Bug#1009356: marked as done (kubernetes-client: config use-context command segfaults since version 1.20.5+really1.20.2-1.1)

Sat, 29 Mar 2025 08:48:18 -0700 

Your message dated Sat, 29 Mar 2025 15:45:43 +0000
with message-id 
<CAGc9RJoZg=qmguzwodcjg7ry6+0hpp1+d_qsvgtw5mo3g6o...@mail.gmail.com>
and subject line Re: Bug#1009356: kubernetes-client: config use-context command 
segfaults since version
has caused the Debian Bug report #1009356,
regarding kubernetes-client: config use-context command segfaults since version 
1.20.5+really1.20.2-1.1
to be marked as done.

This means that you claim that the problem has been dealt with.
If this is not the case it is now your responsibility to reopen the
Bug report if necessary, and/or fix the problem forthwith.

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-- 
1009356: https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=1009356
Debian Bug Tracking System
Contact [email protected] with problems
--- Begin Message --- 
Package: kubernetes-client
Version: 1.20.5+really1.20.2-1.1
Severity: normal

Dear Maintainer,

Since the upgrade to version 1.20.5+really1.20.2-1.1, using "kubernetes config 
use-context" to
switch context systematically triggers SIGSEGV:

% kubectl config use-context dev-go-cell-001
unexpected fault address 0x0
fatal error: fault
[signal SIGSEGV: segmentation violation code=0x80 addr=0x0 pc=0x46421f]
[…]

This also obviously affects kubectx and kubens (which uses kubectl config 
use-context); however it
does not preclude from manually setting a context / namespace when running 
regular kubectl
commands, e.g.:

% kubectl --context dev-go-cell-001 --namespace hello-world get pods
NAME                                      READY   STATUS     RESTARTS   AGE
[…]

Downgrading to 1.20.5+really1.20.2-1 fixes the issue, so I suspect this has 
something to do with
the switch to golang 1.18 done to fix 
#https://bugs.debian.org/cgi-bin/bugreport.cgi?1000980

Regards,

-- System Information:
Debian Release: bookworm/sid
  APT prefers stable-security
  APT policy: (500, 'stable-security'), (500, 'unstable'), (500, 'stable')
Architecture: amd64 (x86_64)

Kernel: Linux 5.16.0-6-amd64 (SMP w/8 CPU threads; PREEMPT)
Kernel taint flags: TAINT_WARN
Locale: LANG=en_US.UTF-8, LC_CTYPE=en_US.UTF-8 (charmap=UTF-8), 
LANGUAGE=en_US:en
Shell: /bin/sh linked to /usr/bin/dash
Init: systemd (via /run/systemd/system)
LSM: AppArmor: enabled

-- no debconf information

unexpected fault address 0x0
fatal error: fault
unexpected fault address 0x0
fatal error: fault
[signal SIGSEGV: segmentation violation code=0x80 addr=0x0 pc=0x46421f]

goroutine 1 [running]:
runtime.throw({0x178d506?, 0x30?})
        /usr/lib/go-1.18/src/runtime/panic.go:992 +0x71 fp=[signal SIGSEGV: 
segmentation violation code=0x80 addr=0x0 pc=0x46421f]

goroutine 1 [running]:
runtime.throw({0x178d506?, 0x30?})
        /usr/lib/go-1.18/src/runtime/panic.go:992 +0x71 fp=0xc000bd2238 
sp=0xc000bd2208 pc=0x435b31
0xc000bd2238 sp=0xc000bd2208 pc=0x435b31
runtime.sigpanic()
        /usr/lib/go-1.18/src/runtime/signal_unix.go:825 +0x305 
fp=runtime.sigpanic()
        /usr/lib/go-1.18/src/runtime/signal_unix.go:825 +0x305 fp=0xc000bd2288 
sp=0xc000bd2238 pc=0x44c165
0xc000bd2288 sp=0xc000bd2238 pc=0x44c165
aeshashbody()
        aeshashbody()
        /usr/lib/go-1.18/src/runtime/asm_amd64.s:1343 +0x39f fp=0xc000bd2290 
sp=0xc000bd2288 pc=/usr/lib/go-1.18/src/runtime/asm_amd64.s:1343 +0x39f 
fp=0xc000bd2290 sp=0xc000bd2288 pc=0x46421f
0x46421f
runtime.mapiternext(0xc000574c00runtime.mapiternext(0xc000574c00)
        /usr/lib/go-1.18/src/runtime/map.go:934 +0x2cb fp=0xc000bd2300 sp=)
        /usr/lib/go-1.18/src/runtime/map.go:934 +0x2cb fp=0xc000bd2300 
sp=0xc000bd2290 pc=0x40fcab
0xc000bd2290 pc=0x40fcab
runtime.mapiterinit(0x42c97b?, 0x1?, 0x1fruntime.mapiterinit(0x42c97b?, 0x1?, 
0x1f?)
        /usr/lib/go-1.18/src/runtime/map.go:861 +0x228 fp=0xc000bd2320?)
        /usr/lib/go-1.18/src/runtime/map.go:861 +0x228 fp=0xc000bd2320 
sp=0xc000bd2300 pc=0x40f988
reflect.mapiterinit( sp=0xc000bd2300 pc=0x40f988
reflect.mapiterinit(0x7f597d817698?, 0x28fcc?, 0x464c4e?)
0x7f597d817698?, 0x28fcc?, 0x464c4e?)
        /usr/lib/go-1.18/src/runtime/map.go:1373 +0x19 fp=0xc000bd2348 
sp=0xc000bd2320  /usr/lib/go-1.18/src/runtime/map.go:1373 +0x19 fp=0xc000bd2348 
sp=0xc000bd2320 pc=0x460939
 pc=0x460939
k8s.io/kubernetes/vendor/github.com/modern-go/reflect2.(*UnsafeMapType).UnsafeIterate(...)
        
