./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor320610884 <...> Warning: Permanently added '10.128.0.5' (ECDSA) to the list of known hosts. execve("./syz-executor320610884", ["./syz-executor320610884"], 0x7ffe8af65c40 /* 10 vars */) = 0 brk(NULL) = 0x55555752e000 brk(0x55555752ec40) = 0x55555752ec40 arch_prctl(ARCH_SET_FS, 0x55555752e300) = 0 uname({sysname="Linux", nodename="syzkaller", ...}) = 0 readlink("/proc/self/exe", "/root/syz-executor320610884", 4096) = 27 brk(0x55555754fc40) = 0x55555754fc40 brk(0x555557550000) = 0x555557550000 mprotect(0x7f023bb89000, 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) = 0x7f02336cf000 write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x10\x01\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\xff\xff\xff\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\xf3\x0f\x00\x00\xf7\x9a\x81\x47\x2b\x73\xcf\x43\x00\x0c\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 97703) = 97703 munmap(0x7f02336cf000, 97703) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 ioctl(4, LOOP_SET_FD, 3) = 0 close(3) = 0 mkdir("./file0", 0777) = 0 [ 62.180604][ T4993] memfd_create() without MFD_EXEC nor MFD_NOEXEC_SEAL, pid=4993 'syz-executor320' [ 62.197107][ T4993] loop0: detected capacity change from 0 to 190 [ 62.208737][ T4993] ntfs: (device loop0): is_boot_sector_ntfs(): Invalid boot sector checksum. [ 62.219174][ T4993] ntfs: (device loop0): map_mft_record_page(): Mft record 0x1 is corrupt. Run chkdsk. [ 62.228945][ T4993] ntfs: (device loop0): map_mft_record(): Failed with error code 5. [ 62.237006][ T4993] ntfs: (device loop0): ntfs_read_locked_inode(): Failed with error code -5. Marking corrupt inode 0x1 as bad. Run chkdsk. [ 62.250024][ T4993] ntfs: (device loop0): load_system_files(): Failed to load $MFTMirr. Mounting read-only. Run ntfsfix and/or chkdsk. [ 62.263121][ T4993] ------------[ cut here ]------------ [ 62.268588][ T4993] kernel BUG at fs/ntfs/malloc.h:31! [ 62.273956][ T4993] invalid opcode: 0000 [#1] PREEMPT SMP KASAN [ 62.280065][ T4993] CPU: 1 PID: 4993 Comm: syz-executor320 Not tainted 6.4.0-rc1-syzkaller-00025-gd295b66a7b66 #0 [ 62.290467][ T4993] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/14/2023 [ 62.300531][ T4993] RIP: 0010:ntfs_malloc_nofs+0xfd/0x100 [ 62.306133][ T4993] Code: 17 e8 d7 1e c7 fe 48 89 df be 42 0c 00 00 5b 41 5e 41 5f e9 a5 f2 10 ff e8 c0 1e c7 fe 31 c0 5b 41 5e 41 5f c3 e8 b3 1e c7 fe <0f> 0b 90 66 0f 1f 00 55 41 57 41 56 41 55 41 54 53 49 89 fe 49 bc [ 62.325739][ T4993] RSP: 0018:ffffc90003a3f818 EFLAGS: 00010293 [ 62.331805][ T4993] RAX: ffffffff82c4488d RBX: 0000000000000000 RCX: ffff88802476bb80 [ 62.339779][ T4993] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 [ 62.347753][ T4993] RBP: ffff888073a05118 R08: ffffffff82c447bd R09: ffffed100e9c5323 [ 62.355730][ T4993] R10: 0000000000000000 R11: dffffc0000000001 R12: dffffc0000000000 [ 62.363708][ T4993] R13: ffff888074e29be0 R14: ffff888073a05147 R15: dffffc0000000000 [ 62.371705][ T4993] FS: 000055555752e300(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000 [ 62.380640][ T4993] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 62.387226][ T4993] CR2: 00007f02336e6000 CR3: 000000007a170000 CR4: 00000000003506e0 [ 62.395211][ T4993] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 62.403187][ T4993] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 62.411164][ T4993] Call Trace: [ 62.414444][ T4993] [ 62.417375][ T4993] ntfs_read_locked_inode+0x1fd5/0x49c0 [ 62.422944][ T4993] ? ntfs_iget+0x190/0x190 [ 62.427373][ T4993] ntfs_iget+0x113/0x190 [ 62.431624][ T4993] ? ntfs_test_inode+0x2e0/0x2e0 [ 62.436574][ T4993] ? evict+0x56e/0x620 [ 62.440655][ T4993] load_system_files+0x151c/0x4840 [ 62.445783][ T4993] ? __mutex_unlock_slowpath+0x21c/0x750 [ 62.451429][ T4993] ? ntfs_setup_allocators+0x2d0/0x2d0 [ 62.456901][ T4993] ? mutex_unlock+0x10/0x10 [ 62.461587][ T4993] ? free_vm_area+0x50/0x50 [ 62.466115][ T4993] ? generate_default_upcase+0x8ed/0x940 [ 62.471763][ T4993] ntfs_fill_super+0x19b3/0x2bd0 [ 62.476728][ T4993] mount_bdev+0x274/0x3a0 [ 62.481074][ T4993] ? ntfs_mount+0x40/0x40 [ 62.485429][ T4993] legacy_get_tree+0xef/0x190 [ 62.490144][ T4993] ? ntfs_rl_punch_nolock+0x15b0/0x15b0 [ 62.495793][ T4993] vfs_get_tree+0x8c/0x270 [ 62.500219][ T4993] do_new_mount+0x28f/0xae0 [ 62.504731][ T4993] ? path_mount+0x5f2/0xf80 [ 62.509242][ T4993] ? do_move_mount_old+0x170/0x170 [ 62.514362][ T4993] ? user_path_at_empty+0x12f/0x180 [ 62.519565][ T4993] __se_sys_mount+0x2d9/0x3c0 [ 62.524253][ T4993] ? __x64_sys_mount+0xc0/0xc0 [ 62.529046][ T4993] ? syscall_enter_from_user_mode+0x32/0x230 [ 62.535047][ T4993] ? __x64_sys_mount+0x20/0xc0 [ 62.539828][ T4993] do_syscall_64+0x41/0xc0 [ 62.544268][ T4993] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 62.550175][ T4993] RIP: 0033:0x7f023bb1cafa [ 62.554598][ T4993] 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 [ 62.574207][ T4993] RSP: 002b:00007fffebbdb6c8 EFLAGS: 00000286 ORIG_RAX: 00000000000000a5 [ 62.582629][ T4993] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f023bb1cafa [ 62.590606][ T4993] RDX: 000000002001f1c0 RSI: 000000002001f200 RDI: 00007fffebbdb6e0 [ 62.598578][ T4993] RBP: 00007fffebbdb6e0 R08: 00007fffebbdb720 R09: 0000000000000987 [ 62.606556][ T4993] R10: 0000000000000000 R11: 0000000000000286 R12: 0000000000000004 [ 62.614526][ T4993] R13: 000055555752e2c0 R14: 0000000000000000 R15: 00007fffebbdb720 [ 62.622508][ T4993] [ 62.625533][ T4993] Modules linked in: [ 62.629747][ T4993] ---[ end trace 0000000000000000 ]--- [ 62.635364][ T4993] RIP: 0010:ntfs_malloc_nofs+0xfd/0x100 [ 62.640955][ T4993] Code: 17 e8 d7 1e c7 fe 48 89 df be 42 0c 00 00 5b 41 5e 41 5f e9 a5 f2 10 ff e8 c0 1e c7 fe 31 c0 5b 41 5e 41 5f c3 e8 b3 1e c7 fe <0f> 0b 90 66 0f 1f 00 55 41 57 41 56 41 55 41 54 53 49 89 fe 49 bc [ 62.660972][ T4993] RSP: 0018:ffffc90003a3f818 EFLAGS: 00010293 [ 62.667181][ T4993] RAX: ffffffff82c4488d RBX: 0000000000000000 RCX: ffff88802476bb80 [ 62.675200][ T4993] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 [ 62.683207][ T4993] RBP: ffff888073a05118 R08: ffffffff82c447bd R09: ffffed100e9c5323 [ 62.691197][ T4993] R10: 0000000000000000 R11: dffffc0000000001 R12: dffffc0000000000 [ 62.699220][ T4993] R13: ffff888074e29be0 R14: ffff888073a05147 R15: dffffc0000000000 [ 62.707248][ T4993] FS: 000055555752e300(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000 [ 62.716217][ T4993] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 62.722849][ T4993] CR2: 00007f02336e6000 CR3: 000000007a170000 CR4: 00000000003506e0 [ 62.730822][ T4993] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 62.738940][ T4993] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 62.747029][ T4993] Kernel panic - not syncing: Fatal exception [ 62.753343][ T4993] Kernel Offset: disabled [ 62.757675][ T4993] Rebooting in 86400 seconds..