Warning: Permanently added '10.128.1.18' (ECDSA) to the list of known hosts. 2023/06/28 08:54:20 fuzzer started 2023/06/28 08:54:21 connecting to host at 10.128.0.163:33519 2023/06/28 08:54:21 checking machine... 2023/06/28 08:54:21 checking revisions... 2023/06/28 08:54:21 testing simple program... syzkaller login: [ 56.159925][ T4994] cgroup: Unknown subsys name 'net' [ 56.266867][ T4994] cgroup: Unknown subsys name 'rlimit' [ 57.507854][ T4994] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k FS [ 57.520400][ T4985] memfd_create() without MFD_EXEC nor MFD_NOEXEC_SEAL, pid=4985 'syz-fuzzer' [ 57.614305][ T4996] ================================================================================ [ 57.623671][ T4996] UBSAN: array-index-out-of-bounds in kernel/pid.c:244:3 [ 57.630756][ T4996] index 1 is out of range for type 'struct upid[1]' [ 57.637385][ T4996] CPU: 1 PID: 4996 Comm: syz-executor.0 Not tainted 6.4.0-syzkaller-01761-g6aeadf7896bf #0 [ 57.647356][ T4996] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/27/2023 [ 57.657403][ T4996] Call Trace: [ 57.660676][ T4996] [ 57.663686][ T4996] dump_stack_lvl+0x1e7/0x2d0 [ 57.668390][ T4996] ? nf_tcp_handle_invalid+0x650/0x650 [ 57.673847][ T4996] ? panic+0x770/0x770 [ 57.677908][ T4996] ? lockdep_hardirqs_on_prepare+0x43c/0x7a0 [ 57.683885][ T4996] ? __lock_acquire+0x7f70/0x7f70 [ 57.688912][ T4996] ? _raw_spin_lock_irq+0xdf/0x120 [ 57.694029][ T4996] __ubsan_handle_out_of_bounds+0x11c/0x150 [ 57.700095][ T4996] ? lockdep_hardirqs_on+0x98/0x140 [ 57.705276][ T4996] alloc_pid+0x405/0xc40 [ 57.709505][ T4996] copy_process+0x1f2f/0x4350 [ 57.714164][ T4996] ? verify_lock_unused+0x140/0x140 [ 57.719458][ T4996] ? perf_event_namespaces+0x208/0xca0 [ 57.725000][ T4996] ? __pidfd_prepare+0x140/0x140 [ 57.729939][ T4996] kernel_clone+0x222/0x800 [ 57.734528][ T4996] ? create_io_thread+0x1d0/0x1d0 [ 57.739809][ T4996] ? do_raw_spin_lock+0x14d/0x3a0 [ 57.744837][ T4996] ? do_raw_spin_unlock+0x13b/0x8b0 [ 57.750045][ T4996] __x64_sys_clone+0x258/0x2a0 [ 57.754806][ T4996] ? __do_sys_vfork+0x120/0x120 [ 57.759672][ T4996] ? lockdep_hardirqs_on_prepare+0x43c/0x7a0 [ 57.765668][ T4996] ? syscall_enter_from_user_mode+0x32/0x230 [ 57.771652][ T4996] ? lockdep_hardirqs_on+0x98/0x140 [ 57.777013][ T4996] ? syscall_enter_from_user_mode+0x32/0x230 [ 57.782995][ T4996] do_syscall_64+0x41/0xc0 [ 57.787409][ T4996] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 57.793352][ T4996] RIP: 0033:0x7f30e5e89fab [ 57.797865][ T4996] Code: ed 0f 85 60 01 00 00 64 4c 8b 0c 25 10 00 00 00 45 31 c0 4d 8d 91 d0 02 00 00 31 d2 31 f6 bf 11 00 20 01 b8 38 00 00 00 0f 05 <48> 3d 00 f0 ff ff 0f 87 89 00 00 00 41 89 c5 85 c0 0f 85 90 00 00 [ 57.817831][ T4996] RSP: 002b:00007ffe72312890 EFLAGS: 00000246 ORIG_RAX: 0000000000000038 [ 57.826267][ T4996] RAX: ffffffffffffffda RBX: 00007ffe72312ee8 RCX: 00007f30e5e89fab [ 57.834247][ T4996] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000001200011 [ 57.842304][ T4996] RBP: 0000000000000000 R08: 0000000000000000 R09: 000055555643c400 [ 57.850268][ T4996] R10: 