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cloud-hypervisor/vmm
Wei Liu 3837c87f1f vmm: add seccomp filter for serial-manager thread
The serial-manager thread was the only VMM-managed thread without a
seccomp filter. Add a Thread::SerialManager variant and whitelist the
31 syscalls needed for its epoll-based I/O loop (read, write, socket
ops, signal handling, memory allocation, glibc internals).

The filter is computed in start_thread() and applied before the epoll
loop, matching the pattern used by other VMM threads.

Signed-off-by: Wei Liu <liuwe@microsoft.com>
Assisted-by: Pi-agent:Claude-Opus-4.7
2026-05-19 16:57:53 +00:00
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