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: 1181 Comm: udevd Not tainted 5.19.0-rc7-syzkaller-00199-g8288c99fc263 #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:ffffc90000178920 EFLAGS: 00010007 RAX: dffffc0000000000 RBX: 0000000000000000 RCX: ffffc90000e02000 RDX: 00000000000001f6 RSI: ffffffff8329e6b9 RDI: 0000000000000fb4 RBP: 0000000000000000 R08: 0000000000000003 R09: 0000000000004e00 R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000000 R13: ffff88811b498000 R14: ffff888116b0c000 R15: 0000000000000000 FS: 00007f377b857840(0000) GS:ffff8881f6900000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f8f9d312090 CR3: 000000010f5ec000 CR4: 00000000003506e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: __usb_hcd_giveback_urb+0x2b0/0x5c0 drivers/usb/core/hcd.c:1670 usb_hcd_giveback_urb+0x380/0x430 drivers/usb/core/hcd.c:1753 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+0x288/0x9a5 kernel/softirq.c:571 invoke_softirq kernel/softirq.c:445 [inline] __irq_exit_rcu+0x113/0x170 kernel/softirq.c:650 irq_exit_rcu+0x5/0x20 kernel/softirq.c:662 sysvec_apic_timer_interrupt+0x8e/0xc0 arch/x86/kernel/apic/apic.c:1106 asm_sysvec_apic_timer_interrupt+0x16/0x20 arch/x86/include/asm/idtentry.h:649 RIP: 0010:bytes_is_nonzero mm/kasan/generic.c:85 [inline] RIP: 0010:memory_is_nonzero mm/kasan/generic.c:102 [inline] RIP: 0010:memory_is_poisoned_n mm/kasan/generic.c:128 [inline] RIP: 0010:memory_is_poisoned mm/kasan/generic.c:159 [inline] RIP: 0010:check_region_inline mm/kasan/generic.c:180 [inline] RIP: 0010:kasan_check_range+0xde/0x180 mm/kasan/generic.c:189 Code: 74 f2 48 89 c2 b8 01 00 00 00 48 85 d2 75 56 5b 5d 41 5c c3 48 85 d2 74 5e 48 01 ea eb 09 48 83 c0 01 48 39 d0 74 50 80 38 00 <74> f2 eb d4 41 bc 08 00 00 00 48 89 ea 45 29 dc 4d 8d 1c 2c eb 0c RSP: 0018:ffffc900005278d0 EFLAGS: 00000246 RAX: ffffed10221d3442 RBX: ffffed10221d3443 RCX: ffffffff84de7f67 RDX: ffffed10221d3443 RSI: 0000000000000004 RDI: ffff888110e9a210 RBP: ffffed10221d3442 R08: 0000000000000001 R09: ffff888110e9a213 R10: ffffed10221d3442 R11: 0000000000000000 R12: ffff88813788ce90 R13: ffff888110e9a210 R14: ffff88813788cdc0 R15: 00000000000000fe instrument_atomic_read_write include/linux/instrumented.h:101 [inline] atomic_sub include/linux/atomic/atomic-instrumented.h:123 [inline] sock_rfree+0x77/0x2a0 net/core/sock.c:2456 netlink_skb_destructor+0x125/0x210 net/netlink/af_netlink.c:384 skb_release_head_state+0x9f/0x2a0 net/core/skbuff.c:729 skb_release_all net/core/skbuff.c:740 [inline] __kfree_skb net/core/skbuff.c:756 [inline] consume_skb net/core/skbuff.c:917 [inline] consume_skb+0x89/0x160 net/core/skbuff.c:911 skb_free_datagram+0x1b/0x1f0 net/core/datagram.c:322 netlink_recvmsg+0x598/0xe00 net/netlink/af_netlink.c:1998 sock_recvmsg_nosec net/socket.c:995 [inline] sock_recvmsg net/socket.c:1013 [inline] sock_recvmsg net/socket.c:1009 [inline] ____sys_recvmsg+0x2c7/0x600 net/socket.c:2707 ___sys_recvmsg+0x127/0x200 net/socket.c:2749 __sys_recvmsg net/socket.c:2779 [inline] __do_sys_recvmsg net/socket.c:2789 [inline] __se_sys_recvmsg net/socket.c:2786 [inline] __x64_sys_recvmsg+0x12f/0x220 net/socket.c:2786 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: 0033:0x7f377b9be003 Code: 8b 15 79 fe 0b 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b5 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 2f 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 89 54 24 1c 48 RSP: 002b:00007fffb407c9e8 EFLAGS: 00000246 ORIG_RAX: 000000000000002f RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f377b9be003 RDX: 0000000000000000 RSI: 00007fffb407ca18 RDI: 0000000000000004 RBP: 000055cc94f8bdb0 R08: 00000000328ad8a7 R09: 00007fffb40e2080 R10: 00007fffb40e2090 R11: 0000000000000246 R12: 0000000000000001 R13: 000055cc94fda3e0 R14: 00007fffb407cad8 R15: 0000000000000000 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:ffffc90000178920 EFLAGS: 00010007 RAX: dffffc0000000000 RBX: 0000000000000000 RCX: ffffc90000e02000 RDX: 00000000000001f6 RSI: ffffffff8329e6b9 RDI: 0000000000000fb4 RBP: 0000000000000000 R08: 0000000000000003 R09: 0000000000004e00 R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000000 R13: ffff88811b498000 R14: ffff888116b0c000 R15: 0000000000000000 FS: 00007f377b857840(0000) GS:ffff8881f6900000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f8f9d312090 CR3: 000000010f5ec000 CR4: 00000000003506e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 ---------------- 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