From: Paulo Alcantara <pc@manguebit.com>
To: nspmangalore@gmail.com, smfrench@gmail.com,
bharathsm.hsk@gmail.com, linux-cifs@vger.kernel.org
Cc: Shyam Prasad N <sprasad@microsoft.com>
Subject: Re: [PATCH 12/14] cifs: handle when server stops supporting multichannel
Date: Wed, 08 Nov 2023 16:13:16 -0300 [thread overview]
Message-ID: <5890a4eec52f50b271ba8188f1ace1c9.pc@manguebit.com> (raw)
In-Reply-To: <notmuch-sha1-9ed0289358ca5c90903408ad9c0ac0310afee598>
Also found memory leaks
...
unreferenced object 0xffff88801c8ca600 (size 192):
comm "python3", pid 14002, jiffies 4300343883 (age 4393.481s)
hex dump (first 32 bytes):
f0 a2 8b 17 80 88 ff ff f0 a2 8b 17 80 88 ff ff ................
01 00 00 00 00 00 00 00 00 ca 9a 3b 00 00 00 00 ...........;....
backtrace:
[<ffffffff8144e3f5>] __kmem_cache_alloc_node+0x295/0x2d0
[<ffffffff813ab1aa>] kmalloc_trace+0x2a/0xc0
[<ffffffffc016178d>] parse_server_interfaces+0x4ed/0xcc0 [cifs]
[<ffffffffc016ae13>] SMB3_request_interfaces+0x163/0x2b0 [cifs]
[<ffffffffc016b0dd>] smb3_qfs_tcon+0x16d/0x2c0 [cifs]
[<ffffffffc01102c1>] cifs_mount_get_tcon+0x3b1/0x550 [cifs]
[<ffffffffc01a2471>] dfs_mount_share+0xcc1/0xfa0 [cifs]
[<ffffffffc011089a>] cifs_mount+0xda/0x4c0 [cifs]
[<ffffffffc01006d5>] cifs_smb3_do_mount+0x1e5/0xcc0 [cifs]
[<ffffffffc01954cd>] smb3_get_tree+0x16d/0x380 [cifs]
[<ffffffff8147c1ad>] vfs_get_tree+0x4d/0x190
[<ffffffff814bdbc3>] fc_mount+0x13/0x60
[<ffffffffc019aae4>] cifs_do_automount.isra.0+0x3c4/0x4d0 [cifs]
[<ffffffffc019ae3d>] cifs_d_automount+0x4d/0x1b0 [cifs]
[<ffffffff8148b01c>] __traverse_mounts+0xcc/0x300
[<ffffffff8149350b>] step_into+0x54b/0xd30
and leaked server connections
Display Internal CIFS Data Structures for Debugging
---------------------------------------------------
CIFS Version 2.46
Features: DFS,FSCACHE,STATS2,DEBUG2,ALLOW_INSECURE_LEGACY,CIFS_POSIX,UPCALL(SPNEGO),XATTR,ACL,WITNESS
CIFSMaxBufSize: 16384
Active VFS Requests: 0
Servers:
1) ConnectionId: 0x70e Hostname: w22-root2.gandalf.test
ClientGUID: 44DAE383-3E91-3042-85FE-87D6F17298B7
Number of credits: 1,1,1 Dialect 0x210
Server capabilities: 0x300007
TCP status: 4 Instance: 77
Local Users To Server: 1 SecMode: 0x1 Req On Wire: 0 Net namespace: 4026531840
In Send: 0 In MaxReq Wait: 0
DFS leaf full path: \\W22-ROOT1.GANDALF.TEST\dfstest3\link10
Sessions:
[NONE]
2) ConnectionId: 0x706 Hostname: w22-root2.gandalf.test
ClientGUID: C8CF45E4-F70D-DF40-8821-0234A2E20DD4
Number of credits: 1,1,1 Dialect 0x210
Server capabilities: 0x300007
TCP status: 4 Instance: 81
Local Users To Server: 1 SecMode: 0x1 Req On Wire: 0 Net namespace: 4026531840
In Send: 0 In MaxReq Wait: 0
DFS leaf full path: \\W22-ROOT1.GANDALF.TEST\dfstest3\link6
Sessions:
[NONE]
3) ConnectionId: 0x6ae Hostname: w22-root1.gandalf.test
ClientGUID: AB059CDD-12FF-B94D-B30C-9E1928ACBA95
Number of credits: 1,1,1 Dialect 0x210
Server capabilities: 0x300007
TCP status: 4 Instance: 96
Local Users To Server: 1 SecMode: 0x1 Req On Wire: 0 Net namespace: 4026531840
In Send: 0 In MaxReq Wait: 0
DFS leaf full path: \\W22-ROOT1.GANDALF.TEST\dfstest3\link9
Sessions:
[NONE]
...
while running reconnect tests.
