diff options
Diffstat (limited to 'include')
| -rw-r--r-- | include/linux/net.h | 1 | ||||
| -rw-r--r-- | include/linux/pidfs.h | 5 | ||||
| -rw-r--r-- | include/uapi/linux/pidfd.h | 16 |
3 files changed, 22 insertions, 0 deletions
diff --git a/include/linux/net.h b/include/linux/net.h index 0ff950eecc6b..139c85d0f2ea 100644 --- a/include/linux/net.h +++ b/include/linux/net.h @@ -81,6 +81,7 @@ enum sock_type { #ifndef SOCK_NONBLOCK #define SOCK_NONBLOCK O_NONBLOCK #endif +#define SOCK_COREDUMP O_NOCTTY #endif /* ARCH_HAS_SOCKET_TYPES */ diff --git a/include/linux/pidfs.h b/include/linux/pidfs.h index 2676890c4d0d..77e7db194914 100644 --- a/include/linux/pidfs.h +++ b/include/linux/pidfs.h @@ -2,11 +2,16 @@ #ifndef _LINUX_PID_FS_H #define _LINUX_PID_FS_H +struct coredump_params; + struct file *pidfs_alloc_file(struct pid *pid, unsigned int flags); void __init pidfs_init(void); void pidfs_add_pid(struct pid *pid); void pidfs_remove_pid(struct pid *pid); void pidfs_exit(struct task_struct *tsk); +#ifdef CONFIG_COREDUMP +void pidfs_coredump(const struct coredump_params *cprm); +#endif extern const struct dentry_operations pidfs_dentry_operations; int pidfs_register_pid(struct pid *pid); void pidfs_get_pid(struct pid *pid); diff --git a/include/uapi/linux/pidfd.h b/include/uapi/linux/pidfd.h index 8c1511edd0e9..c27a4e238e4b 100644 --- a/include/uapi/linux/pidfd.h +++ b/include/uapi/linux/pidfd.h @@ -25,10 +25,24 @@ #define PIDFD_INFO_CREDS (1UL << 1) /* Always returned, even if not requested */ #define PIDFD_INFO_CGROUPID (1UL << 2) /* Always returned if available, even if not requested */ #define PIDFD_INFO_EXIT (1UL << 3) /* Only returned if requested. */ +#define PIDFD_INFO_COREDUMP (1UL << 4) /* Only returned if requested. */ #define PIDFD_INFO_SIZE_VER0 64 /* sizeof first published struct */ /* + * Values for @coredump_mask in pidfd_info. + * Only valid if PIDFD_INFO_COREDUMP is set in @mask. + * + * Note, the @PIDFD_COREDUMP_ROOT flag indicates that the generated + * coredump should be treated as sensitive and access should only be + * granted to privileged users. + */ +#define PIDFD_COREDUMPED (1U << 0) /* Did crash and... */ +#define PIDFD_COREDUMP_SKIP (1U << 1) /* coredumping generation was skipped. */ +#define PIDFD_COREDUMP_USER (1U << 2) /* coredump was done as the user. */ +#define PIDFD_COREDUMP_ROOT (1U << 3) /* coredump was done as root. */ + +/* * The concept of process and threads in userland and the kernel is a confusing * one - within the kernel every thread is a 'task' with its own individual PID, * however from userland's point of view threads are grouped by a single PID, @@ -92,6 +106,8 @@ struct pidfd_info { __u32 fsuid; __u32 fsgid; __s32 exit_code; + __u32 coredump_mask; + __u32 __spare1; }; #define PIDFS_IOCTL_MAGIC 0xFF |