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Starting with commit v4.17-5-gf83b49b strace is expected
to forward the signal mask to tracees unchanged.
* tests/check_sigblock.c: New file.
* tests/set_sigblock.c: Likewise.
* tests/sigblock.test: New test.
* tests/.gitignore: Add check_sigblock and set_sigblock.
* tests/Makefile.am (check_PROGRAMS): Likewise.
(MISC_TESTS): Add sigblock.test.
Starting with commit v4.17-8-ge97a66f strace is expected
to forward the signal disposition to tracees unchanged.
* tests/check_sigign.c: New file.
* tests/list_sigaction_signum.c: Likewise.
* tests/set_sigign.c: Likewise.
* tests/sigign.test: New test.
* tests/.gitignore: Add check_sigign, list_sigaction_signum,
and set_sigign.
* tests/Makefile.am (check_PROGRAMS): Likewise.
(MISC_TESTS): Add sigign.test.
Kernel commit v4.14-rc1~162^2~8 refactored futex implementation and
introduced checks for invalid shift sizes. Accommodate this change
by allowing EINVAL in the corresponding futex checks.
* tests/futex.c (CHECK_FUTEX_GENERIC): Reset errno before the syscall.
(main) <wake_ops>: Add err2 field, describe err/err2 fields.
Add EINVAL as a possible errno to the checks that contain invalid
shift values.
Update return value check so it checks that values are strictly
as expected.
Closes: https://github.com/strace/strace/pull/16
Workaround musl >= 1.1.17 ability to use AT_EXECFN during
program_invocation_name initialization.
* tests/options-syntax.test: Check for two valid variants
of "zeroargc strace" expected output.
Refactor decode_nlmsg_flags to make it family-specific, just like
decode_nlmsg_type and decode_payload.
* netlink.c (decode_nlmsg_flags_crypto, decode_nlmsg_flags_route,
decode_nlmsg_flags_sock_diag, decode_nlmsg_flags_xfrm): New functions.
(nlmsg_flags_decoder_t): New typedef.
(nlmsg_flags): New array.
(decode_nlmsg_flags): Use it.
When using linux kernel headers without commit v4.5-rc1~128^2~115^2~22
("netfilter: fix include files for compilation"), both <linux/ip.h>
and <linux/tcp.h> have to be included before <linux/netfilter/xt_osf.h>.
* configure.ac (AC_CHECK_HEADERS): Include <linux/ip.h>
and <linux/tcp.h> when checking for linux/netfilter/xt_osf.h header.
* tests/nfnetlink_osf.c: Include <linux/ip.h> and <linux/tcp.h>
before <linux/netfilter/xt_osf.h>.
ioctls_sym.sh used to generate and invoke target architecture
executables that limited its applicability.
After this change, the generated code is just compiled to the target
architecture object files and all required information is obtained
from the dwarf sections.
This approach allows to generate ioctl entries for any target
architecture supported by compiler.
* maint/ioctls_sym.awk: New file.
* maint/ioctls_sym.sh (LC_ALL): Define to C and export.
(uname_m): Make configurable.
(CFLAGS): Add -gdwarf-2.
(LDFLAGS): Remove.
Do not use print_ioctlent.c.
Change asm-generic/ioctl.h and asm/ioctl.h hook.
Dump and process dwarf sections of generated object files.
* maint/print_ioctlent.c: Remove.
It is not very useful as of now, but it will allow tracking changes
in fd output once they are implemented.
* tests/gen_tests.in (kcmp-y): New test.
* tests/kcmp-y.c: New file, wrapper for kcmp.c
* tests/kcmp.c: Add opening of some files for which info may be printed
in the future.
* tests/pure_executables.list: Add kcmp-y.
* tests/.gitignore: Likewise.
This is a preparation for the future introduction of cross-NS PID
derivation, which would enable us to print fd information for fds
related to all processes, not just traced ones.
Note the change in output type for idx1/idx2 in KCMP_FILE command from
unsigned to int, it follows printfd output format.
* kcmp.c (printpidfd): New function.
(PRINT_FIELD_PIDFD): New macro.
(SYS_FUNC(kcmp)) <case KCMP_FILE>: Use printpidfd for printing
idx1/idx2, as they are fds, after all.
Let's check all kcmp commands that they indeed do not print idx1/idx2.
Also, check that upper bits of pid arguments are ignored.
* tests/gen_tests.in (kcmp): Decrease -a argument's value from 27 to 22.
* tests/kcmp.c: Add checks for upper bits of pid1/pid2 and for all
kcmp types not tested before.
I see it as a good idea to stick to system headers whenever possible
in order to also check for possible discrepancies between strace's
internal definitions and definitions present in the system headers.
* configure.ac (AC_CHECK_HEADERS): Add linux/kcmp.h.
* tests/kcmp.h [HAVE_LINUX_KCMP_H]: Include <linux/kcmp.h>,
do not define KCMP_FILE and KCMP_SYSVSEM.
