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| author | Dave Airlie <airlied@redhat.com> | 2019-04-15 07:51:49 +0200 |
|---|---|---|
| committer | Dave Airlie <airlied@redhat.com> | 2019-04-15 07:51:49 +0200 |
| commit | f06ddb53096b4cddad2c530125a78a3c2a1d28a4 (patch) | |
| tree | 36a05922af22272dc82357ce82be21a3a9214bd0 /kernel/ptrace.c | |
| parent | Merge branch 'drm-next-5.2' of git://people.freedesktop.org/~agd5f/linux into... (diff) | |
| parent | Linux 5.1-rc5 (diff) | |
| download | linux-f06ddb53096b4cddad2c530125a78a3c2a1d28a4.tar.xz linux-f06ddb53096b4cddad2c530125a78a3c2a1d28a4.zip | |
BackMerge v5.1-rc5 into drm-next
Need rc5 for udl fix to add udl cleanups on top.
Signed-off-by: Dave Airlie <airlied@redhat.com>
Diffstat (limited to 'kernel/ptrace.c')
| -rw-r--r-- | kernel/ptrace.c | 15 |
1 files changed, 13 insertions, 2 deletions
diff --git a/kernel/ptrace.c b/kernel/ptrace.c index 771e93f9c43f..6f357f4fc859 100644 --- a/kernel/ptrace.c +++ b/kernel/ptrace.c @@ -29,6 +29,7 @@ #include <linux/hw_breakpoint.h> #include <linux/cn_proc.h> #include <linux/compat.h> +#include <linux/sched/signal.h> /* * Access another process' address space via ptrace. @@ -924,18 +925,26 @@ int ptrace_request(struct task_struct *child, long request, ret = ptrace_setsiginfo(child, &siginfo); break; - case PTRACE_GETSIGMASK: + case PTRACE_GETSIGMASK: { + sigset_t *mask; + if (addr != sizeof(sigset_t)) { ret = -EINVAL; break; } - if (copy_to_user(datavp, &child->blocked, sizeof(sigset_t))) + if (test_tsk_restore_sigmask(child)) + mask = &child->saved_sigmask; + else + mask = &child->blocked; + + if (copy_to_user(datavp, mask, sizeof(sigset_t))) ret = -EFAULT; else ret = 0; break; + } case PTRACE_SETSIGMASK: { sigset_t new_set; @@ -961,6 +970,8 @@ int ptrace_request(struct task_struct *child, long request, child->blocked = new_set; spin_unlock_irq(&child->sighand->siglock); + clear_tsk_restore_sigmask(child); + ret = 0; break; } |