This bug was fixed in the package linux-azure - 5.4.0-1049.51
---------------
linux-azure (5.4.0-1049.51) focal; urgency=medium
* focal/linux-azure: 5.4.0-1049.51 -proposed tracker (LP: #1930703)
* cifs: On cifs_reconnect, resolve the hostname again (LP: #1929831)
- cifs: rename reconn_inval_dfs_target()
- cifs: Simplify reconnect code when dfs upcall is enabled
- cifs: Avoid error pointer dereference
- cifs: On cifs_reconnect, resolve the hostname again.
-- Tim Gardner <[email protected]> Thu, 03 Jun 2021 09:17:13
-0600
** Changed in: linux-azure (Ubuntu Focal)
Status: Fix Committed => Fix Released
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https://bugs.launchpad.net/bugs/1929831
Title:
cifs: On cifs_reconnect, resolve the hostname again
Status in linux package in Ubuntu:
New
Status in linux-azure package in Ubuntu:
New
Status in linux source package in Focal:
New
Status in linux-azure source package in Focal:
Fix Released
Bug description:
SRU Justification
[Impact]
The Microsoft CIFS team is requesting below patch to be backported for
5.4 Azure tuned kernel
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=4e456b30f78c429b183db420e23b26cde7e03a78
A customer is encountering the bug fixed by this patch.
[Fix]
7d397a034d5c45528c7bdf7fc3752c4793029cce cifs: rename
reconn_inval_dfs_target()
7d6535b720421d58886d5590ffc3617d359aa871 cifs: Simplify reconnect code when
dfs upcall is enabled
4e456b30f78c429b183db420e23b26cde7e03a78 cifs: On cifs_reconnect, resolve the
hostname again.
The first 2 patches are scaffolding to make the backport simpler. the
3rd patch is the bug fix.
[Test Plan]
The test kernel at https://launchpad.net/~timg-tpi/+archive/ubuntu
/cifs-reconnect-sf00309672 has been found to fix the issue.
[Where problems could occur]
This could perturb CIFS connections in new and different ways.
[Other Info]
https://canonical.my.salesforce.com/5004K000005pQNG
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