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dependabot[bot]
2cb8c41adc build: Bump remain from 0.2.14 to 0.2.15 
Bumps [remain](https://github.com/dtolnay/remain) from 0.2.14 to 0.2.15.
- [Release notes](https://github.com/dtolnay/remain/releases)
- [Commits](https://github.com/dtolnay/remain/compare/0.2.14...0.2.15)

---
updated-dependencies:
- dependency-name: remain
  dependency-version: 0.2.15
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <support@github.com>
 2025-06-26 00:37:52 +00:00
Philipp Schuster
48b67ed03b net_util: code readability improvements 
Small cleanup to improve code readability.
Specifically, refactoring a huge loop body into
a function call.

Signed-off-by: Philipp Schuster <philipp.schuster@cyberus-technology.de>
On-behalf-of: SAP philipp.schuster@sap.com
 2025-06-25 16:22:16 +00:00
Philipp Schuster
e0f0065cbd net_util: improve Error types 
Signed-off-by: Philipp Schuster <philipp.schuster@cyberus-technology.de>
On-behalf-of: SAP philipp.schuster@sap.com
 2025-06-25 16:22:16 +00:00
dependabot[bot]
1866a85a3d build: Bump zerocopy from 0.8.24 to 0.8.26 
Bumps [zerocopy](https://github.com/google/zerocopy) from 0.8.24 to 0.8.26.
- [Release notes](https://github.com/google/zerocopy/releases)
- [Changelog](https://github.com/google/zerocopy/blob/main/CHANGELOG.md)
- [Commits](https://github.com/google/zerocopy/compare/v0.8.24...v0.8.26)

---
updated-dependencies:
- dependency-name: zerocopy
  dependency-version: 0.8.26
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <support@github.com>
 2025-06-25 10:07:20 +00:00
Hengqi Chen
8338fa642f net_util: Drop duplicated virtio_features_to_tap_offload 
The virtio_features_to_tap_offload() defined in ctrl_queue.rs
is duplicated. Remove it and use the one defined in lib.rs
instead.

Signed-off-by: Hengqi Chen <hengqi.chen@gmail.com>
 2025-06-24 17:43:22 +00:00
Wei Liu
a5287c6f67 build: Consolidate UUID crate to workspace 
Signed-off-by: Wei Liu <liuwe@microsoft.com>
 2025-06-24 16:50:35 +00:00
Philipp Schuster
fe07617f5d misc: add __pycache__ to gitignore 
Running `gitlint` locally produces a __pycache__ directory in
`scripts/gitlint/rules/`. It makes sense to exclude this directory.

Signed-off-by: Philipp Schuster <philipp.schuster@cyberus-technology.de>
On-behalf-of: SAP philipp.schuster@sap.com
 2025-06-24 11:22:00 +00:00
dependabot[bot]
1820c22ba4 build: Bump cc from 1.2.23 to 1.2.27 
Bumps [cc](https://github.com/rust-lang/cc-rs) from 1.2.23 to 1.2.27.
- [Release notes](https://github.com/rust-lang/cc-rs/releases)
- [Changelog](https://github.com/rust-lang/cc-rs/blob/main/CHANGELOG.md)
- [Commits](https://github.com/rust-lang/cc-rs/compare/cc-v1.2.23...cc-v1.2.27)

---
updated-dependencies:
- dependency-name: cc
  dependency-version: 1.2.27
  dependency-type: indirect
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <support@github.com>
 2025-06-24 04:25:02 +00:00
dependabot[bot]
f828e16d62 build: Bump syn from 2.0.87 to 2.0.104 
Bumps [syn](https://github.com/dtolnay/syn) from 2.0.87 to 2.0.104.
- [Release notes](https://github.com/dtolnay/syn/releases)
- [Commits](https://github.com/dtolnay/syn/compare/2.0.87...2.0.104)

---
updated-dependencies:
- dependency-name: syn
  dependency-version: 2.0.104
  dependency-type: indirect
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <support@github.com>
 2025-06-24 02:37:24 +00:00
Demi Marie Obenour
24998c1672 vmm: do not treat libc::MAP_FAILED as a pointer 
It will likely be safely rejected by the kernel, but it's still wrong.

