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2021-07-09Merge release-20210628.0-32-gf8207a823 (automated)gVisor bot
2021-07-08clarify safemount behaviorKevin Krakauer
PiperOrigin-RevId: 383750666
2021-07-08Merge release-20210628.0-31-g052eb90dc (automated)gVisor bot
2021-07-08Replace kernel.ExitStatus with linux.WaitStatus.Jamie Liu
PiperOrigin-RevId: 383705129
2021-07-03Merge release-20210628.0-23-g3d32a05a3 (automated)gVisor bot
2021-07-02runsc: validate mount targetsKevin Krakauer
PiperOrigin-RevId: 382845950
2021-07-01Merge release-20210628.0-19-g16b751b6c (automated)gVisor bot
2021-07-01Mix checklocks and atomic analyzers.Adin Scannell
This change makes the checklocks analyzer considerable more powerful, adding: * The ability to traverse complex structures, e.g. to have multiple nested fields as part of the annotation. * The ability to resolve simple anonymous functions and closures, and perform lock analysis across these invocations. This does not apply to closures that are passed elsewhere, since it is not possible to know the context in which they might be invoked. * The ability to annotate return values in addition to receivers and other parameters, with the same complex structures noted above. * Ignoring locking semantics for "fresh" objects, i.e. objects that are allocated in the local frame (typically a new-style function). * Sanity checking of locking state across block transitions and returns, to ensure that no unexpected locks are held. Note that initially, most of these findings are excluded by a comprehensive nogo.yaml. The findings that are included are fundamental lock violations. The changes here should be relatively low risk, minor refactorings to either include necessary annotations to simplify the code structure (in general removing closures in favor of methods) so that the analyzer can be easily track the lock state. This change additional includes two changes to nogo itself: * Sanity checking of all types to ensure that the binary and ast-derived types have a consistent objectpath, to prevent the bug above from occurring silently (and causing much confusion). This also requires a trick in order to ensure that serialized facts are consumable downstream. This can be removed with https://go-review.googlesource.com/c/tools/+/331789 merged. * A minor refactoring to isolation the objdump settings in its own package. This was originally used to implement the sanity check above, but this information is now being passed another way. The minor refactor is preserved however, since it cleans up the code slightly and is minimal risk. PiperOrigin-RevId: 382613300
2021-07-01Merge release-20210628.0-16-g590b8d3e9 (automated)gVisor bot
2021-07-01[syserror] Update several syserror errors to linuxerr equivalents.Zach Koopmans
Update/remove most syserror errors to linuxerr equivalents. For list of removed errors, see //pkg/syserror/syserror.go. PiperOrigin-RevId: 382574582
2021-06-30Merge release-20210628.0-9-g90dbb4b0c (automated)gVisor bot
2021-06-29Add SIOCGIFFLAGS ioctl support to hostinet.Lucas Manning
PiperOrigin-RevId: 382194711
2021-06-28Merge release-20210622.0-29-g2d899a843 (automated)gVisor bot
2021-06-28Exit early with error message on checkpoint/pause w/ hostinet.Ian Lewis
PiperOrigin-RevId: 381964660
2021-06-25Merge release-20210614.0-34-ge5526f4f2 (automated)gVisor bot
2021-06-25Merge pull request #6222 from avagin:stopgVisor bot
PiperOrigin-RevId: 381561785
2021-06-22Merge release-20210614.0-14-ge1dc1c78e (automated)gVisor bot
2021-06-22[syserror] Add conversions to linuxerr with temporary Equals method.Zach Koopmans
Add Equals method to compare syserror and unix.Errno errors to linuxerr errors. This will facilitate removal of syserror definitions in a followup, and finding needed conversions from unix.Errno to linuxerr. PiperOrigin-RevId: 380909667
