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2021-06-11Merge release-20210601.0-47-g0892420c9 (automated)gVisor bot
2021-06-10Minor VFS2 xattr changes.Jamie Liu
- Allow the gofer client to use most xattr namespaces. As documented by the updated comment, this is consistent with e.g. Linux's FUSE client, and allows gofers to provide extended attributes from FUSE filesystems. - Make tmpfs' listxattr omit xattrs in the "trusted" namespace for non-privileged users. PiperOrigin-RevId: 378778854
2021-06-11Merge release-20210601.0-45-g3fcbad509 (automated)gVisor bot
2021-06-10Fix lock ordering issue when enumerating cgroup tasks.Rahat Mahmood
The control files enumerating tasks and threads residing in cgroupfs incorrectly locks cgroupfs.filesystem.tasksMu before kernel.TaskSet.mu. The contents of these control files are inherently racy anyways, so use a snapshot of the tasks in the cgroup and drop tasksMu before resolving pids/tids (which acquires TaskSet.mu). PiperOrigin-RevId: 378767060
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-20210601.0-42-g21169357c (automated)gVisor bot
2021-06-10Add /proc/sys/vm/max_map_countFabricio Voznika
Set it to int32 max because gVisor doesn't have a limit. Fixes #2337 PiperOrigin-RevId: 378722230
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-20210601.0-40-g450692e03 (automated)gVisor bot
2021-06-10Report task exit in /proc/[pid]/{stat,status} before task goroutine exit.Jamie Liu
Between when runExitNotify.execute() returns nil (indicating that the task goroutine should exit) and when Task.run() advances Task.gosched.State to TaskGoroutineNonexistent (indicating that the task goroutine is exiting), there is a race window in which the Task is waitable (since TaskSet.mu is unlocked and Task.exitParentNotified is true) but will be reported by /proc/[pid]/status as running. Close the window by checking Task.exitState before task goroutine exit. PiperOrigin-RevId: 378711484
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-20210601.0-37-gc867c5526 (automated)gVisor bot
2021-06-10Merge pull request #6103 from sudo-sturbia:semaphore-errgVisor bot
PiperOrigin-RevId: 378607458
2021-06-10Merge release-20210601.0-34-ga51fcf22e (automated)gVisor bot
2021-06-10[op] Move SignalStack to abi/linux package.Ayush Ranjan
Updates #214 PiperOrigin-RevId: 378594929
2021-06-10Merge release-20210601.0-33-g8d87a9418 (automated)gVisor bot
2021-06-09[op] Move SignalAct to abi/linux package.Ayush Ranjan
There were also other duplicate definitions of the same struct that I have now removed. Updates #214 PiperOrigin-RevId: 378579954
2021-06-10Merge release-20210601.0-32-g8a7b5a4a8 (automated)gVisor bot
2021-06-09Change TODO bug to a more specific issueKevin Krakauer
This lets us close a tracking bug that's too widely-scoped to be reasonably finished. PiperOrigin-RevId: 378563203
2021-06-10Merge release-20210601.0-31-g0c37626a0 (automated)gVisor bot
2021-06-09Decommit huge-page-aligned regions during reclaim under manual zeroing.Jamie Liu
PiperOrigin-RevId: 378546551
2021-06-09Merge release-20210601.0-25-g25f3c7bd2 (automated)gVisor bot
2021-06-09Change TODO to NOTE.Nicolas Lacasse
It's in VFS1 code, so we probably will not do it. PiperOrigin-RevId: 378474174
2021-06-07Merge release-20210601.0-19-ge710aceb5 (automated)gVisor bot
2021-06-07Remove unsupported syscall event for setsockopt(*, SOL_SOCKET, SO_OOBINLINE).Nicolas Lacasse
Netstack behaves as if SO_OOBINLINE is always set, and was logging an unsupported syscall event if the app tries to disable it. We don't have a real use case for TCP urgent mechanisms (and RFC6093 says apps SHOULD NOT use it). This CL keeps the current behavior, but removes the unsupported syscall event. Fixes #6123 PiperOrigin-RevId: 378026059
2021-06-07Merge release-20210601.0-17-g7e4e71253 (automated)gVisor bot
2021-06-07cgroupfs: don't add a task in the root cgroup if it is already there.Andrei Vagin
PiperOrigin-RevId: 377975013
2021-06-07Merge release-20210601.0-16-gee1003bde (automated)gVisor bot
2021-06-07Implement RENAME_NOREPLACE for all VFS2 filesystem implementations.Jamie Liu
PiperOrigin-RevId: 377966969
2021-06-03Merge release-20210518.0-70-gb3c608ef8 (automated)gVisor bot
2021-06-03Implement stringer for ExitStatusTamir Duberstein
PiperOrigin-RevId: 377370807
2021-06-03Initialize metrics at initTamir Duberstein
Avoids a race condition at kernel initialization. Updates #6057. PiperOrigin-RevId: 377357723
2021-06-01Move sync generics to their own packagesTamir Duberstein
The presence of multiple packages in a single directory sometimes confuses `go mod`, producing output like: go: downloading gvisor.dev/gvisor v0.0.0-20210601174640-77dc0f5bc94d $GOMODCACHE/gvisor.dev/gvisor@v0.0.0-20210601174640-77dc0f5bc94d/pkg/linewriter/linewriter.go:21:2: found packages sync (aliases.go) and seqatomic (generic_atomicptr_unsafe.go) in $GOMODCACHE/gvisor.dev/gvisor@v0.0.0-20210601174640-77dc0f5bc94d/pkg/sync imports.go:67:2: found packages tcp (accept.go) and rcv (rcv_test.go) in $GOMODCACHE/gvisor.dev/gvisor@v0.0.0-20210601174640-77dc0f5bc94d/pkg/tcpip/transport/tcp PiperOrigin-RevId: 376956213
2021-06-01Merge release-20210518.0-65-gd7d8a0a5a (automated)gVisor bot
2021-06-01vfs: Don't allow to mount anything on top of detached mountsAndrei Vagin
PiperOrigin-RevId: 376932659
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
2021-05-31Use syserror.ENOSPC for system-wide semaphore limits.Zyad A. Ali
semget(2) man page specifies that ENOSPC should be used if "the system limit for the maximum number of semaphore sets (SEMMNI), or the system wide maximum number of semaphores (SEMMNS), would be exceeded."
2021-05-27Merge release-20210518.0-58-g17df2df75 (automated)gVisor bot
2021-05-27nanosleep has to store the finish time in the restart blockAndrei Vagin
nanosleep has to count time that a thread spent in the stopped state. PiperOrigin-RevId: 376258641
2021-05-27Merge release-20210518.0-56-g62ec2422a (automated)gVisor bot
2021-05-27Merge pull request #6059 from lubinszARM:pr_arm64_bouncegVisor bot
PiperOrigin-RevId: 376233013
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-20210518.0-49-g9fcc44f99 (automated)gVisor bot
2021-05-26Add verity getdents testsChong Cai
PiperOrigin-RevId: 376001603
2021-05-26Merge release-20210518.0-44-gb63e61828 (automated)gVisor bot
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