Sentry: signal_unix.go:917: runtime error: invalid memory address or nil pointer dereference (1) attached stack trace -- stack trace: | runtime.sigpanic | GOROOT/src/runtime/signal_unix.go:917 ...

This issue was auto filed by Sentry. It represents a crash or reported error on a live cluster with telemetry enabled.

Sentry Link: [https://cockroach-labs.sentry.io/issues/7119107936/?referrer=webhooks_plugin](https://cockroach-labs.sentry.io/issues/7119107936/?referrer=webhooks_plugin)

Panic Message:

```
signal_unix.go:917: runtime error: invalid memory address or nil pointer dereference
(1) attached stack trace
-- stack trace:
| runtime.sigpanic
| GOROOT/src/runtime/signal_unix.go:917
| github.com/cockroachdb/cockroach/pkg/util/log.attachBufferWrapper
| pkg/util/log/flags.go:473
| github.com/cockroachdb/cockroach/pkg/util/log.ApplyConfig
| pkg/util/log/flags.go:378
| github.com/cockroachdb/cockroach/pkg/cli.setupLogging
| log_flags.go:204
| github.com/cockroachdb/cockroach/pkg/cli.setupAndInitializeLoggingAndProfiling
| start.go:1435
| github.com/cockroachdb/cockroach/pkg/cli.runStartInternal
| start.go:479
| github.com/cockroachdb/cockroach/pkg/cli.runStart
| start.go:379
| github.com/cockroachdb/cockroach/pkg/cli.runStartJoin
| start.go:347
| github.com/cockroachdb/cockroach/pkg/cli.init.MaybeDecorateError.func134
| pkg/cli/clierrorplus/decorate_error.go:67
| github.com/cockroachdb/cockroach/pkg/cli.init.MaybeShoutError.func135
| pkg/cli/clierrorplus/shout.go:19
| github.com/spf13/cobra.(*Command).execute
| external/com_github_spf13_cobra/command.go:916
| github.com/spf13/cobra.(*Command).ExecuteC
| external/com_github_spf13_cobra/command.go:1044
| github.com/spf13/cobra.(*Command).Execute
| external/com_github_spf13_cobra/command.go:968
| github.com/cockroachdb/cockroach/pkg/cli.Run
| cli.go:300
| github.com/cockroachdb/cockroach/pkg/cli.doMain
| cli.go:139
| github.com/cockroachdb/cockroach/pkg/cli.Main
| cli.go:64
| main.main
| pkg/cmd/cockroach/main.go:21
| runtime.main
| GOROOT/src/runtime/proc.go:272
| runtime.goexit
| src/runtime/asm_amd64.s:1700
Wraps: (2) runtime error: invalid memory address or nil pointer dereference
Error types: (1) *withstack.withStack (2) runtime.errorString
-- report composition:
runtime.errorString
signal_unix.go:917: *withstack.withStack (top exception)
```

Stacktrace (expand for inline code snippets):

[src/runtime/asm_amd64.s#L1699-L1701](src/runtime/asm_amd64.s#L1699-L1701)
[GOROOT/src/runtime/proc.go#L271-L273](GOROOT/src/runtime/proc.go#L271-L273)
[pkg/cmd/cockroach/main.go#L20-L22](pkg/cmd/cockroach/main.go#L20-L22)
[cli.go#L63-L65](cli.go#L63-L65)
[cli.go#L138-L140](cli.go#L138-L140)
[cli.go#L299-L301](cli.go#L299-L301)
[external/com_github_spf13_cobra/command.go#L967-L969](external/com_github_spf13_cobra/command.go#L967-L969)
[external/com_github_spf13_cobra/command.go#L1043-L1045](external/com_github_spf13_cobra/command.go#L1043-L1045)
[external/com_github_spf13_cobra/command.go#L915-L917](external/com_github_spf13_cobra/command.go#L915-L917)
[pkg/cli/clierrorplus/shout.go#L18-L20](pkg/cli/clierrorplus/shout.go#L18-L20)
[pkg/cli/clierrorplus/decorate_error.go#L66-L68](pkg/cli/clierrorplus/decorate_error.go#L66-L68)
[start.go#L346-L348](start.go#L346-L348)
[start.go#L378-L380](start.go#L378-L380)
[start.go#L478-L480](start.go#L478-L480)
[start.go#L1434-L1436](start.go#L1434-L1436)
[log_flags.go#L203-L205](log_flags.go#L203-L205)
[pkg/util/log/flags.go#L377-L379](pkg/util/log/flags.go#L377-L379)
[pkg/util/log/flags.go#L472-L474](pkg/util/log/flags.go#L472-L474)
[GOROOT/src/runtime/signal_unix.go#L916-L918](GOROOT/src/runtime/signal_unix.go#L916-L918)

```
src/runtime/asm_amd64.s in runtime.goexit at line 1700
GOROOT/src/runtime/proc.go in runtime.main at line 272
pkg/cmd/cockroach/main.go in main.main at line 21
cli.go in pkg/cli.Main at line 64
cli.go in pkg/cli.doMain at line 139
cli.go in pkg/cli.Run at line 300
external/com_github_spf13_cobra/command.go in github.com/spf13/cobra.(*Command).Execute at line 968
external/com_github_spf13_cobra/command.go in github.com/spf13/cobra.(*Command).ExecuteC at line 1044
external/com_github_spf13_cobra/command.go in github.com/spf13/cobra.(*Command).execute at line 916
pkg/cli/clierrorplus/shout.go in pkg/cli.init.MaybeShoutError.func135 at line 19
pkg/cli/clierrorplus/decorate_error.go in pkg/cli.init.MaybeDecorateError.func134 at line 67
start.go in pkg/cli.runStartJoin at line 347
start.go in pkg/cli.runStart at line 379
start.go in pkg/cli.runStartInternal at line 479
start.go in pkg/cli.setupAndInitializeLoggingAndProfiling at line 1435
log_flags.go in pkg/cli.setupLogging at line 204
pkg/util/log/flags.go in pkg/util/log.ApplyConfig at line 378
pkg/util/log/flags.go in pkg/util/log.attachBufferWrapper at line 473
GOROOT/src/runtime/signal_unix.go in runtime.sigpanic at line 917
```

### Tags

| Tag | Value |
| --- | --- |
| Command | server |
| Environment | v25.3.2 |
| Go Version | go1.23.12 X:nocoverageredesign |
| Platform | linux amd64 |
| Distribution | CCL |
| Cockroach Release | v25.3.2 |
| Cockroach SHA | a5e060ee11ad11e1649e7569486b579e9da8c8d7 |
| # of CPUs | 128 |
| # of Goroutines | 23 |

Jira issue: CRDB-57992