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author | Linus Torvalds <torvalds@linux-foundation.org> | 2014-10-19 16:25:56 -0700 |
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committer | Linus Torvalds <torvalds@linux-foundation.org> | 2014-10-19 16:25:56 -0700 |
commit | ab074ade9c33b3585da86d62e87bcb3e897a3f54 (patch) | |
tree | 142b42182889c64813af997b8701707a3397e834 /arch/sh | |
parent | 61ed53deb1c6a4386d8710dbbfcee8779c381931 (diff) | |
parent | 2991dd2b0117e864f394c826af6df144206ce0db (diff) | |
download | linux-stable-ab074ade9c33b3585da86d62e87bcb3e897a3f54.tar.gz linux-stable-ab074ade9c33b3585da86d62e87bcb3e897a3f54.tar.bz2 linux-stable-ab074ade9c33b3585da86d62e87bcb3e897a3f54.zip |
Merge git://git.infradead.org/users/eparis/audit
Pull audit updates from Eric Paris:
"So this change across a whole bunch of arches really solves one basic
problem. We want to audit when seccomp is killing a process. seccomp
hooks in before the audit syscall entry code. audit_syscall_entry
took as an argument the arch of the given syscall. Since the arch is
part of what makes a syscall number meaningful it's an important part
of the record, but it isn't available when seccomp shoots the
syscall...
For most arch's we have a better way to get the arch (syscall_get_arch)
So the solution was two fold: Implement syscall_get_arch() everywhere
there is audit which didn't have it. Use syscall_get_arch() in the
seccomp audit code. Having syscall_get_arch() everywhere meant it was
a useless flag on the stack and we could get rid of it for the typical
syscall entry.
The other changes inside the audit system aren't grand, fixed some
records that had invalid spaces. Better locking around the task comm
field. Removing some dead functions and structs. Make some things
static. Really minor stuff"
* git://git.infradead.org/users/eparis/audit: (31 commits)
audit: rename audit_log_remove_rule to disambiguate for trees
audit: cull redundancy in audit_rule_change
audit: WARN if audit_rule_change called illegally
audit: put rule existence check in canonical order
next: openrisc: Fix build
audit: get comm using lock to avoid race in string printing
audit: remove open_arg() function that is never used
audit: correct AUDIT_GET_FEATURE return message type
audit: set nlmsg_len for multicast messages.
audit: use union for audit_field values since they are mutually exclusive
audit: invalid op= values for rules
audit: use atomic_t to simplify audit_serial()
kernel/audit.c: use ARRAY_SIZE instead of sizeof/sizeof[0]
audit: reduce scope of audit_log_fcaps
audit: reduce scope of audit_net_id
audit: arm64: Remove the audit arch argument to audit_syscall_entry
arm64: audit: Add audit hook in syscall_trace_enter/exit()
audit: x86: drop arch from __audit_syscall_entry() interface
sparc: implement is_32bit_task
sparc: properly conditionalize use of TIF_32BIT
...