/build/kubernetes-oULibp/kubernetes-1.20.5+really1.20.2/_output/local/go/src/k8s.io/kubernetes/vendor/github.com/modern-go/reflect2/unsafe_map.go:112
k8s.io/kubernetes/vendor/github.com/modern-go/reflect2.(*UnsafeMapType).UnsafeIterate(...)
        
/build/kubernetes-oULibp/kubernetes-1.20.5+really1.20.2/_output/local/go/src/k8s.io/kubernetes/vendor/github.com/modern-go/reflect2/unsafe_map.go:112
k8s.io/kubernetes/vendor/github.com/json-iterator/go.(*sortKeysMapEncoder).Encode(0xc0002fa120,
 
0xc000145ac8k8s.io/kubernetes/vendor/github.com/json-iterator/go.(*sortKeysMapEncoder).Encode(0xc0002fa120,
 0xc000145ac8, 0xc0002e55c0)
        
/build/kubernetes-oULibp/kubernetes-1.20.5+really1.20.2/_output/local/go/src/k8s.io/kubernetes/vendor/github.com/json-iterator/go/reflect_map.go:291
 +0x225 fp=, 0xc0002e55c0)
        
/build/kubernetes-oULibp/kubernetes-1.20.5+really1.20.2/_output/local/go/src/k8s.io/kubernetes/vendor/github.com/json-iterator/go/reflect_map.go:291
 +0x225 fp=0xc000bd24b8 sp=0xc000bd2348 pc=0x817785
0xc000bd24b8 sp=0xc000bd2348 pc=0x817785
k8s.io/kubernetes/vendor/github.com/json-iterator/go.(*placeholderEncoder).Encode(0x15cae60?,
 0x7f597dafd101?, 
0xc0002e55d8k8s.io/kubernetes/vendor/github.com/json-iterator/go.(*placeholderEncoder).Encode(0x15cae60?,
 0x7f597dafd101?, 0xc0002e55d8?)
        
/build/kubernetes-oULibp/kubernetes-1.20.5+really1.20.2/_output/local/go/src/k8s.io/kubernetes/vendor/github.com/json-iterator/go/reflect.go:332
 +0x22 fp=0xc000bd24e0?)
        
/build/kubernetes-oULibp/kubernetes-1.20.5+really1.20.2/_output/local/go/src/k8s.io/kubernetes/vendor/github.com/json-iterator/go/reflect.go:332
 +0x22 fp=0xc000bd24e0 sp=0xc000bd24b8 pc=0x8105a2
k8s.io/kubernetes/vendor/github.com/json-iterator/go.(*structFieldEncoder).Encode
 sp=0xc000bd24b8 pc=0x8105a2
k8s.io/kubernetes/vendor/github.com/json-iterator/go.(*structFieldEncoder).Encode(0xc0002fa4e0,
 0x14c20e8?, 0xc0002e55c0)
(0xc0002fa4e0, 0x14c20e8?, 0xc0002e55c0)
        
/build/kubernetes-oULibp/kubernetes-1.20.5+really1.20.2/_output/local/go/src/k8s.io/kubernetes/vendor/github.com/json-iterator/go/reflect_struct_encoder.go:110
 +0x56 fp=0xc000bd2558 sp=       
/build/kubernetes-oULibp/kubernetes-1.20.5+really1.20.2/_output/local/go/src/k8s.io/kubernetes/vendor/github.com/json-iterator/go/reflect_struct_encoder.go:110
 +0x56 fp=0xc000bd2558 sp=0xc000bd24e0 pc=0x824ed6
k8s.io/kubernetes/vendor/github.com/json-iterator/go.(*structEncoder).Encode(0xc0002fa570,
 0xa000?, 0xc0002e55c0)
        
/build/kubernetes-oULibp/kubernetes-1.20.5+really1.20.2/_output/local/go/src/k8s.io/kubernetes/vendor/github.com/json-iterator/go/reflect_struct_encoder.go:1580xc000bd24e0
 pc=0x824ed6
k8s.io/kubernetes/vendor/github.com/json-iterator/go.(*structEncoder).Encode(0xc0002fa570,
 0xa000?, 0xc0002e55c0)
        
/build/kubernetes-oULibp/kubernetes-1.20.5+really1.20.2/_output/local/go/src/k8s.io/kubernetes/vendor/github.com/json-iterator/go/reflect_struct_encoder.go:158
 +0x765 fp=0xc000bd2640 sp=0xc000bd2558 pc=0x8258e5
 +0x765 fp=0xc000bd2640 sp=0xc000bd2558 pc=0x8258e5
k8s.io/kubernetes/vendor/github.com/json-iterator/go.(*OptionalEncoder).Encode(0xc0002e55c0?,
 0xc0005030e0?, 
0xc000bd26d0k8s.io/kubernetes/vendor/github.com/json-iterator/go.(*OptionalEncoder).Encode(0xc0002e55c0?,
 0xc0005030e0?, 0xc000bd26d0?)
        
/build/kubernetes-oULibp/kubernetes-1.20.5+really1.20.2/_output/local/go/src/k8s.io/kubernetes/vendor/github.com/json-iterator/go/reflect_optional.go:70
 +0xa4 fp=0xc000bd2690 sp=?)
        
/build/kubernetes-oULibp/kubernetes-1.20.5+really1.20.2/_output/local/go/src/k8s.io/kubernetes/vendor/github.com/json-iterator/go/reflect_optional.go:70
 +0xa4 fp=0xc000bd2690 sp=0xc000bd2640 pc=0x81cae4
k8s.io/kubernetes/vendor/github.com/json-iterator/go.(*placeholderEncoder).Encode(0x15cae60?,
 0xc000bd2640 pc=0x81cae4
k8s.io/kubernetes/vendor/github.com/json-iterator/go.(*placeholderEncoder).Encode(0x15cae60?,
 0xc000574b01?, 0xc0002e55d8?)
        
