** Changed in: linux (Ubuntu Bionic)
Status: In Progress => Fix Committed
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https://bugs.launchpad.net/bugs/1840935
Title:
[Regression] net test from ubuntu_kernel_selftests failed due to bpf
test compilation issue
Status in ubuntu-kernel-tests:
New
Status in linux package in Ubuntu:
Incomplete
Status in linux source package in Bionic:
Fix Committed
Bug description:
[Impact]
Commit a25d38b54163 (bpf: relax verifier restriction on BPF_MOV | BPF_ALU) in
Bionic tree
Is causing bpf test compilation failure:
$ sudo make -C tools/testing/selftests TARGETS=bpf run_tests
make: Entering directory
'/home/jenkins/ubuntu-gke-4.15-bionic/tools/testing/selftests'
make[1]: Entering directory
'/home/jenkins/ubuntu-gke-4.15-bionic/tools/testing/selftests/bpf'
make -C ../../../lib/bpf
OUTPUT=/home/jenkins/ubuntu-gke-4.15-bionic/tools/testing/selftests/bpf/
make[2]: Entering directory
'/home/jenkins/ubuntu-gke-4.15-bionic/tools/lib/bpf'
Warning: Kernel ABI header at 'tools/include/uapi/linux/bpf.h' differs from
latest version at 'include/uapi/linux/bpf.h'
make[2]: Leaving directory
'/home/jenkins/ubuntu-gke-4.15-bionic/tools/lib/bpf'
make -C ../../../lib/bpf
OUTPUT=/home/jenkins/ubuntu-gke-4.15-bionic/tools/testing/selftests/bpf/
make[2]: Entering directory
'/home/jenkins/ubuntu-gke-4.15-bionic/tools/lib/bpf'
Warning: Kernel ABI header at 'tools/include/uapi/linux/bpf.h' differs from
latest version at 'include/uapi/linux/bpf.h'
make[2]: Leaving directory
'/home/jenkins/ubuntu-gke-4.15-bionic/tools/lib/bpf'
gcc -Wall -O2 -I../../../include/uapi -I../../../lib
-I../../../../include/generated -I../../../include test_verifier.c
/home/jenkins/ubuntu-gke-4.15-bionic/tools/testing/selftests/bpf/libbpf.a
/home/jenkins/ubuntu-gke-4.15-bionic/tools/testing/selftests/bpf/cgroup_helpers.c
-lcap -lelf -lrt -o
/home/jenkins/ubuntu-gke-4.15-bionic/tools/testing/selftests/bpf/test_verifier
test_verifier.c:2173:4: error: ‘struct bpf_test’ has no member named ‘retval’
.retval = 0,
^~~~~~
../lib.mk:121: recipe for target
'/home/jenkins/ubuntu-gke-4.15-bionic/tools/testing/selftests/bpf/test_verifier'
failed
make[1]: ***
[/home/jenkins/ubuntu-gke-4.15-bionic/tools/testing/selftests/bpf/test_verifier]
Error 1
make[1]: Leaving directory
'/home/jenkins/ubuntu-gke-4.15-bionic/tools/testing/selftests/bpf'
Makefile:73: recipe for target 'all' failed
make: *** [all] Error 2
make: Leaving directory
'/home/jenkins/ubuntu-gke-4.15-bionic/tools/testing/selftests'
[Fix]
Bionic misses 111e6b45315c (selftests/bpf: make test_verifier run most
programs), which adds the 'retval' member to struct bpf_test. The fix is a
SAUCE patch to remove setting '.retval = 0'.
[Test Case]
Run bpf kernel selftests.
[Regression Potential]
Low. There's a chance that not backporting 111e6b45315c (selftests/bpf: make
test_verifier run most programs) will cause possible bugs on the changes added
by a25d38b54163 (bpf: relax verifier restriction on BPF_MOV | BPF_ALU) to
remain uncaught.
------------------------------------------------
ProblemType: Bug
DistroRelease: Ubuntu 18.04
Package: linux-image-4.15.0-1040-gke 4.15.0-1040.42
ProcVersionSignature: Ubuntu 4.15.0-1040.42-gke 4.15.18
Uname: Linux 4.15.0-1040-gke x86_64
ApportVersion: 2.20.9-0ubuntu7.7
Architecture: amd64
Date: Wed Aug 21 15:09:32 2019
ProcEnviron:
TERM=xterm-256color
PATH=(custom, no user)
XDG_RUNTIME_DIR=<set>
LANG=C.UTF-8
SHELL=/bin/bash
SourcePackage: linux-signed-gke-4.15
UpgradeStatus: No upgrade log present (probably fresh install)
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