[ 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 '10.128.1.25' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 37.149300] ntfs: volume version 3.1. executing program executing program [ 37.248602] ntfs: volume version 3.1. [ 37.335991] ntfs: volume version 3.1. executing program executing program [ 37.406718] ntfs: volume version 3.1. [ 37.483892] ntfs: volume version 3.1. executing program [ 37.577087] ntfs: volume version 3.1. executing program [ 37.679087] ntfs: volume version 3.1. executing program executing program [ 37.777085] ntfs: volume version 3.1. [ 37.853720] ntfs: volume version 3.1. executing program [ 37.955736] ntfs: volume version 3.1. executing program [ 38.054012] ntfs: volume version 3.1. executing program [ 38.158491] ntfs: volume version 3.1. executing program [ 38.253584] ntfs: volume version 3.1. executing program [ 38.335069] ntfs: volume version 3.1. executing program executing program [ 38.448205] ntfs: volume version 3.1. [ 38.538379] ntfs: volume version 3.1. executing program [ 38.640705] ntfs: volume version 3.1. executing program [ 38.740512] ntfs: volume version 3.1. executing program [ 38.838764] ntfs: volume version 3.1. executing program [ 38.924469] ntfs: volume version 3.1. executing program [ 39.044479] ntfs: volume version 3.1. [ 39.072691] ------------[ cut here ]------------ [ 39.077601] kernel BUG at fs/ntfs/file.c:514! [ 39.083194] invalid opcode: 0000 [#1] PREEMPT SMP KASAN [ 39.088589] CPU: 1 PID: 8268 Comm: syz-executor629 Not tainted 4.19.211-syzkaller #0 [ 39.096500] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022 [ 39.105854] RIP: 0010:ntfs_perform_write.isra.0+0x194a/0x8570 [ 39.111721] Code: 13 00 00 01 bf 00 10 00 00 44 89 fe e8 af 92 1b ff 41 81 ff 00 10 00 00 0f 86 a7 fe ff ff e8 2d 91 1b ff 0f 0b e8 26 91 1b ff <0f> 0b e8 1f 91 1b ff 48 8b 54 24 08 48 b8 00 00 00 00 00 fc ff df [ 39.130605] RSP: 0018:ffff88809b4276a0 EFLAGS: 00010293 [ 39.135947] RAX: ffff888091d800c0 RBX: 0000000000000000 RCX: ffffffff8246de6a [ 39.143197] RDX: 0000000000000000 RSI: ffffffff8246f44a RDI: 0000000000000005 [ 39.150534] RBP: ffff88809b4279a0 R08: 0000000000000001 R09: 0000000000000000 [ 39.157886] R10: 0000000000000005 R11: 0000000000000000 R12: dffffc0000000000 [ 39.165133] R13: 0000000000000000 R14: ffffea000229f740 R15: 0000000000000004 [ 39.172472] FS: 00007fecc1d7e700(0000) GS:ffff8880ba100000(0000) knlGS:0000000000000000 [ 39.180684] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 39.186545] CR2: 0000000020001001 CR3: 000000009ae79000 CR4: 00000000003406e0 [ 39.193798] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 39.201045] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 39.208295] Call Trace: [ 39.210879] ? check_preemption_disabled+0x10/0x280 [ 39.215898] ? trace_hardirqs_on_caller+0x1b0/0x210 [ 39.220896] ? ntfs_attr_find+0x40a/0xb10 [ 39.225028] ? ntfs_file_open+0x20/0x20 [ 39.228993] ? lock_downgrade+0x720/0x720 [ 39.233166] ? debug_check_no_obj_freed+0xb5/0x490 [ 39.238075] ? __mutex_unlock_slowpath+0xea/0x610 [ 39.242897] ? wait_for_completion_io+0x10/0x10 [ 39.247545] ? check_preemption_disabled+0x41/0x280 [ 39.252540] ? ntfs_file_write_iter+0xd6f/0x23b0 [ 39.257274] ntfs_file_write_iter+0x5d9/0x23b0 [ 39.261858] do_iter_readv_writev+0x668/0x790 [ 39.266333] ? clone_verify_area+0x240/0x240 [ 39.270721] ? security_file_permission+0x1c0/0x220 [ 39.275717] do_iter_write+0x182/0x5d0 [ 39.279587] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 39.284583] vfs_writev+0x153/0x2e0 [ 39.288192] ? vfs_iter_write+0xa0/0xa0 [ 39.292151] ? lock_downgrade+0x720/0x720 [ 39.296286] ? do_dup2+0x450/0x450 [ 39.299811] __x64_sys_pwritev+0x22b/0x310 [ 39.304027] ? __ia32_sys_preadv2+0x150/0x150 [ 39.308501] ? trace_hardirqs_off_caller+0x6e/0x210 [ 39.313497] ? do_syscall_64+0x21/0x620 [ 39.317713] do_syscall_64+0xf9/0x620 [ 39.321498] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 39.326663] RIP: 0033:0x7fecc1dd25a9 [ 39.330355] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 71 15 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 b8 ff ff ff f7 d8 64 89 01 48 [ 39.349235] RSP: 002b:00007fecc1d7e2f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000128 [ 39.356919] RAX: ffffffffffffffda RBX: 00007fecc1e767a0 RCX: 00007fecc1dd25a9 [ 39.364192] RDX: 0000000000000001 RSI: 00000000200002c0 RDI: 0000000000000004 [ 39.371472] RBP: 00007fecc1e42f30 R08: 0000000000001d00 R09: 0000000000000000 [ 39.378719] R10: 000000000000ffff R11: 0000000000000246 R12: 0030656c69662f2e [ 39.385969] R13: 0031656c69662f2e R14: 65732f636f72702f R15: 00007fecc1e767a8 [ 39.393221] Modules linked in: [ 39.396846] ---[ end trace 85bfa8564ae270a1 ]--- [ 39.401902] RIP: 0010:ntfs_perform_write.isra.0+0x194a/0x8570 [ 39.407842] Code: 13 00 00 01 bf 00 10 00 00 44 89 fe e8 af 92 1b ff 41 81 ff 00 10 00 00 0f 86 a7 fe ff ff e8 2d 91 1b ff 0f 0b e8 26 91 1b ff <0f> 0b e8 1f 91 1b ff 48 8b 54 24 08 48 b8 00 00 00 00 00 fc ff df [ 39.426832] RSP: 0018:ffff88809b4276a0 EFLAGS: 00010293 [ 39.433558] RAX: ffff888091d800c0 RBX: 0000000000000000 RCX: ffffffff8246de6a [ 39.440866] RDX: 0000000000000000 RSI: ffffffff8246f44a RDI: 0000000000000005 [ 39.448133] RBP: ffff88809b4279a0 R08: 0000000000000001 R09: 0000000000000000 [ 39.455430] R10: 0000000000000005 R11: 0000000000000000 R12: dffffc0000000000 [ 39.462748] R13: 0000000000000000 R14: ffffea000229f740 R15: 0000000000000004 [ 39.470046] FS: 00007fecc1d7e700(0000) GS:ffff8880ba100000(0000) knlGS:0000000000000000 [ 39.478273] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 39.484211] CR2: 0000000020001001 CR3: 000000009ae79000 CR4: 00000000003406e0 [ 39.491520] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 39.498775] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 39.506092] Kernel panic - not syncing: Fatal exception [ 39.511632] Kernel Offset: disabled [ 39.515245] Rebooting in 86400 seconds..