BUG: memory leak unreferenced object 0xffff888127c39040 (size 32): comm "syz-executor.0", pid 6684, jiffies 4294947748 (age 14.000s) 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: [<000000000a353d4e>] erase_aeb+0x25/0x110 drivers/mtd/ubi/wl.c:1700 [<00000000075662d9>] ubi_wl_init+0x191/0x5c0 drivers/mtd/ubi/wl.c:1767 [<000000005b02aa5d>] ubi_attach+0x63b/0x1879 drivers/mtd/ubi/attach.c:1605 [<0000000018f576d2>] ubi_attach_mtd_dev+0x65c/0xd30 drivers/mtd/ubi/build.c:970 [<000000003ed403a9>] ctrl_cdev_ioctl+0x144/0x1b0 drivers/mtd/ubi/cdev.c:1043 [<000000008e798516>] vfs_ioctl fs/ioctl.c:48 [inline] [<000000008e798516>] ksys_ioctl+0xa6/0xd0 fs/ioctl.c:753 [<00000000a0f725eb>] __do_sys_ioctl fs/ioctl.c:762 [inline] [<00000000a0f725eb>] __se_sys_ioctl fs/ioctl.c:760 [inline] [<00000000a0f725eb>] __x64_sys_ioctl+0x1a/0x20 fs/ioctl.c:760 [<00000000f5272cd3>] do_syscall_64+0x4c/0xe0 arch/x86/entry/common.c:359 [<00000000d388b4c5>] entry_SYSCALL_64_after_hwframe+0x44/0xa9