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PiperOrigin-RevId: 238474202
Change-Id: Ib8c431e973e8cf1e1c8ee2f8c1978ddb8e88b0b8
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PiperOrigin-RevId: 238467634
Change-Id: If4cd8efff7386fbee1195f051d15549b495910a9
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This is in preparation for improved page cache reclaim, which requires
greater integration between the page cache and page allocator.
PiperOrigin-RevId: 238444706
Change-Id: Id24141b3678d96c7d7dc24baddd9be555bffafe4
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p9.Twalk.handle() with a non-empty path also stats the walked-to path
anyway, so the preceding GetAttr is completely wasted.
PiperOrigin-RevId: 238440645
Change-Id: I7fbc7536f46b8157639d0d1f491e6aaa9ab688a3
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PiperOrigin-RevId: 238360231
Change-Id: I5eaf8d26f8892f77d71c7fbd6c5225ef471cedf1
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PiperOrigin-RevId: 238336475
Change-Id: I8131e04699028246ebc233953ebb3feca5673940
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Previous memory allocation was excessive (80 MB). Changed
it to use 2 MB instead. There is no drop in perfomance due
to this change:
ab -n 100 -c 10 http://server/latin10m.txt ==> 10 MB file
80 MB: 178 MB/s
2 MB: 181 MB/s
PiperOrigin-RevId: 238321594
Change-Id: I1c8aed13cad5d75f4506d2b406b305117055fbe5
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Signed-off-by: Bin Lu <bin.lu@arm.com>
mpratt@google.com: matched against just x86_64, since that's all we care about.
Change-Id: I1320ef31cef6517bf6121a933cc105f2ac548ec8
PiperOrigin-RevId: 238294240
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gonet.PacketConn now implements net.Conn, allowing it to be returned from
net.Dial.Dialer functions.
PiperOrigin-RevId: 238111980
Change-Id: I174884385ff4d9b8e9918fac7bbb5b93ca366ba7
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HandleLocal is very similar conceptually to MULTICAST_LOOP, so we can unify
the implementations. This has the benefit of making HandleLocal apply even when
the fdbased link endpoint isn't in use.
In addition, move looping logic to route creation so that it doesn't need to be
run for each packet. This should improve performance.
PiperOrigin-RevId: 238099480
Change-Id: I72839f16f25310471453bc9d3fb8544815b25c23
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- Redefine some memmap.Mappable, platform.File, and platform.Memory
semantics in terms of File reference counts (no functional change).
- Make AddressSpace.MapFile take a platform.File instead of a raw FD,
and replace platform.File.MapInto with platform.File.FD. This allows
kvm.AddressSpace.MapFile to always use platform.File.MapInternal instead
of maintaining its own (redundant) cache of file mappings in the sentry
address space.
PiperOrigin-RevId: 238044504
Change-Id: Ib73a11e4275c0da0126d0194aa6c6017a9cef64f
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PiperOrigin-RevId: 237927368
Change-Id: I359badd1967bb118fe74eab3282c946c18937edc
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It isn't required with a new vm image.
PiperOrigin-RevId: 237915203
Change-Id: I813e7f1801d0766cec598413718e5ddd4c3d8cdf
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Example:
runsc debug --root=<dir> \
--profile-heap=/tmp/heap.prof \
--profile-cpu=/tmp/cpu.prod --profile-delay=30 \
<container ID>
PiperOrigin-RevId: 237848456
Change-Id: Icff3f20c1b157a84d0922599eaea327320dad773
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getsockopt(IP_MULTICAST_IF) only supports struct in_addr.
Also adds support for setsockopt(IP_MULTICAST_IF) with struct in_addr.
PiperOrigin-RevId: 237620230
Change-Id: I75e7b5b3e08972164eb1906f43ddd67aedffc27c
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This is the correct Linux behavior, and at least PHP depends on it.
PiperOrigin-RevId: 237565639
Change-Id: I931af09c8ed99a842cf70d22bfe0b65e330c4137
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PiperOrigin-RevId: 237559843
Change-Id: I93a9d83a08cd3d49d5fc7fcad5b0710d0aa04aaa
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IP_MULTICAST_LOOP controls whether or not multicast packets sent on the default
route are looped back. In order to implement this switch, support for sending
and looping back multicast packets on the default route had to be implemented.
