BUG: unable to handle page fault for address: ffffffffffffffc8 #PF: supervisor read access in kernel mode #PF: error_code(0x0000) - not-present page PGD 7426067 P4D 7426067 PUD 7428067 PMD 0 Oops: 0000 [#1] SMP KASAN CPU: 0 PID: 27954 Comm: modprobe Not tainted 5.14.0-rc1-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:ath9k_htc_rxep+0xb5/0x210 drivers/net/wireless/ath/ath9k/htc_drv_txrx.c:1135 Code: 8b 43 38 48 8d 58 c8 49 39 c4 0f 84 ee 00 00 00 e8 f0 64 37 fe 48 89 d8 48 c1 e8 03 0f b6 04 28 84 c0 74 06 0f 8e 0a 01 00 00 <44> 0f b6 3b 31 ff 44 89 fe e8 fd 6b 37 fe 45 84 ff 75 a8 e8 c3 64 RSP: 0018:ffffc900000079b8 EFLAGS: 00010046 RAX: 0000000000000000 RBX: ffffffffffffffc8 RCX: ffffc90005a09000 RDX: 0000000000040000 RSI: ffffffff830a0050 RDI: ffffc90000007928 RBP: dffffc0000000000 R08: 0000000000000001 R09: 0000000000000003 R10: fffff52000000f25 R11: 0000000000000000 R12: ffff88810f543678 R13: ffff88810f543240 R14: ffff88810f543688 R15: ffff88814b4813a8 FS: 00007f7c5ddda4c0(0000) GS:ffff8881f6800000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: ffffffffffffffc8 CR3: 000000011ee9d000 CR4: 00000000001506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: ath9k_htc_rx_msg+0x2e4/0xb70 drivers/net/wireless/ath/ath9k/htc_hst.c:461 ath9k_hif_usb_reg_in_cb+0x1ac/0x630 drivers/net/wireless/ath/ath9k/hif_usb.c:733 __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:1987 call_timer_fn+0x1a5/0x630 kernel/time/timer.c:1417 expire_timers kernel/time/timer.c:1462 [inline] __run_timers.part.0+0x675/0xa10 kernel/time/timer.c:1731 __run_timers kernel/time/timer.c:1712 [inline] run_timer_softirq+0x80/0x120 kernel/time/timer.c:1744 __do_softirq+0x1b0/0x910 kernel/softirq.c:558 invoke_softirq kernel/softirq.c:432 [inline] __irq_exit_rcu+0x117/0x160 kernel/softirq.c:636 irq_exit_rcu+0x5/0x10 kernel/softirq.c:648 sysvec_apic_timer_interrupt+0x6a/0x90 arch/x86/kernel/apic/apic.c:1100 asm_sysvec_apic_timer_interrupt+0x12/0x20 arch/x86/include/asm/idtentry.h:638 RIP: 0010:mm_counter include/linux/mm.h:1965 [inline] RIP: 0010:zap_pte_range mm/memory.c:1361 [inline] RIP: 0010:zap_pmd_range mm/memory.c:1481 [inline] RIP: 0010:zap_pud_range mm/memory.c:1510 [inline] RIP: 0010:zap_p4d_range mm/memory.c:1531 [inline] RIP: 0010:unmap_page_range+0xaeb/0x1c40 mm/memory.c:1552 Code: eb e8 39 3f df ff 48 8d 7b 18 48 89 f8 48 c1 e8 03 42 80 3c 30 00 0f 85 0d 0f 00 00 48 8b 43 18 31 ff bb 01 00 00 00 83 e0 01 <89> c6 88 44 24 20 e8 3a 46 df ff 0f b6 44 24 20 84 c0 0f 85 d1 00 RSP: 0018:ffffc90005947a28 EFLAGS: 00000246 RAX: 0000000000000000 RBX: 0000000000000001 RCX: 0000000000000000 RDX: ffff888119580000 RSI: ffffffff81622607 RDI: 0000000000000000 RBP: ffffea0004475380 R08: 0000000000000000 R09: 0000000000000001 R10: ffffffff816225f1 R11: 0000000000000000 R12: ffff88813f790ee8 R13: ffffea0004475388 R14: dffffc0000000000 R15: 00007f7c5ddde000 unmap_single_vma+0x198/0x300 mm/memory.c:1597 unmap_vmas+0x16d/0x2f0 mm/memory.c:1629 unmap_region+0x204/0x350 mm/mmap.c:2677 __do_munmap+0x600/0x1270 mm/mmap.c:2911 __vm_munmap+0x104/0x220 mm/mmap.c:2934 __do_sys_munmap mm/mmap.c:2960 [inline] __se_sys_munmap mm/mmap.c:2956 [inline] __x64_sys_munmap+0x62/0x80 mm/mmap.c:2956 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x44/0xae RIP: 0033:0x7f7c5dbd4387 Code: b4 eb 91 f7 d8 89 05 b8 bd 20 00 48 c7 c0 ff ff ff ff eb a1 f7 d8 89 05 a7 bd 20 00 e9 73 ff ff ff 66 90 b8 0b 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8d 0d 89 bd 20 00 f7 d8 89 01 48 83 RSP: 002b:00007fff004198b8 EFLAGS: 00000206 ORIG_RAX: 000000000000000b RAX: ffffffffffffffda RBX: 000004850a194fbc RCX: 00007f7c5dbd4387 RDX: 0000048500000000 RSI: 0000000000002dda RDI: 00007f7c5dddb000 RBP: 00007fff00419ad0 R08: 0000000000000000 R09: 00007f7c5d822b98 R10: 00007f7c5dddf030 R11: 0000000000000206 R12: 0000000000000000 R13: 00007f7c5dde0170 R14: 00007f7c5ddda4c0 R15: 00007f7c5dde0170 Modules linked in: CR2: ffffffffffffffc8 ---[ end trace 988b0d6c85d530d3 ]--- RIP: 0010:ath9k_htc_rxep+0xb5/0x210 drivers/net/wireless/ath/ath9k/htc_drv_txrx.c:1135 Code: 8b 43 38 48 8d 58 c8 49 39 c4 0f 84 ee 00 00 00 e8 f0 64 37 fe 48 89 d8 48 c1 e8 03 0f b6 04 28 84 c0 74 06 0f 8e 0a 01 00 00 <44> 0f b6 3b 31 ff 44 89 fe e8 fd 6b 37 fe 45 84 ff 75 a8 e8 c3 64 RSP: 0018:ffffc900000079b8 EFLAGS: 00010046 RAX: 0000000000000000 RBX: ffffffffffffffc8 RCX: ffffc90005a09000 RDX: 0000000000040000 RSI: ffffffff830a0050 RDI: ffffc90000007928 RBP: dffffc0000000000 R08: 0000000000000001 R09: 0000000000000003 R10: fffff52000000f25 R11: 0000000000000000 R12: ffff88810f543678 R13: ffff88810f543240 R14: ffff88810f543688 R15: ffff88814b4813a8 FS: 00007f7c5ddda4c0(0000) GS:ffff8881f6800000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: ffffffffffffffc8 CR3: 000000011ee9d000 CR4: 00000000001506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400