* kmemleak complaint on 4.11-rc1
@ 2017-03-09 13:27 Sagi Grimberg
2017-03-09 13:30 ` Trond Myklebust
0 siblings, 1 reply; 2+ messages in thread
From: Sagi Grimberg @ 2017-03-09 13:27 UTC (permalink / raw)
To: Linux NFS Mailing List
Hey all,
I get this with nfs mount on my VM (4.11-rc1):
from dmesg:
[ 1889.676648] kmemleak: 8254 new suspected memory leaks (see
/sys/kernel/debug/kmemleak)
$ cat /sys/kernel/debug/kmemleak
...
unreferenced object 0xffff96c67a192a80 (size 32):
comm "kworker/0:3", pid 266, jiffies 4295080946 (age 6406.600s)
hex dump (first 32 bytes):
31 30 30 30 00 ff 0f 88 0a fc ff ff 41 83 ff 01 1000........A...
0f 8e 75 01 00 00 41 8d 4f fc 83 f9 0b 0f 87 f3 ..u...A.O.......
backtrace:
[<ffffffffbb847eda>] kmemleak_alloc+0x4a/0xa0
[<ffffffffbb205949>] __kmalloc+0x149/0x270
[<ffffffffc0526590>] xdr_stream_decode_string_dup+0x80/0x110 [sunrpc]
[<ffffffffc0a03168>] decode_getfattr_attrs+0x8b8/0x15a0 [nfsv4]
[<ffffffffc0a03edc>]
decode_getfattr_generic.constprop.108+0x8c/0xe0 [nfsv4]
[<ffffffffc0a03fdd>] nfs4_xdr_dec_open+0xad/0xd0 [nfsv4]
[<ffffffffc051cf99>] rpcauth_unwrap_resp+0x89/0xd0 [sunrpc]
[<ffffffffc050db73>] call_decode+0x1e3/0x810 [sunrpc]
[<ffffffffc0519632>] __rpc_execute+0x82/0x450 [sunrpc]
[<ffffffffc0519a12>] rpc_async_schedule+0x12/0x20 [sunrpc]
[<ffffffffbb099e3b>] process_one_work+0x16b/0x480
[<ffffffffbb09a19b>] worker_thread+0x4b/0x500
[<ffffffffbb0a0591>] kthread+0x101/0x140
[<ffffffffbb85303c>] ret_from_fork+0x2c/0x40
[<ffffffffffffffff>] 0xffffffffffffffff
unreferenced object 0xffff96c67a192a60 (size 32):
comm "kworker/0:3", pid 266, jiffies 4295080947 (age 6406.596s)
hex dump (first 32 bytes):
31 30 30 30 00 ff ff 41 c6 85 90 00 00 00 00 41 1000...A.......A
0f b6 85 91 00 00 00 88 45 bf e9 db fd ff ff 44 ........E......D
backtrace:
[<ffffffffbb847eda>] kmemleak_alloc+0x4a/0xa0
[<ffffffffbb205949>] __kmalloc+0x149/0x270
[<ffffffffc0526590>] xdr_stream_decode_string_dup+0x80/0x110 [sunrpc]
[<ffffffffc0a03168>] decode_getfattr_attrs+0x8b8/0x15a0 [nfsv4]
[<ffffffffc0a03edc>]
decode_getfattr_generic.constprop.108+0x8c/0xe0 [nfsv4]
[<ffffffffc0a03fdd>] nfs4_xdr_dec_open+0xad/0xd0 [nfsv4]
[<ffffffffc051cf99>] rpcauth_unwrap_resp+0x89/0xd0 [sunrpc]
[<ffffffffc050db73>] call_decode+0x1e3/0x810 [sunrpc]
[<ffffffffc0519632>] __rpc_execute+0x82/0x450 [sunrpc]
[<ffffffffc0519a12>] rpc_async_schedule+0x12/0x20 [sunrpc]
[<ffffffffbb099e3b>] process_one_work+0x16b/0x480
[<ffffffffbb09a19b>] worker_thread+0x4b/0x500
[<ffffffffbb0a0591>] kthread+0x101/0x140
[<ffffffffbb85303c>] ret_from_fork+0x2c/0x40
[<ffffffffffffffff>] 0xffffffffffffffff
...
^ permalink raw reply [flat|nested] 2+ messages in thread
* Re: kmemleak complaint on 4.11-rc1
2017-03-09 13:27 kmemleak complaint on 4.11-rc1 Sagi Grimberg
@ 2017-03-09 13:30 ` Trond Myklebust
0 siblings, 0 replies; 2+ messages in thread
From: Trond Myklebust @ 2017-03-09 13:30 UTC (permalink / raw)
To: linux-nfs@vger.kernel.org, sagi@grimberg.me
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2017-03-09 13:27 kmemleak complaint on 4.11-rc1 Sagi Grimberg
2017-03-09 13:30 ` Trond Myklebust
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