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2021-08-30Merge release-20210823.0-31-ga247e227b (automated)gVisor bot
2021-08-30Narrow COW-break on thread stacks.Jamie Liu
PiperOrigin-RevId: 393841270
2021-08-30Merge release-20210823.0-30-g574c6542a (automated)gVisor bot
2021-08-30Use specialFileFD handles in specialFileFD.Stat().Jamie Liu
PiperOrigin-RevId: 393831108
2021-08-30Merge release-20210823.0-29-g9625071e6 (automated)gVisor bot
2021-08-30Avoid pseudo endpoint for TSVal generationZeling Feng
PiperOrigin-RevId: 393808461
2021-08-27Merge release-20210816.0-52-gf7281c6cb (automated)gVisor bot
2021-08-27Fix lock order violations: mm.mappingMu > Task.mu.Nicolas Lacasse
Document this ordering in mm/mm.go. PiperOrigin-RevId: 393413203
2021-08-27Merge release-20210816.0-51-g0db19ea91 (automated)gVisor bot
2021-08-27Merge pull request #6415 from ZachEddy:containerd-runtime-options-v1.5gVisor bot
PiperOrigin-RevId: 393411409
2021-08-27Merge release-20210816.0-49-gfbf020d6a (automated)gVisor bot
2021-08-27Add LinkEndpoint.WriteRawPacket with stubsGhanan Gowripalan
...returning unsupported errors. PiperOrigin-RevId: 393388991
2021-08-27Merge release-20210816.0-48-g107670237 (automated)gVisor bot
2021-08-26Add Stack.Seed() backZeling Feng
... because it is still used by fuchsia. PiperOrigin-RevId: 393246904
2021-08-26Merge release-20210816.0-45-gec46befd1 (automated)gVisor bot
2021-08-26Centralize TCP timestamp logicTamir Duberstein
Remove freestanding functions that convert time values to raw integers; centralize time->uint32 logic in methods on tcp.endpoint. Importantly, the knowledge that TSVal is in milliseconds now lives in adjacent functions rather than being spread around various files. Incidental cleanup: - Remove unused constant - Remove redundant conversion - Remove redundant parentheses - Add missing error check PiperOrigin-RevId: 393184768
2021-08-26Merge release-20210816.0-44-g9f3fa7635 (automated)gVisor bot
2021-08-26Avoid unhandled error warningsTamir Duberstein
PiperOrigin-RevId: 393104589
2021-08-26Merge release-20210816.0-43-gc408789ed (automated)gVisor bot
2021-08-26Remove unused argumentTamir Duberstein
PiperOrigin-RevId: 393100095
2021-08-26Merge release-20210816.0-42-g19056957e (automated)gVisor bot
2021-08-26Pass must-not-be-nil by valueTamir Duberstein
PiperOrigin-RevId: 393095246
2021-08-25Improve TestTimestampSynCookiesZeling Feng
.. by advancing the clock so that NowMonotonic does not return 0. PiperOrigin-RevId: 393005373
2021-08-25Merge release-20210816.0-40-gaa2d07442 (automated)gVisor bot
2021-08-25Avoid the appearance of allocationTamir Duberstein
PiperOrigin-RevId: 393004533
2021-08-25Remove quotedev deviceChong Cai
PiperOrigin-RevId: 392982220
2021-08-24Merge release-20210816.0-37-g18beb6770 (automated)gVisor bot
2021-08-24Merge pull request #6438 from gystemd:tcsetpgrp_SIGTTOUgVisor bot
PiperOrigin-RevId: 392774712
2021-08-24Merge release-20210816.0-31-g0c2b2dc75 (automated)gVisor bot
2021-08-24Measure RTT during handshake since Linux does the sameZeling Feng
Some tcp unit tests are affected by this change: - Some retransmission tests assumed RTO=1s when connection is established. This is no longer true because minRTO was set to 3s in tests so now RTO becomes 3s after the first updateRTO call. Set minRTO=1s for these tests. - Some RACK enabled tests are affected because now that RTT is initialized, and the estimated RTT is quite small, spurious TLP might be sent out and causing flakes, introduce an artificial delay for these tests so that the estimated RTT is larger. PiperOrigin-RevId: 392768725
2021-08-24Merge release-20210816.0-29-g2c3d7cb07 (automated)gVisor bot
2021-08-23Merge pull request #6491 from avagin:kvm-mem-slot-overlapgVisor bot
PiperOrigin-RevId: 392554743
2021-08-23Merge release-20210816.0-27-gbff58ecaa (automated)gVisor bot
2021-08-23Internal change.Chong Cai
PiperOrigin-RevId: 392523879
2021-08-21platform/kvm: set physical slots without overlappingAndrei Vagin