/build/kubernetes-oULibp/kubernetes-1.20.5+really1.20.2/_output/local/go/src/k8s.io/kubernetes/vendor/github.com/json-iterator/go/reflect.go:332
 +0xc000574b01?, 0xc0002e55d8?)
        
/build/kubernetes-oULibp/kubernetes-1.20.5+really1.20.2/_output/local/go/src/k8s.io/kubernetes/vendor/github.com/json-iterator/go/reflect.go:332
 +0x22 fp=0xc000bd26b8 sp=0xc000bd2690 pc=0x8105a2
k8s.io/kubernetes/vendor/github.com/json-iterator/go.(*structFieldEncoder).Encode(0x22
 fp=0xc000bd26b8 sp=0xc000bd2690 pc=0x8105a2
k8s.io/kubernetes/vendor/github.com/json-iterator/go.(*structFieldEncoder).Encode(0xc000402150,
 0x14f4def?, 0xc0002e55c0)
        
/build/kubernetes-oULibp/kubernetes-1.20.5+really1.20.2/_output/local/go/src/k8s.io/kubernetes/vendor/github.com/json-iterator/go/reflect_struct_encoder.go:0xc000402150,
 0x14f4def?, 0xc0002e55c0)
        
/build/kubernetes-oULibp/kubernetes-1.20.5+really1.20.2/_output/local/go/src/k8s.io/kubernetes/vendor/github.com/json-iterator/go/reflect_struct_encoder.go:110
 +0x56 fp=0xc000bd2730 sp=0xc000bd26b8 pc=0x824ed6
110 +0x56 fp=0xc000bd2730 sp=0xc000bd26b8 pc=0x824ed6
k8s.io/kubernetes/vendor/github.com/json-iterator/go.(*structEncoder).Encode(k8s.io/kubernetes/vendor/github.com/json-iterator/go.(*structEncoder).Encode(0xc000402210,
 0xc000134240?, 0xc0002e55c0)
        
/build/kubernetes-oULibp/kubernetes-1.20.5+really1.20.2/_output/local/go/src/k8s.io/kubernetes/vendor/github.com/json-iterator/go/reflect_struct_encoder.go0xc000402210,
 0xc000134240?, 0xc0002e55c0)
        
/build/kubernetes-oULibp/kubernetes-1.20.5+really1.20.2/_output/local/go/src/k8s.io/kubernetes/vendor/github.com/json-iterator/go/reflect_struct_encoder.go:158
 +0x765 fp=0xc000bd2818 sp=0xc000bd2730 pc=0x8258e5:158 +0x765 fp=0xc000bd2818 
sp=0xc000bd2730 pc=0x8258e5
k8s.io/kubernetes/vendor/github.com/json-iterator/go.(*placeholderEncoder).Encode(0x15cae60?,
 0x824601?
k8s.io/kubernetes/vendor/github.com/json-iterator/go.(*placeholderEncoder).Encode(0x15cae60?,
 0x824601?, 0xc0002e55d8?)
        
/build/kubernetes-oULibp/kubernetes-1.20.5+really1.20.2/_output/local/go/src/k8s.io/kubernetes/vendor/github.com/json-iterator/go/reflect.go:332
 +0x22, 0xc0002e55d8?)
        
/build/kubernetes-oULibp/kubernetes-1.20.5+really1.20.2/_output/local/go/src/k8s.io/kubernetes/vendor/github.com/json-iterator/go/reflect.go:332
 +0x22 fp=0xc000bd2840 sp=0xc000bd2818 pc=0x8105a2
k8s.io/kubernetes/vendor/github.com/json-iterator/go.(*structFieldEncoder).Encode(
 fp=0xc000bd2840 sp=0xc000bd2818 pc=0x8105a2
k8s.io/kubernetes/vendor/github.com/json-iterator/go.(*structFieldEncoder).Encode(0xc000402630,
 0x14c2092?, 0xc0002e55c0)
        
/build/kubernetes-oULibp/kubernetes-1.20.5+really1.20.2/_output/local/go/src/k8s.io/kubernetes/vendor/github.com/json-iterator/go/reflect_struct_encoder.go:110
 +0x56 fp=0xc000bd28b8 sp=0xc000bd2840 pc=0x824ed6
0xc000402630, 0x14c2092?, 0xc0002e55c0)
        
/build/kubernetes-oULibp/kubernetes-1.20.5+really1.20.2/_output/local/go/src/k8s.io/kubernetes/vendor/github.com/json-iterator/go/reflect_struct_encoder.go:110
 +0x56 fp=0xc000bd28b8 sp=0xc000bd2840 pc=0x824ed6
k8s.io/kubernetes/vendor/github.com/json-iterator/go.(*structEncoder).Encode(0xc000402690,
 0x1572280?, 0xc0002e55c0)
        
/build/kubernetes-oULibp/kubernetes-1.20.5+really1.20.2/_output/local/go/src/k8s.io/kubernetes/vendor/github.com/json-iterator/go/reflect_struct_encoder.gok8s.io/kubernetes/vendor/github.com/json-iterator/go.(*structEncoder).Encode(0xc000402690,
 0x1572280?, 0xc0002e55c0)
        
