocol): New function.
(print_sockaddr_data_ll, print_inet_addr, print_sockaddr_data_in6):
Handle xlat styles.
* NEWS: Mention this.
* tests/sockaddr_xlat.c: New file.
* tests/sockaddr_xlat-Xabbrev.c: Likewise.
* tests/sockaddr_xlat-Xraw.c: Likewise.
* tests/sockaddr_xlat-Xverbose.c: Likewise.
* tests/Makefile.am (EXTRA_DIST): Add sockaddr_xlat.c.
* tests/gen_tests.in (sockaddr_xlat-Xabbrev, sockaddr_xlat-Xraw,
sockaddr_xlat-Xverbose): New tests.
* tests/pure_executables.list: Add sockaddr_xlat-Xabbrev,
sockaddr_xlat-Xraw, and sockaddr_xlat-Xverbose.
* tests/.gitignore: Likewise.

5 years agoRemove PRINT_FIELD_INET4_ADDR
Dmitry V. Levin [Mon, 7 Jan 2019 23:30:52 +0000 (23:30 +0000)]
Remove PRINT_FIELD_INET4_ADDR

Reduce code duplication by removing PRINT_FIELD_INET4_ADDR
and using PRINT_FIELD_INET_ADDR instead.

* print_fields.h (PRINT_FIELD_INET4_ADDR): Remove.
* msghdr.c (print_cmsg_ip_pktinfo): Use PRINT_FIELD_INET_ADDR
instead of PRINT_FIELD_INET4_ADDR.
* net.c (print_mreq): Likewise.
* sockaddr.c (print_sockaddr_data_in): Likewise.

5 years agoxlat: update REL_* constants
Dmitry V. Levin [Sat, 5 Jan 2019 21:14:42 +0000 (21:14 +0000)]
xlat: update REL_* constants

* xlat/evdev_relative_axes.in (REL_HWHEEL_HI_RES): New constant
introduced by Linux kernel commit v5.0-rc1~18^2^7~7.
* NEWS: Mention this.

5 years agoxlat: update UDP_* constants
Dmitry V. Levin [Sat, 5 Jan 2019 21:14:42 +0000 (21:14 +0000)]
xlat: update UDP_* constants

* xlat/sock_udp_options.in (UDP_GRO): New constant introduced
by Linux kernel commit v5.0-rc1~129^2~379^2~8.
* NEWS: Mention this.

5 years agoxlat: update FAN_* constants
Dmitry V. Levin [Sat, 5 Jan 2019 21:14:42 +0000 (21:14 +0000)]
xlat: update FAN_* constants

* xlat/fan_event_flags.in (FAN_OPEN_EXEC, FAN_OPEN_EXEC_PERM): New
constants introduced by Linux kernel commits v5.0-rc1~124^2~5
and v5.0-rc1~124^2~3, respectively.
* NEWS: Mention this.
* tests/fanotify_mark.c (main): Update expected output.

5 years agoxlat: update SCTP_* constants
Dmitry V. Levin [Sat, 5 Jan 2019 21:14:42 +0000 (21:14 +0000)]
xlat: update SCTP_* constants

* xlat/sock_sctp_options.in (SCTP_EVENT): New constant introduced
by Linux kernel commit v5.0-rc1~129^2~255^2.
* NEWS: Mention this.

5 years agoxlat: update IFLA_* constants
Dmitry V. Levin [Sat, 5 Jan 2019 21:14:42 +0000 (21:14 +0000)]
xlat: update IFLA_* constants

* xlat/rtnl_ifla_info_data_bridge_attrs.in (IFLA_BR_MULTI_BOOLOPT): New
constant introduced by Linux kernel commit v5.0-rc1~129^2~207^2~2.
* NEWS: Mention this.
* tests/nlattr_ifla_linkinfo.c (main): Update.

5 years agoxlat: update NETNSA_* constants
Dmitry V. Levin [Sat, 5 Jan 2019 21:14:42 +0000 (21:14 +0000)]
xlat: update NETNSA_* constants

* xlat/rtnl_nsid_attrs.in (NETNSA_TARGET_NSID, NETNSA_CURRENT_NSID): New
constants introduced by Linux kernel commits v5.0-rc1~129^2~201^2~2
and v5.0-rc1~129^2~201^2, respectively.
* rtnl_nsid.c (rtgenmsg_nla_decoders): Add NETNSA_TARGET_NSID
and NETNSA_CURRENT_NSID.
* NEWS: Mention this.