next prev parent reply other threads:[~2023-11-08 19:13 UTC|newest]
Thread overview: 61+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-10-30 11:00 [PATCH 01/14] cifs: print server capabilities in DebugData nspmangalore
2023-10-30 11:00 ` [PATCH 02/14] cifs: add xid to query server interface call nspmangalore
2023-10-31 5:35 ` Bharath SM
2023-10-30 11:00 ` [PATCH 03/14] cifs: reconnect helper should set reconnect for the right channel nspmangalore
2023-10-31 15:27 ` Paulo Alcantara
2023-10-31 18:29 ` Steve French
2023-10-30 11:00 ` [PATCH 04/14] cifs: do not reset chan_max if multichannel is not supported at mount nspmangalore
2023-11-01 2:57 ` Steve French
2023-11-01 3:14 ` Steve French
2023-10-30 11:00 ` [PATCH 05/14] cifs: force interface update before a fresh session setup nspmangalore
2023-11-01 3:14 ` Steve French
2023-10-30 11:00 ` [PATCH 06/14] cifs: handle cases where a channel is closed nspmangalore
2023-11-01 3:09 ` Steve French
2023-11-02 12:26 ` Shyam Prasad N
2023-10-30 11:00 ` [PATCH 07/14] cifs: distribute channels across interfaces based on speed nspmangalore
2023-10-30 11:00 ` [PATCH 08/14] cifs: account for primary channel in the interface list nspmangalore
2023-11-08 15:44 ` Paulo Alcantara
2023-11-08 18:16 ` Steve French
2023-11-08 19:03 ` Paulo Alcantara
2023-10-30 11:00 ` [PATCH 09/14] cifs: add a back pointer to cifs_sb from tcon nspmangalore
2023-11-01 3:30 ` Steve French
2023-11-03 21:03 ` Paulo Alcantara
2023-11-06 16:12 ` Shyam Prasad N
2023-11-06 17:04 ` Shyam Prasad N
[not found] ` <CAH2r5msQLTcdiHBrOKd+q6LPPHW_Jj3QbpFZyZ48CJbrtDqC5w@mail.gmail.com>
[not found] ` <CAH2r5mt4hC5x2w2D46y13j_OtjkJk9_ZaeGXbb7YKukffBk2LQ@mail.gmail.com>
2023-11-06 19:36 ` Fwd: " Steve French
2023-11-08 15:24 ` Paulo Alcantara
2023-11-08 16:11 ` Steve French
2023-10-30 11:00 ` [PATCH 10/14] cifs: reconnect work should have reference on server struct nspmangalore
2023-11-16 17:10 ` Paulo Alcantara
[not found] ` <CAH2r5mtDeP323Z8=9WjCCYVVb9B2AmO5Q4PDtcMz8wxVUCVRBA@mail.gmail.com>
2023-11-16 19:35 ` Paulo Alcantara
2023-10-30 11:00 ` [PATCH 11/14] cifs: handle when server starts supporting multichannel nspmangalore
2023-11-01 3:30 ` Steve French
2023-11-01 15:52 ` Paulo Alcantara
2023-11-04 7:50 ` Shyam Prasad N
2023-11-02 20:28 ` Paulo Alcantara
2023-11-03 0:43 ` Steve French
2023-11-03 20:32 ` Paulo Alcantara
[not found] ` <notmuch-sha1-c3bfa7f4ae0bb24c5ee7cfddb408c2fbeca5d8f7>
2023-11-08 16:02 ` Paulo Alcantara
2023-11-08 19:25 ` Steve French
2023-11-08 19:31 ` Paulo Alcantara
2023-10-30 11:00 ` [PATCH 12/14] cifs: handle when server stops " nspmangalore
2023-11-08 16:35 ` Paulo Alcantara
[not found] ` <notmuch-sha1-9ed0289358ca5c90903408ad9c0ac0310afee598>
2023-11-08 19:13 ` Paulo Alcantara [this message]
2023-11-08 19:41 ` Paulo Alcantara
2023-11-09 11:44 ` Shyam Prasad N
2023-11-09 13:28 ` Paulo Alcantara
2023-11-09 13:49 ` Shyam Prasad N
2023-11-10 4:09 ` Shyam Prasad N
2023-11-11 17:23 ` Paulo Alcantara
2023-11-12 18:52 ` Steve French
[not found] ` <CAH2r5mvG3zLBxknPOuaz9=GarZO6n6bhcduiZHHfiqVYZYJiVQ@mail.gmail.com>
2023-11-12 19:32 ` Paulo Alcantara
2023-10-30 11:00 ` [PATCH 13/14] cifs: display the endpoint IP details in DebugData nspmangalore
2023-10-31 15:18 ` Paulo Alcantara
[not found] ` <notmuch-sha1-260ef7fe7af7face0e1486229c0fda5149fe14e2>
2023-11-01 14:12 ` Paulo Alcantara
2023-11-01 14:19 ` Steve French
2023-11-04 7:44 ` Shyam Prasad N
2023-11-04 19:00 ` Paulo Alcantara
2023-10-30 12:34 ` [PATCH 01/14] cifs: print server capabilities " Bharath SM
2023-10-30 12:40 ` Shyam Prasad N
2023-10-30 12:51 ` Shyam Prasad N
2023-10-30 14:54 ` Steve French
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