xlat: override values of KEY_RFKILL and KEY_BRIGHTNESS_MIN constants
KEY_RFKILL and KEY_NUMERIC_A constants were introduced by Linux kernel
commits v2.6.33~17^2~2 and v4.1-rc1~150^2~1^10~6, respectively.
Apparently, RHEL6 introduced an alternative KEY_RFKILL constant
with the same value as upstream KEY_NUMERIC_A.
KEY_BRIGHTNESS_MIN and KEY_BRIGHTNESS_MAX constants were introduced
by Linux kernel commit v3.16-rc1~30^2~6^2~1^2~7.
Apparently, RHEL7 introduced an alternative KEY_BRIGHTNESS_MIN constant
with the same value as upstream KEY_BRIGHTNESS_MAX.
Downstream vendors are *not* allowed to do this.
Ignore the system value of KEY_RFKILL and KEY_BRIGHTNESS_MIN.
Linux kernel commit v4.9-rc8~12^2 has changed the value of KEY_DATA
constant introduced by commit v4.7-rc6~32^2~6^2 because the old value
was already used by KEY_FASTREVERSE.
Looks like the best way to handle this situation is to pretend that
the old value of KEY_DATA didn't exist.
xlat: override the value of AUDIT_FEATURE_CHANGE constant
Linux kernel commit v3.15-rc1~18^2~1 has changed the value
of AUDIT_FEATURE_CHANGE constant introduced by commit v3.13-rc1~19^2~20
which is of course an ABI breakage that affected 3.13 and 3.14 kernel
releases as well as their LTS derivatives.
Linux kernel commit v3.15-rc1~18^2~1 also claims that the old value
of AUDIT_FEATURE_CHANGE was ignored by userspace because of the
established convention how netlink messages for the audit system
are divided into blocks.
Looks like the best way to handle this situation is to pretend that
the old value of AUDIT_FEATURE_CHANGE didn't exist.
build: try to use _Static_assert if static_assert is not available
* configure.ac: Check for _Static_assert if static_assert
is not available.
* static_assert.h [!HAVE_STATIC_ASSERT && HAVE__STATIC_ASSERT]
(static_assert): Define to _Static_assert.
evdev: support various types of xlats in decode_bitset
* evdev.c (enum xlat_type): New enumeration.
(printxval_dispatch): New function.
(decode_bitset_): Rename from decode_bitset, add decode_nr_size
and xt arguments, call printxval_dispatch instead of printxval.
(decode_bitset): Add a decode_bitset_ wrapper that derives
decode_nr_size from the ARRAY_SIZE of decode_nr.
(bit_ioctl, evdev_read_ioctl): Update decode_bitset calls.
There are quite a few xlats that start from 0 and not too sparse,
we can push the search time for them down to O(1).
* defs.h (printxval_indexn_ex): New declaration.
(printxval_indexn, printxval_index, printxval_index_ex): New macros.
* xlat.c (printxval_sized): Rename from printxval_searchn_ex,
add fn argument, call it instead of xlat_search.
(printxval_searchn_ex): Implement as a thin wrapper around
printxval_sized using xlat_search as a search function.
(xlat_idx): New function.
(printxval_indexn_ex): New function, a thin wrapper around
printxval_sized using xlat_idx as a search function.
* xlat/gen.sh: Add support for "#value_indexed" directive.
keyctl: use printxval_d for printing keyring serial number
* keyctl.c (print_keyring_serial_number): Use printxval_d instead of
looking up and printing xlat value manually.
* xlat/key_spec.in: Add "#val_type int" so the xlat values have sign
bit propagated.
ioprio: use sprintxval instead of xlookup and string/value printing
In order to respect current xlat style.
* ioprio.c (sprint_ioprio): Use sprintxval for producing string
representation of ioprio class, use the produced string representation
in resulting xsprintf.
tests/ioctl_evdev.c (TEST_NULL_ARG_EX): Rename from TEST_NULL_ARG, add
str argument, print it instead of #cmd.
(TEST_NULL_ARG): Implement as a TEST_NULL_ARG_EX wrapper.
(main): Add checks for EVIOCSABS and EVIOCGBIT ioctls.
* xlat/evdev_switch.in (SW_RADIO): Remove, as it was renamed to
SW_RFKILL_ALL and marked as deprecated by Linux commit v2.6.26-rc5~32^2.
(SW_PEN_INSERTED): New constant, was added by Linux commit v4.7~11^2~7.
* btrfs.c (btrfs_print_balance_args): Print devid field using
PRINT_FIELD_DEV.
