Warning: Permanently added '10.128.10.47' (ECDSA) to the list of known hosts. [ 42.891073] random: sshd: uninitialized urandom read (32 bytes read, 85 bits of entropy available) executing program [ 42.974688] BUG: unable to handle kernel paging request at ffffeafffd230008 [ 42.982034] IP: [] page_remove_rmap+0x2e/0x260 [ 42.988276] PGD 0 [ 42.990512] Oops: 0000 [#1] PREEMPT SMP KASAN [ 42.995495] Dumping ftrace buffer: [ 42.999023] (ftrace buffer empty) [ 43.002703] Modules linked in: [ 43.006151] CPU: 1 PID: 3808 Comm: syz-executor282 Not tainted 4.4.149-gf76bdbd #82 [ 43.013919] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 43.023248] task: ffff8801cab03000 task.stack: ffff8800bb278000 [ 43.029274] RIP: 0010:[] [] page_remove_rmap+0x2e/0x260 [ 43.037961] RSP: 0018:ffff8800bb27f9c0 EFLAGS: 00010246 [ 43.043383] RAX: dffffc0000000000 RBX: ffffeafffd230000 RCX: ffffea0002dc8000 [ 43.050640] RDX: 1ffffd5fffa46001 RSI: ffffffff814bc8bf RDI: ffffeafffd230008 [ 43.057880] RBP: ffff8800bb27f9d0 R08: ffffffff85363fb0 R09: 0000000000000000 [ 43.065119] R10: 0000000000000001 R11: ffff8801cab03000 R12: 0000000000000001 [ 43.072359] R13: 1ffff1001764ff3e R14: ffff8800b3ea0810 R15: ffffeafffd230000 [ 43.079599] FS: 0000000000000000(0000) GS:ffff8801db300000(0000) knlGS:0000000000000000 [ 43.087798] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 43.093655] CR2: ffffeafffd230008 CR3: 00000000b3cb2000 CR4: 00000000001606f0 [ 43.100987] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 43.108231] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 43.115470] Stack: [ 43.117591] ffff8800bb27fc50 0000000000000001 ffff8800bb27fa78 ffffffff8150a443 [ 43.125568] 00003fff48c001a0 00003fff48c001a0 0000000041b58ab3 ffffffff841ef837 [ 43.133546] ffffffff8150a240 00000000000004f0 ffff8800aecdd6e0 ffff8800bb27fa40 [ 43.141531] Call Trace: [ 43.144111] [] zap_huge_pmd+0x203/0x510 [ 43.149707] [] ? __pmd_trans_huge_lock+0x320/0x320 [ 43.156259] [] unmap_single_vma+0xea3/0x1240 [ 43.162301] [] ? vm_normal_page+0x230/0x230 [ 43.168263] [] ? __put_single_page+0x60/0x60 [ 43.174378] [] unmap_vmas+0x81/0xd0 [ 43.179636] [] exit_mmap+0x1c9/0x3a0 [ 43.184975] [] ? SyS_remap_file_pages+0x870/0x870 [ 43.191442] [] ? up_write+0x1a/0x60 [ 43.196694] [] mmput+0xf8/0x2d0 [ 43.201597] [] do_exit+0x8d8/0x26b0 [ 43.206847] [] ? file_map_prot_check+0x193/0x310 [ 43.213235] [] ? release_task.part.17+0x1200/0x1200 [ 43.219886] [] ? SyS_mprotect+0x41e/0x640 [ 43.225654] [] ? up_write+0x1a/0x60 [ 43.230899] [] ? SyS_mprotect+0x423/0x640 [ 43.236683] [] do_group_exit+0x111/0x330 [ 43.242363] [] ? lockdep_sys_exit_thunk+0x12/0x14 [ 43.248825] [] SyS_exit_group+0x1d/0x20 [ 43.254426] [] entry_SYSCALL_64_fastpath+0x22/0x9e [ 43.260973] Code: e5 41 54 53 48 89 fb e8 e1 77 e9 ff 48 8d 7b 08 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 80 3c 02 00 0f 85 de 01 00 00 43 08 01 0f 84 4e 01 00 00 e8 b3 77 e9 ff f0 83 43 18 ff 78 [ 43.287750] RIP [] page_remove_rmap+0x2e/0x260 [ 43.294072] RSP [ 43.297667] CR2: ffffeafffd230008 [ 43.301089] ---[ end trace ec6c106f421a19ec ]--- [ 43.305812] Kernel panic - not syncing: Fatal exception [ 43.311481] Dumping ftrace buffer: [ 43.314998] (ftrace buffer empty) [ 43.318685] Kernel Offset: disabled [ 43.322388] Rebooting in 86400 seconds..