./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor3241065450 <...> Warning: Permanently added '10.128.1.106' (ECDSA) to the list of known hosts. execve("./syz-executor3241065450", ["./syz-executor3241065450"], 0x7ffcbd881e00 /* 10 vars */) = 0 brk(NULL) = 0x555555a75000 brk(0x555555a75c40) = 0x555555a75c40 arch_prctl(ARCH_SET_FS, 0x555555a75300) = 0 uname({sysname="Linux", nodename="syzkaller", ...}) = 0 readlink("/proc/self/exe", "/root/syz-executor3241065450", 4096) = 28 brk(0x555555a96c40) = 0x555555a96c40 brk(0x555555a97000) = 0x555555a97000 mprotect(0x7f1a41bc3000, 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) = 0x7f1a396eb000 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(0x7f1a396eb000, 2097152) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 ioctl(4, LOOP_SET_FD, 3) = 0 close(3) = 0 mkdir("./file1", 0777) = 0 syzkaller login: [ 60.580270][ T4991] memfd_create() without MFD_EXEC nor MFD_NOEXEC_SEAL, pid=4991 'syz-executor324' [ 60.618305][ T4991] loop0: detected capacity change from 0 to 4096 [ 60.628400][ T4991] ntfs: (device loop0): parse_options(): Option utf8 is no longer supported, using option nls=utf8. Please use option nls=utf8 in the future and make sure utf8 is compiled either as a module or into the kernel. [ 60.651091][ T4991] ------------[ cut here ]------------ [ 60.656735][ T4991] kernel BUG at fs/ntfs/aops.c:186! [ 60.662002][ T4991] invalid opcode: 0000 [#1] PREEMPT SMP KASAN [ 60.668074][ T4991] CPU: 1 PID: 4991 Comm: syz-executor324 Not tainted 6.3.0-syzkaller-13390-g2e1e1337881b #0 [ 60.678128][ T4991] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/14/2023 [ 60.688193][ T4991] RIP: 0010:ntfs_read_folio+0x27d2/0x29f0 [ 60.694021][ T4991] Code: fa 48 83 7c 24 48 00 0f 84 eb 00 00 00 e8 66 db ca fe e9 11 02 00 00 e8 5c db ca fe 0f 0b e8 55 db ca fe 0f 0b e8 4e db ca fe <0f> 0b 48 8b 3c 24 be 08 00 00 00 e8 5e ab 22 ff 48 b8 00 00 00 00 [ 60.713728][ T4991] RSP: 0018:ffffc90003a1f5e0 EFLAGS: 00010293 [ 60.719833][ T4991] RAX: ffffffff82c08bf2 RBX: 0000000000000000 RCX: ffff888029469dc0 [ 60.727803][ T4991] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 [ 60.735868][ T4991] RBP: ffffc90003a1f7b0 R08: ffffffff82c07171 R09: ffffed100f06500b [ 60.744394][ T4991] R10: 0000000000000000 R11: dffffc0000000001 R12: ffffea0001d2f900 [ 60.752375][ T4991] R13: 1ffffd40003a5f20 R14: ffff888078328320 R15: ffff888078328088 [ 60.760340][ T4991] FS: 0000555555a75300(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000 [ 60.769275][ T4991] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 60.775847][ T4991] CR2: 00007f1a41b11610 CR3: 0000000073fc3000 CR4: 00000000003506e0 [ 60.783818][ T4991] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 60.791796][ T4991] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 60.799778][ T4991] Call Trace: [ 60.803155][ T4991] [ 60.806092][ T4991] ? __lock_acquire+0x2000/0x2000 [ 60.811119][ T4991] ? ntfs_writepage+0x1ae0/0x1ae0 [ 60.816230][ T4991] ? folio_batch_add_and_move+0x16a/0x2c0 [ 60.821940][ T4991] ? folio_add_lru+0x6f0/0x6f0 [ 60.826785][ T4991] ? folio_add_lru+0x353/0x6f0 [ 60.831557][ T4991] filemap_read_folio+0x19d/0x7a0 [ 60.836603][ T4991] ? filemap_add_folio+0x580/0x580 [ 60.841793][ T4991] ? ntfs_writepage+0x1ae0/0x1ae0 [ 60.846925][ T4991] ? maybe_unlock_mmap_for_io+0x140/0x140 [ 60.852638][ T4991] ? __filemap_get_folio+0x777/0xa00 [ 60.857922][ T4991] do_read_cache_folio+0x134/0x820 [ 60.863051][ T4991] ? ntfs_writepage+0x1ae0/0x1ae0 [ 60.868071][ T4991] do_read_cache_page+0x32/0x220 [ 60.873003][ T4991] map_mft_record+0x1cd/0x630 [ 60.877710][ T4991] ntfs_read_locked_inode+0x199/0x49c0 [ 60.883167][ T4991] ? __asan_memset+0x23/0x40 [ 60.887755][ T4991] ? ntfs_attr_reinit_search_ctx+0x4f/0x2e0 [ 60.893640][ T4991] ntfs_read_inode_mount+0xda6/0x2660 [ 60.899115][ T4991] ntfs_fill_super+0x1883/0x2bd0 [ 60.904099][ T4991] mount_bdev+0x274/0x3a0 [ 60.908432][ T4991] ? ntfs_mount+0x40/0x40 [ 60.912756][ T4991] legacy_get_tree+0xef/0x190 [ 60.917431][ T4991] ? ntfs_rl_punch_nolock+0x15b0/0x15b0 [ 60.923102][ T4991] vfs_get_tree+0x8c/0x270 [ 60.927511][ T4991] do_new_mount+0x28f/0xae0 [ 60.932181][ T4991] ? path_mount+0x5f2/0xf80 [ 60.936694][ T4991] ? do_move_mount_old+0x170/0x170 [ 60.941805][ T4991] ? user_path_at_empty+0x12f/0x180 [ 60.947001][ T4991] __se_sys_mount+0x2d9/0x3c0 [ 60.951699][ T4991] ? __x64_sys_mount+0xc0/0xc0 [ 60.956542][ T4991] ? syscall_enter_from_user_mode+0x32/0x230 [ 60.962603][ T4991] ? __x64_sys_mount+0x20/0xc0 [ 60.967403][ T4991] do_syscall_64+0x41/0xc0 [ 60.971823][ T4991] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 60.977825][ T4991] RIP: 0033:0x7f1a41b38faa [ 60.982241][ T4991] 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 [ 61.002026][ T4991] RSP: 002b:00007ffdb0607e58 EFLAGS: 00000286 ORIG_RAX: 00000000000000a5 [ 61.010431][ T4991] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f1a41b38faa [ 61.018391][ T4991] RDX: 0000000020000000 RSI: 000000002001ee80 RDI: 00007ffdb0607e70 [ 61.026484][ T4991] RBP: 00007ffdb0607e70 R08: 00007ffdb0607eb0 R09: 00007ffdb0607ec0 [ 61.034443][ T4991] R10: 0000000001800800 R11: 0000000000000286 R12: 0000000000000004 [ 61.043657][ T4991] R13: 0000555555a752c0 R14: 0000000001800800 R15: 00007ffdb0607eb0 [ 61.051641][ T4991] [ 61.054737][ T4991] Modules linked in: [ 61.058949][ T4991] ---[ end trace 0000000000000000 ]--- [ 61.064440][ T4991] RIP: 0010:ntfs_read_folio+0x27d2/0x29f0 [ 61.070415][ T4991] Code: fa 48 83 7c 24 48 00 0f 84 eb 00 00 00 e8 66 db ca fe e9 11 02 00 00 e8 5c db ca fe 0f 0b e8 55 db ca fe 0f 0b e8 4e db ca fe <0f> 0b 48 8b 3c 24 be 08 00 00 00 e8 5e ab 22 ff 48 b8 00 00 00 00 [ 61.090432][ T4991] RSP: 0018:ffffc90003a1f5e0 EFLAGS: 00010293 [ 61.096824][ T4991] RAX: ffffffff82c08bf2 RBX: 0000000000000000 RCX: ffff888029469dc0 [ 61.105006][ T4991] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 [ 61.113559][ T4991] RBP: ffffc90003a1f7b0 R08: ffffffff82c07171 R09: ffffed100f06500b [ 61.121559][ T4991] R10: 0000000000000000 R11: dffffc0000000001 R12: ffffea0001d2f900 [ 61.129921][ T4991] R13: 1ffffd40003a5f20 R14: ffff888078328320 R15: ffff888078328088 [ 61.137918][ T4991] FS: 0000555555a75300(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000 [ 61.146893][ T4991] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 61.153492][ T4991] CR2: 00007f1a41b11610 CR3: 0000000073fc3000 CR4: 00000000003506e0 [ 61.161494][ T4991] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 61.169503][ T4991] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 61.177496][ T4991] Kernel panic - not syncing: Fatal exception [ 61.183746][ T4991] Kernel Offset: disabled [ 61.188065][ T4991] Rebooting in 86400 seconds..