general protection fault, probably for non-canonical address 0xdffffc00000001f6: 0000 [#1] PREEMPT SMP KASAN KASAN: null-ptr-deref in range [0x0000000000000fb0-0x0000000000000fb7] CPU: 0 PID: 0 Comm: swapper/0 Not tainted 5.19.0-rc7-syzkaller-00158-gd5e22360e907 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/29/2022 RIP: 0010:ath9k_hif_usb_rx_stream drivers/net/wireless/ath/ath9k/hif_usb.c:588 [inline] RIP: 0010:ath9k_hif_usb_rx_cb+0xcfd/0x10d0 drivers/net/wireless/ath/ath9k/hif_usb.c:686 Code: 48 c1 ea 03 80 3c 02 00 0f 85 cc 03 00 00 48 b8 00 00 00 00 00 fc ff df 48 8b 5b 08 48 8d bb b4 0f 00 00 48 89 fa 48 c1 ea 03 <0f> b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 09 84 d2 74 05 e8 RSP: 0018:ffffc90000007918 EFLAGS: 00010007 RAX: dffffc0000000000 RBX: 0000000000000000 RCX: ffffc90000c01000 RDX: 00000000000001f6 RSI: ffffffff8329e6b9 RDI: 0000000000000fb4 RBP: 0000000000000000 R08: 0000000000000003 R09: 0000000000004e00 R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000000 R13: ffff88811dcb0000 R14: ffff888109c9a000 R15: 0000000000000000 FS: 0000000000000000(0000) GS:ffff8881f6800000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f084570a718 CR3: 0000000133591000 CR4: 00000000003506f0 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:1670 usb_hcd_giveback_urb+0x367/0x410 drivers/usb/core/hcd.c:1747 dummy_timer+0x11f9/0x32b0 drivers/usb/gadget/udc/dummy_hcd.c:1988 call_timer_fn+0x1a5/0x6b0 kernel/time/timer.c:1474 expire_timers kernel/time/timer.c:1519 [inline] __run_timers.part.0+0x679/0xa80 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+0x288/0x9a5 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: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:130 [inline] RIP: 0010:acpi_safe_halt drivers/acpi/processor_idle.c:112 [inline] RIP: 0010:acpi_idle_do_entry+0x1c9/0x240 drivers/acpi/processor_idle.c:554 Code: 89 de e8 1a f4 54 fb 84 db 75 98 e8 11 f8 54 fb e8 cc 3c 5b fb 66 90 e8 05 f8 54 fb 0f 00 2d ce a0 7b 00 e8 f9 f7 54 fb fb f4 <9c> 5b 81 e3 00 02 00 00 fa 31 ff 48 89 de e8 44 f4 54 fb 48 85 db RSP: 0018:ffffffff87807d38 EFLAGS: 00000293 RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000 RDX: ffffffff87852940 RSI: ffffffff85f030f7 RDI: 0000000000000000 RBP: ffff8881008ab064 R08: 0000000000000001 R09: 0000000000000001 R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000001 R13: ffff8881008ab000 R14: ffff8881008ab064 R15: ffff88810a22c804 acpi_idle_enter+0x369/0x510 drivers/acpi/processor_idle.c:691 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:155 [inline] cpuidle_idle_call kernel/sched/idle.c:236 [inline] do_idle+0x3e8/0x590 kernel/sched/idle.c:303 cpu_startup_entry+0x14/0x20 kernel/sched/idle.c:400 rest_init+0x169/0x270 init/main.c:726 arch_call_rest_init+0xf/0x14 init/main.c:882 start_kernel+0x46e/0x48f init/main.c:1137 secondary_startup_64_no_verify+0xce/0xdb Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:ath9k_hif_usb_rx_stream drivers/net/wireless/ath/ath9k/hif_usb.c:588 [inline] RIP: 0010:ath9k_hif_usb_rx_cb+0xcfd/0x10d0 drivers/net/wireless/ath/ath9k/hif_usb.c:686 Code: 48 c1 ea 03 80 3c 02 00 0f 85 cc 03 00 00 48 b8 00 00 00 00 00 fc ff df 48 8b 5b 08 48 8d bb b4 0f 00 00 48 89 fa 48 c1 ea 03 <0f> b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 09 84 d2 74 05 e8 RSP: 0018:ffffc90000007918 EFLAGS: 00010007 RAX: dffffc0000000000 RBX: 0000000000000000 RCX: ffffc90000c01000 RDX: 00000000000001f6 RSI: ffffffff8329e6b9 RDI: 0000000000000fb4 RBP: 0000000000000000 R08: 0000000000000003 R09: 0000000000004e00 R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000000 R13: ffff88811dcb0000 R14: ffff888109c9a000 R15: 0000000000000000 FS: 0000000000000000(0000) GS:ffff8881f6800000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f084570a718 CR3: 0000000133591000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 ---------------- Code disassembly (best guess): 0: 48 c1 ea 03 shr $0x3,%rdx 4: 80 3c 02 00 cmpb $0x0,(%rdx,%rax,1) 8: 0f 85 cc 03 00 00 jne 0x3da e: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax 15: fc ff df 18: 48 8b 5b 08 mov 0x8(%rbx),%rbx 1c: 48 8d bb b4 0f 00 00 lea 0xfb4(%rbx),%rdi 23: 48 89 fa mov %rdi,%rdx 26: 48 c1 ea 03 shr $0x3,%rdx * 2a: 0f b6 14 02 movzbl (%rdx,%rax,1),%edx <-- trapping instruction 2e: 48 89 f8 mov %rdi,%rax 31: 83 e0 07 and $0x7,%eax 34: 83 c0 03 add $0x3,%eax 37: 38 d0 cmp %dl,%al 39: 7c 09 jl 0x44 3b: 84 d2 test %dl,%dl 3d: 74 05 je 0x44 3f: e8 .byte 0xe8