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Implement additional synchronization between parent and child processes
to guarantee that the child starts closing connected socket only after
exiting of the parent's accept() syscall.
This guarantee seems to be necessary to reliably receive UNIX_DIAG_PEER
messages from NETLINK_SOCK_DIAG interface.
* tests/net-accept-connect.c: Implement additional synchronization
between parent and child processes.
* tests/unix-yy-connect.awk: Update.
* configure.ac (ASM_SIGRTMIN): Define to SIGRTMIN from <asm/signal.h>.
* signal.c: Use ASM_SIGRTMIN instead of constants provided by libc.
* tests/sigreturn.c: Use ASM_SIGRTMIN instead of hardcoded value.
Use lower RT_* numbers to support pre-3.18 hppa kernels.
* tests/sigreturn.test: Update regexp.
Fix compilation warning introduced by commit
577be2593d
* signal.c (sys_sigreturn) [POWERPC64]: Fix initialization of signal
mask on 32bit personality.
Fix compilation warnings introduced by commit
5b9b7e1d34:
signal.c:702:45: warning: signed and unsigned type in conditional expression [-Wsign-compare]
syscall.c:746:34: warning: initialization from incompatible pointer type [enabled by default]
* syscall.c [AARCH64] (aarch64_sp_ptr): Add explicit cast.
[AARCH64] (arm_sp_ptr): Change pointer type to unsigned.
* linux/aarch64/arch_regs.h (arm_sp_ptr): Update.
Reported-by: Mike Frysinger <vapier@gentoo.org>
Although sigreturn takes signal mask via frame pointer,
it's more convenient to display signal mask as a syscall argument
rather than an outstanding object of unknown nature:
Before this change:
sigreturn() (mask [USR2 CHLD RT_2 RT_3 RT_4 RT_31 RT_32]) = 0
After this change:
sigreturn({mask=[USR2 CHLD RT_2 RT_3 RT_4 RT_31 RT_32]}) = 0
* signal.c (sys_sigreturn): Display signal mask as a syscall argument.
* linux/64/syscallent.h (139): Use sys_sigreturn for rt_sigreturn
decoding.
* syscall.c [ARM] (arm_regs): Make static.
[ARM] (arm_sp_ptr): New variable.
[AARCH64] (aarch64_sp_ptr, arm_sp_ptr): New variables.
* linux/aarch64/arch_regs.h: New file.
* linux/arm/arch_regs.h (arm_regs): Remove.
(arm_sp_ptr): New declaration.
* signal.c (sys_sigreturn) [ARM]: Use arm_sp_ptr.
[AARCH64]: Print signal mask.
Without this users might get confused why `man strace` describes
an option that doesn't work.
* strace.1: Note that -k is available only if strace is built
with libunwind.
* debian/control (strace, strace-udeb): Add mips64 and mips64el
to architecture list.
Patch by James Cowgill <james410@cowgill.org.uk>
This fixes Debian bug #773375.
In mips n32 abi, like in most of 32-bit architectures, offset
is passed to preadv/pwritev syscalls using two syscall arguments.
* io.c (print_llu_from_low_high_val) [LINUX_MIPSN32]: Remove.
Rather than trigger an ERROR which fails `make check`, go with SKIP
instead. We don't want the testsuite failing due to kernel bugs.
* tests/ipc_sem.c (main): Change 99 to 77.
The s390 hardware can't support an exact si_addr, and the current kernels
don't handle text addresses correctly at all. Until that improves, skip
the test on s390.
* tests/pc.c (main): Return 77 on s390 systems.
As ioctls_inc.h generated natively on x32 differs both from 32/ioctls_inc.h
(by 45 entries) and from linux/64/ioctls_inc.h (by 322 entries), use x32
specific ioctl entries on x32 personality.
* linux/x32/ioctls_inc0.h: Generate from linux v3.19 using ioctls_gen.sh.
* linux/x86_64/ioctlent2.h: Remove.
* linux/x86_64/ioctls_arch2.h: New file.
* linux/x86_64/ioctls_inc2.h: New file.
