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: 8534 Comm: syz-executor.1 Not tainted 5.19.0-syzkaller-02972-g200e340f2196 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 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: ffffc90001ca2000 RDX: 00000000000001f6 RSI: ffffffff8539acc9 RDI: 0000000000000fb4 RBP: 0000000000000000 R08: 0000000000000003 R09: 0000000000004e00 R10: 0000000000000000 R11: 1ffffffff1fb5304 R12: 0000000000000000 R13: ffff888026eb8000 R14: ffff888078f06000 R15: 0000000000000000 FS: 00007f99deffe700(0000) GS:ffff8880b9a00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000000002006f000 CR3: 0000000028676000 CR4: 00000000003506f0 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+0x29b/0x9c2 kernel/softirq.c:571 invoke_softirq kernel/softirq.c:445 [inline] __irq_exit_rcu+0x123/0x180 kernel/softirq.c:650 irq_exit_rcu+0x5/0x20 kernel/softirq.c:662 sysvec_apic_timer_interrupt+0x93/0xc0 arch/x86/kernel/apic/apic.c:1106 asm_sysvec_apic_timer_interrupt+0x16/0x20 arch/x86/include/asm/idtentry.h:649 RIP: 0010:finish_task_switch.isra.0+0x2bf/0xc70 kernel/sched/core.c:5058 Code: 8b 3a 4c 89 e7 48 c7 02 00 00 00 00 ff d1 4d 85 ff 75 bf 4c 89 e7 e8 60 f8 ff ff e8 7b 93 2e 00 fb 65 48 8b 1c 25 80 6f 02 00 <48> 8d bb 98 15 00 00 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 RSP: 0018:ffffc90013b673e8 EFLAGS: 00000202 RAX: 00000000000011b5 RBX: ffff888016ebbb00 RCX: 1ffffffff20d20e6 RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000000 RBP: ffffc90013b67430 R08: 0000000000000001 R09: ffffffff9068e947 R10: 0000000000000001 R11: 0000000000000001 R12: ffff8880b9a39f40 R13: ffff88813fee8000 R14: ffff88801b77c600 R15: ffff8880b9a3a978 context_switch kernel/sched/core.c:5181 [inline] __schedule+0xa08/0x4c10 kernel/sched/core.c:6490 preempt_schedule_common+0x45/0xc0 kernel/sched/core.c:6659 preempt_schedule_thunk+0x16/0x18 arch/x86/entry/thunk_64.S:35 __raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:152 [inline] _raw_spin_unlock_irqrestore+0x57/0x70 kernel/locking/spinlock.c:194 spin_unlock_irqrestore include/linux/spinlock.h:404 [inline] pcpu_alloc+0x863/0x13d0 mm/percpu.c:1850 gro_cells_init+0x28/0x250 net/core/gro_cells.c:73 ip_tunnel_init+0x172/0x470 net/ipv4/ip_tunnel.c:1239 register_netdevice+0x5e1/0x1680 net/core/dev.c:9981 __ip_tunnel_create+0x398/0x5c0 net/ipv4/ip_tunnel.c:267 ip_tunnel_init_net+0x2e4/0x9d0 net/ipv4/ip_tunnel.c:1071 ops_init+0xaf/0x470 net/core/net_namespace.c:134 setup_net+0x5d1/0xc50 net/core/net_namespace.c:325 copy_net_ns+0x318/0x760 net/core/net_namespace.c:471 create_new_namespaces+0x3f6/0xb20 kernel/nsproxy.c:110 copy_namespaces+0x391/0x480 kernel/nsproxy.c:178 copy_process+0x305e/0x70a0 kernel/fork.c:2247 kernel_clone+0xe7/0xab0 kernel/fork.c:2659 __do_sys_clone+0xba/0x100 kernel/fork.c:2793 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+0x63/0xcd RIP: 0033:0x7f99e0089209 Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007f99deffe118 EFLAGS: 00000206 ORIG_RAX: 0000000000000038 RAX: ffffffffffffffda RBX: 00007f99e019c100 RCX: 00007f99e0089209 RDX: 0000000020000300 RSI: 00000000200002c0 RDI: 0000000042001000 RBP: 00007f99e00e3161 R08: 0000000020000380 R09: 0000000020000380 R10: 0000000020000340 R11: 0000000000000206 R12: 0000000000000000 R13: 00007f99e06cfb1f R14: 00007f99deffe300 R15: 0000000000022000 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: ffffc90001ca2000 RDX: 00000000000001f6 RSI: ffffffff8539acc9 RDI: 0000000000000fb4 RBP: 0000000000000000 R08: 0000000000000003 R09: 0000000000004e00 R10: 0000000000000000 R11: 1ffffffff1fb5304 R12: 0000000000000000 R13: ffff888026eb8000 R14: ffff888078f06000 R15: 0000000000000000 FS: 00007f99deffe700(0000) GS:ffff8880b9a00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000000002006f000 CR3: 0000000028676000 CR4: 00000000003506f0 ---------------- 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