Right now, the first slot starts with an address of a memory region and its size is faultBlockSize, but the second slot starts with (physicalStart + faultBlockSize) & faultBlockMask. It means they will overlap if a start address of a memory region are not aligned to faultBlockSize. The kernel doesn't allow to add overlapped regions, but we ignore the EEXIST error. Signed-off-by: Andrei Vagin <avagin@google.com>
2021-08-21Merge release-20210806.0-54-g0a15a216d (automated)gVisor bot
2021-08-20Allow gofer.specialFileFDs to be mmapped with a host FD.Jamie Liu
PiperOrigin-RevId: 392102898
2021-08-20[op] Prevent file leak in MultiGetAttr's error path.Ayush Ranjan
The old implementation was mostly correct but error prone - making way for the issue in question here. In its error path, it would leak the intermediate file being walked. Each return/break needed explicit cleanup. This change implements a more clean way to cleaning up intermediate directories. If the code were to evolve to be more complex, it would still work. PiperOrigin-RevId: 392102826
2021-08-21Merge release-20210806.0-52-g0e49e0821 (automated)gVisor bot
2021-08-20Fix lock ordering violation introduced in cl/347704347.Nicolas Lacasse
We cannot hold mm.aioManager.mu while calling MUnmap, because MUnmap attempts to aquire mm.mappingMu. This violates the lock order as documented in mm/mm.go. PiperOrigin-RevId: 392102472
2021-08-20Remove experimental warning in the VFS2 README.Jamie Liu
PiperOrigin-RevId: 392078690
2021-08-20Merge release-20210806.0-48-g3ba8df92a (automated)gVisor bot
2021-08-19Cache verity dentriesChong Cai
Add an LRU cache to cache verity dentries when ref count drop to 0. This way we don't need to hash and verify the previous opened files or directories each time. PiperOrigin-RevId: 391880157
2021-08-20Merge release-20210806.0-47-gd43a3ca81 (automated)gVisor bot
2021-08-19Merge Read calls in verity merkle treeChong Cai
Read all data into memory in one Read call and verify them block by block instead of read each block during verification. This is for performance purpose to avoid invoking multiple syscalls. PiperOrigin-RevId: 391877937
2021-08-20Merge release-20210806.0-46-ga77eaf2a9 (automated)gVisor bot
2021-08-19Use MM-mapped I/O instead of buffered copies in gofer.specialFileFD.Jamie Liu
The rationale given for using buffered copies is still valid, but it's unclear whether holding MM locks or allocating buffers is better in practice, and the former is at least consistent with gofer.regularFileFD (and VFS1), making performance easier to reason about. PiperOrigin-RevId: 391877913
2021-08-19Merge release-20210806.0-45-g3b4bb9475 (automated)gVisor bot
2021-08-19Add loopback interface as an ethernet-based deviceGhanan Gowripalan
...to match Linux behaviour. We can see evidence of Linux representing loopback as an ethernet-based device below: ``` # EUI-48 based MAC addresses. $ ip link show lo 1: lo: <LOOPBACK,UP,LOWER_UP> mtu 65536 qdisc noqueue state UNKNOWN mode DEFAULT group default qlen 1000 link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00 # tcpdump showing ethernet frames when sniffing loopback and logging the # link-type as EN10MB (Ethernet). $ sudo tcpdump -i lo -e -c 2 -n tcpdump: verbose output suppressed, use -v[v]... for full protocol decode listening on lo, link-type EN10MB (Ethernet), snapshot length 262144 bytes 03:09:05.002034 00:00:00:00:00:00 > 00:00:00:00:00:00, ethertype IPv4 (0x0800), length 66: 127.0.0.1.9557 > 127.0.0.1.36828: Flags [.], ack 3562800815, win 15342, options [nop,nop,TS val 843174495 ecr 843159493], length 0 03:09:05.002094 00:00:00:00:00:00 > 00:00:00:00:00:00, ethertype IPv4 (0x0800), length 66: 127.0.0.1.36828 > 127.0.0.1.9557: Flags [.], ack 1, win 6160, options [nop,nop,TS val 843174496 ecr 843159493], length 0 2 packets captured 116 packets received by filter 0 packets dropped by kernel ``` Wireshark shows a similar result as the tcpdump example above. Linux's loopback setup: https://github.com/torvalds/linux/blob/5bfc75d92efd494db37f5c4c173d3639d4772966/drivers/net/loopback.c#L162 PiperOrigin-RevId: 391836719
2021-08-19Merge release-20210806.0-44-g50ed6b2e0 (automated)gVisor bot
generated by cgit v1.2.3 (git 2.39.1) at 2024-11-27 19:30:33 +0000