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2019-05-07Check GSO for nil in WritePacketGoogler
Testing: Unit tests added PiperOrigin-RevId: 247096269 Change-Id: I849c010eadcb53caf45896a15ef38162d66a9568
2019-05-07Add gonet.DialContextTCP.Ian Gudger
Allows cancellation and timeouts. PiperOrigin-RevId: 247090428 Change-Id: I91907f12e218677dcd0e0b6d72819deedbd9f20c
2019-05-07Remove defers from gofer.contextFileFabricio Voznika
Most are single line methods in hot paths. PiperOrigin-RevId: 247050267 Change-Id: I428d78723fe00b57483185899dc8fa9e1f01e2ea
2019-05-06Ensure all uses of MM.brk occur under MM.mappingMu in MM.Brk().Jamie Liu
PiperOrigin-RevId: 246921386 Change-Id: I71d8908858f45a9a33a0483470d0240eaf0fd012
2019-05-05Fix raw socket behavior and tests.Kevin Krakauer
Some behavior was broken due to the difficulty of running automated raw socket tests. Change-Id: I152ca53916bb24a0208f2dc1c4f5bc87f4724ff6 PiperOrigin-RevId: 246747067
2019-05-03Add arm64 support to pkg/seccompBin Lu
Signed-off-by: Bin Lu <bin.lu@arm.com> PiperOrigin-RevId: 246622505 Change-Id: I803639a0c5b0f75959c64fee5385314214834d10
2019-05-03Update tcpip Clock description.Ian Gudger
The tcpip.Clock comment stated that times provided by it should not be used for netstack internal timekeeping. This comment was from before the interface supported monotonic times. The monotonic times that it provides are now be the preferred time source for netstack internal timekeeping. PiperOrigin-RevId: 246618772 Change-Id: I853b720e3d719b03fabd6156d2431da05d354bda
2019-05-03gofer: don't leak file descriptorsAndrei Vagin
Fixes #219 PiperOrigin-RevId: 246568639 Change-Id: Ic7afd15dde922638d77f6429c508d1cbe2e4288a
2019-05-03Support IPv4 fragmentation in netstackGoogler
Testing: Unit tests and also large ping in Fuchsia OS PiperOrigin-RevId: 246563592 Change-Id: Ia12ab619f64f4be2c8d346ce81341a91724aef95
2019-05-03Add netfilter ABI for iptables support.Kevin Krakauer
Change-Id: Ifbd2abf63ea8062a89b83e948d3e9735480d8216 PiperOrigin-RevId: 246559904
2019-05-03Fix transport/raw copybara exportTamir Duberstein
- include packet_list.go - exclude state.go (by renaming to include an underscore) Also rename raw.go to endpoint.go for consistency. PiperOrigin-RevId: 246547912 Change-Id: I19c8331c794ba683a940cc96a8be6497b53ff24d
2019-05-03Implement support for SACK based recovery(RFC 6675).Bhasker Hariharan
PiperOrigin-RevId: 246536003 Change-Id: I118b745f45040be9c70cb6a1028acdb06c78d8c9
2019-05-03Proper cleanup of sockets that used REUSEPORTChris Kuiper
Fixed a small logic error that broke proper accounting of MultiPortEndpoints. PiperOrigin-RevId: 246502126 Change-Id: I1a7d6ea134f811612e545676212899a3707bc2c2
2019-05-02Support reception of multicast data on more than one socketChris Kuiper
This requires two changes: 1) Support for more than one socket to join a given multicast group. 2) Duplicate delivery of incoming multicast packets to all sockets listening for it. In addition, I tweaked the code (and added a test) to disallow duplicates IP_ADD_MEMBERSHIP calls for the same group and NIC. This is how Linux does it. PiperOrigin-RevId: 246437315 Change-Id: Icad8300b4a8c3f501d9b4cd283bd3beabef88b72
2019-04-30Update reference to old typeMichael Pratt
PiperOrigin-RevId: 246036806 Change-Id: I5554a43a1f8146c927402db3bf98488a2da0fbe7
2019-04-30Implement async MemoryFile eviction, and use it in CachingInodeOperations.Jamie Liu
