On Sun, Apr 02, 2017 at 04:29:36AM +0300, Edgar Kaziahmedov wrote:
> https://github.com/edosedgar/xs-pkg/blob/master/proposal.txt
The other thing (besides syscallents.h) I think might useful to leverage
is the current syscall filtering mechanism, so it would be possible to
check out which system c
On Mon, Apr 03, 2017 at 08:08:34PM +0530, sandhya bankar wrote:
> Please review my proposal link for the project "Comprehensive test suite"
>
> https://docs.google.com/document/d/1RY5cdJGb0UVN-5q5imuwrcVnFRlVgM0Rx3okdrfkxTU/edit?usp=sharing
Can you please provide information regarding the sched
On Mon, Apr 03, 2017 at 08:51:34PM +0530, sandhya bankar wrote:
> To deal with code coverage, I will run individual test cases to find
> out why the coverage is below 100%.
OK, let's be more specific: what are your suggestions in regards of
increasing coverage of dm.c up to 100%?
On Mon, Apr 03, 2017 at 09:26:59PM +0530, sandhya bankar wrote:
> On Mon, Apr 3, 2017 at 9:10 PM, Eugene Syromiatnikov wrote:
> > On Mon, Apr 03, 2017 at 08:51:34PM +0530, sandhya bankar wrote:
> >> To deal with code coverage, I will run individual test cases to find
> >&
On Mon, Apr 03, 2017 at 07:46:10PM +0300, Dmitry Savelyev wrote:
> Hello. My name is Dmitry Savelyev and I'm a third year student at CMC MSU
> looking to participate in this year's GSoC with strace.
>
> I have, of course, already submitted my proposal for netlink socket parsers,
> although I did k
On Fri, Mar 31, 2017 at 07:20:52PM +0800, JingPiao Chen wrote:
[...]
> diff --git a/color.h b/color.h
> new file mode 100644
> index 000..8e58c90
> --- /dev/null
> +++ b/color.h
> @@ -0,0 +1,29 @@
> +#ifndef STRACE_COLOR_H
> +#define STRACE_COLOR_H
> +
> +#define C_CLEAR "\033[0m"
On Tue, Apr 04, 2017 at 03:27:35AM +0300, Dmitry V. Levin wrote:
> V4L2_BUF_FLAG_INPUT was removed in Linux 3.6, so you sync removes it but
> the changelog just says about new flags.
I haven't looked at the patch yet, but personally I'm against removal of
anything which is supported by at least on
On Thu, Apr 13, 2017 at 04:32:31PM +0300, Edgar Kaziahmedov wrote:
> On Wed, 12 Apr 2017 04:15:28 +0300
> "Dmitry V. Levin" wrote:
>
> > v2.5.46~39^2~23^2~4
>
> I am sorry for this question, but Linux kernel placed on kernel.org
> consists of the earliest version just Linux-2.6.12-rc2. How do
>
On Sun, May 07, 2017 at 10:47:02PM +0800, JingPiao Chen wrote:
> Hi, strace community:
>
> My name is JingPiao Chen. I'm luckily selected by strace to work on
> Netlink socket parsers in GSoC this year. My main goal is to extend to
> support
> more netlink family protocols.
>
> I want to
On Wed, May 03, 2017 at 09:06:28PM +0530, Abhishek Tiwari wrote:
> I have read about netlink packet structure and its use for IPC between
> kernel and userspace and different processes in user space.
>
> There are various commits from Saruta's netlink branch that have still
> not been merged into
On Tue, May 09, 2017 at 06:33:16PM -0400, Andy Riebs wrote:
> With kernel address space randomization enabled (the default, "sysctl
> kernel.randomize_va_space=1"), the build is just fine. However, if it is
> disabled (sysctl kernel.randomize_va_space=0"), the quotactl tests fail,
> as shown bel
On Fri, May 12, 2017 at 09:34:21PM +0700, Nikolay Marchuk wrote:
> Hello,
> I found that my Gsoc project and Victor Krapivenskiy's project are
> conflicting because both of them include syscall filtering. My solution
> of this conflict is to remove filtering part from Viktor's project and I
> will
On Sun, Jun 04, 2017 at 01:15:05PM +0700, Nikolay Marchuk wrote:
> Hello,
> This message describes new filtering architecture. Please, review it and
> give me feedback.
