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2019-12-23Merge release-20191213.0-44-g5bc4ae9 (automated)gVisor bot
2019-12-23Clear any host-specific NDP state when becoming a routerGhanan Gowripalan
This change supports clearing all host-only NDP state when NICs become routers. All discovered routers, discovered on-link prefixes and auto-generated addresses will be invalidated when becoming a router. This is because normally, routers do not process Router Advertisements to discover routers or on-link prefixes, and do not do SLAAC. Tests: Unittest to make sure that all discovered routers, discovered prefixes and auto-generated addresses get invalidated when transitioning from a host to a router. PiperOrigin-RevId: 286902309
2019-12-21Merge release-20191213.0-43-gd1528df (automated)gVisor bot
2019-12-20Merge pull request #1026 from lubinszARM:pr_savablegVisor bot
PiperOrigin-RevId: 286667216
2019-12-21Merge release-20191213.0-41-g818eb22 (automated)gVisor bot
2019-12-20Add vfs.ResolvingPath.HandleJump().Jamie Liu
PiperOrigin-RevId: 286666533
2019-12-21Merge release-20191213.0-40-g21a14e9 (automated)gVisor bot
2019-12-20Add vfs.Dentry.Children().Jamie Liu
PiperOrigin-RevId: 286660774
2019-12-20Merge release-20191213.0-39-g08c39e2 (automated)gVisor bot
2019-12-20Change TODO to track correct bug.Kevin Krakauer
PiperOrigin-RevId: 286639163
2019-12-20Merge release-20191213.0-38-g3eb489e (automated)gVisor bot
2019-12-20Move VFS2 file description status flags to vfs.FileDescription.Jamie Liu
PiperOrigin-RevId: 286616668
2019-12-20Merge release-20191213.0-37-g822d847 (automated)gVisor bot
2019-12-20Check for valid nfds before copying in an fd set.Dean Deng
Otherwise, CopyInFDSet will try to allocate a negative-length slice. PiperOrigin-RevId: 286584907
2019-12-20Merge release-20191213.0-36-g29955a4 (automated)gVisor bot
2019-12-19futex: wake one waiter if futex_wake is called with a non-positive valueAndrei Vagin
This change is needed to be compatible with the Linux kernel. There is no glibc wrapper for the futex system call, so it is easy to make a mistake and call syscall(__NR_futex, FUTEX_WAKE, addr) without the fourth argument. This works on Linux, because it wakes one waiter even if val is nonpositive. PiperOrigin-RevId: 286494396
2019-12-20Merge release-20191213.0-35-g7419e0e (automated)gVisor bot
2019-12-19Parameterize mmap tests.Dean Deng
This test suite has existed for quite a while and has become kind of messy. Various tests can be joined together by parameterizing. PiperOrigin-RevId: 286482240
2019-12-19Merge release-20191213.0-34-g80c8aec (automated)gVisor bot
2019-12-19Install python2 in the Dockerfile.Brad Burlage
Without it, we get a build failure (inside the container) when trying to build //runsc. PiperOrigin-RevId: 286474518
2019-12-19Merge release-20191213.0-33-gbb00438 (automated)gVisor bot
2019-12-19Make masterInodeOperations.Truncate take a pointer receiver.Nicolas Lacasse
Otherwise a copy happens, which triggers a data race when reading masterInodeOperations.SimpleFileOperations.uattr, which must be accessed with a lock held. PiperOrigin-RevId: 286464473
2019-12-19Merge release-20191213.0-32-g57ce26c (automated)gVisor bot
2019-12-18net/tcp: allow to call listen without bindAndrei Vagin
When listen(2) is called on an unbound socket, the socket is automatically bound to a random free port with the local address set to INADDR_ANY. PiperOrigin-RevId: 286305906
2019-12-19Merge release-20191213.0-31-g98e8246 (automated)gVisor bot
2019-12-18Merge pull request #890 from lubinszARM:pr_phyapgVisor bot
PiperOrigin-RevId: 286299056
2019-12-19Merge release-20191213.0-29-g0d475cd (automated)gVisor bot
2019-12-18Increase waitForProcessList timeoutFabricio Voznika
It can take more than 10 seconds when running under --race. PiperOrigin-RevId: 286296060
