usb 4-1: Loading firmware file isl3887usb usb 4-1: Direct firmware load for isl3887usb failed with error -2 usb 4-1: Firmware not found. ================================================================== BUG: KASAN: slab-out-of-bounds in p54u_load_firmware_cb.cold+0x97/0x13d /drivers/net/wireless/intersil/p54/p54usb.c:933 Read of size 8 at addr ffff8881c80a3568 by task kworker/0:6/2847 CPU: 0 PID: 2847 Comm: kworker/0:6 Not tainted 5.2.0-rc6+ #15 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Workqueue: events request_firmware_work_func 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.cold+0x1a/0x32 /mm/kasan/report.c:317 kasan_report+0xe/0x20 /mm/kasan/common.c:614 p54u_load_firmware_cb.cold+0x97/0x13d /drivers/net/wireless/intersil/p54/p54usb.c:933 request_firmware_work_func+0x126/0x242 /drivers/base/firmware_loader/main.c:785 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 0: (stack is not available) Freed by task 0: (stack is not available) The buggy address belongs to the object at ffff8881c80a3480 which belongs to the cache files_cache of size 832 The buggy address is located 232 bytes inside of 832-byte region [ffff8881c80a3480, ffff8881c80a37c0) The buggy address belongs to the page: page:ffffea0007202800 refcount:1 mapcount:0 mapping:ffff8881dac81e00 index:0x0 compound_mapcount: 0 flags: 0x200000000010200(slab|head) raw: 0200000000010200 dead000000000100 dead000000000200 ffff8881dac81e00 raw: 0000000000000000 0000000080110011 00000001ffffffff 0000000000000000 page dumped because: kasan: bad access detected Memory state around the buggy address: ffff8881c80a3400: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc ffff8881c80a3480: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc >ffff8881c80a3500: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc ^ ffff8881c80a3580: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc ffff8881c80a3600: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc ==================================================================