website-struct

Struct: user_namespace

Status

Regular

• In 4.4: ✅

  struct user_namespace {
      struct uid_gid_map uid_map;
      struct uid_gid_map gid_map;
      struct uid_gid_map projid_map;
      atomic_t count;
      struct user_namespace *parent;
      int level;
      kuid_t owner;
      kgid_t group;
      struct ns_common ns;
      long unsigned int flags;
      struct key *persistent_keyring_register;
      struct rw_semaphore persistent_keyring_register_sem;
  };
  

• In 4.8: ✅

  struct user_namespace {
      struct uid_gid_map uid_map;
      struct uid_gid_map gid_map;
      struct uid_gid_map projid_map;
      atomic_t count;
      struct user_namespace *parent;
      int level;
      kuid_t owner;
      kgid_t group;
      struct ns_common ns;
      long unsigned int flags;
      struct key *persistent_keyring_register;
      struct rw_semaphore persistent_keyring_register_sem;
  };
  

• In 4.10: ✅

  struct user_namespace {
      struct uid_gid_map uid_map;
      struct uid_gid_map gid_map;
      struct uid_gid_map projid_map;
      atomic_t count;
      struct user_namespace *parent;
      int level;
      kuid_t owner;
      kgid_t group;
      struct ns_common ns;
      long unsigned int flags;
      struct key *persistent_keyring_register;
      struct rw_semaphore persistent_keyring_register_sem;
      struct work_struct work;
      struct ctl_table_set set;
      struct ctl_table_header *sysctls;
      struct ucounts *ucounts;
      int ucount_max[7];
  };
  

• In 4.13: ✅

  struct user_namespace {
      struct uid_gid_map uid_map;
      struct uid_gid_map gid_map;
      struct uid_gid_map projid_map;
      atomic_t count;
      struct user_namespace *parent;
      int level;
      kuid_t owner;
      kgid_t group;
      struct ns_common ns;
      long unsigned int flags;
      struct key *persistent_keyring_register;
      struct rw_semaphore persistent_keyring_register_sem;
      struct work_struct work;
      struct ctl_table_set set;
      struct ctl_table_header *sysctls;
      struct ucounts *ucounts;
      int ucount_max[9];
  };
  

• In 4.15: ✅

  struct user_namespace {
      struct uid_gid_map uid_map;
      struct uid_gid_map gid_map;
      struct uid_gid_map projid_map;
      atomic_t count;
      struct user_namespace *parent;
      int level;
      kuid_t owner;
      kgid_t group;
      struct ns_common ns;
      long unsigned int flags;
      struct key *persistent_keyring_register;
      struct rw_semaphore persistent_keyring_register_sem;
      struct work_struct work;
      struct ctl_table_set set;
      struct ctl_table_header *sysctls;
      struct ucounts *ucounts;
      int ucount_max[9];
  };
  

• In 4.18: ✅

  struct user_namespace {
      struct uid_gid_map uid_map;
      struct uid_gid_map gid_map;
      struct uid_gid_map projid_map;
      atomic_t count;
      struct user_namespace *parent;
      int level;
      kuid_t owner;
      kgid_t group;
      struct ns_common ns;
      long unsigned int flags;
      struct key *persistent_keyring_register;
      struct rw_semaphore persistent_keyring_register_sem;
      struct work_struct work;
      struct ctl_table_set set;
      struct ctl_table_header *sysctls;
      struct ucounts *ucounts;
      int ucount_max[9];
  };
  

• In 5.0: ✅

  struct user_namespace {
      struct uid_gid_map uid_map;
      struct uid_gid_map gid_map;
      struct uid_gid_map projid_map;
      atomic_t count;
      struct user_namespace *parent;
      int level;
      kuid_t owner;
      kgid_t group;
      struct ns_common ns;
      long unsigned int flags;
      struct key *persistent_keyring_register;
      struct rw_semaphore persistent_keyring_register_sem;
      struct work_struct work;
      struct ctl_table_set set;
      struct ctl_table_header *sysctls;
      struct ucounts *ucounts;
      int ucount_max[9];
  };
  

• In 5.3: ✅

  struct user_namespace {
      struct uid_gid_map uid_map;
      struct uid_gid_map gid_map;
      struct uid_gid_map projid_map;
      atomic_t count;
      struct user_namespace *parent;
      int level;
      kuid_t owner;
      kgid_t group;
      struct ns_common ns;
      long unsigned int flags;
      struct list_head keyring_name_list;
      struct key *user_keyring_register;
      struct rw_semaphore keyring_sem;
      struct key *persistent_keyring_register;
      struct work_struct work;
      struct ctl_table_set set;
      struct ctl_table_header *sysctls;
      struct ucounts *ucounts;
      int ucount_max[9];
  };
  