/build/kubernetes-oULibp/kubernetes-1.20.5+really1.20.2/_output/local/go/src/k8s.io/kubernetes/vendor/github.com/json-iterator/go/reflect_struct_encoder.go:158
 +0x765 fp=0xc000bd29a0 sp=0xc000bd28b8 pc=0x8258e5
:158 +0x765 fp=0xc000bd29a0 sp=0xc000bd28b8 pc=0x8258e5
k8s.io/kubernetes/vendor/github.com/json-iterator/go.(*sliceEncoder).Encode(0xc000116b28k8s.io/kubernetes/vendor/github.com/json-iterator/go.(*sliceEncoder).Encode(0xc000116b28,
 0xc0008c2318, 0xc0002e55c0)
        
/build/kubernetes-oULibp/kubernetes-1.20.5+really1.20.2/_output/local/go/src/k8s.io/kubernetes/vendor/github.com/json-iterator/go/reflect_slice.go:38,
 0xc0008c2318, 0xc0002e55c0)
        
/build/kubernetes-oULibp/kubernetes-1.20.5+really1.20.2/_output/local/go/src/k8s.io/kubernetes/vendor/github.com/json-iterator/go/reflect_slice.go:38
 +0x2bd fp=0xc000bd2a58 sp=0xc000bd29a0 pc=0x81d53d
 +0x2bd fp=0xc000bd2a58 sp=0xc000bd29a0 pc=0x81d53d
k8s.io/kubernetes/vendor/github.com/json-iterator/go.(*structFieldEncoder).Encode(0xc000403290,
 0x14c7e51?, 0xc0002e55c0)
k8s.io/kubernetes/vendor/github.com/json-iterator/go.(*structFieldEncoder).Encode(0xc000403290,
 0x14c7e51?, 0xc0002e55c0)
        
/build/kubernetes-oULibp/kubernetes-1.20.5+really1.20.2/_output/local/go/src/k8s.io/kubernetes/vendor/github.com/json-iterator/go/reflect_struct_encoder.go:110
 +0x56 fp=0xc000bd2ad0 sp=0xc000bd2a58   
/build/kubernetes-oULibp/kubernetes-1.20.5+really1.20.2/_output/local/go/src/k8s.io/kubernetes/vendor/github.com/json-iterator/go/reflect_struct_encoder.go:110
 +0x56 fp=0xc000bd2ad0 sp=0xc000bd2a58 pc=0x824ed6
 pc=0x824ed6
k8s.io/kubernetes/vendor/github.com/json-iterator/go.(*structEncoder).Encode(0xc000403380,
 0x0?, 0xc0002e55c0)
k8s.io/kubernetes/vendor/github.com/json-iterator/go.(*structEncoder).Encode(0xc000403380,
 0x0?, 0xc0002e55c0)
        
/build/kubernetes-oULibp/kubernetes-1.20.5+really1.20.2/_output/local/go/src/k8s.io/kubernetes/vendor/github.com/json-iterator/go/reflect_struct_encoder.go:158
 +       
/build/kubernetes-oULibp/kubernetes-1.20.5+really1.20.2/_output/local/go/src/k8s.io/kubernetes/vendor/github.com/json-iterator/go/reflect_struct_encoder.go:158
 +0x765 fp=0xc000bd2bb8 sp=0xc000bd2ad0 pc=0x8258e5
0x765 fp=0xc000bd2bb8 sp=0xc000bd2ad0 pc=0x8258e5
k8s.io/kubernetes/vendor/github.com/json-iterator/go.(*OptionalEncoder).Encode(0xc00019c8c0?,
 0x0?, 
0x0k8s.io/kubernetes/vendor/github.com/json-iterator/go.(*OptionalEncoder).Encode(0xc00019c8c0?,
 0x0?, 0x0?)
        
/build/kubernetes-oULibp/kubernetes-1.20.5+really1.20.2/_output/local/go/src/k8s.io/kubernetes/vendor/github.com/json-iterator/go/reflect_optional.go:70
 +0xa4 fp=0xc000bd2c08?)
        
/build/kubernetes-oULibp/kubernetes-1.20.5+really1.20.2/_output/local/go/src/k8s.io/kubernetes/vendor/github.com/json-iterator/go/reflect_optional.go:70
 +0xa4 fp=0xc000bd2c08 sp=0xc000bd2bb8 pc=0x81cae4
k8s.io/kubernetes/vendor/github.com/json-iterator/go.(*onePtrEncoder).Encode(0xc000361f60
 sp=0xc000bd2bb8 pc=0x81cae4
k8s.io/kubernetes/vendor/github.com/json-iterator/go.(*onePtrEncoder).Encode(0xc000361f60,
 0xc0008c22c0, 0xc00023d500?)
        
/build/kubernetes-oULibp/kubernetes-1.20.5+really1.20.2/_output/local/go/src/k8s.io/kubernetes/vendor/github.com/json-iterator/go/reflect.go:219,
 0xc0008c22c0, 0xc00023d500?)
        
/build/kubernetes-oULibp/kubernetes-1.20.5+really1.20.2/_output/local/go/src/k8s.io/kubernetes/vendor/github.com/json-iterator/go/reflect.go:219
 +0x82 fp=0xc000bd2c40 sp=0xc000bd2c08 pc=0x80fb62
k8s.io/kubernetes/vendor/github.com/json-iterator/go.(*Stream).WriteVal(0xc0002e55c0,
 {0x164fd00, 0xc0008c22c0} +0x82 fp=0xc000bd2c40 sp=0xc000bd2c08 pc=0x80fb62
k8s.io/kubernetes/vendor/github.com/json-iterator/go.(*Stream).WriteVal(0xc0002e55c0,
 {0x164fd00, 0xc0008c22c0})
        
/build/kubernetes-oULibp/kubernetes-1.20.5+really1.20.2/_output/local/go/src/k8s.io/kubernetes/vendor/github.com/json-iterator/go/reflect.go:98
 +0x158 fp=0xc000bd2cb0 sp=)
        
