** Description changed:
- Issue found on F-oem-5.6
+ [Impact]
+ Failure to run ip_defrag deterministically.
# selftests: net: ip_defrag.sh
# ipv4 defrag
# PASS
# seed = 1608066927
# ipv4 defrag with overlaps
# PASS
# seed = 1608066928
# ipv6 defrag
# PASS
# seed = 1608066933
# ipv6 defrag with overlaps
# PASS
# seed = 1608066933
# ipv6 nf_conntrack defrag
# seed = 1608066941
# ./ip_defrag: recv: payload_len = 9990 max_frag_len = 8: Resource
temporarily unavailable
not ok 18 selftests: net: ip_defrag.sh # exit=1
[Fix]
* 065fcfd49763ec ("selftests: net: ip_defrag: ignore EPERM")
+ Use smaller packets and ignore EPERM.
+
+ This fix has already landed on other generic kernels in bug 1826848
+
+ [Test case]
+ Run the ip_defrag.sh multiple times without observing failures.
+
+ [Where problems could occur]
+ If the test fix is incorrect, it will cause us to miss real kernel bugs.
** Description changed:
[Impact]
Failure to run ip_defrag deterministically.
# selftests: net: ip_defrag.sh
# ipv4 defrag
# PASS
# seed = 1608066927
# ipv4 defrag with overlaps
# PASS
# seed = 1608066928
# ipv6 defrag
# PASS
# seed = 1608066933
# ipv6 defrag with overlaps
# PASS
# seed = 1608066933
# ipv6 nf_conntrack defrag
# seed = 1608066941
# ./ip_defrag: recv: payload_len = 9990 max_frag_len = 8: Resource
temporarily unavailable
not ok 18 selftests: net: ip_defrag.sh # exit=1
[Fix]
* 065fcfd49763ec ("selftests: net: ip_defrag: ignore EPERM")
Use smaller packets and ignore EPERM.
This fix has already landed on other generic kernels in bug 1826848
[Test case]
Run the ip_defrag.sh multiple times without observing failures.
[Where problems could occur]
- If the test fix is incorrect, it will cause us to miss real kernel bugs.
+ Fix is limited to the testing tool, it won't affect kernel functionality but
the worst case is if the test fix is incorrect, it will cause us to miss real
kernel bugs.
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https://bugs.launchpad.net/bugs/1908498
Title:
ip_defrag.sh in net from ubuntu_kernel_selftests failed with Resource
temporarily unavailable on F-oem-5.6
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