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If the kernel contains commit 84d77d3f06e7e8dea057d10e8ec77ad71f721be3,
both PTRACE_PEEKDATA and process_vm_readv become unavailable when the
process dumpable flag is cleared. As the first 4 syscall arguments are
still available via registers, do not treat this as get_syscall_args
error.
This condition is triggered and therefore tested by prctl-dumpable test.
* linux/mips/get_syscall_args.c (get_syscall_args) [LINUX_MIPSO32]:
Do not bail out if umoven fails.
If the kernel contains commit 84d77d3f06e7e8dea057d10e8ec77ad71f721be3,
PTRACE_PEEKTEXT becames unavailable when the process dumpable flag is
cleared. As this is not a fatal condition for get_scno, do not bail out
if PTRACE_PEEKTEXT fails.
This condition is triggered and therefore tested by prctl-dumpable test.
* linux/sparc64/get_scno.c (arch_get_scno): Do not bail out
if PTRACE_PEEKTEXT fails.
Move is_negated_errno() to a separate new header file negated_errno.h
and include it just for architectures which require it.
is_negated_errno() is not used on those architectures
that have a dedicated register to signal a syscall error.
The issue was raised when compiling with clang, which is more
strict regarding semantics of unused static inline functions
defined in C files and will issue a -Wunused-function warrning
if they are not used anywhere.
* syscall.c (is_negated_errno): Move to ...
* negated_errno.h: ... new file.
* Makefile.am (strace_SOURCES): Add it.
* linux/aarch64/get_error.c: Include it.
* linux/arc/get_error.c: Likewise.
* linux/arm/get_error.c: Likewise.
* linux/avr32/get_error.c: Likewise.
* linux/bfin/get_error.c: Likewise.
* linux/crisv10/get_error.c: Likewise.
* linux/hppa/get_error.c: Likewise.
* linux/i386/get_error.c: Likewise.
* linux/ia64/get_error.c: Likewise.
* linux/m68k/get_error.c: Likewise.
* linux/metag/get_error.c: Likewise.
* linux/microblaze/get_error.c: Likewise.
* linux/or1k/get_error.c: Likewise.
* linux/riscv/get_error.c: Likewise.
* linux/s390/get_error.c: Likewise.
* linux/sh/get_error.c: Likewise.
* linux/sh64/get_error.c: Likewise.
* linux/tile/get_error.c: Likewise.
* linux/x86_64/get_error.c: Likewise.
* linux/xtensa/get_error.c: Likewise.
* linux/inet_diag.h (inet_diag_bc_op, inet_diag_hostcond,
inet_diag_markcond): New structures.
(INET_DIAG_BC_*): New enum.
* netlink_sock_diag.c: Include "xlat/inet_diag_bytecodes.h".
(decode_inet_addr, decode_inet_diag_hostcond,
print_inet_diag_bc_op, decode_inet_diag_markcond,
decode_bytecode_data, decode_inet_diag_bc_op): New functions.
(inet_diag_req_nla_decoders): New array.
(decode_inet_diag_req_compat, decode_inet_diag_req_v2): Use it.
* xlat/inet_diag_bytecodes.in: New file.
* linux/smc_diag.h (smc_diag_cursor, smc_diag_conninfo
smc_diag_linkinfo, smc_diag_lgrinfo): New structures.
* netlink_sock_diag.c: Include "xlat/smc_link_group_roles.h".
(decode_smc_diag_conninfo, decode_smc_diag_lgrinfo): New functions.
(smc_diag_msg_nla_decoders): New array.
(decode_smc_diag_msg): Use it.
* xlat/smc_link_group_roles.in: New file.
* linux/packet_diag.h (packet_diag_info, packet_diag_mclist,
packet_diag_ring): New structures.
(PDI_*): New macros.
* netlink_sock_diag.c: Include <linux/filter.h>
and "xlat/packet_diag_info_flags.h".
(decode_packet_diag_info, decode_packet_diag_mclist,
decode_packet_diag_ring, decode_packet_diag_filter): New functions.
(packet_diag_msg_nla_decoders): New array.
(decode_packet_diag_msg): Use it.
* print_fields.h (PRINT_FIELD_QUOTED_STRING): New macro.
* xlat/packet_diag_info_flags.in: New file.
Co-authored-by: Dmitry V. Levin <ldv@altlinux.org>
Starting with linux commit v4.0-rc4~21^2, "SP" register
is available via regs[PTR_SP] member of struct user_pt_regs.