>
> Filtering language.
> The format of new filtering expression is:
>
> action(expr [, argument1=value1[,argument2=value2
On Sun, Jun 04, 2017 at 01:15:05PM +0700, Nikolay Marchuk wrote:
> Hello,
> This message describes new filtering architecture. Please, review it and
> give me feedback.
One more aspect which I forgot to cover: by which means you expect
to provide backwards compatibility for the existing filtering
On Mon, Jun 05, 2017 at 09:54:29AM +0300, Edgar Kaziahmedov wrote:
> Hi, Strace Community
>
> Advanced syscall information tool
> Accomplishments:
> -> Edited configure and created Makefile.am's in tools and tools/asinfo
> directories to build multiple executables.
> -> Confirmed the final version
On Sat, Jun 10, 2017 at 11:17:29PM +0300, Victor Krapivensky wrote:
> * Makefile.am: Build with LuaJIT if configured so.
> (strace_SOURCES): Add defs_reuse.h.
> * configure.ac: Add new --with-luajit configure option.
> * defs.h: Move code that needs to be fed to LuaJIT's FFI to...
> * defs_reuse.h:
On Thu, Jun 15, 2017 at 11:22:57AM +0700, Nikolay Marchuk wrote:
> This change introduces new filtering architecture primitives: filter,
> filter_action and bool_expression. It also splits qualify.c
> into basic_filters.c and basic_actions.c and changes processing of -e
> strace option. Now, filter
On Thu, Jun 15, 2017 at 03:14:05PM +0300, Edgar Kaziahmedov wrote:
> Main features were described in the status report,
It's better to reiterate the description in the commit message, as the
phrase "described in the status report" would be of little value in
several years from now.
> for example n
On Thu, Jun 29, 2017 at 02:46:11PM +0700, Nikolay Marchuk wrote:
> This change introduces new filtering architecture primitives: filter,
> filter_action and bool_expression. It also changes processing of -e
> strace option. Now, filtering is done after decoding of syscall and
> tcp->qual_flg stores
On Thu, Jun 29, 2017 at 02:46:12PM +0700, Nikolay Marchuk wrote:
> * basic_actions.c (parse_inject, parse_fault, apply_fault): Implement.
> (apply_inject): Change inject private data.
> * defs.h (inject_vec): Remove.
> (inject_opts): Add init flag.
> * filter.h (parse_inject_token): Add definition.
On Thu, Jun 29, 2017 at 02:46:13PM +0700, Nikolay Marchuk wrote:
> * basic_actions (apply_read, apply_write): Add syscall check.
> * basic_filters (run_fd_filter): Implement more accurate fd filtering.
> * defs.h (read_dumped, write_dumped): Add new flag checking macroses.
> * syscall.c (dumpio): A
On Thu, Jun 29, 2017 at 02:46:14PM +0700, Nikolay Marchuk wrote:
> * filter_action.c (default_flags, clear_default_flags): Add default flags.
> (add_action): Use action type as argument. Clear default flags.
> (filter_syscall): Add default_flags to qual_flg.
> * strace.c (init): Remove default filt
On Thu, Jun 29, 2017 at 02:46:15PM +0700, Nikolay Marchuk wrote:
> * defs.h (parse_action): Add definition.
> * filter.c: Add filters parsing function.
> * filter.h: Add new definitions.
> * filter_action.c: Add action parsing function.
> * filter_expression.c: Add expression parsing function.
