The issue was introduced by upstream commit
6628ddfec7580882f11fdc5c194a8ea781fdadfa ("net: geneve: check skb is
large enough for IPv4/IPv6 header") and it's fixed by
d13f048dd40e8577260cd43faea8ec9b77520197 ("net: geneve: modify IP header
check in geneve6_xmit_skb and geneve_xmit_skb"), which is already
applied for the next SRU cycle as part of upstream stable update (bug
1930766).
** Also affects: linux (Ubuntu Groovy)
Importance: Undecided
Status: New
** Changed in: linux (Ubuntu Groovy)
Status: New => Confirmed
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https://bugs.launchpad.net/bugs/1931731
Title:
pmtu.sh from selftests.net in linux ADT test failure with
linux/5.8.0-56.63
Status in linux package in Ubuntu:
New
Status in linux source package in Groovy:
Confirmed
Bug description:
This is a scripted bug report about ADT failures while running linux
tests for linux/5.8.0-56.63 on groovy. Whether this is caused by the
dep8 tests of the tested source or the kernel has yet to be
determined.
Looks to be isolated to Groovy and appearing on all arches.
Testing failed on:
amd64:
https://autopkgtest.ubuntu.com/results/autopkgtest-groovy/groovy/amd64/l/linux/20210610_035450_9c9b9@/log.gz
arm64:
https://autopkgtest.ubuntu.com/results/autopkgtest-groovy/groovy/arm64/l/linux/20210611_103429_5c4be@/log.gz
ppc64el:
https://autopkgtest.ubuntu.com/results/autopkgtest-groovy/groovy/ppc64el/l/linux/20210611_013418_76b18@/log.gz
s390x:
https://autopkgtest.ubuntu.com/results/autopkgtest-groovy/groovy/s390x/l/linux/20210610_030630_fb359@/log.gz
02:56:31 DEBUG| [stdout] # selftests: net: pmtu.sh
02:56:31 DEBUG| [stdout] # TEST: ipv4: PMTU exceptions
[ OK ]
02:56:31 DEBUG| [stdout] # TEST: ipv4: PMTU exceptions - nexthop objects
[ OK ]
02:56:31 DEBUG| [stdout] # TEST: ipv6: PMTU exceptions
[ OK ]
02:56:32 DEBUG| [stdout] # TEST: ipv6: PMTU exceptions - nexthop objects
[ OK ]
02:56:33 DEBUG| [stdout] # TEST: IPv4 over vxlan4: PMTU exceptions
[ OK ]
02:56:34 DEBUG| [stdout] # TEST: IPv4 over vxlan4: PMTU exceptions - nexthop
objects [ OK ]
02:56:35 DEBUG| [stdout] # TEST: IPv6 over vxlan4: PMTU exceptions
[ OK ]
02:56:36 DEBUG| [stdout] # TEST: IPv6 over vxlan4: PMTU exceptions - nexthop
objects [ OK ]
02:56:38 DEBUG| [stdout] # TEST: IPv4 over vxlan6: PMTU exceptions
[ OK ]
02:56:39 DEBUG| [stdout] # TEST: IPv4 over vxlan6: PMTU exceptions - nexthop
objects [ OK ]
02:56:40 DEBUG| [stdout] # TEST: IPv6 over vxlan6: PMTU exceptions
[ OK ]
02:56:41 DEBUG| [stdout] # TEST: IPv6 over vxlan6: PMTU exceptions - nexthop
objects [ OK ]
02:56:43 DEBUG| [stdout] # TEST: IPv4 over geneve4: PMTU exceptions
[ OK ]
02:56:44 DEBUG| [stdout] # TEST: IPv4 over geneve4: PMTU exceptions - nexthop
objects [ OK ]
02:56:45 DEBUG| [stdout] # TEST: IPv6 over geneve4: PMTU exceptions
[ OK ]
02:56:46 DEBUG| [stdout] # TEST: IPv6 over geneve4: PMTU exceptions - nexthop
objects [ OK ]
02:56:48 DEBUG| [stdout] # TEST: IPv4 over geneve6: PMTU exceptions
[FAIL]
02:56:48 DEBUG| [stdout] # PMTU exception wasn't created after exceeding
link layer MTU on geneve interface
02:56:49 DEBUG| [stdout] # TEST: IPv4 over geneve6: PMTU exceptions - nexthop
objects [FAIL]
02:56:49 DEBUG| [stdout] # PMTU exception wasn't created after exceeding
link layer MTU on geneve interface
02:56:50 DEBUG| [stdout] # TEST: IPv6 over geneve6: PMTU exceptions
[ OK ]
02:56:51 DEBUG| [stdout] # TEST: IPv6 over geneve6: PMTU exceptions - nexthop
objects [ OK ]
02:56:53 DEBUG| [stdout] # TEST: IPv4 over fou4: PMTU exceptions