This feature allows MemoryFile to delay eviction of "optional" allocations, such as unused cached file pages. Note that this incidentally makes CachingInodeOperations writeback asynchronous, in the sense that it doesn't occur until eviction; this is necessary because between when a cached page becomes evictable and when it's evicted, file writes (via CachingInodeOperations.Write) may dirty the page. As currently implemented, this feature won't meaningfully impact steady-state memory usage or caching; the reclaimer goroutine will schedule eviction as soon as it runs out of other work to do. Future CLs increase caching by adding constraints on when eviction is scheduled. PiperOrigin-RevId: 246014822 Change-Id: Ia85feb25a2de92a48359eb84434b6ec6f9bea2cb
2019-04-29Implement the MSG_CTRUNC msghdr flag for Unix sockets.Ian Gudger
Updates google/gvisor#206 PiperOrigin-RevId: 245880573 Change-Id: Ifa715e98d47f64b8a32b04ae9378d6cd6bd4025e
2019-04-29Reduce memory allocations on serving pathFabricio Voznika
Cache last used messages and reuse them for subsequent requests. If more messages are needed, they are created outside the cache on demand. PiperOrigin-RevId: 245836910 Change-Id: Icf099ddff95df420db8e09f5cdd41dcdce406c61
2019-04-29Change copyright notice to "The gVisor Authors"Michael Pratt
Based on the guidelines at https://opensource.google.com/docs/releasing/authors/. 1. $ rg -l "Google LLC" | xargs sed -i 's/Google LLC.*/The gVisor Authors./' 2. Manual fixup of "Google Inc" references. 3. Add AUTHORS file. Authors may request to be added to this file. 4. Point netstack AUTHORS to gVisor AUTHORS. Drop CONTRIBUTORS. Fixes #209 PiperOrigin-RevId: 245823212 Change-Id: I64530b24ad021a7d683137459cafc510f5ee1de9
2019-04-29Allow and document bug ids in gVisor codebase.Nicolas Lacasse
PiperOrigin-RevId: 245818639 Change-Id: I03703ef0fb9b6675955637b9fe2776204c545789
2019-04-29createAt should return all errors from FindInode except ENOENT.Nicolas Lacasse
Previously, createAt was eating all errors from FindInode except for EACCES and proceeding with the creation. This is incorrect, as FindInode can return many other errors (like ENAMETOOLONG) that should stop creation. This CL changes createAt to return all errors encountered except for ENOENT, which we can ignore because we are about to create the thing. PiperOrigin-RevId: 245773222 Change-Id: I1b317021de70f0550fb865506f6d8147d4aebc56
2019-04-26tcpip/adapters/gonet: add CloseRead & CloseWrite methods to ConnBen Burkert
Add the CloseRead & CloseWrite methods that performs shutdown on the corresponding Read & Write sides of a connection. Change-Id: I3996a2abdc7cd68a2becba44dc4bd9f0919d2ce1 PiperOrigin-RevId: 245537950
2019-04-26Make raw sockets a toggleable feature disabled by default.Kevin Krakauer
PiperOrigin-RevId: 245511019 Change-Id: Ia9562a301b46458988a6a1f0bbd5f07cbfcb0615
2019-04-26kvm: remove non-sane sanity checkAdin Scannell
Apparently some platforms don't have pSize < vSize. Fixes #208 PiperOrigin-RevId: 245480998 Change-Id: I2a98229912f4ccbfcd8e79dfa355104f14275a9c
2019-04-26Bump the AF_PACKET socket rcv buf size to 4MB by default.Bhasker Hariharan
