general protection fault, probably for non-canonical address 0xdffffc00000001f3: 0000 [#1] SMP KASAN KASAN: null-ptr-deref in range [0x0000000000000f98-0x0000000000000f9f] CPU: 0 PID: 0 Comm: swapper/0 Not tainted 5.10.0-rc7-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+0x86c/0x1020 drivers/net/wireless/ath/ath9k/hif_usb.c:680 Code: 00 00 49 8d 7f 08 48 89 f8 48 c1 e8 03 42 80 3c 28 00 0f 85 56 05 00 00 4d 8b 7f 08 49 8d bf 98 0f 00 00 48 89 f8 48 c1 e8 03 <42> 0f b6 04 28 84 c0 74 08 3c 03 0f 8e 29 05 00 00 48 8b 44 24 30 RSP: 0018:ffffc90000007928 EFLAGS: 00010006 RAX: 00000000000001f3 RBX: 0000000000000000 RCX: ffffffff84a4bb29 RDX: ffffffff87031000 RSI: ffffffff82f4b081 RDI: 0000000000000f98 RBP: ffff888102f12000 R08: 0000000000000001 R09: ffff888101087ee3 R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 R13: dffffc0000000000 R14: 0000000000000004 R15: 0000000000000000 FS: 0000000000000000(0000) GS:ffff8881f6a00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000055646a5c0160 CR3: 0000000101369000 CR4: 00000000001506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: __usb_hcd_giveback_urb+0x2b0/0x5c0 drivers/usb/core/hcd.c:1657 usb_hcd_giveback_urb+0x367/0x410 drivers/usb/core/hcd.c:1728 dummy_timer+0x11f4/0x3280 drivers/usb/gadget/udc/dummy_hcd.c:1971 call_timer_fn+0x1a5/0x630 kernel/time/timer.c:1410 expire_timers kernel/time/timer.c:1455 [inline] __run_timers.part.0+0x67c/0xa10 kernel/time/timer.c:1747 __run_timers kernel/time/timer.c:1728 [inline] run_timer_softirq+0x80/0x120 kernel/time/timer.c:1760 __do_softirq+0x1b2/0x945 kernel/softirq.c:298 asm_call_irq_on_stack+0xf/0x20 __run_on_irqstack arch/x86/include/asm/irq_stack.h:26 [inline] run_on_irqstack_cond arch/x86/include/asm/irq_stack.h:77 [inline] do_softirq_own_stack+0x80/0xa0 arch/x86/kernel/irq_64.c:77 invoke_softirq kernel/softirq.c:393 [inline] __irq_exit_rcu kernel/softirq.c:423 [inline] irq_exit_rcu+0x110/0x1a0 kernel/softirq.c:435 sysvec_apic_timer_interrupt+0x43/0xa0 arch/x86/kernel/apic/apic.c:1091 asm_sysvec_apic_timer_interrupt+0x12/0x20 arch/x86/include/asm/idtentry.h:631 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:79 [inline] RIP: 0010:arch_irqs_disabled arch/x86/include/asm/irqflags.h:169 [inline] RIP: 0010:acpi_safe_halt drivers/acpi/processor_idle.c:112 [inline] RIP: 0010:acpi_idle_do_entry+0x1c9/0x250 drivers/acpi/processor_idle.c:517 Code: cd 60 a1 fb 84 db 75 ac e8 74 68 a1 fb e8 cf 0e a7 fb e9 0c 00 00 00 e8 65 68 a1 fb 0f 00 2d 5e 27 6a 00 e8 59 68 a1 fb fb f4 <9c> 5b 81 e3 00 02 00 00 fa 31 ff 48 89 de e8 f4 60 a1 fb 48 85 db RSP: 0018:ffffffff87007d60 EFLAGS: 00000293 RAX: 0000000000000000 RBX: 0000000000000000 RCX: 1ffffffff10798e1 RDX: ffffffff87031000 RSI: ffffffff859d5d07 RDI: ffffffff859d5cf1 RBP: ffff8881032af064 R08: 0000000000000001 R09: 0000000000000001 R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000001 R13: ffff8881032af000 R14: ffff8881032af064 R15: ffff888106430804 acpi_idle_enter+0x355/0x4f0 drivers/acpi/processor_idle.c:648 cpuidle_enter_state+0x1b1/0xc80 drivers/cpuidle/cpuidle.c:237 cpuidle_enter+0x4a/0xa0 drivers/cpuidle/cpuidle.c:351 call_cpuidle kernel/sched/idle.c:158 [inline] cpuidle_idle_call kernel/sched/idle.c:239 [inline] do_idle+0x3d5/0x580 kernel/sched/idle.c:299 cpu_startup_entry+0x14/0x20 kernel/sched/idle.c:395 start_kernel+0x472/0x493 init/main.c:1061 secondary_startup_64_no_verify+0xb0/0xbb Modules linked in: ---[ end trace 68cc900535795c50 ]--- RIP: 0010:ath9k_hif_usb_rx_stream drivers/net/wireless/ath/ath9k/hif_usb.c:636 [inline] RIP: 0010:ath9k_hif_usb_rx_cb+0x86c/0x1020 drivers/net/wireless/ath/ath9k/hif_usb.c:680 Code: 00 00 49 8d 7f 08 48 89 f8 48 c1 e8 03 42 80 3c 28 00 0f 85 56 05 00 00 4d 8b 7f 08 49 8d bf 98 0f 00 00 48 89 f8 48 c1 e8 03 <42> 0f b6 04 28 84 c0 74 08 3c 03 0f 8e 29 05 00 00 48 8b 44 24 30 RSP: 0018:ffffc90000007928 EFLAGS: 00010006 RAX: 00000000000001f3 RBX: 0000000000000000 RCX: ffffffff84a4bb29 RDX: ffffffff87031000 RSI: ffffffff82f4b081 RDI: 0000000000000f98 RBP: ffff888102f12000 R08: 0000000000000001 R09: ffff888101087ee3 R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 R13: dffffc0000000000 R14: 0000000000000004 R15: 0000000000000000 FS: 0000000000000000(0000) GS:ffff8881f6a00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000055646a5c0160 CR3: 0000000101369000 CR4: 00000000001506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400