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Abnormal termination #3318

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cunvoas opened this issue Jul 6, 2021 · 5 comments
Closed

Abnormal termination #3318

cunvoas opened this issue Jul 6, 2021 · 5 comments
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@ainar-g
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bug P2: High
Milestone
v0.107.0

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@cunvoas
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cunvoas commented Jul 6, 2021

Hello,
With version v0.107.0-b.3

I have many times abnomal termination on ARM Synology DSM7 (native, not docker)

This is the stack trace :

  2021/07/06 13:01:55.363651 [error] dns: bad type <nil> in tableIPToHost for 192.168.1.4
  panic: runtime error: index out of range [0] with length 0
  
  goroutine 16547 [running]:
  github.com/AdguardTeam/dnsproxy/proxy.filterMsg(0x37f4f50, 0x37f4f50, 0x37f0000, 0x0)
          github.com/AdguardTeam/[email protected]/proxy/cache.go:260 +0x1ac
  github.com/AdguardTeam/dnsproxy/proxy.(*Proxy).Resolve(0x3224340, 0x332c6c0, 0x0, 0x0)
          github.com/AdguardTeam/[email protected]/proxy/proxy.go:480 +0x35c
  github.com/AdguardTeam/AdGuardHome/internal/dnsforward.(*Server).processUpstream(0x322a000, 0x37ac8a0, 0x0)
          github.com/AdguardTeam/AdGuardHome/internal/dnsforward/dns.go:543 +0x68
  github.com/AdguardTeam/AdGuardHome/internal/dnsforward.(*Server).handleDNSRequest(0x322a000, 0x3224340, 0x332c6c0, 0x0, 0x0)
          github.com/AdguardTeam/AdGuardHome/internal/dnsforward/dns.go:102 +0x21c
  github.com/AdguardTeam/dnsproxy/proxy.(*Proxy).handleDNSRequest(0x3224340, 0x332c6c0, 0x3, 0x30b7d60)
          github.com/AdguardTeam/[email protected]/proxy/server.go:127 +0x1e4
  github.com/AdguardTeam/dnsproxy/proxy.(*Proxy).udpHandlePacket(0x3224340, 0x33f46c0, 0x90, 0x90, 0x35edeac, 0x4, 0x4, 0x379ac78, 0x308b390)
          github.com/AdguardTeam/[email protected]/proxy/server_udp.go:105 +0x194
  github.com/AdguardTeam/dnsproxy/proxy.(*Proxy).udpPacketLoop.func1(0x3224340, 0x33f46c0, 0x90, 0x90, 0x35edeac, 0x4, 0x4, 0x379ac78, 0x308b390, 0x1a9af70, ...)
          github.com/AdguardTeam/[email protected]/proxy/server_udp.go:74 +0x5c
  created by github.com/AdguardTeam/dnsproxy/proxy.(*Proxy).udpPacketLoop
          github.com/AdguardTeam/[email protected]/proxy/server_udp.go:73 +0x334
@ainar-g ainar-g self-assigned this Jul 6, 2021
@ainar-g ainar-g added this to the v0.107.0 milestone Jul 6, 2021
@ainar-g
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ainar-g commented Jul 6, 2021

Thank you for the report! We'll try to fix asap.

@Disqu3-mirOir-qt
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2021/07/06 13:01:55.363651 [error] dns: bad type  in tableIPToHost for xxx.xxxx.xxx

i have same things only whith PTR request .arpa

adguard pushed a commit that referenced this issue Jul 6, 2021
@ainar-g
Pull request #1238: dnsforward: fix panic
1571609 
Updates #3318.

Squashed commit of the following:

commit eebaa3a
Author: Ainar Garipov <[email protected]>
Date:   Tue Jul 6 14:59:00 2021 +0300

    dnsforward: imp code

commit 7591a3b
Author: Ainar Garipov <[email protected]>
Date:   Tue Jul 6 14:55:33 2021 +0300

    dnsforward: fix panic
@ainar-g
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ainar-g commented Jul 6, 2021

This should be fixed on the edge channel as of revision 1571609. Could you please check if that fixes the panic?

@cunvoas
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cunvoas commented Jul 6, 2021

edge arm7-32 bit deployed ( v0.107.0-a.97+1571609e ) and running since 15 minutes.

After 2 hours usage without panic error, I will repost here an aknowledgement as good job.
Thanks a lot for your reactivity

@cunvoas
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cunvoas commented Jul 6, 2021

2 hours running without error and 20k queries sended.
This is solved for me.
Thanks

@cunvoas cunvoas closed this as completed Jul 6, 2021
heyxkhoa pushed a commit to heyxkhoa/AdGuardHome that referenced this issue Mar 20, 2023
@ainar-g @heyxkhoa
Pull request AdguardTeam#1238: dnsforward: fix panic
37bcaff 
Updates AdguardTeam#3318.

Squashed commit of the following:

commit eebaa3a
Author: Ainar Garipov <[email protected]>
Date:   Tue Jul 6 14:59:00 2021 +0300

    dnsforward: imp code

commit 7591a3b
Author: Ainar Garipov <[email protected]>
Date:   Tue Jul 6 14:55:33 2021 +0300

    dnsforward: fix panic
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@ainar-g ainar-g

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bug P2: High
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@cunvoas @ainar-g @Disqu3-mirOir-qt