Packet socket receive buffers default to the sysctl value of net.core.rmem_default and are capped by net.core.rmem_max both which are usually set to 208KB on most systems. Since we can't expect every gVisor user to bump these we use SO_RCVBUFFORCE to exceed the limit. This is possible as runsc runs with CAP_NET_ADMIN outside the sandbox and can do this before the FD is passed to the sentry inside the sandbox. Updates #211 iperf output w/ 4MB buffer. iperf3 -c 172.17.0.2 -t 100 Connecting to host 172.17.0.2, port 5201 [ 4] local 172.17.0.1 port 40378 connected to 172.17.0.2 port 5201 [ ID] Interval Transfer Bandwidth Retr Cwnd [ 4] 0.00-1.00 sec 1.15 GBytes 9.89 Gbits/sec 0 1.02 MBytes [ 4] 1.00-2.00 sec 1.18 GBytes 10.2 Gbits/sec 0 1.02 MBytes [ 4] 2.00-3.00 sec 965 MBytes 8.09 Gbits/sec 0 1.02 MBytes [ 4] 3.00-4.00 sec 942 MBytes 7.90 Gbits/sec 0 1.02 MBytes [ 4] 4.00-5.00 sec 952 MBytes 7.99 Gbits/sec 0 1.02 MBytes [ 4] 5.00-6.00 sec 1.14 GBytes 9.81 Gbits/sec 0 1.02 MBytes [ 4] 6.00-7.00 sec 1.13 GBytes 9.68 Gbits/sec 0 1.02 MBytes [ 4] 7.00-8.00 sec 930 MBytes 7.80 Gbits/sec 0 1.02 MBytes [ 4] 8.00-9.00 sec 1.15 GBytes 9.91 Gbits/sec 0 1.02 MBytes [ 4] 9.00-10.00 sec 938 MBytes 7.87 Gbits/sec 0 1.02 MBytes [ 4] 10.00-11.00 sec 737 MBytes 6.18 Gbits/sec 0 1.02 MBytes [ 4] 11.00-12.00 sec 1.16 GBytes 9.93 Gbits/sec 0 1.02 MBytes [ 4] 12.00-13.00 sec 917 MBytes 7.69 Gbits/sec 0 1.02 MBytes [ 4] 13.00-14.00 sec 1.19 GBytes 10.2 Gbits/sec 0 1.02 MBytes [ 4] 14.00-15.00 sec 1.01 GBytes 8.70 Gbits/sec 0 1.02 MBytes [ 4] 15.00-16.00 sec 1.20 GBytes 10.3 Gbits/sec 0 1.02 MBytes [ 4] 16.00-17.00 sec 1.14 GBytes 9.80 Gbits/sec 0 1.02 MBytes ^C[ 4] 17.00-17.60 sec 718 MBytes 10.1 Gbits/sec 0 1.02 MBytes - - - - - - - - - - - - - - - - - - - - - - - - - [ ID] Interval Transfer Bandwidth Retr [ 4] 0.00-17.60 sec 18.4 GBytes 8.98 Gbits/sec 0 sender [ 4] 0.00-17.60 sec 0.00 Bytes 0.00 bits/sec receiver PiperOrigin-RevId: 245470590 Change-Id: I1c08c5ee8345de6ac070513656a4703312dc3c00
2019-04-26Fix reference counting bug in /proc/PID/fdinfo/.Kevin Krakauer
PiperOrigin-RevId: 245452217 Change-Id: I7164d8f57fe34c17e601079eb9410a6d95af1869
2019-04-25Perform explicit CPUID and FP state compatibility checks on restoreMichael Pratt
PiperOrigin-RevId: 245341004 Change-Id: Ic4d581039d034a8ae944b43e45e84eb2c3973657
2019-04-25Don't enforce NAME_MAX in fs.Dirent.walk().Jamie Liu
Maximum filename length is filesystem-dependent, and obtained via statfs::f_namelen. This limit is usually 255 bytes (NAME_MAX), but not always. For example, VFAT supports filenames of up to 255... UCS-2 characters, which Linux conservatively takes to mean UTF-8-encoded bytes: fs/fat/inode.c:fat_statfs(), FAT_LFN_LEN * NLS_MAX_CHARSET_SIZE. As a result, Linux's VFS does not enforce NAME_MAX: $ rg --maxdepth=1 '\WNAME_MAX\W' fs/ include/linux/ fs/libfs.c 38: buf->f_namelen = NAME_MAX; 64: if (dentry->d_name.len > NAME_MAX) include/linux/relay.h 74: char base_filename[NAME_MAX]; /* saved base filename */ include/linux/fscrypt.h 149: * filenames up to NAME_MAX bytes, since base64 encoding expands the length. include/linux/exportfs.h 176: * understanding that it is already pointing to a a %NAME_MAX+1 sized Remove this check from core VFS, and add it to ramfs (and by extension tmpfs), where it is actually applicable: mm/shmem.c:shmem_dir_inode_operations.lookup == simple_lookup *does* enforce NAME_MAX. PiperOrigin-RevId: 245324748 Change-Id: I17567c4324bfd60e31746a5270096e75db963fac
2019-04-23Fixes to PacketMMap dispatcher.Bhasker Hariharan
This CL fixes the following bugs: - Uses atomic to set/read status instead of binary.LittleEndian.PutUint32 etc which are not atomic. - Increments ringOffsets for frames that are truncated (i.e status is tpStatusCopy) - Does not ignore frames with tpStatusLost bit set as they are valid frames and only indicate that there some frames were lost before this one and metrics can be retrieved with a getsockopt call. - Adds checks to make sure blockSize is a multiple of page size. This is required as the kernel allocates in pages per block and rejects sizes that are not page aligned with an EINVAL. Updates #210 PiperOrigin-RevId: 244959464 Change-Id: I5d61337b7e4c0f8a3063dcfc07791d4c4521ba1f
