BUG: memory leak unreferenced object 0xffff88810e1fc800 (size 2048): comm "kworker/0:1", pid 7, jiffies 4294951579 (age 46.280s) hex dump (first 32 bytes): ff ff ff ff 31 00 00 00 00 00 00 00 00 00 00 00 ....1........... 00 00 00 00 00 00 00 00 00 00 00 00 03 00 00 00 ................ backtrace: [<00000000636b97b2>] kmalloc include/linux/slab.h:552 [inline] [<00000000636b97b2>] kzalloc include/linux/slab.h:682 [inline] [<00000000636b97b2>] usb_alloc_dev+0x32/0x450 drivers/usb/core/usb.c:582 [<00000000b7252fc2>] hub_port_connect drivers/usb/core/hub.c:5129 [inline] [<00000000b7252fc2>] hub_port_connect_change drivers/usb/core/hub.c:5363 [inline] [<00000000b7252fc2>] port_event drivers/usb/core/hub.c:5509 [inline] [<00000000b7252fc2>] hub_event+0x118d/0x20d0 drivers/usb/core/hub.c:5591 [<00000000ada186f8>] process_one_work+0x2c9/0x600 kernel/workqueue.c:2275 [<00000000aa7bd3f8>] worker_thread+0x59/0x5d0 kernel/workqueue.c:2421 [<00000000aceb06b7>] kthread+0x178/0x1b0 kernel/kthread.c:292 [<000000005d55005c>] ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:296 BUG: memory leak unreferenced object 0xffff888110717020 (size 32): comm "kworker/0:1", pid 7, jiffies 4294951579 (age 46.280s) hex dump (first 32 bytes): 31 2d 31 00 00 00 00 00 00 00 00 00 00 00 00 00 1-1............. 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ backtrace: [<00000000ded8b727>] kvasprintf+0x6c/0xf0 lib/kasprintf.c:25 [<000000005702dfdc>] kvasprintf_const+0x58/0x110 lib/kasprintf.c:49 [<000000005ddedcfc>] kobject_set_name_vargs+0x3b/0xe0 lib/kobject.c:289 [<00000000aa449e3d>] dev_set_name+0x63/0x90 drivers/base/core.c:2895 [<00000000414364a3>] usb_alloc_dev+0x1ee/0x450 drivers/usb/core/usb.c:650 [<00000000b7252fc2>] hub_port_connect drivers/usb/core/hub.c:5129 [inline] [<00000000b7252fc2>] hub_port_connect_change drivers/usb/core/hub.c:5363 [inline] [<00000000b7252fc2>] port_event drivers/usb/core/hub.c:5509 [inline] [<00000000b7252fc2>] hub_event+0x118d/0x20d0 drivers/usb/core/hub.c:5591 [<00000000ada186f8>] process_one_work+0x2c9/0x600 kernel/workqueue.c:2275 [<00000000aa7bd3f8>] worker_thread+0x59/0x5d0 kernel/workqueue.c:2421 [<00000000aceb06b7>] kthread+0x178/0x1b0 kernel/kthread.c:292 [<000000005d55005c>] ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:296 BUG: memory leak unreferenced object 0xffff88810ee95b00 (size 32): comm "kworker/0:1", pid 7, jiffies 4294951625 (age 45.820s) hex dump (first 32 bytes): 80 ab df 10 81 88 ff ff 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: [<00000000a43333da>] kmalloc include/linux/slab.h:557 [inline] [<00000000a43333da>] kzalloc include/linux/slab.h:682 [inline] [<00000000a43333da>] usb_get_configuration+0xce/0x1dd0 drivers/usb/core/config.c:887 [<00000000fbb344cc>] usb_enumerate_device drivers/usb/core/hub.c:2388 [inline] [<00000000fbb344cc>] usb_new_device+0x1a9/0x2e0 drivers/usb/core/hub.c:2524 [<00000000c50eb9dd>] hub_port_connect drivers/usb/core/hub.c:5223 [inline] [<00000000c50eb9dd>] hub_port_connect_change drivers/usb/core/hub.c:5363 [inline] [<00000000c50eb9dd>] port_event drivers/usb/core/hub.c:5509 [inline] [<00000000c50eb9dd>] hub_event+0x144a/0x20d0 drivers/usb/core/hub.c:5591 [<00000000ada186f8>] process_one_work+0x2c9/0x600 kernel/workqueue.c:2275 [<00000000aa7bd3f8>] worker_thread+0x59/0x5d0 kernel/workqueue.c:2421 [<00000000aceb06b7>] kthread+0x178/0x1b0 kernel/kthread.c:292 [<000000005d55005c>] ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:296 BUG: memory leak unreferenced object 0xffff88810ee95380 (size 32): comm "kworker/0:1", pid 7, jiffies 4294951649 (age 45.580s) hex dump (first 32 bytes): 73 79 7a 00 00 00 00 00 00 00 00 00 00 00 00 00 syz............. 