For now we only support IPv4 multicast.
PiperOrigin-RevId: 237534603
Change-Id: I490ac7ff8e8ebef417c7eb049a919c29d156ac1c
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* open_create_test_runsc_ptrace_shared doesn't expect the write access to /
* exec_test_runsc_ptrace_shared could not find /usr/share/zoneinfo/
* clock_gettime_test_runsc_ptrace_shared didn't expect that
a thread cpu time can be zero.
* affinity_test_runsc_ptrace_shared expected minimum 3 cpus
PiperOrigin-RevId: 237509429
Change-Id: I477937e5d2cdf3f8720836bfa972abd35d8220a3
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Fixes #134
PiperOrigin-RevId: 237128306
Change-Id: I396e808484c18931fc5775970ec1f5ae231e1cb9
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Now that tests aren't running in parallel, this test occassionally
takes too long and times out.
PiperOrigin-RevId: 237106971
Change-Id: I195a4b77315c9f5511c9e8ffadddb7aaa78beafd
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ScopedSigaction is not async-signal-safe, so it cannot be used after fork.
Replace it with plain sigaction, which is safe. This is in a unique child
anyways, so it doesn't need any cleanup.
PiperOrigin-RevId: 237102411
Change-Id: I5c6ea373bbac67b9c4db204ceb1db62d338d9178
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It is Implemented without the priority inheritance part given
that gVisor defers scheduling decisions to Go runtime and doesn't
have control over it.
PiperOrigin-RevId: 236989545
Change-Id: I714c8ca0798743ecf3167b14ffeb5cd834302560
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This help troubleshoot cases where the container is killed and the
app logs don't show the reason.
PiperOrigin-RevId: 236982883
Change-Id: I361892856a146cea5b04abaa3aedbf805e123724
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PiperOrigin-RevId: 236945145
Change-Id: I051760d95154ea5574c8bb6aea526f488af5e07b
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PiperOrigin-RevId: 236926132
Change-Id: I5cf103f22766e6e65a581de780c7bb9ca0fa3181
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Tests using DisableSave because a portion of the test is *incompatible*
with S/R clearly cannot use random S/R, as the saves may occur in the
DisableSave critical section.
Most such tests already have NoRandomSave. Add it to the rest.
PiperOrigin-RevId: 236914708
Change-Id: Iee1cf044cfa7cb8d5aba21ddc130926218210c48
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Clean up some error handling, and add TODO explaining incorrect
behaviour with respect to broadcast on interfaces lacking an IP
address.
PiperOrigin-RevId: 236756233
Change-Id: I9662e7dc062c90565a32a3e153c4dbc98c55b522
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PiperOrigin-RevId: 236752802
Change-Id: I9e50600b2ae25d5f2ac632c4405a7a185bdc3c92
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PiperOrigin-RevId: 236745227
Change-Id: Icddfdebe1f6c56bb95a7839b48773fca6794bad8
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When run in parallel, multicast packets can be received by the wrong test. The
tests in the target are run in an isolated network namespace, but if
parallelism is enabled, multiple tests from the same target will run in
parallel within the target's network namespace. Disabling parallelism only
allows one test to run in the network namespace at a time, which prevents
interaction.
PiperOrigin-RevId: 236709160
Change-Id: If828db44f0ae4002af36de6097866137c8d9da5c
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There is no need to run the simple tests with RBE.
PiperOrigin-RevId: 236682573
Change-Id: I6c7fa25a33ef5e4d0b2cc2badc12ff9e1a70f015
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Now that we have SO_BROADCAST, we don't need (some of) the hackery in the DHCP
client. This also fixes a bizarre regression observed in Fuchsia where DHCP
acquisition was taking over two minutes.
PiperOrigin-RevId: 236661954
Change-Id: Ibcfe5d311fa5df8ff4ff2e40ccedffe91f92daa5
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The globalPool uses a sync.Once mechanism for initialization,
and no cleanup is strictly required. It's not really feasible
to have the platform implement a full creation -> destruction
cycle (due to the way filters are assumed to be installed), so
drop the FIXME.
