./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor3719952780 <...> Warning: Permanently added '10.128.1.189' (ED25519) to the list of known hosts. execve("./syz-executor3719952780", ["./syz-executor3719952780"], 0x7fff41bb2a00 /* 10 vars */) = 0 brk(NULL) = 0x5555556fc000 brk(0x5555556fcd00) = 0x5555556fcd00 arch_prctl(ARCH_SET_FS, 0x5555556fc380) = 0 set_tid_address(0x5555556fc650) = 5040 set_robust_list(0x5555556fc660, 24) = 0 rseq(0x5555556fcca0, 0x20, 0, 0x53053053) = 0 prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0 readlink("/proc/self/exe", "/root/syz-executor3719952780", 4096) = 28 getrandom("\xb6\xcf\xb5\xd7\x4b\xbb\x38\xbe", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x5555556fcd00 brk(0x55555571dd00) = 0x55555571dd00 brk(0x55555571e000) = 0x55555571e000 mprotect(0x7f79efe37000, 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) = 0x7f79e7968000 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\x01\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\x81\xff\xff\xff\x01\x00\x00\x00\x78\x5f\xaa\x3b\xd7\x0e\xce\x68\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152) = 2097152 munmap(0x7f79e7968000, 2097152) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [ 88.282462][ T5040] syz-executor371[5040]: memfd_create() called without MFD_EXEC or MFD_NOEXEC_SEAL set ioctl(4, LOOP_SET_FD, 3) = 0 close(3) = 0 mkdir("./file0", 0777) = 0 [ 88.334773][ T5040] loop0: detected capacity change from 0 to 4096 [ 88.348689][ T5040] ================================================================================ [ 88.359193][ T5040] UBSAN: shift-out-of-bounds in fs/ntfs3/super.c:903:29 [ 88.366703][ T5040] shift exponent 127 is too large for 32-bit type 'int' [ 88.374168][ T5040] CPU: 1 PID: 5040 Comm: syz-executor371 Not tainted 6.6.0-rc4-syzkaller-00037-g3006adf3be79 #0 [ 88.384733][ T5040] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023 [ 88.395021][ T5040] Call Trace: [ 88.398325][ T5040] [ 88.401285][ T5040] dump_stack_lvl+0x1e7/0x2d0 [ 88.406025][ T5040] ? nf_tcp_handle_invalid+0x650/0x650 [ 88.411614][ T5040] ? panic+0x770/0x770 [ 88.415830][ T5040] __ubsan_handle_shift_out_of_bounds+0x3c3/0x420 [ 88.422301][ T5040] ntfs_fill_super+0x1b13/0x4c50 [ 88.427360][ T5040] ? ntfs3_put_sbi+0x1c0/0x1c0 [ 88.432171][ T5040] ? __down_write_common+0x161/0x200 [ 88.437495][ T5040] get_tree_bdev+0x416/0x5b0 [ 88.442211][ T5040] ? ntfs3_put_sbi+0x1c0/0x1c0 [ 88.447290][ T5040] ? setup_bdev_super+0x600/0x600 [ 88.452385][ T5040] ? cap_capable+0x1b4/0x240 [ 88.457273][ T5040] ? bpf_lsm_capable+0x9/0x10 [ 88.462081][ T5040] vfs_get_tree+0x8c/0x280 [ 88.466810][ T5040] do_new_mount+0x28f/0xae0 [ 88.471459][ T5040] ? do_move_mount_old+0x170/0x170 [ 88.477048][ T5040] ? user_path_at_empty+0x12f/0x180 [ 88.482280][ T5040] __se_sys_mount+0x2d9/0x3c0 [ 88.487049][ T5040] ? __x64_sys_mount+0xc0/0xc0 [ 88.491970][ T5040] ? syscall_enter_from_user_mode+0x32/0x230 [ 88.498308][ T5040] ? __x64_sys_mount+0x20/0xc0 [ 88.503124][ T5040] do_syscall_64+0x41/0xc0 [ 88.507581][ T5040] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 88.513658][ T5040] RIP: 0033:0x7f79efda6d4a [ 88.518269][ T5040] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 5e 04 