Signed-off-by: Demi Marie Obenour <demiobenour@gmail.com>
 2025-06-23 09:06:32 +00:00
Wei Liu
821f7994fc build: Bump UUID crate to 1.17.0 
Signed-off-by: Wei Liu <liuwe@microsoft.com>
 2025-06-21 14:27:19 +00:00
Philipp Schuster
4182ef91e0 misc: remove once_cell; superseded by std::* 
We now have types in the Rust standard library.
Dropping the dependency.

I found this by using the `clippy::pedantic` group.

Signed-off-by: Philipp Schuster <philipp.schuster@cyberus-technology.de>
On-behalf-of: SAP philipp.schuster@sap.com
 2025-06-21 14:25:20 +00:00
Demi Marie Obenour
100c6d8142 docs: SGX virt changes are upstream 
Signed-off-by: Demi Marie Obenour <demiobenour@gmail.com>
 2025-06-20 10:21:04 +00:00
Demi Marie Obenour
269976c7b3 block: Remove unnecessary pointer indirection 
No functional change intended.

Signed-off-by: Demi Marie Obenour <demiobenour@gmail.com>
 2025-06-20 10:21:04 +00:00
Demi Marie Obenour
8769b78bf3 arch: x86_64: Require that types to be checksummed are ByteValued 
Checksumming a type that has padding would use the padding in the
checksum, which is definitely wrong and is often unsound.

Signed-off-by: Demi Marie Obenour <demiobenour@gmail.com>
 2025-06-20 10:21:04 +00:00
Philipp Schuster
a991de9955 vmm: streamline Display impl of Error types 
Streamlines the code base by using thiserror's #[error] attribute
consistently for implementing `Display`.

Signed-off-by: Philipp Schuster <philipp.schuster@cyberus-technology.de>
On-behalf-of: SAP philipp.schuster@sap.com
 2025-06-20 10:19:35 +00:00
dependabot[bot]
47c9ddfa7e build: Bump hashbrown from 0.15.2 to 0.15.4 
Bumps [hashbrown](https://github.com/rust-lang/hashbrown) from 0.15.2 to 0.15.4.
- [Release notes](https://github.com/rust-lang/hashbrown/releases)
- [Changelog](https://github.com/rust-lang/hashbrown/blob/master/CHANGELOG.md)
- [Commits](https://github.com/rust-lang/hashbrown/commits/v0.15.4)

---
updated-dependencies:
- dependency-name: hashbrown
  dependency-version: 0.15.4
  dependency-type: indirect
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <support@github.com>
 2025-06-17 01:49:45 +00:00
Bo Chen
2b05753716 ci: Update reference kernel to 'v6.12.8-20250613' 
This bump also includes another release 'ch-release-v6.12.8-20250422'
that changed the naming convention of the released kernel binaries
[1]. As a result, few changes are made to our integration tests and test
scripts.

[1] https://github.com/cloud-hypervisor/linux/releases/tag/ch-release-v6.12.8-20250422

Signed-off-by: Bo Chen <bchen@crusoe.ai>
 2025-06-16 17:59:22 +00:00
Yi Wang
80f4bfac00 block: keep lifetime consistent from input to output 
Cargo fuzz build report an error:
error: lifetime flowing from input to output with different syntax can be confusing
   --> /home/runner/work/cloud-hypervisor/cloud-hypervisor/block/src/lib.rs:747:13
    |
747 |     fn file(&mut self) -> MutexGuard<F>;
    |             ^^^^^^^^^     ------------- the lifetime gets resolved as `'_`
    |             |
    |             this lifetime flows to the output

error: lifetime flowing from input to output with different syntax can be confusing
  --> /home/runner/work/cloud-hypervisor/cloud-hypervisor/block/src/async_io.rs:68:11
   |
68 |     fn fd(&mut self) -> BorrowedDiskFd;
   |           ^^^^^^^^^     -------------- the lifetime gets resolved as `'_`
   |           |
   |           this lifetime flows to the output