PiperOrigin-RevId: 236385278
Change-Id: I98ac660ed58cc688d8a07147d16074a3e8181314
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To do so, we must add the ability to add tags to the syscall tests.
PiperOrigin-RevId: 236380371
Change-Id: I76d15feb2700f20115b27aab362a88cebe8c7a6a
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PiperOrigin-RevId: 236352158
Change-Id: Ide5104620999eaef6820917505e7299c7b0c5a03
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Also added unimplemented notification for semctl(2)
commands.
PiperOrigin-RevId: 236340672
Change-Id: I0795e3bd2e6d41d7936fabb731884df426a42478
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I0225 15:32:10.795034 4166 x:0] [ 6] E capget(0x7f477fdff8c8 {Version: 3, Pid: 0}, 0x7f477fdff8b0)
I0225 15:32:10.795059 4166 x:0] [ 6] X capget(0x7f477fdff8c8 {Version: 3, Pid: 0}, 0x7f477fdff8b0 {Permitted: CAP_CHOWN|CAP_DAC_OVERRIDE|CAP_DAC_READ_SEARCH|CAP_FOWNER|CAP_FSETID|CAP_KILL|CAP_SETGID|CAP_SETUID|CAP_SETPCAP|CAP_LINUX_IMMUTABLE|CAP_NET_BIND_SERVICE|CAP_NET_BROADCAST|CAP_NET_ADMIN|CAP_NET_RAW|CAP_IPC_LOCK|CAP_IPC_OWNER|CAP_SYS_MODULE|CAP_SYS_RAWIO|CAP_SYS_CHROOT|CAP_SYS_PTRACE|CAP_SYS_PACCT|CAP_SYS_ADMIN|CAP_SYS_BOOT|CAP_SYS_NICE|CAP_SYS_RESOURCE|CAP_SYS_TIME|CAP_SYS_TTY_CONFIG|CAP_MKNOD|CAP_LEASE|CAP_AUDIT_WRITE|CAP_AUDIT_CONTROL|CAP_SETFCAP|CAP_MAC_OVERRIDE|CAP_MAC_ADMIN|CAP_SYSLOG|CAP_WAKE_ALARM|CAP_BLOCK_SUSPEND|CAP_AUDIT_READ, Inheritable: CAP_CHOWN|CAP_DAC_OVERRIDE|CAP_DAC_READ_SEARCH|CAP_FOWNER|CAP_FSETID|CAP_KILL|CAP_SETGID|CAP_SETUID|CAP_SETPCAP|CAP_LINUX_IMMUTABLE|CAP_NET_BIND_SERVICE|CAP_NET_BROADCAST|CAP_NET_ADMIN|CAP_NET_RAW|CAP_IPC_LOCK|CAP_IPC_OWNER|CAP_SYS_MODULE|CAP_SYS_RAWIO|CAP_SYS_CHROOT|CAP_SYS_PTRACE|CAP_SYS_PACCT|CAP_SYS_ADMIN|CAP_SYS_BOOT|CAP_SYS_NICE|CAP_SYS_RESOURCE|CAP_SYS_TIME|CAP_SYS_TTY_CONFIG|CAP_MKNOD|CAP_LEASE|CAP_AUDIT_WRITE|CAP_AUDIT_CONTROL|CAP_SETFCAP|CAP_MAC_OVERRIDE|CAP_MAC_ADMIN|CAP_SYSLOG|CAP_WAKE_ALARM|CAP_BLOCK_SUSPEND|CAP_AUDIT_READ, Effective: 0x0}) = 0x0 (3.399?s)
