./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor1459368486 <...> Warning: Permanently added '10.128.0.225' (ECDSA) to the list of known hosts. execve("./syz-executor1459368486", ["./syz-executor1459368486"], 0x7ffe8fb08940 /* 10 vars */) = 0 brk(NULL) = 0x555555965000 brk(0x555555965c40) = 0x555555965c40 arch_prctl(ARCH_SET_FS, 0x555555965300) = 0 uname({sysname="Linux", nodename="syzkaller", ...}) = 0 readlink("/proc/self/exe", "/root/syz-executor1459368486", 4096) = 28 brk(0x555555986c40) = 0x555555986c40 brk(0x555555987000) = 0x555555987000 mprotect(0x7f87e7c56000, 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) = 0x7f87df77d000 write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x02\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\x0f\x00\x00\x00\x00\x00\x00\x10\x00\x00\x00\x00\x00\x00\x00\xff\x03\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\xc8\x0f\x00\x00\x8f\x24\x2d\x5f\x49\x6d\x50\x0b\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152) = 2097152 munmap(0x7f87df77d000, 2097152) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 ioctl(4, LOOP_SET_FD, 3) = 0 close(3) = 0 mkdir("./bus", 0777) = 0 [ 62.149415][ T4998] memfd_create() without MFD_EXEC nor MFD_NOEXEC_SEAL, pid=4998 'syz-executor145' [ 62.179565][ T4998] loop0: detected capacity change from 0 to 4096 [ 62.191310][ T4998] ================================================================================ [ 62.200768][ T4998] UBSAN: shift-out-of-bounds in fs/ntfs3/super.c:799:9 [ 62.208045][ T4998] shift exponent 56 is too large for 32-bit type 'unsigned int' [ 62.215776][ T4998] CPU: 1 PID: 4998 Comm: syz-executor145 Not tainted 6.4.0-rc6-syzkaller-00242-g1639fae5132b #0 [ 62.226189][ T4998] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/27/2023 [ 62.236240][ T4998] Call Trace: [ 62.239553][ T4998] [ 62.242567][ T4998] dump_stack_lvl+0x136/0x150 [ 62.247786][ T4998] __ubsan_handle_shift_out_of_bounds+0x221/0x5a0 [ 62.254236][ T4998] ntfs_fill_super.cold+0x1b9/0x3da [ 62.259535][ T4998] ? put_ntfs+0x330/0x330 [ 62.263866][ T4998] ? vsprintf+0x30/0x30 [ 62.268043][ T4998] ? wait_for_completion_io_timeout+0x20/0x20 [ 62.274122][ T4998] ? set_blocksize+0x2d8/0x370 [ 62.278889][ T4998] get_tree_bdev+0x44a/0x770 [ 62.283474][ T4998] ? put_ntfs+0x330/0x330 [ 62.287802][ T4998] vfs_get_tree+0x8d/0x350 [ 62.292212][ T4998] path_mount+0x134b/0x1e40 [ 62.296705][ T4998] ? kmem_cache_free+0xe9/0x480 [ 62.302001][ T4998] ? finish_automount+0x9b0/0x9b0 [ 62.307031][ T4998] ? putname+0x102/0x140 [ 62.311259][ T4998] __x64_sys_mount+0x283/0x300 [ 62.316036][ T4998] ? copy_mnt_ns+0xb30/0xb30 [ 62.320625][ T4998] ? lockdep_hardirqs_on+0x7d/0x100 [ 62.325811][ T4998] ? _raw_spin_unlock_irq+0x2e/0x50 [ 62.331011][ T4998] ? ptrace_notify+0xfe/0x140 [ 62.335714][ T4998] do_syscall_64+0x39/0xb0 [ 62.340221][ T4998] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 62.346222][ T4998] RIP: 0033:0x7f87e7bcaafa [ 62.350631][ T4998] 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 [ 62.370325][ T4998] RSP: 002b:00007fff68ff4aa8 EFLAGS: 00000286 ORIG_RAX: 00000000000000a5 [ 62.378906][ T4998] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f87e7bcaafa [ 62.386874][ T4998] RDX: 000000002001f740 RSI: 0000000020000180 RDI: 00007fff68ff4ac0 [ 62.394841][ T4998] RBP: 00007fff68ff4ac0 R08: 00007fff68ff4b00 R09: 000000000001f76a [ 62.402803][ T4998] R10: 0000000000004010 R11: 0000000000000286 R12: 0000000000000004 [ 62.410850][ T4998] R13: 00005555559652c0 R14: 0000000000004010 R15: 00007fff68ff4b00 [ 62.418818][ T4998] [ 62.422150][ T4998] ================================================================================ [ 62.431573][ T4998] Kernel panic - not syncing: UBSAN: panic_on_warn set ... [ 62.438776][ T4998] CPU: 1 PID: 4998 Comm: syz-executor145 Not tainted 6.4.0-rc6-syzkaller-00242-g1639fae5132b #0 [ 62.449189][ T4998] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/27/2023 [ 62.459263][ T4998] Call Trace: [ 62.462531][ T4998] [ 62.465458][ T4998] dump_stack_lvl+0xd9/0x150 [ 62.470047][ T4998] panic+0x686/0x730 [ 62.473941][ T4998] ? panic_smp_self_stop+0xa0/0xa0 [ 62.479052][ T4998] ? syslog_print_all+0x3a0/0x3a0 [ 62.484124][ T4998] check_panic_on_warn+0xb1/0xc0 [ 62.489155][ T4998] __ubsan_handle_shift_out_of_bounds+0x249/0x5a0 [ 62.495580][ T4998] ntfs_fill_super.cold+0x1b9/0x3da [ 62.500786][ T4998] ? put_ntfs+0x330/0x330 [ 62.505195][ T4998] ? vsprintf+0x30/0x30 [ 62.509357][ T4998] ? wait_for_completion_io_timeout+0x20/0x20 [ 62.515434][ T4998] ? set_blocksize+0x2d8/0x370 [ 62.520232][ T4998] get_tree_bdev+0x44a/0x770 [ 62.524818][ T4998] ? put_ntfs+0x330/0x330 [ 62.529304][ T4998] vfs_get_tree+0x8d/0x350 [ 62.533724][ T4998] path_mount+0x134b/0x1e40 [ 62.538221][ T4998] ? kmem_cache_free+0xe9/0x480 [ 62.543082][ T4998] ? finish_automount+0x9b0/0x9b0 [ 62.548107][ T4998] ? putname+0x102/0x140 [ 62.552343][ T4998] __x64_sys_mount+0x283/0x300 [ 62.557279][ T4998] ? copy_mnt_ns+0xb30/0xb30 [ 62.561947][ T4998] ? lockdep_hardirqs_on+0x7d/0x100 [ 62.567229][ T4998] ? _raw_spin_unlock_irq+0x2e/0x50 [ 62.572435][ T4998] ? ptrace_notify+0xfe/0x140 [ 62.577113][ T4998] do_syscall_64+0x39/0xb0 [ 62.581523][ T4998] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 62.587598][ T4998] RIP: 0033:0x7f87e7bcaafa [ 62.592003][ T4998] 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 [ 62.611607][ T4998] RSP: 002b:00007fff68ff4aa8 EFLAGS: 00000286 ORIG_RAX: 00000000000000a5 [ 62.620192][ T4998] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f87e7bcaafa [ 62.628245][ T4998] RDX: 000000002001f740 RSI: 0000000020000180 RDI: 00007fff68ff4ac0 [ 62.636213][ T4998] RBP: 00007fff68ff4ac0 R08: 00007fff68ff4b00 R09: 000000000001f76a [ 62.644187][ T4998] R10: 0000000000004010 R11: 0000000000000286 R12: 0000000000000004 [ 62.652288][ T4998] R13: 00005555559652c0 R14: 0000000000004010 R15: 00007fff68ff4b00 [ 62.660265][ T4998] [ 62.664130][ T4998] Kernel Offset: disabled [ 62.668635][ T4998] Rebooting in 86400 seconds..