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| author | Linus Torvalds <torvalds@linux-foundation.org> | 2012-01-17 16:06:51 -0800 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2012-01-17 16:41:31 -0800 |
| commit | f429ee3b808118591d1f3cdf3c0d0793911a5677 (patch) | |
| tree | 96d848f5f677d96758ecd2aee5eb6931b75bf218 /arch/arm/kernel | |
| parent | 22b4eb5e3174efb49791c62823d0cccc35394c36 (diff) | |
| parent | c158a35c8a681cf68d36f22f058f9f5466386c71 (diff) | |
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/audit
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/audit: (29 commits)
audit: no leading space in audit_log_d_path prefix
audit: treat s_id as an untrusted string
audit: fix signedness bug in audit_log_execve_info()
audit: comparison on interprocess fields
audit: implement all object interfield comparisons
audit: allow interfield comparison between gid and ogid
audit: complex interfield comparison helper
audit: allow interfield comparison in audit rules
Kernel: Audit Support For The ARM Platform
audit: do not call audit_getname on error
audit: only allow tasks to set their loginuid if it is -1
audit: remove task argument to audit_set_loginuid
audit: allow audit matching on inode gid
audit: allow matching on obj_uid
audit: remove audit_finish_fork as it can't be called
audit: reject entry,always rules
audit: inline audit_free to simplify the look of generic code
audit: drop audit_set_macxattr as it doesn't do anything
audit: inline checks for not needing to collect aux records
audit: drop some potentially inadvisable likely notations
...
Use evil merge to fix up grammar mistakes in Kconfig file.
Bad speling and horrible grammar (and copious swearing) is to be
expected, but let's keep it to commit messages and comments, rather than
expose it to users in config help texts or printouts.
Diffstat (limited to 'arch/arm/kernel')
| -rw-r--r-- | arch/arm/kernel/entry-common.S | 4 | ||||
| -rw-r--r-- | arch/arm/kernel/ptrace.c | 16 |
2 files changed, 13 insertions, 7 deletions
diff --git a/arch/arm/kernel/entry-common.S b/arch/arm/kernel/entry-common.S index b2a27b6b004..520889cf1b5 100644 --- a/arch/arm/kernel/entry-common.S +++ b/arch/arm/kernel/entry-common.S @@ -87,7 +87,7 @@ ENTRY(ret_from_fork) get_thread_info tsk ldr r1, [tsk, #TI_FLAGS] @ check for syscall tracing mov why, #1 - tst r1, #_TIF_SYSCALL_TRACE @ are we tracing syscalls? + tst r1, #_TIF_SYSCALL_WORK @ are we tracing syscalls? beq ret_slow_syscall mov r1, sp mov r0, #1 @ trace exit [IP = 1] @@ -443,7 +443,7 @@ ENTRY(vector_swi) 1: #endif - tst r10, #_TIF_SYSCALL_TRACE @ are we tracing syscalls? + tst r10, #_TIF_SYSCALL_WORK @ are we tracing syscalls? bne __sys_trace cmp scno, #NR_syscalls @ check upper syscall limit diff --git a/arch/arm/kernel/ptrace.c b/arch/arm/kernel/ptrace.c index 483727ad689..e1d5e1929fb 100644 --- a/arch/arm/kernel/ptrace.c +++ b/arch/arm/kernel/ptrace.c @@ -906,11 +906,6 @@ asmlinkage int syscall_trace(int why, struct pt_regs *regs, int scno) { unsigned long ip; - if (!test_thread_flag(TIF_SYSCALL_TRACE)) - return scno; - if (!(current->ptrace & PT_PTRACED)) - return scno; - /* * Save IP. IP is used to denote syscall entry/exit: * IP = 0 -> entry, = 1 -> exit @@ -918,6 +913,17 @@ asmlinkage int syscall_trace(int why, struct pt_regs *regs, int scno) ip = regs->ARM_ip; regs->ARM_ip = why; + if (!ip) + audit_syscall_exit(regs); + else + audit_syscall_entry(AUDIT_ARCH_ARMEB, scno, regs->ARM_r0, + regs->ARM_r1, regs->ARM_r2, regs->ARM_r3); + + if (!test_thread_flag(TIF_SYSCALL_TRACE)) + return scno; + if (!(current->ptrace & PT_PTRACED)) + return scno; + current_thread_info()->syscall = scno; /* the 0x80 provides a way for the tracing parent to distinguish |