2021-06-22runsc: don't kill sandbox, let it stop properlyAndrei Vagin
The typical sequence of calls to start a container looks like this ct, err := container.New(conf, containerArgs) defer ct.Destroy() ct.Start(conf) ws, err := ct.Wait() For the root container, ct.Destroy() kills the sandbox process. This doesn't look like a right wait to stop it. For example, all ongoing rpc calls are aborted in this case. If everything is going alright, we can just wait and it will exit itself. Reported-by: syzbot+084fca334720887441e7@syzkaller.appspotmail.com Signed-off-by: Andrei Vagin <avagin@gmail.com>
2021-06-17Merge release-20210607.0-54-g3cf1644a3 (automated)gVisor bot
2021-06-17Move tcpip.Clock impl to TimekeeperTamir Duberstein
...and pass it explicitly. This reverts commit b63e61828d0652ad1769db342c17a3529d2d24ed. PiperOrigin-RevId: 380039167
2021-06-10Merge release-20210601.0-43-gd81fcbf85 (automated)gVisor bot
2021-06-10Set RLimits during `runsc exec`Fabricio Voznika
PiperOrigin-RevId: 378726430
2021-06-10Merge release-20210601.0-41-g8d426b738 (automated)gVisor bot
2021-06-10Parse mmap protection and flags in straceFabricio Voznika
PiperOrigin-RevId: 378712518
2021-06-10Merge release-20210601.0-39-g9ede1a605 (automated)gVisor bot
2021-06-10[op] Move SignalInfo to abi/linux package.Ayush Ranjan
Fixes #214 PiperOrigin-RevId: 378680466
2021-06-10Merge release-20210601.0-38-gd3ebc2db6 (automated)gVisor bot
2021-06-10remove the erroneous (5th) filter argument to sendmmsg.gVisor bot
PiperOrigin-RevId: 378677167
2021-06-09Merge release-20210601.0-29-g1ca981f50 (automated)gVisor bot
2021-06-09Remove --overlayfs-stale-read flagFabricio Voznika
It defaults to true and setting it to false can cause filesytem corruption. PiperOrigin-RevId: 378518663
2021-06-04Merge release-20210518.0-71-g86cf56eb7 (automated)gVisor bot
2021-06-03Add additional mmap seccomp ruleFabricio Voznika
HostFileMapper.RegenerateMappings calls mmap with MAP_SHARED|MAP_FIXED and these were not allowed. Closes #6116 PiperOrigin-RevId: 377428463
2021-06-03Merge release-20210518.0-69-g758713f4c (automated)gVisor bot
2021-06-03Initialize metrics at initTamir Duberstein
Avoids a race condition at kernel initialization. Updates #6057. PiperOrigin-RevId: 377357723
2021-06-01Merge release-20210518.0-63-g4f3746998 (automated)gVisor bot
2021-05-31Update comments on ambient caps to point to bugIan Lewis
PiperOrigin-RevId: 376747671
2021-05-27Merge release-20210518.0-52-g097efe81a (automated)gVisor bot
2021-05-26Use the stack RNG everywhereTamir Duberstein
...except in tests. Note this replaces some uses of a cryptographic RNG with a plain RNG. PiperOrigin-RevId: 376070666
2021-05-26Merge release-20210518.0-44-gb63e61828 (automated)gVisor bot
2021-05-25Initialize Kernel.Timekeeper before network NSTamir Duberstein
PiperOrigin-RevId: 375843579
2021-05-26Merge release-20210518.0-43-ga54cb9d8a (automated)gVisor bot
2021-05-25Use specific fmt verbs (avoid %v)Tamir Duberstein
Remove useless conversions. Avoid unhandled errors. PiperOrigin-RevId: 375834275
2021-05-21Merge release-20210510.0-64-gec542dbed (automated)gVisor bot
2021-05-20Suppress log message when there is no errorFabricio Voznika
PiperOrigin-RevId: 374981100
2021-05-14Merge release-20210510.0-38-g894187b2c (automated)gVisor bot
2021-05-14Resolve remaining O_PATH TODOs.Dean Deng
O_PATH is now implemented in vfs2. Fixes #2782. PiperOrigin-RevId: 373861410
2021-05-13Merge release-20210510.0-30-g3894c9fcb (automated)gVisor bot
2021-05-13Merge pull request #5983 from btw616:fix/issue-5982gVisor bot
PiperOrigin-RevId: 373661350
2021-05-13Merge release-20210510.0-28-gf3478b751 (automated)gVisor bot
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