usb 4-1: RX USB error -71. usb 4-1: RX USB error -2. usb 4-1: error -1 when submitting rx urb ================================================================== BUG: KASAN: use-after-free in ar5523_cmd_tx_cb+0x220/0x240 drivers/net/wireless/ath/ar5523/ar5523.c:228 Read of size 8 at addr ffff88811a08b450 by task kworker/1:3/1140 CPU: 1 PID: 1140 Comm: kworker/1:3 Not tainted 6.0.0-rc4-syzkaller-00050-ga956f91247da #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/26/2022 Workqueue: events pwq_unbound_release_workfn Call Trace: __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0xcd/0x134 lib/dump_stack.c:106 print_address_description mm/kasan/report.c:317 [inline] print_report.cold+0x2ba/0x719 mm/kasan/report.c:433 kasan_report+0xb1/0x1e0 mm/kasan/report.c:495 ar5523_cmd_tx_cb+0x220/0x240 drivers/net/wireless/ath/ar5523/ar5523.c:228 __usb_hcd_giveback_urb+0x2b0/0x5c0 drivers/usb/core/hcd.c:1671 usb_hcd_giveback_urb+0x380/0x430 drivers/usb/core/hcd.c:1754 dummy_timer+0x11ff/0x32c0 drivers/usb/gadget/udc/dummy_hcd.c:1988 call_timer_fn+0x1a0/0x6b0 kernel/time/timer.c:1474 expire_timers kernel/time/timer.c:1519 [inline] __run_timers.part.0+0x674/0xa80 kernel/time/timer.c:1790 __run_timers kernel/time/timer.c:1768 [inline] run_timer_softirq+0xb3/0x1d0 kernel/time/timer.c:1803 __do_softirq+0x1c0/0x9a9 kernel/softirq.c:571 invoke_softirq kernel/softirq.c:445 [inline] __irq_exit_rcu+0x113/0x170 kernel/softirq.c:650 irq_exit_rcu+0x5/0x20 kernel/softirq.c:662 sysvec_apic_timer_interrupt+0x8e/0xc0 arch/x86/kernel/apic/apic.c:1106 asm_sysvec_apic_timer_interrupt+0x16/0x20 arch/x86/include/asm/idtentry.h:649 RIP: 0010:lockdep_unregister_key+0x279/0x460 kernel/locking/lockdep.c:6359 Code: e8 ec ea ff ff 4c 89 e7 e8 14 ca ff ff e8 bf ca ff ff 9c 58 f6 c4 02 0f 85 43 01 00 00 41 f7 c6 00 02 00 00 0f 85 ec 00 00 00 b2 59 08 00 48 b8 00 00 00 00 00 fc ff df 49 c7 44 05 00 00 00 RSP: 0018:ffffc90002dffc38 EFLAGS: 00000206 RAX: 0000000000000046 RBX: ffff88811ac4c128 RCX: 0000000000000001 RDX: dffffc0000000000 RSI: 0000000000000000 RDI: 0000000000000000 RBP: ffff88811ac4c128 R08: ffffffff87a9eac0 R09: ffffffff8b9ca2fb R10: fffffbfff173945f R11: 0000000000052040 R12: ffffffff8b067678 R13: 1ffff920005bff88 R14: 0000000000000246 R15: ffffffff8b1f9458 wq_unregister_lockdep kernel/workqueue.c:3499 [inline] pwq_unbound_release_workfn+0x254/0x340 kernel/workqueue.c:3737 process_one_work+0x991/0x1610 kernel/workqueue.c:2289 worker_thread+0x665/0x1080 kernel/workqueue.c:2436 kthread+0x2ea/0x3a0 kernel/kthread.c:376 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:306 The buggy address belongs to the physical page: page:ffffea00046822c0 refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x11a08b flags: 0x200000000000000(node=0|zone=2) raw: 0200000000000000 0000000000000000 dead000000000122 0000000000000000 raw: 0000000000000000 0000000000000000 00000000ffffffff 0000000000000000 page dumped because: kasan: bad access detected page_owner tracks the page as freed page last allocated via order 2, migratetype Unmovable, gfp_mask 0x140dc0(GFP_USER|__GFP_COMP|__GFP_ZERO), pid 4065, tgid 4065 (kworker/1:4), ts 1092812860042, free_ts 1094879187240 prep_new_page mm/page_alloc.c:2532 [inline] get_page_from_freelist+0x11cc/0x2a20 