rsi_91x: rsi_probe: Failed to init usb interface ================================================================== BUG: KASAN: double-free or invalid-free in rsi_91x_deinit+0x270/0x2f0 drivers/net/wireless/rsi/rsi_91x_main.c:407 CPU: 1 PID: 2867 Comm: kworker/1:5 Not tainted 5.2.0-rc6+ #15 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Workqueue: usb_hub_wq hub_event Call Trace: __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0xca/0x13e lib/dump_stack.c:113 print_address_description+0x67/0x231 mm/kasan/report.c:188 kasan_report_invalid_free+0x61/0xa0 mm/kasan/report.c:279 __kasan_slab_free+0x162/0x180 mm/kasan/common.c:430 slab_free_hook mm/slub.c:1421 [inline] slab_free_freelist_hook mm/slub.c:1448 [inline] slab_free mm/slub.c:2994 [inline] kfree+0xd7/0x280 mm/slub.c:3949 rsi_91x_deinit+0x270/0x2f0 drivers/net/wireless/rsi/rsi_91x_main.c:407 rsi_probe+0xcec/0x15a0 drivers/net/wireless/rsi/rsi_91x_usb.c:834 usb_probe_interface+0x305/0x7a0 drivers/usb/core/driver.c:361 really_probe+0x281/0x660 drivers/base/dd.c:509 driver_probe_device+0x104/0x210 drivers/base/dd.c:670 __device_attach_driver+0x1c2/0x220 drivers/base/dd.c:777 bus_for_each_drv+0x15c/0x1e0 drivers/base/bus.c:454 __device_attach+0x217/0x360 drivers/base/dd.c:843 bus_probe_device+0x1e4/0x290 drivers/base/bus.c:514 device_add+0xae6/0x16f0 drivers/base/core.c:2111 usb_set_configuration+0xdf6/0x1670 drivers/usb/core/message.c:2023 generic_probe+0x9d/0xd5 drivers/usb/core/generic.c:210 usb_probe_device+0x99/0x100 drivers/usb/core/driver.c:266 really_probe+0x281/0x660 drivers/base/dd.c:509 driver_probe_device+0x104/0x210 drivers/base/dd.c:670 __device_attach_driver+0x1c2/0x220 drivers/base/dd.c:777 bus_for_each_drv+0x15c/0x1e0 drivers/base/bus.c:454 __device_attach+0x217/0x360 drivers/base/dd.c:843 bus_probe_device+0x1e4/0x290 drivers/base/bus.c:514 device_add+0xae6/0x16f0 drivers/base/core.c:2111 usb_new_device.cold+0x6a4/0xe61 drivers/usb/core/hub.c:2536 hub_port_connect drivers/usb/core/hub.c:5098 [inline] hub_port_connect_change drivers/usb/core/hub.c:5213 [inline] port_event drivers/usb/core/hub.c:5359 [inline] hub_event+0x1abd/0x3550 drivers/usb/core/hub.c:5441 process_one_work+0x905/0x1570 kernel/workqueue.c:2269 worker_thread+0x96/0xe20 kernel/workqueue.c:2415 kthread+0x30b/0x410 kernel/kthread.c:255 ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:352 Allocated by task 2867: save_stack+0x1b/0x80 mm/kasan/common.c:71 set_track mm/kasan/common.c:79 [inline] __kasan_kmalloc mm/kasan/common.c:489 [inline] __kasan_kmalloc.constprop.0+0xbf/0xd0 mm/kasan/common.c:462 kmalloc include/linux/slab.h:547 [inline] kzalloc include/linux/slab.h:742 [inline] rsi_init_usb_interface drivers/net/wireless/rsi/rsi_91x_usb.c:599 [inline] rsi_probe+0x11a/0x15a0 drivers/net/wireless/rsi/rsi_91x_usb.c:780 usb_probe_interface+0x305/0x7a0 drivers/usb/core/driver.c:361 really_probe+0x281/0x660 drivers/base/dd.c:509 driver_probe_device+0x104/0x210 drivers/base/dd.c:670 __device_attach_driver+0x1c2/0x220 drivers/base/dd.c:777 bus_for_each_drv+0x15c/0x1e0 drivers/base/bus.c:454 __device_attach+0x217/0x360 drivers/base/dd.c:843 bus_probe_device+0x1e4/0x290 drivers/base/bus.c:514 device_add+0xae6/0x16f0 drivers/base/core.c:2111 usb_set_configuration+0xdf6/0x1670 drivers/usb/core/message.c:2023 generic_probe+0x9d/0xd5 drivers/usb/core/generic.c:210 usb_probe_device+0x99/0x100 drivers/usb/core/driver.c:266 really_probe+0x281/0x660 drivers/base/dd.c:509 driver_probe_device+0x104/0x210 drivers/base/dd.c:670 __device_attach_driver+0x1c2/0x220 drivers/base/dd.c:777 bus_for_each_drv+0x15c/0x1e0 