Hi, Linus, On Thu, 2025-12-04 at 09:35 -0800, Linus Torvalds wrote: > On Tue, 2 Dec 2025 at 23:23, Dave Airlie <[email protected]> wrote: > > > > This is the main drm pull request for 6.19. > > I have pulled this and pushed out the result. It "works" for me on my > Xe setup, but I do get a new refcount warning, which looks like > something might be seriously wrong. > > (Side note: I'm also running with > > > https://lore.kernel.org/all/[email protected]/ > > fixed up for the merge and applied to make my dual 6k monitor setup > happy). > > I get this: > > refcount_t: underflow; use-after-free. > WARNING: lib/refcount.c:28 at 0x0, CPU#43: gst-plugin-scan/2770 > Modules linked in: rfcomm sunrpc nf_conntrack_netbios_ns ... > CPU: 43 UID: 60578 PID: 2770 Comm: gst-plugin-scan Not tainted > 6.18.0-06709-gab59a11f1240 #25 PREEMPTLAZY > Hardware name: Gigabyte Technology Co., Ltd. TRX40 AORUS > MASTER/TRX40 AORUS MASTER, BIOS F7 09/07/2022 > RIP: 0010:refcount_warn_saturate+0x42/0x70 > ... > Call Trace: > xe_exec_queue_destroy+0x1be/0x1d0 [xe] > xe_vm_close_and_put+0x3b8/0x770 [xe] > xe_vm_destroy_ioctl+0x107/0x180 [xe] > drm_ioctl_kernel+0xa3/0xd0 [drm] > drm_ioctl+0x30f/0x470 [drm] > xe_drm_ioctl+0x48/0x70 [xe] > __se_sys_ioctl+0x6d/0xb0 > do_syscall_64+0x6a/0x260 > entry_SYSCALL_64_after_hwframe+0x4b/0x53 > > which hopefully gives somebody an idea.
Looks like a backmerge gone wrong and duplicating a put. We'll pick that up and try to provide a fix ASAP. Thanks, Thomas > > Added Xe people involved with recent commits to the participants. > > Anybody? > > Linus
