diff options
| author |   Dmitry V. Levin <ldv@altlinux.org> | 2019-07-14 19:20:47 +0300 |
|---|---|---|
| committer |   Christian Brauner <christian@brauner.io> | 2019-07-14 20:36:12 +0200 |
| commit | 028b6e8a89de9133a869bb4cd1bc72445b1ec8ca (patch) | |
| tree | 1f7464eb4b1f64d20def0019a2818e8c3e9c2c74 /include/linux/sched | |
| parent | Merge tag 'dlm-5.3' of git://git.kernel.org/pub/scm/linux/kernel/git/teigland/linux-dlm (diff) | |
| download | linux-dev-028b6e8a89de9133a869bb4cd1bc72445b1ec8ca.tar.xz linux-dev-028b6e8a89de9133a869bb4cd1bc72445b1ec8ca.zip | |
clone: fix CLONE_PIDFD support
The introduction of clone3 syscall accidentally broke CLONE_PIDFD
support in traditional clone syscall on compat x86 and those
architectures that use do_fork to implement clone syscall.
This bug was found by strace test suite.
Link: https://strace.io/logs/strace/2019-07-12
Fixes: 7f192e3cd316 ("fork: add clone3")
Bisected-and-tested-by: Anatoly Pugachev <matorola@gmail.com>
Signed-off-by: Dmitry V. Levin <ldv@altlinux.org>
Link: https://lore.kernel.org/r/20190714162047.GB10389@altlinux.org
Signed-off-by: Christian Brauner <christian@brauner.io>
Diffstat (limited to 'include/linux/sched')
| -rw-r--r-- | include/linux/sched/task.h | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/include/linux/sched/task.h b/include/linux/sched/task.h index 109a0df5af39..0497091e40c1 100644 --- a/include/linux/sched/task.h +++ b/include/linux/sched/task.h @@ -89,6 +89,7 @@ extern void exit_files(struct task_struct *); extern void exit_itimers(struct signal_struct *); extern long _do_fork(struct kernel_clone_args *kargs); +extern bool legacy_clone_args_valid(const struct kernel_clone_args *kargs); extern long do_fork(unsigned long, unsigned long, unsigned long, int __user *, int __user *); struct task_struct *fork_idle(int); struct mm_struct *copy_init_mm(void); |