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ backtrace: [<0000000001aa1fc9>] kmalloc include/linux/slab.h:557 [inline] [<0000000001aa1fc9>] usb_cache_string+0x8a/0xf0 drivers/usb/core/message.c:1025 [<00000000de7c4712>] usb_enumerate_device drivers/usb/core/hub.c:2398 [inline] [<00000000de7c4712>] usb_new_device+0x98/0x2e0 drivers/usb/core/hub.c:2524 [<00000000c50eb9dd>] hub_port_connect drivers/usb/core/hub.c:5223 [inline] [<00000000c50eb9dd>] hub_port_connect_change drivers/usb/core/hub.c:5363 [inline] [<00000000c50eb9dd>] port_event drivers/usb/core/hub.c:5509 [inline] [<00000000c50eb9dd>] hub_event+0x144a/0x20d0 drivers/usb/core/hub.c:5591 [<00000000ada186f8>] process_one_work+0x2c9/0x600 kernel/workqueue.c:2275 [<00000000aa7bd3f8>] worker_thread+0x59/0x5d0 kernel/workqueue.c:2421 [<00000000aceb06b7>] kthread+0x178/0x1b0 kernel/kthread.c:292 [<000000005d55005c>] ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:296 BUG: memory leak unreferenced object 0xffff88810ee95c20 (size 32): comm "kworker/0:1", pid 7, jiffies 4294951653 (age 45.540s) hex dump (first 32 bytes): 73 79 7a 00 00 00 00 00 00 00 00 00 00 00 00 00 syz............. 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ backtrace: [<0000000001aa1fc9>] kmalloc include/linux/slab.h:557 [inline] [<0000000001aa1fc9>] usb_cache_string+0x8a/0xf0 drivers/usb/core/message.c:1025 [<00000000f4a5ec04>] usb_enumerate_device drivers/usb/core/hub.c:2399 [inline] [<00000000f4a5ec04>] usb_new_device+0xae/0x2e0 drivers/usb/core/hub.c:2524 [<00000000c50eb9dd>] hub_port_connect drivers/usb/core/hub.c:5223 [inline] [<00000000c50eb9dd>] hub_port_connect_change drivers/usb/core/hub.c:5363 [inline] [<00000000c50eb9dd>] port_event drivers/usb/core/hub.c:5509 [inline] [<00000000c50eb9dd>] hub_event+0x144a/0x20d0 drivers/usb/core/hub.c:5591 [<00000000ada186f8>] process_one_work+0x2c9/0x600 kernel/workqueue.c:2275 [<00000000aa7bd3f8>] worker_thread+0x59/0x5d0 kernel/workqueue.c:2421 [<00000000aceb06b7>] kthread+0x178/0x1b0 kernel/kthread.c:292 [<000000005d55005c>] ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:296 BUG: memory leak unreferenced object 0xffff88810ee95800 (size 32): comm "kworker/0:1", pid 7, jiffies 4294951657 (age 45.500s) hex dump (first 32 bytes): 73 79 7a 00 00 00 00 00 00 00 00 00 00 00 00 00 syz............. 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ backtrace: [<0000000001aa1fc9>] kmalloc include/linux/slab.h:557 [inline] [<0000000001aa1fc9>] usb_cache_string+0x8a/0xf0 drivers/usb/core/message.c:1025 [<000000000e24ba3d>] usb_enumerate_device drivers/usb/core/hub.c:2401 [inline] [<000000000e24ba3d>] usb_new_device+0xc4/0x2e0 drivers/usb/core/hub.c:2524 [<00000000c50eb9dd>] hub_port_connect drivers/usb/core/hub.c:5223 [inline] [<00000000c50eb9dd>] hub_port_connect_change drivers/usb/core/hub.c:5363 [inline] [<00000000c50eb9dd>] port_event drivers/usb/core/hub.c:5509 [inline] [<00000000c50eb9dd>] hub_event+0x144a/0x20d0 drivers/usb/core/hub.c:5591 [<00000000ada186f8>] process_one_work+0x2c9/0x600 kernel/workqueue.c:2275 [<00000000aa7bd3f8>] worker_thread+0x59/0x5d0 kernel/workqueue.c:2421 [<00000000aceb06b7>] kthread+0x178/0x1b0 kernel/kthread.c:292 [<000000005d55005c>] ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:296