[....] Starting periodic command scheduler: cron[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting OpenBSD Secure Shell server: sshd[ 13.685745] random: sshd: uninitialized urandom read (32 bytes read) [?25l[?1c7[ ok 8[?25h[?0c. Debian GNU/Linux 7 syzkaller ttyS0 syzkaller login: [ 18.606017] random: sshd: uninitialized urandom read (32 bytes read) [ 18.898651] random: sshd: uninitialized urandom read (32 bytes read) [ 19.433199] random: sshd: uninitialized urandom read (32 bytes read) [ 40.024693] random: sshd: uninitialized urandom read (32 bytes read) Warning: Permanently added '10.128.0.18' (ECDSA) to the list of known hosts. [ 45.773899] random: sshd: uninitialized urandom read (32 bytes read) executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program 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program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program 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program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program 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program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program 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program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program 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program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program 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executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 50.217701] BUG: unable to handle kernel paging request at ffffeafff9110020 [ 50.225154] IP: [] page_remove_rmap+0x37/0x6d0 [ 50.231465] PGD 0 [ 50.233434] [ 50.235093] Oops: 0000 [#1] PREEMPT SMP KASAN [ 50.239590] Dumping ftrace buffer: [ 50.243125] (ftrace buffer empty) [ 50.246846] Modules linked in: [ 50.250208] CPU: 1 PID: 13024 Comm: syz-executor841 Not tainted 4.9.120-gf85543b #24 [ 50.258094] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 executing program executing program executing program executing program executing program executing program executing program [ 50.267452] task: ffff8801c5f03000 task.stack: ffff8801d7aa0000 [ 50.273514] RIP: 0010:[] [] page_remove_rmap+0x37/0x6d0 [ 50.282245] RSP: 0018:ffff8801d7aa76c0 EFLAGS: 00010246 [ 50.287688] RAX: dffffc0000000000 RBX: ffffeafff9110000 RCX: 0000000000000000 [ 50.294951] RDX: 1ffffd5fff222004 RSI: ffffffff814f5128 RDI: ffffeafff9110000 [ 50.302215] RBP: ffff8801d7aa76e8 R08: 00000000000360e0 R09: 0000000000000001 [ 50.309481] R10: ffff8801c5f03000 R11: 0000000000000001 R12: ffff8801d7aa7980 [ 50.316776] R13: ffffeafff9110020 R14: ffffeafff9110000 R15: 0000000000000001 [ 50.324046] FS: 0000000000000000(0000) GS:ffff8801db300000(0000) knlGS:0000000000000000 [ 50.332273] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 50.338149] CR2: ffffeafff9110020 CR3: 00000001b88a3000 CR4: 00000000001606f0 [ 50.345422] Stack: [ 50.347564] ffffeafff9110020 ffff8801d7aa7980 ffff8801b8cb9800 ffffeafff9110000 [ 50.355605] ffff8801bf6d3cb8 ffff8801d7aa7740 ffffffff8154bfcf ffff8801d7aa7990 [ 50.363706] ffff8801d7aa7988 ffff8801d7aa7a00 00003ffe444001e0 00000001b8cb9000 [ 50.371744] Call Trace: [ 50.374327] [] zap_huge_pmd+0x16f/0x860 [ 50.379947] [] unmap_page_range+0x12ad/0x1730 [ 50.386092] [] ? vm_normal_page_pmd+0x2f0/0x2f0 [ 50.392427] [] ? _raw_spin_unlock_irqrestore+0x5a/0x70 [ 50.399357] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 50.406200] [] unmap_single_vma+0x101/0x260 [ 50.412166] [] unmap_vmas+0x102/0x1d0 [ 50.417632] [] exit_mmap+0x214/0x3f0 [ 50.422994] [] ? SyS_munmap+0xa0/0xa0 [ 50.428443] [] ? up_write+0x1a/0x60 [ 50.433714] [] mmput+0xf3/0x2d0 [ 50.438636] [] do_exit+0x906/0x27b0 [ 50.443906] [] ? debug_check_no_locks_freed+0x210/0x210 [ 50.450915] [] ? get_futex_key+0x1090/0x1090 [ 50.456972] [] ? release_task.part.19+0x1210/0x1210 [ 50.463633] [] ? recalc_sigpending+0x72/0x90 [ 50.469686] [] do_group_exit+0x111/0x340 [ 50.475384] [] get_signal+0x4cf/0x1450 [ 50.480924] [] do_signal+0x87/0x19f0 [ 50.486284] [] ? __fget+0x231/0x3b0 [ 50.491553] [] ? __fget+0x47/0x3b0 [ 50.496737] [] ? setup_sigcontext+0x7d0/0x7d0 [ 