Re: Regression in 4.14.147, 4.19.76, 5.2.18 leading to kernel panic on btrfs root fs mount

From: Sasha Levin
Date: Mon Oct 14 2019 - 00:20:26 EST

On Sun, Oct 13, 2019 at 07:04:12PM +0300, Andrew Macks wrote:
Was not sure the correct way to escalate this quickly enough. I
unfortunately discovered this issue while upgrading a server (remotely) to
4.19.78 (longterm).

*Bug 205181* <> - kernel
panic when accessing btrfs root device with f2fs in kernel

Okay, I've backported 38fb6d0ea3429 ("f2fs: use EINVAL for superblock
with invalid magic") to 4.19 and 4.14. It'll be great if someone could
ack that backport.

Sorry for the breakage.