5 years agoxlat: update SECCOMP_* constants
Dmitry V. Levin [Sat, 5 Jan 2019 21:14:42 +0000 (21:14 +0000)]
xlat: update SECCOMP_* constants

* xlat/seccomp_ops.in (SECCOMP_GET_NOTIF_SIZES): New constant introduced
by Linux kernel commit v5.0-rc1~66^2~1^2~1.
* xlat/seccomp_ret_action.in (SECCOMP_RET_USER_NOTIF): Likewise.
* xlat/seccomp_filter_flags.in (SECCOMP_FILTER_FLAG_NEW_LISTENER):
Likewise.
* NEWS: Mention this.
* tests/seccomp-filter.c (main): Update expected output.
* tests/seccomp-filter-v.c (main): Likewise.
* tests/seccomp_get_action_avail.c (main): Check SECCOMP_RET_USER_NOTIF.

5 years agoxlat: update NT_* constants
Dmitry V. Levin [Sat, 5 Jan 2019 21:14:42 +0000 (21:14 +0000)]
xlat: update NT_* constants

* xlat/nt_descriptor_types.in (NT_ARM_PAC_MASK, NT_MIPS_MSA): New
constants introduced by Linux kernel commits v5.0-rc1~35^2~21
and v5.0-rc1~30^2~58, respectively.
* NEWS: Mention this.

5 years agoxlat: update PR_* constants
Dmitry V. Levin [Sat, 5 Jan 2019 21:14:42 +0000 (21:14 +0000)]
xlat: update PR_* constants

* xlat/prctl_options.in (PR_PAC_RESET_KEYS): New constant introduced
by Linux kernel commit v5.0-rc1~35^2~19.
* NEWS: Mention this.

5 years agoxlat: update V4L2_* constants
Dmitry V. Levin [Sat, 5 Jan 2019 21:14:42 +0000 (21:14 +0000)]
xlat: update V4L2_* constants

* xlat/v4l2_buf_types.in (V4L2_BUF_TYPE_META_OUTPUT): New constant
introduced by Linux kernel commit v5.0-rc1~181^2~21.
* xlat/v4l2_device_capabilities_flags.in (V4L2_CAP_META_OUTPUT):
Likewise.
* xlat/v4l2_pix_fmts.in (V4L2_PIX_FMT_CNF4): New constant introduced
by Linux kernel commit v5.0-rc1~182^2~120.
* NEWS: Mention this.

5 years agoxlat: update KVM_CAP_* constants
Dmitry V. Levin [Sat, 5 Jan 2019 21:14:42 +0000 (21:14 +0000)]
xlat: update KVM_CAP_* constants

* xlat/kvm_cap.in (KVM_CAP_MANUAL_DIRTY_LOG_PROTECT,
KVM_CAP_HYPERV_CPUID): New constants introduced by Linux kernel commits
v5.0-rc1~156^2~115 and v5.0-rc1~156^2~74, respectively.
* NEWS: Mention this.

5 years agoxlat: update NDA_* constants
Dmitry V. Levin [Sat, 5 Jan 2019 21:14:42 +0000 (21:14 +0000)]
xlat: update NDA_* constants

* xlat/rtnl_neigh_attrs.in (NDA_PROTOCOL): New constant introduced
by Linux kernel commit v5.0-rc1~129^2~79.
* rtnl_neigh.c (ndmsg_nla_decoders): Add NDA_PROTOCOL.
* NEWS: Mention this.

5 years agoxlat: update BTRFS_FEATURE_INCOMPAT_* constants
Dmitry V. Levin [Sat, 5 Jan 2019 21:14:42 +0000 (21:14 +0000)]
xlat: update BTRFS_FEATURE_INCOMPAT_* constants

* xlat/btrfs_features_incompat.in
(BTRFS_FEATURE_INCOMPAT_METADATA_UUID): New constant introduced by Linux
kernel commit v5.0-rc1~126^2~64.
* NEWS: Mention this.