50.502874] [] ? __fget_light+0x169/0x1f0 [ 50.508678] [] ? do_futex+0x17c0/0x17c0 [ 50.514292] [] ? __do_page_fault+0x183/0xd50 [ 50.520338] [] ? exit_to_usermode_loop+0xac/0x120 [ 50.526833] [] exit_to_usermode_loop+0xe1/0x120 [ 50.533148] [] do_syscall_64+0x364/0x490 [ 50.538853] [] entry_SYSCALL_64_after_swapgs+0x5d/0xdb [ 50.545772] Code: 55 41 54 53 48 89 fb e8 c8 b6 e6 ff 4c 8d 6b 20 48 b8 00 00 00 00 00 fc ff df 4c 89 ea 48 c1 ea 03 80 3c 02 00 0f 85 b8 05 00 00 <4c> 8b 73 20 49 89 dc 41 f6 c6 01 0f 85 4b 03 00 00 e8 93 b6 e6 [ 50.573267] RIP [] page_remove_rmap+0x37/0x6d0 [ 50.579621] RSP [ 50.583232] CR2: ffffeafff9110020 [ 50.586677] ---[ end trace 2ccf41b36dca4656 ]--- [ 50.586688] BUG: unable to handle kernel paging request at ffffeafff9058020 [ 50.586701] IP: [] page_remove_rmap+0x37/0x6d0 [ 50.586708] PGD 0 [ 50.586708] [ 50.586714] Oops: 0000 [#2] PREEMPT SMP KASAN [ 50.586722] Dumping ftrace buffer: [ 50.586725] (ftrace buffer empty) [ 50.586730] Modules linked in: [ 50.586739] CPU: 0 PID: 13089 Comm: syz-executor841 Tainted: G D 4.9.120-gf85543b #24 [ 50.586743] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 50.586747] task: ffff8801d53c9800 task.stack: ffff8801d7488000 [ 50.586757] RIP: 0010:[] [] page_remove_rmap+0x37/0x6d0 [ 50.586761] RSP: 0018:ffff8801d748f6c0 EFLAGS: 00010246 [ 50.586766] RAX: dffffc0000000000 RBX: ffffeafff9058000 RCX: 0000000000000000 [ 50.586770] RDX: 1ffffd5fff20b004 RSI: ffffffff814f5128 RDI: ffffeafff9058000 [ 50.586774] RBP: ffff8801d748f6e8 R08: 0000000000000001 R09: 0000000000000000 [ 50.586779] R10: ffff8801d53c9800 R11: 0000000000000000 R12: ffff8801d748f980 [ 50.586783] R13: ffffeafff9058020 R14: ffffeafff9058000 R15: 0000000000000001 [ 50.586789] FS: 0000000000000000(0000) GS:ffff8801db200000(0000) knlGS:0000000000000000 [ 50.586794] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 50.586797] CR2: ffffeafff9058020 CR3: 00000001bd19d000 CR4: 00000000001606f0 [ 50.586803] Stack: [ 50.586814] ffffeafff9058020 ffff8801d748f980 ffff8801ca381800 ffffeafff9058000 [ 50.586824] ffff8801d81435d8 ffff8801d748f740 ffffffff8154bfcf ffff8801d748f990 [ 50.586834] ffff8801d748f988 ffff8801d748fa00 00003ffe416001e0 00000001ca381000 [ 50.586836] Call Trace: [ 50.586848] [] zap_huge_pmd+0x16f/0x860 [ 50.586858] [] unmap_page_range+0x12ad/0x1730 [ 50.586867] [] ? vm_normal_page_pmd+0x2f0/0x2f0 [ 50.586885] [] unmap_single_vma+0x101/0x260 [ 50.586893] [] unmap_vmas+0x102/0x1d0 [ 50.586900] [] exit_mmap+0x214/0x3f0 [ 50.586914] [] ? SyS_munmap+0xa0/0xa0 [ 50.586924] [] mmput+0xf3/0x2d0 [ 50.586933] [] do_exit+0x906/0x27b0 [ 50.586943] [] ? debug_check_no_locks_freed+0x210/0x210 [ 50.586953] [] ? get_futex_key+0x1090/0x1090 [ 50.586961] [] ? release_task.part.19+0x1210/0x1210 [ 50.586970] [] ? __dequeue_signal+0x79/0x520 [ 50.586978] [] ? recalc_sigpending_tsk+0xf9/0x150 [ 50.586985] [] ? recalc_sigpending+0x72/0x90 [ 50.586992] [] ? dequeue_signal+0xc4/0x4b0 [ 50.587000] [] ? kernel_sigaction+0x230/0x230 [ 50.587008] [] do_group_exit+0x111/0x340 [ 50.587015] [] get_signal+0x4cf/0x1450 [ 50.587025] [] do_signal+0x87/0x19f0 [ 50.587032] [] ? __fget+0x231/0x3b0 [ 50.587038] [] ? __fget+0x47/0x3b0 [ 50.587046] [] ? vm_insert_mixed+0x280/0x280 [ 50.587054] [] ? setup_sigcontext+0x7d0/0x7d0 [ 50.587060] [] ? __fget_light+0x169/0x1f0 [ 50.587068] [] ? do_futex+0x17c0/0x17c0 [ 50.587077] [] ? __do_page_fault+0x183/0xd50 [ 50.587085] [] exit_to_usermode_loop+0xe1/0x120 [ 50.587092] [] do_syscall_64+0x364/0x490 [ 50.587102] [] entry_SYSCALL_64_after_swapgs+0x5d/0xdb [ 50.587221] Code: 55 41 54 53 48 89 fb e8 c8 b6 e6 ff 4c 8d 6b 20 48 b8 00 00 00 00 00 fc ff df 4c 89 ea 48 c1 ea 03 80 3c 02 00 0f 85 b8 05 00 00 <4c> 8b 73 20 49 89 dc 41 f6 c6 01 0f 85 4b 03 00 00 e8 93 b6 e6 [ 50.587229] RIP [] page_remove_rmap+0x37/0x6d0 [ 50.587231] RSP [ 50.587233] CR2: ffffeafff9058020 [ 50.587240] ---[ end trace 2ccf41b36dca4657 ]--- [ 50.587244] Kernel panic - not syncing: Fatal exception [ 51.739199] Shutting down cpus with NMI [ 51.743526] Dumping ftrace buffer: [ 51.747044] (ftrace buffer empty) [ 51.750728] Kernel Offset: disabled [ 51.754346] Rebooting in 86400 seconds..