./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor2078669410 <...> DUID 00:04:e3:a1:4c:5b:a4:47:39:93:9a:5d:f6:69:14:97:a9:57 forked to background, child pid 4669 [ 31.747537][ T4670] 8021q: adding VLAN 0 to HW filter on device bond0 [ 31.757915][ T4670] eql: remember to turn off Van-Jacobson compression on your slave devices Starting sshd: OK syzkaller syzkaller login: [ 40.627375][ T4848] sshd (4848) used greatest stack depth: 22704 bytes left Warning: Permanently added '10.128.1.20' (ECDSA) to the list of known hosts. execve("./syz-executor2078669410", ["./syz-executor2078669410"], 0x7ffd73f34510 /* 10 vars */) = 0 brk(NULL) = 0x555555d5b000 brk(0x555555d5bc40) = 0x555555d5bc40 arch_prctl(ARCH_SET_FS, 0x555555d5b300) = 0 uname({sysname="Linux", nodename="syzkaller", ...}) = 0 readlink("/proc/self/exe", "/root/syz-executor2078669410", 4096) = 28 brk(0x555555d7cc40) = 0x555555d7cc40 brk(0x555555d7d000) = 0x555555d7d000 mprotect(0x7fa91d6ee000, 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) = 0x7fa915215000 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\x80\x00\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(0x7fa915215000, 2097152) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 ioctl(4, LOOP_SET_FD, 3) = 0 close(3) = 0 mkdir("./file2aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777) = 0 [ 57.828028][ T5000] memfd_create() without MFD_EXEC nor MFD_NOEXEC_SEAL, pid=5000 'syz-executor207' [ 57.867195][ T5000] loop0: detected capacity change from 0 to 4096 [ 57.878842][ T5000] ================================================================================ [ 57.888309][ T5000] UBSAN: shift-out-of-bounds in fs/ntfs3/super.c:924:10 [ 57.895336][ T5000] shift exponent 128 is too large for 32-bit type 'unsigned int' [ 57.903062][ T5000] CPU: 0 PID: 5000 Comm: syz-executor207 Not tainted 6.4.0-rc2-next-20230515-syzkaller #0 [ 57.912945][ T5000] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/25/2023 [ 57.922994][ T5000] Call Trace: [ 57.926263][ T5000] [ 57.929202][ T5000] dump_stack_lvl+0x136/0x150 [ 57.933903][ T5000] __ubsan_handle_shift_out_of_bounds+0x221/0x5a0 [ 57.940328][ T5000] ntfs_fill_super.cold+0x155/0x43e [ 57.945551][ T5000] ? put_ntfs+0x330/0x330 [ 57.949875][ T5000] ? vsprintf+0x30/0x30 [ 57.954038][ T5000] ? wait_for_completion_io_timeout+0x20/0x20 [ 57.960135][ T5000] ? set_blocksize+0x2d8/0x370 [ 57.964930][ T5000] get_tree_bdev+0x44a/0x770 [ 57.969546][ T5000] ? put_ntfs+0x330/0x330 [ 57.973890][ T5000] vfs_get_tree+0x8d/0x350 [ 57.978323][ T5000] path_mount+0x134b/0x1e40 [ 57.982846][ T5000] ? kmem_cache_free+0xe9/0x480 [ 57.987706][ T5000] ? finish_automount+0x9b0/0x9b0 [ 57.992751][ T5000] ? putname+0x102/0x140 [ 57.997012][ T5000] __x64_sys_mount+0x283/0x300 [ 58.001794][ T5000] ? copy_mnt_ns+0xb30/0xb30 [ 58.006399][ T5000] ? lockdep_hardirqs_on+0x7d/0x100 [ 58.011612][ T5000] ? _raw_spin_unlock_irq+0x2e/0x50 [ 58.017518][ T5000] ? ptrace_notify+0xfe/0x140 [ 58.022213][ T5000] do_syscall_64+0x39/0xb0 [ 58.026649][ T5000] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 58.032560][ T5000] RIP: 0033:0x7fa91d662aea [ 58.036980][ T5000] 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 [ 58.056594][ T5000] RSP: 002b:00007fff2ff9cc58 EFLAGS: 00000286 ORIG_RAX: 00000000000000a5 [ 58.065015][ T5000] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007fa91d662aea [ 58.072989][ T5000] RDX: 000000002001f740 RSI: 0000000020000380 RDI: 00007fff2ff9cc60 [ 58.080962][ T5000] RBP: 00007fff2ff9cc60 R08: 00007fff2ff9cca0 R09: 000000000001f780 [ 58.088936][ T5000] R10: 0000000000000003 R11: 0000000000000286 R12: 0000000000000004 [ 58.096916][ T5000] R13: 0000555555d5b2c0 R14: 00007fff2ff9cca0 R15: 0000000000000000 [ 58.104906][ T5000] [ 58.108562][ T5000] ================================================================================ [ 58.117923][ T5000] Kernel panic - not syncing: UBSAN: panic_on_warn set ... [ 58.125118][ T5000] CPU: 0 PID: 5000 Comm: syz-executor207 Not tainted 6.4.0-rc2-next-20230515-syzkaller #0 [ 58.135014][ T5000] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/25/2023 [ 58.145068][ T5000] Call Trace: [ 58.148344][ T5000] [ 58.151273][ T5000] dump_stack_lvl+0xd9/0x150 [ 58.155884][ T5000] panic+0x686/0x730 [ 58.159795][ T5000] ? panic_smp_self_stop+0xa0/0xa0 [ 58.164925][ T5000] ? syslog_print_all+0x3a0/0x3a0 [ 58.169975][ T5000] check_panic_on_warn+0xb1/0xc0 [ 58.174929][ T5000] __ubsan_handle_shift_out_of_bounds+0x249/0x5a0 [ 58.181368][ T5000] ntfs_fill_super.cold+0x155/0x43e [ 58.186602][ T5000] ? put_ntfs+0x330/0x330 [ 58.190938][ T5000] ? vsprintf+0x30/0x30 [ 58.195104][ T5000] ? wait_for_completion_io_timeout+0x20/0x20 [ 58.201192][ T5000] ? set_blocksize+0x2d8/0x370 [ 58.205975][ T5000] get_tree_bdev+0x44a/0x770 [ 58.210619][ T5000] ? put_ntfs+0x330/0x330 [ 58.214974][ T5000] vfs_get_tree+0x8d/0x350 [ 58.219407][ T5000] path_mount+0x134b/0x1e40 [ 58.223930][ T5000] ? kmem_cache_free+0xe9/0x480 [ 58.228793][ T5000] ? finish_automount+0x9b0/0x9b0 [ 58.233833][ T5000] ? putname+0x102/0x140 [ 58.238180][ T5000] __x64_sys_mount+0x283/0x300 [ 58.242961][ T5000] ? copy_mnt_ns+0xb30/0xb30 [ 58.247562][ T5000] ? lockdep_hardirqs_on+0x7d/0x100 [ 58.252774][ T5000] ? _raw_spin_unlock_irq+0x2e/0x50 [ 58.257990][ T5000] ? ptrace_notify+0xfe/0x140 [ 58.262686][ T5000] do_syscall_64+0x39/0xb0 [ 58.267120][ T5000] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 58.273037][ T5000] RIP: 0033:0x7fa91d662aea [ 58.277457][ T5000] 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 [ 58.297072][ T5000] RSP: 002b:00007fff2ff9cc58 EFLAGS: 00000286 ORIG_RAX: 00000000000000a5 [ 58.305494][ T5000] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007fa91d662aea [ 58.313470][ T5000] RDX: 000000002001f740 RSI: 0000000020000380 RDI: 00007fff2ff9cc60 [ 58.321448][ T5000] RBP: 00007fff2ff9cc60 R08: 00007fff2ff9cca0 R09: 000000000001f780 [ 58.329425][ T5000] R10: 0000000000000003 R11: 0000000000000286 R12: 0000000000000004 [ 58.337401][ T5000] R13: 0000555555d5b2c0 R14: 00007fff2ff9cca0 R15: 0000000000000000 [ 58.345391][ T5000] [ 58.348562][ T5000] Kernel Offset: disabled [ 58.352961][ T5000] Rebooting in 86400 seconds..