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| author | Arnd Bergmann <arnd@arndb.de> | 2011-07-28 15:25:46 +0000 |
|---|---|---|
| committer | Arnd Bergmann <arnd@arndb.de> | 2011-07-28 15:25:46 +0000 |
| commit | 6124a4e430b64d1577438c8648c59e996d02e73e (patch) | |
| tree | 49cfafad785d1c9e403a5b0d755298b9af2c260f /arch/xtensa/kernel/ptrace.c | |
| parent | 8e267f3da5f117d2f1316cf6ddf740f93f1c73aa (diff) | |
| parent | 580975d7f48d7d047e22bb0f42adf7557801d8d4 (diff) | |
| download | op-kernel-dev-6124a4e430b64d1577438c8648c59e996d02e73e.zip op-kernel-dev-6124a4e430b64d1577438c8648c59e996d02e73e.tar.gz | |
Merge branch 'imx/dt' into next/dt
Diffstat (limited to 'arch/xtensa/kernel/ptrace.c')
| -rw-r--r-- | arch/xtensa/kernel/ptrace.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/arch/xtensa/kernel/ptrace.c b/arch/xtensa/kernel/ptrace.c index c72c947..a0d042a 100644 --- a/arch/xtensa/kernel/ptrace.c +++ b/arch/xtensa/kernel/ptrace.c @@ -147,6 +147,9 @@ int ptrace_setxregs(struct task_struct *child, void __user *uregs) elf_xtregs_t *xtregs = uregs; int ret = 0; + if (!access_ok(VERIFY_READ, uregs, sizeof(elf_xtregs_t))) + return -EFAULT; + #if XTENSA_HAVE_COPROCESSORS /* Flush all coprocessors before we overwrite them. */ coprocessor_flush_all(ti); |
