general protection fault, probably for non-canonical address 0xdffffc00000001f3: 0000 [#1] PREEMPT SMP KASAN KASAN: null-ptr-deref in range [0x0000000000000f98-0x0000000000000f9f] CPU: 0 PID: 0 Comm: swapper/0 Not tainted 5.13.0-rc3-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:ath9k_hif_usb_rx_stream drivers/net/wireless/ath/ath9k/hif_usb.c:636 [inline] RIP: 0010:ath9k_hif_usb_rx_cb+0x801/0x10b0 drivers/net/wireless/ath/ath9k/hif_usb.c:680 Code: 8b 6c 24 78 74 08 48 89 df e8 1b 06 6b fc 48 8b 1b b8 98 0f 00 00 48 01 c3 48 89 d8 48 c1 e8 03 49 bf 00 00 00 00 00 fc ff df <42> 0f b6 04 38 84 c0 0f 85 d9 01 00 00 ff 03 48 8b 44 24 20 4c 8b RSP: 0018:ffffc90000007680 EFLAGS: 00010006 RAX: 00000000000001f3 RBX: 0000000000000f98 RCX: dffffc0000000000 RDX: 0000000080000101 RSI: 0000000000000004 RDI: ffff8880186ff5c0 RBP: ffffc90000007840 R08: dffffc0000000000 R09: ffffed1003afca9d R10: ffffed1003afca9d R11: 0000000000000000 R12: dffffc0000000000 R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000 FS: 0000000000000000(0000) GS:ffff8880b9a00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f73d5ede740 CR3: 000000001a165000 CR4: 00000000001506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: __usb_hcd_giveback_urb+0x375/0x520 drivers/usb/core/hcd.c:1656 dummy_timer+0x808/0x3100 drivers/usb/gadget/udc/dummy_hcd.c:1978 call_timer_fn+0xf6/0x210 kernel/time/timer.c:1431 expire_timers kernel/time/timer.c:1476 [inline] __run_timers+0x6ff/0x910 kernel/time/timer.c:1745 run_timer_softirq+0x63/0xf0 kernel/time/timer.c:1758 __do_softirq+0x372/0x7a6 kernel/softirq.c:559 invoke_softirq kernel/softirq.c:433 [inline] __irq_exit_rcu+0x245/0x280 kernel/softirq.c:637 irq_exit_rcu+0x5/0x20 kernel/softirq.c:649 sysvec_apic_timer_interrupt+0x91/0xb0 arch/x86/kernel/apic/apic.c:1100 asm_sysvec_apic_timer_interrupt+0x12/0x20 arch/x86/include/asm/idtentry.h:647 RIP: 0010:native_save_fl arch/x86/include/asm/irqflags.h:29 [inline] RIP: 0010:arch_local_save_flags arch/x86/include/asm/irqflags.h:70 [inline] RIP: 0010:arch_irqs_disabled arch/x86/include/asm/irqflags.h:132 [inline] RIP: 0010:acpi_safe_halt drivers/acpi/processor_idle.c:109 [inline] RIP: 0010:acpi_idle_do_entry drivers/acpi/processor_idle.c:513 [inline] RIP: 0010:acpi_idle_enter+0x430/0x780 drivers/acpi/processor_idle.c:648 Code: e3 08 44 8b 7c 24 04 0f 85 0d 01 00 00 48 8d 5c 24 40 e8 03 de 34 fd e9 0c 00 00 00 e8 59 88 2e fd 0f 00 2d 82 12 4f 06 fb f4 <9c> 8f 44 24 40 48 89 d8 48 c1 e8 03 42 80 3c 20 00 74 08 48 89 df RSP: 0018:ffffffff8cc07ba0 EFLAGS: 00000286 RAX: 326377f8e5e00000 RBX: ffffffff8cc07be0 RCX: ffffffff90e85703 RDX: dffffc0000000000 RSI: 0000000000000001 RDI: 0000000000000000 RBP: ffffffff8cc07c50 R08: ffffffff818560c0 R09: fffffbfff19976a9 R10: fffffbfff19976a9 R11: 0000000000000000 R12: dffffc0000000000 R13: ffff8880165ae864 R14: ffff8880165ae800 R15: 0000000000000001 cpuidle_enter_state+0x509/0xe60 drivers/cpuidle/cpuidle.c:237 cpuidle_enter+0x59/0x90 drivers/cpuidle/cpuidle.c:351 call_cpuidle kernel/sched/idle.c:158 [inline] cpuidle_idle_call kernel/sched/idle.c:239 [inline] do_idle+0x3c8/0x620 kernel/sched/idle.c:306 cpu_startup_entry+0x15/0x20 kernel/sched/idle.c:403 start_kernel+0x49e/0x544 init/main.c:1087 secondary_startup_64_no_verify+0xb0/0xbb Modules linked in: ---[ end trace 79d39cc3a8752ccd ]--- RIP: 0010:ath9k_hif_usb_rx_stream drivers/net/wireless/ath/ath9k/hif_usb.c:636 [inline] RIP: 0010:ath9k_hif_usb_rx_cb+0x801/0x10b0 drivers/net/wireless/ath/ath9k/hif_usb.c:680 Code: 8b 6c 24 78 74 08 48 89 df e8 1b 06 6b fc 48 8b 1b b8 98 0f 00 00 48 01 c3 48 89 d8 48 c1 e8 03 49 bf 00 00 00 00 00 fc ff df <42> 0f b6 04 38 84 c0 0f 85 d9 01 00 00 ff 03 48 8b 44 24 20 4c 8b RSP: 0018:ffffc90000007680 EFLAGS: 00010006 RAX: 00000000000001f3 RBX: 0000000000000f98 RCX: dffffc0000000000 RDX: 0000000080000101 RSI: 0000000000000004 RDI: ffff8880186ff5c0 RBP: ffffc90000007840 R08: dffffc0000000000 R09: ffffed1003afca9d R10: ffffed1003afca9d R11: 0000000000000000 R12: dffffc0000000000 R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000 FS: 0000000000000000(0000) GS:ffff8880b9a00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f73d5ede740 CR3: 000000001a165000 CR4: 00000000001506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400