I0225 15:32:10.795114 4166 x:0] [ 6] E capset(0x7f477fdff8c8 {Version: 3, Pid: 0}, 0x7f477fdff8b0 {Permitted: CAP_CHOWN|CAP_DAC_OVERRIDE|CAP_DAC_READ_SEARCH|CAP_FOWNER|CAP_FSETID|CAP_KILL|CAP_SETGID|CAP_SETUID|CAP_SETPCAP|CAP_LINUX_IMMUTABLE|CAP_NET_BIND_SERVICE|CAP_NET_BROADCAST|CAP_NET_ADMIN|CAP_NET_RAW|CAP_IPC_LOCK|CAP_IPC_OWNER|CAP_SYS_MODULE|CAP_SYS_RAWIO|CAP_SYS_CHROOT|CAP_SYS_PTRACE|CAP_SYS_PACCT|CAP_SYS_ADMIN|CAP_SYS_BOOT|CAP_SYS_NICE|CAP_SYS_RESOURCE|CAP_SYS_TIME|CAP_SYS_TTY_CONFIG|CAP_MKNOD|CAP_LEASE|CAP_AUDIT_WRITE|CAP_AUDIT_CONTROL|CAP_SETFCAP|CAP_MAC_OVERRIDE|CAP_MAC_ADMIN|CAP_SYSLOG|CAP_WAKE_ALARM|CAP_BLOCK_SUSPEND|CAP_AUDIT_READ, Inheritable: CAP_CHOWN|CAP_DAC_OVERRIDE|CAP_DAC_READ_SEARCH|CAP_FOWNER|CAP_FSETID|CAP_KILL|CAP_SETGID|CAP_SETUID|CAP_SETPCAP|CAP_LINUX_IMMUTABLE|CAP_NET_BIND_SERVICE|CAP_NET_BROADCAST|CAP_NET_ADMIN|CAP_NET_RAW|CAP_IPC_LOCK|CAP_IPC_OWNER|CAP_SYS_MODULE|CAP_SYS_RAWIO|CAP_SYS_CHROOT|CAP_SYS_PTRACE|CAP_SYS_PACCT|CAP_SYS_ADMIN|CAP_SYS_BOOT|CAP_SYS_NICE|CAP_SYS_RESOURCE|CAP_SYS_TIME|CAP_SYS_TTY_CONFIG|CAP_MKNOD|CAP_LEASE|CAP_AUDIT_WRITE|CAP_AUDIT_CONTROL|CAP_SETFCAP|CAP_MAC_OVERRIDE|CAP_MAC_ADMIN|CAP_SYSLOG|CAP_WAKE_ALARM|CAP_BLOCK_SUSPEND|CAP_AUDIT_READ, Effective: CAP_FOWNER})
I0225 15:32:10.795127 4166 x:0] [ 6] X capset(0x7f477fdff8c8 {Version: 3, Pid: 0}, 0x7f477fdff8b0 {Permitted: CAP_CHOWN|CAP_DAC_OVERRIDE|CAP_DAC_READ_SEARCH|CAP_FOWNER|CAP_FSETID|CAP_KILL|CAP_SETGID|CAP_SETUID|CAP_SETPCAP|CAP_LINUX_IMMUTABLE|CAP_NET_BIND_SERVICE|CAP_NET_BROADCAST|CAP_NET_ADMIN|CAP_NET_RAW|CAP_IPC_LOCK|CAP_IPC_OWNER|CAP_SYS_MODULE|CAP_SYS_RAWIO|CAP_SYS_CHROOT|CAP_SYS_PTRACE|CAP_SYS_PACCT|CAP_SYS_ADMIN|CAP_SYS_BOOT|CAP_SYS_NICE|CAP_SYS_RESOURCE|CAP_SYS_TIME|CAP_SYS_TTY_CONFIG|CAP_MKNOD|CAP_LEASE|CAP_AUDIT_WRITE|CAP_AUDIT_CONTROL|CAP_SETFCAP|CAP_MAC_OVERRIDE|CAP_MAC_ADMIN|CAP_SYSLOG|CAP_WAKE_ALARM|CAP_BLOCK_SUSPEND|CAP_AUDIT_READ, Inheritable: CAP_CHOWN|CAP_DAC_OVERRIDE|CAP_DAC_READ_SEARCH|CAP_FOWNER|CAP_FSETID|CAP_KILL|CAP_SETGID|CAP_SETUID|CAP_SETPCAP|CAP_LINUX_IMMUTABLE|CAP_NET_BIND_SERVICE|CAP_NET_BROADCAST|CAP_NET_ADMIN|CAP_NET_RAW|CAP_IPC_LOCK|CAP_IPC_OWNER|CAP_SYS_MODULE|CAP_SYS_RAWIO|CAP_SYS_CHROOT|CAP_SYS_PTRACE|CAP_SYS_PACCT|CAP_SYS_ADMIN|CAP_SYS_BOOT|CAP_SYS_NICE|CAP_SYS_RESOURCE|CAP_SYS_TIME|CAP_SYS_TTY_CONFIG|CAP_MKNOD|CAP_LEASE|CAP_AUDIT_WRITE|CAP_AUDIT_CONTROL|CAP_SETFCAP|CAP_MAC_OVERRIDE|CAP_MAC_ADMIN|CAP_SYSLOG|CAP_WAKE_ALARM|CAP_BLOCK_SUSPEND|CAP_AUDIT_READ, Effective: CAP_FOWNER}) = 0x0 (3.062?s)
Not the most readable, but better than just a pointer.
