./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor3787888579 <...> Warning: Permanently added '10.128.10.9' (ED25519) to the list of known hosts. execve("./syz-executor3787888579", ["./syz-executor3787888579"], 0x7fff4d532a80 /* 10 vars */) = 0 brk(NULL) = 0x555556300000 brk(0x555556300d00) = 0x555556300d00 arch_prctl(ARCH_SET_FS, 0x555556300380) = 0 set_tid_address(0x555556300650) = 5027 set_robust_list(0x555556300660, 24) = 0 rseq(0x555556300ca0, 0x20, 0, 0x53053053) = 0 prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0 readlink("/proc/self/exe", "/root/syz-executor3787888579", 4096) = 28 getrandom("\x8a\x1f\xd5\x5c\xd2\x17\xb8\x04", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x555556300d00 brk(0x555556321d00) = 0x555556321d00 brk(0x555556322000) = 0x555556322000 mprotect(0x7fb3cb80c000, 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) = 0x7fb3c333c000 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(0x7fb3c333c000, 2097152) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [ 60.134966][ T5027] syz-executor378[5027]: memfd_create() called without MFD_EXEC or MFD_NOEXEC_SEAL set ioctl(4, LOOP_SET_FD, 3) = 0 close(3) = 0 mkdir("./bus", 0777) = 0 [ 60.175768][ T5027] loop0: detected capacity change from 0 to 4096 [ 60.187884][ T5027] ================================================================================ [ 60.197462][ T5027] UBSAN: shift-out-of-bounds in fs/ntfs3/super.c:922:10 [ 60.204519][ T5027] shift exponent 56 is too large for 32-bit type 'unsigned int' [ 60.212310][ T5027] CPU: 1 PID: 5027 Comm: syz-executor378 Not tainted 6.6.0-rc2-syzkaller-00027-g5d2f53532ecc #0 [ 60.222747][ T5027] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/04/2023 [ 60.232883][ T5027] Call Trace: [ 60.236173][ T5027] [ 60.239567][ T5027] dump_stack_lvl+0x1e7/0x2d0 [ 60.244471][ T5027] ? nf_tcp_handle_invalid+0x650/0x650 [ 60.249954][ T5027] ? panic+0x770/0x770 [ 60.254042][ T5027] ? out_of_line_wait_on_bit+0x1d4/0x250 [ 60.259959][ T5027] ? bit_wait+0xc0/0xc0 [ 60.264231][ T5027] __ubsan_handle_shift_out_of_bounds+0x3c3/0x420 [ 60.270701][ T5027] ntfs_fill_super+0x1b7a/0x4c30 [ 60.275683][ T5027] ? ntfs3_put_sbi+0x1c0/0x1c0 [ 60.280535][ T5027] ? __down_write_common+0x161/0x200 [ 60.285851][ T5027] get_tree_bdev+0x416/0x5b0 [ 60.290455][ T5027] ? ntfs3_put_sbi+0x1c0/0x1c0 [ 60.295237][ T5027] ? setup_bdev_super+0x600/0x600 [ 60.300284][ T5027] ? cap_capable+0x1b4/0x240 [ 60.305118][ T5027] ? bpf_lsm_capable+0x9/0x10 [ 60.309894][ T5027] vfs_get_tree+0x8c/0x280 [ 60.314324][ T5027] do_new_mount+0x28f/0xae0 [ 60.318834][ T5027] ? do_move_mount_old+0x170/0x170 [ 60.323969][ T5027] ? user_path_at_empty+0x12f/0x180 [ 60.329190][ T5027] __se_sys_mount+0x2d9/0x3c0 [ 60.333969][ T5027] ? __x64_sys_mount+0xc0/0xc0 [ 60.338736][ T5027] ? syscall_enter_from_user_mode+0x32/0x230 [ 60.344806][ T5027] ? __x64_sys_mount+0x20/0xc0 [ 60.349573][ T5027] do_syscall_64+0x41/0xc0 [ 60.354275][ T5027] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 60.360207][ T5027] RIP: 0033:0x7fb3cb77a8ba [ 60.364686][ T5027] 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 [ 60.384326][ T5027] RSP: 002b:00007ffcce298ff8 