* Makefile.am (EXTRA_DIST): Remove linux/x86_64/ioctlent2.h, add
linux/x86_64/ioctls_arch2.h and linux/x86_64/ioctls_inc2.h.
* tests/uid.c (main): Ignore uids returned by getresuid to avoid
16bit vs 32bit issues on big endian architectures.
Change real UID instead of effective UID in setresuid test.
* tests/uid16.c (main): Likewise.
* tests/uid32.c (main): Change real UID instead of effective UID
in setresuid test to match uid.c
* tests/uid.awk: Update setresuid regexp.
Reported-by: Mike Frysinger <vapier@gentoo.org>
If the tools we use call older getdents syscalls where d_type isn't
passed back, or the arch is old (like Alpha) and can't pass back in
either version, make sure we don't fail.
* tests/getdents.awk (d_type_dir, d_type_reg): Accept DT_UNKNOWN.
Fix regression introduced by commit v4.9-9-gc3a5c01.
* signal.c (HAVE_SA_RESTORER): New macro.
[HPPA || IA64]: Do not undefine SA_RESTORER.
(old_sigaction, old_sigaction32, new_sigaction): Use HAVE_SA_RESTORER
instead of SA_RESTORER to check whether to define sa_restorer.
(decode_old_sigaction, decode_new_sigaction): Use HAVE_SA_RESTORER in
addition to SA_RESTORER to check whether to use sa_restorer.
* strace.c (startup_child): Check that the length of the command strace
is going to execute does not exceed PATH_MAX limit.
Reported-by: Cheolung Lee <chpie@grayhash.com>
Restore the order of including <sys/reg.h> and <linux/ptrace.h>
headers that was inadvertently changed by commit v4.9-280-g5503dd2.
This should fix build on platforms like m68k where some constants
are defined simultaneously as enums by <sys/reg.h> and as macros
by <asm/ptrace.h>.
* process.c: Include "ptrace.h" after "regs.h".
* signal.c: Likewise.
* syscall.c: Likewise.
* util.c: Likewise.
As time_t is a 64-bit type in x32 personality, it is not correct to
treat it as a long int type.
* time.c (current_time_t_is_compat): New macro.
(sprinttv, sprint_timespec, printitv_bitness, tprint_timex): Use it.
(tprint_timeval, do_sprinttv, sprint_timespec): Use j and uintmax_t
when printing tv_sec/tv_usec.
(tprint_timex): Use j and intmax_t/uintmax_t when printing struct timex
members of type kernel_long_t.
When running 32bit ipc tests on ppc/sparc with a 64bit kernel, the ipc
logic wrongly returns errors. Detect that and throw an error.
* tests/ipc_sem.c: Return 99 when errno is EFAULT.
* tests/ipc_sem.test: Save output to $OUT and show it when failing.
Handle exit status 99 to throw an ERROR.
For a few linux releases (3.1 through 3.3), this define in the exported
headers were broken. Redefine if that's the case.
* ptrace.h [PTRACE_EVENT_STOP]: Redefine if PTRACE_EVENT_STOP is 7.
When files get updated, the bootstrap script should make sure the
parallel dirs are kept in sync.
* bootstrap: Always generate the test$m. Clean up symlinks first.
Don't link in Makefile.in files.
Use the AX_PROG_CC_FOR_BUILD helper to set up build settings when cross
compiling. This way ioctlsort uses the build tools all the time.
* configure.ac: Call AX_PROG_CC_FOR_BUILD.
* Makefile.am (ioctlsort_CC): Set to CC_FOR_BUILD.
(ioctlsort_CPPFLAGS): Change CPPFLAGS to CPPFLAGS_FOR_BUILD.
(ioctlsort_CFLAGS): Change CFLAGS to CFLAGS_FOR_BUILD.
(ioctlsort_LDFLAGS): Change LDFLAGS to LDFLAGS_FOR_BUILD.
(ioctlsort_LD): Delete.
(ioctlsort%): Change to ioctlsort%$(BUILD_EXEEXT). Use ioctlsort_CFLAGS.
* m4/ax_prog_cc_for_build.m4: Import from the autoconf-archive package.