/build/kubernetes-oULibp/kubernetes-1.20.5+really1.20.2/_output/local/go/src/k8s.io/kubernetes/vendor/github.com/json-iterator/go/reflect.go:98
 +0x158 fp=0xc000bd2cb0 sp=0xc000bd2c40 pc=0x80ee78
k8s.io/kubernetes/vendor/github.com/json-iterator/go.(*frozenConfig).Marshal0xc000bd2c40
 pc=0x80ee78
k8s.io/kubernetes/vendor/github.com/json-iterator/go.(*frozenConfig).Marshal(0xc00019c8c0,
 {0x164fd00, 0xc0008c22c0})
        
/build/kubernetes-oULibp/kubernetes-1.20.5+really1.20.2/_output/local/go/src/k8s.io/kubernetes/vendor/github.com/json-iterator/go/config.go:299
 +0xc9(0xc00019c8c0, {0x164fd00, 0xc0008c22c0})
        
/build/kubernetes-oULibp/kubernetes-1.20.5+really1.20.2/_output/local/go/src/k8s.io/kubernetes/vendor/github.com/json-iterator/go/config.go:299
 +0xc9 fp=0xc000bd2d48 sp=0xc000bd2cb0 pc=0x806129
 fp=0xc000bd2d48 sp=0xc000bd2cb0 pc=0x806129
k8s.io/kubernetes/vendor/k8s.io/apimachinery/pkg/runtime/serializer/json.(*Serializer).doEncode(0x14a5cb0?k8s.io/kubernetes/vendor/k8s.io/apimachinery/pkg/runtime/serializer/json.(*Serializer).doEncode(0x14a5cb0?,
 {0x1a06bb0?, 0xc0008c22c0?}, {, {0x1a06bb0?, 0xc0008c22c0?}, {0x19fdbc0, 
0xc00023c120})
        
/build/kubernetes-oULibp/kubernetes-1.20.5+really1.20.2/_output/local/go/src/k8s.io/kubernetes/vendor/k8s.io/apimachinery/pkg/runtime/serializer/json/json.go:306
 +0x19fdbc0, 0xc00023c120})
        
/build/kubernetes-oULibp/kubernetes-1.20.5+really1.20.2/_output/local/go/src/k8s.io/kubernetes/vendor/k8s.io/apimachinery/pkg/runtime/serializer/json/json.go:306
 +0x6d fp=0xc000bd2de0 sp=0xc000bd2d48 pc=0x96916d
0x6d fp=0xc000bd2de0 sp=0xc000bd2d48 pc=0x96916d
k8s.io/kubernetes/vendor/k8s.io/apimachinery/pkg/runtime/serializer/json.(*Serializer).Encode(0xc000118140,
 {0x1a06bb0, 
0xc0008c22c0}k8s.io/kubernetes/vendor/k8s.io/apimachinery/pkg/runtime/serializer/json.(*Serializer).Encode(0xc000118140,
 {0x1a06bb0, 0xc0008c22c0}, {0x19fdbc0, 0xc00023c120})
        
/build/kubernetes-oULibp/kubernetes-1.20.5+really1.20.2/_output/local/go/src/k8s.io/kubernetes/vendor/k8s.io/apimachinery/pkg/runtime/serializer/json/json.go,
 {0x19fdbc0, 0xc00023c120})
        
/build/kubernetes-oULibp/kubernetes-1.20.5+really1.20.2/_output/local/go/src/k8s.io/kubernetes/vendor/k8s.io/apimachinery/pkg/runtime/serializer/json/json.go:301
 +0xfc fp=0xc000bd2e40 sp=0xc000bd2de0 pc=0x96909c:301 +0xfc fp=0xc000bd2e40 
sp=0xc000bd2de0 pc=0x96909c
k8s.io/kubernetes/vendor/k8s.io/apimachinery/pkg/runtime/serializer/versioning.(*codec).doEncode(
k8s.io/kubernetes/vendor/k8s.io/apimachinery/pkg/runtime/serializer/versioning.(*codec).doEncode(0xc0003b4320,
 {0x1a06b60?, 0xc0002e5500}, 0xc0003b4320, {0x1a06b60?, 0xc0002e5500}, 
{0x19fdbc0, 0xc00023c120})
        
/build/kubernetes-oULibp/kubernetes-1.20.5+really1.20.2/_output/local/go/src/k8s.io/kubernetes/vendor/k8s.io/apimachinery/pkg/runtime/serializer/versioning/versioning.go:244{0x19fdbc0,
 0xc00023c120})
        
/build/kubernetes-oULibp/kubernetes-1.20.5+really1.20.2/_output/local/go/src/k8s.io/kubernetes/vendor/k8s.io/apimachinery/pkg/runtime/serializer/versioning/versioning.go:244
 +0x8fa fp=0xc000bd3198 sp=0xc000bd2e40 pc=0x96b4ba
 +0x8fa fp=0xc000bd3198 sp=0xc000bd2e40 pc=0x96b4ba
k8s.io/kubernetes/vendor/k8s.io/apimachinery/pkg/runtime/serializer/versioning.(*codec).Encode(0xc0003b4320,
 {0x1a06b60, 
0xc0002e5500k8s.io/kubernetes/vendor/k8s.io/apimachinery/pkg/runtime/serializer/versioning.(*codec).Encode(0xc0003b4320,
 {0x1a06b60, 0xc0002e5500}, {0x19fdbc0, 0xc00023c120})
        
/build/kubernetes-oULibp/kubernetes-1.20.5+really1.20.2/_output/local/go/src/k8s.io/kubernetes/vendor/k8s.io/apimachinery/pkg/runtime/serializer/versioning/versioning.go:184
 +0x106 fp=0xc000bd31f8 sp=0xc000bd3198 pc=0x96ab66}, {0x19fdbc0, 0xc00023c120})
        
