Wiktor Garbacz
ece90e0bda
Fix resource leak
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Resulted in a lot of zombie processes.
PiperOrigin-RevId: 283545337
Change-Id: Ia6b2fd24fc6fc0eed4a7aa415e264618739e8234
2019-12-03 07:59:18 -08:00
Wiktor Garbacz
035965060a
Create initial namespaces on demand
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PiperOrigin-RevId: 283321826
Change-Id: I746ce726b834273fd8a8e0de36b311c46e42d57a
2019-12-02 05:31:42 -08:00
Wiktor Garbacz
8a7d0d1cb3
Use a nested userns&mntns to pre-pivot_root
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This addresses a latency issue - chroot_fs_refs called inside pivot_root
in the kernel can take several milliseconds on machines with many threads
running.
This might not always reduce latency for custom forkservers, as additional
fork can be more costly than pivot_root.
PiperOrigin-RevId: 281306284
Change-Id: If503ac76a70e5438e94caf708d79cb0219c66def
2019-11-19 09:02:28 -08:00
Christian Blichmann
276b7efc92
Internal change.
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PiperOrigin-RevId: 265057217
Change-Id: Id00c867b373dbe8c9112c23ef4b0300ed3ca9e5b
2019-08-23 08:08:51 -07:00
Wiktor Garbacz
691104c851
Extract RunInitProcess and SendPid/RecvPid
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Also properly check status of send and use one-byte messages
to avoid issues with partial send, receive.
PiperOrigin-RevId: 258362495
Change-Id: I889b4699c100c80d15b129bf3a254f5442405bc2
2019-07-16 07:23:17 -07:00
Wiktor Garbacz
2349325e2b
Move root chdir to namespace setup
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PiperOrigin-RevId: 258361265
Change-Id: Ifa065559e36606afa7111ef6d8e2d5d621b57426
2019-07-16 07:13:17 -07:00
Wiktor Garbacz
8a4e665cba
Remove redundant process setup
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PR_SET_PDEATHSIG is already issued for init process in SanitizeCurrentProcess
Same for setsid
PiperOrigin-RevId: 258142844
Change-Id: Iad9e94bd402d576c1b24caab0b03efc50e2df07e
2019-07-15 05:36:27 -07:00
Kevin Hamacher
1b50485be6
Move forkserver into a dedicated binary
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PiperOrigin-RevId: 242637894
Change-Id: I16f19d077e2b5b9d0d4ef58344d5caaef95af7c6
2019-04-09 14:37:41 +02:00
Kevin Hamacher
e44231e28a
Wrap waitpid with TEMP_FAILURE_RETRY and use __WALL to make sure we reap all children
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PiperOrigin-RevId: 242111281
Change-Id: I322623303487b0292c2aea53d6eae5d9f53d79b6
2019-04-05 05:50:12 -07:00
Kevin Hamacher
77ad64ac30
Use high FD numbers in the forkserver to avoid collision with FDs mapped by the user
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PiperOrigin-RevId: 242106285
Change-Id: I0f4bd130f8e66e6b47ad1d7311e0fff519aa9e90
2019-04-05 04:51:41 -07:00
Kevin Hamacher
1dd0428713
Add missing chdir() in the init process
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PiperOrigin-RevId: 239425921
Change-Id: Ia1b02ae0a2f319faa601d6098a9f94a3043656a8
2019-03-20 10:36:11 -07:00
Kevin Hamacher
5d216fb191
Only spawn init processes when using PID NS
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PiperOrigin-RevId: 239169620
Change-Id: I9f26cfab90189a1baa5b87a700ce892cf0c95a89
2019-03-19 05:14:29 -07:00
Christian Blichmann
177b969e8c
Sandboxed API OSS release.
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PiperOrigin-RevId: 238996664
Change-Id: I9646527e2be68ee0b6b371572b7aafe967102e57
Signed-off-by: Christian Blichmann <cblichmann@google.com>
2019-03-18 19:00:48 +01:00
