Marking X/F/G as Fix Released.
X/F got the patch via stable updates, thus no LP tag / bot messages.
Xenial version: 4.4.0-189.219
Focal version: 5.4.0-45.49
Groovy version: 5.8 and later.
** Changed in: linux (Ubuntu Xenial)
Status: Fix Committed => Fix Released
** Changed in: linux
This bug was fixed in the package linux - 4.15.0-115.116
---
linux (4.15.0-115.116) bionic; urgency=medium
* bionic/linux: 4.15.0-115.116 -proposed tracker (LP: #1893055)
* [Potential Regression] dscr_inherit_exec_test from powerpc in
ubuntu_kernel_selftests failed on B/E/F
The Eoan Ermine has reached end of life, so this bug will not be fixed
for that release
** Changed in: linux (Ubuntu Eoan)
Status: Fix Committed => Won't Fix
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Oh, and for "Eoan" (5.3/linux-hwe on Bionic), all good with stress-ng as
well.
$ uname -rv
5.3.0-66-generic #60-Ubuntu SMP Tue Aug 11 08:42:43 UTC 2020
$ ./stress-ng --version && ./stress-ng --af-alg 0 --timeout 2h 2>&1 | tee
../stress-ng.log.eoan-bionic-proposed
stress-ng, version 0.11.14 (gcc
I've also ran stress-ng as in comment #1 (below) on 4 CPUs for 8 hours
on X/B/F.
No signs of issues: it finishes successfully and no weird messages in
the kernel logs.
$ sudo modprobe -a \
$(modinfo \
/lib/modules/$(uname -r)/kernel/crypto/*.ko \
Verification done for bionic-proposed.
The reporter user confirmed that the organic reproducer (Varnish Cache
Plus with the Crypto vmod) ran successfully over the weekend with the
4.15.0-114-generic kernel, to approximately 3 days (2d 20h runtime.)
The same workload used to trigger the bug with
This bug is awaiting verification that the kernel in -proposed solves
the problem. Please test the kernel and update this bug with the
results. If the problem is solved, change the tag 'verification-needed-
bionic' to 'verification-done-bionic'. If the problem still exists,
change the tag
** Changed in: linux (Ubuntu Focal)
Status: In Progress => Fix Committed
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https://bugs.launchpad.net/bugs/1884766
Title:
use-after-free in af_alg_accept() due to bh_lock_sock()
** Changed in: linux (Ubuntu Bionic)
Status: In Progress => Fix Committed
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https://bugs.launchpad.net/bugs/1884766
Title:
use-after-free in af_alg_accept() due to bh_lock_sock()
** Changed in: linux (Ubuntu Eoan)
Status: In Progress => Fix Committed
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https://bugs.launchpad.net/bugs/1884766
Title:
use-after-free in af_alg_accept() due to bh_lock_sock()
** Changed in: linux (Ubuntu Xenial)
Status: In Progress => Fix Committed
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https://bugs.launchpad.net/bugs/1884766
Title:
use-after-free in af_alg_accept() due to bh_lock_sock()
Bionic: testing
==
original:
$ uname -rv
4.15.0-107-generic #108-Ubuntu SMP Mon Jun 8 17:51:33 UTC 2020
$ ./stress-ng --version
stress-ng, version 0.11.14 (gcc 7.5, x86_64 Linux 4.15.0-107-generic)
$ ./stress-ng --af-alg 0 --timeout 1h
Eoan: testing
original:
$ uname -rv
5.3.0-62-generic #56-Ubuntu SMP Tue Jun 23 11:20:52 UTC 2020
$ ./stress-ng --version
stress-ng, version 0.11.14 (gcc 9.2, x86_64 Linux 5.3.0-62-generic)
$ ./stress-ng --af-alg 0 --timeout 1h 2>&1 | tee
Xenial
==
original:
$ uname -rv
4.4.0-185-generic #215-Ubuntu SMP Mon Jun 8 21:53:19 UTC 2020
$ ./stress-ng --version
stress-ng, version 0.11.14 (gcc 5.4, x86_64 Linux 4.4.0-185-generic)
$ ./stress-ng --af-alg 0 --timeout 30m 2>&1 | tee
Common to all test runs: stress-ng version,
and command to load as many crypto modules
as found/possible in the system.
$ ./stress-ng --version
stress-ng, version 0.11.14 ()
$ sudo modprobe -a \
$(modinfo \
/lib/modules/$(uname -r)/kernel/crypto/*.ko \
[E/F/Unstable][PATCH 0/1] crypto: fix regression/use-after-free in
af_alg_accept()
https://lists.ubuntu.com/archives/kernel-team/2020-June/111620.html
[E/F/Unstable][PATCH 1/1] crypto: af_alg - fix use-after-free in
af_alg_accept() due to bh_lock_sock()
Disco: testing
=
original:
$ uname -rv
5.0.0-38-generic #41-Ubuntu SMP Tue Dec 3 00:27:35 UTC 2019
$ ./stress-ng --version
stress-ng, version 0.11.14 (gcc 8.3, x86_64 Linux 5.0.0-38-generic)
$ ./stress-ng --af-alg 0
Focal: testing
=
$ ./stress-ng --version
stress-ng, version 0.11.14 (gcc 9.3, x86_64 Linux 5.4.0-38-generic)
$ sudo modprobe -a \
$(modinfo \
/lib/modules/$(uname -r)/kernel/crypto/*.ko \
/lib/modules/$(uname -r)/kernel/arch/*/crypto/*.ko \
** Changed in: linux (Ubuntu Xenial)
Status: New => In Progress
** Changed in: linux (Ubuntu Xenial)
Importance: Undecided => Medium
** Changed in: linux (Ubuntu Xenial)
Assignee: (unassigned) => Mauricio Faria de Oliveira (mfo)
** Changed in: linux (Ubuntu Bionic)
Status:
** Description changed:
[Impact]
- * Users of the Linux kernel's crypto userspace API
-reported BUG() / kernel NULL pointer dereference
-errors after kernel upgrades.
+ * Users of the Linux kernel's crypto userspace API
+ reported BUG() / kernel NULL pointer dereference
+
** Description changed:
- This bug is for tracking and submitting this commit [1] once it lands in
- v5.8-rcN.
+ [Impact]
- [1]
-
https://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6.git/commit/?id=34c86f4c4a7be3b3e35aa48bd18299d4c756064d
+ * Users of the Linux kernel's crypto
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