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path: root/pkg/sentry/fs/proc
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2020-01-21Merge release-20200115.0-50-gd46c397 (automated)gVisor bot
2020-01-21Add line break to /proc/net filesFabricio Voznika
Some files were missing the last line break. PiperOrigin-RevId: 290808898
2020-01-18Merge release-20200115.0-34-g1040159 (automated)gVisor bot
2020-01-18Include the cgroup name in the superblock options in /proc/self/mountinfo.Nicolas Lacasse
Java 11 parses /proc/self/mountinfo for cgroup information. Java 11.0.4 uses the mount path to determine what cgroups existed, but Java 11.0.5 reads the cgroup names from the superblock options. This CL adds the cgroup name to the superblock options if the filesystem type is "cgroup". Since gVisor doesn't actually support cgroups yet, we just infer the cgroup name from the path. PiperOrigin-RevId: 290434323
2020-01-17Merge release-20200115.0-17-g19b4653 (automated)gVisor bot
2020-01-16Remove unused rpcinet.Adin Scannell
PiperOrigin-RevId: 290198756
2020-01-16Merge release-20200115.0-14-gab48112 (automated)gVisor bot
2020-01-16Add IfChange/ThenChange reminders in fs/procFabricio Voznika
There is a lot of code duplication for VFSv2 and this serves as remind to keep the copies in sync. Updates #1195 PiperOrigin-RevId: 290139234
2020-01-16Merge release-20200115.0-8-g7b7c318 (automated)gVisor bot
2020-01-16Add remaining /proc/* and /proc/sys/* filesFabricio Voznika
Except for one under /proc/sys/net/ipv4/tcp_sack. /proc/pid/* is still incomplete. Updates #1195 PiperOrigin-RevId: 290120438
2020-01-10Merge release-20191213.0-96-g27500d5 (automated)gVisor bot
2020-01-09New sync package.Ian Gudger
* Rename syncutil to sync. * Add aliases to sync types. * Replace existing usage of standard library sync package. This will make it easier to swap out synchronization primitives. For example, this will allow us to use primitives from github.com/sasha-s/go-deadlock to check for lock ordering violations. Updates #1472 PiperOrigin-RevId: 289033387
2019-12-18Merge release-20191210.0-50-g334a513 (automated)gVisor bot
2019-12-18Add Mems_allowed to /proc/PID/statusMichael Pratt
PiperOrigin-RevId: 286248378
2019-12-05Merge release-20191114.0-65-g0a32c02 (automated)gVisor bot
2019-12-05Create correct file for /proc/[pid]/task/[tid]/ioZach Koopmans
PiperOrigin-RevId: 284038840
2019-12-03Merge release-20191114.0-56-g0354071 (automated)gVisor bot
2019-12-03Fix printing /proc/[pid]/io for /proc/[pid]/task/[tid]/io.Zach Koopmans
PiperOrigin-RevId: 283630669
2019-11-27Merge release-20191114.0-39-g20279c3 (automated)gVisor bot
2019-11-26Allow open(O_TRUNC) and (f)truncate for proc files.Ian Lewis
This allows writable proc and devices files to be opened with O_CREAT|O_TRUNC. This is encountered most frequently when interacting with proc or devices files via the command line. e.g. $ echo 8192 1048576 4194304 > /proc/sys/net/ipv4/tcp_rmem Also adds a test to test the behavior of open(O_TRUNC), truncate, and ftruncate on named pipes. Fixes #1116 PiperOrigin-RevId: 282677425
2019-10-23Merge release-20190806.1-315-g6d4d956 (automated)gVisor bot
2019-10-23Merge pull request #641 from tanjianfeng:mastergVisor bot
PiperOrigin-RevId: 276380008
2019-10-16Reorder BUILD license and load functions in gvisor.Kevin Krakauer
PiperOrigin-RevId: 275139066
2019-10-15support /proc/net/routeJianfeng Tan
This proc file reports routing information to applications inside the container. Signed-off-by: Jianfeng Tan <henry.tjf@antfin.com> Change-Id: I498e47f8c4c185419befbb42d849d0b099ec71f3
2019-10-15support /proc/net/snmpJianfeng Tan
This proc file contains statistics according to [1]. [1] https://tools.ietf.org/html/rfc2013 Signed-off-by: Jianfeng Tan <henry.tjf@antfin.com> Change-Id: I9662132085edd8a7783d356ce4237d7ac0800d94
2019-10-02Merge release-20190806.1-231-gcde7711 (automated)gVisor bot
2019-10-02Merge pull request #865 from tanjianfeng:fix-829gVisor bot
PiperOrigin-RevId: 272522508
2019-10-02Merge release-20190806.1-228-g2016cc2 (automated)gVisor bot
2019-10-02fs/proc: report PID-s from a pid namespace of the proc mountAndrei Vagin
