general protection fault, probably for non-canonical address 0xdffffc00000001f2: 0000 [#1] SMP KASAN
KASAN: null-ptr-deref in range [0x0000000000000f90-0x0000000000000f97]
CPU: 1 PID: 4372 Comm: syz-executor.5 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: 0018:ffff8881db309920 EFLAGS: 00010002
RAX: 00000000000001f2 RBX: 0000000000000c05 RCX: ffffc900006a8000
RDX: 0000000000040000 RSI: ffffffff82e1f88b RDI: 0000000000000f90
RBP: dffffc0000000000 R08: 0000000000000001 R09: ffff8881aaf60ee3
R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
R13: 0000000000000c05 R14: ffff8881d0fc3000 R15: 0000000000000000
FS:  0000000000000000(0000) GS:ffff8881db300000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000055f0e97d7188 CR3: 0000000007224000 CR4: 00000000001406e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <IRQ>
 __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
 </IRQ>
 __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:arch_local_irq_restore arch/x86/include/asm/irqflags.h:85 [inline]
RIP: 0010:__raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:160 [inline]
RIP: 0010:_raw_spin_unlock_irqrestore+0x3b/0x40 kernel/locking/spinlock.c:191
Code: e8 ca b5 76 fb 48 89 ef e8 62 a2 77 fb f6 c7 02 75 11 53 9d e8 16 46 95 fb 65 ff 0d cf 0d 52 7a 5b 5d c3 e8 f7 4b 95 fb 53 9d <eb> ed 0f 1f 00 55 48 89 fd 65 ff 05 b5 0d 52 7a 45 31 c9 41 b8 01
RSP: 0018:ffff8881cafff518 EFLAGS: 00000a06
RAX: 0000000000013035 RBX: 0000000000000a06 RCX: 0000000000000000
RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffffff85afe139
RBP: ffffffff899c6e20 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000001 R11: 0000000000000000 R12: 1ffffffff1338dc3
R13: 0000000000000000 R14: dead000000000100 R15: dffffc0000000000
 __debug_check_no_obj_freed lib/debugobjects.c:977 [inline]
 debug_check_no_obj_freed+0x20c/0x41c lib/debugobjects.c:998
 free_pages_prepare mm/page_alloc.c:1218 [inline]
 free_pcp_prepare+0x242/0x490 mm/page_alloc.c:1248
 free_unref_page_prepare mm/page_alloc.c:3098 [inline]
 free_unref_page_list+0x1c1/0x740 mm/page_alloc.c:3167
 release_pages+0x43f/0xd00 mm/swap.c:911
 tlb_batch_pages_flush mm/mmu_gather.c:49 [inline]
 tlb_flush_mmu_free mm/mmu_gather.c:242 [inline]
 tlb_flush_mmu+0xe9/0x6e0 mm/mmu_gather.c:249
 zap_pte_range mm/memory.c:1155 [inline]
 zap_pmd_range mm/memory.c:1193 [inline]
 zap_pud_range mm/memory.c:1222 [inline]
 zap_p4d_range mm/memory.c:1243 [inline]
 unmap_page_range+0x15da/0x1de0 mm/memory.c:1264
 unmap_single_vma+0x198/0x300 mm/memory.c:1309
 unmap_vmas+0x174/0x2f0 mm/memory.c:1341
 exit_mmap+0x27f/0x4d0 mm/mmap.c:3150
 __mmput kernel/fork.c:1093 [inline]
 mmput+0xce/0x3d0 kernel/fork.c:1114
 exit_mm kernel/exit.c:482 [inline]
 do_exit+0xac1/0x28f0 kernel/exit.c:792
 do_group_exit+0x125/0x310 kernel/exit.c:903
 get_signal+0x42d/0x1fd0 kernel/signal.c:2739
 do_signal+0x88/0x1a00 arch/x86/kernel/signal.c:810
 exit_to_usermode_loop arch/x86/entry/common.c:212 [inline]
 __prepare_exit_to_usermode+0x169/0x1a0 arch/x86/entry/common.c:246
 do_syscall_64+0x5c/0x90 arch/x86/entry/common.c:368
 entry_SYSCALL_64_after_hwframe+0x44/0xa9
RIP: 0033:0x45cba9
Code: Bad RIP value.
RSP: 002b:00007f24db1a8cf8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca
RAX: fffffffffffffe00 RBX: 000000000078bf08 RCX: 000000000045cba9
RDX: 0000000000000000 RSI: 0000000000000080 RDI: 000000000078bf08
RBP: 000000000078bf00 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 000000000078bf0c
R13: 00007ffd7e2acd9f R14: 00007f24db1a99c0 R15: 000000000078bf0c
Modules linked in:
---[ end trace 72c9310b2d7e5848 ]---
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: 0018:ffff8881db309920 EFLAGS: 00010002
RAX: 00000000000001f2 RBX: 0000000000000c05 RCX: ffffc900006a8000
RDX: 0000000000040000 RSI: ffffffff82e1f88b RDI: 0000000000000f90
RBP: dffffc0000000000 R08: 0000000000000001 R09: ffff8881aaf60ee3
R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
R13: 0000000000000c05 R14: ffff8881d0fc3000 R15: 0000000000000000
FS:  0000000000000000(0000) GS:ffff8881db300000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000055f0e97d7188 CR3: 0000000007224000 CR4: 00000000001406e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400