1:59 p.m.
FYI, we noticed the following commit:
commit: 99f64a2676f0bec4ad32e39fc76eb0914ee091b8 ("fs: Harden against open(...,
O_CREAT, 02777) in a setgid directory")
https://git.kernel.org/pub/scm/linux/kernel/git/luto/linux.git vfs/suid
in testcase: ltp
with following parameters:
test: ltplite
test-description: The LTP testsuite contains a collection of tools for testing the Linux
kernel and related features.
test-url: http://linux-test-project.github.io/
on test machine: 88 threads Intel(R) Xeon(R) CPU E5-2699 v4 @ 2.20GHz with 128G memory
caused below changes (please refer to attached dmesg/kmsg for entire log/backtrace):
user :notice: [ 113.810232] tag=creat08 stime=1485669539
user :notice: [ 113.810724] cmdline="creat08"
user :notice: [ 113.811048] contacts=""
user :notice: [ 113.811427] analysis=exit
user :notice: [ 113.811919] <<<test_output>>>
user :notice: [ 113.813322] creat08 1 TPASS : Test passed in block0.
user :notice: [ 113.814681] creat08 2 TPASS : Test passed in block1.
user :notice: [ 113.817942] creat08 3 TFAIL : creat08.c:366:
testdir.B.2467/setgid: Incorrect modes, setgid bit should be set
user :notice: [ 113.819664] creat08 4 TFAIL : creat08.c:374: Test failed in
block2.
[...]
user :notice: [ 244.775233] tag=open10 stime=1485669670
user :notice: [ 244.775505] cmdline="open10"
user :notice: [ 244.775695] contacts=""
user :notice: [ 244.775923] analysis=exit
user :notice: [ 244.776216] <<<test_output>>>
user :notice: [ 244.777045] open10 1 TPASS : Test passed in block0.
user :notice: [ 244.777883] open10 2 TPASS : Test passed in block1.
user :notice: [ 244.779876] open10 3 TFAIL : open10.c:352:
open10.testdir.B.5503/setgid: Incorrect modes, setgid bit not set
user :notice: [ 244.780976] open10 4 TFAIL : open10.c:359: Test failed in
block2.
user :notice: [ 244.781811] open10 5 TPASS : Test passed in block3.
user :notice: [ 244.783235] open10 6 TFAIL : open10.c:443: Test failed because
of above failures.
user :notice: [ 244.775233] tag=open10 stime=1485669670
user :notice: [ 244.775505] cmdline="open10"
user :notice: [ 244.775695] contacts=""
user :notice: [ 244.775923] analysis=exit
user :notice: [ 244.776216] <<<test_output>>>
user :notice: [ 244.777045] open10 1 TPASS : Test passed in block0.
user :notice: [ 244.777883] open10 2 TPASS : Test passed in block1.
user :notice: [ 244.779876] open10 3 TFAIL : open10.c:352:
open10.testdir.B.5503/setgid: Incorrect modes, setgid bit not set
user :notice: [ 244.780976] open10 4 TFAIL : open10.c:359: Test failed in
block2.
user :notice: [ 244.781811] open10 5 TPASS : Test passed in block3.
user :notice: [ 244.783235] open10 6 TFAIL : open10.c:443: Test failed because
of above failures.
To reproduce:
git clone git://git.kernel.org/pub/scm/linux/kernel/git/wfg/lkp-tests.git
cd lkp-tests
bin/lkp install job.yaml # job file is attached in this email
bin/lkp run job.yaml
Thanks,
Xiaolong