> *
On Wed, Jun 28, 2017 at 05:56:39AM +0300, Edgar Kaziahmedov wrote:
> According to the current state of affairs, strace.c contains
"According to the current state of affairs" makes little sense to me. It
probably will be better if the reason for the change is mentioned in the
first place, like "In o
On Wed, Jun 28, 2017 at 05:56:40AM +0300, Edgar Kaziahmedov wrote:
> From: Edgar Kaziahmedov
>
> The first version of asinfo tool. The asinfo tool has the
> following architecture:
> architecture dispatcher->system call dispatcher->filter dispatcher
>
> As for arch. dispatcher, the asinfo has ge
On Wed, Jun 28, 2017 at 05:56:40AM +0300, Edgar Kaziahmedov wrote:
> ...
I've also forgot to mention the lack of documentation, test suite,
and wiring of the tool installation in the spec/dsc files.
--
Check out the vibra
On Wed, Jul 05, 2017 at 04:47:18PM +0700, Nikolay Marchuk wrote:
> >> +void
> >> +set_filters_qualify_mode(struct filter **filters, unsigned int *nfilters)
> >> +{
> >> + unsigned int i;
> >> + for (i = 0; i < *nfilters - 1; ++i) {
> >> + free_filter(*filters + i);
> >> + }
> >> + **fi
On Tue, Jul 11, 2017 at 02:48:50PM +0300, Victor Krapivensky wrote:
> This patch implies that we have process_vm_writev if and only if we have
Rather, the check. However, I'd prefer that process_vm_write's
availability is checked separately.
> process_vm_readv, and that they are either both suppor
On Tue, Jul 11, 2017 at 02:48:48PM +0300, Victor Krapivensky wrote:
> * .gitignore: Add luajit_lib.h.
> * Makefile.am: Build with LuaJIT if configured so.
> (strace_SOURCES): Add defs_shared.h, ffi.h.
> (luajit_lib.h): Auto-generate from luajit_lib.lua.
> * configure.ac: Add new --with-luajit confi
On Fri, Jul 14, 2017 at 09:55:31PM +0700, Nikolay Marchuk wrote:
> This change introduces new filtering architecture primitives: filter,
> filter_action and bool_expression. It also changes processing of -e
> strace option.
In which way? My understanding was that only implementation is what has
cha
On Wed, Jul 19, 2017 at 05:26:47PM +0700, Nikolay Marchuk wrote:
> * pathtrace.c (match_fd_common, pathtrace_match_set): Move fd matching to
> separate function.
> * filter.h (match_fd_common): Add new declaration.
> * basic_filters.c (run_fd_filter): Use match_fd_common for fd filter.
> ---
> bas
Here's a draft of some small and quirky test for checking path tracing
functionality, which you might found useful before some proper pathtrace
test will be adopted in master:
https://github.com/esyr-rh/strace/tree/pathtrace
-
On Wed, Jul 19, 2017 at 05:26:49PM +0700, Nikolay Marchuk wrote:
> * filter.h (parse_filter_action, parse_filter_expression): Add new
> declarations.
> * filter_action.c (parse_filter_action): Add new parsing function.
> * filter_expression.c (parse_filter_expression): Implement parsing of filter
On Wed, Jul 19, 2017 at 05:26:50PM +0700, Nikolay Marchuk wrote:
> * basic_filters.c: Add path filter functions.
> * filter.c (filter_types): Add path filter entries.
> ---
> basic_filters.c | 34 ++
> filter.c| 4 +++-
> 2 files changed, 37 insertions(+),
On Wed, Jul 19, 2017 at 05:26:51PM +0700, Nikolay Marchuk wrote:
> * tests/filtering_fd-syntax.test: New file.
> * tests/filtering_fd.c: Likewise.
> * tests/filtering_fd.test: Likewise.
> * tests/options-syntax.test: Remove fd filtering checks.
> * tests/.gitignore: Add filtering_fd.
> * tests/Make
On Tue, Jul 25, 2017 at 06:26:06PM +0700, Nikolay Marchuk wrote:
> Hello, strace community!
>
> Project: Advanced syscall filtering syntax.
>
>
> Accomplishments: this week I've been working on improvements of fd
> filtering. Unfortunately, I haven't found good solution for the issue
> with nega
On Tue, Jul 25, 2017 at 03:59:50PM +0300, Victor Krapivensky wrote:
> * .gitignore: Add luajit_lib.h.
