From: Zhu Yanjun <yanjun.zhu@linux.dev>
To: Yi Zhang <yi.zhang@redhat.com>,
RDMA mailing list <linux-rdma@vger.kernel.org>
Cc: Shinichiro Kawasaki <shinichiro.kawasaki@wdc.com>,
Jason Gunthorpe <jgg@nvidia.com>,
leonro@nvidia.com
Subject: Re: [bug report] kmemleak in rdma_core observed during blktests nvme/rdma use siw
Date: Wed, 24 Apr 2024 17:57:35 +0200 [thread overview]
Message-ID: <19bf5745-1b3b-4b8a-81c2-20d945943aaf@linux.dev> (raw)
In-Reply-To: <CAHj4cs9uQduBHjcsmOGHa8RaNGNMw8k8bBhZdGgdeEKPFeB8qQ@mail.gmail.com>
在 2024/4/8 8:03, Yi Zhang 写道:
> Hi
> I found the below kmemleak issue during blktests nvme/rdma on the
> latest linux-rdma/for-next, please help check it and let me know if
> you need any info/testing for it, thanks.
I have once made blktests nvme/rdma. It seems that this problem does not
exist at that time.
So can we use "git bisec" to find the commit that cause this problem if
this problem can be reproduced?
Just my 2 cent suggestions.
Zhu Yanjun
>
> # dmesg | grep kmemleak
> [ 67.130652] kmemleak: Kernel memory leak detector initialized (mem
> pool available: 36041)
> [ 67.130728] kmemleak: Automatic memory scanning thread started
> [ 1051.771867] kmemleak: 2 new suspected memory leaks (see
> /sys/kernel/debug/kmemleak)
> [ 1832.796189] kmemleak: 8 new suspected memory leaks (see
> /sys/kernel/debug/kmemleak)
> [ 2578.189075] kmemleak: 17 new suspected memory leaks (see
> /sys/kernel/debug/kmemleak)
> [ 3330.710984] kmemleak: 4 new suspected memory leaks (see
> /sys/kernel/debug/kmemleak)
>
> unreferenced object 0xffff88855da53400 (size 192):
> comm "rdma", pid 10630, jiffies 4296575922
> hex dump (first 32 bytes):
> 37 00 00 00 00 00 00 00 c0 ff ff ff 1f 00 00 00 7...............
> 10 34 a5 5d 85 88 ff ff 10 34 a5 5d 85 88 ff ff .4.].....4.]....
> backtrace (crc 47f66721):
> [<ffffffff911251bd>] kmalloc_trace+0x30d/0x3b0
> [<ffffffffc2640ff7>] alloc_gid_entry+0x47/0x380 [ib_core]
> [<ffffffffc2642206>] add_modify_gid+0x166/0x930 [ib_core]
> [<ffffffffc2643468>] ib_cache_update.part.0+0x6d8/0x910 [ib_core]
> [<ffffffffc2644e1a>] ib_cache_setup_one+0x24a/0x350 [ib_core]
> [<ffffffffc263949e>] ib_register_device+0x9e/0x3a0 [ib_core]
> [<ffffffffc2a3d389>] 0xffffffffc2a3d389
> [<ffffffffc2688cd8>] nldev_newlink+0x2b8/0x520 [ib_core]
> [<ffffffffc2645fe3>] rdma_nl_rcv_msg+0x2c3/0x520 [ib_core]
> [<ffffffffc264648c>]
> rdma_nl_rcv_skb.constprop.0.isra.0+0x23c/0x3a0 [ib_core]
> [<ffffffff9270e7b5>] netlink_unicast+0x445/0x710
> [<ffffffff9270f1f1>] netlink_sendmsg+0x761/0xc40
> [<ffffffff9249db29>] __sys_sendto+0x3a9/0x420
> [<ffffffff9249dc8c>] __x64_sys_sendto+0xdc/0x1b0
> [<ffffffff92db0ad3>] do_syscall_64+0x93/0x180
> [<ffffffff92e00126>] entry_SYSCALL_64_after_hwframe+0x71/0x79
>
prev parent reply other threads:[~2024-04-24 15:57 UTC|newest]
Thread overview: 19+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-04-08 6:03 [bug report] kmemleak in rdma_core observed during blktests nvme/rdma use siw Yi Zhang
2024-04-08 6:39 ` Leon Romanovsky
2024-04-08 6:57 ` Leon Romanovsky
2024-04-24 13:28 ` Guoqing Jiang
2024-04-26 5:56 ` Yi Zhang
2024-04-26 8:44 ` Yi Zhang
2024-04-28 2:54 ` Guoqing Jiang
2024-04-28 12:42 ` Yi Zhang
2024-04-29 0:53 ` Guoqing Jiang
2024-04-30 11:51 ` Yi Zhang
2024-05-08 13:08 ` [bug report][bisected] " Yi Zhang
2024-05-08 14:37 ` Zhu Yanjun
2024-05-08 15:31 ` Zhu Yanjun
2024-05-08 15:56 ` Jason Gunthorpe
2024-05-08 16:19 ` Chuck Lever
2024-05-10 1:41 ` Yi Zhang
2024-05-10 11:10 ` Zhu Yanjun
[not found] ` <a6b11edf-99e0-43bc-b49e-e0d6e201266b@linux.dev>
[not found] ` <CAHj4cs9XsHiKeVGNRjTCcg87ghWrDm972VMq+5w=8jvetjFG0w@mail.gmail.com>
2024-05-10 15:52 ` Zhu Yanjun
2024-04-24 15:57 ` Zhu Yanjun [this message]
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=19bf5745-1b3b-4b8a-81c2-20d945943aaf@linux.dev \
--to=yanjun.zhu@linux.dev \
--cc=jgg@nvidia.com \
--cc=leonro@nvidia.com \
--cc=linux-rdma@vger.kernel.org \
--cc=shinichiro.kawasaki@wdc.com \
--cc=yi.zhang@redhat.com \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.