On Mon, Apr 26, 2021 at 09:32:44AM +0200, Greg Kroah-Hartman wrote: > On Sun, Apr 25, 2021 at 11:35:09PM +0200, Leonardo Antoniazzi wrote: > > Hello, > > removing my usb-modem (option icon 226) i get this oops (i attached the dmesg output): > > > > BUG: kernel NULL pointer dereference, address: 0000000000000068 > > > > reverting this patch fix the problem on detaching the modem: > > > > https://marc.info/?l=linux-usb&m=161781851805582&w=2 > > > > I'm not a developer, i hope the attached dmesg.txt will suffice > > Ick, that's not good. > > Anirudh, can you please look into this as it's caused by 8a12f8836145 > ("net: hso: fix null-ptr-deref during tty device unregistration") which > is merged into 5.12. I found the bug. Patch coming. Johan