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 88.538955][ T5040] RSP: 002b:00007ffd915a9bf8 EFLAGS: 00000286 ORIG_RAX: 00000000000000a5 [ 88.547710][ T5040] RAX: ffffffffffffffda RBX: 00007ffd915a9c10 RCX: 00007f79efda6d4a [ 88.555971][ T5040] RDX: 0000000020000040 RSI: 0000000020000000 RDI: 00007ffd915a9c10 [ 88.565422][ T5040] RBP: 0000000000000004 R08: 00007ffd915a9c50 R09: 000000000001f233 [ 88.573530][ T5040] R10: 0000000000000800 R11: 0000000000000286 R12: 0000000000000800 [ 88.581531][ T5040] R13: 00007ffd915a9c50 R14: 0000000000000003 R15: 0000000000200000 [ 88.589712][ T5040] [ 88.593030][ T5040] ================================================================================ [ 88.602819][ T5040] Kernel panic - not syncing: UBSAN: panic_on_warn set ... [ 88.610139][ T5040] CPU: 1 PID: 5040 Comm: syz-executor371 Not tainted 6.6.0-rc4-syzkaller-00037-g3006adf3be79 #0 [ 88.621306][ T5040] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023 [ 88.631752][ T5040] Call Trace: [ 88.635166][ T5040] [ 88.639034][ T5040] dump_stack_lvl+0x1e7/0x2d0 [ 88.644790][ T5040] ? nf_tcp_handle_invalid+0x650/0x650 [ 88.650417][ T5040] ? panic+0x770/0x770 [ 88.654604][ T5040] ? vscnprintf+0x5d/0x80 [ 88.659248][ T5040] panic+0x30f/0x770 [ 88.663261][ T5040] ? check_panic_on_warn+0x21/0xa0 [ 88.669557][ T5040] ? __memcpy_flushcache+0x2b0/0x2b0 [ 88.675890][ T5040] ? dump_stack_lvl+0x253/0x2d0 [ 88.681809][ T5040] check_panic_on_warn+0x82/0xa0 [ 88.688313][ T5040] __ubsan_handle_shift_out_of_bounds+0x3e2/0x420 [ 88.696031][ T5040] ntfs_fill_super+0x1b13/0x4c50 [ 88.703021][ T5040] ? ntfs3_put_sbi+0x1c0/0x1c0 [ 88.709160][ T5040] ? __down_write_common+0x161/0x200 [ 88.715317][ T5040] get_tree_bdev+0x416/0x5b0 [ 88.720840][ T5040] ? ntfs3_put_sbi+0x1c0/0x1c0 [ 88.726069][ T5040] ? setup_bdev_super+0x600/0x600 [ 88.731203][ T5040] ? cap_capable+0x1b4/0x240 [ 88.735826][ T5040] ? bpf_lsm_capable+0x9/0x10 [ 88.740529][ T5040] vfs_get_tree+0x8c/0x280 [ 88.745056][ T5040] do_new_mount+0x28f/0xae0 [ 88.749841][ T5040] ? do_move_mount_old+0x170/0x170 [ 88.756216][ T5040] ? user_path_at_empty+0x12f/0x180 [ 88.767404][ T5040] __se_sys_mount+0x2d9/0x3c0 [ 88.772638][ T5040] ? __x64_sys_mount+0xc0/0xc0 [ 88.779060][ T5040] ? syscall_enter_from_user_mode+0x32/0x230 [ 88.787904][ T5040] ? __x64_sys_mount+0x20/0xc0 [ 88.793389][ T5040] do_syscall_64+0x41/0xc0 [ 88.797836][ T5040] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 88.803892][ T5040] RIP: 0033:0x7f79efda6d4a [ 88.808894][ T5040] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 5e 04 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 88.829022][ T5040] RSP: 002b:00007ffd915a9bf8 EFLAGS: 00000286 ORIG_RAX: 00000000000000a5 [ 88.840965][ T5040] RAX: ffffffffffffffda RBX: 00007ffd915a9c10 RCX: 00007f79efda6d4a [ 88.849436][ T5040] RDX: 0000000020000040 RSI: 0000000020000000 RDI: 00007ffd915a9c10 [ 88.857453][ T5040] RBP: 0000000000000004 R08: 00007ffd915a9c50 R09: 000000000001f233 [ 88.865548][ T5040] R10: 0000000000000800 R11: 0000000000000286 R12: 0000000000000800 [ 88.873542][ T5040] R13: 00007ffd915a9c50 R14: 0000000000000003 R15: 0000000000200000 [ 88.881571][ T5040] [ 88.885031][ T5040] Kernel Offset: disabled [ 88.891788][ T5040] Rebooting in 86400 seconds..