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vmm: allow restart_syscall() in PTY process

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This can be triggered by debugging cloud-hypervisor using gdb, or
probably if the process is suspended and restarted.

Fixes: https://github.com/cloud-hypervisor/cloud-hypervisor/issues/5489
Signed-off-by: Alyssa Ross <hi@alyssa.is>
(cherry picked from commit 0809e7f675)
This commit is contained in:
Alyssa Ross 2023-06-19 12:37:24 +00:00 committed by Bo Chen
parent a633b009ed
commit 574d86dd4d
1 changed files with 1 additions and 0 deletions
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vmm/src/seccomp_filters.rs
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@ -478,6 +478,7 @@ fn pty_foreground_thread_rules() -> Result<Vec<(i64, Vec<SeccompRule>)>, Backend
#[cfg(target_arch = "aarch64")]
(libc::SYS_ppoll, vec![]),
(libc::SYS_read, vec![]),
(libc::SYS_restart_syscall, vec![]),
(libc::SYS_rt_sigaction, vec![]),
(libc::SYS_rt_sigreturn, vec![]),
(libc::SYS_setsid, vec![]),