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2020-09-27Merge release-20200921.0-54-gfa995da84 (automated)gVisor bot
2020-09-27Fix kernfs race condition.Dean Deng
Do not release dirMu between checking whether to create a child and actually inserting it. Also fixes a bug in fusefs which was causing it to deadlock under the new lock ordering. We do not need to call kernfs.Dentry.InsertChild from newEntry because it will always be called at the kernfs filesystem layer. Updates #1193. PiperOrigin-RevId: 334049264
2020-09-27Merge release-20200921.0-53-g2a60f9229 (automated)gVisor bot
2020-09-27Clean up kcov.Dean Deng
Previously, we did not check the kcov mode when performing task work. As a result, disabling kcov did not do anything. Also avoid expensive atomic RMW when consuming coverage data. We don't need the swap if the value is already zero (which is most of the time), and it is ok if there are slight inconsistencies due to a race between coverage data generation (incrementing the value) and consumption (reading a nonzero value and writing zero). PiperOrigin-RevId: 334049207
2020-09-27Merge release-20200921.0-52-ga376a0baf (automated)gVisor bot
2020-09-26Remove generic ICMP errorsGhanan Gowripalan
Generic ICMP errors were required because the transport dispatcher was given the responsibility of sending ICMP errors in response to transport packet delivery failures. Instead, the transport dispatcher should let network layer know it failed to deliver a packet (and why) and let the network layer make the decision as to what error to send (if any). Fixes #4068 PiperOrigin-RevId: 333962333
2020-09-26Merge release-20200921.0-51-gebc81fadf (automated)gVisor bot
2020-09-25Add openat() to list of permitted syscalls in gotsan runs.Bhasker Hariharan
PiperOrigin-RevId: 333853498
2020-09-25Merge release-20200921.0-50-gd79cf4808 (automated)gVisor bot
2020-09-25Disable flaky java11 tests.Jamie Liu
Regarding ThreadCpuTimeArray.java: The test starts 10 threads, each of which does some computation, then blocks. When all threads are blocked, the test sleeps for 200ms, then checks that less than 100ns of CPU time in userspace elapse over the course of the sleep; AFAICT, the 100ns of slop is because a thread indicates that it's in the WAITING state before it actually blocks, and because signals can cause threads to be temporarily woken. gVisor's CPU clocks have a granularity of 10ms (the interval of Kernel.cpuClockTicker is //pkg/abi/linux.ClockTick), so a single tick pushes the test over the threshold. PiperOrigin-RevId: 333830287
2020-09-25Merge release-20200921.0-49-gf2b469916 (automated)gVisor bot
2020-09-25Merge pull request #4077 from zhlhahaha:1973gVisor bot
PiperOrigin-RevId: 333805533
2020-09-25fix seccomp test for ARM64Howard Zhang
As open syscall is not support on ARM64, change syscall from 'open' to 'openat' in no_match_name_allow Signed-off-by: Howard Zhang <howard.zhang@arm.com>
2020-09-25fix TestUserLog for multi-archHoward Zhang
based on arch, apply different syscall number for sched_rr_get_interval Signed-off-by: Howard Zhang <howard.zhang@arm.com>
2020-09-24Merge release-20200914.0-162-g74870fc20 (automated)gVisor bot
2020-09-24Merge pull request #4018 from didier-durand:patch-1gVisor bot
PiperOrigin-RevId: 333611788
2020-09-24Merge release-20200914.0-159-gada4d8a33 (automated)gVisor bot
2020-09-24Remove useless endpoint constructionTamir Duberstein
PiperOrigin-RevId: 333591566
2020-09-24Merge release-20200914.0-158-g832d91b80 (automated)gVisor bot
2020-09-24[vfs] kernfs: Do not hold reference on the inode when opening FD.Ayush Ranjan
The FD should hold a reference on the dentry they were opened on which in turn holds a reference on the inode it points to. PiperOrigin-RevId: 333589223
2020-09-24Merge release-20200914.0-157-g5f8c65354 (automated)gVisor bot
2020-09-24Merge pull request #4019 from didier-durand:patch-2gVisor bot
