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Check that syscall counters used for tampering are per-tcb.
* tests/qual_fault.c: Include <fcntl.h> for open(),
<sys/param.h> for PATH_MAX, and <sys/wait.h> for wait().
(expfd): Rename to exp_fd, remove const qualifier and initialization.
(gotfd): Rename to got_fd, remove const qualifier and initialization.
(out_fd): New variable, for the expected strace output.
(open_file): New helper function.
(main): Remove st, add num_procs, proc, exp_prefix, got_prefix,
out_prefix, pid_prefix. Remove stat asserts, update argc assert.
Add num_procs, exp_prefix, got_prefix, out_prefix, pid_prefix
initialization. Add per-process loop, open expfd, gotfd, out_fd, pidfd
in each one, print process's pid to pidfd, print exit message to out_fd.
Add wait() call for each forked process.
* tests/qual_fault.test (N): increase to 100 in order to check
concurrent process execution.
(check_fault_injection): Take additional argument for the process
count, pass it to qual_fault, add filename variables for expected strace
output and pid file, pass them to qual_fault.
Specify -ff parameter to strace invocation.
Compare write and strace output for the each process.
Update all check_fault_injection invocation with process count argument,
add an invocation with 4 concurrent processes.
* tests/init.sh (TIMEOUT_DURATION): Raise from 120 to 300.
Co-authored-by: Dmitry V. Levin <ldv@altlinux.org>
Follow the example of case-insensitive symbolic signal values in signal
and inject expressions and make symbolic errno values in inject
expressions case-insensitive.
* qualify.c (find_errno_by_name): Use strcasecmp instead of strcmp
to match symbolic errno values.
* tests/qual_fault.c (main): Likewise.
* tests/qual_fault.test: Test case-insensitive symbolic errno match.
Rename files related to fault injection to avoid further confusion.
* tests/fault_injection-exit_group.expected: Rename
to tests/qual_fault-exit_group.expected.
* tests/fault_injection-exit_group.test: Rename
to tests/qual_fault-exit_group.test.
* tests/fault_syntax.test: Rename to tests/qual_fault-syntax.test.
* tests/fault_injection.c: Rename to tests/qual_fault.c.
* tests/fault_injection.test: Rename to tests/qual_fault.test.
* tests/fault_injection-retval.c: Rename to tests/qual_inject-retval.c.
* tests/fault_injection-retval.test: Rename
to tests/qual_inject-retval.test.
* tests/fault_injection.sh: Rename to tests/scno_tampering.sh.
* tests/.gitignore: Update.
* tests/Makefile.am (check_PROGRAMS, DECODER_TESTS, MISC_TESTS,
EXTRA_DIST): Update.
