Starting Load/Save RF Kill Switch Status...
[  OK  ] Started Load/Save RF Kill Switch Status.


Debian GNU/Linux 9 syzkaller ttyS0

Warning: Permanently added '10.128.0.243' (ECDSA) to the list of known hosts.
executing program
syzkaller login: [   56.496014][ T6795] general protection fault, probably for non-canonical address 0xdffffc0000000002: 0000 [#1] PREEMPT SMP KASAN
[   56.507956][ T6795] KASAN: null-ptr-deref in range [0x0000000000000010-0x0000000000000017]
[   56.516356][ T6795] CPU: 1 PID: 6795 Comm: syz-executor499 Not tainted 5.7.0-rc7-next-20200529-syzkaller #0
[   56.526210][ T6795] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[   56.536247][ T6795] RIP: 0010:qrtr_endpoint_post+0x92/0xfa0
[   56.541936][ T6795] Code: 44 89 e6 e8 e0 cf 4d fe 48 85 c0 48 89 c5 0f 84 57 0e 00 00 e8 3f e5 99 f9 48 89 da 48 b8 00 00 00 00 00 fc ff df 48 c1 ea 03 <0f> b6 04 02 48 89 da 83 e2 07 38 d0 7f 08 84 c0 0f 85 f7 0c 00 00
[   56.561525][ T6795] RSP: 0018:ffffc90001787c60 EFLAGS: 00010202
[   56.567563][ T6795] RAX: dffffc0000000000 RBX: 0000000000000010 RCX: ffffffff8626e89b
[   56.575506][ T6795] RDX: 0000000000000002 RSI: ffffffff87d91661 RDI: ffff88809e7ea3d0
[   56.583463][ T6795] RBP: ffff88809e7ea3c0 R08: ffff888094e38440 R09: ffffed1010d0061d
[   56.591405][ T6795] R10: ffff8880868030e3 R11: ffffed1010d0061c R12: 0000000000000000
[   56.599352][ T6795] R13: ffff8880a91ae400 R14: ffffc90001787ec8 R15: 0000000000000000
[   56.607295][ T6795] FS:  0000000001107880(0000) GS:ffff8880ae700000(0000) knlGS:0000000000000000
[   56.616192][ T6795] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   56.622770][ T6795] CR2: 0000000020000000 CR3: 00000000a2975000 CR4: 00000000001406e0
[   56.630715][ T6795] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   56.638660][ T6795] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   56.646614][ T6795] Call Trace:
[   56.649879][ T6795]  ? find_held_lock+0x2d/0x110
[   56.654615][ T6795]  qrtr_tun_write_iter+0xf5/0x180
[   56.659614][ T6795]  new_sync_write+0x426/0x650
[   56.664262][ T6795]  ? new_sync_read+0x6d0/0x6d0
[   56.669007][ T6795]  ? common_file_perm+0x2d2/0x920
[   56.674017][ T6795]  ? kmem_cache_free+0x262/0x320
[   56.678936][ T6795]  ? security_file_permission+0x8c/0x460
[   56.684546][ T6795]  ? file_open_root+0x400/0x400
[   56.689369][ T6795]  __vfs_write+0xc9/0x100
[   56.693669][ T6795]  vfs_write+0x268/0x5d0
[   56.697885][ T6795]  ksys_write+0x12d/0x250
[   56.702184][ T6795]  ? __ia32_sys_read+0xb0/0xb0
[   56.706921][ T6795]  ? do_syscall_64+0x1c/0xe0
[   56.711480][ T6795]  ? lockdep_hardirqs_on_prepare+0x3a2/0x590
[   56.717430][ T6795]  do_syscall_64+0x60/0xe0
[   56.721824][ T6795]  entry_SYSCALL_64_after_hwframe+0x44/0xa9
[   56.727687][ T6795] RIP: 0033:0x4401b9
[   56.731552][ T6795] Code: 18 89 d0 c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 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 0f 83 fb 13 fc ff c3 66 2e 0f 1f 84 00 00 00 00
[   56.751124][ T6795] RSP: 002b:00007fffa1a846b8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[   56.759516][ T6795] RAX: ffffffffffffffda RBX: 00000000004002c8 RCX: 00000000004401b9
[   56.767469][ T6795] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000003
[   56.775410][ T6795] RBP: 00000000006ca018 R08: 0000000000000000 R09: 00000000004002c8
[   56.784396][ T6795] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000401a40
[   56.792339][ T6795] R13: 0000000000401ad0 R14: 0000000000000000 R15: 0000000000000000
[   56.800287][ T6795] Modules linked in:
[   56.812585][ T6795] ---[ end trace d1d5cbd5a510f406 ]---
[   56.818185][ T6795] RIP: 0010:qrtr_endpoint_post+0x92/0xfa0
[   56.823879][ T6795] Code: 44 89 e6 e8 e0 cf 4d fe 48 85 c0 48 89 c5 0f 84 57 0e 00 00 e8 3f e5 99 f9 48 89 da 48 b8 00 00 00 00 00 fc ff df 48 c1 ea 03 <0f> b6 04 02 48 89 da 83 e2 07 38 d0 7f 08 84 c0 0f 85 f7 0c 00 00
[   56.844310][ T6795] RSP: 0018:ffffc90001787c60 EFLAGS: 00010202
[   56.850747][ T6795] RAX: dffffc0000000000 RBX: 0000000000000010 RCX: ffffffff8626e89b
[   56.859394][ T6795] RDX: 0000000000000002 RSI: ffffffff87d91661 RDI: ffff88809e7ea3d0
[   56.868103][ T6795] RBP: ffff88809e7ea3c0 R08: ffff888094e38440 R09: ffffed1010d0061d
[   56.876596][ T6795] R10: ffff8880868030e3 R11: ffffed1010d0061c R12: 0000000000000000
[   56.884612][ T6795] R13: ffff8880a91ae400 R14: ffffc90001787ec8 R15: 0000000000000000
[   56.893156][ T6795] FS:  0000000001107880(0000) GS:ffff8880ae700000(0000) knlGS:0000000000000000
[   56.902564][ T6795] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   56.909517][ T6795] CR2: 00007f7742ed7000 CR3: 00000000a2975000 CR4: 00000000001406e0
[   56.917867][ T6795] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   56.926178][ T6795] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   56.934187][ T6795] Kernel panic - not syncing: Fatal exception
[   56.941410][ T6795] Kernel Offset: disabled
[   56.945733][ T6795] Rebooting in 86400 seconds..