general protection fault, probably for non-canonical address 0xdffffc00000001f3: 0000 [#1] PREEMPT SMP KASAN KASAN: null-ptr-deref in range [0x0000000000000f98-0x0000000000000f9f] CPU: 1 PID: 0 Comm: swapper/1 Not tainted 5.13.0-rc2-next-20210518-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+0x8a2/0x10b0 drivers/net/wireless/ath/ath9k/hif_usb.c:680 Code: 00 00 00 48 8d 78 08 48 89 fa 48 c1 ea 03 80 3c 1a 00 0f 85 b0 05 00 00 48 8b 40 08 48 8d b8 98 0f 00 00 48 89 fa 48 c1 ea 03 <0f> b6 14 1a 84 d2 74 09 80 fa 03 0f 8e 79 05 00 00 83 80 98 0f 00 RSP: 0018:ffffc90000dc0920 EFLAGS: 00010006 RAX: 0000000000000000 RBX: dffffc0000000000 RCX: 0000000000000100 RDX: 00000000000001f3 RSI: ffffffff8502d26a RDI: 0000000000000f98 RBP: 0000000000000004 R08: 0000000000000000 R09: ffff888015595ce3 R10: ffffffff870a47cf R11: 000000000000003f R12: 0000000000000000 R13: 0000000000000000 R14: 0000000000000000 R15: ffff8880151a2640 FS: 0000000000000000(0000) GS:ffff8880b9d00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000055e5495f0180 CR3: 0000000030451000 CR4: 00000000001506e0 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:1656 usb_hcd_giveback_urb+0x367/0x410 drivers/usb/core/hcd.c:1726 dummy_timer+0x11f9/0x32b0 drivers/usb/gadget/udc/dummy_hcd.c:1978 call_timer_fn+0x1a5/0x6b0 kernel/time/timer.c:1417 expire_timers kernel/time/timer.c:1462 [inline] __run_timers.part.0+0x67c/0xa50 kernel/time/timer.c:1731 __run_timers kernel/time/timer.c:1712 [inline] run_timer_softirq+0xb3/0x1d0 kernel/time/timer.c:1744 __do_softirq+0x29b/0x9fb kernel/softirq.c:559 invoke_softirq kernel/softirq.c:433 [inline] __irq_exit_rcu+0x136/0x200 kernel/softirq.c:637 irq_exit_rcu+0x5/0x20 kernel/softirq.c:649 sysvec_apic_timer_interrupt+0x93/0xc0 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+0x1c6/0x250 drivers/acpi/processor_idle.c:513 Code: 89 de e8 2d 8a 55 f8 84 db 75 ac e8 e4 83 55 f8 e8 cf 97 5b f8 eb 0c e8 d8 83 55 f8 0f 00 2d 21 5c ce 00 e8 cc 83 55 f8 fb f4 <9c> 5b 81 e3 00 02 00 00 fa 31 ff 48 89 de e8 17 89 55 f8 48 85 db RSP: 0018:ffffc90000d57d18 EFLAGS: 00000293 RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000 RDX: ffff8880123e5580 RSI: ffffffff89205004 RDI: 0000000000000000 RBP: ffff88801764a864 R08: 0000000000000001 R09: 0000000000000001 R10: ffffffff817be7f8 R11: 0000000000000000 R12: 0000000000000001 R13: ffff88801764a800 R14: ffff88801764a864 R15: ffff88814427c804 acpi_idle_enter+0x361/0x500 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+0x3e8/0x590 kernel/sched/idle.c:306 cpu_startup_entry+0x14/0x20 kernel/sched/idle.c:403 start_secondary+0x26a/0x340 arch/x86/kernel/smpboot.c:271 secondary_startup_64_no_verify+0xb0/0xbb Modules linked in: ---[ end trace 389df67dd38c7b80 ]--- RIP: 0010:ath9k_hif_usb_rx_stream drivers/net/wireless/ath/ath9k/hif_usb.c:636 [inline] RIP: 0010:ath9k_hif_usb_rx_cb+0x8a2/0x10b0 drivers/net/wireless/ath/ath9k/hif_usb.c:680 Code: 00 00 00 48 8d 78 08 48 89 fa 48 c1 ea 03 80 3c 1a 00 0f 85 b0 05 00 00 48 8b 40 08 48 8d b8 98 0f 00 00 48 89 fa 48 c1 ea 03 <0f> b6 14 1a 84 d2 74 09 80 fa 03 0f 8e 79 05 00 00 83 80 98 0f 00 RSP: 0018:ffffc90000dc0920 EFLAGS: 00010006 RAX: 0000000000000000 RBX: dffffc0000000000 RCX: 0000000000000100 RDX: 00000000000001f3 RSI: ffffffff8502d26a RDI: 0000000000000f98 RBP: 0000000000000004 R08: 0000000000000000 R09: ffff888015595ce3 R10: ffffffff870a47cf R11: 000000000000003f R12: 0000000000000000 R13: 0000000000000000 R14: 0000000000000000 R15: ffff8880151a2640 FS: 0000000000000000(0000) GS:ffff8880b9d00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000055e5495f0180 CR3: 0000000030451000 CR4: 00000000001506e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400