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| author | Takashi Iwai <tiwai@suse.de> | 2016-04-04 09:51:08 (GMT) |
|---|---|---|
| committer | Takashi Iwai <tiwai@suse.de> | 2016-04-04 09:51:08 (GMT) |
| commit | a99e31512aa435e8391ba5f5e64abeac9c5f2f32 (patch) | |
| tree | 56bb9d9ccfe76520b672249757e25f686275b204 /arch/parisc/kernel/ptrace.c | |
| parent | 86c8dd7f4da3fb3f92fc5ab5144c971639d39745 (diff) | |
| parent | f03b24a851d32ca85dacab01785b24a7ee717d37 (diff) | |
| download | linux-a99e31512aa435e8391ba5f5e64abeac9c5f2f32.tar.xz | |
Merge branch 'for-linus' into for-next
Conflicts:
sound/hda/hdac_i915.c
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Diffstat (limited to 'arch/parisc/kernel/ptrace.c')
| -rw-r--r-- | arch/parisc/kernel/ptrace.c | 9 |
1 files changed, 7 insertions, 2 deletions
diff --git a/arch/parisc/kernel/ptrace.c b/arch/parisc/kernel/ptrace.c index ce0b2b4..8fb81a3 100644 --- a/arch/parisc/kernel/ptrace.c +++ b/arch/parisc/kernel/ptrace.c @@ -270,7 +270,8 @@ long compat_arch_ptrace(struct task_struct *child, compat_long_t request, long do_syscall_trace_enter(struct pt_regs *regs) { /* Do the secure computing check first. */ - secure_computing_strict(regs->gr[20]); + if (secure_computing() == -1) + return -1; if (test_thread_flag(TIF_SYSCALL_TRACE) && tracehook_report_syscall_entry(regs)) { @@ -296,7 +297,11 @@ long do_syscall_trace_enter(struct pt_regs *regs) regs->gr[23] & 0xffffffff); out: - return regs->gr[20]; + /* + * Sign extend the syscall number to 64bit since it may have been + * modified by a compat ptrace call + */ + return (int) ((u32) regs->gr[20]); } void do_syscall_trace_exit(struct pt_regs *regs) |