Debian GNU/Linux 9 syzkaller ttyS0

Warning: Permanently added '10.128.1.49' (ECDSA) to the list of known hosts.
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syzkaller login: [   69.744083][ T6601] BUG: unable to handle page fault for address: fffffffffffffffc
[   69.751863][ T6601] #PF: supervisor write access in kernel mode
[   69.757960][ T6601] #PF: error_code(0x0002) - not-present page
[   69.763914][ T6601] PGD b68f067 P4D b68f067 PUD b691067 PMD 0 
[   69.769883][ T6601] Oops: 0002 [#1] PREEMPT SMP KASAN
[   69.775103][ T6601] CPU: 0 PID: 6601 Comm: syz-executor361 Not tainted 5.14.0-rc5-next-20210810-syzkaller #0
[   69.785054][ T6601] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[   69.795086][ T6601] RIP: 0010:alloc_huge_page+0xdcb/0x11b0
[   69.800706][ T6601] Code: 00 0f 85 6b 03 00 00 48 89 ce 48 89 4a 08 48 b8 00 00 00 00 00 fc ff df 48 c1 ee 03 80 3c 06 00 0f 85 2b 03 00 00 49 8d 7e 10 <49> 89 56 08 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 80
[   69.820294][ T6601] RSP: 0018:ffffc90002b8fb78 EFLAGS: 00010046
[   69.826345][ T6601] RAX: dffffc0000000000 RBX: 0000000000000001 RCX: fffffffffffffffc
[   69.834306][ T6601] RDX: ffffea0001fb0008 RSI: 1fffffffffffffff RDI: 0000000000000004
[   69.842256][ T6601] RBP: ffffc90002b8fd50 R08: 0000000000000001 R09: 0000000000000001
[   69.850203][ T6601] R10: ffffffff81b6fda1 R11: 0000000000000000 R12: ffffffff90246a70
[   69.858152][ T6601] R13: 0000000000000001 R14: fffffffffffffff4 R15: ffffffff90246b48
[   69.866100][ T6601] FS:  00000000014e5300(0000) GS:ffff8880b9c00000(0000) knlGS:0000000000000000
[   69.875019][ T6601] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   69.881595][ T6601] CR2: fffffffffffffffc CR3: 000000006eadf000 CR4: 00000000001506f0
[   69.889561][ T6601] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   69.897514][ T6601] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   69.905814][ T6601] Call Trace:
[   69.909074][ T6601]  ? restore_reserve_on_error+0x1e0/0x1e0
[   69.914780][ T6601]  ? __down_timeout+0x10/0x10
[   69.919443][ T6601]  hugetlbfs_fallocate+0x6f3/0x12e0
[   69.924628][ T6601]  ? hugetlbfs_evict_inode+0x70/0x70
[   69.929909][ T6601]  ? aa_path_link+0x2f0/0x2f0
[   69.934573][ T6601]  ? apparmor_file_permission+0x264/0x4e0
[   69.940276][ T6601]  ? hugetlbfs_evict_inode+0x70/0x70
[   69.945561][ T6601]  vfs_fallocate+0x48d/0xd80
[   69.950137][ T6601]  __x64_sys_fallocate+0xcf/0x140
[   69.955149][ T6601]  do_syscall_64+0x35/0xb0
[   69.959546][ T6601]  entry_SYSCALL_64_after_hwframe+0x44/0xae
[   69.965421][ T6601] RIP: 0033:0x43fca9
[   69.969297][ T6601] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 b1 14 00 00 90 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 c0 ff ff ff f7 d8 64 89 01 48
[   69.988884][ T6601] RSP: 002b:00007ffeb30e0858 EFLAGS: 00000246 ORIG_RAX: 000000000000011d
[   69.997287][ T6601] RAX: ffffffffffffffda RBX: 00000000000f4240 RCX: 000000000043fca9
[   70.005256][ T6601] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000003
[   70.013208][ T6601] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
[   70.021158][ T6601] R10: 00000000000003fe R11: 0000000000000246 R12: 000000000001105c
[   70.029109][ T6601] R13: 00007ffeb30e087c R14: 00007ffeb30e0890 R15: 00007ffeb30e0880
[   70.037063][ T6601] Modules linked in:
[   70.040949][ T6601] CR2: fffffffffffffffc
[   70.045079][ T6601] ---[ end trace ca76f32b4018d821 ]---
[   70.050506][ T6601] RIP: 0010:alloc_huge_page+0xdcb/0x11b0
[   70.056123][ T6601] Code: 00 0f 85 6b 03 00 00 48 89 ce 48 89 4a 08 48 b8 00 00 00 00 00 fc ff df 48 c1 ee 03 80 3c 06 00 0f 85 2b 03 00 00 49 8d 7e 10 <49> 89 56 08 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 80
[   70.075704][ T6601] RSP: 0018:ffffc90002b8fb78 EFLAGS: 00010046
[   70.081764][ T6601] RAX: dffffc0000000000 RBX: 0000000000000001 RCX: fffffffffffffffc
[   70.089723][ T6601] RDX: ffffea0001fb0008 RSI: 1fffffffffffffff RDI: 0000000000000004
[   70.097674][ T6601] RBP: ffffc90002b8fd50 R08: 0000000000000001 R09: 0000000000000001
[   70.105722][ T6601] R10: ffffffff81b6fda1 R11: 0000000000000000 R12: ffffffff90246a70
[   70.113672][ T6601] R13: 0000000000000001 R14: fffffffffffffff4 R15: ffffffff90246b48
[   70.121633][ T6601] FS:  00000000014e5300(0000) GS:ffff8880b9c00000(0000) knlGS:0000000000000000
[   70.130555][ T6601] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   70.137119][ T6601] CR2: fffffffffffffffc CR3: 000000006eadf000 CR4: 00000000001506f0
[   70.145071][ T6601] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   70.153032][ T6601] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   70.160997][ T6601] Kernel panic - not syncing: Fatal exception
[   71.236016][ T6601] Shutting down cpus with NMI
[   71.242092][ T6601] Kernel Offset: disabled
[   71.246450][ T6601] Rebooting in 86400 seconds..