PiperOrigin-RevId: 236338875
Change-Id: I4b83f778122ab98de3874e16f4258dae18da916b
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PiperOrigin-RevId: 236239090
Change-Id: I92e63d6f4b52b78852626c87743fdd86175e09d3
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Remove allocation from vCPU.die() to save stack space.
Closes #131
PiperOrigin-RevId: 236238102
Change-Id: Iafca27a1a3a472d4cb11dcda9a2060e585139d11
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Current procfs has some bugs. After executing ls twice, many dirs come
out with same name like "1" or ".". Files like "cpuinfo" disappear.
Here variable names is a slice with cap() > len(). Sort after appending
to it will not alloc a new space and impact orignal slice. Same to m.
Signed-off-by: Ruidong Cao <crdfrank@gmail.com>
Change-Id: I83e5cd1c7968c6fe28c35ea4fee497488d4f9eef
PiperOrigin-RevId: 236222270
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PiperOrigin-RevId: 236218980
Change-Id: I82cb4aeb2a56524ee1324bfea2ad41dce26db354
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...in accordance with RFCs 1112 and 2464.
Fixes IPv4 multicast when IP_MULTICAST_IF is specified.
Don't return ErrNoRoute when no route is needed.
Don't set Route.NextHop when no route is needed.
PiperOrigin-RevId: 236199813
Change-Id: I48ed33e1b7f760deaa37e18ad7f1b8b62819ab43
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fsutil.SyncDirtyAll mutates the DirtySet.
PiperOrigin-RevId: 236183349
Change-Id: I7e809d5b406ac843407e61eff17d81259a819b4f
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The specific issue was:
- Test creates a raw ICMP socket
- Test sends an ICMP echo request (aka ping request) to itself via loopback
- Now two events race:
- The raw socket recieves the ICMP echo request
- Netstack receives the request and generates a reply (aka ping reply),
which it sends back over loopback, where it is eventually received by the
raw socket
- The test was written to expect packets in a specific order, but they can
come in any order.
PiperOrigin-RevId: 236179066
Change-Id: I02c07c919d3d28093add3d18dd9196fbbc870813
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Broadly, this change:
* Enables sockets to be created via `socket(AF_INET, SOCK_RAW, IPPROTO_ICMP)`.
* Passes the network-layer (IP) header up the stack to the transport endpoint,
which can pass it up to the socket layer. This allows a raw socket to return
the entire IP packet to users.
* Adds functions to stack.TransportProtocol, stack.Stack, stack.transportDemuxer
that enable incoming packets to be delivered to raw endpoints. New raw sockets
of other protocols (not ICMP) just need to register with the stack.
* Enables ping.endpoint to return IP headers when created via SOCK_RAW.
PiperOrigin-RevId: 235993280
Change-Id: I60ed994f5ff18b2cbd79f063a7fdf15d093d845a
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PiperOrigin-RevId: 235940853
Change-Id: I9c5b4cf18b199fb74044a5edb131bfff59dec945
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Needed to mount inside /proc or /sys.
PiperOrigin-RevId: 235936529
Change-Id: Iee6f2671721b1b9b58a3989705ea901322ec9206
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PiperOrigin-RevId: 235818534
Change-Id: I99f7e3fd1dc808b35f7a08b96b7c3226603ab808
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There was a minor bug whth IsPosixErrorOkAndHoldsMatcher where
it wouldn't display the actual value contained. This fixes that
and adds a few other minor improvements.
PiperOrigin-RevId: 235809065
Change-Id: I487e5072e9569eb06104522963e9a1b34204daaf
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