> * Makefile.am: Build with LuaJIT if configured so.
> (strace_SOURCES): Add defs_shared.h, ffi.h.
> (luajit_lib.h): Auto-generate from luajit_lib.lua.
> * configure.ac: Add new --with-luajit confi
On Tue, Jul 25, 2017 at 03:59:52PM +0300, Victor Krapivensky wrote:
> This patch implies that we have process_vm_writev if and only if we have
> process_vm_readv, and that they are either both supported or both
> unsupported.
>
> * defs.h: Add declaration for upoken.
> * luajit.h (func_upoke): New
On Tue, Jul 25, 2017 at 03:59:54PM +0300, Victor Krapivensky wrote:
> * tests/.gitignore: Add lua.
> * tests/Makefile.am (check_PROGRAMS): Likewise.
> (LUAJIT_TESTS): New variable.
> (TESTS): Add LUAJIT_TESTS.
> (EXTRA_DIST): Add lua.sh, lua-basics.test, lua-qual.test,
> lua-tampering.test.
> * tes
On Fri, Jul 28, 2017 at 06:43:25PM +0300, Edgar Kaziakhmedov wrote:
> From: Edgar Kaziakhmedov
>
> The 1.2 version of asinfo tool. The asinfo tool has the
This version is not mentioned anywhere else.
> following architecture:
> commnand dispatcher->architecture dispatcher->abi dispatcher->
"comm
Hello.
As GSoC 2017 nearing its completion, I decided that it's time to try to
look at the merged version of the code. You can have a look at the
results of my attempt at [1]. Some notes:
* As expected, most conflicts are between Victor's and Nikolay's work.
Edgar's part is applying without a
On Wed, Aug 02, 2017 at 12:36:43PM +0700, Nikolay Marchuk wrote:
> This change introduces new filtering architecture primitives: filter,
> filter_action and bool_expression. Filtering is now done after decoding of
> syscall and tcp->qual_flg stores filtering results.
>
> * basic_actions.c: New fil
On Wed, Aug 02, 2017 at 12:36:44PM +0700, Nikolay Marchuk wrote:
> * pathtrace.c (match_fd_common, pathtrace_match_set): Move fd matching to
> separate function.
> * filter.h (match_fd_common): Add new declaration.
> * basic_filters.c (run_fd_filter): Use match_fd_common for fd filter.
> ---
> bas
On Wed, Aug 02, 2017 at 12:36:45PM +0700, Nikolay Marchuk wrote:
> * filter_action.c (default_flags, update_default_flags): Add default flags.
> (add_action): Clear default flags.
> (filter_syscall): Add default_flags to qual_flg.
> (filtering_parse_finish): Init trace action for pathtracing. Don't
On Wed, Aug 02, 2017 at 12:36:46PM +0700, Nikolay Marchuk wrote:
> * filter.h (parse_filter_action, parse_filter_expression): Add new
> declarations.
> * filter_action.c (parse_filter_action): Add new parsing function.
> (filtering_parse_function): Use filtering_parse instead of
> parse_qualify_fi
On Wed, Aug 02, 2017 at 12:36:47PM +0700, Nikolay Marchuk wrote:
> * basic_filters.c: Add path filter functions.
> * filter.c (filter_types): Add path filter entries.
> ---
> basic_filters.c | 31 +++
> filter.c| 2 ++
> 2 files changed, 33 insertions(+)
>
> d
On Wed, Aug 02, 2017 at 12:36:49PM +0700, Nikolay Marchuk wrote:
> * defs.h (QUAL_STACKTRACE): Add new qual flag.
> (stacktrace): Add macro for checking QUAL_STACKTRACE.
> (stack_trace_enabled): Change description.
> * filter_action.c (action_types): Declare and add new filter action type.
> (updat
On Wed, Aug 02, 2017 at 12:50:54PM +0300, Victor Krapivensky wrote:
> * .gitignore: Add luajit_lib.h.
> * Makefile.am: Build with LuaJIT if configured so.
