usb 3-1: Direct firmware load for rtlwifi/rtl8192cufw_TMSC.bin failed with error -2 usb 3-1: Direct firmware load for rtlwifi/rtl8192cufw.bin failed with error -2 ================================================================== BUG: KASAN: use-after-free in rtl_fw_do_work+0x407/0x430 drivers/net/wireless/realtek/rtlwifi/core.c:87 Read of size 8 at addr ffff88814314ff58 by task kworker/1:0/17 CPU: 1 PID: 17 Comm: kworker/1:0 Not tainted 5.10.0-rc7-syzkaller #0 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+0x107/0x163 lib/dump_stack.c:118 print_address_description.constprop.0.cold+0xae/0x4c8 mm/kasan/report.c:385 __kasan_report mm/kasan/report.c:545 [inline] kasan_report.cold+0x1f/0x37 mm/kasan/report.c:562 rtl_fw_do_work+0x407/0x430 drivers/net/wireless/realtek/rtlwifi/core.c:87 request_firmware_work_func+0x12c/0x230 drivers/base/firmware_loader/main.c:1079 process_one_work+0x933/0x1520 kernel/workqueue.c:2272 worker_thread+0x64c/0x1120 kernel/workqueue.c:2418 kthread+0x38c/0x460 kernel/kthread.c:292 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:296 The buggy address belongs to the page: page:000000006ae12740 refcount:0 mapcount:0 mapping:0000000000000000 index:0x1 pfn:0x14314f flags: 0x200000000000000() raw: 0200000000000000 0000000000000000 dead000000000122 0000000000000000 raw: 0000000000000001 0000000000000000 00000000ffffffff 0000000000000000 page dumped because: kasan: bad access detected Memory state around the buggy address: ffff88814314fe00: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ffff88814314fe80: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff >ffff88814314ff00: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ^ ffff88814314ff80: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ffff888143150000: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ==================================================================