./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor2041514375 <...> Warning: Permanently added '10.128.1.174' (ECDSA) to the list of known hosts. execve("./syz-executor2041514375", ["./syz-executor2041514375"], 0x7ffd8e1e7270 /* 10 vars */) = 0 brk(NULL) = 0x555555da5000 brk(0x555555da5c40) = 0x555555da5c40 arch_prctl(ARCH_SET_FS, 0x555555da5300) = 0 uname({sysname="Linux", nodename="syzkaller", ...}) = 0 readlink("/proc/self/exe", "/root/syz-executor2041514375", 4096) = 28 brk(0x555555dc6c40) = 0x555555dc6c40 brk(0x555555dc7000) = 0x555555dc7000 mprotect(0x7fabb5734000, 16384, PROT_READ) = 0 mmap(0x1ffff000, 4096, PROT_NONE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x1ffff000 mmap(0x20000000, 16777216, PROT_READ|PROT_WRITE|PROT_EXEC, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x20000000 mmap(0x21000000, 4096, PROT_NONE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x21000000 memfd_create("syzkaller", 0) = 3 mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fabad25c000 write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x04\x40\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x07\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00\x00\x00\x00\x0f\x00\x00\x00\x00\x00\x00\x00\xf6\x00\x00\x00\xf4\x00\x00\x00\xf7\x9a\x81\x47\x2b\x73\xcf\x43\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152) = 2097152 munmap(0x7fabad25c000, 2097152) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 ioctl(4, LOOP_SET_FD, 3) = 0 close(3) = 0 mkdir("./file0", 0777) = 0 [ 53.425774][ T5065] loop0: detected capacity change from 0 to 4096 [ 53.437414][ T5065] ------------[ cut here ]------------ [ 53.442995][ T5065] kernel BUG at fs/ntfs/aops.c:186! [ 53.448198][ T5065] invalid opcode: 0000 [#1] PREEMPT SMP KASAN [ 53.454243][ T5065] CPU: 1 PID: 5065 Comm: syz-executor204 Not tainted 6.1.0-syzkaller-13031-g77856d911a8c #0 [ 53.464279][ T5065] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022 [ 53.474310][ T5065] RIP: 0010:ntfs_read_block+0x20cb/0x22e0 [ 53.480026][ T5065] Code: e9 eb fc ff ff e8 e5 02 c9 fe e9 1a 02 00 00 48 83 7c 24 40 00 0f 84 bd 00 00 00 e8 cf 02 c9 fe e9 d5 01 00 00 e8 c5 02 c9 fe <0f> 0b 4c 89 ff be 08 00 00 00 e8 56 a0 1e ff 48 b8 00 00 00 00 00 [ 53.499617][ T5065] RSP: 0018:ffffc90003acf5c0 EFLAGS: 00010293 [ 53.505672][ T5065] RAX: ffffffff82c2d2fb RBX: 0000000000000000 RCX: ffff88801f42d7c0 [ 53.513629][ T5065] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 [ 53.521581][ T5065] RBP: ffffc90003acf7b0 R08: ffffffff82c2b3d8 R09: ffffed100e82300b [ 53.529537][ T5065] R10: ffffed100e82300b R11: 1ffff1100e82300a R12: dffffc0000000000 [ 53.537491][ T5065] R13: dffffc0000000000 R14: ffffea0001ccf380 R15: ffffea0001ccf380 [ 53.545448][ T5065] FS: 0000555555da5300(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000 [ 53.554359][ T5065] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 53.560926][ T5065] CR2: 00007fabb571f88c CR3: 000000007914e000 CR4: 00000000003506e0 [ 53.568884][ T5065] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 53.576839][ T5065] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 53.584793][ T5065] Call Trace: [ 53.588061][ T5065] [ 53.590981][ T5065] ? local_lock_release+0x96/0x170 [ 53.596086][ T5065] ? lock_release+0x81/0x820 [ 53.600665][ T5065] ? __lock_acquire+0x1f60/0x1f60 [ 53.605675][ T5065] ? compound_nr+0x1b0/0x1b0 [ 53.610249][ T5065] ? ntfs_read_folio+0xc23/0x1060 [ 53.615279][ T5065] ? folio_add_lru+0x480/0x960 [ 53.620042][ T5065] filemap_read_folio+0x187/0x7d0 [ 53.625057][ T5065] ? folio_alloc+0x47/0x50 [ 53.629463][ T5065] ? ntfs_writepage+0x1d10/0x1d10 [ 53.634486][ T5065] ? maybe_unlock_mmap_for_io+0x130/0x130 [ 53.640198][ T5065] ? mutex_lock_io_nested+0x60/0x60 [ 53.645403][ T5065] do_read_cache_folio+0x2d3/0x790 [ 53.650513][ T5065] ? ntfs_writepage+0x1d10/0x1d10 [ 53.655535][ T5065] read_cache_page+0x56/0x270 [ 53.660207][ T5065] map_mft_record+0x1dc/0x610 [ 53.664880][ T5065] ntfs_read_locked_inode+0x194/0x47c0 [ 53.670331][ T5065] ? ntfs_attr_reinit_search_ctx+0x2e0/0x2e0 [ 53.676291][ T5065] ? trace_kmem_cache_alloc+0x30/0xe0 [ 53.681650][ T5065] ? memset+0x1f/0x40 [ 53.685615][ T5065] ? ntfs_attr_reinit_search_ctx+0x4b/0x2e0 [ 53.691501][ T5065] ntfs_read_inode_mount+0xe77/0x27a0 [ 53.696871][ T5065] ntfs_fill_super+0x187a/0x2bf0 [ 53.701800][ T5065] mount_bdev+0x26c/0x3a0 [ 53.706121][ T5065] ? ntfs_mount+0x40/0x40 [ 53.710438][ T5065] legacy_get_tree+0xea/0x180 [ 53.715101][ T5065] ? ntfs_rl_punch_nolock+0x1160/0x1160 [ 53.720633][ T5065] vfs_get_tree+0x88/0x270 [ 53.725069][ T5065] do_new_mount+0x289/0xad0 [ 53.729560][ T5065] ? do_move_mount_old+0x150/0x150 [ 53.734654][ T5065] ? user_path_at_empty+0x149/0x1a0 [ 53.739840][ T5065] __se_sys_mount+0x2d3/0x3c0 [ 53.744500][ T5065] ? __x64_sys_mount+0xc0/0xc0 [ 53.749248][ T5065] ? syscall_enter_from_user_mode+0x2e/0x1d0 [ 53.755229][ T5065] ? __x64_sys_mount+0x1c/0xc0 [ 53.759977][ T5065] do_syscall_64+0x3d/0xb0 [ 53.764379][ T5065] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 53.770261][ T5065] RIP: 0033:0x7fabb56a9ada [ 53.774663][ T5065] 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 [ 53.794249][ T5065] RSP: 002b:00007ffe304a22c8 EFLAGS: 00000286 ORIG_RAX: 00000000000000a5 [ 53.802646][ T5065] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007fabb56a9ada [ 53.810604][ T5065] RDX: 000000002001f600 RSI: 000000002001f640 RDI: 00007ffe304a22e0 [ 53.818558][ T5065] RBP: 00007ffe304a22e0 R08: 00007ffe304a2320 R09: 000000000001f5cf [ 53.826516][ T5065] R10: 0000000000000000 R11: 0000000000000286 R12: 0000000000000004 [ 53.834471][ T5065] R13: 0000555555da52c0 R14: 0000000000000000 R15: 00007ffe304a2320 [ 53.842437][ T5065] [ 53.845439][ T5065] Modules linked in: [ 53.849561][ T5065] ---[ end trace 0000000000000000 ]--- [ 53.855044][ T5065] RIP: 0010:ntfs_read_block+0x20cb/0x22e0 [ 53.860861][ T5065] Code: e9 eb fc ff ff e8 e5 02 c9 fe e9 1a 02 00 00 48 83 7c 24 40 00 0f 84 bd 00 00 00 e8 cf 02 c9 fe e9 d5 01 00 00 e8 c5 02 c9 fe <0f> 0b 4c 89 ff be 08 00 00 00 e8 56 a0 1e ff 48 b8 00 00 00 00 00 [ 53.880572][ T5065] RSP: 0018:ffffc90003acf5c0 EFLAGS: 00010293 [ 53.886635][ T5065] RAX: ffffffff82c2d2fb RBX: 0000000000000000 RCX: ffff88801f42d7c0 [ 53.894742][ T5065] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 [ 53.902808][ T5065] RBP: ffffc90003acf7b0 R08: ffffffff82c2b3d8 R09: ffffed100e82300b [ 53.910834][ T5065] R10: ffffed100e82300b R11: 1ffff1100e82300a R12: dffffc0000000000 [ 53.918812][ T5065] R13: dffffc0000000000 R14: ffffea0001ccf380 R15: ffffea0001ccf380 [ 53.926807][ T5065] FS: 0000555555da5300(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000 [ 53.935765][ T5065] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 53.942375][ T5065] CR2: 00007fabb5680920 CR3: 000000007914e000 CR4: 00000000003506f0 [ 53.950363][ T5065] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 53.958316][ T5065] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 53.966441][ T5065] Kernel panic - not syncing: Fatal exception [ 53.972665][ T5065] Kernel Offset: disabled [ 53.976978][ T5065] Rebooting in 86400 seconds..