> (strace_SOURCES): Add defs_shared.h, ffi.h.
> (luajit_lib.h): Auto-generate from luajit_lib.lua.
> * configure.ac: Add new --with-luajit confi
On Wed, Aug 02, 2017 at 12:50:56PM +0300, Victor Krapivensky wrote:
> This patch implies that we have process_vm_writev if and only if we have
> process_vm_readv, and that they are either both supported or both
> unsupported.
>
> * defs.h: Add declaration for upoken.
> * luajit.h (func_upoke): New
On Sat, Aug 05, 2017 at 04:57:34AM +0300, Edgar Kaziakhmedov wrote:
> From: Edgar Kaziakhmedov
"virtuozzo"
>
> In order to allow usage of utility functions by other binaries
> included in the strace package (like the upcoming asinfo utility),
> these functions should be moved to separate files.
On Sat, Aug 05, 2017 at 04:57:35AM +0300, Edgar Kaziakhmedov wrote:
> In order to allow usage shorthand notations of defines in sysent.h file
"usage of shorthand notations of definitions from sysent.h used in
syscallent.h files"
> by other binaries in the strace package these defines should be mov
On Tue, Aug 01, 2017 at 01:13:56AM +0300, Edgar Kaziakhmedov wrote:
> On Mon, 31 Jul 2017 06:19:23 +0200
> Eugene Syromiatnikov wrote:
> > > +enum impl_type
> > > +al_sck_syscall(struct arch_service *m, unsigned index)
> > > +{
> > > + struct arch_descri
On Sat, Aug 05, 2017 at 04:57:36AM +0300, Edgar Kaziakhmedov wrote:
> From: Edgar Kaziakhmedov
"virtuozzo"
>
> The main purpose of this program is to present all information concluded
> at sysent.h files as a query tool.
> The asinfo tool has the following architecture:
> command dispatcher->arc
On Sat, Aug 05, 2017 at 04:57:36AM +0300, Edgar Kaziakhmedov wrote:
> +
> +#define ARCH_DESC_DEFINE(arch, base_arch, mode) \
> + [ARCH_##arch##_##mode] = { \
> + .arch_num = ARCH_##arch##_##mode, \
> + .arch_name = #arch, \
> + .arc
On Fri, Aug 11, 2017 at 05:43:48PM +0700, Nikolay Marchuk wrote:
> * pathtrace.c (match_fd_common, pathtrace_match_set): Move fd matching to
> separate function.
> * filter.h (match_fd_common): Add new declaration.
> * basic_filters.c (run_fd_filter): Use match_fd_common for fd filter.
> ---
> bas
On Fri, Aug 11, 2017 at 05:43:49PM +0700, Nikolay Marchuk wrote:
> * filter_action.c (default_flags): Add default flags variable.
> (add_action): Update default flags.
> (filter_syscall): Add default_flags to qual_flg.
> (filtering_parse_finish): Init trace action for pathtracing.
> * strace.c (ini
On Sat, Aug 12, 2017 at 03:23:24PM +0700, Nikolay Marchuk wrote:
> * basic_filters.c (parse_set, parse_syscall_set): Use set inversion only in
> qualify mode.
> * filter.h (parse_filter_action, parse_qualify_action,
> parse_filter_expression): Add new declarations.
> * filter_action.c (parse_filter
On Fri, Aug 11, 2017 at 05:43:52PM +0700, Nikolay Marchuk wrote:
> * tests/filtering_fd-syntax.test: New file.
> * tests/filtering_fd.c: Likewise.
> * tests/filtering_fd.test: Likewise.
> * tests/options-syntax.test: Remove fd filtering checks.
> * tests/.gitignore: Add filtering_fd.
> * tests/Make
On Fri, Aug 11, 2017 at 05:43:53PM +0700, Nikolay Marchuk wrote:
> * defs.h (QUAL_STACKTRACE): Add new qual flag.
> (stacktrace): Add macro for checking QUAL_STACKTRACE.
> (stack_trace_enabled): Change description.