Signed-off-by: Yi Wang <foxywang@tencent.com>
 2025-06-16 06:25:57 +00:00
dependabot[bot]
b26b09ec0c build: Bump crate-ci/typos from 1.32.0 to 1.33.1 
Bumps [crate-ci/typos](https://github.com/crate-ci/typos) from 1.32.0 to 1.33.1.
- [Release notes](https://github.com/crate-ci/typos/releases)
- [Changelog](https://github.com/crate-ci/typos/blob/master/CHANGELOG.md)
- [Commits](https://github.com/crate-ci/typos/compare/v1.32.0...v1.33.1)

---
updated-dependencies:
- dependency-name: crate-ci/typos
  dependency-version: 1.33.1
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <support@github.com>
 2025-06-14 00:42:13 +00:00
dependabot[bot]
39a6664e62 build: Bump event-listener from 5.3.1 to 5.4.0 
Bumps [event-listener](https://github.com/smol-rs/event-listener) from 5.3.1 to 5.4.0.
- [Release notes](https://github.com/smol-rs/event-listener/releases)
- [Changelog](https://github.com/smol-rs/event-listener/blob/master/CHANGELOG.md)
- [Commits](https://github.com/smol-rs/event-listener/compare/v5.3.1...v5.4.0)

---
updated-dependencies:
- dependency-name: event-listener
  dependency-version: 5.4.0
  dependency-type: indirect
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <support@github.com>
 2025-06-13 23:58:27 +00:00
Philipp Schuster
190a11f212 ch-remote: also pretty-print remote server errors 
Remote server errors are transferred as raw HTTP body. This way,
we lose the nested structured error information.

This is an attempt to retrieve the errors from the HTTP response
and to align the output with the normal error output.

For example, this produces the following chain of errors. Note
that everything after level 0 was retrieved from the HTTP server
response:

```
Error: ch-remote exited with the following chain of errors:
  0: http client error
  1: Server responded with InternalServerError
  2: Error from API
  3: The disk could not be added to the VM
  4: Failed to validate config
  5: Identifier disk1 is not unique

Debug Info: HttpApiClient(ServerResponse(InternalServerError, Some("Error from API<br>The disk could not be added to the VM<br>Failed to validate config<br>Identifier disk1 is not unique")))
```

In case the JSON can't be parsed properly, ch-remote will print:

```
Error: ch-remote exited with the following chain of errors:
  0: http client error
  X: Can't get remote's error messages from JSON response: EOF while parsing a value at line 1 column 0: body=''

Debug Info: HttpApiClient(ServerResponse(InternalServerError, Some("")))
```

Signed-off-by: Philipp Schuster <philipp.schuster@cyberus-technology.de>
On-behalf-of: SAP philipp.schuster@sap.com
 2025-06-13 19:55:54 +00:00
Philipp Schuster
6ea132708c vmm: use Error trait directly with Note for compiler bug 
While working on this, I found a subtle but severe compiler bug [0].
To fight the bug with explicitness rather than implicitness (to
prevent weird stuff in the future), this change is beneficial.

The bug is at least in Rust stable 1.34..1.87.

[0]: https://github.com/rust-lang/rust/issues/141673

Signed-off-by: Philipp Schuster <philipp.schuster@cyberus-technology.de>
On-behalf-of: SAP philipp.schuster@sap.com
 2025-06-13 19:55:54 +00:00
Philipp Schuster
060c9de07f vmm: introduce nice error messages on exit (CHV and ch-remote) 
With the foundations of each error type implementing std::error::Error,
we can now nicely walk the `.source()` chain and print an error trace.

