================================================================== BUG: KASAN: use-after-free in ath9k_hif_usb_rx_stream drivers/net/wireless/ath/ath9k/hif_usb.c:580 [inline] BUG: KASAN: use-after-free in ath9k_hif_usb_rx_cb+0xad3/0xf90 drivers/net/wireless/ath/ath9k/hif_usb.c:666 Read of size 4 at addr ffff8881c76440dc by task kworker/1:3/167 CPU: 1 PID: 167 Comm: kworker/1:3 Not tainted 5.7.0-rc5-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+0xef/0x16e lib/dump_stack.c:118 print_address_description.constprop.0.cold+0xd3/0x314 mm/kasan/report.c:382 __kasan_report.cold+0x37/0x92 mm/kasan/report.c:511 kasan_report+0x33/0x50 mm/kasan/common.c:625 ath9k_hif_usb_rx_stream drivers/net/wireless/ath/ath9k/hif_usb.c:580 [inline] ath9k_hif_usb_rx_cb+0xad3/0xf90 drivers/net/wireless/ath/ath9k/hif_usb.c:666 __usb_hcd_giveback_urb+0x1f2/0x470 drivers/usb/core/hcd.c:1648 usb_hcd_giveback_urb+0x368/0x420 drivers/usb/core/hcd.c:1713 dummy_timer+0x125e/0x32b4 drivers/usb/gadget/udc/dummy_hcd.c:1966 call_timer_fn+0x1ac/0x700 kernel/time/timer.c:1405 expire_timers kernel/time/timer.c:1450 [inline] __run_timers kernel/time/timer.c:1774 [inline] __run_timers kernel/time/timer.c:1741 [inline] run_timer_softirq+0x5f9/0x1500 kernel/time/timer.c:1787 __do_softirq+0x21e/0x9aa kernel/softirq.c:292 invoke_softirq kernel/softirq.c:373 [inline] irq_exit+0x178/0x1a0 kernel/softirq.c:413 exiting_irq arch/x86/include/asm/apic.h:546 [inline] smp_apic_timer_interrupt+0x141/0x540 arch/x86/kernel/apic/apic.c:1140 apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:829 RIP: 0010:arch_local_irq_restore arch/x86/include/asm/irqflags.h:85 [inline] RIP: 0010:console_unlock+0xa6b/0xca0 kernel/printk/printk.c:2506 Code: 00 89 ee 48 c7 c7 20 d2 14 87 e8 50 cf 03 00 65 ff 0d f1 30 d8 7e e9 b5 f9 ff ff e8 4f 5f 16 00 e8 2a bb 1b 00 ff 74 24 30 9d 17 fe ff ff e8 3b 5f 16 00 48 8d 7d 08 48 89 f8 48 c1 e8 03 42 RSP: 0018:ffff8881cdbdfa30 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 RAX: 0000000000000007 RBX: 0000000000000200 RCX: 1ffffffff126c9bd RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff8881cdb3b9fc RBP: 0000000000000000 R08: 0000000000000001 R09: fffffbfff126c8bd R10: ffffffff893645e7 R11: fffffbfff126c8bc R12: ffffffff82aba0b0 R13: ffffffff874ee290 R14: 0000000000000042 R15: dffffc0000000000 vprintk_emit+0x16d/0x3e0 kernel/printk/printk.c:2021 vprintk_func+0x75/0x113 kernel/printk/printk_safe.c:385 printk+0xba/0xed kernel/printk/printk.c:2081 ath9k_htc_hw_init.cold+0x17/0x2a drivers/net/wireless/ath/ath9k/htc_hst.c:502 ath9k_hif_usb_firmware_cb+0x274/0x510 drivers/net/wireless/ath/ath9k/hif_usb.c:1187 request_firmware_work_func+0x126/0x242 drivers/base/firmware_loader/main.c:1005 process_one_work+0x965/0x1630 kernel/workqueue.c:2268 worker_thread+0x96/0xe20 kernel/workqueue.c:2414 kthread+0x326/0x430 kernel/kthread.c:268 ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:351 general protection fault, probably for non-canonical address 0xdead000000000400: 0000 [#1] SMP KASAN CPU: 1 PID: 167 Comm: kworker/1:3 Not tainted 5.7.0-rc5-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Workqueue: events request_firmware_work_func RIP: 0010:nearest_obj include/linux/slub_def.h:176 [inline] RIP: 0010:print_address_description.constprop.0.cold+0x124/0x314 mm/kasan/report.c:387 Code: 00 f6 c4 02 0f 84 0f ff ff ff 48 89 e9 48 2b 0d 1c 00 85 05 4c 89 e0 4c 8b 6d 18 48 c1 f9 06 48 c1 e1 0c 48 03 0d 16 00 85 05 <41> 8b 7d 18 48 29 c8 48 99 48 f7 ff 4c 89 e0 48 29 d0 48 89 c2 0f RSP: 0018:ffff8881db309858 EFLAGS: 00010086 RAX: ffff8881c76440dc RBX: 0000000000000004 RCX: ffff8881c7644000 RDX: 0000000000000000 RSI: ffffffff812a31fd RDI: ffffed103b6612fd RBP: ffffea00071d9100 R08: 