aboutsummaryrefslogtreecommitdiff
path: root/kernel/fork.c
diff options
context:
space:
mode:
authorGreg Kroah-Hartman <gregkh@linuxfoundation.org>2020-05-18 07:55:55 +0200
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2020-05-18 07:55:55 +0200
commit48a789079a146ecd916e29cc5e47410d9cb05fbe (patch)
tree04f890f10e9cbdd97b4bf72647656ec94cb8d51f /kernel/fork.c
parent2478be82de44bee4346eb1f48d4cfa28cd99d2d0 (diff)
parentb9bbe6ed63b2b9f2c9ee5cbd0f2c946a2723f4ce (diff)
Merge 5.7-rc6 into usb-next
We need the USB fixes in here as well. Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'kernel/fork.c')
-rw-r--r--kernel/fork.c13
1 files changed, 7 insertions, 6 deletions
diff --git a/kernel/fork.c b/kernel/fork.c
index 8c700f881d92..48ed22774efa 100644
--- a/kernel/fork.c
+++ b/kernel/fork.c
@@ -2486,11 +2486,11 @@ long do_fork(unsigned long clone_flags,
int __user *child_tidptr)
{
struct kernel_clone_args args = {
- .flags = (clone_flags & ~CSIGNAL),
+ .flags = (lower_32_bits(clone_flags) & ~CSIGNAL),
.pidfd = parent_tidptr,
.child_tid = child_tidptr,
.parent_tid = parent_tidptr,
- .exit_signal = (clone_flags & CSIGNAL),
+ .exit_signal = (lower_32_bits(clone_flags) & CSIGNAL),
.stack = stack_start,
.stack_size = stack_size,
};
@@ -2508,8 +2508,9 @@ long do_fork(unsigned long clone_flags,
pid_t kernel_thread(int (*fn)(void *), void *arg, unsigned long flags)
{
struct kernel_clone_args args = {
- .flags = ((flags | CLONE_VM | CLONE_UNTRACED) & ~CSIGNAL),
- .exit_signal = (flags & CSIGNAL),
+ .flags = ((lower_32_bits(flags) | CLONE_VM |
+ CLONE_UNTRACED) & ~CSIGNAL),
+ .exit_signal = (lower_32_bits(flags) & CSIGNAL),
.stack = (unsigned long)fn,
.stack_size = (unsigned long)arg,
};
@@ -2570,11 +2571,11 @@ SYSCALL_DEFINE5(clone, unsigned long, clone_flags, unsigned long, newsp,
#endif
{
struct kernel_clone_args args = {
- .flags = (clone_flags & ~CSIGNAL),
+ .flags = (lower_32_bits(clone_flags) & ~CSIGNAL),
.pidfd = parent_tidptr,
.child_tid = child_tidptr,
.parent_tid = parent_tidptr,
- .exit_signal = (clone_flags & CSIGNAL),
+ .exit_signal = (lower_32_bits(clone_flags) & CSIGNAL),
.stack = newsp,
.tls = tls,
};