On Wed, 09 Aug 2023 17:29:13 +0200, Remi Pommarel wrote:
> When batadv_v_ogm_aggr_send is called for an inactive interface, the skb
> is silently dropped by batadv_v_ogm_send_to_if() but never freed causing
> the following memory leak:
>
> unreferenced object 0xffff00000c164800 (size 512):
> comm "kworker/u8:1", pid 2648, jiffies 4295122303 (age 97.656s)
> hex dump (first 32 bytes):
> 00 80 af 09 00 00 ff ff e1 09 00 00 75 01 60 83 ............u.`.
> 1f 00 00 00 b8 00 00 00 15 00 05 00 da e3 d3 64 ...............d
> backtrace:
> [<0000000007ad20f6>] __kmalloc_track_caller+0x1a8/0x310
> [<00000000d1029e55>] kmalloc_reserve.constprop.0+0x70/0x13c
> [<000000008b9d4183>] __alloc_skb+0xec/0x1fc
> [<00000000c7af5051>] __netdev_alloc_skb+0x48/0x23c
> [<00000000642ee5f5>] batadv_v_ogm_aggr_send+0x50/0x36c
> [<0000000088660bd7>] batadv_v_ogm_aggr_work+0x24/0x40
> [<0000000042fc2606>] process_one_work+0x3b0/0x610
> [<000000002f2a0b1c>] worker_thread+0xa0/0x690
> [<0000000059fae5d4>] kthread+0x1fc/0x210
> [<000000000c587d3a>] ret_from_fork+0x10/0x20
>
> [...]
Applied, thanks!
[1/1] batman-adv: Fix batadv_v_ogm_aggr_send memory leak
commit: 421d467dc2d483175bad4fb76a31b9e5a3d744cf
Best regards,
--
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