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| author | Ingo Molnar <mingo@kernel.org> | 2016-04-13 08:57:03 +0200 |
|---|---|---|
| committer | Ingo Molnar <mingo@kernel.org> | 2016-04-13 08:57:03 +0200 |
| commit | 889fac6d67d46a5e781c08fb26fec9016db1c307 (patch) | |
| tree | 7e01d04928f7ce343afff5b77ba13c2f3d083326 /kernel/signal.c | |
| parent | Merge tag 'perf-core-for-mingo-20160401' of git://git.kernel.org/pub/scm/linu... (diff) | |
| parent | Linux 4.6-rc3 (diff) | |
| download | linux-889fac6d67d46a5e781c08fb26fec9016db1c307.tar.xz linux-889fac6d67d46a5e781c08fb26fec9016db1c307.zip | |
Merge tag 'v4.6-rc3' into perf/core, to refresh the tree
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'kernel/signal.c')
| -rw-r--r-- | kernel/signal.c | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/kernel/signal.c b/kernel/signal.c index 0508544c8ced..aa9bf00749c1 100644 --- a/kernel/signal.c +++ b/kernel/signal.c @@ -2709,6 +2709,10 @@ int copy_siginfo_to_user(siginfo_t __user *to, const siginfo_t *from) err |= __put_user(from->si_upper, &to->si_upper); } #endif +#ifdef SEGV_PKUERR + if (from->si_signo == SIGSEGV && from->si_code == SEGV_PKUERR) + err |= __put_user(from->si_pkey, &to->si_pkey); +#endif break; case __SI_CHLD: err |= __put_user(from->si_pid, &to->si_pid); @@ -3581,6 +3585,10 @@ __weak const char *arch_vma_name(struct vm_area_struct *vma) void __init signals_init(void) { + /* If this check fails, the __ARCH_SI_PREAMBLE_SIZE value is wrong! */ + BUILD_BUG_ON(__ARCH_SI_PREAMBLE_SIZE + != offsetof(struct siginfo, _sifields._pad)); + sigqueue_cachep = KMEM_CACHE(sigqueue, SLAB_PANIC); } |