2019-04-23Remove reflection from 9P serving pathFabricio Voznika
p9.messageByType was taking 7% of p9.recv before, spending time with reflection and map lookup. Now it's reduced to 1%. PiperOrigin-RevId: 244947313 Change-Id: I42813f920557b7656f8b29157eb32acd79e11fa5
2019-04-23Replace os.File with fd.FD in fsgoferFabricio Voznika
os.NewFile() accounts for 38% of CPU time in localFile.Walk(). This change switchs to use fd.FD which is much cheaper to create. Now, fd.New() in localFile.Walk() accounts for only 4%. PiperOrigin-RevId: 244944983 Change-Id: Ic892df96cf2633e78ad379227a213cb93ee0ca46
2019-04-22Bugfix: fix fstatat symbol link to dirWei Zhang
For a symbol link to some directory, eg. `/tmp/symlink -> /tmp/dir` `fstatat("/tmp/symlink")` should return symbol link data, but `fstatat("/tmp/symlink/")` (symlink with trailing slash) should return directory data it points following linux behaviour. Currently fstatat() a symlink with trailing slash will get "not a directory" error which is wrong. Signed-off-by: Wei Zhang <zhangwei198900@gmail.com> Change-Id: I63469b1fb89d083d1c1255d32d52864606fbd7e2 PiperOrigin-RevId: 244783916
2019-04-22Fix doc typoMichael Pratt
PiperOrigin-RevId: 244773890 Change-Id: I2d0cd7789771276ba545b38efff6d3e24133baaa
2019-04-22Clean up state error handlingMichael Pratt
PiperOrigin-RevId: 244773836 Change-Id: I32223f79d2314fe1ac4ddfc63004fc22ff634adf
2019-04-19tcpip/transport/tcp: read side only shutdown of an endpointBen Burkert
Support shutdown on only the read side of an endpoint. Reads performed after a call to Shutdown with only the ShutdownRead flag will return ErrClosedForReceive without data. Break out the shutdown(2) with SHUT_RD syscall test into to two tests. The first tests that no packets are sent when shutting down the read side of a socket. The second tests that, after shutting down the read side of a socket, unread data can still be read, or an EOF if there is no more data to read. Change-Id: I9d7c0a06937909cbb466b7591544a4bcaebb11ce PiperOrigin-RevId: 244459430
2019-04-19Add support for the MSG_TRUNC msghdr flag.Ian Gudger
The MSG_TRUNC flag is set in the msghdr when a message is truncated. Fixes google/gvisor#200 PiperOrigin-RevId: 244440486 Change-Id: I03c7d5e7f5935c0c6b8d69b012db1780ac5b8456
2019-04-18tcpip/transport/udp: add Forwarder typeBen Burkert
Add a UDP forwarder for intercepting and forwarding UDP sessions. Change-Id: I2d83c900c1931adfc59a532dd4f6b33a0db406c9 PiperOrigin-RevId: 244293576
2019-04-18Format struct pollfd in poll(2)/ppoll(2)Michael Pratt
I0410 15:40:38.854295 3776 x:0] [ 1] poll_test E poll(0x2b00bfb5c020 [{FD: 0x3 anon_inode:[eventfd], Events: POLLOUT, REvents: ...}], 0x1, 0x1) I0410 15:40:38.854348 3776 x:0] [ 1] poll_test X poll(0x2b00bfb5c020 [{FD: 0x3 anon_inode:[eventfd], Events: POLLOUT|POLLERR|POLLHUP, REvents: POLLOUT}], 0x1, 0x1) = 0x1 (10.765?s) PiperOrigin-RevId: 244269879 Change-Id: If07ba54a486fdeaaedfc0123769b78d1da862307
2019-04-18Only emit unimplemented syscall events for unsupported values.Ian Gudger
Only emit unimplemented syscall events for setting SO_OOBINLINE and SO_LINGER when attempting to set unsupported values. PiperOrigin-RevId: 244229675 Change-Id: Icc4562af8f733dd75a90404621711f01a32a9fc1
2019-04-18netstack: use a proper network protocol to set gso.L3HdrLenAndrei Vagin
