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The sys_bpf(BPF_OBJ_GET_INFO_BY_FD, &bpf_prog_get_info_attr, ...) is
called in a loop. The bpf_prog_get_info_attr.info object is in size 104
but bpf_prog_get_info_attr.info_len is in size 168. Hence, if the prog
is jited, the second iteration onwards will have nr_jited_ksyms == 1
which is asking the kernel to fill the
bpf_prog_get_info_attr.info.jited_ksyms and it is NULL.
* tests/bpf-obj_get_info_by_fd.c (main): Clear memory beyond prog_info
at the start of every iteration.
Co-Authored-by: Dmitry V. Levin <ldv@altlinux.org>
This guarantees that map_info and prog_info objects are not accessed
out of bounds.
* tests/bpf-obj_get_info_by_fd.c: Include <string.h>.
(main): Use tail_alloc instead of calloc for map_info and prog_info.
Change strace-k.test to use chdir syscall instead of getpid syscall
because the latter is not universally available, e.g. there is no getpid
syscall on alpha.
* tests/stack-fcall-3.c (f3) <default>: Replace getpid with chdir.
* tests/strace-k.test: Likewise.
* tests/strace-k.expected: Likewise.
* tests/strace-k-demangle.expected: Likewise.
* NEWS: Mention this.
Indent the C preprocessor directives to reflect their nesting
using the following script:
$ cppi -l $(git grep -El '^[[:space:]]*#[[:space:]]*(if|ifdef|ifndef|elif|else|endif|define|pragma)[[:space:]]' |grep -v '\.sh$') |while read f; do
cppi < "$f" > "$f".cppi; mv "$f".cppi "$f"
done
* xlat/bpf_map_types.in (BPF_MAP_TYPE_PERCPU_CGROUP_STORAGE): New
constant introduced by Linux kernel commit v4.20-rc1~14^2~124^2~12^2~7.
(BPF_MAP_TYPE_QUEUE, BPF_MAP_TYPE_STACK): New constants introduced
by Linux kernel commit v4.20-rc1~151^2~32^2~11^2~3.
* xlat/bpf_commands.in (BPF_MAP_LOOKUP_AND_DELETE_ELEM): New constant
introduced by Linux kernel commit v4.20-rc1~151^2~32^2~11^2~2.
* tests/bpf.c (BPF_MAP_CREATE_checks): Update.
* xlat/fan_init_flags.in (FAN_ENABLE_AUDIT): New constant, introduced
by Linux commit v4.15-rc1~130^2^2~11.
(FAN_REPORT_TID): New constant, introduced by Linux commit
v4.20-rc1~75^2~2.
* NEWS: Mention this.
* tests/fanotify_init.c (main): Update expected output.
Co-Authored-by: Dmitry V. Levin <ldv@altlinux.org>
As the former allows controlling presence of xlat definitions
during the inclusion and not header generation.
* xlat/loop_cmds.in: Remove #stop.
* loop.c: Wrap "xlat/loop_cmds.h" inclusion in XLAT_MACROS_ONLY.
* tests/ioctl_loop.c: Likewise.
We do our best to keep copyright headers up to date, yet
git history provides better information on this subject
and is more accurate than copyright headers.
* quota.c (print_qcmd): New function.
(SYS_FUNC(quotactl)): Use it to print the quotactl command.
* tests/quotactl.c (print_dqinfo, print_dqfmt): Handle XLAT_RAW
and XLAT_VERBOSE.
(QUOTA_STR, QUOTA_ID_STR, QUOTA_STR_INVALID): New macros.
(gen_quotacmd, gen_quotaid): New functions.
(main): Use them.
* tests/quotactl-Xabbrev.c: New file.
* tests/quotactl-Xraw.c: Likewise.
* tests/quotactl-Xverbose.c: Likewise.
* tests/gen_tests.in (quotactl-Xabbrev, quotactl-Xraw,
quotactl-Xverbose): New tests.
* tests/pure_executables.list: Add quotactl-Xabbrev, quotactl-Xraw,
and quotactl-Xverbose.
* tests/.gitignore: Likewise.
Co-Authored-by: Dmitry V. Levin <ldv@altlinux.org>
* strace.c (terminate): Terminate itself if interrupted by a signal.
* NEWS: Mention this change.
* tests/detach-running.test: Check it.
* tests/detach-sleeping.test: Likewise.
* tests/detach-stopped.test: Likewise.
* net.c (print_get_error): New function decoding error
number returned as option value for SO_ERROR option.
(print_getsockopt) <case SO_ERROR>: Call print_get_error.
* tests/so_error.c: New test.
* tests/gen_tests.in (so_error): Likewise.
* tests/pure_executables.list: Add so_error.
* tests/.gitignore: Likewise.
Signed-off-by: Masatake YAMATO <yamato@redhat.com>
Signed-off-by: Dmitry V. Levin <ldv@altlinux.org>
* defs.h (audit_arch): New prototype.
* process.c: Include "ptrace_syscall_info.h".
(SYS_FUNC(ptrace)) <PTRACE_GET_SYSCALL_INFO>: Call
print_ptrace_syscall_info on exiting syscall.
* ptrace_syscall_info.h (print_ptrace_syscall_info): New prototype.
* ptrace_syscall_info.c: Include "print_fields.h" and
"xlat/ptrace_syscall_info_op.h".
(print_ptrace_syscall_info): New function.
* xlat/ptrace_syscall_info_op.in: New file.
* tests/ptrace_syscall_info.c: New file.
* tests/gen_tests.in (ptrace_syscall_info): New test.