000055555643c6d0 R11: 0000000000000246 R12: 0000000000000000 [ 57.858328][ T4996] R13: 00007ffe72312980 R14: 00007f30e5fac9d8 R15: 000000000000000c [ 57.866566][ T4996] [ 57.869859][ T4996] ================================================================================ [ 57.879360][ T4996] Kernel panic - not syncing: UBSAN: panic_on_warn set ... [ 57.886660][ T4996] CPU: 0 PID: 4996 Comm: syz-executor.0 Not tainted 6.4.0-syzkaller-01761-g6aeadf7896bf #0 [ 57.897058][ T4996] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/27/2023 [ 57.907202][ T4996] Call Trace: [ 57.910491][ T4996] [ 57.913527][ T4996] dump_stack_lvl+0x1e7/0x2d0 [ 57.918283][ T4996] ? nf_tcp_handle_invalid+0x650/0x650 [ 57.923728][ T4996] ? panic+0x770/0x770 [ 57.927795][ T4996] ? vscnprintf+0x5d/0x80 [ 57.932123][ T4996] panic+0x30f/0x770 [ 57.936096][ T4996] ? check_panic_on_warn+0x21/0xa0 [ 57.941203][ T4996] ? __memcpy_flushcache+0x2b0/0x2b0 [ 57.946468][ T4996] ? dump_stack_lvl+0x253/0x2d0 [ 57.951501][ T4996] ? lockdep_hardirqs_on_prepare+0x43c/0x7a0 [ 57.957731][ T4996] ? __lock_acquire+0x7f70/0x7f70 [ 57.962832][ T4996] check_panic_on_warn+0x82/0xa0 [ 57.967766][ T4996] __ubsan_handle_out_of_bounds+0x13c/0x150 [ 57.973648][ T4996] ? lockdep_hardirqs_on+0x98/0x140 [ 57.978915][ T4996] alloc_pid+0x405/0xc40 [ 57.983144][ T4996] copy_process+0x1f2f/0x4350 [ 57.987822][ T4996] ? verify_lock_unused+0x140/0x140 [ 57.993024][ T4996] ? perf_event_namespaces+0x208/0xca0 [ 57.998480][ T4996] ? __pidfd_prepare+0x140/0x140 [ 58.003506][ T4996] kernel_clone+0x222/0x800 [ 58.008031][ T4996] ? create_io_thread+0x1d0/0x1d0 [ 58.013119][ T4996] ? do_raw_spin_lock+0x14d/0x3a0 [ 58.018142][ T4996] ? do_raw_spin_unlock+0x13b/0x8b0 [ 58.023345][ T4996] __x64_sys_clone+0x258/0x2a0 [ 58.028531][ T4996] ? __do_sys_vfork+0x120/0x120 [ 58.033467][ T4996] ? lockdep_hardirqs_on_prepare+0x43c/0x7a0 [ 58.039628][ T4996] ? syscall_enter_from_user_mode+0x32/0x230 [ 58.045606][ T4996] ? lockdep_hardirqs_on+0x98/0x140 [ 58.050796][ T4996] ? syscall_enter_from_user_mode+0x32/0x230 [ 58.056769][ T4996] do_syscall_64+0x41/0xc0 [ 58.061179][ T4996] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 58.067149][ T4996] RIP: 0033:0x7f30e5e89fab [ 58.071556][ T4996] Code: ed 0f 85 60 01 00 00 64 4c 8b 0c 25 10 00 00 00 45 31 c0 4d 8d 91 d0 02 00 00 31 d2 31 f6 bf 11 00 20 01 b8 38 00 00 00 0f 05 <48> 3d 00 f0 ff ff 0f 87 89 00 00 00 41 89 c5 85 c0 0f 85 90 00 00 [ 58.091264][ T4996] RSP: 002b:00007ffe72312890 EFLAGS: 00000246 ORIG_RAX: 0000000000000038 [ 58.099687][ T4996] RAX: ffffffffffffffda RBX: 00007ffe72312ee8 RCX: 00007f30e5e89fab [ 58.107921][ T4996] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000001200011 [ 58.116059][ T4996] RBP: 0000000000000000 R08: 0000000000000000 R09: 000055555643c400 [ 58.124113][ T4996] R10: 000055555643c6d0 R11: 0000000000000246 R12: 0000000000000000 [ 58.132101][ T4996] R13: 00007ffe72312980 R14: 00007f30e5fac9d8 R15: 000000000000000c [ 58.140091][ T4996] [ 58.143451][ T4996] Kernel Offset: disabled [ 58.148029][ T4996] Rebooting in 86400 seconds..