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Move mlock back into the default ungated seccomp profile

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Do not gate with CAP_IPC_LOCK as unprivileged use is now
allowed in Linux. This returns it to how it was in 1.11.

Fixes #23587

Signed-off-by: Justin Cormack <justin.cormack@docker.com>
This commit is contained in:
Justin Cormack 2016-06-15 16:25:27 -04:00
parent 2a96ac66ea
commit bdf01cf5de
2 changed files with 30 additions and 18 deletions
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15
profiles/seccomp/default.json
View file

@ -686,6 +686,21 @@
"action": "SCMP_ACT_ALLOW",
"args": []
},
{
"name": "mlock",
"action": "SCMP_ACT_ALLOW",
"args": []
},
{
"name": "mlock2",
"action": "SCMP_ACT_ALLOW",
"args": []
},
{
"name": "mlockall",
"action": "SCMP_ACT_ALLOW",
"args": []
},
{
"name": "mmap",
"action": "SCMP_ACT_ALLOW",

33
profiles/seccomp/seccomp_default.go
View file

@ -721,6 +721,21 @@ func DefaultProfile(rs *specs.Spec) *types.Seccomp {
Action: types.ActAllow,
Args: []*types.Arg{},
},
{
Name: "mlock",
Action: types.ActAllow,
Args: []*types.Arg{},
},
{
Name: "mlock2",
Action: types.ActAllow,
Args: []*types.Arg{},
},
{
Name: "mlockall",
Action: types.ActAllow,
Args: []*types.Arg{},
},
{
Name: "mmap",
Action: types.ActAllow,
@ -1663,24 +1678,6 @@ func DefaultProfile(rs *specs.Spec) *types.Seccomp {
Args: []*types.Arg{},
},
}...)
case "CAP_IPC_LOCK":
syscalls = append(syscalls, []*types.Syscall{
{
Name: "mlock",
Action: types.ActAllow,
Args: []*types.Arg{},
},
{
Name: "mlock2",
Action: types.ActAllow,
Args: []*types.Arg{},
},
{
Name: "mlockall",
Action: types.ActAllow,
Args: []*types.Arg{},
},
}...)
case "CAP_SYS_ADMIN":
capSysAdmin = true
syscalls = append(syscalls, []*types.Syscall{