This bug was fixed in the package linux-oem-5.6 - 5.6.0-1056.60
---------------
linux-oem-5.6 (5.6.0-1056.60) focal; urgency=medium
* focal/linux-oem-5.6: 5.6.0-1056.60 -proposed tracker (LP: #1923783)
* CVE-2021-29646
- tipc: better validate user input in tipc_nl_retrieve_key()
* CVE-2021-28375
- misc: fastrpc: restrict user apps from sending kernel RPC messages
* CVE-2020-35519
- net/x25: prevent a couple of overflows
* CVE-2021-30002
- media: v4l: ioctl: Fix memory leak in video_usercopy
* SND_PCI_QUIRK for Clevo NH55RZQ and Intel NUC10 (LP: #1922759)
- ALSA: hda/realtek: Add quirk for Intel NUC 10
- ALSA: hda/realtek: Add quirk for Clevo NH55RZQ
* CVE-2021-29650
- netfilter: x_tables: Use correct memory barriers.
* Fix implicit declaration warnings for kselftests/memfd test on newer
releases (LP: #1910323)
- selftests/memfd: Fix implicit declaration warnings
-- Chia-Lin Kao (AceLan) <[email protected]> Tue, 04 May 2021
11:46:25 +0800
** Changed in: linux-oem-5.6 (Ubuntu Focal)
Status: Fix Committed => Fix Released
** CVE added: https://cve.mitre.org/cgi-bin/cvename.cgi?name=2020-35519
** CVE added: https://cve.mitre.org/cgi-bin/cvename.cgi?name=2021-28375
** CVE added: https://cve.mitre.org/cgi-bin/cvename.cgi?name=2021-29646
** CVE added: https://cve.mitre.org/cgi-bin/cvename.cgi?name=2021-30002
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https://bugs.launchpad.net/bugs/1910323
Title:
Fix implicit declaration warnings for kselftests/memfd test on newer
releases
Status in linux package in Ubuntu:
Fix Released
Status in linux-oem-5.6 package in Ubuntu:
New
Status in linux source package in Focal:
Fix Released
Status in linux-oem-5.6 source package in Focal:
Fix Released
Status in linux source package in Groovy:
Fix Committed
Status in linux source package in Hirsute:
Fix Released
Bug description:
[Impact]
While debugging bug 1910277, I found that the test compilation will
print some warnings:
memfd_test.c:64:7: warning: implicit declaration of function ‘open’;
memfd_test.c:90:6: warning: implicit declaration of function ‘fcntl’
memfd_test.c:397:6: warning: implicit declaration of function ‘fallocate’;
fuse_test.c:67:6: warning: implicit declaration of function ‘fcntl’
fuse_test.c:261:7: warning: implicit declaration of function ‘open’;
It's harmless but fixing this we can make the test report easier to
read.
[Fix]
* 1c49e3783f8899 ("selftests/memfd: Fix implicit declaration warnings")
This fix can be cherry-picked into F/F-oem-5.6/G and compiled without
any problem. Older kernel does not have this issue since they're
missing some other commits.
[Test Case]
Build the memfd test in tools/testing/selftests/ with:
sudo make TARGETS=memfd
With this fix, these warnings will be gone.
[Where problems could occur]
This fix is just for fixing the test case compilation, so it's not
affecting real kernel functionality.
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