./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor3836068360 <...> Warning: Permanently added '10.128.10.17' (ECDSA) to the list of known hosts. execve("./syz-executor3836068360", ["./syz-executor3836068360"], 0x7ffebb5ca970 /* 10 vars */) = 0 brk(NULL) = 0x555555a49000 brk(0x555555a49c40) = 0x555555a49c40 arch_prctl(ARCH_SET_FS, 0x555555a49300) = 0 uname({sysname="Linux", nodename="syzkaller", ...}) = 0 readlink("/proc/self/exe", "/root/syz-executor3836068360", 4096) = 28 brk(0x555555a6ac40) = 0x555555a6ac40 brk(0x555555a6b000) = 0x555555a6b000 mprotect(0x7ff0a8924000, 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 ftruncate(3, 135266304) = 0 pwrite64(3, NULL, 0, 101711871) = 0 pwrite64(3, NULL, 0, 64) = 0 pwrite64(3, NULL, 0, 9) = 0 pwrite64(3, NULL, 0, 1) = 0 pwrite64(3, NULL, 0, 0) = 0 pwrite64(3, NULL, 0, 255) = 0 pwrite64(3, NULL, 0, 2557) = 0 pwrite64(3, NULL, 0, 129) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 ioctl(4, LOOP_SET_FD, 3) = 0 mkdir("./file0", 0777) = 0 syzkaller login: [ 50.440642][ T3608] loop0: detected capacity change from 0 to 264192 [ 50.450774][ T3608] ntfs3: Unknown parameter 'iochvrset' [ 50.456421][ T3608] general protection fault, probably for non-canonical address 0xdffffc0000000003: 0000 [#1] PREEMPT SMP KASAN [ 50.468124][ T3608] KASAN: null-ptr-deref in range [0x0000000000000018-0x000000000000001f] [ 50.476516][ T3608] CPU: 1 PID: 3608 Comm: syz-executor383 Not tainted 5.19.0-syzkaller-02972-g200e340f2196 #0 [ 50.486744][ T3608] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 50.496800][ T3608] RIP: 0010:ntfs_update_mftmirr+0x51/0x6a0 [ 50.502641][ T3608] Code: 48 c1 e8 03 80 3c 18 00 74 08 4c 89 f7 e8 57 c6 17 ff 49 8b 06 48 89 44 24 18 48 8d 68 18 48 89 e8 48 c1 e8 03 48 89 44 24 40 <80> 3c 18 00 74 08 48 89 ef e8 31 c6 17 ff 48 89 6c 24 10 48 8b 45 [ 50.522262][ T3608] RSP: 0018:ffffc90002fefc70 EFLAGS: 00010206 [ 50.528348][ T3608] RAX: 0000000000000003 RBX: dffffc0000000000 RCX: ffff888027265880 [ 50.536322][ T3608] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff8880768ec000 [ 50.544278][ T3608] RBP: 0000000000000018 R08: dffffc0000000000 R09: ffff8880768ec290 [ 50.552263][ T3608] R10: ffffed100ed1d855 R11: 1ffff1100ed1d852 R12: ffff88807dbccc00 [ 50.560219][ T3608] R13: dffffc0000000000 R14: ffff8880768ec000 R15: dffffc0000000000 [ 50.568172][ T3608] FS: 0000555555a49300(0000) GS:ffff8880b9b00000(0000) knlGS:0000000000000000 [ 50.577081][ T3608] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 50.583648][ T3608] CR2: 00007ffd36392000 CR3: 0000000074655000 CR4: 00000000003506e0 [ 50.591606][ T3608] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 50.599571][ T3608] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 50.607531][ T3608] Call Trace: [ 50.610818][ T3608] [ 50.613734][ T3608] ? wnd_close+0x66/0xe0 [ 50.617975][ T3608] ? kfree+0x30/0x210 [ 50.621950][ T3608] ? memset+0x1f/0x40 [ 50.625950][ T3608] put_ntfs+0x1ed/0x2a0 [ 50.630094][ T3608] ntfs_fs_free+0x6a/0xe0 [ 50.634404][ T3608] ? ntfs_init_fs_context+0x4a0/0x4a0 [ 50.639770][ T3608] put_fs_context+0x119/0x7a0 [ 50.644431][ T3608] do_new_mount+0x2b4/0xad0 [ 50.648920][ T3608] ? ns_capable+0x81/0xe0 [ 50.653253][ T3608] ? do_move_mount_old+0x160/0x160 [ 50.658346][ T3608] ? user_path_at_empty+0x149/0x1a0 [ 50.663601][ T3608] __se_sys_mount+0x2e3/0x3d0 [ 50.668299][ T3608] ? __x64_sys_mount+0xc0/0xc0 [ 50.673051][ T3608] ? __x64_sys_mount+0x1c/0xc0 [ 50.677820][ T3608] do_syscall_64+0x2b/0x70 [ 50.682242][ T3608] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 50.688150][ T3608] RIP: 0033:0x7ff0a88b923a [ 50.692548][ T3608] 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 [ 50.712143][ T3608] RSP: 002b:00007ffd36391318 EFLAGS: 00000286 ORIG_RAX: 00000000000000a5 [ 50.720541][ T3608] RAX: ffffffffffffffda RBX: 00007ffd36391370 RCX: 00007ff0a88b923a [ 50.728501][ T3608] RDX: 0000000020001480 RSI: 00000000200014c0 RDI: 00007ffd36391330 [ 50.736458][ T3608] RBP: 00007ffd36391330 R08: 00007ffd36391370 R09: 0000000800000015 [ 50.744427][ T3608] R10: 0000000000000008 R11: 0000000000000286 R12: 0000000000000008 [ 50.752398][ T3608] R13: 0000000020002a00 R14: 0000000000000004 R15: 0000000000000003 [ 50.760368][ T3608] [ 50.763371][ T3608] Modules linked in: [ 50.768137][ T3608] ---[ end trace 0000000000000000 ]--- [ 50.773652][ T3608] RIP: 0010:ntfs_update_mftmirr+0x51/0x6a0 [ 50.779481][ T3608] Code: 48 c1 e8 03 80 3c 18 00 74 08 4c 89 f7 e8 57 c6 17 ff 49 8b 06 48 89 44 24 18 48 8d 68 18 48 89 e8 48 c1 e8 03 48 89 44 24 40 <80> 3c 18 00 74 08 48 89 ef e8 31 c6 17 ff 48 89 6c 24 10 48 8b 45 [ 50.799168][ T3608] RSP: 0018:ffffc90002fefc70 EFLAGS: 00010206 [ 50.805429][ T3608] RAX: 0000000000000003 RBX: dffffc0000000000 RCX: ffff888027265880 [ 50.813443][ T3608] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff8880768ec000 [ 50.821450][ T3608] RBP: 0000000000000018 R08: dffffc0000000000 R09: ffff8880768ec290 [ 50.829421][ T3608] R10: ffffed100ed1d855 R11: 1ffff1100ed1d852 R12: ffff88807dbccc00 [ 50.837431][ T3608] R13: dffffc0000000000 R14: ffff8880768ec000 R15: dffffc0000000000 [ 50.845423][ T3608] FS: 0000555555a49300(0000) GS:ffff8880b9a00000(0000) knlGS:0000000000000000 [ 50.854401][ T3608] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 50.861006][ T3608] CR2: 00000000005d84c8 CR3: 0000000074655000 CR4: 00000000003506f0 [ 50.868976][ T3608] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 50.877179][ T3608] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 50.885200][ T3608] Kernel panic - not syncing: Fatal exception [ 50.891413][ T3608] Kernel Offset: disabled [ 50.895729][ T3608] Rebooting in 86400 seconds..