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2020-01-30Merge release-20200127.0-35-gede8dfa (automated)gVisor bot
2020-01-30Enforce splice offset limitsMichael Pratt
Splice must not allow negative offsets. Writes also must not allow offset + size to overflow int64. Reads are similarly broken, but not just in splice (b/148095030). Reported-by: syzbot+0e1ff0b95fb2859b4190@syzkaller.appspotmail.com PiperOrigin-RevId: 292361208
2020-01-30Merge release-20200127.0-34-gec06797 (automated)gVisor bot
2020-01-30Do not include the Source Link Layer option with an unspecified source addressGhanan Gowripalan
When sending NDP messages with an unspecified source address, the Source Link Layer address must not be included. Test: stack_test.TestDADResolve PiperOrigin-RevId: 292341334
2020-01-30Merge release-20200127.0-33-g6f841c3 (automated)gVisor bot
2020-01-29Do not spawn a goroutine when calling stack.NDPDispatcher's methodsGhanan Gowripalan
Do not start a new goroutine when calling stack.NDPDispatcher.OnDuplicateAddressDetectionStatus. PiperOrigin-RevId: 292268574
2020-01-30Merge release-20200127.0-31-g51b7835 (automated)gVisor bot
2020-01-29Add support for TCP_DEFER_ACCEPT.Bhasker Hariharan
PiperOrigin-RevId: 292233574
2020-01-29Merge release-20200127.0-30-g148fda6 (automated)gVisor bot
2020-01-29Add plumbing for file locks in VFS2.Dean Deng
Updates #1480 PiperOrigin-RevId: 292180192
2020-01-29Merge release-20200127.0-29-g37bb502 (automated)gVisor bot
2020-01-29sentry: rename SetRSEQInterruptedIP to SetOldRSeqInterruptedIP for arm64Andrei Vagin
For amd64, this has been done on cl/288342928. PiperOrigin-RevId: 292170856
2020-01-29Merge release-20200127.0-28-g8dcedc9 (automated)gVisor bot
2020-01-29Add //pkg/sentry/devices/memdev.Jamie Liu
PiperOrigin-RevId: 292165063
2020-01-29Merge release-20200127.0-27-g4cb55a7 (automated)gVisor bot
2020-01-28Prevent arbitrary size allocation when sending UDS messages.Dean Deng
Currently, Send() will copy data into a new byte slice without regard to the original size. Size checks should be performed before the allocation takes place. Note that for the sake of performance, we avoid putting the buffer allocation into the critical section. As a result, the size checks need to be performed again within Enqueue() in case the limit has changed. PiperOrigin-RevId: 292058147
2020-01-29Merge release-20200127.0-26-g396c574 (automated)gVisor bot
2020-01-28Add support for WritableSource in DynamicBytesFileDescriptionImplFabricio Voznika
WritableSource is a convenience interface used for files that can be written to, e.g. /proc/net/ipv4/tpc_sack. It reads max of 4KB and only from offset 0 which should cover most cases. It can be extended as neeed. Updates #1195 PiperOrigin-RevId: 292056924
2020-01-29Merge release-20200115.0-127-g3d046fe (automated)gVisor bot
2020-01-28Changes missing in last submitFabricio Voznika
Updates #1487 Updates #1623 PiperOrigin-RevId: 292040835
2020-01-28Merge release-20200115.0-126-g431ff52 (automated)gVisor bot
2020-01-28Update link address for senders of Neighbor SolicitationsGhanan Gowripalan
Update link address for senders of NDP Neighbor Solicitations when the NS contains an NDP Source Link Layer Address option. Tests: - ipv6.TestNeighorSolicitationWithSourceLinkLayerOption - ipv6.TestNeighorSolicitationWithInvalidSourceLinkLayerOption PiperOrigin-RevId: 292028553
2020-01-28Merge release-20200115.0-125-g437c986 (automated)gVisor bot
2020-01-28Add vfs.FileDescription to FD tableFabricio Voznika
FD table now holds both VFS1 and VFS2 types and uses the correct one based on what's set. Parts of this CL are just initial changes (e.g. sys_read.go, runsc/main.go) to serve as a template for the remaining changes. Updates #1487 Updates #1623 PiperOrigin-RevId: 292023223