• In 5.4: ✅

  struct user_namespace {
      struct uid_gid_map uid_map;
      struct uid_gid_map gid_map;
      struct uid_gid_map projid_map;
      atomic_t count;
      struct user_namespace *parent;
      int level;
      kuid_t owner;
      kgid_t group;
      struct ns_common ns;
      long unsigned int flags;
      struct list_head keyring_name_list;
      struct key *user_keyring_register;
      struct rw_semaphore keyring_sem;
      struct key *persistent_keyring_register;
      struct work_struct work;
      struct ctl_table_set set;
      struct ctl_table_header *sysctls;
      struct ucounts *ucounts;
      int ucount_max[9];
  };
  

• In 5.8: ✅

  struct user_namespace {
      struct uid_gid_map uid_map;
      struct uid_gid_map gid_map;
      struct uid_gid_map projid_map;
      atomic_t count;
      struct user_namespace *parent;
      int level;
      kuid_t owner;
      kgid_t group;
      struct ns_common ns;
      long unsigned int flags;
      struct list_head keyring_name_list;
      struct key *user_keyring_register;
      struct rw_semaphore keyring_sem;
      struct key *persistent_keyring_register;
      struct work_struct work;
      struct ctl_table_set set;
      struct ctl_table_header *sysctls;
      struct ucounts *ucounts;
      int ucount_max[10];
  };
  

• In 5.11: ✅

  struct user_namespace {
      struct uid_gid_map uid_map;
      struct uid_gid_map gid_map;
      struct uid_gid_map projid_map;
      struct user_namespace *parent;
      int level;
      kuid_t owner;
      kgid_t group;
      struct ns_common ns;
      long unsigned int flags;
      struct list_head keyring_name_list;
      struct key *user_keyring_register;
      struct rw_semaphore keyring_sem;
      struct key *persistent_keyring_register;
      struct work_struct work;
      struct ctl_table_set set;
      struct ctl_table_header *sysctls;
      struct ucounts *ucounts;
      int ucount_max[10];
  };
  

• In 5.13: ✅

  struct user_namespace {
      struct uid_gid_map uid_map;
      struct uid_gid_map gid_map;
      struct uid_gid_map projid_map;
      struct user_namespace *parent;
      int level;
      kuid_t owner;
      kgid_t group;
      struct ns_common ns;
      long unsigned int flags;
      bool parent_could_setfcap;
      struct list_head keyring_name_list;
      struct key *user_keyring_register;
      struct rw_semaphore keyring_sem;
      struct key *persistent_keyring_register;
      struct work_struct work;
      struct ctl_table_set set;
      struct ctl_table_header *sysctls;
      struct ucounts *ucounts;
      int ucount_max[12];
  };
  

• In 5.15: ✅

  struct user_namespace {
      struct uid_gid_map uid_map;
      struct uid_gid_map gid_map;
      struct uid_gid_map projid_map;
      struct user_namespace *parent;
      int level;
      kuid_t owner;
      kgid_t group;
      struct ns_common ns;
      long unsigned int flags;
      bool parent_could_setfcap;
      struct list_head keyring_name_list;
      struct key *user_keyring_register;
      struct rw_semaphore keyring_sem;
      struct key *persistent_keyring_register;
      struct work_struct work;
      struct ctl_table_set set;
      struct ctl_table_header *sysctls;
      struct ucounts *ucounts;
      long int ucount_max[16];
  };
  

• In 5.19: ✅

  struct user_namespace {
      struct uid_gid_map uid_map;
      struct uid_gid_map gid_map;
      struct uid_gid_map projid_map;
      struct user_namespace *parent;
      int level;
      kuid_t owner;
      kgid_t group;
      struct ns_common ns;
      long unsigned int flags;
      bool parent_could_setfcap;
      struct list_head keyring_name_list;
      struct key *user_keyring_register;
      struct rw_semaphore keyring_sem;
      struct key *persistent_keyring_register;
      struct work_struct work;
      struct ctl_table_set set;
      struct ctl_table_header *sysctls;
      struct ucounts *ucounts;
      long int ucount_max[16];
  };
  

• In 6.2: ✅

  struct user_namespace {
      struct uid_gid_map uid_map;
      struct uid_gid_map gid_map;
      struct uid_gid_map projid_map;
      struct user_namespace *parent;
      int level;
      kuid_t owner;
      kgid_t group;
      struct ns_common ns;
      long unsigned int flags;
      bool parent_could_setfcap;
      struct list_head keyring_name_list;
      struct key *user_keyring_register;
      struct rw_semaphore keyring_sem;
      struct key *persistent_keyring_register;
      struct work_struct work;
      struct ctl_table_set set;
      struct ctl_table_header *sysctls;
      struct ucounts *ucounts;
      long int ucount_max[12];
      long int rlimit_max[4];
  };
  