Right now, we can find more than one process with the 1 PID in /proc. $ for i in `seq 10`; do > unshare -fp sleep 1000 & > done $ ls /proc 1 1 1 1 12 18 24 29 6 loadavg net sys version 1 1 1 1 16 20 26 32 cpuinfo meminfo self thread-self 1 1 1 1 17 21 28 36 filesystems mounts stat uptime PiperOrigin-RevId: 272506593
2019-09-20Implement /proc/net/tcp6Jianfeng Tan
Fixes: #829 Signed-off-by: Jianfeng Tan <henry.tjf@antfin.com> Signed-off-by: Jielong Zhou <jielong.zjl@antfin.com>
2019-09-12Remove go_test from go_stateify and go_marshalMichael Pratt
They are no-ops, so the standard rule works fine. PiperOrigin-RevId: 268776264
2019-08-29Merge 863e11ac (automated)gVisor bot
2019-08-29Implement /proc/net/udp.Rahat Mahmood
PiperOrigin-RevId: 266229756
2019-08-08Merge 7bfad8eb (automated)gVisor bot
2019-08-08Return a well-defined socket address type from socket funtions.Rahat Mahmood
Previously we were representing socket addresses as an interface{}, which allowed any type which could be binary.Marshal()ed to be used as a socket address. This is fine when the address is passed to userspace via the linux ABI, but is problematic when used from within the sentry such as by networking procfs files. PiperOrigin-RevId: 262460640
2019-07-17Merge 78a2704b (automated)gVisor bot
2019-07-16Merge pull request #474 from zhuangel:proctasksgVisor bot
PiperOrigin-RevId: 258479216
2019-07-16Merge cf4fc510 (automated)gVisor bot
2019-07-15Support /proc/net/devJianfeng Tan
This proc file reports the stats of interfaces. We could use ifconfig command to check the result. Signed-off-by: Jianfeng Tan <henry.tjf@antfin.com> Change-Id: Ia7c1e637f5c76c30791ffda68ee61e861b6ef827 COPYBARA_INTEGRATE_REVIEW=https://gvisor-review.googlesource.com/c/gvisor/+/18282/ PiperOrigin-RevId: 258303936
2019-07-12Merge eff2c264 (automated)gVisor bot
2019-07-12Merge pull request #282 from zhangningdlut:chris_test_procgVisor bot
PiperOrigin-RevId: 257855479
2019-07-12Merge 69e0affa (automated)gVisor bot
2019-07-02Remove map from fd_map, change to fd_table.Adin Scannell
This renames FDMap to FDTable and drops the kernel.FD type, which had an entire package to itself and didn't serve much use (it was freely cast between types, and served as more of an annoyance than providing any protection.) Based on BenchmarkFDLookupAndDecRef-12, we can expect 5-10 ns per lookup operation, and 10-15 ns per concurrent lookup operation of savings. This also fixes two tangential usage issues with the FDMap. Namely, non-atomic use of NewFDFrom and associated calls to Remove (that are both racy and fail to drop the reference on the underlying file.) PiperOrigin-RevId: 256285890
2019-06-28Fix deadloop in proc subtask listYong He
Readdir of /proc/x/task/ will get direntry entries from tasks of specified taskgroup. Now the tasks slice is unsorted, use sort.SearchInts search entry from the slice may cause infinity loops. The fix is sort the slice before search. This issue could be easily reproduced via following steps, revise Readdir in pkg/sentry/fs/proc/task.go, force set taskInts into test slice []int{1, 11, 7, 5, 10, 6, 8, 3, 9, 2, 4}, then run docker image and run ls /proc/1/task, the command will cause infinity loops.
2019-06-27Merge 5b41ba5d (automated)gVisor bot
2019-06-27Fix various spelling issues in the documentationMichael Pratt
Addresses obvious typos, in the documentation only. COPYBARA_INTEGRATE_REVIEW=https://github.com/google/gvisor/pull/443 from Pixep:fix/documentation-spelling 4d0688164eafaf0b3010e5f4824b35d1e7176d65 PiperOrigin-RevId: 255477779
2019-06-25Merge 7f5d0afe (automated)gVisor bot
2019-06-24Implement /proc/net/tcp.Rahat Mahmood
PiperOrigin-RevId: 254854346
2019-06-24Return ENOENT when reading /proc/{pid}/task of an exited processchris.zn
There will be a deadloop when we use getdents to read /proc/{pid}/task of an exited process Like this: Process A is running Process B: open /proc/{pid of A}/task Process A exits Process B: getdents /proc/{pid of A}/task Then, process B will fall into deadloop, and return "." and ".." in loops and never ends. This patch returns ENOENT when use getdents to read /proc/{pid}/task if the process is just exited. Signed-off-by: chris.zn <chris.zn@antfin.com>
2019-06-20Merge 292f70cb (automated)gVisor bot
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