BUG: Bad rss-counter state mm:000000009138fafe type:MM_FILEPAGES val:-4 Comm:systemd-udevd Pid:3963 /P ٜ•€ŠÖN…: Can't lookup blockdev /P ٜ•€ŠÖN…: Can't lookup blockdev kmemleak: Found object by alias at 0x607f1a63e324 CPU: 0 UID: 0 PID: 3989 Comm: syz-executor.4 Tainted: G W 6.17.0-rc4-next-20250901 #1 PREEMPT(voluntary) Tainted: [W]=WARN Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 Call Trace: dump_stack_lvl+0xca/0x120 __lookup_object+0x94/0xb0 delete_object_full+0x27/0x70 free_percpu+0x30/0x1160 futex_hash_free+0x38/0xc0 mmput+0x2d3/0x390 do_exit+0x79d/0x2970 do_group_exit+0xd3/0x2a0 __x64_sys_exit_group+0x3e/0x50 x64_sys_call+0x18c5/0x18d0 do_syscall_64+0xbf/0x360 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7ff43017db19 Code: Unable to access opcode bytes at 0x7ff43017daef. RSP: 002b:00007ffe4015d208 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 RAX: ffffffffffffffda RBX: 000000000000001e RCX: 00007ff43017db19 RDX: 00007ff43013072b RSI: ffffffffffffffbc RDI: 0000000000000000 RBP: 0000000000000000 R08: 0000001b2d320548 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 R13: 0000000000000000 R14: 0000000000000001 R15: 00007ffe4015d2f0 kmemleak: Object (percpu) 0x607f1a63e320 (size 8): kmemleak: comm "syz-executor.5", pid 3976, jiffies 4294821213 kmemleak: min_count = 1 kmemleak: count = 0 kmemleak: flags = 0x21 kmemleak: checksum = 0 kmemleak: backtrace: pcpu_alloc_noprof+0x87a/0x1170 alloc_vfsmnt+0x135/0x6e0 clone_mnt+0x6c/0xb70 copy_tree+0x34b/0xaf0 copy_mnt_ns+0x1ab/0xab0 create_new_namespaces+0xd6/0xab0 copy_namespaces+0x45c/0x580 copy_process+0x2649/0x73c0 kernel_clone+0xea/0x7f0 __do_sys_clone3+0x1f5/0x280 do_syscall_64+0xbf/0x360 entry_SYSCALL_64_after_hwframe+0x77/0x7f BUG: Bad rss-counter state mm:0000000036dbffe0 type:MM_FILEPAGES val:-8 Comm:syz-executor.2 Pid:3977 BUG: Bad rss-counter state mm:0000000036dbffe0 type:MM_ANONPAGES val:14 Comm:syz-executor.2 Pid:3977