(MPERS_PRINTER_DECL(btrfs_ioctl)) <case BTRFS_IOC_DEV_INFO,
case BTRFS_IOC_GET_DEV_STATS, case BTRFS_IOC_SCRUB,
case BTRFS_IOC_SCRUB_PROGRESS>: Likewise.
(MPERS_PRINTER_DECL(btrfs_ioctl)) <case BTRFS_IOC_DEV_REPLACE>: Print
start.srcdevid field using PRINT_FIELD_DEV.
* tests/btrfs.c: Update expected output.
btrfs: print cont_reading_from_srcdev_mode as xlat
* xlat/btrfs_cont_reading_from_srcdev_mode.in: New file.
* btrfs.c: Include "xlat/btrfs_cont_reading_from_srcdev_mode.h".
(MPERS_PRINTER_DECL(btrfs_ioctl)) <case BTRFS_IOC_DEV_REPLACE>: Print
named values for the
struct btrfs_ioctl_dev_replace_args.start.cont_reading_from_srcdev_mode
field.
* tests/btrfs.c: Include "xlat/btrfs_cont_reading_from_srcdev_mode.h".
(btrfs_test_dev_replace_ioctl): Update expected output.
btrfs: make BTRFS_IOC_GET_DEV_STATS error statistics output more structured
* btrfs.c (MPERS_PRINTER_DECL(btrfs_ioctl)) <case
BTRFS_IOC_GET_DEV_STATS>: Print array index in square brackets before
the value in order to avoid confusion.
* tests/btrfs.c (btrfs_test_get_dev_stats_ioctl): Update expected output.
ioctl: print ioctl number in accordance with xlat verbosity setting
* ioctl.c (SYS_FUNC(ioctl)): Print ioctl command name in accordance
with the current xlat_verbosity setting.
* tests/btrfs.c (sprint_xlat_): New function.
(ioc): New macro, a wrapper for sprint_xlat_.
Update expected output.
file_ioctl: make abbreviated output more structured
* file_ioctl.c (file_ioctl): Print fm_extents field name only in case
of non-abbreviated output.
* tests/btrfs.c (btrfs_test_ino_path_ioctls): Update expected output.
* btrfs.c (print_u64, print_member_u64, print_key_value_internal,
print_key_value): Remove.
(btrfs_print_balance_args): Use PRINT_FIELD_U64 instead of
print_member_u64.
(btrfs_print_tree_search): Use PRINT_FIELD_U64 instead of
print_key_value.
(MPERS_PRINTER_DECL(btrfs_ioctl)): Use PRINT_FIELD_U64 instead of manual
UINT64_MAX printing.
* tests/btrfs.c: Update expected output in order to account fields that
are now affected by xlat_verbosity setting.
As it looks like there's no reason to skip their printing.
* btrfs.c (print_key_value_internal): Do not check value argument
for holding non-zero value.
* tests/btrfs.c (btrfs_print_search_key): Update expected output.
tests/btrfs.c: support volumes with mixed data/metadata in BTRFS_IOC_BALANCE_V2
For these volumes, pend/vend should be the same for data and meta.
* tests/btrfs.c (btrfs_test_balance_ioctls): Set args.meta.pend and
args.meta.vend to the same values as args.data.pend and args.data.vend,
respectively.
tests/btrfs.c: add pid suffix to the created directory, remove it on exit
If multiple tests are running simultaneously in the same directory,
conflicts (and test failures) may happen.
* tests/btrfs.c (path, dir_name_fmt, dir_name): New variables.
(btrfs_test_ino_path_ioctls): Use dir_name for printing directory name.
(rm_test_dir): New function.
(main): Generate dir_name, use it instead of fixed name, add rm_test_dir
as an atexit handler.
btrfs: print abbreviations and field names more consistently
* btrfs.c (btrfs_print_data_container_header): Do not print ", val=".
(btrfs_print_ino_path_container): Print val field name only in case
of non-abbreviated output.
(btrfs_print_qgroup_inherit): Print qgroups field name only in case
of non-abbreviated output.
(btrfs_print_tree_search): Print buf field name only in case
of non-abbreviated output.
(MPERS_PRINTER_DECL(btrfs_ioctl)) <case BTRFS_IOC_SEND>: Print
clone_sources field name only in case of non-abbreviated output.
(MPERS_PRINTER_DECL(btrfs_ioctl)) <case BTRFS_IOC_SPACE_INFO>: Print
spaces field name only in case of non-abbreviated output.