* linux/nios2/arch_regs.h (nios2_sp_ptr): Change type
to "unsigned int *".
* linux/nios2/arch_regs.c (nios2_sp_ptr): Likewise.
Replace .sp with .regs[PTR_SP].
Fixes: http://autobuild.buildroot.net/results/b9f/b9fc25b82f3280872fe1593ac252a8529ba83576
Fixes: v4.16-34-g6117728a ("nios2: export nios2_sp_ptr")
Signed-off-by: Romain Naour <romain.naour@smile.fr>
Signed-off-by: Dmitry V. Levin <ldv@altlinux.org>
"sp" register is a member of "scratch" structure (which is nested
in user_regs_struct)
* linux/arc/arch_regs.c: Replace .sp with .scratch.sp .
Fixes: v4.16-31-g134042a5 ("arc: export arc_sp_ptr")
Signed-off-by: Eugeniy Paltsev <Eugeniy.Paltsev@synopsys.com>
Signed-off-by: Dmitry V. Levin <ldv@altlinux.org>
* netlink_sock_diag.c (unix_diag_msg_nla_decoders): New array.
(decode_unix_diag_msg): Use it.
* linux/unix_diag.h (unix_diag_vfs, unix_diag_rqlen): New structures.
* linux/netlink_diag.h (netlink_diag_ring): New structure.
(NDIAG_FLAG_*): New macros.
* netlink_sock_diag.c: Include "xlat/netlink_socket_flags.h".
(print_group, decode_netlink_diag_groups, decode_netlink_diag_ring,
decode_netlink_diag_flags): New functions.
(netlink_diag_msg_nla_decoders): New array.
(decode_netlink_diag_msg): Use it.
* xlat/netlink_socket_flags.in: New file.
* linux/inet_diag.h (inet_diag_meminfo, tcpvegas_info,
tcp_dctcp_info, tcp_bbr_info): New structures.
* linux/sock_diag.h (SK_MEMINFO_VARS): New macro.
* netlink_sock_diag.c: Include <linux/sock_diag.h>.
(print_meminfo, decode_meminfo, decode_inet_diag_meminfo,
decode_tcpvegas_info, decode_tcp_dctcp_info, decode_tcp_bbr_info):
New functions.
(inet_diag_msg_nla_decoders): New array.
(decode_inet_diag_msg): Use it.
* linux/packet_diag.h (PACKET_DIAG_*): New enum.
* netlink_sock_diag.c: Include "xlat/packet_diag_attrs.h".
(decode_packet_diag_msg): Use decode_nlattr.
* xlat/packet_diag_attrs.in: New file.
Co-authored-by: Fabien Siron <fabien.siron@epita.fr>
* linux/netlink_diag.h (NETLINK_DIAG_*): New enum.
* netlink_sock_diag.c: Include "xlat/netlink_diag_attrs.h".
(decode_netlink_diag_msg): Use decode_nlattr.
* xlat/netlink_diag_attrs.in: New file.
Co-authored-by: Fabien Siron <fabien.siron@epita.fr>
* linux/smc_diag.h: New file.
* Makefile.am (EXTRA_DIST): Add it.
* netlink_sock_diag.c: Include <linux/smc_diag.h>,
"xlat/smc_diag_extended_flags.h" and "xlat/smc_states.h".
(decode_smc_diag_req, decode_smc_diag_msg): New functions.
(diag_decoders): Add AF_SMC.
* xlat/smc_diag_extended_flags.in: New file.
* xlat/smc_states.in: Likewise.
Implement a pluggable mechanism of nlmsg_type decoding.
Add decoding of NETLINK_SOCK_DIAG types.
* linux/sock_diag.h (SOCK_DESTROY): New macro.
* xlat/nl_sock_diag_types.in: New file.
* netlink.c: Include xlat/nl_sock_diag_types.h.
(get_fd_nl_family, decode_nlmsg_type): New functions.
(print_nlmsghdr): Use them for nlmsg_type decoding.
Co-authored-by: Fabien Siron <fabien.siron@epita.fr>
Parsers of sigprocmask and osf_sigprocmask syscalls are different
anyway, so rename the function to match the syscall name.
* signal.c [ALPHA] (SYS_FUNC(sigprocmask)): Rename
to SYS_FUNC(osf_sigprocmask).
* linux/alpha/syscallent.h: Update sys_func.