0000000000000000 R09: ffffed103b6643c9 R10: ffff8881db321e43 R11: ffffed103b6643c8 R12: ffff8881c76440dc R13: dead000000000400 R14: ffff8881c79ab800 R15: ffff8881c96bd000 FS: 0000000000000000(0000) GS:ffff8881db300000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f4d803e1020 CR3: 00000001c69ab000 CR4: 00000000001406e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: __kasan_report.cold+0x37/0x92 mm/kasan/report.c:511 kasan_report+0x33/0x50 mm/kasan/common.c:625 ath9k_hif_usb_rx_stream drivers/net/wireless/ath/ath9k/hif_usb.c:580 [inline] ath9k_hif_usb_rx_cb+0xad3/0xf90 drivers/net/wireless/ath/ath9k/hif_usb.c:666 __usb_hcd_giveback_urb+0x1f2/0x470 drivers/usb/core/hcd.c:1648 usb_hcd_giveback_urb+0x368/0x420 drivers/usb/core/hcd.c:1713 dummy_timer+0x125e/0x32b4 drivers/usb/gadget/udc/dummy_hcd.c:1966 call_timer_fn+0x1ac/0x700 kernel/time/timer.c:1405 expire_timers kernel/time/timer.c:1450 [inline] __run_timers kernel/time/timer.c:1774 [inline] __run_timers kernel/time/timer.c:1741 [inline] run_timer_softirq+0x5f9/0x1500 kernel/time/timer.c:1787 __do_softirq+0x21e/0x9aa kernel/softirq.c:292 invoke_softirq kernel/softirq.c:373 [inline] irq_exit+0x178/0x1a0 kernel/softirq.c:413 exiting_irq arch/x86/include/asm/apic.h:546 [inline] smp_apic_timer_interrupt+0x141/0x540 arch/x86/kernel/apic/apic.c:1140 apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:829 RIP: 0010:arch_local_irq_restore arch/x86/include/asm/irqflags.h:85 [inline] RIP: 0010:console_unlock+0xa6b/0xca0 kernel/printk/printk.c:2506 Code: 00 89 ee 48 c7 c7 20 d2 14 87 e8 50 cf 03 00 65 ff 0d f1 30 d8 7e e9 b5 f9 ff ff e8 4f 5f 16 00 e8 2a bb 1b 00 ff 74 24 30 9d 17 fe ff ff e8 3b 5f 16 00 48 8d 7d 08 48 89 f8 48 c1 e8 03 42 RSP: 0018:ffff8881cdbdfa30 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 RAX: 0000000000000007 RBX: 0000000000000200 RCX: 1ffffffff126c9bd RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff8881cdb3b9fc RBP: 0000000000000000 R08: 0000000000000001 R09: fffffbfff126c8bd R10: ffffffff893645e7 R11: fffffbfff126c8bc R12: ffffffff82aba0b0 R13: ffffffff874ee290 R14: 0000000000000042 R15: dffffc0000000000 vprintk_emit+0x16d/0x3e0 kernel/printk/printk.c:2021 vprintk_func+0x75/0x113 kernel/printk/printk_safe.c:385 printk+0xba/0xed kernel/printk/printk.c:2081 ath9k_htc_hw_init.cold+0x17/0x2a drivers/net/wireless/ath/ath9k/htc_hst.c:502 ath9k_hif_usb_firmware_cb+0x274/0x510 drivers/net/wireless/ath/ath9k/hif_usb.c:1187 request_firmware_work_func+0x126/0x242 drivers/base/firmware_loader/main.c:1005 process_one_work+0x965/0x1630 kernel/workqueue.c:2268 worker_thread+0x96/0xe20 kernel/workqueue.c:2414 kthread+0x326/0x430 kernel/kthread.c:268 ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:351 Modules linked in: ---[ end trace d7b0f12c2e41c773 ]--- RIP: 0010:nearest_obj include/linux/slub_def.h:176 [inline] RIP: 0010:print_address_description.constprop.0.cold+0x124/0x314 mm/kasan/report.c:387 Code: 00 f6 c4 02 0f 84 0f ff ff ff 48 89 e9 48 2b 0d 1c 00 85 05 4c 89 e0 4c 8b 6d 18 48 c1 f9 06 48 c1 e1 0c 48 03 0d 16 00 85 05 <41> 8b 7d 18 48 29 c8 48 99 48 f7 ff 4c 89 e0 48 29 d0 48 89 c2 0f RSP: 0018:ffff8881db309858 EFLAGS: 00010086 RAX: ffff8881c76440dc RBX: 0000000000000004 RCX: ffff8881c7644000 RDX: 0000000000000000 RSI: ffffffff812a31fd RDI: ffffed103b6612fd RBP: ffffea00071d9100 R08: 0000000000000000 R09: ffffed103b6643c9 R10: ffff8881db321e43 R11: ffffed103b6643c8 R12: ffff8881c76440dc R13: dead000000000400 R14: ffff8881c79ab800 R15: ffff8881c96bd000 FS: 0000000000000000(0000) GS:ffff8881db300000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f4d803e1020 CR3: 00000001c69ab000 CR4: 00000000001406e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400