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container/initdev: mount tmpfs on shm for ro dev
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Programs expect /dev/shm to be a writable tmpfs.

Signed-off-by: Ophestra <cat@gensokyo.uk>
This commit is contained in:
Ophestra
2025-08-26 03:15:32 +09:00
parent 07194c74cb
commit 9bc8532d56
12 changed files with 30 additions and 9 deletions
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4
internal/app/container_linux.go
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@@ -233,7 +233,9 @@ func newContainer(s *hst.ContainerConfig, os sys.State, prefix string, uid, gid
// no more ContainerConfig paths beyond this point
if !s.Device {
params.Remount(container.AbsFHSDev, syscall.MS_RDONLY)
params.
Remount(container.AbsFHSDev, syscall.MS_RDONLY).
Tmpfs(container.AbsFHSDev.Append("shm"), 0, 01777)
}
return params, maps.Clone(s.Env), nil