Diffstat (limited to 'arch/sh')
-rw-r--r-- | arch/sh/include/asm/syscall_32.h | 10 | ||||
-rw-r--r-- | arch/sh/include/asm/syscall_64.h | 14 | ||||
-rw-r--r-- | arch/sh/kernel/ptrace_32.c | 14 | ||||
-rw-r--r-- | arch/sh/kernel/ptrace_64.c | 17 |
4 files changed, 26 insertions, 29 deletions
diff --git a/arch/sh/include/asm/syscall_32.h b/arch/sh/include/asm/syscall_32.h index 7d80df4f09cb..95be3b0ce0ac 100644 --- a/arch/sh/include/asm/syscall_32.h +++ b/arch/sh/include/asm/syscall_32.h @@ -1,6 +1,7 @@ #ifndef __ASM_SH_SYSCALL_32_H #define __ASM_SH_SYSCALL_32_H +#include <uapi/linux/audit.h> #include <linux/kernel.h> #include <linux/sched.h> #include <linux/err.h> @@ -93,4 +94,13 @@ static inline void syscall_set_arguments(struct task_struct *task, } } +static inline int syscall_get_arch(void) +{ + int arch = AUDIT_ARCH_SH; + +#ifdef CONFIG_CPU_LITTLE_ENDIAN + arch |= __AUDIT_ARCH_LE; +#endif + return arch; +} #endif /* __ASM_SH_SYSCALL_32_H */ diff --git a/arch/sh/include/asm/syscall_64.h b/arch/sh/include/asm/syscall_64.h index c3561ca72bee..c6a797b90b80 100644 --- a/arch/sh/include/asm/syscall_64.h +++ b/arch/sh/include/asm/syscall_64.h @@ -1,6 +1,7 @@ #ifndef __ASM_SH_SYSCALL_64_H #define __ASM_SH_SYSCALL_64_H +#include <uapi/linux/audit.h> #include <linux/kernel.h> #include <linux/sched.h> #include <asm/ptrace.h> @@ -61,4 +62,17 @@ static inline void syscall_set_arguments(struct task_struct *task, memcpy(®s->regs[2 + i], args, n * sizeof(args[0])); } +static inline int syscall_get_arch(void) +{ + int arch = AUDIT_ARCH_SH; + +#ifdef CONFIG_64BIT + arch |= __AUDIT_ARCH_64BIT; +#endif +#ifdef CONFIG_CPU_LITTLE_ENDIAN + arch |= __AUDIT_ARCH_LE; +#endif + + return arch; +} #endif /* __ASM_SH_SYSCALL_64_H */ diff --git a/arch/sh/kernel/ptrace_32.c b/arch/sh/kernel/ptrace_32.c index 668c81631c08..c1a6b89bfe70 100644 --- a/arch/sh/kernel/ptrace_32.c +++ b/arch/sh/kernel/ptrace_32.c @@ -484,17 +484,6 @@ long arch_ptrace(struct task_struct *child, long request, return ret; } -static inline int audit_arch(void) -{ - int arch = EM_SH; - -#ifdef CONFIG_CPU_LITTLE_ENDIAN - arch |= __AUDIT_ARCH_LE; -#endif - - return arch; -} - asmlinkage long do_syscall_trace_enter(struct pt_regs *regs) { long ret = 0; @@ -513,8 +502,7 @@ asmlinkage long do_syscall_trace_enter(struct pt_regs *regs) if (unlikely(test_thread_flag(TIF_SYSCALL_TRACEPOINT))) trace_sys_enter(regs, regs->regs[0]); - audit_syscall_entry(audit_arch(), regs->regs[3], - regs->regs[4], regs->regs[5], + audit_syscall_entry(regs->regs[3], regs->regs[4], regs->regs[5], regs->regs[6], regs->regs[7]); return ret ?: regs->regs[0]; diff --git a/arch/sh/kernel/ptrace_64.c b/arch/sh/kernel/ptrace_64.c index af90339dadcd..5cea973a65b2 100644 --- a/arch/sh/kernel/ptrace_64.c +++ b/arch/sh/kernel/ptrace_64.c @@ -504,20 +504,6 @@ asmlinkage int sh64_ptrace(long request, long pid, return sys_ptrace(request, pid, addr, data); } -static inline int audit_arch(void) -{ - int arch = EM_SH; - -#ifdef CONFIG_64BIT - arch |= __AUDIT_ARCH_64BIT; -#endif -#ifdef CONFIG_CPU_LITTLE_ENDIAN - arch |= __AUDIT_ARCH_LE; -#endif - - return arch; -} - asmlinkage long long do_syscall_trace_enter(struct pt_regs *regs) { long long ret = 0; @@ -536,8 +522,7 @@ asmlinkage long long do_syscall_trace_enter(struct pt_regs *regs) if (unlikely(test_thread_flag(TIF_SYSCALL_TRACEPOINT))) trace_sys_enter(regs, regs->regs[9]); - audit_syscall_entry(audit_arch(), regs->regs[1], - regs->regs[2], regs->regs[3], + audit_syscall_entry(regs->regs[1], regs->regs[2], regs->regs[3], regs->regs[4], regs->regs[5]); return ret ?: regs->regs[9]; |