/build/kubernetes-oULibp/kubernetes-1.20.5+really1.20.2/_output/local/go/src/k8s.io/kubernetes/vendor/k8s.io/apimachinery/pkg/runtime/serializer/versioning/versioning.go:184
 +0x106 fp=0xc000bd31f8 sp=0xc000bd3198 pc=0x96ab66
k8s.io/kubernetes/vendor/k8s.io/apimachinery/pkg/runtime.Encode(
k8s.io/kubernetes/vendor/k8s.io/apimachinery/pkg/runtime.Encode({0x7f597d813cf0,
 0xc0003b4320}, {0x1a06b60, 0xc0002e5500{0x7f597d813cf0, 0xc0003b4320}, 
{0x1a06b60, 0xc0002e5500})
        
/build/kubernetes-oULibp/kubernetes-1.20.5+really1.20.2/_output/local/go/src/k8s.io/kubernetes/vendor/k8s.io/apimachinery/pkg/runtime/codec.go:50
 +0x64 fp=0xc000bd3238 sp=})
        
/build/kubernetes-oULibp/kubernetes-1.20.5+really1.20.2/_output/local/go/src/k8s.io/kubernetes/vendor/k8s.io/apimachinery/pkg/runtime/codec.go:50
 +0x64 fp=0xc000bd3238 sp=0xc000bd31f8 pc=0x880484
0xc000bd31f8 pc=0x880484
k8s.io/kubernetes/vendor/k8s.io/client-go/tools/clientcmd.Write(...)
        
/build/kubernetes-oULibp/kubernetes-1.20.5+really1.20.2/_output/local/go/src/k8s.io/kubernetes/vendor/k8s.io/client-go/tools/clientcmd/loader.go:473
k8s.io/kubernetes/vendor/k8s.io/client-go/tools/clientcmd.WriteToFilek8s.io/kubernetes/vendor/k8s.io/client-go/tools/clientcmd.Write(...)
        
/build/kubernetes-oULibp/kubernetes-1.20.5+really1.20.2/_output/local/go/src/k8s.io/kubernetes/vendor/k8s.io/client-go/tools/clientcmd/loader.go:473
k8s.io/kubernetes/vendor/k8s.io/client-go/tools/clientcmd.WriteToFile({{0x0, 
0x0({{0x0, 0x0}, {0x0, 0x0}, {}, {0x0, 0x0}, {0x0, 0xc0005b9860}, 0xc0005b9890, 
0xc0005b98c0, 0x0, 0xc0005b9860}, 0xc0005b9890, 0xc0005b98c0, 0xc0005b98f0, 
{0x7fffeda40fe6, ...}, ...0xc0005b98f0, {0x7fffeda40fe6, ...}, ...}, ...)
        
/build/kubernetes-oULibp/kubernetes-1.20.5+really1.20.2/_output/local/go/src/k8s.io/kubernetes/vendor/k8s.io/client-go/tools/clientcmd/loader.go:426
 +0xa8}, ...)
        
/build/kubernetes-oULibp/kubernetes-1.20.5+really1.20.2/_output/local/go/src/k8s.io/kubernetes/vendor/k8s.io/client-go/tools/clientcmd/loader.go:426
 +0xa8 fp=0xc000bd32b0 sp=0xc000bd3238 pc=0x114b968
 fp=0xc000bd32b0 sp=0xc000bd3238 pc=0x114b968
k8s.io/kubernetes/vendor/k8s.io/client-go/tools/clientcmd.writeCurrentContext({0x1a15da8,
 0xc00009e2d0}, 
{k8s.io/kubernetes/vendor/k8s.io/client-go/tools/clientcmd.writeCurrentContext({0x1a15da8,
 0xc00009e2d0}, {0x7fffeda40fe6, 0xf})
        
/build/kubernetes-oULibp/kubernetes-1.20.5+really1.20.2/_output/local/go/src/k8s.io/kubernetes/vendor/k8s.io/client-go/tools/clientcmd/config.go:4150x7fffeda40fe6,
 0xf})
        
/build/kubernetes-oULibp/kubernetes-1.20.5+really1.20.2/_output/local/go/src/k8s.io/kubernetes/vendor/k8s.io/client-go/tools/clientcmd/config.go:415
 +0x1a8 fp=0xc000bd3498 sp=0xc000bd32b0 pc=0x11485c8
 +0x1a8 fp=0xc000bd3498 sp=0xc000bd32b0 pc=0x11485c8
k8s.io/kubernetes/vendor/k8s.io/client-go/tools/clientcmd.ModifyConfig({0x1a15da8,
 
0xc00009e2d0}k8s.io/kubernetes/vendor/k8s.io/client-go/tools/clientcmd.ModifyConfig({0x1a15da8,
 0xc00009e2d0}, {{0x0, 0x0}, {, {{0x0, 0x0}, {0x0, 0x0}, {0x0, 0xc00040a7500x0, 
0x0}, {0x0, 0xc00040a750}, 0xc00040a780, 0xc00040a7b0, ...}, }, 0xc00040a780, 
0xc00040a7b0, ...}, ...)
        
/build/kubernetes-oULibp/kubernetes-1.20.5+really1.20.2/_output/local/go/src/k8s.io/kubernetes/vendor/k8s.io/client-go/tools/clientcmd/config.go:197
 +0x198 fp=0xc000bd3bc0...)
        
