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Merge pull request #18971 from justincormack/ptrace 

Block additional ptrace related syscalls in default seccomp profile
This commit is contained in:
Arnaud Porterie 2015-12-29 11:56:51 -08:00
parent 3858027e27 a0a8ca0ae0
commit e01cab1cc5
1 changed files with 21 additions and 0 deletions
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21
daemon/execdriver/native/seccomp_default.go
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@ -117,6 +117,13 @@ var defaultSeccompProfile = &configs.Seccomp{
Action: configs.Errno,
Args: []*configs.Arg{},
},
{
// Restrict process inspection capabilities
// Already blocked by dropping CAP_PTRACE
Name: "kcmp",
Action: configs.Errno,
Args: []*configs.Arg{},
},
{
// Sister syscall of kexec_load that does the same thing,
// slightly different arguments
@ -215,6 +222,20 @@ var defaultSeccompProfile = &configs.Seccomp{
Action: configs.Errno,
Args: []*configs.Arg{},
},
{
// Restrict process inspection capabilities
// Already blocked by dropping CAP_PTRACE
Name: "process_vm_readv",
Action: configs.Errno,
Args: []*configs.Arg{},
},
{
// Restrict process modification capabilities
// Already blocked by dropping CAP_PTRACE
Name: "process_vm_writev",
Action: configs.Errno,
Args: []*configs.Arg{},
},
{
// Already blocked by dropping CAP_PTRACE
Name: "ptrace",