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vmm: Add missing syscalls to signal thread

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When the VMM is terminated by receiving a SIGTERM signal, the signal
handler thread must be able to invoke ioctl(TCGETS) and ioctl(TCSETS)
without error.

Signed-off-by: Sebastien Boeuf <sebastien.boeuf@intel.com>
This commit is contained in:
Sebastien Boeuf 2020-09-18 09:03:09 +02:00 committed by Rob Bradford
parent 41a9b1adef
commit 555c5c5d9c
1 changed files with 5 additions and 1 deletions
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6
vmm/src/seccomp_filters.rs
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@ -240,7 +240,11 @@ fn create_api_ioctl_seccomp_rule() -> Result<Vec<SeccompRule>, Error> {
}
fn create_signal_handler_ioctl_seccomp_rule() -> Result<Vec<SeccompRule>, Error> {
Ok(or![and![Cond::new(1, ArgLen::DWORD, Eq, TIOCGWINSZ)?],])
Ok(or![
and![Cond::new(1, ArgLen::DWORD, Eq, TCGETS)?],
and![Cond::new(1, ArgLen::DWORD, Eq, TCSETS)?],
and![Cond::new(1, ArgLen::DWORD, Eq, TIOCGWINSZ)?],
])
}
fn signal_handler_thread_rules() -> Result<Vec<SyscallRuleSet>, Error> {