DUID 00:04:0d:c2:4b:05:43:6c:47:47:3f:af:30:96:b7:33:ac:24 forked to background, child pid 4677 [ 39.571019][ T4678] 8021q: adding VLAN 0 to HW filter on device bond0 [ 39.582171][ T4678] eql: remember to turn off Van-Jacobson compression on your slave devices Starting sshd: OK syzkaller Warning: Permanently added '10.128.1.157' (ECDSA) to the list of known hosts. 2023/06/29 21:03:26 fuzzer started 2023/06/29 21:03:26 connecting to host at 10.128.0.169:36909 2023/06/29 21:03:26 checking machine... 2023/06/29 21:03:26 checking revisions... 2023/06/29 21:03:26 testing simple program... syzkaller login: [ 58.621638][ T5008] cgroup: Unknown subsys name 'net' [ 58.708022][ T5008] cgroup: Unknown subsys name 'rlimit' [ 60.108566][ T5008] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k FS [ 60.121944][ T5006] memfd_create() without MFD_EXEC nor MFD_NOEXEC_SEAL, pid=5006 'syz-fuzzer' [ 60.239644][ T5010] ================================================================================ [ 60.249496][ T5010] UBSAN: array-index-out-of-bounds in kernel/pid.c:244:15 [ 60.257392][ T5010] index 1 is out of range for type 'upid [1]' [ 60.264338][ T5010] CPU: 0 PID: 5010 Comm: syz-executor.0 Not tainted 6.4.0-syzkaller-04247-g3a8a670eeeaa #0 [ 60.274786][ T5010] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/27/2023 [ 60.285052][ T5010] Call Trace: [ 60.288375][ T5010] [ 60.291402][ T5010] dump_stack_lvl+0x136/0x150 [ 60.296126][ T5010] __ubsan_handle_out_of_bounds+0xd5/0x140 [ 60.302319][ T5010] ? schedule_timeout+0x241/0x2b0 [ 60.307507][ T5010] alloc_pid+0xbe5/0xdd0 [ 60.312152][ T5010] ? copy_namespaces+0x1e3/0x500 [ 60.317571][ T5010] copy_process+0x4589/0x7620 [ 60.323584][ T5010] ? pidfd_prepare+0x80/0x80 [ 60.328393][ T5010] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 60.334664][ T5010] kernel_clone+0xeb/0x890 [ 60.339664][ T5010] ? create_io_thread+0xe0/0xe0 [ 60.344861][ T5010] ? ksys_unshare+0x676/0x920 [ 60.350485][ T5010] ? lock_downgrade+0x690/0x690 [ 60.355465][ T5010] ? do_raw_spin_lock+0x124/0x2b0 [ 60.360506][ T5010] ? spin_bug+0x1c0/0x1c0 [ 60.364939][ T5010] __do_sys_clone+0xba/0x100 [ 60.369723][ T5010] ? kernel_clone+0x890/0x890 [ 60.374608][ T5010] ? syscall_enter_from_user_mode+0x26/0x80 [ 60.380692][ T5010] do_syscall_64+0x39/0xb0 [ 60.385290][ T5010] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 60.391850][ T5010] RIP: 0033:0x7f6f31a89fab [ 60.396442][ T5010] 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 [ 60.416672][ T5010] RSP: 002b:00007ffe12a1c200 EFLAGS: 00000246 ORIG_RAX: 0000000000000038 [ 60.425215][ T5010] RAX: ffffffffffffffda RBX: 00007ffe12a1c858 RCX: 00007f6f31a89fab [ 60.433368][ T5010] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000001200011 [ 60.441788][ T5010] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000555555a61400 [ 60.449937][ T5010] R10: 0000555555a616d0 R11: 0000000000000246 R12: 0000000000000000 [ 60.458101][ T5010] R13: 00007ffe12a1c2f0 R14: 00007f6f31bac9d8 R15: 000000000000000c [ 60.466638][ T5010] [ 60.470066][ T5010] ================================================================================ [ 60.479686][ T5010] Kernel panic - not syncing: UBSAN: panic_on_warn set ... [ 60.487100][ T5010] CPU: 0 PID: 5010 Comm: syz-executor.0 Not tainted 6.4.0-syzkaller-04247-g3a8a670eeeaa #0 [ 60.497697][ T5010] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/27/2023 [ 60.507990][ T5010] Call Trace: [ 60.511350][ T5010] [ 60.514480][ T5010] dump_stack_lvl+0xd9/0x150 [ 60.519357][ T5010] panic+0x686/0x730 [ 60.523450][ T5010] ? panic_smp_self_stop+0xa0/0xa0 [ 60.528617][ T5010] ? syslog_print_all+0x3a0/0x3a0 [ 60.533931][ T5010] check_panic_on_warn+0xb1/0xc0 [ 60.538897][ T5010] __ubsan_handle_out_of_bounds+0xfd/0x140 [ 60.544796][ T5010] ? schedule_timeout+0x241/0x2b0 [ 60.549834][ T5010] alloc_pid+0xbe5/0xdd0 [ 60.554102][ T5010] ? copy_namespaces+0x1e3/0x500 [ 60.559126][ T5010] copy_process+0x4589/0x7620 [ 60.563911][ T5010] ? pidfd_prepare+0x80/0x80 [ 60.568510][ T5010] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 60.574499][ T5010] kernel_clone+0xeb/0x890 [ 60.579538][ T5010] ? create_io_thread+0xe0/0xe0 [ 60.584652][ T5010] ? ksys_unshare+0x676/0x920 [ 60.589496][ T5010] ? lock_downgrade+0x690/0x690 [ 60.594589][ T5010] ? do_raw_spin_lock+0x124/0x2b0 [ 60.599924][ T5010] ? spin_bug+0x1c0/0x1c0 [ 60.604515][ T5010] __do_sys_clone+0xba/0x100 [ 60.609246][ T5010] ? kernel_clone+0x890/0x890 [ 60.614066][ T5010] ? syscall_enter_from_user_mode+0x26/0x80 [ 60.620695][ T5010] do_syscall_64+0x39/0xb0 [ 60.625507][ T5010] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 60.631591][ T5010] RIP: 0033:0x7f6f31a89fab [ 60.636569][ T5010] 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 [ 60.657007][ T5010] RSP: 002b:00007ffe12a1c200 EFLAGS: 00000246 ORIG_RAX: 0000000000000038 [ 60.666475][ T5010] RAX: ffffffffffffffda RBX: 00007ffe12a1c858 RCX: 00007f6f31a89fab [ 60.675230][ T5010] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000001200011 [ 60.683731][ T5010] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000555555a61400 [ 60.691878][ T5010] R10: 0000555555a616d0 R11: 0000000000000246 R12: 0000000000000000 [ 60.699848][ T5010] R13: 00007ffe12a1c2f0 R14: 00007f6f31bac9d8 R15: 000000000000000c [ 60.707933][ T5010] [ 60.711259][ T5010] Kernel Offset: disabled [ 60.715704][ T5010] Rebooting in 86400 seconds..