• In 6.5: ✅

  struct user_namespace {
      struct uid_gid_map uid_map;
      struct uid_gid_map gid_map;
      struct uid_gid_map projid_map;
      struct user_namespace *parent;
      int level;
      kuid_t owner;
      kgid_t group;
      struct ns_common ns;
      long unsigned int flags;
      bool parent_could_setfcap;
      struct list_head keyring_name_list;
      struct key *user_keyring_register;
      struct rw_semaphore keyring_sem;
      struct key *persistent_keyring_register;
      struct work_struct work;
      struct ctl_table_set set;
      struct ctl_table_header *sysctls;
      struct ucounts *ucounts;
      long int ucount_max[12];
      long int rlimit_max[4];
  };
  

• In 6.8: ✅

  struct user_namespace {
      struct uid_gid_map uid_map;
      struct uid_gid_map gid_map;
      struct uid_gid_map projid_map;
      struct user_namespace *parent;
      int level;
      kuid_t owner;
      kgid_t group;
      struct ns_common ns;
      long unsigned int flags;
      bool parent_could_setfcap;
      struct list_head keyring_name_list;
      struct key *user_keyring_register;
      struct rw_semaphore keyring_sem;
      struct key *persistent_keyring_register;
      struct work_struct work;
      struct ctl_table_set set;
      struct ctl_table_header *sysctls;
      struct ucounts *ucounts;
      long int ucount_max[12];
      long int rlimit_max[4];
      struct binfmt_misc *binfmt_misc;
  };
  

Arch

• In arm64: ✅

  struct user_namespace {
      struct uid_gid_map uid_map;
      struct uid_gid_map gid_map;
      struct uid_gid_map projid_map;
      atomic_t count;
      struct user_namespace *parent;
      int level;
      kuid_t owner;
      kgid_t group;
      struct ns_common ns;
      long unsigned int flags;
      struct list_head keyring_name_list;
      struct key *user_keyring_register;
      struct rw_semaphore keyring_sem;
      struct key *persistent_keyring_register;
      struct work_struct work;
      struct ctl_table_set set;
      struct ctl_table_header *sysctls;
      struct ucounts *ucounts;
      int ucount_max[9];
  };
  

• In armhf: ✅

  struct user_namespace {
      struct uid_gid_map uid_map;
      struct uid_gid_map gid_map;
      struct uid_gid_map projid_map;
      atomic_t count;
      struct user_namespace *parent;
      int level;
      kuid_t owner;
      kgid_t group;
      struct ns_common ns;
      long unsigned int flags;
      struct list_head keyring_name_list;
      struct key *user_keyring_register;
      struct rw_semaphore keyring_sem;
      struct key *persistent_keyring_register;
      struct work_struct work;
      struct ctl_table_set set;
      struct ctl_table_header *sysctls;
      struct ucounts *ucounts;
      int ucount_max[9];
  };
  

• In ppc64el: ✅

  struct user_namespace {
      struct uid_gid_map uid_map;
      struct uid_gid_map gid_map;
      struct uid_gid_map projid_map;
      atomic_t count;
      struct user_namespace *parent;
      int level;
      kuid_t owner;
      kgid_t group;
      struct ns_common ns;
      long unsigned int flags;
      struct list_head keyring_name_list;
      struct key *user_keyring_register;
      struct rw_semaphore keyring_sem;
      struct key *persistent_keyring_register;
      struct work_struct work;
      struct ctl_table_set set;
      struct ctl_table_header *sysctls;
      struct ucounts *ucounts;
      int ucount_max[9];
  };
  

• In riscv64: ✅

  struct user_namespace {
      struct uid_gid_map uid_map;
      struct uid_gid_map gid_map;
      struct uid_gid_map projid_map;
      atomic_t count;
      struct user_namespace *parent;
      int level;
      kuid_t owner;
      kgid_t group;
      struct ns_common ns;
      long unsigned int flags;
      struct list_head keyring_name_list;
      struct key *user_keyring_register;
      struct rw_semaphore keyring_sem;
      struct key *persistent_keyring_register;
      struct work_struct work;
      struct ctl_table_set set;
      struct ctl_table_header *sysctls;
      struct ucounts *ucounts;
      int ucount_max[9];
  };
  