It is possible to create a listening socket which will accept IPv4 and IPv6 connections. In this case, we set IPv6ProtocolNumber for all accepted endpoints, even if they handle IPv4 connections. This means that we can't use endpoint.netProto to set gso.L3HdrLen. PiperOrigin-RevId: 244227948 Change-Id: I5e1863596cb9f3d216febacdb7dc75651882eef1
2019-04-17Don't allow sigtimedwait to catch unblockable signalsMichael Pratt
The existing logic attempting to do this is incorrect. Unary ^ has higher precedence than &^, so mask always has UnblockableSignals cleared, allowing dequeueSignalLocked to dequeue unblockable signals (which allows userspace to ignore them). Switch the logic so that unblockable signals are always masked. PiperOrigin-RevId: 244058487 Change-Id: Ib19630ac04068a1fbfb9dc4a8eab1ccbdb21edc3
2019-04-17Use FD limit and file size limit from hostFabricio Voznika
FD limit and file size limit is read from the host, instead of using hard-coded defaults, given that they effect the sandbox process. Also limit the direct cache to use no more than half if the available FDs. PiperOrigin-RevId: 244050323 Change-Id: I787ad0fdf07c49d589e51aebfeae477324fe26e6
2019-04-17Convert poll/select to operate more directly on linux.PollFDMichael Pratt
Current, doPoll copies the user struct pollfd array into a []syscalls.PollFD, which contains internal kdefs.FD and waiter.EventMask types. While these are currently binary-compatible with the Linux versions, we generally discourage copying directly to internal types (someone may inadvertantly change kdefs.FD to uint64). Instead, copy directly to a []linux.PollFD, which will certainly be binary compatible. Most of syscalls/polling.go is included directly into syscalls/linux/sys_poll.go, as it can then operate directly on linux.PollFD. The additional syscalls.PollFD type is providing little value. I've also added explicit conversion functions for waiter.EventMask, which creates the possibility of a different binary format. PiperOrigin-RevId: 244042947 Change-Id: I24e5b642002a32b3afb95a9dcb80d4acd1288abf
2019-04-17Internal change.Googler
PiperOrigin-RevId: 244036529 Change-Id: I280f9632a65d2e40d844e0d5ec3a101d808434ee
2019-04-17Return error from fdbased.NewFabricio Voznika
RELNOTES: n/a PiperOrigin-RevId: 244031742 Change-Id: Id0cdb73194018fb5979e67b58510ead19b5a2b81
2019-04-11Format FDs in strace logsMichael Pratt
Normal files display their path in the current mount namespace: I0410 10:57:54.964196 216336 x:0] [ 1] ls X read(0x3 /proc/filesystems, 0x55cee3bdb2c0 "nodev\t9p\nnodev\tdevpts \nnodev\tdevtmpfs\nnodev\tproc\nnodev\tramdiskfs\nnodev\tsysfs\nnodev\ttmpfs\n", 0x1000) = 0x58 (24.462?s) AT_FDCWD includes the CWD: I0411 12:58:48.278427 1526 x:0] [ 1] stat_test E newfstatat(AT_FDCWD /home/prattmic, 0x55ea719b564e /proc/self, 0x7ef5cefc2be8, 0x0) Sockets (and other non-vfs files) display an inode number (like /proc/PID/fd): I0410 10:54:38.909123 207684 x:0] [ 1] nc E bind(0x3 socket:[1], 0x55b5a1652040 {Family: AF_INET, Addr: , Port: 8080}, 0x10) I also fixed a few syscall args that should be Path. PiperOrigin-RevId: 243169025 Change-Id: Ic7dda6a82ae27062fe2a4a371557acfd6a21fa2a
2019-04-11Use open fids when fstat()ing gofer files.Jamie Liu
PiperOrigin-RevId: 243018347 Change-Id: I1e5b80607c1df0747482abea61db7fcf24536d37
2019-04-10Internal changeMichael Pratt
PiperOrigin-RevId: 242978508 Change-Id: I0ea59ac5ba1dd499e87c53f2e24709371048679b
2019-04-10Fix uses of RootFromContext.Nicolas Lacasse