mm/page_alloc.c:4283 __alloc_pages+0x1c7/0x510 mm/page_alloc.c:5515 alloc_pages+0x1a6/0x270 mm/mempolicy.c:2270 kmalloc_order+0x34/0xf0 mm/slab_common.c:930 kmalloc_order_trace+0x13/0x120 mm/slab_common.c:946 kmalloc include/linux/slab.h:605 [inline] kzalloc include/linux/slab.h:733 [inline] wiphy_new_nm+0x6fc/0x2090 net/wireless/core.c:440 ieee80211_alloc_hw_nm+0x44b/0x2450 net/mac80211/main.c:668 ieee80211_alloc_hw include/net/mac80211.h:4511 [inline] ar5523_probe+0x11a/0x1d10 drivers/net/wireless/ath/ar5523/ar5523.c:1595 usb_probe_interface+0x30b/0x7f0 drivers/usb/core/driver.c:396 call_driver_probe drivers/base/dd.c:560 [inline] really_probe+0x249/0xb90 drivers/base/dd.c:639 __driver_probe_device+0x1df/0x4d0 drivers/base/dd.c:778 driver_probe_device+0x4c/0x1a0 drivers/base/dd.c:808 __device_attach_driver+0x1d0/0x2e0 drivers/base/dd.c:936 bus_for_each_drv+0x15f/0x1e0 drivers/base/bus.c:427 __device_attach+0x1e4/0x530 drivers/base/dd.c:1008 bus_probe_device+0x1e4/0x290 drivers/base/bus.c:487 page last free stack trace: reset_page_owner include/linux/page_owner.h:24 [inline] free_pages_prepare mm/page_alloc.c:1449 [inline] free_pcp_prepare+0x5d2/0xb80 mm/page_alloc.c:1499 free_unref_page_prepare mm/page_alloc.c:3380 [inline] free_unref_page+0x19/0x420 mm/page_alloc.c:3476 device_release+0x9f/0x240 drivers/base/core.c:2330 kobject_cleanup lib/kobject.c:673 [inline] kobject_release lib/kobject.c:704 [inline] kref_put include/linux/kref.h:65 [inline] kobject_put+0x1be/0x4c0 lib/kobject.c:721 put_device+0x1b/0x30 drivers/base/core.c:3624 ar5523_probe+0xe38/0x1d10 drivers/net/wireless/ath/ar5523/ar5523.c:1719 usb_probe_interface+0x30b/0x7f0 drivers/usb/core/driver.c:396 call_driver_probe drivers/base/dd.c:560 [inline] really_probe+0x249/0xb90 drivers/base/dd.c:639 __driver_probe_device+0x1df/0x4d0 drivers/base/dd.c:778 driver_probe_device+0x4c/0x1a0 drivers/base/dd.c:808 __device_attach_driver+0x1d0/0x2e0 drivers/base/dd.c:936 bus_for_each_drv+0x15f/0x1e0 drivers/base/bus.c:427 __device_attach+0x1e4/0x530 drivers/base/dd.c:1008 bus_probe_device+0x1e4/0x290 drivers/base/bus.c:487 device_add+0xbd5/0x1e90 drivers/base/core.c:3517 usb_set_configuration+0x1019/0x1900 drivers/usb/core/message.c:2170 Memory state around the buggy address: ffff88811a08b300: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ffff88811a08b380: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff >ffff88811a08b400: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ^ ffff88811a08b480: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ffff88811a08b500: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ================================================================== ---------------- Code disassembly (best guess): 0: e8 ec ea ff ff callq 0xffffeaf1 5: 4c 89 e7 mov %r12,%rdi 8: e8 14 ca ff ff callq 0xffffca21 d: e8 bf ca ff ff callq 0xffffcad1 12: 9c pushfq 13: 58 pop %rax 14: f6 c4 02 test $0x2,%ah 17: 0f 85 43 01 00 00 jne 0x160 1d: 41 f7 c6 00 02 00 00 test $0x200,%r14d 24: 0f 85 ec 00 00 00 jne 0x116 * 2a: e8 b2 59 08 00 callq 0x859e1 <-- trapping instruction 2f: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax 36: fc ff df 39: 49 rex.WB 3a: c7 .byte 0xc7 3b: 44 rex.R 3c: 05 .byte 0x5 3d: 00 00 add %al,(%rax)