5 years agoxlat: update *_MAGIC constants
Dmitry V. Levin [Sat, 5 Jan 2019 21:14:42 +0000 (21:14 +0000)]
xlat: update *_MAGIC constants

* xlat/fsmagic.in (BINDERFS_SUPER_MAGIC): New constant introduced
by Linux kernel commit v5.0-rc1~95^2~15.
* NEWS: Mention this.

5 years agoxlat: update KERN_* constants
Dmitry V. Levin [Sat, 5 Jan 2019 21:14:42 +0000 (21:14 +0000)]
xlat: update KERN_* constants

* xlat/sysctl_kern.in (KERN_PANIC_ON_WARN, KERN_PANIC_PRINT): New
constants introduced by Linux kernel commits v3.19-rc1~135^2~91
and v5.0-rc1~38^2~16, respectively.
* configure.ac (AC_CHECK_DECLS): Add them.
* NEWS: Mention this.

5 years agoxlat: update BPF_F_* constants
Dmitry V. Levin [Thu, 3 Jan 2019 23:36:22 +0000 (23:36 +0000)]
xlat: update BPF_F_* constants

* xlat/bpf_map_flags.in (BPF_F_ZERO_SEED): New constant introduced
by Linux kernel commit v5.0-rc1~129^2~114^2~18^2~3.
* xlat/bpf_prog_flags.in (BPF_F_ANY_ALIGNMENT): New constant introduced
by Linux kernel commit v5.0-rc1~129^2~209^2~17^2~3.
* NEWS: Mention this.
* tests/bpf.c (BPF_MAP_CREATE_checks, BPF_PROG_LOAD_checks,
print_BPF_PROG_LOAD_attr3, print_BPF_PROG_LOAD_attr4): Update.

5 years agotests: fix prog_info initialization in bpf-obj_get_info_by_fd-prog*
Martin Lau [Thu, 3 Jan 2019 23:36:22 +0000 (23:36 +0000)]
tests: fix prog_info initialization in bpf-obj_get_info_by_fd-prog*

The sys_bpf(BPF_OBJ_GET_INFO_BY_FD, &bpf_prog_get_info_attr, ...) is
called in a loop.  The bpf_prog_get_info_attr.info object is in size 104
but bpf_prog_get_info_attr.info_len is in size 168.  Hence, if the prog
is jited, the second iteration onwards will have nr_jited_ksyms == 1
which is asking the kernel to fill the
bpf_prog_get_info_attr.info.jited_ksyms and it is NULL.

* tests/bpf-obj_get_info_by_fd.c (main): Clear memory beyond prog_info
at the start of every iteration.

Co-Authored-by: Dmitry V. Levin <ldv@altlinux.org>
5 years agotests: use tail_alloc instead of calloc in bpf-obj_get_info_by_fd-prog*
Dmitry V. Levin [Thu, 3 Jan 2019 23:36:22 +0000 (23:36 +0000)]
tests: use tail_alloc instead of calloc in bpf-obj_get_info_by_fd-prog*

This guarantees that map_info and prog_info objects are not accessed
out of bounds.

* tests/bpf-obj_get_info_by_fd.c: Include <string.h>.
(main): Use tail_alloc instead of calloc for map_info and prog_info.

5 years agoBring lists back to the sorted order
Dmitry V. Levin [Wed, 2 Jan 2019 00:29:09 +0000 (00:29 +0000)]
Bring lists back to the sorted order

* .gitignore: Make the list sorted again.
* Makefile.am (strace_SOURCES): Likewise.
* tests/.gitignore: Likewise.
* tests/gen_tests.in: Likewise.
* tests/Makefile.am (check_PROGRAMS, DECODER_TESTS, EXTRA_DIST):
Likewise.

5 years agotests: fix strace-k.test on alpha
Dmitry V. Levin [Tue, 1 Jan 2019 21:36:08 +0000 (21:36 +0000)]
tests: fix strace-k.test on alpha

Change strace-k.test to use chdir syscall instead of getpid syscall
because the latter is not universally available, e.g. there is no getpid
syscall on alpha.

