[ OK ] Reached target Graphical Interface. Starting Update UTMP about System Runlevel Changes... Starting Load/Save RF Kill Switch Status... [ OK ] Started Update UTMP about System Runlevel Changes. [ OK ] Started Load/Save RF Kill Switch Status. Debian GNU/Linux 9 syzkaller ttyS0 Warning: Permanently added '10.128.1.47' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 33.370806] FAULT_INJECTION: forcing a failure. [ 33.370806] name fail_page_alloc, interval 1, probability 0, space 0, times 1 [ 33.382825] CPU: 0 PID: 7999 Comm: syz-executor168 Not tainted 4.14.304-syzkaller #0 [ 33.390698] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/12/2023 [ 33.400067] Call Trace: [ 33.402656] dump_stack+0x1b2/0x281 [ 33.406284] should_fail.cold+0x10a/0x149 [ 33.410429] __alloc_pages_nodemask+0x21e/0x2900 [ 33.415194] ? __lock_acquire+0x5fc/0x3f20 [ 33.419510] ? trace_hardirqs_on+0x10/0x10 [ 33.423737] ? trace_hardirqs_on+0x10/0x10 [ 33.427968] ? gfp_pfmemalloc_allowed+0x150/0x150 [ 33.432807] ? gfp_pfmemalloc_allowed+0x150/0x150 [ 33.437647] ? do_raw_spin_unlock+0x164/0x220 [ 33.442134] ? fs_reclaim_release+0xd0/0x110 [ 33.446530] ? __pmd_alloc+0x32a/0x3f0 [ 33.450408] ? lock_acquire+0x170/0x3f0 [ 33.454376] alloc_pages_current+0x155/0x260 [ 33.458861] pte_alloc_one+0x15/0x100 [ 33.462656] __pte_alloc+0x25/0x2c0 [ 33.466279] copy_page_range+0x1788/0x2630 [ 33.470515] ? apply_to_page_range+0xa60/0xa60 [ 33.475089] ? validate_mm_rb+0x3a/0xa0 [ 33.479065] copy_process.part.0+0x4df8/0x71c0 [ 33.483658] ? __cleanup_sighand+0x40/0x40 [ 33.487912] _do_fork+0x184/0xc80 [ 33.491358] ? fork_idle+0x270/0x270 [ 33.495073] ? SyS_write+0x14d/0x210 [ 33.498772] ? SyS_read+0x210/0x210 [ 33.502387] ? __do_page_fault+0x159/0xad0 [ 33.506613] ? do_syscall_64+0x4c/0x640 [ 33.510573] ? sys_vfork+0x20/0x20 [ 33.514204] do_syscall_64+0x1d5/0x640 [ 33.518083] entry_SYSCALL_64_after_hwframe+0x5e/0xd3 [ 33.523266] RIP: 0033:0x7ff2d6a7c6b9 [ 33.527221] RSP: 002b:00007fff4c651ed8 EFLAGS: 00000246 ORIG_RAX: 0000000000000038 [ 33.534919] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007ff2d6a7c6b9 [ 33.542182] RDX: 0000000000000000 RSI: 0000000000000060 RDI: 0000000000000000 [ 33.549442] RBP: 00007fff4c651ef0 R08: 0000000000000000 R09: 0000000000000001 [ 33.556708] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000004 [ 33.564065] R13: 431bde82d7b634db R14: 0000000000000000 R15: 0000000000000000 [ 33.571933] ------------[ cut here ]------------ [ 33.576710] WARNING: CPU: 0 PID: 7999 at arch/x86/mm/pat.c:1020 untrack_pfn+0x203/0x250 [ 33.584861] Kernel panic - not syncing: panic_on_warn set ... [ 33.584861] [ 33.592234] CPU: 0 PID: 7999 Comm: syz-executor168 Not tainted 4.14.304-syzkaller #0 [ 33.600119] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/12/2023 [ 33.609487] Call Trace: [ 33.612071] dump_stack+0x1b2/0x281 [ 33.615792] panic+0x1f9/0x42d [ 33.618989] ? add_taint.cold+0x16/0x16 [ 33.622953] ? untrack_pfn+0x203/0x250 [ 33.626839] ? untrack_pfn+0x203/0x250 [ 33.630715] __warn.cold+0x20/0x44 [ 33.634241] ? ist_end_non_atomic+0x10/0x10 [ 33.638550] ? untrack_pfn+0x203/0x250 [ 33.642424] report_bug+0x208/0x250 [ 33.646129] do_error_trap+0x195/0x2d0 [ 33.650003] ? math_error+0x2d0/0x2d0 [ 33.653793] ? depot_save_stack+0x1d3/0x3f0 [ 33.658110] ? pmd_huge+0xc5/0x110 [ 33.661639] ? rbt_memtype_copy_nth_element+0x170/0x170 [ 33.667002] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 33.671838] invalid_op+0x1b/0x40 [ 33.675283] RIP: 0010:untrack_pfn+0x203/0x250 [ 33.679876] RSP: 0018:ffff888095adf9c0 EFLAGS: 00010297 [ 33.685229] RAX: ffff8880974f0100 RBX: ffff8880b3159108 RCX: 0000000000000000 [ 33.692486] RDX: 0000000000000000 RSI: 0000000020000000 RDI: ffff888095adf880 [ 33.699741] RBP: 1ffff11012b5bf38 R08: ffff888095adf948 R09: 0000000000000000 [ 33.706999] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 33.714255] R13: 0000000000000000 R14: dffffc0000000000 R15: ffff8880b3159158 [ 33.721531] ? track_pfn_insert+0x140/0x140 [ 33.725847] ? vm_normal_page_pmd+0x340/0x340 [ 33.730348] ? debug_check_no_obj_freed+0x2c0/0x680 [ 33.735353] ? uprobe_munmap+0x1c/0x3e0 [ 33.739315] unmap_single_vma+0x16b/0x2b0 [ 33.743712] unmap_vmas+0x9d/0x160 [ 33.747243] exit_mmap+0x270/0x4d0 [ 33.750772] ? SyS_remap_file_pages+0x6a0/0x6a0 [ 33.755445] ? __khugepaged_exit+0x29b/0x3c0 [ 33.759841] ? rcu_lockdep_current_cpu_online+0xed/0x140 [ 33.765290] ? __khugepaged_exit+0x29b/0x3c0 [ 33.769708] ? kmem_cache_free+0x23a/0x2b0 [ 33.773970] ? __khugepaged_exit+0x29b/0x3c0 [ 33.778375] ? usbfs_increase_memory_usage+0x60/0x60 [ 33.783480] mmput+0xfa/0x420 [ 33.786593] ? usbfs_increase_memory_usage+0x60/0x60 [ 33.791697] copy_process.part.0+0x4dc5/0x71c0 [ 33.796282] ? __cleanup_sighand+0x40/0x40 [ 33.800572] _do_fork+0x184/0xc80 [ 33.804027] ? fork_idle+0x270/0x270 [ 33.807735] ? SyS_write+0x14d/0x210 [ 33.811447] ? SyS_read+0x210/0x210 [ 33.815169] ? __do_page_fault+0x159/0xad0 [ 33.819403] ? do_syscall_64+0x4c/0x640 [ 33.823366] ? sys_vfork+0x20/0x20 [ 33.826899] do_syscall_64+0x1d5/0x640 [ 33.830786] entry_SYSCALL_64_after_hwframe+0x5e/0xd3 [ 33.835965] RIP: 0033:0x7ff2d6a7c6b9 [ 33.839680] RSP: 002b:00007fff4c651ed8 EFLAGS: 00000246 ORIG_RAX: 0000000000000038 [ 33.847381] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007ff2d6a7c6b9 [ 33.854649] RDX: 0000000000000000 RSI: 0000000000000060 RDI: 0000000000000000 [ 33.861906] RBP: 00007fff4c651ef0 R08: 0000000000000000 R09: 0000000000000001 [ 33.869161] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000004 [ 33.876417] R13: 431bde82d7b634db R14: 0000000000000000 R15: 0000000000000000 [ 33.884072] Kernel Offset: disabled [ 33.887747] Rebooting in 86400 seconds..