CVE-2022-50283: In the Linux kernel, the following vulnerability has been resolved:  mtd: core: add missing of_node_get() in dynamic partitions code  This fixes unbalanced of_node_put(): [    1.078910] 6 cmdlinepart partitions found on MTD device gpmi-nand [    1.085116] Creating 6 MTD partitions on "gpmi-nand": [    1.090181] 0x000000000000-0x000008000000 : "nandboot" [    1.096952] 0x000008000000-0x000009000000 : "nandfit" [    1.103547] 0x000009000000-0x00000b000000 : "nandkernel" [    1.110317] 0x00000b000000-0x00000c000000 : "nanddtb" [    1.115525] ------------[ cut here ]------------ [    1.120141] refcount_t: addition on 0; use-after-free. [    1.125328] WARNING: CPU: 0 PID: 1 at lib/refcount.c:25 refcount_warn_saturate+0xdc/0x148 [    1.133528] Modules linked in: [    1.136589] CPU: 0 PID: 1 Comm: swapper/0 Not tainted 6.0.0-rc7-next-20220930-04543-g8cf3f7 [    1.146342] Hardware name: Freescale i.MX8DXL DDR3L EVK (DT) [    1.151999] pstate: 600000c5 (nZCv daIF -PAN -UAO -TCO -DIT -SSBS BTYPE=--) [    1.158965] pc : refcount_warn_saturate+0xdc/0x148 [    1.163760] lr : refcount_warn_saturate+0xdc/0x148 [    1.168556] sp : ffff800009ddb080 [    1.171866] x29: ffff800009ddb080 x28: ffff800009ddb35a x27: 0000000000000002 [    1.179015] x26: ffff8000098b06ad x25: ffffffffffffffff x24: ffff0a00ffffff05 [    1.186165] x23: ffff00001fdf6470 x22: ffff800009ddb367 x21: 0000000000000000 [    1.193314] x20: ffff00001fdfebe8 x19: ffff00001fdfec50 x18: ffffffffffffffff [    1.200464] x17: 0000000000000000 x16: 0000000000000118 x15: 0000000000000004 [    1.207614] x14: 0000000000000fff x13: ffff800009bca248 x12: 0000000000000003 [    1.214764] x11: 00000000ffffefff x10: c0000000ffffefff x9 : 4762cb2ccb52de00 [    1.221914] x8 : 4762cb2ccb52de00 x7 : 205d313431303231 x6 : 312e31202020205b [    1.229063] x5 : ffff800009d55c1f x4 : 0000000000000001 x3 : 0000000000000000 [    1.236213] x2 : 0000000000000000 x1 : ffff800009954be6 x0 : 000000000000002a [    1.243365] Call trace: [    1.245806]  refcount_warn_saturate+0xdc/0x148 [    1.250253]  kobject_get+0x98/0x9c [    1.253658]  of_node_get+0x20/0x34 [    1.257072]  of_fwnode_get+0x3c/0x54 [    1.260652]  fwnode_get_nth_parent+0xd8/0xf4 [    1.264926]  fwnode_full_name_string+0x3c/0xb4 [    1.269373]  device_node_string+0x498/0x5b4 [    1.273561]  pointer+0x41c/0x5d0 [    1.276793]  vsnprintf+0x4d8/0x694 [    1.280198]  vprintk_store+0x164/0x528 [    1.283951]  vprintk_emit+0x98/0x164 [    1.287530]  vprintk_default+0x44/0x6c [    1.291284]  vprintk+0xf0/0x134 [    1.294428]  _printk+0x54/0x7c [    1.297486]  of_node_release+0xe8/0x128 [    1.301326]  kobject_put+0x98/0xfc [    1.304732]  of_node_put+0x1c/0x28 [    1.308137]  add_mtd_device+0x484/0x6d4 [    1.311977]  add_mtd_partitions+0xf0/0x1d0 [    1.316078]  parse_mtd_partitions+0x45c/0x518 [    1.320439]  mtd_device_parse_register+0xb0/0x274 [    1.325147]  gpmi_nand_probe+0x51c/0x650 [    1.329074]  platform_probe+0xa8/0xd0 [    1.332740]  really_probe+0x130/0x334 [    1.336406]  __driver_probe_device+0xb4/0xe0 [    1.340681]  driver_probe_device+0x3c/0x1f8 [    1.344869]  __driver_attach+0xdc/0x1a4 [    1.348708]  bus_for_each_dev+0x80/0xcc [    1.352548]  driver_attach+0x24/0x30 [    1.356127]  bus_add_driver+0x108/0x1f4 [    1.359967]  driver_register+0x78/0x114 [    1.363807]  __platform_driver_register+0x24/0x30 [    1.368515]  gpmi_nand_driver_init+0x1c/0x28 [    1.372798]  do_one_initcall+0xbc/0x238 [    1.376638]  do_initcall_level+0x94/0xb4 [    1.380565]  do_initcalls+0x54/0x94 [    1.384058]  do_basic_setup+0x1c/0x28 [    1.387724]  kernel_init_freeable+0x110/0x188 [    1.392084]  kernel_init+0x20/0x1a0 [    1.395578]  ret_from_fork+0x10/0x20 [    1.399157] ---[ end trace 0000000000000000 ]--- [    1.403782] ------------[ cut here ]------------