[ OK ]
02:56:54 DEBUG| [stdout] # TEST: IPv4 over fou4: PMTU exceptions - nexthop
objects [ OK ]
02:56:56 DEBUG| [stdout] # TEST: IPv6 over fou4: PMTU exceptions
[ OK ]
02:56:57 DEBUG| [stdout] # TEST: IPv6 over fou4: PMTU exceptions - nexthop
objects [ OK ]
02:56:58 DEBUG| [stdout] # TEST: IPv4 over fou6: PMTU exceptions
[ OK ]
02:56:59 DEBUG| [stdout] # TEST: IPv4 over fou6: PMTU exceptions - nexthop
objects [ OK ]
02:57:01 DEBUG| [stdout] # TEST: IPv6 over fou6: PMTU exceptions
[ OK ]
02:57:02 DEBUG| [stdout] # TEST: IPv6 over fou6: PMTU exceptions - nexthop
objects [ OK ]
02:57:03 DEBUG| [stdout] # TEST: IPv4 over gue4: PMTU exceptions
[ OK ]
02:57:04 DEBUG| [stdout] # TEST: IPv4 over gue4: PMTU exceptions - nexthop
objects [ OK ]
02:57:05 DEBUG| [stdout] # TEST: IPv6 over gue4: PMTU exceptions
[ OK ]
02:57:07 DEBUG| [stdout] # TEST: IPv6 over gue4: PMTU exceptions - nexthop
objects [ OK ]
02:57:08 DEBUG| [stdout] # TEST: IPv4 over gue6: PMTU exceptions
[ OK ]
02:57:09 DEBUG| [stdout] # TEST: IPv4 over gue6: PMTU exceptions - nexthop
objects [ OK ]
02:57:10 DEBUG| [stdout] # TEST: IPv6 over gue6: PMTU exceptions
[ OK ]
02:57:11 DEBUG| [stdout] # TEST: IPv6 over gue6: PMTU exceptions - nexthop
objects [ OK ]
02:57:13 DEBUG| [stdout] # TEST: IPv4 over IPv4: PMTU exceptions
[ OK ]
02:57:14 DEBUG| [stdout] # TEST: IPv4 over IPv4: PMTU exceptions - nexthop
objects [ OK ]
02:57:15 DEBUG| [stdout] # TEST: IPv6 over IPv4: PMTU exceptions
[ OK ]
02:57:16 DEBUG| [stdout] # TEST: IPv6 over IPv4: PMTU exceptions - nexthop
objects [ OK ]
02:57:17 DEBUG| [stdout] # TEST: IPv4 over IPv6: PMTU exceptions
[ OK ]
02:57:19 DEBUG| [stdout] # TEST: IPv4 over IPv6: PMTU exceptions - nexthop
objects [ OK ]
02:57:20 DEBUG| [stdout] # TEST: IPv6 over IPv6: PMTU exceptions
[ OK ]
02:57:21 DEBUG| [stdout] # TEST: IPv6 over IPv6: PMTU exceptions - nexthop
objects [ OK ]
02:57:23 DEBUG| [stdout] # TEST: vti6: PMTU exceptions
[ OK ]
02:57:25 DEBUG| [stdout] # TEST: vti4: PMTU exceptions
[ OK ]
02:57:25 DEBUG| [stdout] # TEST: vti4: default MTU assignment
[ OK ]
02:57:26 DEBUG| [stdout] # TEST: vti6: default MTU assignment
[ OK ]
02:57:26 DEBUG| [stdout] # TEST: vti4: MTU setting on link creation
[ OK ]
02:57:26 DEBUG| [stdout] # TEST: vti6: MTU setting on link creation
[ OK ]
02:57:26 DEBUG| [stdout] # TEST: vti6: MTU changes on link changes
[ OK ]
02:57:29 DEBUG| [stdout] # TEST: ipv4: cleanup of cached exceptions
[ OK ]
02:57:33 DEBUG| [stdout] # TEST: ipv4: cleanup of cached exceptions - nexthop
objects [ OK ]
02:57:36 DEBUG| [stdout] # TEST: ipv6: cleanup of cached exceptions
[ OK ]
02:57:39 DEBUG| [stdout] # TEST: ipv6: cleanup of cached exceptions - nexthop
objects [ OK ]
02:58:01 DEBUG| [stdout] # TEST: ipv4: list and flush cached exceptions
[ OK ]
02:58:22 DEBUG| [stdout] # TEST: ipv4: list and flush cached exceptions -
nexthop objects [ OK ]
02:58:23 DEBUG| [stdout] # TEST: ipv6: list and flush cached exceptions
[ OK ]
02:58:24 DEBUG| [stdout] # TEST: ipv6: list and flush cached exceptions -
nexthop objects [ OK ]
02:58:24 DEBUG| [stdout] # TEST: ipv4: PMTU exception w/route replace
[ OK ]
02:58:25 DEBUG| [stdout] # TEST: ipv4: PMTU exception w/route replace -
nexthop objects [ OK ]
02:58:25 DEBUG| [stdout] # TEST: ipv6: PMTU exception w/route replace
[ OK ]
02:58:26 DEBUG| [stdout] # TEST: ipv6: PMTU exception w/route replace -
nexthop objects [ OK ]
02:58:26 DEBUG| [stdout] not ok 16 selftests: net: pmtu.sh # exit=1
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