Flavor

• In aws: ✅

  struct user_namespace {
      struct uid_gid_map uid_map;
      struct uid_gid_map gid_map;
      struct uid_gid_map projid_map;
      atomic_t count;
      struct user_namespace *parent;
      int level;
      kuid_t owner;
      kgid_t group;
      struct ns_common ns;
      long unsigned int flags;
      struct list_head keyring_name_list;
      struct key *user_keyring_register;
      struct rw_semaphore keyring_sem;
      struct key *persistent_keyring_register;
      struct work_struct work;
      struct ctl_table_set set;
      struct ctl_table_header *sysctls;
      struct ucounts *ucounts;
      int ucount_max[9];
  };
  

• In azure: ✅

  struct user_namespace {
      struct uid_gid_map uid_map;
      struct uid_gid_map gid_map;
      struct uid_gid_map projid_map;
      atomic_t count;
      struct user_namespace *parent;
      int level;
      kuid_t owner;
      kgid_t group;
      struct ns_common ns;
      long unsigned int flags;
      struct list_head keyring_name_list;
      struct key *user_keyring_register;
      struct rw_semaphore keyring_sem;
      struct key *persistent_keyring_register;
      struct work_struct work;
      struct ctl_table_set set;
      struct ctl_table_header *sysctls;
      struct ucounts *ucounts;
      int ucount_max[9];
  };
  

• In gcp: ✅

  struct user_namespace {
      struct uid_gid_map uid_map;
      struct uid_gid_map gid_map;
      struct uid_gid_map projid_map;
      atomic_t count;
      struct user_namespace *parent;
      int level;
      kuid_t owner;
      kgid_t group;
      struct ns_common ns;
      long unsigned int flags;
      struct list_head keyring_name_list;
      struct key *user_keyring_register;
      struct rw_semaphore keyring_sem;
      struct key *persistent_keyring_register;
      struct work_struct work;
      struct ctl_table_set set;
      struct ctl_table_header *sysctls;
      struct ucounts *ucounts;
      int ucount_max[9];
  };
  

• In lowlatency: ✅

  struct user_namespace {
      struct uid_gid_map uid_map;
      struct uid_gid_map gid_map;
      struct uid_gid_map projid_map;
      atomic_t count;
      struct user_namespace *parent;
      int level;
      kuid_t owner;
      kgid_t group;
      struct ns_common ns;
      long unsigned int flags;
      struct list_head keyring_name_list;
      struct key *user_keyring_register;
      struct rw_semaphore keyring_sem;
      struct key *persistent_keyring_register;
      struct work_struct work;
      struct ctl_table_set set;
      struct ctl_table_header *sysctls;
      struct ucounts *ucounts;
      int ucount_max[9];
  };
  

Differences

Regular

• No changes between 4.4 and 4.8 ✅
• Changed between 4.8 and 4.10 ⚠️

  • Field added. struct work_struct work
  • Field added. struct ctl_table_set set
  • Field added. struct ctl_table_header *sysctls
  • Field added. struct ucounts *ucounts
  • Field added. int ucount_max[7]
• Changed between 4.10 and 4.13 ⚠️

  • Field type changed. int ucount_max[7] ➡️ int ucount_max[9]
• No changes between 4.13 and 4.15 ✅
• No changes between 4.15 and 4.18 ✅
• No changes between 4.18 and 5.0 ✅
• Changed between 5.0 and 5.3 ⚠️

  • Field added. struct list_head keyring_name_list
  • Field added. struct key *user_keyring_register
  • Field added. struct rw_semaphore keyring_sem
  • Field removed. struct rw_semaphore persistent_keyring_register_sem
• No changes between 5.3 and 5.4 ✅
• Changed between 5.4 and 5.8 ⚠️

  • Field type changed. int ucount_max[9] ➡️ int ucount_max[10]
• Changed between 5.8 and 5.11 ⚠️

  • Field removed. atomic_t count
• Changed between 5.11 and 5.13 ⚠️

  • Field added. bool parent_could_setfcap
  • Field type changed. int ucount_max[10] ➡️ int ucount_max[12]
• Changed between 5.13 and 5.15 ⚠️

  • Field type changed. int ucount_max[12] ➡️ long int ucount_max[16]
• No changes between 5.15 and 5.19 ✅
• Changed between 5.19 and 6.2 ⚠️

  • Field added. long int rlimit_max[4]
  • Field type changed. long int ucount_max[16] ➡️ long int ucount_max[12]
• No changes between 6.2 and 6.5 ✅
• Changed between 6.5 and 6.8 ⚠️

  • Field added. struct binfmt_misc *binfmt_misc

Arch

• No changes between amd64 and arm64 ✅
• No changes between amd64 and armhf ✅
• No changes between amd64 and ppc64el ✅
• No changes between amd64 and riscv64 ✅

Flavor

• No changes between generic and aws ✅
• No changes between generic and azure ✅
• No changes between generic and gcp ✅
• No changes between generic and lowlatency ✅