{ "comment": "Deterministically block io_uring for run-docker.sh leg 1 (rustfs/backlog#1067): io_uring_setup/enter/register return EPERM, so the probe fails with an expected-restriction errno and the suite must degrade to a graceful skip — reproducing the #4313 restricted environment without depending on the host Docker's default seccomp.", "defaultAction": "SCMP_ACT_ALLOW", "syscalls": [ { "names": ["io_uring_setup", "io_uring_enter", "io_uring_register"], "action": "SCMP_ACT_ERRNO", "errnoRet": 1 } ] }