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commit v4.17-161-gdbd0605 that adjusted TEST_NLATTR_OBJECT and
TEST_NLATTR_ARRAY for large objects, only changed the pattern
print length, large length still can be specified as nla_data_len,
resulting to output mismatch.
* tests/test_nlattr.h (TEST_NLATTR_OBJECT): Pass "plen"
both as nla_data_len and slen arguments of TEST_NLATTR_
in len < sizeof(object) case.
(TEST_NLATTR_ARRAY): Likewise, Pass "plen" both as nla_data_len
and slen arguments of TEST_NLATTR_ in len < sizeof(object[0]) case.
Explicitly make struct nlattr * pointer which is internal
to TEST_NLATTR_ macro available to its varadic arguments.
* tests/test_nlattr.h (TEST_NLATTR_): Rename nla to TEST_NLATTR_nla.
* tests/tests.h (print_quoted_memory, print_quoted_hex): Change the type
of first argument from "const char *" to "const void *".
* tests/print_quoted_string.c: Likewise.
(print_quoted_hex): Print bytes as unsigned char objects to avoid
unwanted sign extension.
* tests/netlink_protocol.c (send_query): Remove the cast of print_quoted_hex
first argument which is now redundant.
As the last argument of getsockopt syscall has read-write semantics,
print both user and kernel values when they differ.
* net.c (SYS_FUNC(getsockopt)): On entering syscall, fetch and save
the length specified to the kernel. On error, print the length saved
on entering. When the saved length and the length returned by the
kernel differ, print both values.
* NEWS: Mention this.
* tests/net-icmp_filter.c (main): Update expected output.
<linux/filter.h> was introduced in linux 2.1.75, way before
the minimal kernel version supported by strace.
* configure.ac (AC_CHECK_HEADERS): Remove linux/filter.h.
* seccomp.c: Assume HAVE_LINUX_FILTER_H.
* tests/prctl-seccomp-filter-v.c: Likewise.
* tests/seccomp-filter-v.c: Likewise.
* tests/seccomp-filter.c: Likewise.
* nlattr.c (decode_nlattr_with_data): Replace printstrn
with printstr_ex and set QUOTE_FORCE_HEX flag.
* tests/tests.h (print_quoted_hex): New prototype.
* tests/print_quoted_string.c (print_quoted_hex): New function.
* tests/test_nlattr.h (TEST_NLATTR_OBJECT, TEST_NLATTR_ARRAY): Use it
for updated expected output. Change the type of "plen" variable
to unsigned int.
* tests/nlattr.c (test_nlattr): Update expected output.
* tests/print_quoted_string.c (print_quoted_memory): Print opening
and closing quotation marks.
* tests/getcwd.c (main): Do not print quotation marks around
print_quoted_string.
* tests/uname.c (main): Likewise.
* tests/keyctl.c (print_quoted_string_limit): Do not print quotation
marks around print_quoted_memory.
* tests/netlink_protocol.c (send_query): Likewise.
* tests/xattr.c (main): Likewise.
There is a race condition between the moment a netlink socket is created
and the moment it is reported via SOCK_DIAG_BY_FAMILY interface.
Add one more operation on the socket created by create_nl_socket
to increase chances of winning the race.
* tests/create_nl_socket.c (create_nl_socket_ext): Add a getsockopt call
with the created socket.
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>
* strace.c (init): Adjust argc along with argv,
check that adjusted argc is sane.
* tests/zeroargc.c: New file.
* tests/.gitignore: Add zeroargc.
* tests/Makefile.am (check_PROGRAMS): Likewise.
* tests/options-syntax.test: Check strace error diagnostics
in case of zero argc.
Introduce a separate header file for generic macros shared between
strace and its tests. Start this unification with ARRAY_SIZE macro.
* defs.h: Include "macros.h".
(ARRAY_SIZE): Move ...
* macros.h: ... to new file.
* Makefile.am (strace_SOURCES): Add it.
* tests/tests.h: Include "macros.h".
(ARRAY_SIZE): Remove. All callers updated.
* tests/nlattr_unix_diag_msg.c: Include "test_nlattr.h".
(test_unix_diag_vfs, test_unix_diag_icons, test_unix_diag_rqlen):
Remove.
(init_unix_diag_msg): Add const qualifier to arguments and variables.
(print_unix_diag_msg, print_uint): New functions.
(main): Use them and macros from test_nlattr.h file.
* tests/nlattr_netlink_diag_msg.c: Include "test_nlattr.h".
(test_netlink_diag_groups, test_netlink_diag_rx_ring,
test_netlink_diag_flags): Remove.
(init_netlink_diag_msg): Add const qualifier to arguments and variables.
(print_netlink_diag_msg, print_xlong): New functions.
(main): Use them and macros from test_nlattr.h file.
* netlink_sock_diag.c (print_inet_diag_sockid): Print idiag_if field
using print_ifindex.
* tests/nlattr_inet_diag_msg.c: Include <net/if.h>.
(IFINDEX_LO): New macro.
(init_inet_diag_msg): Set inet_diag_sockid.idiag_if field.
(print_inet_diag_msg): Update expected output.
* tests/test_nlattr.h: New file.
* tests/Makefile.am (libtests_a_SOURCES): Add it.
* tests/nlattr_inet_diag_msg.c: Include "test_nlattr.h".
(test_inet_diag_meminfo, test_inet_diag_vegasinfo,
test_inet_diag_dctcpinfo, test_inet_diag_bbrinfo): Remove.
(address): New variable.
(init_inet_diag_msg): Remove "address" argument, add const qualifier
to all remaining arguments.
(print_inet_diag_msg, print_uint): New functions.
(main): Use macros from test_nlattr.h file.
* util.c (printstr_ex): Move the check that -s argument
does not exceed -1U / 4 ...
* strace.c (init): ... here.
* tests/options-syntax.test: Check it.
Despite our efforts made to avoid unaligned access, gcc appears to be
generating instructions that might cause unaligned access when copying
structures to unaligned addresses.
Fix this issue by replacing copying of structures to unaligned addresses
with memcpy calls.
* tests/netlink_sock_diag.c (INIT_STRUCT): New macro.
(test_odd_family_req, test_odd_family_msg, test_unix_diag_req,
test_unix_diag_msg, test_netlink_diag_req, test_netlink_diag_msg,
test_packet_diag_req, test_packet_diag_msg, test_inet_diag_sockid,
test_inet_diag_req, test_inet_diag_req_v2, test_inet_diag_msg,
test_smc_diag_req, test_smc_diag_msg): Use it to initialize potentially
unaligned struct nlmsghdr. Do not access nlh->nlmsg_len.
Enclose macros with multiple statements and macros starting
with "if" statement in a do/while loop.
Do not enclose single statement macros in a do/while loop.
Reported by kernel's checkpatch.pl script.
