./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor1334617374 <...> DUID 00:04:dd:0f:a4:e5:cb:b8:04:95:2f:30:92:03:b3:b6:0d:bc forked to background, child pid 4646 [ 30.705777][ T4647] 8021q: adding VLAN 0 to HW filter on device bond0 [ 30.715255][ T4647] eql: remember to turn off Van-Jacobson compression on your slave devices Starting sshd: OK syzkaller Warning: Permanently added '10.128.0.89' (ECDSA) to the list of known hosts. execve("./syz-executor1334617374", ["./syz-executor1334617374"], 0x7ffe75458080 /* 10 vars */) = 0 brk(NULL) = 0x555555c7b000 brk(0x555555c7bc40) = 0x555555c7bc40 arch_prctl(ARCH_SET_FS, 0x555555c7b300) = 0 uname({sysname="Linux", nodename="syzkaller", ...}) = 0 readlink("/proc/self/exe", "/root/syz-executor1334617374", 4096) = 28 brk(0x555555c9cc40) = 0x555555c9cc40 brk(0x555555c9d000) = 0x555555c9d000 mprotect(0x7f51b21b9000, 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) = 0x7f51a9ce1000 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(0x7f51a9ce1000, 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: [ 52.594892][ T5067] loop0: detected capacity change from 0 to 4096 [ 52.607156][ T5067] ntfs: (device loop0): check_mft_mirror(): $MFT and $MFTMirr (record 3) do not match. Run ntfsfix or chkdsk. [ 52.619021][ T5067] ntfs: (device loop0): load_system_files(): $MFTMirr does not match $MFT. Mounting read-only. Run ntfsfix and/or chkdsk. [ 52.638026][ T5067] ntfs: volume version 3.1. mount("/dev/loop0", "./file0", "ntfs", 0, "case_sensitive=no,show_sys_files=no,show_sys_files=no,fmask=00000000000017777777777,errors=continue,"...) = 0 openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 chdir("./file0") = 0 ioctl(4, LOOP_CLR_FD) = 0 close(4) = 0 [ 52.644250][ T5067] ntfs: (device loop0): ntfs_lookup_inode_by_name(): Index entry out of bounds in directory inode 0x5. [ 52.655624][ T5067] ntfs: (device loop0): check_windows_hibernation_status(): Failed to find inode number for hiberfil.sys. [ 52.667381][ T5067] ntfs: (device loop0): load_system_files(): Failed to determine if Windows is hibernated. Will not be able to remount read-write. Run chkdsk. [ 52.686262][ T5067] ntfs: (device loop0): ntfs_lookup(): ntfs_lookup_ino_by_name() failed with error code 83886016. [ 52.697636][ T5067] BUG: unable to handle page fault for address: fffffbffff600008 [ 52.705354][ T5067] #PF: supervisor read access in kernel mode [ 52.711315][ T5067] #PF: error_code(0x0000) - not-present page [ 52.717289][ T5067] PGD 23ffe4067 P4D 23ffe4067 PUD 23ffe3067 PMD 0 [ 52.723782][ T5067] Oops: 0000 [#1] PREEMPT SMP KASAN [ 52.728957][ T5067] CPU: 0 PID: 5067 Comm: syz-executor133 Not tainted 6.2.0-rc1-syzkaller-00068-gbff687b3dad6 #0 [ 52.739345][ T5067] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022 [ 52.749378][ T5067] RIP: 0010:step_into+0x197/0x10f0 [ 52.754490][ T5067] Code: 38 00 49 89 c7 74 0a 48 8b 7c 24 38 e8 b2 60 ec ff 48 8b 9c 24 d8 00 00 00 48 89 d8 48 c1 e8 03 48 b9 00 00 00 00 00 fc ff df <8a> 04 08 84 c0 0f 85 4f 0c 00 00 8b 1b 89 de 81 e6 00 00 07 00 31 [ 52.774093][ T5067] RSP: 0018:ffffc90003b8f680 EFLAGS: 00010a02 [ 52.780139][ T5067] RAX: 1fffffffff600008 RBX: fffffffffb000040 RCX: dffffc0000000000 [ 52.788088][ T5067] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 [ 52.796037][ T5067] RBP: ffffc90003b8f7e0 R08: ffffffff81f52253 R09: ffffed100e6185a9 [ 52.803985][ T5067] R10: ffffed100e6185a9 R11: 1ffff1100e6185a8 R12: ffffc90003b8f750 [ 52.811938][ T5067] R13: ffffc90003b8fba0 R14: 0000000000000000 R15: 1ffff92000771eeb [ 52.819900][ T5067] FS: 0000555555c7b300(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000 [ 52.828817][ T5067] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 52.835392][ T5067] CR2: fffffbffff600008 CR3: 0000000071d1d000 CR4: 00000000003506f0 [ 52.843354][ T5067] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 52.851313][ T5067] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 52.859273][ T5067] Call