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vmm: Allow unlink syscall for vCPU threads

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Without the unlink(2) syscall being allowed, Cloud-Hypervisor crashes
when we remove a virtio-vsock device that has been previously added.

Signed-off-by: Sebastien Boeuf <sebastien.boeuf@intel.com>
This commit is contained in:
Sebastien Boeuf 2020-10-06 13:12:40 +02:00 committed by Rob Bradford
parent cc7a5aca6c
commit c02a02edfc
1 changed files with 4 additions and 0 deletions
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4
vmm/src/seccomp_filters.rs
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@ -460,6 +460,10 @@ fn vcpu_thread_rules() -> Result<Vec<SyscallRuleSet>, Error> {
allow_syscall(libc::SYS_statx),
allow_syscall(libc::SYS_tgkill),
allow_syscall(libc::SYS_tkill),
#[cfg(target_arch = "x86_64")]
allow_syscall(libc::SYS_unlink),
#[cfg(target_arch = "aarch64")]
allow_syscall(libc::SYS_unlinkat),
allow_syscall(libc::SYS_write),
])
}