Warning: Permanently added '10.128.0.108' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 36.016524] FAULT_INJECTION: forcing a failure. [ 36.016524] name failslab, interval 1, probability 0, space 0, times 1 [ 36.027878] CPU: 1 PID: 8138 Comm: syz-executor410 Not tainted 4.19.211-syzkaller #0 [ 36.035757] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/12/2023 [ 36.045108] Call Trace: [ 36.047685] dump_stack+0x1fc/0x2ef [ 36.051333] should_fail.cold+0xa/0xf [ 36.055119] ? setup_fault_attr+0x200/0x200 [ 36.059424] ? lock_acquire+0x170/0x3c0 [ 36.063389] __should_failslab+0x115/0x180 [ 36.067615] should_failslab+0x5/0x10 [ 36.071398] kmem_cache_alloc+0x277/0x370 [ 36.075530] __pmd_alloc+0xbb/0x440 [ 36.079142] copy_page_range+0x1b86/0x2ff0 [ 36.083365] ? should_fail+0x142/0x7b0 [ 36.087264] ? fs_reclaim_release+0xd0/0x110 [ 36.091677] ? copy_process.part.0+0x3129/0x8260 [ 36.096418] ? lock_downgrade+0x720/0x720 [ 36.100553] ? apply_to_page_range+0xc10/0xc10 [ 36.105124] ? validate_mm_rb+0x3e/0xb0 [ 36.109088] copy_process.part.0+0x5b22/0x8260 [ 36.113666] ? __cleanup_sighand+0x60/0x60 [ 36.117887] ? kernel_read+0x110/0x110 [ 36.121769] _do_fork+0x22f/0xf30 [ 36.125210] ? fork_idle+0x220/0x220 [ 36.128923] ? ksys_write+0x1c8/0x2a0 [ 36.132713] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 36.138068] ? trace_hardirqs_off_caller+0x6e/0x210 [ 36.143082] ? do_syscall_64+0x21/0x620 [ 36.147042] do_syscall_64+0xf9/0x620 [ 36.150829] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 36.156008] RIP: 0033:0x7f342ba4a6b9 [ 36.159723] 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 [ 36.178623] RSP: 002b:00007ffc92d768f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000038 [ 36.186314] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f342ba4a6b9 [ 36.193567] RDX: 0000000000000000 RSI: 0000000000000060 RDI: 0000000000000000 [ 36.200821] RBP: 00007ffc92d76910 R08: 0000000000000000 R09: 0000000000000001 [ 36.208074] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000004 [ 36.215330] R13: 431bde82d7b634db R14: 0000000000000000 R15: 0000000000000000 [ 36.223382] WARNING: CPU: 1 PID: 8138 at arch/x86/mm/pat.c:1064 untrack_pfn+0x247/0x290 [ 36.231537] Kernel panic - not syncing: panic_on_warn set ... [ 36.231537] [ 36.238900] CPU: 1 PID: 8138 Comm: syz-executor410 Not tainted 4.19.211-syzkaller #0 [ 36.246787] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/12/2023 [ 36.256124] Call Trace: [ 36.258700] dump_stack+0x1fc/0x2ef [ 36.262316] panic+0x26a/0x50e [ 36.265492] ? __warn_printk+0xf3/0xf3 [ 36.269364] ? untrack_pfn+0x247/0x290 [ 36.273239] ? __probe_kernel_read+0x130/0x1b0 [ 36.277823] ? __warn.cold+0x5/0x5a [ 36.281435] ? __warn+0xe4/0x200 [ 36.284872] ? untrack_pfn+0x247/0x290 [ 36.288742] __warn.cold+0x20/0x5a [ 36.292284] ? untrack_pfn+0x247/0x290 [ 36.296155] report_bug+0x262/0x2b0 [ 36.299764] do_error_trap+0x1d7/0x310 [ 36.303634] ? math_error+0x310/0x310 [ 