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** Changed in: linux (Ubuntu)
Status: New => Incomplete
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https://bugs.launchpad.net/bugs/1890136
Title:
Return value in rtnetlink.sh from kselftests/net will be override in
the last test
Status in ubuntu-kernel-tests:
In Progress
Status in linux package in Ubuntu:
Incomplete
Bug description:
In this test, it uses ret to store the return value of each test.
However, this value will be reset to 0 in the beginning of each test.
In the end of this test, it will judge PASS/FAIL base on this value.
Thus this will cause false-negative in some cases.
Below is an example for the test on Bionic OEM-OSP1, test "ip6erspan",
"erspan", "ip6gretap" failed with return value 255, but the return value will
soon be overridden with 0 if following test passed without any issue (I made
the test to print === RET $ret === line for debugging purpose):
PASS: policy routing
=== RET 0 ===
PASS: route get
=== RET 0 ===
PASS: preferred_lft addresses have expired
=== RET 0 ===
PASS: tc htb hierarchy
=== RET 0 ===
PASS: gre tunnel endpoint
=== RET 0 ===
PASS: gretap
=== RET 0 ===
Usage: ... { ip6gre | ip6gretap | ip6erspan} [ remote ADDR ]
[ local ADDR ]
[ [i|o]seq ]
[ [i|o]key KEY ]
[ [i|o]csum ]
[ hoplimit TTL ]
[ encaplimit ELIM ]
[ tclass TCLASS ]
[ flowlabel FLOWLABEL ]
[ dscp inherit ]
[ fwmark MARK ]
[ dev PHYS_DEV ]
[ noencap ]
[ encap { fou | gue | none } ]
[ encap-sport PORT ]
[ encap-dport PORT ]
[ [no]encap-csum ]
[ [no]encap-csum6 ]
[ [no]encap-remcsum ]
[ erspan IDX ]
Where: ADDR := IPV6_ADDRESS
TTL := { 0..255 } (default=64)
KEY := { DOTTED_QUAD | NUMBER }
ELIM := { none | 0..255 }(default=4)
TCLASS := { 0x0..0xff | inherit }
FLOWLABEL := { 0x0..0xfffff | inherit }
MARK := { 0x0..0xffffffff | inherit }
Cannot find device "ip6gretap00"
FAIL: ip6gretap
=== RET 255 ===
Usage: ... { gre | gretap | erspan } [ remote ADDR ]
[ local ADDR ]
[ [i|o]seq ]
[ [i|o]key KEY ]
[ [i|o]csum ]
[ ttl TTL ]
[ tos TOS ]
[ [no]pmtudisc ]
[ [no]ignore-df ]
[ dev PHYS_DEV ]
[ noencap ]
[ encap { fou | gue | none } ]
[ encap-sport PORT ]
[ encap-dport PORT ]
[ [no]encap-csum ]
[ [no]encap-csum6 ]
[ [no]encap-remcsum ]
[ external ]
[ fwmark MARK ]
[ erspan IDX ]
Where: ADDR := { IP_ADDRESS | any }
TOS := { NUMBER | inherit }
TTL := { 1..255 | inherit }
KEY := { DOTTED_QUAD | NUMBER }
MARK := { 0x0..0xffffffff }
Cannot find device "erspan00"
Cannot find device "erspan00"
Cannot find device "erspan00"
Usage: ... { gre | gretap | erspan } [ remote ADDR ]
[ local ADDR ]
[ [i|o]seq ]
[ [i|o]key KEY ]
[ [i|o]csum ]
[ ttl TTL ]
[ tos TOS ]
[ [no]pmtudisc ]
[ [no]ignore-df ]
[ dev PHYS_DEV ]
[ noencap ]
[ encap { fou | gue | none } ]
[ encap-sport PORT ]
[ encap-dport PORT ]
[ [no]encap-csum ]
[ [no]encap-csum6 ]
[ [no]encap-remcsum ]
[ external ]
[ fwmark MARK ]
[ erspan IDX ]
Where: ADDR := { IP_ADDRESS | any }
TOS := { NUMBER | inherit }
