Warning: Permanently added '10.128.0.198' (ECDSA) to the list of known hosts.
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syzkaller login: [   59.804893][ T6836] BUG: kernel NULL pointer dereference, address: 0000000000000286
[   59.804902][ T6836] #PF: supervisor write access in kernel mode
[   59.804908][ T6836] #PF: error_code(0x0002) - not-present page
[   59.804912][ T6836] PGD a3001067 P4D a3001067 PUD 9265b067 PMD 0 
[   59.804931][ T6836] Oops: 0002 [#1] PREEMPT SMP KASAN
[   59.804944][ T6836] CPU: 1 PID: 6836 Comm: syz-executor220 Not tainted 5.8.0-rc6-syzkaller #0
[   59.804950][ T6836] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[   59.804971][ T6836] RIP: 0010:__syscall_return_slowpath+0x26/0x280
[   59.804983][ T6836] Code: 0b 0f 1f 00 41 55 65 48 8b 04 25 00 ff 01 00 41 54 55 53 48 83 3d 19 60 b4 08 00 48 8b 18 74 3f 48 89 fd 9c 58 0f 1f 44 00 00 <00> 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
[   59.804990][ T6836] RSP: 0018:ffffc900016a7f18 EFLAGS: 00010286
[   59.804999][ T6836] RAX: 0000000000000286 RBX: 0000000000000000 RCX: ffffffff81c2acc4
[   59.805007][ T6836] RDX: ffff888095b2e540 RSI: ffffffff81c2ad0f RDI: ffffc900016a7f58
[   59.805014][ T6836] RBP: ffffc900016a7f58 R08: 0000000000000001 R09: ffff888095b2ee08
[   59.805021][ T6836] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[   59.805027][ T6836] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[   59.805038][ T6836] FS:  00007fc912a8b700(0000) GS:ffff8880ae700000(0000) knlGS:0000000000000000
[   59.805053][ T6836] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   59.805060][ T6836] CR2: 0000000000000286 CR3: 0000000090b85000 CR4: 00000000001406e0
[   59.805070][ T6836] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   59.805077][ T6836] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   59.805081][ T6836] Call Trace:
[   59.805099][ T6836]  do_syscall_64+0x6c/0xe0
[   59.805114][ T6836]  entry_SYSCALL_64_after_hwframe+0x44/0xa9
[   59.805122][ T6836] RIP: 0033:0x446ac9
[   59.805125][ T6836] Code: Bad RIP value.
[   59.805131][ T6836] RSP: 002b:00007fc912a8adb8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[   59.805141][ T6836] RAX: fffffffffffffff7 RBX: 00000000006dbc28 RCX: 0000000000446ac9
[   59.805148][ T6836] RDX: 0000000020000580 RSI: 0000000000004b61 RDI: ffffffffffffffff
[   59.805154][ T6836] RBP: 00000000006dbc20 R08: 0000000000000000 R09: 0000000000000000
[   59.805161][ T6836] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000006dbc2c
[   59.805168][ T6836] R13: 00007ffcf9002a1f R14: 00007fc912a8b9c0 R15: 000000000000002d
[   59.805177][ T6836] Modules linked in:
[   59.805185][ T6836] CR2: 0000000000000286
[   59.805241][ T6836] ---[ end trace 439ded3ebb8de856 ]---
[   59.805258][ T6836] RIP: 0010:__syscall_return_slowpath+0x26/0x280
[   59.805269][ T6836] Code: 0b 0f 1f 00 41 55 65 48 8b 04 25 00 ff 01 00 41 54 55 53 48 83 3d 19 60 b4 08 00 48 8b 18 74 3f 48 89 fd 9c 58 0f 1f 44 00 00 <00> 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
[   59.805276][ T6836] RSP: 0018:ffffc900016a7f18 EFLAGS: 00010286
[   59.805285][ T6836] RAX: 0000000000000286 RBX: 0000000000000000 RCX: ffffffff81c2acc4
[   59.805293][ T6836] RDX: ffff888095b2e540 RSI: ffffffff81c2ad0f RDI: ffffc900016a7f58
[   59.805300][ T6836] RBP: ffffc900016a7f58 R08: 0000000000000001 R09: ffff888095b2ee08
[   59.805307][ T6836] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[   59.805314][ T6836] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[   59.805323][ T6836] FS:  00007fc912a8b700(0000) GS:ffff8880ae700000(0000) knlGS:0000000000000000
[   59.805331][ T6836] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   59.805338][ T6836] CR2: 0000000000000286 CR3: 0000000090b85000 CR4: 00000000001406e0
[   59.805349][ T6836] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   59.805356][ T6836] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   59.805362][ T6836] Kernel panic - not syncing: Fatal exception
[   59.806443][ T6836] Kernel Offset: disabled