BUG: memory leak unreferenced object 0xffff888127f372c0 (size 32): comm "syz-executor.0", pid 6931, jiffies 4294945277 (age 14.410s) 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 01 00 00 00 02 00 00 00 ................ backtrace: [<0000000049aad7d8>] erase_aeb+0x25/0x110 drivers/mtd/ubi/wl.c:1690 [<000000004a6c95d3>] ubi_wl_init+0x193/0x5c0 drivers/mtd/ubi/wl.c:1757 [<00000000a1d58128>] ubi_attach+0x611/0x18ba drivers/mtd/ubi/attach.c:1605 [<00000000eb6b9da4>] ubi_attach_mtd_dev+0x665/0xcc0 drivers/mtd/ubi/build.c:967 [<000000000a8ebd80>] ctrl_cdev_ioctl+0x144/0x1b0 drivers/mtd/ubi/cdev.c:1043 [<000000007ada47ea>] vfs_ioctl fs/ioctl.c:47 [inline] [<000000007ada47ea>] ksys_ioctl+0xa6/0xd0 fs/ioctl.c:771 [<00000000bd687125>] __do_sys_ioctl fs/ioctl.c:780 [inline] [<00000000bd687125>] __se_sys_ioctl fs/ioctl.c:778 [inline] [<00000000bd687125>] __x64_sys_ioctl+0x1a/0x20 fs/ioctl.c:778 [<000000006f0eae66>] do_syscall_64+0x6e/0x220 arch/x86/entry/common.c:295 [<00000000eaee3164>] entry_SYSCALL_64_after_hwframe+0x44/0xa9