* tests/stack-fcall-3.c (f3) <default>: Replace getpid with chdir.
* tests/strace-k.test: Likewise.
* tests/strace-k.expected: Likewise.
* tests/strace-k-demangle.expected: Likewise.
* NEWS: Mention this.

5 years agoFix preprocessor indentation
Dmitry V. Levin [Sun, 30 Dec 2018 15:35:21 +0000 (15:35 +0000)]
Fix preprocessor indentation

Indent the C preprocessor directives to reflect their nesting
using the following script:

$ cppi -l $(git grep -El '^[[:space:]]*#[[:space:]]*(if|ifdef|ifndef|elif|else|endif|define|pragma)[[:space:]]' |grep -v '\.sh$') |while read f; do
cppi < "$f" > "$f".cppi; mv "$f".cppi "$f"
done

5 years agoPost-release administrivia
Dmitry V. Levin [Sun, 30 Dec 2018 15:35:21 +0000 (15:35 +0000)]
Post-release administrivia

* NEWS: Add a header line for the next release.
* debian/changelog.in: Add a changelog entry for 4.26-1.
* strace.spec.in: Likewise.

5 years agoPrepare for 4.26 release v4.26
Dmitry V. Levin [Wed, 26 Dec 2018 18:25:10 +0000 (18:25 +0000)]
Prepare for 4.26 release

* NEWS: Update for 4.26 release.

5 years agostrace.spec.in: add a comment about the license
Dmitry V. Levin [Wed, 26 Dec 2018 18:25:10 +0000 (18:25 +0000)]
strace.spec.in: add a comment about the license

5 years agoUpdate ioctl entries from linux v4.20
Gleb Fotengauer-Malinovskiy [Wed, 26 Dec 2018 16:57:01 +0000 (19:57 +0300)]
Update ioctl entries from linux v4.20

* linux/32/ioctls_inc_align16.h: Update from linux v4.20
using ioctls_gen.sh.
* linux/32/ioctls_inc_align32.h: Likewise.
* linux/32/ioctls_inc_align64.h: Likewise.
* linux/64/ioctls_inc.h: Likewise.
* linux/x32/ioctls_inc0.h: Likewise.
* linux/mips/ioctls_arch0.h: Likewise.
* linux/powerpc/ioctls_arch0.h: Likewise.
* linux/s390/ioctls_arch0.h: Likewise.
* linux/s390x/ioctls_arch0.h: Likewise.
* NEWS: Mention this.

5 years agomaint: update for linux 4.20
Gleb Fotengauer-Malinovskiy [Wed, 26 Dec 2018 16:56:18 +0000 (19:56 +0300)]
maint: update for linux 4.20

* maint/ioctls_sym.sh: Include linux/compiler_attributes.h in every
processed file.
Use asm/ioctls.h workaround for asm-generic/ioctls.h too.

5 years agoxlat: update BPF_* constants
Dmitry V. Levin [Wed, 26 Dec 2018 03:38:33 +0000 (03:38 +0000)]
xlat: update BPF_* constants

* xlat/bpf_map_types.in (BPF_MAP_TYPE_PERCPU_CGROUP_STORAGE): New
constant introduced by Linux kernel commit v4.20-rc1~14^2~124^2~12^2~7.
(BPF_MAP_TYPE_QUEUE, BPF_MAP_TYPE_STACK): New constants introduced
by Linux kernel commit v4.20-rc1~151^2~32^2~11^2~3.
* xlat/bpf_commands.in (BPF_MAP_LOOKUP_AND_DELETE_ELEM): New constant
introduced by Linux kernel commit v4.20-rc1~151^2~32^2~11^2~2.
* tests/bpf.c (BPF_MAP_CREATE_checks): Update.

