DUID 00:04:1c:f6:43:da:97:78:4a:6f:c2:b0:62:9d:3c:23:ac:fa forked to background, child pid 4674 [ 35.432834][ T4675] 8021q: adding VLAN 0 to HW filter on device bond0 [ 35.450607][ T4675] eql: remember to turn off Van-Jacobson compression on your slave devices Starting sshd: OK syzkaller Warning: Permanently added '10.128.1.183' (ECDSA) to the list of known hosts. 2023/06/29 21:03:36 fuzzer started 2023/06/29 21:03:36 connecting to host at 10.128.0.169:32913 2023/06/29 21:03:36 checking machine... 2023/06/29 21:03:36 checking revisions... 2023/06/29 21:03:37 testing simple program... syzkaller login: [ 57.143441][ T5006] cgroup: Unknown subsys name 'net' [ 57.261724][ T5006] cgroup: Unknown subsys name 'rlimit' [ 58.635506][ T5006] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k FS [ 58.648214][ T5004] memfd_create() without MFD_EXEC nor MFD_NOEXEC_SEAL, pid=5004 'syz-fuzzer' [ 58.757243][ T5008] ================================================================================ [ 58.766820][ T5008] UBSAN: array-index-out-of-bounds in kernel/pid.c:244:15 [ 58.774014][ T5008] index 1 is out of range for type 'upid [1]' [ 58.780331][ T5008] CPU: 0 PID: 5008 Comm: syz-executor.0 Not tainted 6.4.0-syzkaller-04247-g3a8a670eeeaa #0 [ 58.790689][ T5008] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/27/2023 [ 58.800954][ T5008] Call Trace: [ 58.804276][ T5008] [ 58.807219][ T5008] dump_stack_lvl+0x136/0x150 [ 58.811984][ T5008] __ubsan_handle_out_of_bounds+0xd5/0x140 [ 58.817974][ T5008] ? schedule_timeout+0x241/0x2b0 [ 58.823039][ T5008] alloc_pid+0xbe5/0xdd0 [ 58.827320][ T5008] ? copy_namespaces+0x1e3/0x500 [ 58.832295][ T5008] copy_process+0x4589/0x7620 [ 58.837015][ T5008] ? pidfd_prepare+0x80/0x80 [ 58.841631][ T5008] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 58.847642][ T5008] kernel_clone+0xeb/0x890 [ 58.852168][ T5008] ? create_io_thread+0xe0/0xe0 [ 58.857207][ T5008] ? ksys_unshare+0x676/0x920 [ 58.862253][ T5008] ? lock_downgrade+0x690/0x690 [ 58.867121][ T5008] ? do_raw_spin_lock+0x124/0x2b0 [ 58.872270][ T5008] ? spin_bug+0x1c0/0x1c0 [ 58.876722][ T5008] __do_sys_clone+0xba/0x100 [ 58.881337][ T5008] ? kernel_clone+0x890/0x890 [ 58.886126][ T5008] ? syscall_enter_from_user_mode+0x26/0x80 [ 58.892132][ T5008] do_syscall_64+0x39/0xb0 [ 58.896654][ T5008] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 58.902871][ T5008] RIP: 0033:0x7fe99da89fab [ 58.907399][ T5008] 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 [ 58.927037][ T5008] RSP: 002b:00007fff3f569340 EFLAGS: 00000246 ORIG_RAX: 0000000000000038 [ 58.935469][ T5008] RAX: ffffffffffffffda RBX: 00007fff3f569998 RCX: 00007fe99da89fab [ 58.943556][ T5008] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000001200011 [ 58.951732][ T5008] RBP: 0000000000000000 R08: 0000000000000000 R09: 00005555565dc400 [ 58.959730][ T5008] R10: 00005555565dc6d0 R11: 0000000000000246 R12: 0000000000000000 [ 58.967725][ T5008] R13: 00007fff3f569430 R14: 00007fe99dbac9d8 R15: 000000000000000c [ 58.975983][ T5008] [ 58.979284][ T5008] ================================================================================ [ 58.988658][ T5008] Kernel panic - not syncing: UBSAN: panic_on_warn set ... [ 58.995960][ T5008] CPU: 0 PID: 5008 Comm: syz-executor.0 Not tainted 6.4.0-syzkaller-04247-g3a8a670eeeaa #0 [ 59.005926][ T5008] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/27/2023 [ 59.016333][ T5008] Call Trace: [ 59.019663][ T5008] [ 59.022595][ T5008] dump_stack_lvl+0xd9/0x150 [ 59.027216][ T5008] panic+0x686/0x730 [ 59.031230][ T5008] ? panic_smp_self_stop+0xa0/0xa0 [ 59.036631][ T5008] ? syslog_print_all+0x3a0/0x3a0 [ 59.041754][ T5008] check_panic_on_warn+0xb1/0xc0 [ 59.046789][ T5008] __ubsan_handle_out_of_bounds+0xfd/0x140 [ 59.052587][ T5008] ? schedule_timeout+0x241/0x2b0 [ 59.057695][ T5008] alloc_pid+0xbe5/0xdd0 [ 59.062103][ T5008] ? copy_namespaces+0x1e3/0x500 [ 59.067158][ T5008] copy_process+0x4589/0x7620 [ 59.072014][ T5008] ? pidfd_prepare+0x80/0x80 [ 59.077037][ T5008] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 59.083276][ T5008] kernel_clone+0xeb/0x890 [ 59.087683][ T5008] ? create_io_thread+0xe0/0xe0 [ 59.092690][ T5008] ? ksys_unshare+0x676/0x920 [ 59.097380][ T5008] ? lock_downgrade+0x690/0x690 [ 59.102250][ T5008] ? do_raw_spin_lock+0x124/0x2b0 [ 59.107548][ T5008] ? spin_bug+0x1c0/0x1c0 [ 59.111890][ T5008] __do_sys_clone+0xba/0x100 [ 59.116491][ T5008] ? kernel_clone+0x890/0x890 [ 59.121188][ T5008] ? syscall_enter_from_user_mode+0x26/0x80 [ 59.127096][ T5008] do_syscall_64+0x39/0xb0 [ 59.131614][ T5008] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 59.137600][ T5008] RIP: 0033:0x7fe99da89fab [ 59.142056][ T5008] 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 [ 59.162119][ T5008] RSP: 002b:00007fff3f569340 EFLAGS: 00000246 ORIG_RAX: 0000000000000038 [ 59.170559][ T5008] RAX: ffffffffffffffda RBX: 00007fff3f569998 RCX: 00007fe99da89fab [ 59.178626][ T5008] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000001200011 [ 59.186687][ T5008] RBP: 0000000000000000 R08: 0000000000000000 R09: 00005555565dc400 [ 59.194833][ T5008] R10: 00005555565dc6d0 R11: 0000000000000246 R12: 0000000000000000 [ 59.202807][ T5008] R13: 00007fff3f569430 R14: 00007fe99dbac9d8 R15: 000000000000000c [ 59.211075][ T5008] [ 59.214497][ T5008] Kernel Offset: disabled [ 59.218975][ T5008] Rebooting in 86400 seconds..