[clang] [clang] Emit -Wdangling diagnoses for cases where a gsl-pointer is construct from a gsl-owner object in a container. (PR #104556)

Fri Sep 6 04:46:08 PDT 2024

llvm-ci wrote:

LLVM Buildbot has detected a new failure on builder `sanitizer-x86_64-linux-qemu` running on `sanitizer-buildbot4` while building `clang` at step 2 "annotate".

Full details are available at: https://lab.llvm.org/buildbot/#/builders/139/builds/3380

<details>
<summary>Here is the relevant piece of the build log for the reference</summary>

```
Step 2 (annotate) failure: 'python ../sanitizer_buildbot/sanitizers/zorg/buildbot/builders/sanitizers/buildbot_selector.py' (failure) (timed out)
...
[    5.134722] pci_bus 0000:00: root bus resource [mem 0x000a0000-0x000bffff window]
[    5.134722] pci_bus 0000:00: root bus resource [mem 0x80000000-0xafffffff window]
[    5.134722] pci_bus 0000:00: root bus resource [mem 0xc0000000-0xfebfffff window]
[    5.134722] pci_bus 0000:00: root bus resource [mem 0x480000000-0xc7fffffff window]
[    5.135722] pci_bus 0000:00: root bus resource [bus 00-ff]
[    5.143722] pci 0000:00:00.0: [8086:29c0] type 00 class 0x060000 conventional PCI endpoint
[    5.171994] pci 0000:00:01.0: [1234:1111] type 00 class 0x030000 conventional PCI endpoint
[    5.175170] pci 0000:00:01.0: BAR 0 [mem 0xfd000000-0xfdffffff pref]
[    5.176722] pci 0000:00:01.0: BAR 2 [mem 0xfebf0000-0xfebf0fff]
+ ssh -p 9837 -o StrictHostKeyChecking=no -o UserKnownHostsFile=/dev/null -o ControlPersist=30m -M -S /home/b/sanitizer-x86_64-linux-qemu/build/qemu_tmp/ssh-control-socket -i /home/b/qemu_image/debian.id_rsa root at localhost 'uname -a'
command timed out: 1200 seconds without output running [b'python', b'../sanitizer_buildbot/sanitizers/zorg/buildbot/builders/sanitizers/buildbot_selector.py'], attempting to kill
process killed by signal 9
program finished with exit code -1
elapsedTime=3970.558748
Step 29 (start LAM QEMU) failure: start LAM QEMU (failure)
...
[    4.797722] NET: Registered PF_NETLINK/PF_ROUTE protocol family
[    4.805401] audit: initializing netlink subsys (disabled)
[    4.812804] audit: type=2000 audit(1725621947.833:1): state=initialized audit_enabled=0 res=1
[    4.818022] thermal_sys: Registered thermal governor 'step_wise'
[    4.818835] thermal_sys: Registered thermal governor 'user_space'
[    4.825948] cpuidle: using governor menu
[    4.849832] PCI: ECAM [mem 0xb0000000-0xbfffffff] (base 0xb0000000) for domain 0000 [bus 00-ff]
[    4.851722] PCI: ECAM [mem 0xb0000000-0xbfffffff] reserved as E820 entry
[    4.852722] PCI: Using configuration type 1 for base access
[    4.854139] mtrr: your CPUs had inconsistent fixed MTRR settings
[    4.854825] mtrr: your CPUs had inconsistent variable MTRR settings
[    4.855174] mtrr: your CPUs had inconsistent MTRRdefType settings
[    4.855646] mtrr: probably your BIOS does not setup all CPUs.
[    4.855783] mtrr: corrected configuration.
[    4.866034] kprobes: kprobe jump-optimization is enabled. All kprobes are optimized if possible.
[    4.884278] HugeTLB: registered 2.00 MiB page size, pre-allocated 0 pages
[    4.884722] HugeTLB: 28 KiB vmemmap can be freed for a 2.00 MiB page
[    4.900680] ACPI: Added _OSI(Module Device)
[    4.900722] ACPI: Added _OSI(Processor Device)
[    4.900722] ACPI: Added _OSI(3.0 _SCP Extensions)
[    4.900722] ACPI: Added _OSI(Processor Aggregator Device)
[    4.933185] ACPI: 1 ACPI AML tables successfully acquired and loaded
[    4.984496] ACPI: Interpreter enabled
[    4.987722] ACPI: PM: (supports S0 S3 S4 S5)
[    4.988809] ACPI: Using IOAPIC for interrupt routing
[    4.990722] PCI: Using host bridge windows from ACPI; if necessary, use "pci=nocrs" and report a bug
[    4.990722] PCI: Using E820 reservations for host bridge windows
[    4.994722] ACPI: Enabled 2 GPEs in block 00 to 3F
[    5.112119] ACPI: PCI Root Bridge [PCI0] (domain 0000 [bus 00-ff])
[    5.112722] acpi PNP0A08:00: _OSC: OS supports [ExtendedConfig ASPM ClockPM Segments MSI HPX-Type3]
[    5.115722] acpi PNP0A08:00: _OSC: platform does not support [LTR]
[    5.115722] acpi PNP0A08:00: _OSC: OS now controls [PME PCIeCapability]
[    5.132176] PCI host bridge to bus 0000:00
[    5.132867] pci_bus 0000:00: root bus resource [io  0x0000-0x0cf7 window]
[    5.134722] pci_bus 0000:00: root bus resource [io  0x0d00-0xffff window]
[    5.134722] pci_bus 0000:00: root bus resource [mem 0x000a0000-0x000bffff window]
[    5.134722] pci_bus 0000:00: root bus resource [mem 0x80000000-0xafffffff window]
[    5.134722] pci_bus 0000:00: root bus resource [mem 0xc0000000-0xfebfffff window]
[    5.134722] pci_bus 0000:00: root bus resource [mem 0x480000000-0xc7fffffff window]
[    5.135722] pci_bus 0000:00: root bus resource [bus 00-ff]
[    5.143722] pci 0000:00:00.0: [8086:29c0] type 00 class 0x060000 conventional PCI endpoint
[    5.171994] pci 0000:00:01.0: [1234:1111] type 00 class 0x030000 conventional PCI endpoint
[    5.175170] pci 0000:00:01.0: BAR 0 [mem 0xfd000000-0xfdffffff pref]
[    5.176722] pci 0000:00:01.0: BAR 2 [mem 0xfebf0000-0xfebf0fff]
+ ssh -p 9837 -o StrictHostKeyChecking=no -o UserKnownHostsFile=/dev/null -o ControlPersist=30m -M -S /home/b/sanitizer-x86_64-linux-qemu/build/qemu_tmp/ssh-control-socket -i /home/b/qemu_image/debian.id_rsa root at localhost 'uname -a'

command timed out: 1200 seconds without output running [b'python', b'../sanitizer_buildbot/sanitizers/zorg/buildbot/builders/sanitizers/buildbot_selector.py'], attempting to kill
process killed by signal 9
program finished with exit code -1
elapsedTime=3970.558748

```

</details>

https://github.com/llvm/llvm-project/pull/104556