BUG: memory leak unreferenced object 0xffff88811f8f6b40 (size 32): comm "syz-executor.0", pid 6848, jiffies 4294990510 (age 13.950s) hex dump (first 32 bytes): 71 00 10 08 00 00 00 00 b1 b2 93 1f 81 88 ff ff q............... 00 00 00 00 00 00 00 00 01 00 00 00 02 00 00 00 ................ backtrace: [<000000009baabe0c>] erase_aeb+0x25/0x110 drivers/mtd/ubi/wl.c:1690 [<000000003d7d39fa>] ubi_wl_init+0x193/0x5c0 drivers/mtd/ubi/wl.c:1757 [<00000000313645e6>] ubi_attach+0x611/0x18ba drivers/mtd/ubi/attach.c:1605 [<00000000eb2f05ee>] ubi_attach_mtd_dev+0x584/0xca0 drivers/mtd/ubi/build.c:967 [<000000005741f673>] ctrl_cdev_ioctl+0x144/0x1b0 drivers/mtd/ubi/cdev.c:1043 [<00000000e764eef0>] vfs_ioctl fs/ioctl.c:47 [inline] [<00000000e764eef0>] ksys_ioctl+0xa6/0xd0 fs/ioctl.c:763 [<0000000018dd8189>] __do_sys_ioctl fs/ioctl.c:772 [inline] [<0000000018dd8189>] __se_sys_ioctl fs/ioctl.c:770 [inline] [<0000000018dd8189>] __x64_sys_ioctl+0x1a/0x20 fs/ioctl.c:770 [<00000000bd81cafb>] do_syscall_64+0x6e/0x220 arch/x86/entry/common.c:295 [<00000000e9eee6b4>] entry_SYSCALL_64_after_hwframe+0x44/0xa9