* tests/btrfs.c: Update expected output.
btrfs: convert btrfs_print_{objectid,key_type} to PRINT_FIELD_XVAL_U
* btrfs.c (btrfs_print_key_type, btrfs_print_objectid): Convert into
thin wrappers around PRINT_FIELD_XVAL_U.
(btrfs_print_data_container_header, btrfs_print_tree_search,
MPERS_PRINTER_DECL(btrfs_ioctl)): Update calls to btrfs_print_key_type
and btrfs_print_objectid in accordance with the new calling convention.
(print_objectid_callback): Use printxvals_ex directly instead of
btrfs_print_objectid call.
* tests/btrfs.c (btrfs_print_objectid, btrfs_print_key_type): Update
expected output.
bpf: print fields that interpreted as pointers using printaddr64
* bpf.c (BEGIN_BPF_CMD_DECODER(BPF_MAP_LOOKUP_ELEM),
BEGIN_BPF_CMD_DECODER(BPF_MAP_UPDATE_ELEM)): Print key and value
fields using PRINT_FIELD_ADDR64.
(BEGIN_BPF_CMD_DECODER(BPF_MAP_DELETE_ELEM)): Print key field using
PRINT_FIELD_ADDR64.
(BEGIN_BPF_CMD_DECODER(BPF_MAP_GET_NEXT_KEY)): Print key and next_key
field using PRINT_FIELD_ADDR64.
(BEGIN_BPF_CMD_DECODER(BPF_PROG_LOAD)): Print insns and log_buf fields
using PRINT_FIELD_ADDR64.
(BEGIN_BPF_CMD_DECODER(BPF_PROG_TEST_RUN)): Print data_in and data_out
fields using PRINT_FIELD_ADDR64.
* tests/bpf.c: Update expected output.
* Makefile.am (today): Consistently print the UTC date in C locale.
* configure.ac (RPM_CHANGELOGTIME, DEB_CHANGELOGTIME): Likewise.
* maint/update_copyright_years.sh: Likewise.
* copyright-year-gen: Likewise. When $SOURCE_DATE_EPOCH is non-empty,
use it as fallback date before the current system date.
* file-date-gen: Consistently print the UTC date in C locale.
When $SOURCE_DATE_EPOCH is non-empty, use it as fallback date
before the current system date.
Reported-by: Chris Lamb <lamby@debian.org> Closes: https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=896016 Closes: https://github.com/strace/strace/pull/68
bpf: add support for map_name and map_ifindex fields in BPF_MAP_CREATE
* bpf.c (BEGIN_BPF_CMD_DECODER(BPF_MAP_CREATE)): Decode map_name
and map_ifindex fields that were added in Linux commits
v4.15-rc1~84^2~605^2~3 and v4.16-rc1~123^2~145^2~5^2~8, respectively.
* bpf_attr.h (struct BPF_MAP_CREATE_struct): Add map_name
and map_ifindex fields.
* tests/bpf.c (init_BPF_MAP_CREATE_attr7): New function.
(BPF_MAP_CREATE_checks): Remove const qualifier, add two more checks.
bpf: improve handling of various sizes of BPF_MAP_CREATE attributes
* bpf.c (BEGIN_BPF_CMD_DECODER(BPF_MAP_CREATE)): Skip printing
the rest of the structure if len is less than the offset of the end
of max_entries, map_flags, or inner_map_fd field.
* tests/bpf.c (BPF_MAP_CREATE_checks): Add two more checks.
btrfs: use umove_or_printaddr_ignore_syserror instead of u_error mangling
* btrfs.c (MPERS_PRINTER_DECL(btrfs_ioctl)) <case
BTRFS_IOC_TREE_SEARCH_V2>: Use umove_or_printaddr_ignore_syserror
instead of tcp->u_error mangling around umove_or_printaddr call.
* defs.h (umove_or_printaddr64_ignore_syserror): New macro, a thin
wrapper around umoven_or_printaddr64_ignore_syserror.
(umove_or_printaddr_ignore_syserror): New macro, a thin wrapper around
umoven_or_printaddr_ignore_syserror.
As there are some possible users for it, apparently.
* defs.h (XLAT_STYLE_FORMAT_MASK): Update the value in order to
accommodate XLAT_STYLE_FMT_D.
(enum xlat_style) <XLAT_STYLE_FMT_D>: New enumeration entity.
(printxval64_d, printxval_d): New function, a shorthand for
printxvals_ex with a single xlat and XLAT_STYLE_FMT_D xlat style.
* xlat.c (sprint_xlat_val): Handle XLAT_STYLE_FMT_D.
Since xlat printing routines now have a notion of "style" that should be
used for printing xlat values, we can also employ this argument for
passing information about number printing format (unsigned decimal
or hexadecimal, so far).