* tests/pure_executables.list: Add ptrace_syscall_info.
* tests/.gitignore: Likewise.
Number 0 is not a valid signal number, and SIG_0 is not a valid
description for a signal.
* linux/signalent.h: Replace SIG_0 with 0.
* linux/alpha/signalent.h: Likewise.
* linux/hppa/signalent.h: Likewise.
* linux/mips/signalent.h: Likewise.
* linux/sparc/signalent.h: Likewise.
* filter_qualify.c (sigstr_to_uint): Start iterations with number 1.
* tests/fcntl-common.c (test_fcntl_others): Update expected output.
* tests/kill.c (main): Likewise.
* tests/ptrace.c (test_peeksiginfo): Likewise.
* tests/s390_runtime_instr.c (main): Likewise.
When the first exec fails, strace used to print the trace of the child
process till its end, producing a lot of confusing output.
Enhance the diagnostics by hiding irrelevant parts of the trace.
* defs.h (TCB_CHECK_EXEC_SYSCALL): New macro. Change values of TCB_*
macros listed after TCB_CHECK_EXEC_SYSCALL.
(check_exec_syscall): New macro.
* strace.c (dispatch_event) <TE_STOP_BEFORE_EXECVE>: Clear
TCB_CHECK_EXEC_SYSCALL flag.
* syscall.c (syscall_entering_trace): Do not clear TCB_HIDE_LOG when
TCB_CHECK_EXEC_SYSCALL is set, set TCB_CHECK_EXEC_SYSCALL along with
clearing TCB_HIDE_LOG.
(syscall_exiting_decode): Set TCB_HIDE_LOG if TCB_CHECK_EXEC_SYSCALL
is set.
* tests/first_exec_failure.test: New file.
* tests/Makefile.am (MISC_TESTS): Add first_exec_failure.test.
Closes: https://github.com/strace/strace/issues/88
* sockaddr.c (print_inet_addr): Handle var_name == NULL case in a more
structured way: use inet_addr("%s") form to print AF_INET addresses
in structureless contexts where no structure field name is available.
Likewise, use inet_pton(AF_INET6, "%s") that case.
* tests/nlattr_ifaddrmsg.c (main): Update expected output.
* tests/nlattr_ifla_af_spec.c (main): Likewise.
Complements: v4.19~76 "print_inet_addr: add support of invocations without field name"
Linux commit v4.19-rc2-5-g2ecefa0a15fd0ef88b9cd5d15ceb813008136431
changed the definition of struct keyctl_dh_params in an incompatible
way again. Workaround this issue by using designated initializers.
* tests/keyctl.c (main): Use designated initializers for
struct keyctl_dh_params.
On some architectures _IOC_NONE equals to 1, on others it is 0.
Change the way how ioctl direction flags are printed so that
_IOC_NONE is printed in symbolic form even if it is equal to 0.
* xlat/ioctl_dirs.in (_IOC_NONE): Move to the head of the list.
* tests/ioctl_inotify.c (main): Update expected output.
* tests/ioctl_loop. (main): Likewise.c
* tests/ioctl_perf.c (main): Likewise.
* tests/ioctl_scsi.c (main): Likewise.
Introduce a replacement for NLMSG_OK provided by <linux/netlink.h> since
that system macro contains signedness bugs that are not going to be fixed.
* netlink.h: Include <stdbool.h>.
(is_nlmsg_ok): New static inline function.
* socketutils.c (receive_responses): Use it instead of NLMSG_OK.
* tests/netlink_inet_diag.c (check_responses): Likewise.
* tests/netlink_netlink_diag.c (check_responses): Likewise.
* tests/netlink_unix_diag.c (check_responses): Likewise.
Closes: https://github.com/strace/strace/issues/79
* tests/execve.c (main): Explicitly mark q_envp variable as used
to workaround clang -Wunneeded-internal-declaration bug.
* tests/execveat.c (main): Likewise.
* tests/nsyscalls.c (main): Explicitly mark syscallent variable as used
to workaround clang -Wunneeded-internal-declaration bug.
Closes: https://github.com/strace/strace/issues/78
* xlat/af_packet_versions.in: New file.
* netlink_packet_diag.c: Include "xlat/af_packet_versions.h".
(decode_packet_diag_req): sdiag_protocol shouldn't be decoded as a protocol,
currently it should be set to 0.
(decode_packet_diag_info): Decode pdi_version field using af_packet_versions
xlat; decode pdi_index field as an interface index.
(packet_diag_msg_nla_decoders) <PACKET_DIAG_UID>: Decode using
decode_nla_uid.
(decode_packet_diag_msg): Decode pdiag_num as an low-level protocol.
* tests/netlink_sock_diag.c: Update expected output.
* tests/nlattr_packet_diag_msg.c: Likewise.
* sockaddr.c: Include <linux/x25.h>.
(print_sockaddr_data_x25): New function.
(sa_printers) <[AF_X25]>: New socket address handler.
* tests/net-sockaddr.c (check_x25): New function.
(main): Use it to check X.25 socket address decoding.
* defs.h (print_ax25_addr): New prototype.
* print_fields.h (PRINT_FIELD_AX25_ADDR): New macro.
* sockaddr.c: Include <linux/ax25.h>.
(check_ax25_address, ax25_addr2str, print_ax25_addr_raw,
print_ax25_addr, print_sockaddr_data_ax25): New functions.
(sa_printers) <[AF_AX25]>: New printer.
* tests/net-sockaddr.c (AX25_ADDR): New macro.
(check_ax25): New function.
(main): Use it to check AX.25 socket address decoding.