> * filter_action.c (action_types): Declare and add new filter action type.
> (updat
On Tue, Aug 15, 2017 at 01:09:23AM +0300, Victor Krapivensky wrote:
> * .gitignore: Add luajit_lib.h.
> * Makefile.am: Build with LuaJIT if configured so.
> (strace_SOURCES): Add defs_shared.h, ffi.h.
> (luajit_lib.h): Auto-generate from luajit_lib.lua.
> * basic_filters.c (make_number_set_universa
On Fri, Aug 25, 2017 at 11:33:30PM +0300, Victor Krapivensky wrote:
> strace is built with a Lua implementation, not a FFI library. LuaJIT
> comes with its own FFI library, non-LuaJIT users have to install a
> standalone one. A compile-time difference is that LuaJIT defines
> LUA_FFILIBNAME, and, i
On Thu, Nov 02, 2017 at 06:38:39AM +0300, Dmitry V. Levin wrote:
> On Tue, Oct 17, 2017 at 02:29:31PM -0400, Stan Cox wrote:
> [...]
> > + /* Make sure SIGCHLD has the default action so that waitpid
> > + definitely works without losing track of children. The user
> > + should not have
On Fri, Jan 05, 2018 at 04:15:10PM -0500, DJ Delorie wrote:
>
> "Dmitry V. Levin" writes:
> > checking whether mpers.sh -m32 works... gawk: ./mpers.awk:42:
> > array_return = array[array_idx][array_member]
> > gawk: ./mpers.awk:42: ^ syntax error
> > ...
> > no
On Sat, Jan 20, 2018 at 12:23:23PM +0100, Heiko Carstens wrote:
> On Thu, Jan 18, 2018 at 07:16:31AM +0100, Eugene Syromyatnikov wrote:
> > Hello.
> >
> > This patch set introduces compat personality support on s390x along with
> > decoders of s390-specific system calls.
> >
> > Unfortunately, I
On Mon, Jan 22, 2018 at 02:16:43PM +0100, Heiko Carstens wrote:
> On Thu, Jan 18, 2018 at 07:16:44AM +0100, Eugene Syromyatnikov wrote:
> > +static void
> > +print_sthyi_hypervisor(struct tcb *tcp, struct sthyi_hypervisor *hdr,
> > + uint16_t size, int num, bool mt)
> > +{
> > +
On Tue, Feb 06, 2018 at 04:03:05PM +0530, Abhishek Tiwari wrote:
> I want to work on this issue. Please clarify syntax of *printxval* function.
What do you mean by "syntax"? For what it's worth, printxval is a
simple wrapper around printxvals for the case when there's only one xlat
table to get n
On Fri, Feb 09, 2018 at 03:06:52PM +0530, Abhishek Tiwari wrote:
> please do reply
Well, I did [1].
[1] https://sourceforge.net/p/strace/mailman/message/36217447/
--
Check out the vibrant tech community on one of the wor
On Thu, Feb 15, 2018 at 12:39:15AM +0100, Andreas Schwab wrote:
> 4.21 fails to build for aarch64:
>
> checking gnu/stubs-32.h usability... no
> checking gnu/stubs-32.h presence... no
> checking for gnu/stubs-32.h... no
> configure: Created empty gnu/stubs-32.h
> checking for m32 personality compi
On Mon, Feb 19, 2018 at 09:21:59PM +0100, Andreas Schwab wrote:
> On Feb 19 2018, Eugene Syromiatnikov wrote:
>
> > On Mon, Feb 19, 2018 at 07:31:57PM +0100, Andreas Schwab wrote:
> >> On Feb 19 2018, Eugene Syromiatnikov wrote:
> >>
> >> > On Thu,
On Thu, Feb 15, 2018 at 07:07:59PM +0530, Abhishek Tiwari wrote:
> Hi,
>
> I want to work on microproject
>
> extend -e trace=class syntax with new classes
>
>
> I have gone through mailing list. Is following grouping ok
>
> {,l,f}setxattr TRACE_SETXATTR TFX
Doesn't -e trace='/[lf]?
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