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02aff8db64
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Merge tag 'audit-pr-20190507' of git://git.kernel.org/pub/scm/linux/kernel/git/pcmoore/audit
Pull audit updates from Paul Moore:
"We've got a reasonably broad set of audit patches for the v5.2 merge
window, the highlights are below:
- The biggest change, and the source of all the arch/* changes, is
the patchset from Dmitry to help enable some of the work he is
doing around PTRACE_GET_SYSCALL_INFO.
To be honest, including this in the audit tree is a bit of a
stretch, but it does help move audit a little further along towards
proper syscall auditing for all arches, and everyone else seemed to
agree that audit was a "good" spot for this to land (or maybe they
just didn't want to merge it? dunno.).
- We can now audit time/NTP adjustments.
- We continue the work to connect associated audit records into a
single event"
* tag 'audit-pr-20190507' of git://git.kernel.org/pub/scm/linux/kernel/git/pcmoore/audit: (21 commits)
audit: fix a memory leak bug
ntp: Audit NTP parameters adjustment
timekeeping: Audit clock adjustments
audit: purge unnecessary list_empty calls
audit: link integrity evm_write_xattrs record to syscall event
syscall_get_arch: add "struct task_struct *" argument
unicore32: define syscall_get_arch()
Move EM_UNICORE to uapi/linux/elf-em.h
nios2: define syscall_get_arch()
nds32: define syscall_get_arch()
Move EM_NDS32 to uapi/linux/elf-em.h
m68k: define syscall_get_arch()
hexagon: define syscall_get_arch()
Move EM_HEXAGON to uapi/linux/elf-em.h
h8300: define syscall_get_arch()
c6x: define syscall_get_arch()
arc: define syscall_get_arch()
Move EM_ARCOMPACT and EM_ARCV2 to uapi/linux/elf-em.h
audit: Make audit_log_cap and audit_copy_inode static
audit: connect LOGIN record to its syscall record
...
83 lines
1.8 KiB
C
83 lines
1.8 KiB
C
/* SPDX-License-Identifier: GPL-2.0 */
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/*
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* Access to user system call parameters and results
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*
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* See asm-generic/syscall.h for descriptions of what we must do here.
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*/
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#ifndef _ASM_ARM_SYSCALL_H
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#define _ASM_ARM_SYSCALL_H
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#include <uapi/linux/audit.h> /* for AUDIT_ARCH_* */
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#include <linux/elf.h> /* for ELF_EM */
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#include <linux/err.h>
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#include <linux/sched.h>
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#include <asm/unistd.h>
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#define NR_syscalls (__NR_syscalls)
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extern const unsigned long sys_call_table[];
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static inline int syscall_get_nr(struct task_struct *task,
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struct pt_regs *regs)
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{
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return task_thread_info(task)->syscall;
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}
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static inline void syscall_rollback(struct task_struct *task,
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struct pt_regs *regs)
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{
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regs->ARM_r0 = regs->ARM_ORIG_r0;
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}
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static inline long syscall_get_error(struct task_struct *task,
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struct pt_regs *regs)
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{
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unsigned long error = regs->ARM_r0;
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return IS_ERR_VALUE(error) ? error : 0;
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}
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static inline long syscall_get_return_value(struct task_struct *task,
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struct pt_regs *regs)
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{
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return regs->ARM_r0;
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}
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static inline void syscall_set_return_value(struct task_struct *task,
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struct pt_regs *regs,
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int error, long val)
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{
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regs->ARM_r0 = (long) error ? error : val;
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}
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#define SYSCALL_MAX_ARGS 7
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static inline void syscall_get_arguments(struct task_struct *task,
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struct pt_regs *regs,
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unsigned long *args)
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{
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args[0] = regs->ARM_ORIG_r0;
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args++;
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memcpy(args, ®s->ARM_r0 + 1, 5 * sizeof(args[0]));
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}
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static inline void syscall_set_arguments(struct task_struct *task,
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struct pt_regs *regs,
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const unsigned long *args)
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{
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regs->ARM_ORIG_r0 = args[0];
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args++;
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memcpy(®s->ARM_r0 + 1, args, 5 * sizeof(args[0]));
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}
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static inline int syscall_get_arch(struct task_struct *task)
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{
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/* ARM tasks don't change audit architectures on the fly. */
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return AUDIT_ARCH_ARM;
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}
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#endif /* _ASM_ARM_SYSCALL_H */
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