general protection fault, probably for non-canonical address 0xdffffc00000001f6: 0000 [#1] PREEMPT SMP KASAN KASAN: null-ptr-deref in range [0x0000000000000fb0-0x0000000000000fb7] CPU: 1 PID: 5634 Comm: syz-executor.2 Not tainted 5.19.0-rc7-syzkaller-00005-gca85855bdcae #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/29/2022 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:ffffc900001e0918 EFLAGS: 00010017 RAX: dffffc0000000000 RBX: 0000000000000000 RCX: ffffc90001ea3000 RDX: 00000000000001f6 RSI: ffffffff8539af29 RDI: 0000000000000fb4 RBP: 000000000000f601 R08: 0000000000000003 R09: 0000000000004e00 R10: 0000000000004eff R11: 0000000000000001 R12: 0000000000004eff R13: ffff8880465c8000 R14: ffff88807383c000 R15: 0000000000000000 FS: 00007f8b1a9ec700(0000) GS:ffff8880b9b00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00000000201f7030 CR3: 0000000070dd7000 CR4: 0000000000350ee0 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:lock_is_held_type+0xff/0x140 kernel/locking/lockdep.c:5713 Code: 00 00 b8 ff ff ff ff 65 0f c1 05 74 f0 8a 76 83 f8 01 75 29 9c 58 f6 c4 02 75 3d 48 f7 04 24 00 02 00 00 74 01 fb 48 83 c4 08 <44> 89 e8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 45 31 ed eb b9 0f 0b 48 RSP: 0018:ffffc9000a84f678 EFLAGS: 00000286 RAX: 0000000000000046 RBX: 0000000000000000 RCX: 0000000000000001 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 RBP: ffffffff8bd87060 R08: ffffffff880d4c96 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000001 R12: ffff8880481e5880 R13: 0000000000000000 R14: 00000000ffffffff R15: ffff88801c1699b8 lock_is_held include/linux/lockdep.h:279 [inline] __might_resched+0x3a/0x2c0 kernel/sched/core.c:9783 __mutex_lock_common kernel/locking/mutex.c:580 [inline] __mutex_lock+0x9f/0x1350 kernel/locking/mutex.c:747 __unix_dgram_recvmsg+0x226/0xb90 net/unix/af_unix.c:2387 unix_dgram_recvmsg+0xc0/0xe0 net/unix/af_unix.c:2487 sock_recvmsg_nosec net/socket.c:995 [inline] ____sys_recvmsg+0x536/0x600 net/socket.c:2705 ___sys_recvmsg+0x127/0x200 net/socket.c:2749 do_recvmmsg+0x254/0x6d0 net/socket.c:2843 __sys_recvmmsg net/socket.c:2922 [inline] __do_sys_recvmmsg net/socket.c:2945 [inline] __se_sys_recvmmsg net/socket.c:2938 [inline] __x64_sys_recvmmsg+0x20b/0x260 net/socket.c:2938 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: 0033:0x7f8b19889199 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:00007f8b1a9ec168 EFLAGS: 00000246 ORIG_RAX: 000000000000012b RAX: ffffffffffffffda RBX: 00007f8b1999c030 RCX: 00007f8b19889199 RDX: 0000000000010106 RSI: 00000000200000c0 RDI: 0000000000000003 RBP: 00007f8b198e313b R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000002 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffe627f3a1f R14: 00007f8b1a9ec300 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:ffffc900001e0918 EFLAGS: 00010017 RAX: dffffc0000000000 RBX: 0000000000000000 RCX: ffffc90001ea3000 RDX: 00000000000001f6 RSI: ffffffff8539af29 RDI: 0000000000000fb4 RBP: 000000000000f601 R08: 0000000000000003 R09: 0000000000004e00 R10: 0000000000004eff R11: 0000000000000001 R12: 0000000000004eff R13: ffff8880465c8000 R14: ffff88807383c000 R15: 0000000000000000 FS: 00007f8b1a9ec700(0000) GS:ffff8880b9b00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00000000201f7030 CR3: 0000000070dd7000 CR4: 0000000000350ee0 ---------------- 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