EFLAGS: 00000286 ORIG_RAX: 00000000000000a5 [ 60.392747][ T5027] RAX: ffffffffffffffda RBX: 00007ffcce299010 RCX: 00007fb3cb77a8ba [ 60.400734][ T5027] RDX: 000000002001f740 RSI: 0000000020000180 RDI: 00007ffcce299010 [ 60.408839][ T5027] RBP: 0000000000000004 R08: 00007ffcce299050 R09: 000000000001f76a [ 60.417449][ T5027] R10: 0000000000004010 R11: 0000000000000286 R12: 0000000000004010 [ 60.425457][ T5027] R13: 00007ffcce299050 R14: 0000000000000003 R15: 0000000000200000 [ 60.433459][ T5027] [ 60.437075][ T5027] ================================================================================ [ 60.446565][ T5027] Kernel panic - not syncing: UBSAN: panic_on_warn set ... [ 60.453869][ T5027] CPU: 1 PID: 5027 Comm: syz-executor378 Not tainted 6.6.0-rc2-syzkaller-00027-g5d2f53532ecc #0 [ 60.464307][ T5027] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/04/2023 [ 60.474451][ T5027] Call Trace: [ 60.477751][ T5027] [ 60.480700][ T5027] dump_stack_lvl+0x1e7/0x2d0 [ 60.485379][ T5027] ? nf_tcp_handle_invalid+0x650/0x650 [ 60.490862][ T5027] ? panic+0x770/0x770 [ 60.495021][ T5027] ? vscnprintf+0x5d/0x80 [ 60.499457][ T5027] panic+0x30f/0x770 [ 60.503373][ T5027] ? check_panic_on_warn+0x21/0xa0 [ 60.508505][ T5027] ? __memcpy_flushcache+0x2b0/0x2b0 [ 60.513796][ T5027] ? dump_stack_lvl+0x253/0x2d0 [ 60.518664][ T5027] ? out_of_line_wait_on_bit+0x1d4/0x250 [ 60.524333][ T5027] check_panic_on_warn+0x82/0xa0 [ 60.529296][ T5027] __ubsan_handle_shift_out_of_bounds+0x3e2/0x420 [ 60.535721][ T5027] ntfs_fill_super+0x1b7a/0x4c30 [ 60.540769][ T5027] ? ntfs3_put_sbi+0x1c0/0x1c0 [ 60.545634][ T5027] ? __down_write_common+0x161/0x200 [ 60.550935][ T5027] get_tree_bdev+0x416/0x5b0 [ 60.555532][ T5027] ? ntfs3_put_sbi+0x1c0/0x1c0 [ 60.560317][ T5027] ? setup_bdev_super+0x600/0x600 [ 60.565388][ T5027] ? cap_capable+0x1b4/0x240 [ 60.570073][ T5027] ? bpf_lsm_capable+0x9/0x10 [ 60.574825][ T5027] vfs_get_tree+0x8c/0x280 [ 60.579299][ T5027] do_new_mount+0x28f/0xae0 [ 60.583816][ T5027] ? do_move_mount_old+0x170/0x170 [ 60.589039][ T5027] ? user_path_at_empty+0x12f/0x180 [ 60.594277][ T5027] __se_sys_mount+0x2d9/0x3c0 [ 60.598976][ T5027] ? __x64_sys_mount+0xc0/0xc0 [ 60.603749][ T5027] ? syscall_enter_from_user_mode+0x32/0x230 [ 60.609741][ T5027] ? __x64_sys_mount+0x20/0xc0 [ 60.614527][ T5027] do_syscall_64+0x41/0xc0 [ 60.618969][ T5027] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 60.624989][ T5027] RIP: 0033:0x7fb3cb77a8ba [ 60.629413][ T5027] 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 [ 60.649054][ T5027] RSP: 002b:00007ffcce298ff8 EFLAGS: 00000286 ORIG_RAX: 00000000000000a5 [ 60.657472][ T5027] RAX: ffffffffffffffda RBX: 00007ffcce299010 RCX: 00007fb3cb77a8ba [ 60.665462][ T5027] RDX: 000000002001f740 RSI: 0000000020000180 RDI: 00007ffcce299010 [ 60.673471][ T5027] RBP: 0000000000000004 R08: 00007ffcce299050 R09: 000000000001f76a [ 60.681654][ T5027] R10: 0000000000004010 R11: 0000000000000286 R12: 0000000000004010 [ 60.689655][ T5027] R13: 00007ffcce299050 R14: 0000000000000003 R15: 0000000000200000 [ 60.697751][ T5027] [ 60.701291][ T5027] Kernel Offset: disabled [ 60.705779][ T5027] Rebooting in 86400 seconds..