Bug 2179342 - kernel: general protection fault, probably for non-canonical address PREEMPT SMP PT
Summary: kernel: general protection fault, probably for non-canonical address PREEMPT ...
Keywords:
Status: CLOSED ERRATA
Alias: None
Product: Red Hat Enterprise Linux 9
Classification: Red Hat
Component: kernel
Version: 9.2
Hardware: Unspecified
OS: Unspecified
unspecified
high
Target Milestone: rc
: ---
Assignee: Jeff Layton
QA Contact: Zhi Li
URL:
Whiteboard:
Depends On: 2150630
Blocks:
TreeView+ depends on / blocked
 
Reported: 2023-03-17 13:16 UTC by Jeff Layton
Modified: 2023-05-09 10:14 UTC (History)
37 users (show)

Fixed In Version: kernel-5.14.0-284.6.1.el9_2
Doc Type: If docs needed, set a value
Doc Text:
Clone Of: 2150630
Environment:
Last Closed: 2023-05-09 08:13:53 UTC
Type: Bug
Target Upstream Version:
Embargoed:

Attachments (Terms of Use)


Links
System ID Private Priority Status Summary Last Updated
Gitlab redhat/rhel/src/kernel rhel-9 merge_requests 590 0 None None None 2023-03-22 09:51:26 UTC
Red Hat Issue Tracker RHELPLAN-152203 0 None None None 2023-03-17 13:18:22 UTC
Red Hat Product Errata RHSA-2023:2458 0 None None None 2023-05-09 08:14:16 UTC

Description Jeff Layton 2023-03-17 13:16:57 UTC 
+++ This bug was initially created as a clone of Bug #2150630 +++

RHEL9.2 picked up the same patches that caused this bug. We'll need to take the eventual fix that I posted upstream this morning:

    https://lore.kernel.org/linux-nfs/20230317105608.19393-1-jlayton@kernel.org/T/#t

...ideally before 9.2 ships so we don't cause a regression.
Comment 2 Jeff Layton 2023-03-17 13:24:17 UTC 
Justification:

A rather nasty memory corruption bug in nfsd's splice read code has been taken into RHEL9.2. If we don't take the fix for this, then anyone running an NFS server with 9.2 kernels could end up crashing when trying to service client read requests.
Comment 23 Zhi Li 2023-04-03 13:05:24 UTC 
Sanity testing this issue based on comment#22,
Move status to VERIFIED.
Comment 25 errata-xmlrpc 2023-05-09 08:13:53 UTC 
Since the problem described in this bug report should be
resolved in a recent advisory, it has been closed with a
resolution of ERRATA.

For information on the advisory (Important: kernel security, bug fix, and enhancement update), and where to find the updated
files, follow the link below.

If the solution does not work for you, open a new bug report.

https://access.redhat.com/errata/RHSA-2023:2458
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