2019-12-19Merge release-20191213.0-28-g7444012 (automated)gVisor bot
2019-12-18Add VFS2 plumbing for extended attributes.Jamie Liu
PiperOrigin-RevId: 286281274
2019-12-18Merge release-20191213.0-27-g8e6e87f (automated)gVisor bot
2019-12-18Allow 'out-of-line' routing table updates for Router and Prefix discovery eventsGhanan Gowripalan
This change removes the requirement that a new routing table be provided when a router or prefix discovery event happens so that an updated routing table may be provided to the stack at a later time from the event. This change is to address the use case where the netstack integrator may need to obtain a lock before providing updated routes in response to the events above. As an example, say we have an integrator that performs the below two operations operations as described: A. Normal route update: 1. Obtain integrator lock 2. Update routes in the integrator 3. Call Stack.SetRouteTable with the updated routes 3.1. Obtain Stack lock 3.2. Update routes in Stack 3.3. Release Stack lock 4. Release integrator lock B. NDP event triggered route update: 1. Obtain Stack lock 2. Call event handler 2.1. Obtain integrator lock 2.2. Update routes in the integrator 2.3. Release integrator lock 2.4. Return updated routes to update Stack 3. Update routes in Stack 4. Release Stack lock A deadlock may occur if a Normal route update was attemped at the same time an NDP event triggered route update was attempted. With threads T1 and T2: 1) T1 -> A.1, A.2 2) T2 -> B.1 3) T1 -> A.3 (hangs at A.3.1 since Stack lock is taken in step 2) 4) T2 -> B.2 (hangs at B.2.1 since integrator lock is taken in step 1) Test: Existing tests were modified to not provide or expect routing table changes in response to Router and Prefix discovery events. PiperOrigin-RevId: 286274712
2019-12-18Merge release-20191210.0-54-gac3b3bb (automated)gVisor bot
2019-12-18Merge pull request #1322 from lubinszARM:pr_vfp_ring0gVisor bot
PiperOrigin-RevId: 286259750
2019-12-18Merge release-20191210.0-52-g628948b (automated)gVisor bot
2019-12-18Cleanup NDP TestsGhanan Gowripalan
This change makes sure that test variables are captured before running tests in parallel, and removes unneeded buffered channel allocations. This change also removes unnecessary timeouts. PiperOrigin-RevId: 286255066
2019-12-18Merge release-20191210.0-51-g18d6e59 (automated)gVisor bot
2019-12-18Switch to netinet/tcp.h and poll.h to for better platform portability.Jay Zhuang
PiperOrigin-RevId: 286249699
2019-12-18Merge release-20191210.0-50-g334a513 (automated)gVisor bot
2019-12-18Add Mems_allowed to /proc/PID/statusMichael Pratt
PiperOrigin-RevId: 286248378
2019-12-18Merge release-20191210.0-49-g65f53c5 (automated)gVisor bot
2019-12-18Put GetSocketPairs() in unnamed namespaceJay Zhuang
This avoids conflicting definitions of GetSocketPairs() in outer namespace when multiple such cc files are complied for one binary. PiperOrigin-RevId: 286243045
2019-12-18Merge release-20191210.0-48-g803437c (automated)gVisor bot
2019-12-18Upgrade to Python 3Michael Pratt
Python 3 tools must be listed in exec_tools for genrules. PiperOrigin-RevId: 286241702
2019-12-18supporting lazy-fpsimd in guest on Arm64Bin Lu
Several jobs were finished in this patch: 1, provide functions to get/set fpcr/fpsr/vregs 2, support lazy-fpsimd-context-switch in el1 Signed-off-by: Bin Lu <bin.lu@arm.com>
2019-12-18Merge release-20191210.0-47-g64d00cc (automated)gVisor bot
2019-12-17Internal change.Kevin Krakauer
PiperOrigin-RevId: 286083614
2019-12-17Merge release-20191210.0-46-g725e73e (automated)gVisor bot
2019-12-17Merge pull request #1393 from ernado:cpu-num-from-quotagVisor bot
PiperOrigin-RevId: 286068605
2019-12-17Merge release-20191210.0-42-g91f1ac7 (automated)gVisor bot
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