This commit introduces improved user-facing error printing when:
- Cloud Hypervisor fails with an error
- ch-remote fails (client error)
- ch-remote fails (remote error)

The additional context is a clear improvement in UX for both users and
developers. In the following example, the new behaviour is shown for
a direct invocation of Cloud Hypervisor leading to a failure. This
looks similar for ch-remote.

```
Old Style
`target/release/cloud-hypervisor --api-socket /tmp/chv2.sock --kernel /etc/bootitems/linux/kernel_minimal/stable.bzImage --cmdline console=ttyS0 --serial tty --console off --disk path=img.raw --initramfs /etc/bootitems/linux/initrd_minimal/default`

Error booting VM: VmBoot(LockingError(BlockError(LockDiskImage(AlreadyLocked)))
```

```
`target/release/cloud-hypervisor --api-socket /tmp/chv2.sock --kernel /etc/bootitems/linux/kernel_minimal/stable.bzImage --cmdline console=ttyS0 --serial tty --console off --disk path=img.raw --initramfs
/etc/bootitems/linux/initrd_minimal/default`

Error: Cloud Hypervisor exited with the following chain of errors:
  0: Error booting VM
  1: The VM could not boot
  2: Error locking disk images: Another instance likely holds a lock
  3: Cannot lock images of all block devices
  4: Failed to get Write lock for disk image: ./img.raw
  5: The file is already locked

Debug Info: VmBoot(VmBoot(LockingError(DiskLockError(LockDiskImage { error: AlreadyLocked, lock_type: Write, path: "./raw_disk.bin" })))
```

Signed-off-by: Philipp Schuster <philipp.schuster@cyberus-technology.de>
On-behalf-of: SAP philipp.schuster@sap.com
 2025-06-13 19:55:54 +00:00
Philipp Schuster
1433763d40 misc: virtio-devices: manual adjustment of special case 
Signed-off-by: Philipp Schuster <philipp.schuster@cyberus-technology.de>
On-behalf-of: SAP philipp.schuster@sap.com
 2025-06-13 19:55:54 +00:00
Philipp Schuster
30ee2c129d misc: vm-migration: streamline error Display::fmt() 
The changes were mostly automatically applied using the Python
script mentioned in the first commit of this series.

Signed-off-by: Philipp Schuster <philipp.schuster@cyberus-technology.de>
On-behalf-of: SAP philipp.schuster@sap.com
 2025-06-13 19:55:54 +00:00
Philipp Schuster
9bf15ed280 misc: vhost_user_net: streamline error Display::fmt() 
The changes were mostly automatically applied using the Python
script mentioned in the first commit of this series.

Signed-off-by: Philipp Schuster <philipp.schuster@cyberus-technology.de>
On-behalf-of: SAP philipp.schuster@sap.com
 2025-06-13 19:55:54 +00:00
Philipp Schuster
ed63b352d1 misc: vhost_user_block: streamline error Display::fmt() 
The changes were mostly automatically applied using the Python
script mentioned in the first commit of this series.

Signed-off-by: Philipp Schuster <philipp.schuster@cyberus-technology.de>
On-behalf-of: SAP philipp.schuster@sap.com
 2025-06-13 19:55:54 +00:00
Philipp Schuster
8e2973fe7c misc: virtio-devices: streamline error Display::fmt() 
The changes were mostly automatically applied using the Python
script mentioned in the first commit of this series.

Signed-off-by: Philipp Schuster <philipp.schuster@cyberus-technology.de>
On-behalf-of: SAP philipp.schuster@sap.com
 2025-06-13 19:55:54 +00:00
Philipp Schuster
3541cebbf1 misc: tpm: streamline error Display::fmt() 
The changes were mostly automatically applied using the Python
script mentioned in the first commit of this series.

Signed-off-by: Philipp Schuster <philipp.schuster@cyberus-technology.de>
On-behalf-of: SAP philipp.schuster@sap.com
 2025-06-13 19:55:54 +00:00
Philipp Schuster
1ede418dcc misc: test_infra: streamline error Display::fmt() 
The changes were mostly automatically applied using the Python
script mentioned in the first commit of this series.

Signed-off-by: Philipp Schuster <philipp.schuster@cyberus-technology.de>
On-behalf-of: SAP philipp.schuster@sap.com
 2025-06-13 19:55:54 +00:00
Philipp Schuster
1b03e59152 misc: streamline error Display::fmt() 
The changes were mostly automatically applied using the Python
script mentioned in the first commit of this series.

