On Tue, 3 Nov 2020 09:36:55 -0800 Jakub Kicinski wrote: > On Tue, 3 Nov 2020 19:30:07 +0200 Vladimir Oltean wrote: > > On Tue, Nov 03, 2020 at 05:18:25PM +0000, Claudiu Manoil wrote: > > > It's either the dev_kfree_skb_any from the dma mapping error path or the > > > one > > > from skb_cow_head()'s error path. A confirmation would help indeed. > > > > It says "consume", not "kfree", which in my mind would make it point > > towards the only caller of consume_skb from the gianfar driver, i.e. the > > dev_consume_skb_any that you just added. > > #define dev_kfree_skb(a) consume_skb(a) > > IIRC we did this because too many drivers used dev_kfree_skb > incorrectly and made the dropwatch output very noisy.
FWIW ./scripts/decode_stacktrace.sh should point you right to the lines of code if the build has enough debug info.