Just got this splat running generic/347 with XFS on top. ------------[ cut here ]------------ WARNING: CPU: 0 PID: 1188676 at drivers/md/dm-bio-prison-v1.c:128 dm_cell_key_has_valid_range+0x3e/0x50 Modules linked in: crct10dif_generic crct10dif_common [last unloaded: crc_t10dif] CPU: 0 PID: 1188676 Comm: kworker/u64:3 Not tainted 6.9.0-rc3-next-20240412-ktest-00036-g89ba24a9aade-dirty #13 Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 Workqueue: dm-thin do_worker RIP: 0010:dm_cell_key_has_valid_range+0x3e/0x50 Code: e5 48 89 c1 48 29 d1 48 81 f9 00 04 00 00 77 1a 48 83 e8 01 48 c1 ea 0a b9 01 00 00 00 48 c1 e8 0a 48 39 c2 75 0c 89 c8 5d c3 <0f> 0b 31 c9 5d 89 c8 c3 0f 0b 31 c9 eb ee 0f 1f 40 00 f3 0f 1e fa RSP: 0018:ffff888102453d28 EFLAGS: 00010206 RAX: 0000000000000fff RBX: 0000000000000000 RCX: 0000000000000fff RDX: 0000000000000000 RSI: 0000000000000fff RDI: ffff888102453d40 RBP: ffff888102453d28 R08: ffff88810f897d00 R09: ff6d6867732c6c63 R10: 0000000000000018 R11: fefefefefefefeff R12: ffff88810f897c80 R13: ffff88813e0280b8 R14: 0000000000000fff R15: ffff88813e0280b8 FS: 0000000000000000(0000) GS:ffff888179600000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f9e1e6f27d0 CR3: 000000000202a000 CR4: 0000000000750eb0 PKRU: 55555554 Call Trace: <TASK> ? show_regs+0x64/0x70 ? __warn+0x88/0x120 ? dm_cell_key_has_valid_range+0x3e/0x50 ? report_bug+0x15d/0x180 ? handle_bug+0x3e/0x70 ? exc_invalid_op+0x1c/0x70 ? asm_exc_invalid_op+0x1f/0x30 ? dm_cell_key_has_valid_range+0x3e/0x50 process_discard_bio+0xa7/0x180 do_worker+0x81d/0xb90 process_one_work+0x135/0x2e0 worker_thread+0x2e8/0x420 ? flush_delayed_work+0x50/0x50 kthread+0xd5/0x100 ? kthread_park+0xa0/0xa0 ret_from_fork+0x3a/0x60 ? kthread_park+0xa0/0xa0 ret_from_fork_asm+0x11/0x20 </TASK> ---[ end trace 0000000000000000 ]--- Hope that's useful.