36.307443] ? lock_downgrade+0x720/0x720 [ 36.311595] ? lock_acquire+0x170/0x3c0 [ 36.315552] ? __bpf_address_lookup+0x330/0x330 [ 36.320233] ? error_entry+0x72/0xd0 [ 36.323939] ? trace_hardirqs_off_caller+0x6e/0x210 [ 36.328957] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 36.333790] invalid_op+0x14/0x20 [ 36.337247] RIP: 0010:untrack_pfn+0x247/0x290 [ 36.341728] Code: 84 6c ff ff ff e8 09 55 37 00 4c 89 ee 4c 89 e7 e8 ae da ff ff e8 f9 54 37 00 48 85 db 0f 85 58 ff ff ff eb 82 e8 e9 54 37 00 <0f> 0b e9 76 ff ff ff 48 89 df e8 ca 31 6d 00 e9 98 fe ff ff e8 60 [ 36.360774] RSP: 0018:ffff88809707f910 EFLAGS: 00010293 [ 36.366127] RAX: ffff888094d383c0 RBX: ffff8880afc62568 RCX: ffffffff812b2f56 [ 36.373384] RDX: 0000000000000000 RSI: ffffffff812b3087 RDI: 0000000000000005 [ 36.380640] RBP: 1ffff11012e0ff22 R08: ffff88809707f878 R09: 0000000000000000 [ 36.387909] R10: 0000000000000005 R11: 0000000000000000 R12: 00000000ffffffea [ 36.395161] R13: 0000000000000000 R14: 0000000000000000 R15: ffff8880afc625b8 [ 36.402433] ? untrack_pfn+0x116/0x290 [ 36.406306] ? untrack_pfn+0x247/0x290 [ 36.410199] ? track_pfn_insert+0x180/0x180 [ 36.414509] ? vm_normal_page_pmd+0x4c0/0x4c0 [ 36.419077] ? _do_fork+0x22f/0xf30 [ 36.422685] ? do_syscall_64+0xf9/0x620 [ 36.426731] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 36.432099] ? uprobe_munmap+0x2d/0x4d0 [ 36.436068] unmap_single_vma+0x1bc/0x300 [ 36.440206] unmap_vmas+0xa9/0x180 [ 36.443732] exit_mmap+0x2b9/0x530 [ 36.447261] ? __ia32_sys_remap_file_pages+0x150/0x150 [ 36.452529] ? __khugepaged_exit+0x2a6/0x3e0 [ 36.456933] ? __khugepaged_exit+0x2a6/0x3e0 [ 36.461336] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 36.466346] ? kmem_cache_free+0x226/0x260 [ 36.470564] ? __khugepaged_exit+0x2c7/0x3e0 [ 36.474965] mmput+0x14e/0x4a0 [ 36.478144] copy_process.part.0+0x662a/0x8260 [ 36.482726] ? __cleanup_sighand+0x60/0x60 [ 36.486949] ? kernel_read+0x110/0x110 [ 36.490831] _do_fork+0x22f/0xf30 [ 36.494273] ? fork_idle+0x220/0x220 [ 36.497989] ? ksys_write+0x1c8/0x2a0 [ 36.501866] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 36.507216] ? trace_hardirqs_off_caller+0x6e/0x210 [ 36.512220] ? do_syscall_64+0x21/0x620 [ 36.516179] do_syscall_64+0xf9/0x620 [ 36.519973] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 36.525146] RIP: 0033:0x7f342ba4a6b9 [ 36.528846] 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 [ 36.547731] RSP: 002b:00007ffc92d768f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000038 [ 36.555422] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f342ba4a6b9 [ 36.562692] RDX: 0000000000000000 RSI: 0000000000000060 RDI: 0000000000000000 [ 36.569947] RBP: 00007ffc92d76910 R08: 0000000000000000 R09: 0000000000000001 [ 36.577221] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000004 [ 36.584476] R13: 431bde82d7b634db R14: 0000000000000000 R15: 0000000000000000 [ 36.592047] Kernel Offset: disabled [ 36.595722] Rebooting in 86400 seconds..