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main: Give a friendly message when we get a seccomp violation

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If we receive SIGSYS and identify it as a seccomp violation then give
friendly instructions on how to debug further. We are unable to decode
the siginfo_t struct ourselves due to https://github.com/rust-lang/libc/issues/716

Fixes: #2139

Signed-off-by: Rob Bradford <robert.bradford@intel.com>
This commit is contained in:
Rob Bradford
2021-01-11 18:32:35 +00:00
parent d83c9a74f4
commit 39d080e0c1
3 changed files with 34 additions and 1 deletions
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3
Cargo.toml
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@@ -23,11 +23,12 @@ log = { version = "0.4.13", features = ["std"] }
option_parser = { path = "option_parser" }
seccomp = { git = "https://github.com/firecracker-microvm/firecracker", tag = "v0.22.0" }
serde_json = "1.0.61"
signal-hook = "0.3.3"
thiserror = "1.0"
vmm = { path = "vmm" }
vmm-sys-util = "0.7.0"
wait-timeout = "0.2.0"
vm-memory = "0.4.0"
wait-timeout = "0.2.0"
[build-dependencies]
clap = { version = "2.33.3", features = ["wrap_help"] }