On 22/04/2022 09:56, Wen Gu wrote: > This patch set includes two fixes for smc fallback: > > Patch 1/2 introduces some simple helpers to wrap the replacement > and restore of clcsock's callback functions. Make sure that only > the original callbacks will be saved and not overwritten. > > Patch 2/2 fixes a syzbot reporting slab-out-of-bound issue where > smc_fback_error_report() accesses the already freed smc sock (see > https://lore.kernel.org/r/00000000000013ca8105d7ae3ada@xxxxxxxxxx/). > The patch fixes it by resetting sk_user_data and restoring clcsock > callback functions timely in fallback situation. Thank you for the analysis and the fix! For the series: Acked-by: Karsten Graul <kgraul@xxxxxxxxxxxxx>