On 11/19, Tejun Heo wrote: > > On Thu, Nov 16, 2023 at 05:25:05PM -0800, syzbot wrote: > > syzbot has bisected this issue to: > > > > commit 2d25a889601d2fbc87ec79b30ea315820f874b78 > > Author: Peter Zijlstra <peterz@xxxxxxxxxxxxx> > > Date: Sun Sep 17 11:24:21 2023 +0000 > > > > ptrace: Convert ptrace_attach() to use lock guards > > Looks like the tasklist_lock conversion in ptrace_attach() forgot _irq. > Peter, Oleg? Yes, please see Re: [syzbot] [kernel?] inconsistent lock state in ptrace_attach https://lore.kernel.org/all/20231117094531.GN8262@xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx/ Oleg.