/build/kubernetes-oULibp/kubernetes-1.20.5+really1.20.2/_output/local/go/src/k8s.io/kubernetes/vendor/k8s.io/client-go/tools/clientcmd/config.go:197
 +0x198 fp=0xc000bd3bc0 sp=0xc000bd3498 pc=0x1146eb8
 sp=0xc000bd3498 pc=0x1146eb8
k8s.io/kubernetes/vendor/k8s.io/kubectl/pkg/cmd/config.useContextOptions.run({{0x1a15da8k8s.io/kubernetes/vendor/k8s.io/kubectl/pkg/cmd/config.useContextOptions.run({{0x1a15da8?,
 0xc00009e2d0?}, {0x7fffeda40fe6?, 0xc000a9e500?}})
        
/build/kubernetes-oULibp/kubernetes-1.20.5+really1.20.2/_output/local/go/src/k8s.io/kubernetes/vendor/k8s.io/kubectl/pkg/cmd/config/use_context.go:78
 +0x14a fp=?, 0xc00009e2d0?}, {0x7fffeda40fe6?, 0xc000a9e500?}})
        
/build/kubernetes-oULibp/kubernetes-1.20.5+really1.20.2/_output/local/go/src/k8s.io/kubernetes/vendor/k8s.io/kubectl/pkg/cmd/config/use_context.go:78
 +0x14a fp=0xc000bd3cd0 sp=0xc000bd3bc0 pc=0x138796a
k8s.io/kubernetes/vendor/k8s.io/kubectl/pkg/cmd/config.NewCmdConfigUseContext.func1(0xc000bd3cd0
 sp=0xc000bd3bc0 pc=0x138796a
k8s.io/kubernetes/vendor/k8s.io/kubectl/pkg/cmd/config.NewCmdConfigUseContext.func1(0xc00085f8c0?,
 {0x178c86e?, 0x1?0xc00085f8c0?, {0x178c86e?, 0x1?, 0x1?})
        
/build/kubernetes-oULibp/kubernetes-1.20.5+really1.20.2/_output/local/go/src/k8s.io/kubernetes/vendor/k8s.io/kubectl/pkg/cmd/config/use_context.go:57
 +, 0x1?})
        
/build/kubernetes-oULibp/kubernetes-1.20.5+really1.20.2/_output/local/go/src/k8s.io/kubernetes/vendor/k8s.io/kubectl/pkg/cmd/config/use_context.go:57
 +0x66 fp=0xc000bd3d40 sp=0xc000bd3cd0 pc=0x1387766
0x66 fp=0xc000bd3d40 sp=0xc000bd3cd0 pc=0x1387766
k8s.io/kubernetes/vendor/github.com/spf13/cobra.(*Command).execute(k8s.io/kubernetes/vendor/github.com/spf13/cobra.(*Command).execute(0xc00085f8c0,
 {0xc0003b3400, 0x1, 0x1}0xc00085f8c0, {0xc0003b3400, 0x1, 0x1})
        
/build/kubernetes-oULibp/kubernetes-1.20.5+really1.20.2/_output/local/go/src/k8s.io/kubernetes/vendor/github.com/spf13/cobra/command.go:854
 +0x663 fp=0xc000bd3e18)
        
/build/kubernetes-oULibp/kubernetes-1.20.5+really1.20.2/_output/local/go/src/k8s.io/kubernetes/vendor/github.com/spf13/cobra/command.go:854
 +0x663 fp=0xc000bd3e18 sp=0xc000bd3d40 pc=0x6b18e3
k8s.io/kubernetes/vendor/github.com/spf13/cobra.(*Command).ExecuteC( 
sp=0xc000bd3d40 pc=0x6b18e3
k8s.io/kubernetes/vendor/github.com/spf13/cobra.(*Command).ExecuteC(0xc0000d22c0)
        
/build/kubernetes-oULibp/kubernetes-1.20.5+really1.20.2/_output/local/go/src/k8s.io/kubernetes/vendor/github.com/spf13/cobra/command.go:958
 +0x39c fp=0xc000bd3ed00xc0000d22c0)
        
/build/kubernetes-oULibp/kubernetes-1.20.5+really1.20.2/_output/local/go/src/k8s.io/kubernetes/vendor/github.com/spf13/cobra/command.go:958
 +0x39c fp=0xc000bd3ed0 sp=0xc000bd3e18 pc=0x6b1edc
 sp=0xc000bd3e18 pc=0x6b1edc
k8s.io/kubernetes/vendor/github.com/spf13/cobra.(*Command).Execute(...)
        
/build/kubernetes-oULibp/kubernetes-1.20.5+really1.20.2/_output/local/go/src/k8s.io/kubernetes/vendor/github.com/spf13/cobra/command.go:895
k8s.io/kubernetes/vendor/github.com/spf13/cobra.(*Command).Execute(...)
        
/build/kubernetes-oULibp/kubernetes-1.20.5+really1.20.2/_output/local/go/src/k8s.io/kubernetes/vendor/github.com/spf13/cobra/command.go:895
main.main()
        _output/local/go/src/k8s.io/kubernetes/cmd/kubectl/kubectl.go:49 
+main.main()
        _output/local/go/src/k8s.io/kubernetes/cmd/kubectl/kubectl.go:49 +0x1bb 
fp=0xc000bd3f80 sp=0xc000bd3ed0 pc=0x14976bb
0x1bb fp=0xc000bd3f80 sp=0xc000bd3ed0 pc=0x14976bb
runtime.main()
        /usr/lib/go-1.18/src/runtime/proc.go:250runtime.main()
        /usr/lib/go-1.18/src/runtime/proc.go:250 +0x212 fp=0xc000bd3fe0 
sp=0xc000bd3f80 pc=0x438252
 +0x212 fp=0xc000bd3fe0 sp=0xc000bd3f80 pc=0x438252
runtime.goexit()
        /usr/lib/go-1.18/src/runtime/asm_amd64.s:1571 +0x1 fp=0xc000bd3fe8 
sp=0xc000bd3fe0 pc=0x466ce1

goroutine 6 [chan receive]:
k8s.io/kubernetes/vendor/k8s.io/klog/v2.(*loggingT).flushDaemon(0x0?)
        
