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* [bug report] kmemleak in rdma_core observed during blktests nvme/rdma use siw
@ 2024-04-08  6:03 Yi Zhang
  2024-04-08  6:39 ` Leon Romanovsky
                   ` (2 more replies)
  0 siblings, 3 replies; 19+ messages in thread
From: Yi Zhang @ 2024-04-08  6:03 UTC (permalink / raw)
  To: RDMA mailing list; +Cc: Shinichiro Kawasaki, Jason Gunthorpe, leonro

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.

# 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

-- 
Best Regards,
  Yi Zhang


^ permalink raw reply	[flat|nested] 19+ messages in thread

end of thread, other threads:[~2024-05-10 15:53 UTC | newest]

Thread overview: 19+ messages (download: mbox.gz follow: Atom feed
-- links below jump to the message on this page --
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 ` [bug report] " Zhu Yanjun

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