5 years agoxlat: add PR_SPEC_INDIRECT_BRANCH to pr_spec_cmds
Eugene Syromyatnikov [Fri, 14 Dec 2018 16:25:24 +0000 (17:25 +0100)]
xlat: add PR_SPEC_INDIRECT_BRANCH to pr_spec_cmds

* xlat/pr_spec_cmds.in (PR_SPEC_INDIRECT_BRANCH): New constant,
introduced by Linux commit v4.20-rc5~4^2~3.
* prctl.c (SYS_FUNC(prctl)) <case PR_GET_SPECULATION_CTRL, case
PR_SET_SPECULATION_CTRL>: Add PR_SPEC_INDIRECT_BRANCH handling.
* tests/prctl-spec-inject.c (main): Add PR_SPEC_INDIRECT_BRANCH decoding
checks, update expected output.
* NEWS: Mention this.

Co-Authored-by: Dmitry V. Levin <ldv@altlinux.org>
5 years agoxlat: update V4L2_CID_* and V4L2_PIX_FMT_* constants
Eugene Syromyatnikov [Thu, 1 Nov 2018 17:18:29 +0000 (18:18 +0100)]
xlat: update V4L2_CID_* and V4L2_PIX_FMT_* constants

* xlat/v4l2_control_ids.in (V4L2_CID_MPEG_VIDEO_MPEG2_SLICE_PARAMS,
V4L2_CID_MPEG_VIDEO_MPEG2_QUANTIZATION): New constants, introduced
by Linux commit v4.20-rc1~51^2~4.
* xlat/v4l2_pix_fmts.in (V4L2_PIX_FMT_MPEG2_SLICE): Likewise.
(V4L2_PIX_FMT_SUNXI_TILED_NV12): New constant, introduced by Linux
commit v4.20-rc1~51^2~3.
* NEWS: Mention this.

Co-Authored-by: Dmitry V. Levin <ldv@altlinux.org>
5 years agoxlat: add ABS_RESERVED to evdev_abs
Eugene Syromyatnikov [Thu, 1 Nov 2018 17:10:06 +0000 (18:10 +0100)]
xlat: add ABS_RESERVED to evdev_abs

* xlat/evdev_abs.in (ABS_RESERVED): New constant, introduced by Linux
commit v4.20-rc1~133^2~2^2.
* NEWS: Mention this.

Co-Authored-by: Dmitry V. Levin <ldv@altlinux.org>
5 years agoxlat: add REL_RESERVED and REL_WHEEL_HI_RES to evdev_relative_axes
Eugene Syromyatnikov [Thu, 1 Nov 2018 17:08:15 +0000 (18:08 +0100)]
xlat: add REL_RESERVED and REL_WHEEL_HI_RES to evdev_relative_axes

* xlat/evdev_relative_axes.in (REL_RESERVED): New constant, introduced
by Linux commit v4.20-rc1~133^2~2^2.
(REL_WHEEL_HI_RES): New constant, introduced by Linux commit
v4.20-rc1~133^2~2^2~6 and updated by Linux commit v4.20-rc1~133^2~2^2.
* NEWS: Mention this.

Co-Authored-by: Dmitry V. Levin <ldv@altlinux.org>
5 years agoxlat: update kvm_cap
Eugene Syromyatnikov [Sun, 23 Sep 2018 22:43:52 +0000 (00:43 +0200)]
xlat: update kvm_cap

* xlat/kvm_cap.in (KVM_CAP_NESTED_STATE): New constant, introduced
by Linux commit v4.19-rc1~87^2~62.
(KVM_CAP_ARM_INJECT_SERROR_ESR): New constant, introduced by Linux
commit v4.19-rc1~55^2~12^2~14, merged with its final value
in v4.19-rc1~55^2~12.
(KVM_CAP_MSR_PLATFORM_INFO): New constant, introduced by Linux commit
v4.19-rc5~8^2~2.
(KVM_CAP_PPC_NESTED_HV): New constant, introduced by Linux commit
v4.20-rc1~113^2~107^2~1.
(KVM_CAP_HYPERV_SEND_IPI): New constant, introduced by Linux commit
v4.20-rc1~113^2~72.
KVM_CAP_COALESCED_PIO): New constant, introduced by Linux commit
v4.20-rc1~113^2~31.
(KVM_CAP_HYPERV_ENLIGHTENED_VMCS): New constant, introduced by Linux
commit v4.20-rc1~113^2~25.
(KVM_CAP_EXCEPTION_PAYLOAD): New constant, introduced by Linux commit
v4.20-rc1~113^2~8.
(KVM_CAP_ARM_VM_IPA_SIZE): New constant, introduced by Linux commit
v4.20-rc1~113^2~5^2~8 and updated by Linux commit
v4.20-rc1~113^2~5.
* NEWS: Mention this.