/build/kubernetes-oULibp/kubernetes-1.20.5+really1.20.2/_output/local/go/src/k8s.io/kubernetes/vendor/k8s.io/klog/v2/klog.go:1169
 +0x6a
created by k8s.io/kubernetes/vendor/k8s.io/klog/v2.init.0
        
/build/kubernetes-oULibp/kubernetes-1.20.5+really1.20.2/_output/local/go/src/k8s.io/kubernetes/vendor/k8s.io/klog/v2/klog.go:417
 +0xf6

goroutine 10 [select]:
k8s.io/kubernetes/vendor/k8s.io/apimachinery/pkg/util/wait.BackoffUntil(0x0?, 
{0x19ff380, 0xc00069e630}, 0x1, 0xc000046c00)
        
/build/kubernetes-oULibp/kubernetes-1.20.5+really1.20.2/_output/local/go/src/k8s.io/kubernetes/vendor/k8s.io/apimachinery/pkg/util/wait/wait.go:167
 +0x135
k8s.io/kubernetes/vendor/k8s.io/apimachinery/pkg/util/wait.JitterUntil(0x0?, 
0x12a05f200, 0x0, 0x0?, 0x0?)
        
/build/kubernetes-oULibp/kubernetes-1.20.5+really1.20.2/_output/local/go/src/k8s.io/kubernetes/vendor/k8s.io/apimachinery/pkg/util/wait/wait.go:133
 +0x89
k8s.io/kubernetes/vendor/k8s.io/apimachinery/pkg/util/wait.Until(0x0?, 0x0?, 
0x0?)
        
/build/kubernetes-oULibp/kubernetes-1.20.5+really1.20.2/_output/local/go/src/k8s.io/kubernetes/vendor/k8s.io/apimachinery/pkg/util/wait/wait.go:90
 +0x25
created by k8s.io/kubernetes/vendor/k8s.io/kubectl/pkg/util/logs.InitLogs
        
/build/kubernetes-oULibp/kubernetes-1.20.5+really1.20.2/_output/local/go/src/k8s.io/kubernetes/vendor/k8s.io/kubectl/pkg/util/logs/logs.go:51
 +0xaa
runtime.goexit()
        /usr/lib/go-1.18/src/runtime/asm_amd64.s:1571 +0x1 fp=0xc000bd3fe8 
sp=0xc000bd3fe0 pc=0x466ce1

goroutine 6 [chan receive]:
k8s.io/kubernetes/vendor/k8s.io/klog/v2.(*loggingT).flushDaemon(0x0?)
        
/build/kubernetes-oULibp/kubernetes-1.20.5+really1.20.2/_output/local/go/src/k8s.io/kubernetes/vendor/k8s.io/klog/v2/klog.go:1169
 +0x6a
created by k8s.io/kubernetes/vendor/k8s.io/klog/v2.init.0
        
/build/kubernetes-oULibp/kubernetes-1.20.5+really1.20.2/_output/local/go/src/k8s.io/kubernetes/vendor/k8s.io/klog/v2/klog.go:417
 +0xf6

goroutine 10 [select]:
k8s.io/kubernetes/vendor/k8s.io/apimachinery/pkg/util/wait.BackoffUntil(0x0?, 
{0x19ff380, 0xc00069e630}, 0x1, 0xc000046c00)
        
/build/kubernetes-oULibp/kubernetes-1.20.5+really1.20.2/_output/local/go/src/k8s.io/kubernetes/vendor/k8s.io/apimachinery/pkg/util/wait/wait.go:167
 +0x135
k8s.io/kubernetes/vendor/k8s.io/apimachinery/pkg/util/wait.JitterUntil(0x0?, 
0x12a05f200, 0x0, 0x0?, 0x0?)
        
/build/kubernetes-oULibp/kubernetes-1.20.5+really1.20.2/_output/local/go/src/k8s.io/kubernetes/vendor/k8s.io/apimachinery/pkg/util/wait/wait.go:133
 +0x89
k8s.io/kubernetes/vendor/k8s.io/apimachinery/pkg/util/wait.Until(0x0?, 0x0?, 
0x0?)
        
/build/kubernetes-oULibp/kubernetes-1.20.5+really1.20.2/_output/local/go/src/k8s.io/kubernetes/vendor/k8s.io/apimachinery/pkg/util/wait/wait.go:90
 +0x25
created by k8s.io/kubernetes/vendor/k8s.io/kubectl/pkg/util/logs.InitLogs
        
/build/kubernetes-oULibp/kubernetes-1.20.5+really1.20.2/_output/local/go/src/k8s.io/kubernetes/vendor/k8s.io/kubectl/pkg/util/logs/logs.go:51
 +0xaa

--- End Message ---
--- Begin Message --- 
A new version of the Kubernetes source package has migrated to testing:

https://tracker.debian.org/news/1632970/kubernetes-1314ds-2-migrated-to-testing/

This update includes a new binary package for kubectl, now shipping version
1.34.4.

https://packages.debian.org/source/unstable/kubernetes

To ensure this version resolves the reported issue, an autopkgtest is now
in place to run basic kubectl commands.

https://salsa.debian.org/kubernetes-team/packages/kubernetes/-/blob/53734430a41e23c4ede39546dbe0be795060d872/debian/tests/kubectl.sh#L19

At a certain point in the script, the command kubectl config use-context is
executed twice to switch between two Kind clusters.

Kind regards,
Arthur Diniz

--- End Message ---

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