lkml.org 
[lkml]   [2021]   [Sep]   [27]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
Patch in this message
/
From
Subject[PATCH 5.14 011/162] cifs: Fix soft lockup during fsstress
Date
From: Rohith Surabattula <rohiths@microsoft.com>

commit 71826b068884050d5fdd37fda857ba1539c513d3 upstream.

Below traces are observed during fsstress and system got hung.
[ 130.698396] watchdog: BUG: soft lockup - CPU#6 stuck for 26s!

Cc: stable@vger.kernel.org # 5.13+
Signed-off-by: Rohith Surabattula <rohiths@microsoft.com>
Signed-off-by: Steve French <stfrench@microsoft.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
fs/cifs/misc.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)

--- a/fs/cifs/misc.c
+++ b/fs/cifs/misc.c
@@ -736,7 +736,7 @@ cifs_close_deferred_file(struct cifsInod
if (cancel_delayed_work(&cfile->deferred)) {
tmp_list = kmalloc(sizeof(struct file_list), GFP_ATOMIC);
if (tmp_list == NULL)
- continue;
+ break;
tmp_list->cfile = cfile;
list_add_tail(&tmp_list->list, &file_head);
}
@@ -767,7 +767,7 @@ cifs_close_all_deferred_files(struct cif
if (cancel_delayed_work(&cfile->deferred)) {
tmp_list = kmalloc(sizeof(struct file_list), GFP_ATOMIC);
if (tmp_list == NULL)
- continue;
+ break;
tmp_list->cfile = cfile;
list_add_tail(&tmp_list->list, &file_head);
}

\
 
 \ /
  Last update: 2021-09-27 19:19    [W:0.412 / U:1.764 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site