* defs.h (XLAT_STYLE_FORMAT_SHIFT, XLAT_STYLE_FORMAT_MASK): New macro
constant.
(enum xlat_style) <XLAT_STYLE_FMT_X, XLAT_STYLE_FMT_U>: New enumeration
entities.
* xlat.c (xlat_verbose, xlat_format): New macro for checking specific
aspect of style argument.
(get_xlat_style): Use xlat_verbose for checking xlat verbosity style.
(sprint_xlat_val, print_xlat_val): New function, for easing printing
raw constant number with respect to printing format style.
(printxvals_ex, sprintxval_ex, printxval_searchn_ex,
printxval_searchn_ex, sprintflags_ex, printflags_ex, print_xlat_ex):
Use xlat_verbose macro for xlat verbosity style checks. Use
print_xlat_val instead of direct raw xlat value printing.
* futex.c [!FUTEX_OP_OPARG_SHIFT] (FUTEX_OP_OPARG_SHIFT): New macro
constant.
(SYS_FUNC(futex)): Use print_xlat for printing FUTEX_OP_OPARG_SHIFT
named constant.
print_xlat_ex prints a named constant in accordance with xlat style
provided, print_xlat is a thin wrapper around print_xlat_ex that passes
stringified constant name as a string and XLAT_STYLE_DEFAULT as a style.
* defs.h (print_xlat_ex): New function prototype.
(print_xlat): New macro, a thin wrapper around print_xlat_ex.
* xlat.c (print_xlat_ex): New function.
Co-Authored-by: Dmitry V. Levin <ldv@altlinux.org>
This will be needed later, with the introduction of user-configurable
xlat style setting (stored in xlat_verbosity variable).
* defs.h (XLAT_STYLE_VERBOSITY_MASK): New macro constant.
(enum xlat_style) <XLAT_STYLE_DEFAULT>: New enumeration entity.
(xlat_verbosity): New external declaration.
(printxvals, printxval_searchn, printxval_search_ex, sprintxval,
sprintflags, printflags64): Use XLAT_STYLE_DEFAULT instead of
XLAT_STYLE_ABBREV.
* strace.c (xlat_verbosity): New variable.
* xlat.c (get_xlat_style): New function.
(printxvals_ex, sprintxval_ex, printxval_searchn_ex, sprintflags_ex,
printflags_ex): Use it.
* defs.h (printxvals_ex): Rename from printxvals, add style argument.
(enum xlat_style): New enumeration.
(printxvals): New macro, a wrapper for printxvals_ex.
(printxval_searchn_ex): Rename from printxval_searchn, add style
argument.
(printxval_searchn): New macro, a wrapper for printxval_searchn_ex.
(printxval_search_ex): New macro, a wrapper for printxval_searchn_ex.
(sprintxval_ex): Rename from sprintxval, add style argument.
(sprintxval): New macro, a wrapper for sprintxval_ex.
(printflags_ex): Add style argument.
(sprintflags_ex): Rename from sprintflags, add style argument.
(sprintflags): New macro, a wrapper for sprintflags_ex.
(printflags64): Pass XLAT_STYLE_ABBREV as a style in printflags_ex call.
* netlink.c (decode_nlmsg_flags): Pass XLAT_STYLE_ABBREV as a style in
printflags_ex call.
* xlat.c (printxvals_ex): Rename from printxvals, add style argument,
handle it.
(sprintxval_ex): Rename from sprintxval, add style argument, handle it.
(printxval_searchn_ex): Rename from printxval_searchn, add style
argument, handle it.
(sprintflags_ex): Rename from sprintflags, add style argument,
handle it.
(printflags_ex): Add style argument, handle it.
Co-Authored-by: Dmitry V. Levin <ldv@altlinux.org>
References: https://github.com/strace/strace/issues/27
tests: robustify signal delivery test against kernel bugs
Recent kernel siginfo changes, namely, v4.14-rc1~60^2^2~1,
v4.16-rc1~159^2~37, and v4.16-rc1~159^2~39, introduced ABI regressions
that render the whole siginfo interface unreliable.
Looks like the kernel side is not eager to fix the breakage,
so here is a workaround.
* tests/signal_receive.c (s_sig, s_code, s_pid, s_uid): New volatile
variables.
(handler): Add siginfo_t parameter, save siginfo_t fields.
(sig_print): Remove.
(main): Rewrite. Use variables saved by handler to print expected
siginfo output. Print diagnostics in case of siginfo mismatch.
* strace.spec.in (%check): Extract the diagnostics.
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