Co-Authored-by: Dmitry V. Levin <ldv@altlinux.org>
5 years agoxlat: add IFA_TARGET_NETNSID to rtnl_addr_attrs
Eugene Syromyatnikov [Thu, 1 Nov 2018 16:34:10 +0000 (17:34 +0100)]
xlat: add IFA_TARGET_NETNSID to rtnl_addr_attrs

* xlat/rtnl_addr_attrs.in (IFA_TARGET_NETNSID): New constant, introduced
by Linux commit v4.20-rc1~14^2~428^2~7.
* NEWS: Mention this.

Co-Authored-by: Dmitry V. Levin <ldv@altlinux.org>
5 years agoxlat: update neighbor_cache_entry_flags
Eugene Syromyatnikov [Thu, 1 Nov 2018 16:29:29 +0000 (17:29 +0100)]
xlat: update neighbor_cache_entry_flags

* xlat/neighbor_cache_entry_flags.in (NTF_OFFLOADED): New constant,
introduced by Linux commit v4.13-rc1~157^2~252^2~13.
(NTF_STICKY): New constant, introduced by Linux commit
v4.20-rc1~14^2~392.
(NTF_USE, NTF_SELF, NTF_MASTER, NTF_PROXY, NTF_EXT_LEARNED, NTF_ROUTER):
Add fallback definitions.
* NEWS: Mention this.

Co-Authored-by: Dmitry V. Levin <ldv@altlinux.org>
5 years agoxlat: add flow dissector bpf program type constants
Eugene Syromyatnikov [Thu, 1 Nov 2018 16:15:24 +0000 (17:15 +0100)]
xlat: add flow dissector bpf program type constants

* xlat/bpf_attach_type.in (BPF_FLOW_DISSECTOR): New constant
introduced by Linux commit v4.20-rc1~14^2~259^2~9^2~4.
* xlat/bpf_prog_types.in (BPF_PROG_TYPE_FLOW_DISSECTOR): Likewise.
* NEWS: Mention this.
* tests/bpf.c (BPF_PROG_LOAD_checks, BPF_PROG_QUERY_checks): Update.
* tests/kernel_version.c (print_bpf_attr): Update.

Co-Authored-by: Dmitry V. Levin <ldv@altlinux.org>
5 years agortnl_tc: add TCA_STATS_BASIC_HW
Eugene Syromyatnikov [Thu, 1 Nov 2018 16:01:29 +0000 (17:01 +0100)]
rtnl_tc: add TCA_STATS_BASIC_HW

* xlat/rtnl_tca_stats_attrs.in (TCA_STATS_BASIC_HW): New constant,
introduced by Linux commit v4.20-rc1~14^2~274^2~1.
* rtnl_tc.c (tca_stats_nla_decoders): Add TCA_STATS_BASIC_HW.
* NEWS: Mention this.

Co-Authored-by: Dmitry V. Levin <ldv@altlinux.org>
5 years agoxlat: add NETLINK_DUMP_STRICT_CHK to sock_netlink_options
Eugene Syromyatnikov [Thu, 1 Nov 2018 15:41:01 +0000 (16:41 +0100)]
xlat: add NETLINK_DUMP_STRICT_CHK to sock_netlink_options

* xlat/sock_netlink_options.in (NETLINK_DUMP_STRICT_CHK): New constant,
introduced by Linux commit v4.20-rc1~14^2~130^2~17.
* NEWS: Mention this.

Co-Authored-by: Dmitry V. Levin <ldv@altlinux.org>
5 years agoxlat: add IFLA_BR_VLAN_STATS_PER_PORT to rtnl_ifla_info_data_bridge_attrs
Eugene Syromyatnikov [Thu, 1 Nov 2018 15:31:14 +0000 (16:31 +0100)]
xlat: add IFLA_BR_VLAN_STATS_PER_PORT to rtnl_ifla_info_data_bridge_attrs

* xlat/rtnl_ifla_info_data_bridge_attrs.in
(IFLA_BR_VLAN_STATS_PER_PORT): New constant, introduced by Linux commit
v4.20-rc1~14^2~90.
* rtnl_link.c (ifla_info_data_bridge_nla_decoders): Add
IFLA_BR_VLAN_STATS_PER_PORT.
* NEWS: Mention this.
* tests/nlattr_ifla_linkinfo.c (main): Check it.

