On Tue, Oct 08, 2019 at 07:18:44PM +0200, gregkh@xxxxxxxxxxxxxxxxxxx wrote:
The patch below does not apply to the 4.19-stable tree. If someone wants it applied there, or to any other stable or longterm tree, then please email the backport, including the original git commit id to <stable@xxxxxxxxxxxxxxx>. thanks, greg k-h ------------------ original commit in Linus's tree ------------------ From 533ca1feed98b0bf024779a14760694c7cb4d431 Mon Sep 17 00:00:00 2001 From: Dexuan Cui <decui@xxxxxxxxxxxxx> Date: Fri, 2 Aug 2019 22:50:20 +0000 Subject: [PATCH] PCI: hv: Avoid use of hv_pci_dev->pci_slot after freeing it The slot must be removed before the pci_dev is removed, otherwise a panic can happen due to use-after-free. Fixes: 15becc2b56c6 ("PCI: hv: Add hv_pci_remove_slots() when we unload the driver") Signed-off-by: Dexuan Cui <decui@xxxxxxxxxxxxx> Signed-off-by: Lorenzo Pieralisi <lorenzo.pieralisi@xxxxxxx> Cc: stable@xxxxxxxxxxxxxxx
Doesn't look like it's relevant for <=4.19 . -- Thanks, Sasha