Signed-off-by: Philipp Schuster <philipp.schuster@cyberus-technology.de>
On-behalf-of: SAP philipp.schuster@sap.com
 2025-06-13 19:55:54 +00:00
Philipp Schuster
8f56de713b misc: rate_limiter: streamline error Display::fmt() 
The changes were mostly automatically applied using the Python
script mentioned in the first commit of this series.

Signed-off-by: Philipp Schuster <philipp.schuster@cyberus-technology.de>
On-behalf-of: SAP philipp.schuster@sap.com
 2025-06-13 19:55:54 +00:00
Philipp Schuster
2100d8c30f misc: performance-metrics: streamline error Display::fmt() 
The changes were mostly automatically applied using the Python
script mentioned in the first commit of this series.

Signed-off-by: Philipp Schuster <philipp.schuster@cyberus-technology.de>
On-behalf-of: SAP philipp.schuster@sap.com
 2025-06-13 19:55:54 +00:00
Philipp Schuster
a3692144f0 misc: pci: streamline error Display::fmt() 
The changes were mostly automatically applied using the Python
script mentioned in the first commit of this series.

Signed-off-by: Philipp Schuster <philipp.schuster@cyberus-technology.de>
On-behalf-of: SAP philipp.schuster@sap.com
 2025-06-13 19:55:54 +00:00
Philipp Schuster
192b19c060 misc: option_parser: streamline error Display::fmt() 
The changes were mostly automatically applied using the Python
script mentioned in the first commit of this series.

Signed-off-by: Philipp Schuster <philipp.schuster@cyberus-technology.de>
On-behalf-of: SAP philipp.schuster@sap.com
 2025-06-13 19:55:54 +00:00
Philipp Schuster
67896333e3 misc: net_util: streamline error Display::fmt() 
The changes were mostly automatically applied using the Python
script mentioned in the first commit of this series.

Signed-off-by: Philipp Schuster <philipp.schuster@cyberus-technology.de>
On-behalf-of: SAP philipp.schuster@sap.com
 2025-06-13 19:55:54 +00:00
Philipp Schuster
72c8178335 misc: hypervisor: streamline error Display::fmt() 
The changes were mostly automatically applied using the Python
script mentioned in the first commit of this series.

Signed-off-by: Philipp Schuster <philipp.schuster@cyberus-technology.de>
On-behalf-of: SAP philipp.schuster@sap.com
 2025-06-13 19:55:54 +00:00
Philipp Schuster
1b91aa8ef3 misc: devices: streamline error Display::fmt() 
The changes were mostly automatically applied using the Python
script mentioned in the first commit of this series.

Signed-off-by: Philipp Schuster <philipp.schuster@cyberus-technology.de>
On-behalf-of: SAP philipp.schuster@sap.com
 2025-06-13 19:55:54 +00:00
Philipp Schuster
5711f31995 misc: ch-remote: streamline error Display::fmt() 
The changes were mostly automatically applied using the Python
script mentioned in the first commit of this series.

Signed-off-by: Philipp Schuster <philipp.schuster@cyberus-technology.de>
On-behalf-of: SAP philipp.schuster@sap.com
 2025-06-13 19:55:54 +00:00
Philipp Schuster
aebbd1aecd misc: block: streamline error Display::fmt() 
The changes were mostly automatically applied using the Python
script mentioned in the first commit of this series.

Signed-off-by: Philipp Schuster <philipp.schuster@cyberus-technology.de>
On-behalf-of: SAP philipp.schuster@sap.com
 2025-06-13 19:55:54 +00:00
Philipp Schuster
06a868cb85 misc: arch: streamline error Display::fmt() 
The changes were mostly automatically applied using the Python
script mentioned in the first commit of this series.

Signed-off-by: Philipp Schuster <philipp.schuster@cyberus-technology.de>
On-behalf-of: SAP philipp.schuster@sap.com
 2025-06-13 19:55:54 +00:00
Philipp Schuster
3f3489e38e misc: api_client: streamline error Display::fmt() 
The changes were mostly automatically applied using the Python
script mentioned in the first commit of this series.

