Hi I found the following kmemleak issue on the latest linux-block/for-next, please help check it and let me know if you need any info/testing for it, thanks. commit: linux-block/for-next: 8192f418ee2f (HEAD -> for-next, origin/for-next) Merge branch 'for-6.17/io_uring' into for-next # dmesg | grep kmemleak [31404.993877] kmemleak: 608 new suspected memory leaks (see /sys/kernel/debug/kmemleak) unreferenced object 0xffff8882e7fb9000 (size 2048): comm "check", pid 10460, jiffies 4324980514 hex dump (first 32 bytes): 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ backtrace (crc c47e6a37): __kvmalloc_node_noprof+0x55d/0x7a0 sbitmap_init_node+0x15a/0x6a0 kyber_init_hctx+0x316/0xb90 blk_mq_init_sched+0x416/0x580 elevator_switch+0x18b/0x630 elv_update_nr_hw_queues+0x219/0x2c0 __blk_mq_update_nr_hw_queues+0x36a/0x6f0 blk_mq_update_nr_hw_queues+0x3a/0x60 find_fallback+0x510/0x540 [nbd] nbd_send_cmd+0x24b/0x1480 [nbd] configfs_write_iter+0x2ae/0x470 vfs_write+0x524/0xe70 ksys_write+0xff/0x200 do_syscall_64+0x98/0x3c0 entry_SYSCALL_64_after_hwframe+0x76/0x7e unreferenced object 0xffff8882e7fbb000 (size 2048): comm "check", pid 10460, jiffies 4324980514 hex dump (first 32 bytes): 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ backtrace (crc c47e6a37): __kvmalloc_node_noprof+0x55d/0x7a0 sbitmap_init_node+0x15a/0x6a0 kyber_init_hctx+0x316/0xb90 blk_mq_init_sched+0x416/0x580 elevator_switch+0x18b/0x630 elv_update_nr_hw_queues+0x219/0x2c0 __blk_mq_update_nr_hw_queues+0x36a/0x6f0 blk_mq_update_nr_hw_queues+0x3a/0x60 find_fallback+0x510/0x540 [nbd] nbd_send_cmd+0x24b/0x1480 [nbd] configfs_write_iter+0x2ae/0x470 vfs_write+0x524/0xe70 ksys_write+0xff/0x200 do_syscall_64+0x98/0x3c0 entry_SYSCALL_64_after_hwframe+0x76/0x7e unreferenced object 0xffff88819e855000 (size 2048): comm "check", pid 10460, jiffies 4324980514 hex dump (first 32 bytes): 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ backtrace (crc c47e6a37): __kvmalloc_node_noprof+0x55d/0x7a0 sbitmap_init_node+0x15a/0x6a0 kyber_init_hctx+0x316/0xb90 blk_mq_init_sched+0x416/0x580 elevator_switch+0x18b/0x630 elv_update_nr_hw_queues+0x219/0x2c0 __blk_mq_update_nr_hw_queues+0x36a/0x6f0 blk_mq_update_nr_hw_queues+0x3a/0x60 find_fallback+0x510/0x540 [nbd] nbd_send_cmd+0x24b/0x1480 [nbd] configfs_write_iter+0x2ae/0x470 vfs_write+0x524/0xe70 ksys_write+0xff/0x200 do_syscall_64+0x98/0x3c0 entry_SYSCALL_64_after_hwframe+0x76/0x7e -- Best Regards, Yi Zhang