TTL := { 1..255 | inherit }
KEY := { DOTTED_QUAD | NUMBER }
MARK := { 0x0..0xffffffff }
Cannot find device "erspan00"
Cannot find device "erspan00"
Cannot find device "erspan00"
FAIL: erspan
=== RET 255 ===
Usage: ... { ip6gre | ip6gretap | ip6erspan} [ remote ADDR ]
[ local ADDR ]
[ [i|o]seq ]
[ [i|o]key KEY ]
[ [i|o]csum ]
[ hoplimit TTL ]
[ encaplimit ELIM ]
[ tclass TCLASS ]
[ flowlabel FLOWLABEL ]
[ dscp inherit ]
[ fwmark MARK ]
[ dev PHYS_DEV ]
[ noencap ]
[ encap { fou | gue | none } ]
[ encap-sport PORT ]
[ encap-dport PORT ]
[ [no]encap-csum ]
[ [no]encap-csum6 ]
[ [no]encap-remcsum ]
[ erspan IDX ]
Where: ADDR := IPV6_ADDRESS
TTL := { 0..255 } (default=64)
KEY := { DOTTED_QUAD | NUMBER }
ELIM := { none | 0..255 }(default=4)
TCLASS := { 0x0..0xff | inherit }
FLOWLABEL := { 0x0..0xfffff | inherit }
MARK := { 0x0..0xffffffff | inherit }
Cannot find device "ip6erspan00"
Cannot find device "ip6erspan00"
Cannot find device "ip6erspan00"
Usage: ... { ip6gre | ip6gretap | ip6erspan} [ remote ADDR ]
[ local ADDR ]
[ [i|o]seq ]
[ [i|o]key KEY ]
[ [i|o]csum ]
[ hoplimit TTL ]
[ encaplimit ELIM ]
[ tclass TCLASS ]
[ flowlabel FLOWLABEL ]
[ dscp inherit ]
[ fwmark MARK ]
[ dev PHYS_DEV ]
[ noencap ]
[ encap { fou | gue | none } ]
[ encap-sport PORT ]
[ encap-dport PORT ]
[ [no]encap-csum ]
[ [no]encap-csum6 ]
[ [no]encap-remcsum ]
[ erspan IDX ]
Where: ADDR := IPV6_ADDRESS
TTL := { 0..255 } (default=64)
KEY := { DOTTED_QUAD | NUMBER }
ELIM := { none | 0..255 }(default=4)
TCLASS := { 0x0..0xff | inherit }
FLOWLABEL := { 0x0..0xfffff | inherit }
MARK := { 0x0..0xffffffff | inherit }
Cannot find device "ip6erspan00"
Cannot find device "ip6erspan00"
Cannot find device "ip6erspan00"
Usage: ... { ip6gre | ip6gretap | ip6erspan} [ remote ADDR ]
[ local ADDR ]
[ [i|o]seq ]
[ [i|o]key KEY ]
[ [i|o]csum ]
[ hoplimit TTL ]
[ encaplimit ELIM ]
[ tclass TCLASS ]
[ flowlabel FLOWLABEL ]
[ dscp inherit ]
[ fwmark MARK ]
[ dev PHYS_DEV ]
[ noencap ]
[ encap { fou | gue | none } ]
[ encap-sport PORT ]
[ encap-dport PORT ]
[ [no]encap-csum ]
[ [no]encap-csum6 ]
[ [no]encap-remcsum ]
[ erspan IDX ]
Where: ADDR := IPV6_ADDRESS
TTL := { 0..255 } (default=64)
KEY := { DOTTED_QUAD | NUMBER }
ELIM := { none | 0..255 }(default=4)
TCLASS := { 0x0..0xff | inherit }
FLOWLABEL := { 0x0..0xfffff | inherit }
MARK := { 0x0..0xffffffff | inherit }
Cannot find device "ip6erspan00"
FAIL: ip6erspan
=== RET 255 ===
PASS: bridge setup
=== RET 0 ===
PASS: ipv6 addrlabel
=== RET 0 ===
PASS: set ifalias a1214e60-3ac4-4fd4-8a98-aac4c0b4bfab for test-dummy0
=== RET 0 ===
PASS: vrf
=== RET 0 ===
PASS: vxlan
FAIL: can't add fou port 7777, skipping test
=== RET 0 ===
PASS: macsec
=== RET 0 ===
PASS: ipsec
=== RET 0 ===
PASS: ipsec_offload
=== RET 0 ===
SKIP: fdb get tests: iproute2 too old
=== RET 0 ===
SKIP: fdb get tests: iproute2 too old
=== RET 0 ===
=== RET 0 ===
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