Hi, On Wed, Jun 28, 2023 at 06:57:47PM -0700, Yu Hao wrote: > Hi Weiteng, > > Could you give more info about the bug, e.g., kernel configuration, > qemu arguments. > Base on kernel code, looks that the HCIUARTSETPROTO and HCIUARTGETPROTO blocks in hci_uart_tty_ioctl() should use hci_uart->proto_lock. I have run the C reproducer a couple of days in qemu, but it did not reproduce issue until now. Does anyone know how to reproduce this issue easily? Thanks Joey Lee > > On Wed, Jun 28, 2023 at 8:02 AM joeyli <jlee@xxxxxxxx> wrote: > > > > Hi Yu Hao, > > > > I am looking at your "BUG: general protection fault in hci_uart_tty_ioctl": > > > > https://lore.kernel.org/all/CA+UBctC3p49aTgzbVgkSZ2+TQcqq4fPDO7yZitFT5uBPDeCO2g@xxxxxxxxxxxxxx/ > > > > I am trying the C reproducer in your URL, but it is not success yet: > > https://gist.github.com/ZHYfeng/a3e3ff2bdfea5ed5de5475f0b54d55cb > > > > I am using v6.2 mainline kernel to run the C reproducer. > > > > Could you please provide suggestions for how to reproduce this issue? > > And what is your qemu environment for reproducing issue? > > > > Thanks a lot! > > Joey Lee