PiperOrigin-RevId: 333588387
2020-09-24Merge release-20200914.0-155-g90d9d0e7b (automated)gVisor bot
2020-09-24Correct FS_IOC_GETFLAGS valueChong Cai
The previous value was for unix PiperOrigin-RevId: 333571962
2020-09-24Merge release-20200914.0-154-g2a10bc1e4 (automated)gVisor bot
2020-09-24[vfs] [2/2] kernfs: kernfs: Internally use kernfs.Dentry instead of vfs.Dentry.Ayush Ranjan
Update signatures for: - All methods in inodeDirectory - deferDecRef() and Filesystem.droppedDentries - newSyntheticDirectory() - `slot`s used in OrderedChildren and subsequent methods like replaceChildLocked() and checkExistingLocked() - stepExistingLocked(), walkParentDirLocked(), checkCreateLocked() Updates #1193 PiperOrigin-RevId: 333558866
2020-09-24Merge release-20200914.0-153-gc3fc69022 (automated)gVisor bot
2020-09-24Fix Nginx Startup and Size Benchmarks.Zach Koopmans
Changes in Nginx Benchmarks in network_tests also affect Startup/Size Nginx Benchmarks. Make sure the commands line up. PiperOrigin-RevId: 333543697
2020-09-24Merge release-20200914.0-152-g0a7075f38 (automated)gVisor bot
2020-09-24Add basic stateify annotations.Adin Scannell
Updates #1663 PiperOrigin-RevId: 333539293
2020-09-24Merge release-20200914.0-151-g5d50c91c4 (automated)gVisor bot
2020-09-24Change segment/pending queue to use receive buffer limits.Bhasker Hariharan
segment_queue today has its own standalone limit of MaxUnprocessedSegments but this can be a problem in UnlockUser() we do not release the lock till there are segments to be processed. What can happen is as handleSegments dequeues packets more keep getting queued and we will never release the lock. This can keep happening even if the receive buffer is full because nothing can read() till we release the lock. Further having a separate limit for pending segments makes it harder to track memory usage etc. Unifying the limits makes it easier to reason about memory in use and makes the overall buffer behaviour more consistent. PiperOrigin-RevId: 333508122
2020-09-24Merge release-20200914.0-150-g0a232a5e8 (automated)gVisor bot
2020-09-24test/syscall/mknod: Don't use a hard-coded file nameAndrei Vagin
PiperOrigin-RevId: 333461380
2020-09-24Merge release-20200914.0-149-g53d569a97 (automated)gVisor bot
2020-09-23Merge pull request #4071 from avagin:travisgVisor bot
PiperOrigin-RevId: 333454489
2020-09-24Merge release-20200914.0-147-g3838e83a9 (automated)gVisor bot
2020-09-23fuse: don't call dentry.InsertChildAndrei Vagin
It is called from the kernfs code (OpenAt and revalidateChildLocked()). For RemoveChildLocked, it is opposed. We need to call it from fuse.RmDir and fuse.Unlink. PiperOrigin-RevId: 333453218
2020-09-24Merge release-20200914.0-146-g03898a087 (automated)gVisor bot
2020-09-23Clean up inotify tests.Dean Deng
Mostly simplifies SKIP_IF statements and adds some more documentation. Also, mknod is now supported by gofer fs, so remove SKIP_IFs related to this. PiperOrigin-RevId: 333449932
2020-09-24Merge release-20200914.0-145-g6410e74a9 (automated)gVisor bot
2020-09-23Add more descriptive comments on mount options.Dean Deng
PiperOrigin-RevId: 333447255
2020-09-23make: specify /dev/null for the tail toolAndrei Vagin
2020-09-24Merge release-20200914.0-144-g08bbad690 (automated)gVisor bot
2020-09-23[vfs] kernfs: Enable leak checking consistently.Ayush Ranjan
There were some instances where we were not enabling leak checking. PiperOrigin-RevId: 333418571
2020-09-24Merge release-20200914.0-143-g9c8a6796f (automated)gVisor bot
2020-09-23Let underlying fs handle LockFD in verity fsChong Cai
PiperOrigin-RevId: 333412836
2020-09-24Merge release-20200914.0-142-gfc1bf0d75 (automated)gVisor bot
2020-09-23Remove unused scripts.Ayush Ranjan
PiperOrigin-RevId: 333408633
2020-09-24Merge release-20200914.0-141-ge02e7e999 (automated)gVisor bot
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