[ 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 '10.128.10.26' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 37.731518] ntfs: (device loop0): is_boot_sector_ntfs(): Invalid end of sector marker. [ 37.740362] ------------[ cut here ]------------ [ 37.745135] kernel BUG at fs/ntfs/malloc.h:45! [ 37.751361] invalid opcode: 0000 [#1] PREEMPT SMP KASAN [ 37.756745] CPU: 1 PID: 8113 Comm: syz-executor422 Not tainted 4.19.211-syzkaller #0 [ 37.764722] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/26/2022 [ 37.774088] RIP: 0010:ntfs_read_inode_mount+0x1bc3/0x22b0 [ 37.779652] Code: ba 63 01 00 00 00 00 00 80 48 23 15 f7 54 de 08 48 89 ef be 42 00 60 00 e8 7a 87 48 ff 48 89 c5 e9 d9 f4 ff ff e8 cd fd 19 ff <0f> 0b e8 c6 fd 19 ff e8 c1 fd 19 ff 48 c7 c2 80 6c 94 88 4c 89 fe [ 37.798542] RSP: 0018:ffff8880a8847a40 EFLAGS: 00010293 [ 37.803888] RAX: ffff8880956b4380 RBX: 0000000000000000 RCX: ffffffff82487c31 [ 37.811252] RDX: 0000000000000000 RSI: ffffffff824887a3 RDI: 0000000000000007 [ 37.818511] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 37.825758] R10: 0000000000000007 R11: 0000000000000001 R12: ffff8880b2d92678 [ 37.833007] R13: ffff8880b2d92680 R14: ffff88808dbeea08 R15: ffff88809505e500 [ 37.840278] FS: 0000555555c66300(0000) GS:ffff8880ba100000(0000) knlGS:0000000000000000 [ 37.848481] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 37.854339] CR2: 00007ffe8bd7e000 CR3: 00000000b4081000 CR4: 00000000003406e0 [ 37.861591] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 37.868859] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 37.876107] Call Trace: [ 37.878702] ntfs_fill_super+0xa16/0x7e10 [ 37.882925] ? pointer+0x850/0x850 [ 37.886451] ? lock_downgrade+0x720/0x720 [ 37.890679] ? ntfs_big_inode_init_once+0x20/0x20 [ 37.895499] ? vsprintf+0x30/0x30 [ 37.898931] ? wait_for_completion_io+0x10/0x10 [ 37.903682] ? set_blocksize+0x163/0x3f0 [ 37.907737] mount_bdev+0x2fc/0x3b0 [ 37.911358] ? ntfs_big_inode_init_once+0x20/0x20 [ 37.916184] mount_fs+0xa3/0x310 [ 37.919550] vfs_kern_mount.part.0+0x68/0x470 [ 37.924027] do_mount+0x115c/0x2f50 [ 37.927634] ? cmp_ex_sort+0xc0/0xc0 [ 37.931327] ? __do_page_fault+0x180/0xd60 [ 37.935539] ? copy_mount_string+0x40/0x40 [ 37.939770] ? copy_mount_options+0x1cd/0x380 [ 37.944257] ? memset+0x20/0x40 [ 37.947514] ? copy_mount_options+0x26f/0x380 [ 37.951987] ksys_mount+0xcf/0x130 [ 37.955515] __x64_sys_mount+0xba/0x150 [ 37.959489] ? lockdep_hardirqs_on+0x3a8/0x5c0 [ 37.964059] do_syscall_64+0xf9/0x620 [ 37.967999] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 37.973231] RIP: 0033:0x7feb7ac1a27a [ 37.976937] Code: 83 c4 08 5b 5d c3 66 2e 0f 1f 84 00 00 00 00 00 c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 c0 ff ff ff f7 d8 64 89 01 48 [ 37.995824] RSP: 002b:00007ffe8bd7d398 EFLAGS: 00000286 ORIG_RAX: 00000000000000a5 [ 38.003610] RAX: ffffffffffffffda RBX: 00007ffe8bd7d3f0 RCX: 00007feb7ac1a27a [ 38.010873] RDX: 0000000020000000 RSI: 0000000020000100 RDI: 00007ffe8bd7d3b0 [ 38.018127] RBP: 00007ffe8bd7d3b0 R08: 00007ffe8bd7d3f0 R09: 0000000000000000 [ 38.025373] R10: 0000000000000000 R11: 0000000000000286 R12: 0000000020000260 [ 38.032626] R13: 0000000000000003 R14: 0000000000000004 R15: 0000000000000004 [ 38.039886] Modules linked in: [ 38.045391] ---[ end trace 38c8edf50dba2b08 ]--- [ 38.050175] RIP: 0010:ntfs_read_inode_mount+0x1bc3/0x22b0 [ 38.055756] Code: ba 63 01 00 00 00 00 00 80 48 23 15 f7 54 de 08 48 89 ef be 42 00 60 00 e8 7a 87 48 ff 48 89 c5 e9 d9 f4 ff ff e8 cd fd 19 ff <0f> 0b e8 c6 fd 19 ff e8 c1 fd 19 ff 48 c7 c2 80 6c 94 88 4c 89 fe [ 38.075497] RSP: 0018:ffff8880a8847a40 EFLAGS: 00010293 [ 38.080861] RAX: ffff8880956b4380 RBX: 0000000000000000 RCX: ffffffff82487c31 [ 38.088204] RDX: 0000000000000000 RSI: ffffffff824887a3 RDI: 0000000000000007 [ 38.095533] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 38.102796] R10: 0000000000000007 R11: 0000000000000001 R12: ffff8880b2d92678 [ 38.110138] R13: ffff8880b2d92680 R14: ffff88808dbeea08 R15: ffff88809505e500 [ 38.117483] FS: 0000555555c66300(0000) GS:ffff8880ba000000(0000) knlGS:0000000000000000 [ 38.125746] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 38.131637] CR2: 000056141084c160 CR3: 00000000b4081000 CR4: 00000000003406f0 [ 38.139024] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 38.146367] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 38.153729] Kernel panic - not syncing: Fatal exception [ 38.159270] Kernel Offset: disabled [ 38.162884] Rebooting in 86400 seconds..