2020-01-28Add //pkg/sentry/fsimpl/devtmpfs.Jamie Liu
PiperOrigin-RevId: 292021389
2020-01-28Merge release-20200115.0-123-gce0bac4 (automated)gVisor bot
2020-01-28Include the NDP Source Link Layer option when sending DAD messagesGhanan Gowripalan
Test: stack_test.TestDADResolve PiperOrigin-RevId: 292003124
2020-01-28Merge release-20200115.0-122-gf263801 (automated)gVisor bot
2020-01-28fs/splice: don't report partial errors for special filesAndrei Vagin
Special files can have additional requirements for granularity. For example, read from eventfd returns EINVAL if a size is less 8 bytes. Reported-by: syzbot+3905f5493bec08eb7b02@syzkaller.appspotmail.com PiperOrigin-RevId: 292002926
2020-01-28Merge release-20200115.0-121-g34fbd84 (automated)gVisor bot
2020-01-28Add VFS2 support for epoll.Jamie Liu
PiperOrigin-RevId: 291997879
2020-01-28Merge release-20200115.0-120-gd99329e (automated)gVisor bot
2020-01-28netlink: add support for RTM_F_LOOKUP_TABLEJianfeng Tan
Test command: $ ip route get 1.1.1.1 Fixes: #1099 Signed-off-by: Jianfeng Tan <henry.tjf@antfin.com> COPYBARA_INTEGRATE_REVIEW=https://github.com/google/gvisor/pull/1121 from tanjianfeng:fix-1099 e6919f3d4ede5aa51a48b3d2be0d7a4b482dd53d PiperOrigin-RevId: 291990716
2020-01-28Merge release-20200115.0-119-g1119644 (automated)gVisor bot
2020-01-28Implement an anon_inode equivalent for VFS2.Jamie Liu
PiperOrigin-RevId: 291986033
2020-01-28Merge release-20200115.0-118-g76483b8 (automated)gVisor bot
2020-01-28Check sigsetsize in rt_sigactionMichael Pratt
This isn't in the libc wrapper, but it is in the syscall itself. Discovered by @xiaobo55x in #1625. PiperOrigin-RevId: 291973931
2020-01-28Merge release-20200115.0-115-g2a2da5b (automated)gVisor bot
2020-01-27Add a type to represent the NDP Source Link Layer Address optionGhanan Gowripalan
Tests: - header.TestNDPSourceLinkLayerAddressOptionEthernetAddress - header.TestNDPSourceLinkLayerAddressOptionSerialize - header.TestNDPOptionsIterCheck - header.TestNDPOptionsIter PiperOrigin-RevId: 291856429
2020-01-28Merge release-20200115.0-113-gdb68c85 (automated)gVisor bot
2020-01-27Merge pull request #1561 from zhangningdlut:chris_ttygVisor bot
PiperOrigin-RevId: 291821850
2020-01-28Merge release-20200115.0-111-g253c9e6 (automated)gVisor bot
2020-01-27Cleanup glog and add real caller information.Adin Scannell
In general, we've learned that logging must be avoided at all costs in the hot path. It's unlikely that the optimizations here were significant in any case, since buffer would certainly escape. This also adds a test to ensure that the caller identification works as expected, and so that logging can be benchmarked. Original: BenchmarkGoogleLogging-6 1222255 949 ns/op With this change: BenchmarkGoogleLogging-6 517323 2346 ns/op Fixes #184 PiperOrigin-RevId: 291815420
2020-01-27Merge release-20200115.0-110-g0e2f1b7 (automated)gVisor bot
2020-01-27Merge release-20200115.0-109-g60d7ff7 (automated)gVisor bot
2020-01-27Update package locations.Adin Scannell
Because the abi will depend on the core types for marshalling (usermem, context, safemem, safecopy), these need to be flattened from the sentry directory. These packages contain no sentry-specific details. PiperOrigin-RevId: 291811289
2020-01-27Merge pull request #1676 from majek:marek/FIX-1632-expose-NewPacketConngVisor bot
PiperOrigin-RevId: 291803499
2020-01-27Merge release-20200115.0-107-g90ec596 (automated)gVisor bot
2020-01-27Fix licenses.Adin Scannell
The preferred Copyright holder is "The gVisor Authors". PiperOrigin-RevId: 291786657
2020-01-27Merge release-20200115.0-106-gfbfcfcf (automated)gVisor bot
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