drivers/base/bus.c:454 __device_attach+0x217/0x360 drivers/base/dd.c:843 bus_probe_device+0x1e4/0x290 drivers/base/bus.c:514 device_add+0xae6/0x16f0 drivers/base/core.c:2111 usb_new_device.cold+0x6a4/0xe61 drivers/usb/core/hub.c:2536 hub_port_connect drivers/usb/core/hub.c:5098 [inline] hub_port_connect_change drivers/usb/core/hub.c:5213 [inline] port_event drivers/usb/core/hub.c:5359 [inline] hub_event+0x1abd/0x3550 drivers/usb/core/hub.c:5441 process_one_work+0x905/0x1570 kernel/workqueue.c:2269 worker_thread+0x96/0xe20 kernel/workqueue.c:2415 kthread+0x30b/0x410 kernel/kthread.c:255 ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:352 Freed by task 2867: save_stack+0x1b/0x80 mm/kasan/common.c:71 set_track mm/kasan/common.c:79 [inline] __kasan_slab_free+0x130/0x180 mm/kasan/common.c:451 slab_free_hook mm/slub.c:1421 [inline] slab_free_freelist_hook mm/slub.c:1448 [inline] slab_free mm/slub.c:2994 [inline] kfree+0xd7/0x280 mm/slub.c:3949 rsi_init_usb_interface drivers/net/wireless/rsi/rsi_91x_usb.c:648 [inline] rsi_probe+0xdfd/0x15a0 drivers/net/wireless/rsi/rsi_91x_usb.c:780 usb_probe_interface+0x305/0x7a0 drivers/usb/core/driver.c:361 really_probe+0x281/0x660 drivers/base/dd.c:509 driver_probe_device+0x104/0x210 drivers/base/dd.c:670 __device_attach_driver+0x1c2/0x220 drivers/base/dd.c:777 bus_for_each_drv+0x15c/0x1e0 drivers/base/bus.c:454 __device_attach+0x217/0x360 drivers/base/dd.c:843 bus_probe_device+0x1e4/0x290 drivers/base/bus.c:514 device_add+0xae6/0x16f0 drivers/base/core.c:2111 usb_set_configuration+0xdf6/0x1670 drivers/usb/core/message.c:2023 generic_probe+0x9d/0xd5 drivers/usb/core/generic.c:210 usb_probe_device+0x99/0x100 drivers/usb/core/driver.c:266 really_probe+0x281/0x660 drivers/base/dd.c:509 driver_probe_device+0x104/0x210 drivers/base/dd.c:670 __device_attach_driver+0x1c2/0x220 drivers/base/dd.c:777 bus_for_each_drv+0x15c/0x1e0 drivers/base/bus.c:454 __device_attach+0x217/0x360 drivers/base/dd.c:843 bus_probe_device+0x1e4/0x290 drivers/base/bus.c:514 device_add+0xae6/0x16f0 drivers/base/core.c:2111 usb_new_device.cold+0x6a4/0xe61 drivers/usb/core/hub.c:2536 hub_port_connect drivers/usb/core/hub.c:5098 [inline] hub_port_connect_change drivers/usb/core/hub.c:5213 [inline] port_event drivers/usb/core/hub.c:5359 [inline] hub_event+0x1abd/0x3550 drivers/usb/core/hub.c:5441 process_one_work+0x905/0x1570 kernel/workqueue.c:2269 worker_thread+0x96/0xe20 kernel/workqueue.c:2415 kthread+0x30b/0x410 kernel/kthread.c:255 ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:352 The buggy address belongs to the object at ffff8881c9c82c80 which belongs to the cache kmalloc-512 of size 512 The buggy address is located 0 bytes inside of 512-byte region [ffff8881c9c82c80, ffff8881c9c82e80) The buggy address belongs to the page: page:ffffea0007272080 refcount:1 mapcount:0 mapping:ffff8881dac02c00 index:0x0 compound_mapcount: 0 flags: 0x200000000010200(slab|head) raw: 0200000000010200 ffffea000742f980 0000000a0000000a ffff8881dac02c00 raw: 0000000000000000 00000000000c000c 00000001ffffffff 0000000000000000 page dumped because: kasan: bad access detected Memory state around the buggy address: ffff8881c9c82b80: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb ffff8881c9c82c00: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc >ffff8881c9c82c80: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb ^ ffff8881c9c82d00: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb ffff8881c9c82d80: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb ==================================================================