./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor2222304548 <...> DUID 00:04:d9:3a:76:1c:b4:63:be:bc:0b:c2:08:9c:83:36:98:31 forked to background, child pid 4660 [ 29.029367][ T4661] 8021q: adding VLAN 0 to HW filter on device bond0 [ 29.042241][ T4661] eql: remember to turn off Van-Jacobson compression on your slave devices Starting sshd: OK syzkaller Warning: Permanently added '10.128.1.97' (ECDSA) to the list of known hosts. execve("./syz-executor2222304548", ["./syz-executor2222304548"], 0x7fff99faf6f0 /* 10 vars */) = 0 brk(NULL) = 0x555556075000 brk(0x555556075c40) = 0x555556075c40 arch_prctl(ARCH_SET_FS, 0x555556075300) = 0 uname({sysname="Linux", nodename="syzkaller", ...}) = 0 readlink("/proc/self/exe", "/root/syz-executor2222304548", 4096) = 28 brk(0x555556096c40) = 0x555556096c40 brk(0x555556097000) = 0x555556097000 mprotect(0x7f3930d78000, 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) = 0x7f39288a0000 write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x08\x02\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\x03\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf5\x00\x00\x00\x01\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(0x7f39288a0000, 2097152) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 ioctl(4, LOOP_SET_FD, 3) = 0 close(3) = 0 mkdir("./file0", 0777) = 0 syzkaller login: [ 54.508494][ T4992] memfd_create() without MFD_EXEC nor MFD_NOEXEC_SEAL, pid=4992 'syz-executor222' [ 54.545959][ T4992] loop0: detected capacity change from 0 to 4096 [ 54.563695][ T4992] ntfs: volume version 3.1. [ 54.569414][ T4992] ------------[ cut here ]------------ [ 54.574865][ T4992] kernel BUG at fs/ntfs/dir.c:86! [ 54.580245][ T4992] invalid opcode: 0000 [#1] PREEMPT SMP KASAN [ 54.586295][ T4992] CPU: 0 PID: 4992 Comm: syz-executor222 Not tainted 6.4.0-rc4-syzkaller-00204-gc43a6ff9f93f #0 [ 54.596693][ T4992] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/25/2023 [ 54.606744][ T4992] RIP: 0010:ntfs_lookup_inode_by_name+0x2c92/0x2ca0 [ 54.613357][ T4992] Code: ff 89 d1 80 e1 07 38 c1 0f 8c 8a fa ff ff be 08 00 00 00 48 8b 3c 24 e8 7c 9e 20 ff 48 8b 14 24 e9 73 fa ff ff e8 1e c9 c8 fe <0f> 0b e8 17 c9 c8 fe 0f 0b 0f 1f 44 00 00 55 41 57 41 56 41 54 53 [ 54.632965][ T4992] RSP: 0018:ffffc900039cf7f0 EFLAGS: 00010293 [ 54.639024][ T4992] RAX: ffffffff82c2b612 RBX: 0000000000000000 RCX: ffff888026831dc0 [ 54.646977][ T4992] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000004000 [ 54.654936][ T4992] RBP: ffffc900039cf9d0 R08: ffffffff82c28a2b R09: ffffed100f15f8c2 [ 54.662907][ T4992] R10: 0000000000000000 R11: dffffc0000000001 R12: ffff888078afc200 [ 54.670881][ T4992] R13: ffff88807eaa6000 R14: dffffc0000000000 R15: ffff88807bc19000 [ 54.678844][ T4992] FS: 0000555556075300(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000 [ 54.687953][ T4992] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 54.694527][ T4992] CR2: 000055b03962aa18 CR3: 000000007e997000 CR4: 00000000003506f0 [ 54.702580][ T4992] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 54.710810][ T4992] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 54.718777][ T4992] Call Trace: [ 54.722047][ T4992] [ 54.724962][ T4992] ? __die_body+0x5e/0xa0 [ 54.729279][ T4992] ? die+0x87/0xb0 [ 54.732981][ T4992] ? do_trap+0x11e/0x350 [ 54.737209][ T4992] ? ntfs_lookup_inode_by_name+0x2c92/0x2ca0 [ 54.743177][ T4992] ? ntfs_lookup_inode_by_name+0x2c92/0x2ca0 [ 54.749136][ T4992] ? do_error_trap+0x141/0x1f0 [ 54.754055][ T4992] ? ntfs_lookup_inode_by_name+0x2c92/0x2ca0 [ 54.760020][ T4992] ? do_int3+0x30/0x30 [ 54.764075][ T4992] ? handle_invalid_op+0x2c/0x40 [ 54.768997][ T4992] ? ntfs_lookup_inode_by_name+0x2c92/0x2ca0 [ 54.774968][ T4992] ? exc_invalid_op+0x33/0x50 [ 54.779641][ T4992] ? asm_exc_invalid_op+0x1a/0x20 [ 54.784646][ T4992] ? ntfs_lookup_inode_by_name+0xab/0x2ca0 [ 54.790471][ T4992] ? ntfs_lookup_inode_by_name+0x2c92/0x2ca0 [ 54.796435][ T4992] ? ntfs_lookup_inode_by_name+0x2c92/0x2ca0 [ 54.802396][ T4992] ? read_lock_is_recursive+0x20/0x20 [ 54.807750][ T4992] ? __might_sleep+0xc0/0xc0 [ 54.812329][ T4992] ? __down_write_common+0x161/0x200 [ 54.817602][ T4992] ? inode_insert5+0x3f4/0x500 [ 54.822348][ T4992] ? clear_nonspinnable+0x60/0x60 [ 54.827352][ T4992] ? do_raw_spin_unlock+0x13b/0x8b0 [ 54.832536][ T4992] check_windows_hibernation_status+0xf0/0x4c0 [ 54.838674][ T4992] ? load_and_check_logfile+0xd0/0xd0 [ 54.844024][ T4992] ? load_system_files+0x3519/0x4840 [ 54.849378][ T4992] ? rcu_is_watching+0x15/0xb0 [ 54.854122][ T4992] load_system_files+0x35db/0x4840 [ 54.859220][ T4992] ? ntfs_setup_allocators+0x2d0/0x2d0 [ 54.864753][ T4992] ? free_vm_area+0x50/0x50 [ 54.869236][ T4992] ? generate_default_upcase+0x8ed/0x940 [ 54.874849][ T4992] ntfs_fill_super+0x19b3/0x2bd0 [ 54.879870][ T4992] mount_bdev+0x2d0/0x3f0 [ 54.884182][ T4992] ? ntfs_mount+0x40/0x40 [ 54.888496][ T4992] legacy_get_tree+0xef/0x190 [ 54.893161][ T4992] ? ntfs_rl_punch_nolock+0x15b0/0x15b0 [ 54.898692][ T4992] vfs_get_tree+0x8c/0x270 [ 54.903092][ T4992] do_new_mount+0x28f/0xae0 [ 54.907580][ T4992] ? path_mount+0x5f2/0xf80 [ 54.912064][ T4992] ? do_move_mount_old+0x170/0x170 [ 54.917157][ T4992] ? user_path_at_empty+0x12f/0x180 [ 54.922338][ T4992] __se_sys_mount+0x2d9/0x3c0 [ 54.927016][ T4992] ? __x64_sys_mount+0xc0/0xc0 [ 54.931789][ T4992] ? syscall_enter_from_user_mode+0x32/0x230 [ 54.937767][ T4992] ? __x64_sys_mount+0x20/0xc0 [ 54.942530][ T4992] do_syscall_64+0x41/0xc0 [ 54.946930][ T4992] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 54.952808][ T4992] RIP: 0033:0x7f3930cee00a [ 54.957294][ T4992] 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 [ 54.976885][ T4992] RSP: 002b:00007fffde5dbb58 EFLAGS: 00000286 ORIG_RAX: 00000000000000a5 [ 54.985279][ T4992] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f3930cee00a [ 54.993252][ T4992] RDX: 000000002001ee40 RSI: 0000000020000040 RDI: 00007fffde5dbb70 [ 55.001219][ T4992] RBP: 00007fffde5dbb70 R08: 00007fffde5dbbb0 R09: 00007fffde5dbbc0 [ 55.009203][ T4992] R10: 0000000000000000 R11: 0000000000000286 R12: 0000000000000004 [ 55.017170][ T4992] R13: 00005555560752c0 R14: 0000000000000000 R15: 00007fffde5dbbb0 [ 55.025133][ T4992] [ 55.028213][ T4992] Modules linked in: [ 55.032628][ T4992] ---[ end trace 0000000000000000 ]--- [ 55.038132][ T4992] RIP: 0010:ntfs_lookup_inode_by_name+0x2c92/0x2ca0 [ 55.044734][ T4992] Code: ff 89 d1 80 e1 07 38 c1 0f 8c 8a fa ff ff be 08 00 00 00 48 8b 3c 24 e8 7c 9e 20 ff 48 8b 14 24 e9 73 fa ff ff e8 1e c9 c8 fe <0f> 0b e8 17 c9 c8 fe 0f 0b 0f 1f 44 00 00 55 41 57 41 56 41 54 53 [ 55.064573][ T4992] RSP: 0018:ffffc900039cf7f0 EFLAGS: 00010293 [ 55.070727][ T4992] RAX: ffffffff82c2b612 RBX: 0000000000000000 RCX: ffff888026831dc0 [ 55.078746][ T4992] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000004000 [ 55.086773][ T4992] RBP: ffffc900039cf9d0 R08: ffffffff82c28a2b R09: ffffed100f15f8c2 [ 55.094740][ T4992] R10: 0000000000000000 R11: dffffc0000000001 R12: ffff888078afc200 [ 55.102740][ T4992] R13: ffff88807eaa6000 R14: dffffc0000000000 R15: ffff88807bc19000 [ 55.110737][ T4992] FS: 0000555556075300(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000 [ 55.119693][ T4992] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 55.126297][ T4992] CR2: 000055b03962aa18 CR3: 000000007e997000 CR4: 00000000003506f0 [ 55.134261][ T4992] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 55.142414][ T4992] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 55.150439][ T4992] Kernel panic - not syncing: Fatal exception [ 55.156702][ T4992] Kernel Offset: disabled [ 55.161017][ T4992] Rebooting in 86400 seconds..