Trace: [ 52.862537][ T5067] [ 52.865458][ T5067] ? __lock_acquire+0x1f60/0x1f60 [ 52.870477][ T5067] ? up_read+0x20/0x20 [ 52.874531][ T5067] ? set_root+0x3e0/0x3e0 [ 52.878846][ T5067] ? __down_read_common+0x156/0x2a0 [ 52.884036][ T5067] ? walk_component+0x188/0x410 [ 52.888877][ T5067] path_lookupat+0x17d/0x450 [ 52.893473][ T5067] do_o_path+0x84/0x240 [ 52.897618][ T5067] ? do_tmpfile+0x320/0x320 [ 52.902115][ T5067] path_openat+0x27cd/0x2dd0 [ 52.906694][ T5067] ? _raw_spin_unlock+0x40/0x40 [ 52.911551][ T5067] ? stack_trace_snprint+0xf0/0xf0 [ 52.916657][ T5067] ? __stack_depot_save+0x41c/0x4a0 [ 52.921845][ T5067] ? mark_lock+0x9a/0x350 [ 52.926166][ T5067] ? do_filp_open+0x4f0/0x4f0 [ 52.930837][ T5067] ? rcu_read_lock_sched_held+0x87/0x110 [ 52.936457][ T5067] ? __bpf_trace_rcu_stall_warning+0x10/0x10 [ 52.942430][ T5067] do_filp_open+0x264/0x4f0 [ 52.946927][ T5067] ? vfs_tmpfile+0x490/0x490 [ 52.951512][ T5067] ? do_raw_spin_unlock+0x134/0x8a0 [ 52.956708][ T5067] ? _raw_spin_unlock+0x24/0x40 [ 52.961548][ T5067] ? alloc_fd+0x5a7/0x640 [ 52.965875][ T5067] do_sys_openat2+0x124/0x4e0 [ 52.970539][ T5067] ? print_irqtrace_events+0x220/0x220 [ 52.975986][ T5067] ? ptrace_stop+0x74d/0x970 [ 52.980565][ T5067] ? do_sys_open+0x220/0x220 [ 52.985142][ T5067] ? lockdep_hardirqs_on+0x8d/0x130 [ 52.990325][ T5067] ? _raw_spin_unlock_irq+0x2a/0x40 [ 52.995513][ T5067] ? ptrace_notify+0x245/0x340 [ 53.000264][ T5067] __x64_sys_open+0x221/0x270 [ 53.004935][ T5067] ? do_sys_openat2+0x4e0/0x4e0 [ 53.009773][ T5067] ? syscall_enter_from_user_mode+0x2e/0x1d0 [ 53.015787][ T5067] ? syscall_enter_from_user_mode+0x86/0x1d0 [ 53.021756][ T5067] do_syscall_64+0x3d/0xb0 [ 53.026171][ T5067] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 53.032054][ T5067] RIP: 0033:0x7f51b212dc49 [ 53.036458][ T5067] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 14 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 c0 ff ff ff f7 d8 64 89 01 48 [ 53.056052][ T5067] RSP: 002b:00007ffe3c84b5d8 EFLAGS: 00000246 ORIG_RAX: 0000000000000002 [ 53.064453][ T5067] RAX: ffffffffffffffda RBX: 0030656c69662f2e RCX: 00007f51b212dc49 [ 53.072411][ T5067] RDX: 0000000000000000 RSI: 0000000001ee0000 RDI: 0000000020000340 [ 53.080366][ T5067] RBP: 00007f51b20ed250 R08: 00007ffe3c84b4b0 R09: 0000000000000000 [ 53.088322][ T5067] R10: 00007ffe3c84b4a0 R11: 0000000000000246 R12: 00007f51b20ed2e0 [ 53.096278][ T5067] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 53.104240][ T5067] [ 53.107245][ T5067] Modules linked in: [ 53.111123][ T5067] CR2: fffffbffff600008 [ 53.115261][ T5067] ---[ end trace 0000000000000000 ]--- [ 53.120740][ T5067] RIP: 0010:step_into+0x197/0x10f0 [ 53.125844][ T5067] Code: 38 00 49 89 c7 74 0a 48 8b 7c 24 38 e8 b2 60 ec ff 48 8b 9c 24 d8 00 00 00 48 89 d8 48 c1 e8 03 48 b9 00 00 00 00 00 fc ff df <8a> 04 08 84 c0 0f 85 4f 0c 00 00 8b 1b 89 de 81 e6 00 00 07 00 31 [ 53.145432][ T5067] RSP: 0018:ffffc90003b8f680 EFLAGS: 00010a02 [ 53.151485][ T5067] RAX: 1fffffffff600008 RBX: fffffffffb000040 RCX: dffffc0000000000 [ 53.159443][ T5067] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 [ 53.167400][ T5067] RBP: ffffc90003b8f7e0 R08: ffffffff81f52253 R09: ffffed100e6185a9 [ 53.175358][ T5067] R10: ffffed100e6185a9 R11: 1ffff1100e6185a8 R12: ffffc90003b8f750 [ 53.183314][ T5067] R13: ffffc90003b8fba0 R14: 0000000000000000 R15: 1ffff92000771eeb [ 53.191273][ T5067] FS: 0000555555c7b300(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000 [ 53.200186][ T5067] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 53.206754][ T5067] CR2: fffffbffff600008 CR3: 0000000071d1d000 CR4: 00000000003506f0 [ 53.214713][ T5067] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 53.222668][ T5067] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 53.230625][ T5067] Kernel panic - not syncing: Fatal exception [ 53.236818][ T5067] Kernel Offset: disabled [ 53.241132][ T5067] Rebooting in 86400 seconds..