[ OK ] Reached target Graphical Interface. Starting Update UTMP about System Runlevel Changes... [ OK ] Started Update UTMP about System Runlevel Changes. Starting Load/Save RF Kill Switch Status... [ OK ] Started Load/Save RF Kill Switch Status. Debian GNU/Linux 9 syzkaller ttyS0 Warning: Permanently added '10.128.10.31' (ECDSA) to the list of known hosts. executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program syzkaller login: [ 308.391019][T10488] general protection fault, probably for non-canonical address 0xe00eeaee0000003b: 0000 [#1] PREEMPT SMP KASAN [ 308.403045][T10488] KASAN: maybe wild-memory-access in range [0x00777770000001d8-0x00777770000001df] [ 308.412468][T10488] CPU: 1 PID: 10488 Comm: syz-executor721 Not tainted 5.9.0-rc3-syzkaller #0 [ 308.421272][T10488] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 308.431448][T10488] RIP: 0010:unlink_file_vma+0x57/0xb0 [ 308.436804][T10488] Code: 4c 8b a5 a0 00 00 00 4d 85 e4 74 4e e8 92 d7 cd ff 49 8d bc 24 d8 01 00 00 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 <80> 3c 02 00 75 3d 4d 8b b4 24 d8 01 00 00 4d 8d 6e 78 4c 89 ef e8 [ 308.456586][T10488] RSP: 0018:ffffc9000ac0f9b0 EFLAGS: 00010202 [ 308.462638][T10488] RAX: dffffc0000000000 RBX: ffff88800010ceb0 RCX: ffffffff81592421 [ 308.470617][T10488] RDX: 000eeeee0000003b RSI: ffffffff81a6736e RDI: 00777770000001d8 [ 308.478712][T10488] RBP: ffff88800010ceb0 R08: 0000000000000001 R09: ffff88801291a50f [ 308.486670][T10488] R10: ffffed10025234a1 R11: 0000000000000001 R12: 0077777000000000 [ 308.494623][T10488] R13: 00007f1eea0da000 R14: 00007f1eea0d9000 R15: 0000000000000000 [ 308.502588][T10488] FS: 0000000000000000(0000) GS:ffff8880ae700000(0000) knlGS:0000000000000000 [ 308.511507][T10488] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 308.518134][T10488] CR2: 00007f1eea11a9d0 CR3: 000000000007e000 CR4: 00000000001506e0 [ 308.526088][T10488] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 308.534307][T10488] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 308.542420][T10488] Call Trace: [ 308.545720][T10488] free_pgtables+0x1b3/0x2f0 [ 308.550337][T10488] exit_mmap+0x2c0/0x530 [ 308.554821][T10488] ? __ia32_sys_remap_file_pages+0x150/0x150 [ 308.560917][T10488] ? check_preemption_disabled+0x50/0x130 [ 308.566687][T10488] ? kmem_cache_free.part.0+0x1b0/0x1e0 [ 308.572288][T10488] ? __khugepaged_exit+0x2d9/0x3f0 [ 308.577484][T10488] __mmput+0x122/0x470 [ 308.581549][T10488] mmput+0x53/0x60 [ 308.585253][T10488] do_exit+0xa8b/0x29f0 [ 308.589450][T10488] ? lock_is_held_type+0xbb/0xf0 [ 308.594764][T10488] ? find_held_lock+0x2d/0x110 [ 308.599527][T10488] ? mm_update_next_owner+0x7a0/0x7a0 [ 308.605070][T10488] ? get_signal+0x34f/0x1f00 [ 308.609682][T10488] ? lock_downgrade+0x830/0x830 [ 308.614518][T10488] ? lock_is_held_type+0xbb/0xf0 [ 308.619578][T10488] do_group_exit+0x125/0x310 [ 308.624166][T10488] get_signal+0x428/0x1f00 [ 308.628664][T10488] arch_do_signal+0x82/0x2520 [ 308.633398][T10488] ? copy_siginfo_to_user32+0xa0/0xa0 [ 308.638823][T10488] ? __x64_sys_futex+0x382/0x4e0 [ 308.643831][T10488] ? exit_to_user_mode_prepare+0xb9/0x200 [ 308.649667][T10488] ? check_preemption_disabled+0x50/0x130 [ 308.655371][T10488] exit_to_user_mode_prepare+0x1ae/0x200 [ 308.660987][T10488] syscall_exit_to_user_mode+0x7e/0x2e0 [ 308.666708][T10488] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 308.672593][T10488] RIP: 0033:0x446ad9 [ 308.676496][T10488] Code: Bad RIP value. [ 308.680541][T10488] RSP: 002b:00007f1eea0f8d18 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca [ 308.688930][T10488] RAX: fffffffffffffe00 RBX: 00000000006dbc58 RCX: 0000000000446ad9 [ 308.696885][T10488] RDX: 0000000000000000 RSI: 0000000000000080 RDI: 00000000006dbc58 [ 308.704838][T10488] RBP: 00000000006dbc50 R08: 65732f636f72702f R09: 65732f636f72702f [ 308.712809][T10488] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000006dbc5c [ 308.720761][T10488] R13: 00007f1eea0f8d20 R14: 00007f1eea0f8d20 R15: 20c49ba5e353f7cf [ 308.728744][T10488] Modules linked in: [ 308.732755][T10488] ---[ end trace 22e4d2773b69c9b0 ]--- [ 308.738274][T10488] RIP: 0010:unlink_file_vma+0x57/0xb0 [ 308.743656][T10488] Code: 4c 8b a5 a0 00 00 00 4d 85 e4 74 4e e8 92 d7 cd ff 49 8d bc 24 d8 01 00 00 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 <80> 3c 02 00 75 3d 4d 8b b4 24 d8 01 00 00 4d 8d 6e 78 4c 89 ef e8 [ 308.763427][T10488] RSP: 0018:ffffc9000ac0f9b0 EFLAGS: 00010202 [ 308.769559][T10488] RAX: dffffc0000000000 RBX: ffff88800010ceb0 RCX: ffffffff81592421 [ 308.777580][T10488] RDX: 000eeeee0000003b RSI: ffffffff81a6736e RDI: 00777770000001d8 [ 308.785598][T10488] RBP: ffff88800010ceb0 R08: 0000000000000001 R09: ffff88801291a50f [ 308.793568][T10488] R10: ffffed10025234a1 R11: 0000000000000001 R12: 0077777000000000 [ 308.801659][T10488] R13: 00007f1eea0da000 R14: 00007f1eea0d9000 R15: 0000000000000000 [ 308.809669][T10488] FS: 0000000000000000(0000) GS:ffff8880ae700000(0000) knlGS:0000000000000000 [ 308.818647][T10488] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 308.825235][T10488] CR2: 00007f1eea11a9d0 CR3: 000000000007e000 CR4: 00000000001506e0 [ 308.833537][T10488] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 308.841568][T10488] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 308.849565][T10488] Kernel panic - not syncing: Fatal exception [ 308.857045][T10488] Kernel Offset: disabled [ 308.861384][T10488] Rebooting in 86400 seconds..