general protection fault, probably for non-canonical address 0xdffffc00000001f5: 0000 [#1] PREEMPT SMP KASAN KASAN: null-ptr-deref in range [0x0000000000000fa8-0x0000000000000faf] CPU: 0 PID: 3634 Comm: syz-executor.0 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:642 [inline] RIP: 0010:ath9k_hif_usb_rx_cb+0x87a/0x10d0 drivers/net/wireless/ath/ath9k/hif_usb.c:686 Code: 00 00 00 48 8d 78 08 48 89 fa 48 c1 ea 03 80 3c 1a 00 0f 85 b8 05 00 00 48 8b 40 08 48 8d b8 a8 0f 00 00 48 89 fa 48 c1 ea 03 <0f> b6 14 1a 84 d2 74 09 80 fa 03 0f 8e 0f 06 00 00 83 80 a8 0f 00 RSP: 0018:ffffc90000007918 EFLAGS: 00010016 RAX: 0000000000000000 RBX: dffffc0000000000 RCX: ffffc90001cf1000 RDX: 00000000000001f5 RSI: ffffffff8539a822 RDI: 0000000000000fa8 RBP: 0000000000000268 R08: 0000000000000001 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000000 R12: 000000000000026c R13: 0000000000000000 R14: 0000000000000268 R15: ffff88807f86e000 FS: 000055555686d400(0000) GS:ffff8880b9a00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fcbefb9d0b0 CR3: 0000000031051000 CR4: 0000000000350ef0 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:ffffc9000311fab0 EFLAGS: 00000206 RAX: 0000000000edc527 RBX: ffff88807dda9d80 RCX: 1ffffffff1b77ba9 RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000000 RBP: ffffc9000311faf8 R08: 0000000000000001 R09: 0000000000000001 R10: ffffed10173473e8 R11: 0000000000000001 R12: ffff8880b9a39f40 R13: ffff888039d81d80 R14: 0000000000000000 R15: ffff8880b9a3a978 context_switch kernel/sched/core.c:5181 [inline] __schedule+0xa08/0x4c10 kernel/sched/core.c:6490 preempt_schedule_notrace+0x5b/0xd0 kernel/sched/core.c:6752 preempt_schedule_notrace_thunk+0x16/0x18 arch/x86/entry/thunk_64.S:36 rcu_read_unlock_sched_notrace include/linux/rcupdate.h:828 [inline] trace_lock_acquire include/trace/events/lock.h:24 [inline] lock_acquire+0x496/0x570 kernel/locking/lockdep.c:5637 __might_fault mm/memory.c:5570 [inline] __might_fault+0x104/0x170 mm/memory.c:5563 _copy_from_user+0x25/0x170 lib/usercopy.c:13 copy_from_user include/linux/uaccess.h:152 [inline] get_timespec64+0x75/0x220 kernel/time/time.c:787 __do_sys_clock_nanosleep kernel/time/posix-timers.c:1266 [inline] __se_sys_clock_nanosleep kernel/time/posix-timers.c:1254 [inline] __x64_sys_clock_nanosleep+0x1bb/0x430 kernel/time/posix-timers.c:1254 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: 0033:0x7fc7c1cadfa1 Code: 24 0c 89 3c 24 48 89 4c 24 18 e8 aa e7 ff ff 4c 8b 54 24 18 48 8b 54 24 10 41 89 c0 8b 74 24 0c 8b 3c 24 b8 e6 00 00 00 0f 05 <44> 89 c7 48 89 04 24 e8 e3 e7 ff ff 48 8b 04 24 eb 97 66 2e 0f 1f RSP: 002b:00007fff1b1286f0 EFLAGS: 00000293 ORIG_RAX: 00000000000000e6 RAX: ffffffffffffffda RBX: 0000000000001a0c RCX: 00007fc7c1cadfa1 RDX: 00007fff1b128730 RSI: 0000000000000000 RDI: 0000000000000000 RBP: 00007fff1b1287bc R08: 0000000000000000 R09: 00007fff1b1ab080 R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000032 R13: 0000000000171f65 R14: 0000000000000000 R15: 00007fff1b128820 Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:ath9k_hif_usb_rx_stream drivers/net/wireless/ath/ath9k/hif_usb.c:642 [inline] RIP: 0010:ath9k_hif_usb_rx_cb+0x87a/0x10d0 drivers/net/wireless/ath/ath9k/hif_usb.c:686 Code: 00 00 00 48 8d 78 08 48 89 fa 48 c1 ea 03 80 3c 1a 00 0f 85 b8 05 00 00 48 8b 40 08 48 8d b8 a8 0f 00 00 48 89 fa 48 c1 ea 03 <0f> b6 14 1a 84 d2 74 09 80 fa 03 0f 8e 0f 06 00 00 83 80 a8 0f 00 RSP: 0018:ffffc90000007918 EFLAGS: 00010016 RAX: 0000000000000000 RBX: dffffc0000000000 RCX: ffffc90001cf1000 RDX: 00000000000001f5 RSI: ffffffff8539a822 RDI: 0000000000000fa8 RBP: 0000000000000268 R08: 0000000000000001 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000000 R12: 000000000000026c R13: 0000000000000000 R14: 0000000000000268 R15: ffff88807f86e000 FS: 000055555686d400(0000) GS:ffff8880b9a00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fcbefb9d0b0 CR3: 0000000031051000 CR4: 0000000000350ef0 ---------------- Code disassembly (best guess): 0: 00 00 add %al,(%rax) 2: 00 48 8d add %cl,-0x73(%rax) 5: 78 08 js 0xf 7: 48 89 fa mov %rdi,%rdx a: 48 c1 ea 03 shr $0x3,%rdx e: 80 3c 1a 00 cmpb $0x0,(%rdx,%rbx,1) 12: 0f 85 b8 05 00 00 jne 0x5d0 18: 48 8b 40 08 mov 0x8(%rax),%rax 1c: 48 8d b8 a8 0f 00 00 lea 0xfa8(%rax),%rdi 23: 48 89 fa mov %rdi,%rdx 26: 48 c1 ea 03 shr $0x3,%rdx * 2a: 0f b6 14 1a movzbl (%rdx,%rbx,1),%edx <-- trapping instruction 2e: 84 d2 test %dl,%dl 30: 74 09 je 0x3b 32: 80 fa 03 cmp $0x3,%dl 35: 0f 8e 0f 06 00 00 jle 0x64a 3b: 83 .byte 0x83 3c: 80 .byte 0x80 3d: a8 0f test $0xf,%al