general protection fault, probably for non-canonical address 0xdffffc00000001f2: 0000 [#1] SMP KASAN KASAN: null-ptr-deref in range [0x0000000000000f90-0x0000000000000f97] CPU: 1 PID: 25205 Comm: systemd-udevd Not tainted 5.8.0-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:627 [inline] RIP: 0010:ath9k_hif_usb_rx_cb+0x843/0xf80 drivers/net/wireless/ath/ath9k/hif_usb.c:671 Code: 00 00 00 49 8d 7f 08 48 89 f8 48 c1 e8 03 80 3c 28 00 0f 85 51 05 00 00 4d 8b 7f 08 49 8d bf 90 0f 00 00 48 89 f8 48 c1 e8 03 <0f> b6 04 28 84 c0 74 08 3c 03 0f 8e 25 05 00 00 48 8b 44 24 30 0f RSP: 0000:ffff8881db309920 EFLAGS: 00010002 RAX: 00000000000001f2 RBX: 000000000000001a RCX: ffffc900006a8000 RDX: 0000000000040000 RSI: ffffffff82e1f88b RDI: 0000000000000f90 RBP: dffffc0000000000 R08: 0000000000000001 R09: ffff8881d51123e3 R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 R13: 000000000000001a R14: ffff8881c70663c0 R15: 0000000000000000 FS: 00007f5253df08c0(0000) GS:ffff8881db300000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007ffc852890f0 CR3: 00000001c6b2e000 CR4: 00000000001406e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: __usb_hcd_giveback_urb+0x32d/0x560 drivers/usb/core/hcd.c:1650 usb_hcd_giveback_urb+0x367/0x410 drivers/usb/core/hcd.c:1716 dummy_timer+0x11f2/0x3240 drivers/usb/gadget/udc/dummy_hcd.c:1967 call_timer_fn+0x1ac/0x6e0 kernel/time/timer.c:1404 expire_timers kernel/time/timer.c:1449 [inline] __run_timers.part.0+0x54c/0x9e0 kernel/time/timer.c:1773 __run_timers kernel/time/timer.c:1745 [inline] run_timer_softirq+0x80/0x120 kernel/time/timer.c:1786 __do_softirq+0x222/0x95b kernel/softirq.c:292 asm_call_on_stack+0xf/0x20 arch/x86/entry/entry_64.S:711 __run_on_irqstack arch/x86/include/asm/irq_stack.h:22 [inline] run_on_irqstack_cond arch/x86/include/asm/irq_stack.h:48 [inline] do_softirq_own_stack+0xed/0x140 arch/x86/kernel/irq_64.c:77 invoke_softirq kernel/softirq.c:387 [inline] __irq_exit_rcu kernel/softirq.c:417 [inline] irq_exit_rcu+0x150/0x1f0 kernel/softirq.c:429 sysvec_apic_timer_interrupt+0x49/0xc0 arch/x86/kernel/apic/apic.c:1091 asm_sysvec_apic_timer_interrupt+0x12/0x20 arch/x86/include/asm/idtentry.h:596 RIP: 0010:mm_cpumask include/linux/mm_types.h:564 [inline] RIP: 0010:flush_tlb_mm_range+0x196/0x3c0 arch/x86/mm/tlb.c:942 Code: 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 80 3c 02 00 0f 85 09 02 00 00 4c 89 65 18 65 48 8b 05 cf 88 f1 7e 48 39 c3 74 76 <4c> 8d a3 10 06 00 00 44 89 ee 4c 89 e7 e8 28 7d e1 00 48 ba 00 00 RSP: 0000:ffff8881d15d7b00 EFLAGS: 00000202 RAX: 0000000000000085 RBX: ffff8881c2810000 RCX: 0000000000000006 RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffffff81119aa4 RBP: ffff8881db332280 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000001 R11: 0000000000000000 R12: ffff8881c61ccb00 R13: 0000000000000001 R14: 00007ffc8528a000 R15: 00007ffc85289000 flush_tlb_page arch/x86/include/asm/tlbflush.h:235 [inline] ptep_clear_flush+0x12b/0x151 mm/pgtable-generic.c:97 wp_page_copy+0x8fb/0x1f10 mm/memory.c:2713 do_wp_page+0x2d2/0x1be0 mm/memory.c:2982 handle_pte_fault mm/memory.c:4243 [inline] __handle_mm_fault mm/memory.c:4357 [inline] handle_mm_fault+0x1b23/0x32a0 mm/memory.c:4394 do_user_addr_fault+0x56c/0xc50 arch/x86/mm/fault.c:1295 handle_page_fault arch/x86/mm/fault.c:1365 [inline] exc_page_fault+0xa1/0x160 arch/x86/mm/fault.c:1418 asm_exc_page_fault+0x1e/0x30 arch/x86/include/asm/idtentry.h:565 RIP: 0033:0x7f5252bbd750 Code: Bad RIP value. RSP: 002b:00007ffc85288370 EFLAGS: 00010202 RAX: 00007ffc852890f8 RBX: 00007ffc85289ee8 RCX: 0000000000000004 RDX: 00007ffc85289f6e RSI: 000055d4eacf7384 RDI: 00007ffc85289ee8 RBP: 00007ffc852890f0 R08: 00007f5253df08c0 R09: 00007f525313f270 R10: 00007f5253df08c0 R11: 0000000000000000 R12: 000055d4eacf7384 R13: 000000000000000d R14: 000055d4eb7ea010 R15: 000055d4eb7ea028 Modules linked in: ---[ end trace c70181365354ce23 ]--- RIP: 0010:ath9k_hif_usb_rx_stream drivers/net/wireless/ath/ath9k/hif_usb.c:627 [inline] RIP: 0010:ath9k_hif_usb_rx_cb+0x843/0xf80 drivers/net/wireless/ath/ath9k/hif_usb.c:671 Code: 00 00 00 49 8d 7f 08 48 89 f8 48 c1 e8 03 80 3c 28 00 0f 85 51 05 00 00 4d 8b 7f 08 49 8d bf 90 0f 00 00 48 89 f8 48 c1 e8 03 <0f> b6 04 28 84 c0 74 08 3c 03 0f 8e 25 05 00 00 48 8b 44 24 30 0f RSP: 0000:ffff8881db309920 EFLAGS: 00010002 RAX: 00000000000001f2 RBX: 000000000000001a RCX: ffffc900006a8000 RDX: 0000000000040000 RSI: ffffffff82e1f88b RDI: 0000000000000f90 RBP: dffffc0000000000 R08: 0000000000000001 R09: ffff8881d51123e3 R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 R13: 000000000000001a R14: ffff8881c70663c0 R15: 0000000000000000 FS: 00007f5253df08c0(0000) GS:ffff8881db300000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007ffc852890f0 CR3: 00000001c6b2e000 CR4: 00000000001406e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400