Signed-off-by: Philipp Schuster <philipp.schuster@cyberus-technology.de>
On-behalf-of: SAP philipp.schuster@sap.com
 2025-06-13 19:55:54 +00:00
Philipp Schuster
d7edd9d51f misc: vmm: streamline error Display::fmt() 
The changes were mostly automatically applied using the following
Python script:

```python
import os, re

for root, _, files in os.walk("."):
    for f in files:
        if not f.endswith(".rs"):
            continue
        p = os.path.join(root, f)
        with open(p, "r", encoding="utf-8") as file:
            lines = file.readlines()
        changed = False
        for i in range(len(lines) - 1):
            if re.search(r'#\[error\(".*: \{0[^}]*\}"\)\]', lines[i]) and "#[source]" in lines[i + 1].strip():
                lines[i] = re.sub(r': \{0[^}]*\}"\)\]', '")]', lines[i])
                changed = True
        if changed:
            with open(p, "w", encoding="utf-8") as file:
                file.writelines(lines)
            print("Fixed:", p)
```

Signed-off-by: Philipp Schuster <philipp.schuster@cyberus-technology.de>
On-behalf-of: SAP philipp.schuster@sap.com

# Conflicts:
#	vmm/src/api/http/mod.rs
 2025-06-13 19:55:54 +00:00
Philipp Schuster
4987d63b6a vmm: fix typo 
Signed-off-by: Philipp Schuster <philipp.schuster@cyberus-technology.de>
On-behalf-of: SAP philipp.schuster@sap.com
 2025-06-13 19:55:54 +00:00
Philipp Schuster
53e9c94e68 tests: cleanup test_util module 
We can remove the `tests` module as the entire file is only
available when running tests.

Follow-up of #7130 / 1f13165fae.

Signed-off-by: Philipp Schuster <philipp.schuster@cyberus-technology.de>
On-behalf-of: SAP philipp.schuster@sap.com
 2025-06-13 19:02:39 +00:00
dependabot[bot]
9d8bda20e5 build: Bump object from 0.36.5 to 0.36.7 
Bumps [object](https://github.com/gimli-rs/object) from 0.36.5 to 0.36.7.
- [Changelog](https://github.com/gimli-rs/object/blob/master/CHANGELOG.md)
- [Commits](https://github.com/gimli-rs/object/compare/0.36.5...0.36.7)

---
updated-dependencies:
- dependency-name: object
  dependency-version: 0.36.7
  dependency-type: indirect
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <support@github.com>
 2025-06-13 00:25:40 +00:00
dependabot[bot]
63d7f562e5 build: Bump houseabsolute/actions-rust-cross from 0 to 1 
Bumps [houseabsolute/actions-rust-cross](https://github.com/houseabsolute/actions-rust-cross) from 0 to 1.
- [Release notes](https://github.com/houseabsolute/actions-rust-cross/releases)
- [Changelog](https://github.com/houseabsolute/actions-rust-cross/blob/v1/Changes.md)
- [Commits](https://github.com/houseabsolute/actions-rust-cross/compare/v0...v1)

---
updated-dependencies:
- dependency-name: houseabsolute/actions-rust-cross
  dependency-version: '1'
  dependency-type: direct:production
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <support@github.com>
 2025-06-13 00:09:49 +00:00
Philipp Schuster
9bd9c0cb71 misc: replace manual From<T> for *Error with #[from] 
This is a small simplification we can use since we use `thiserror`
anyway. Note that `#[from]` implies `#[source]` [0].

[0]: https://docs.rs/thiserror/2.0.12/thiserror/index.html

Signed-off-by: Philipp Schuster <philipp.schuster@cyberus-technology.de>
On-behalf-of: SAP philipp.schuster@sap.com
 2025-06-12 15:55:54 +00:00
Philipp Schuster
d594107c0d ch-remote: sort all commands and args alphabetically 
Having them sorted alphabetically makes more sense since there are
already many, and the list is growing. This improves the UX for users
and developers.

Signed-off-by: Philipp Schuster <philipp.schuster@cyberus-technology.de>
On-behalf-of: SAP philipp.schuster@sap.com
 2025-06-12 13:53:55 +00:00