Co-Authored-by: Dmitry V. Levin <ldv@altlinux.org>
5 years agoxlat: add TCP_CLOSE to netlink_states
Eugene Syromyatnikov [Sat, 20 Oct 2018 04:16:05 +0000 (06:16 +0200)]
xlat: add TCP_CLOSE to netlink_states

* xlat/netlink_states.in: Decode state 7 as TCP_CLOSE, since that's what
net core sets socket's initial state to.

5 years agoxlat: add fallback definitions to setsock_ipv6_options
Eugene Syromyatnikov [Mon, 15 Oct 2018 15:56:42 +0000 (17:56 +0200)]
xlat: add fallback definitions to setsock_ipv6_options

* xlat/setsock_ipv6_options.in: Add fallback definitions.

5 years agoxlat: add SOL_CAN_* to socketlayers
Eugene Syromyatnikov [Mon, 15 Oct 2018 15:32:01 +0000 (17:32 +0200)]
xlat: add SOL_CAN_* to socketlayers

* xlat/socketlayers.in (SOL_CAN_BASE): New constant, introduced by Linux
commit v2.6.25-rc1~1162^2~1414.
(SOL_CAN_RAW): New constant, introduced by Linux commit
v2.6.25-rc1~1162^2~1413.
* NEWS: Mention this.

Co-Authored-by: Dmitry V. Levin <ldv@altlinux.org>
5 years agoxlat: add FAN_ENABLE_AUDIT and FAN_REPORT_TID to fan_init_flags
Eugene Syromyatnikov [Mon, 10 Sep 2018 23:45:30 +0000 (01:45 +0200)]
xlat: add FAN_ENABLE_AUDIT and FAN_REPORT_TID to fan_init_flags

* xlat/fan_init_flags.in (FAN_ENABLE_AUDIT): New constant, introduced
by Linux commit v4.15-rc1~130^2^2~11.
(FAN_REPORT_TID): New constant, introduced by Linux commit
v4.20-rc1~75^2~2.
* NEWS: Mention this.
* tests/fanotify_init.c (main): Update expected output.

Co-Authored-by: Dmitry V. Levin <ldv@altlinux.org>
5 years agoxlat: update siginfo_codes
Eugene Syromyatnikov [Mon, 15 Oct 2018 15:47:01 +0000 (17:47 +0200)]
xlat: update siginfo_codes

* xlat/siginfo_codes.in (SI_LWP): Remove, as it is not present on Linux.
(SI_NOINFO): Define only on SPARC, provide fallback value.

5 years agoloop: use XLAT_MACROS_ONLY instead of #stop
Eugene Syromyatnikov [Fri, 26 Oct 2018 00:03:40 +0000 (02:03 +0200)]
loop: use XLAT_MACROS_ONLY instead of #stop

As the former allows controlling presence of xlat definitions
during the inclusion and not header generation.

* xlat/loop_cmds.in: Remove #stop.
* loop.c: Wrap "xlat/loop_cmds.h" inclusion in XLAT_MACROS_ONLY.
* tests/ioctl_loop.c: Likewise.

5 years agosyslog: move constant definitions to xlat
Eugene Syromyatnikov [Wed, 26 Sep 2018 16:28:55 +0000 (18:28 +0200)]
syslog: move constant definitions to xlat

* syslog.c (enum): Remove.
* xlat/syslog_action_type.in: Add fallback definitions.

5 years agoAdd copyright headers to some files that lack them
Dmitry V. Levin [Mon, 24 Dec 2018 23:46:43 +0000 (23:46 +0000)]
Add copyright headers to some files that lack them

We do our best to keep copyright headers up to date, yet
git history provides better information on this subject
and is more accurate than copyright headers.