fix(config): fix syscall check on arm64

This commit is contained in:
criyle 2025-08-13 22:22:53 +00:00
parent 2d0d63be76
commit 5f66dc11f5
7 changed files with 38 additions and 24 deletions

View File

@ -32,7 +32,6 @@ var (
"fstat",
"lseek",
"dup",
"dup2",
"dup3",
"ioctl",
"fcntl",
@ -65,13 +64,10 @@ var (
"exit_group",
// others
"arch_prctl",
"gettimeofday",
"getrlimit",
"getrusage",
"times",
"time",
"clock_gettime",
"restart_syscall",
@ -84,21 +80,15 @@ var (
"execveat",
// file open
"open",
"openat",
// file delete
"unlink",
"unlinkat",
// soft link
"readlink",
"readlinkat",
// permission check
"lstat",
"stat",
"access",
"faccessat",
}

View File

@ -8,7 +8,19 @@ var (
"/usr/lib/x86_64-linux-gnu/",
}
archSyscallAllows = []string{}
archSyscallAllows = []string{
"dup2",
"time",
"arch_prctl",
}
archSyscallTraces = []string{}
archSyscallTraces = []string{
"open",
"unlink",
"readlink",
"lstat",
"stat",
"access",
"newfstatat",
}
)

View File

@ -17,10 +17,19 @@ var (
"uname",
"set_tls",
"arm_fadvise64_64",
"dup2",
}
archSyscallTraces = []string{
"lstat64", // 32-bit
"stat64", // 32-bit
"open",
"unlink",
"readlink",
"lstat",
"stat",
"access",
"fstatat",
"fstatat64",
}
)

View File

@ -8,9 +8,9 @@ var (
"/usr/lib/aarch64-linux-gnu/",
}
archSyscallAllows = []string{
"newfstatat",
}
archSyscallAllows = []string{}
archSyscallTraces = []string{}
archSyscallTraces = []string{
"fstatat",
}
)

4
go.mod
View File

@ -4,6 +4,6 @@ go 1.24
require (
github.com/elastic/go-seccomp-bpf v1.6.0
golang.org/x/net v0.41.0
golang.org/x/sys v0.33.0
golang.org/x/net v0.43.0
golang.org/x/sys v0.35.0
)

8
go.sum
View File

@ -6,9 +6,9 @@ github.com/pmezard/go-difflib v1.0.0 h1:4DBwDE0NGyQoBHbLQYPwSUPoCMWR5BEzIk/f1lZb
github.com/pmezard/go-difflib v1.0.0/go.mod h1:iKH77koFhYxTK1pcRnkKkqfTogsbg7gZNVY4sRDYZ/4=
github.com/stretchr/testify v1.10.0 h1:Xv5erBjTwe/5IxqUQTdXv5kgmIvbHo3QQyRwhJsOfJA=
github.com/stretchr/testify v1.10.0/go.mod h1:r2ic/lqez/lEtzL7wO/rwa5dbSLXVDPFyf8C91i36aY=
golang.org/x/net v0.41.0 h1:vBTly1HeNPEn3wtREYfy4GZ/NECgw2Cnl+nK6Nz3uvw=
golang.org/x/net v0.41.0/go.mod h1:B/K4NNqkfmg07DQYrbwvSluqCJOOXwUjeb/5lOisjbA=
golang.org/x/sys v0.33.0 h1:q3i8TbbEz+JRD9ywIRlyRAQbM0qF7hu24q3teo2hbuw=
golang.org/x/sys v0.33.0/go.mod h1:BJP2sWEmIv4KK5OTEluFJCKSidICx8ciO85XgH3Ak8k=
golang.org/x/net v0.43.0 h1:lat02VYK2j4aLzMzecihNvTlJNQUq316m2Mr9rnM6YE=
golang.org/x/net v0.43.0/go.mod h1:vhO1fvI4dGsIjh73sWfUVjj3N7CA9WkKJNQm2svM6Jg=
golang.org/x/sys v0.35.0 h1:vz1N37gP5bs89s7He8XuIYXpyY0+QlsKmzipCbUtyxI=
golang.org/x/sys v0.35.0/go.mod h1:BJP2sWEmIv4KK5OTEluFJCKSidICx8ciO85XgH3Ak8k=
gopkg.in/yaml.v3 v3.0.1 h1:fxVm/GzAzEWqLHuvctI91KS9hhNmmWOoWu0XTYJS7CA=
gopkg.in/yaml.v3 v3.0.1/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=

View File

@ -66,11 +66,12 @@ func (h *tracerHandler) Handle(ctx *ptracer.Context) ptracer.TraceAction {
return ptracer.TraceKill
}
// not checking dirfd for now (maybe unsafe)
action := ptracer.TraceKill
switch syscallName {
case "open":
action = h.checkOpen(ctx, ctx.Arg0(), ctx.Arg1())
case "openat":
case "openat", "openat2":
action = h.checkOpen(ctx, ctx.Arg1(), ctx.Arg2())
case "readlink":
@ -85,13 +86,15 @@ func (h *tracerHandler) Handle(ctx *ptracer.Context) ptracer.TraceAction {
case "access":
action = h.checkStat(ctx, ctx.Arg0())
case "faccessat", "newfstatat":
case "faccessat", "faccessat2":
action = h.checkStat(ctx, ctx.Arg1())
case "stat", "stat64":
action = h.checkStat(ctx, ctx.Arg0())
case "lstat", "lstat64":
action = h.checkStat(ctx, ctx.Arg0())
case "statx", "fstatat", "fstatat64", "newfstatat":
action = h.checkStat(ctx, ctx.Arg1())
case "execve":
action = h.checkRead(ctx, ctx.Arg0())