Re: [PATCH 4.9.y] netfilter: nat: Revert "netfilter: nat: convert nat bysrc hash to rhashtable"

[Florian Westphal <fw@strlen.de>]

Sebastian Gottschall <s.gottschall@dd-wrt.com> wrote:


> this should belong to you. with the revert the kernel crashes for me
> 
> [ￜￜ 24.838120] Unable to handle kernel NULL pointer dereference at virtual
> address 00000055
> [ￜￜ 24.846193] pgd = c0004000
> [ￜￜ 24.848893] [00000055] *pgd=00000000
> [ￜￜ 24.852472] Internal error: Oops - BUG: 817 [#1] PREEMPT SMP ARM
> [ￜￜ 24.858463] Modules linked in: xhci_plat_hcd xhci_pci xhci_hcd ohci_hcd
> ehci_pci ehci_platform ehci_hcd usbcore usb_common nls_base qca_ssdk
> gpio_pca953x mii_gpio wil6210 ath10k_pci ath10k_core ath9k ath9k_common
> ath9k_hw ath mac80211 cfg80211 compat
> [ￜￜ 24.880852] CPU: 2 PID: 0 Comm: swapper/2 Not tainted 4.9.62-rc1 #90
> [ￜￜ 24.887189] Hardware name: AnnapurnaLabs Alpine (Device Tree)
> [ￜￜ 24.892921] task: ef029ac0 task.stack: ef05a000
> [ￜￜ 24.897444] PC is at nf_nat_cleanup_conntrack+0x4c/0x74
> [ￜￜ 24.902657] LR is at nf_nat_cleanup_conntrack+0x38/0x74
> [ￜￜ 24.907869] pc : [<c04858c8>]ￜￜￜ lr : [<c04858b4>]ￜￜￜ psr: 60000153
> [ￜￜ 24.907869] sp : ef05bb58ￜ ip : ef05bb58ￜ fp : ef05bb6c
> [ￜￜ 24.919317] r10: ed230cc0ￜ r9 : ed230c00ￜ r8 : edf45800
> [ￜￜ 24.924529] r7 : ebcd2f00ￜ r6 : ec33739eￜ r5 : c0892294ￜ r4 : ebcd2f00
> [ￜￜ 24.931040] r3 : 00000000ￜ r2 : 00000055ￜ r1 : 00000000ￜ r0 : c0892718
> [ￜￜ 24.937551] Flags: nZCvￜ IRQs onￜ FIQs offￜ Mode SVC_32ￜ ISA ARMￜ Segment
> user
> [ￜￜ 24.944755] Control: 10c5387dￜ Table: 2bd1006aￜ DAC: 00000055
> [ￜￜ 24.950486] Process swapper/2 (pid: 0, stack limit = 0xef05a210)
> [ￜￜ 24.956477] Stack: (0xef05bb58 to 0xef05c000)
 
Guillaume, can you check what I missed?
IIRC you said you had a revert for your 4.9 tree, correct?