* kmemleak report in tcp_metrics_init()->genl_register_family()
@ 2020-03-04 17:53 John Garry
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From: John Garry @ 2020-03-04 17:53 UTC (permalink / raw)
To: edumazet, David S . Miller, kuznet, yoshfuji, kuba; +Cc: netdev
Hi guys,
On 5.6-rc4, I get this report of a memory leak after booting:
root@(none)$ more /sys/kernel/debug/kmemleak
unreferenced object 0xffff2027d1838300 (size 128):
comm "swapper/0", pid 1, jiffies 4294894708 (age 155.112s)
hex dump (first 32 bytes):
80 82 83 d1 27 20 ff ff 00 00 00 00 00 00 00 00 ....' ..........
00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................
backtrace:
[<(____ptrval____)>] __kmalloc+0x1c8/0x2d0
[<(____ptrval____)>] genl_register_family+0x300/0x6a8
[<(____ptrval____)>] tcp_metrics_init+0x30/0x48
[<(____ptrval____)>] tcp_init+0x270/0x29c
[<(____ptrval____)>] inet_init+0x178/0x264
[<(____ptrval____)>] do_one_initcall+0x5c/0x1b0
[<(____ptrval____)>] kernel_init_freeable+0x1f8/0x260
[<(____ptrval____)>] kernel_init+0x10/0x108
[<(____ptrval____)>] ret_from_fork+0x10/0x18
.config is here https://pastebin.com/RbvNz825, dmesg
https://pastebin.com/ABW4S1Qw
Cheers,
John
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