RootFromContext can return a dirent with reference taken, or nil. We must call DecRef if (and only if) a real dirent is returned. PiperOrigin-RevId: 242965515 Change-Id: Ie2b7b4cb19ee09b6ccf788b71f3fd7efcdf35a11
2019-04-10DATA RACE in fs.(*Dirent).fullNameYong He
add renameMu.Lock when oldParent == newParent in order to avoid data race in following report: WARNING: DATA RACE Read at 0x00c000ba2160 by goroutine 405: gvisor.googlesource.com/gvisor/pkg/sentry/fs.(*Dirent).fullName() pkg/sentry/fs/dirent.go:246 +0x6c gvisor.googlesource.com/gvisor/pkg/sentry/fs.(*Dirent).FullName() pkg/sentry/fs/dirent.go:356 +0x8b gvisor.googlesource.com/gvisor/pkg/sentry/kernel.(*FDMap).String() pkg/sentry/kernel/fd_map.go:135 +0x1e0 fmt.(*pp).handleMethods() GOROOT/src/fmt/print.go:603 +0x404 fmt.(*pp).printArg() GOROOT/src/fmt/print.go:686 +0x255 fmt.(*pp).doPrintf() GOROOT/src/fmt/print.go:1003 +0x33f fmt.Fprintf() GOROOT/src/fmt/print.go:188 +0x7f gvisor.googlesource.com/gvisor/pkg/log.(*Writer).Emit() pkg/log/log.go:121 +0x89 gvisor.googlesource.com/gvisor/pkg/log.GoogleEmitter.Emit() pkg/log/glog.go:162 +0x1acc gvisor.googlesource.com/gvisor/pkg/log.(*GoogleEmitter).Emit() <autogenerated>:1 +0xe1 gvisor.googlesource.com/gvisor/pkg/log.(*BasicLogger).Debugf() pkg/log/log.go:177 +0x111 gvisor.googlesource.com/gvisor/pkg/log.Debugf() pkg/log/log.go:235 +0x66 gvisor.googlesource.com/gvisor/pkg/sentry/kernel.(*Task).Debugf() pkg/sentry/kernel/task_log.go:48 +0xfe gvisor.googlesource.com/gvisor/pkg/sentry/kernel.(*Task).DebugDumpState() pkg/sentry/kernel/task_log.go:66 +0x11f gvisor.googlesource.com/gvisor/pkg/sentry/kernel.(*runApp).execute() pkg/sentry/kernel/task_run.go:272 +0xc80 gvisor.googlesource.com/gvisor/pkg/sentry/kernel.(*Task).run() pkg/sentry/kernel/task_run.go:91 +0x24b Previous write at 0x00c000ba2160 by goroutine 423: gvisor.googlesource.com/gvisor/pkg/sentry/fs.Rename() pkg/sentry/fs/dirent.go:1628 +0x61f gvisor.googlesource.com/gvisor/pkg/sentry/syscalls/linux.renameAt.func1.1() pkg/sentry/syscalls/linux/sys_file.go:1864 +0x1f8 gvisor.googlesource.com/gvisor/pkg/sentry/syscalls/linux.fileOpAt( gvisor.googlesource.com/g/linux/sys_file.go:51 +0x20f gvisor.googlesource.com/gvisor/pkg/sentry/syscalls/linux.renameAt.func1() pkg/sentry/syscalls/linux/sys_file.go:1852 +0x218 gvisor.googlesource.com/gvisor/pkg/sentry/syscalls/linux.fileOpAt() pkg/sentry/syscalls/linux/sys_file.go:51 +0x20f gvisor.googlesource.com/gvisor/pkg/sentry/syscalls/linux.renameAt() pkg/sentry/syscalls/linux/sys_file.go:1840 +0x180 gvisor.googlesource.com/gvisor/pkg/sentry/syscalls/linux.Rename() pkg/sentry/syscalls/linux/sys_file.go:1873 +0x60 gvisor.googlesource.com/gvisor/pkg/sentry/kernel.(*Task).executeSyscall() pkg/sentry/kernel/task_syscall.go:165 +0x17a gvisor.googlesource.com/gvisor/pkg/sentry/kernel.(*Task).doSyscallInvoke() pkg/sentry/kernel/task_syscall.go:283 +0xb4 gvisor.googlesource.com/gvisor/pkg/sentry/kernel.(*Task).doSyscallEnter() pkg/sentry/kernel/task_syscall.go:244 +0x10c gvisor.googlesource.com/gvisor/pkg/sentry/kernel.(*Task).doSyscall() pkg/sentry/kernel/task_syscall.go:219 +0x1e3 gvisor.googlesource.com/gvisor/pkg/sentry/kernel.(*runApp).execute() pkg/sentry/kernel/task_run.go:215 +0x15a9 gvisor.googlesource.com/gvisor/pkg/sentry/kernel.(*Task).run() pkg/sentry/kernel/task_run.go:91 +0x24b Reported-by: syzbot+e1babbf756fab380dfff@syzkaller.appspotmail.com Change-Id: Icd2620bb3ea28b817bf0672d454a22b9d8ee189a PiperOrigin-RevId: 242938741
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