Warning: Permanently added '10.128.0.60' (ECDSA) to the list of known hosts. executing program executing program executing program executing program executing program executing program syzkaller login: [ 63.537090][ C0] hrtimer: interrupt took 62198 ns executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 64.745288][ T7074] page:000000002be7df2b refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0xa104c executing program executing program executing program [ 64.826811][ T7074] flags: 0xfffe0000000000() executing program executing program [ 64.849216][ T7074] raw: 00fffe0000000000 dead000000000100 ffffea00024ab440 0000000000000000 executing program executing program executing program [ 64.892505][ T7074] raw: 0000000000000000 ffff8880975743c0 00000001ffffffff 0000000000000000 executing program executing program executing program executing program [ 64.965645][ T7074] page dumped because: VM_BUG_ON_PAGE(page->pmd_huge_pte) executing program executing program executing program executing program [ 65.019206][ T7074] ------------[ cut here ]------------ [ 65.026637][ T7074] kernel BUG at include/linux/mm.h:2260! [ 65.055542][ T7074] invalid opcode: 0000 [#1] PREEMPT SMP KASAN [ 65.061621][ T7074] CPU: 1 PID: 7074 Comm: syz-executor496 Not tainted 5.9.0-rc6-syzkaller #0 executing program [ 65.070281][ T7074] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 65.080331][ T7074] RIP: 0010:___pmd_free_tlb+0x108/0x140 [ 65.085907][ T7074] Code: ee e8 5c 8e fe ff 66 90 5b 5d 41 5c 41 5d c3 e8 2e 96 40 00 0f 0b e8 27 96 40 00 48 c7 c6 80 20 89 88 48 89 ef e8 f8 90 6f 00 <0f> 0b e8 11 96 40 00 0f 0b 48 c7 c7 a8 6c fc 89 e8 33 6d 81 00 e9 [ 65.105484][ T7074] RSP: 0018:ffffc900063978f0 EFLAGS: 00010286 [ 65.111528][ T7074] RAX: 0000000000000000 RBX: 00000000000a104c RCX: ffffffff81a54985 [ 65.119490][ T7074] RDX: ffff88809270e240 RSI: ffffffff81a549d4 RDI: ffffea0002841338 [ 65.127445][ T7074] RBP: ffffea0002841300 R08: 0000000000000037 R09: ffff8880ae5318e7 [ 65.135397][ T7074] R10: ffffffffffffffff R11: 0000000000000000 R12: ffffc90006397a50 [ 65.143371][ T7074] R13: ffff8880a104c000 R14: 0000000021000fff R15: 0000000000000000 [ 65.151326][ T7074] FS: 0000000000000000(0000) GS:ffff8880ae500000(0000) knlGS:0000000000000000 [ 65.160229][ T7074] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 65.166784][ T7074] CR2: 00007ffcd5618fb0 CR3: 00000000a3cfc000 CR4: 00000000001506e0 [ 65.175084][ T7074] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 65.183029][ T7074] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 65.190982][ T7074] Call Trace: [ 65.194262][ T7074] free_pgd_range+0xa3f/0xf90 [ 65.198924][ T7074] free_pgtables+0x230/0x2f0 [ 65.203487][ T7074] exit_mmap+0x2c0/0x530 [ 65.207700][ T7074] ? __ia32_sys_remap_file_pages+0x150/0x150 [ 65.213654][ T7074] ? kmem_cache_free.part.0+0x1b0/0x1e0 [ 65.219172][ T7074] ? __khugepaged_exit+0x2d9/0x3f0 [ 65.224313][ T7074] __mmput+0x122/0x470 [ 65.228361][ T7074] mmput+0x53/0x60 [ 65.232090][ T7074] do_exit+0xa8b/0x29f0 [ 65.236236][ T7074] ? asm_sysvec_apic_timer_interrupt+0x12/0x20 [ 65.242365][ T7074] ? mm_update_next_owner+0x7a0/0x7a0 [ 65.247756][ T7074] ? lockdep_hardirqs_on+0x53/0x100 [ 65.252942][ T7074] ? asm_sysvec_apic_timer_interrupt+0x12/0x20 [ 65.259083][ T7074] do_group_exit+0x125/0x310 [ 65.263647][ T7074] get_signal+0x428/0x1f00 [ 65.268039][ T7074] ? find_held_lock+0x2d/0x110 [ 65.272785][ T7074] arch_do_signal+0x82/0x2520 [ 65.277436][ T7074] ? ktime_get+0xd8/0x120 [ 65.281737][ T7074] ? native_apic_msr_write+0x54/0x80 [ 65.287003][ T7074] ? lapic_next_event+0x4d/0x80 [ 65.291830][ T7074] ? clockevents_program_event+0x12b/0x350 [ 65.297610][ T7074] ? copy_siginfo_to_user32+0xa0/0xa0 [ 65.302954][ T7074] ? __x64_sys_futex+0x382/0x4e0 [ 65.307874][ T7074] ? kvm_sched_clock_read+0x14/0x40 [ 65.313052][ T7074] ? exit_to_user_mode_prepare+0xb9/0x200 [ 65.318746][ T7074] ? check_preemption_disabled+0x50/0x130 [ 65.324450][ T7074] exit_to_user_mode_prepare+0x1ae/0x200 [ 65.330080][ T7074] syscall_exit_to_user_mode+0x7e/0x2e0 [ 65.335624][ T7074] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 65.341489][ T7074] RIP: 0033:0x446949 [ 65.345355][ T7074] Code: Bad RIP value. [ 65.349408][ T7074] RSP: 002b:00007fabb6137db8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca [ 65.357799][ T7074] RAX: fffffffffffffe00 RBX: 00000000006dbc28 RCX: 0000000000446949 executing program [ 65.365790][ T7074] RDX: 0000000000000000 RSI: 0000000000000080 RDI: 00000000006dbc28 [ 65.373737][ T7074] RBP: 00000000006dbc20 R08: 0000000000000000 R09: 0000000000000000 [ 65.381688][ T7074] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000006dbc2c [ 65.389656][ T7074] R13: 00007ffcd5618f2f R14: 00007fabb61389c0 R15: 000000000000002d [ 65.397615][ T7074] Modules linked in: [ 65.403354][ T7074] ---[ end trace 65e5d920bc4c5fa2 ]--- [ 65.408845][ T7074] RIP: 0010:___pmd_free_tlb+0x108/0x140 executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 65.414739][ T7074] Code: ee e8 5c 8e fe ff 66 90 5b 5d 41 5c 41 5d c3 e8 2e 96 40 00 0f 0b e8 27 96 40 00 48 c7 c6 80 20 89 88 48 89 ef e8 f8 90 6f 00 <0f> 0b e8 11 96 40 00 0f 0b 48 c7 c7 a8 6c fc 89 e8 33 6d 81 00 e9 executing program executing program executing program executing program executing program executing program [ 65.474972][ T7074] RSP: 0018:ffffc900063978f0 EFLAGS: 00010286 [ 65.487456][ T7074] RAX: 0000000000000000 RBX: 00000000000a104c RCX: ffffffff81a54985 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 65.518025][ T7074] RDX: ffff88809270e240 RSI: ffffffff81a549d4 RDI: ffffea0002841338 [ 65.532973][ T7074] RBP: ffffea0002841300 R08: 0000000000000037 R09: ffff8880ae5318e7 [ 65.549427][ T7074] R10: ffffffffffffffff R11: 0000000000000000 R12: ffffc90006397a50 [ 65.560293][ T7074] R13: ffff8880a104c000 R14: 0000000021000fff R15: 0000000000000000 executing program executing program executing program executing program executing program executing program [ 65.575199][ T7074] FS: 0000000000000000(0000) GS:ffff8880ae400000(0000) knlGS:0000000000000000 [ 65.587647][ T7074] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 65.597698][ T7074] CR2: 00007fabb6137db8 CR3: 00000000830bd000 CR4: 00000000001506f0 [ 65.617303][ T7074] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 executing program executing program executing program executing program [ 65.628741][ T7074] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 65.641524][ T7074] Kernel panic - not syncing: Fatal exception [ 65.649548][ T7074] Kernel Offset: disabled [ 65.653866][ T7074] Rebooting in 86400 seconds..