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2021-07-13Merge release-20210705.0-15-g520795aaa (automated)gVisor bot
2021-07-12Merge release-20210705.0-11-ge3fdd1593 (automated)gVisor bot
2021-07-12[syserror] Update syserror to linuxerr for more errors.Zach Koopmans
Update the following from syserror to the linuxerr equivalent: EEXIST EFAULT ENOTDIR ENOTTY EOPNOTSUPP ERANGE ESRCH PiperOrigin-RevId: 384329869
2021-07-01Merge release-20210628.0-16-g590b8d3e9 (automated)gVisor bot
2021-07-01[syserror] Update several syserror errors to linuxerr equivalents.Zach Koopmans
Update/remove most syserror errors to linuxerr equivalents. For list of removed errors, see //pkg/syserror/syserror.go. PiperOrigin-RevId: 382574582
2021-06-30Merge release-20210628.0-14-g6ef268409 (automated)gVisor bot
2021-06-30[syserror] Update syserror to linuxerr for EACCES, EBADF, and EPERM.Zach Koopmans
Update all instances of the above errors to the faster linuxerr implementation. With the temporary linuxerr.Equals(), no logical changes are made. PiperOrigin-RevId: 382306655
2021-06-29Merge release-20210628.0-8-g54b71221c (automated)gVisor bot
2021-06-29[syserror] Change syserror to linuxerr for E2BIG, EADDRINUSE, and EINVALZach Koopmans
Remove three syserror entries duplicated in linuxerr. Because of the linuxerr.Equals method, this is a mere change of return values from syserror to linuxerr definitions. Done with only these three errnos as CLs removing all grow to a significantly large size. PiperOrigin-RevId: 382173835
2021-06-22[syserror] Add conversions to linuxerr with temporary Equals method.Zach Koopmans
Add Equals method to compare syserror and unix.Errno errors to linuxerr errors. This will facilitate removal of syserror definitions in a followup, and finding needed conversions from unix.Errno to linuxerr. PiperOrigin-RevId: 380909667
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
2021-06-07Merge release-20210601.0-16-gee1003bde (automated)gVisor bot
2021-06-07Implement RENAME_NOREPLACE for all VFS2 filesystem implementations.Jamie Liu
PiperOrigin-RevId: 377966969
2021-05-14Merge release-20210510.0-38-g894187b2c (automated)gVisor bot
2021-05-14Resolve remaining O_PATH TODOs.Dean Deng
O_PATH is now implemented in vfs2. Fixes #2782. PiperOrigin-RevId: 373861410
2021-05-12Merge release-20210503.0-47-g07e32fa69 (automated)gVisor bot
2021-04-02Merge release-20210322.0-34-gcc762235c (automated)gVisor bot
2021-04-02Internal change.gVisor bot
PiperOrigin-RevId: 366462448
2021-03-29Merge release-20210322.0-29-g8a2f7e716 (automated)gVisor bot
2021-03-29[syserror] Split usermem packageZach Koopmans
Split usermem package to help remove syserror dependency in go_marshal. New hostarch package contains code not dependent on syserror. PiperOrigin-RevId: 365651233
2021-03-23Merge release-20210315.0-15-gacb4c6288 (automated)gVisor bot
2021-03-12Merge release-20210301.0-37-gc5667022b (automated)gVisor bot
2021-03-11Report filesystem-specific mount options.Rahat Mahmood
PiperOrigin-RevId: 362406813
2021-02-11Merge release-20210201.0-84-g81ea0016e (automated)gVisor bot
2021-02-10Support setgid directories in tmpfs and kernfsKevin Krakauer
PiperOrigin-RevId: 356868412
2021-02-09Merge release-20210201.0-63-gd6dbe6e5c (automated)gVisor bot
2021-02-09pipe: writeLocked has to return ErrWouldBlock if the pipe is fullAndrei Vagin
PiperOrigin-RevId: 356450303
2021-02-04Merge release-20210125.0-79-gf2c881f68 (automated)gVisor bot
2021-02-03[vfs] Make sticky bit check consistent with Linux.Ayush Ranjan
Our implementation of vfs.CheckDeleteSticky was not consistent with Linux, specifically not consistent with fs/linux.h:check_sticky(). One of the biggest differences was that the vfs implementation did not allow the owner of the sticky directory to delete files inside it that belonged to other users. This change makes our implementation consistent with Linux. Also adds an integration test to check for this. This bug is also present in VFS1. Updates #3027 PiperOrigin-RevId: 355557425
2021-01-22Implement F_GETLK fcntl.Dean Deng
Fixes #5113. PiperOrigin-RevId: 353313374
2021-01-21Merge release-20210112.0-51-g55332aca9 (automated)gVisor bot
2021-01-20Move Lock/UnlockPOSIX into LockFD util.Dean Deng
PiperOrigin-RevId: 352904728
2021-01-15Merge release-20210112.0-25-ge57ebcd37 (automated)gVisor bot
2021-01-14Check for existence before permissionsFabricio Voznika
Return EEXIST when overwritting a file as long as the caller has exec permission on the parent directory, even if the caller doesn't have write permission. Also reordered the mount write check, which happens before permission is checked. Closes #5164 PiperOrigin-RevId: 351868123
2021-01-11Merge release-20201216.0-82-g4c4de6644 (automated)gVisor bot
2020-12-12Merge release-20201208.0-36-g1e92732eb (automated)gVisor bot
2020-11-19Merge release-20201109.0-81-g3a16b829c (automated)gVisor bot
2020-11-18Port filesystem metrics to VFS2.Jamie Liu
PiperOrigin-RevId: 343196927
2020-11-17Merge release-20201109.0-62-g10ba578c0 (automated)gVisor bot
2020-11-17tmpfs: make sure that a dentry will not be destroyed before the open() callAndrei Vagin
If we don't hold a reference, the dentry can be destroyed by another thread. Reported-by: syzbot+f2132e50060c41f6d41f@syzkaller.appspotmail.com PiperOrigin-RevId: 342951940
2020-11-13Merge release-20201030.0-86-ge869e2c7c (automated)gVisor bot
2020-11-13fs/tmpfs: change regularFile.size atomicallyAndrei Vagin
PiperOrigin-RevId: 342221309
2020-11-13Merge release-20201030.0-85-gcc1b20590 (automated)gVisor bot
2020-11-13fs/tmpfs: use atomic operations to access inode.modeAndrei Vagin
PiperOrigin-RevId: 342214859
2020-11-12Merge release-20201030.0-70-gac62743e3 (automated)gVisor bot
2020-11-11Read fsimpl/tmpfs timestamps atomically.Jamie Liu
PiperOrigin-RevId: 341982672
2020-11-09Merge release-20201030.0-53-g0fb5353e4 (automated)gVisor bot
2020-11-09Initialize references with a value of 1.Dean Deng
This lets us avoid treating a value of 0 as one reference. All references using the refsvfs2 template must call InitRefs() before the reference is incremented/decremented, or else a panic will occur. Therefore, it should be pretty easy to identify missing InitRef calls during testing. Updates #1486. PiperOrigin-RevId: 341411151
2020-11-03Merge release-20201027.0-61-g723464ec5 (automated)gVisor bot
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