DUID 00:04:00:dd:10:da:7f:85:b5:90:fb:fd:97:ac:66:d6:08:36
forked to background, child pid 4670
[ 33.522588][ T4671] 8021q: adding VLAN 0 to HW filter on device bond0
[ 33.535329][ T4671] eql: remember to turn off Van-Jacobson compression on your slave devices
Starting sshd: OK
syzkaller
Warning: Permanently added '10.128.1.56' (ECDSA) to the list of known hosts.
2023/05/15 20:13:12 fuzzer started
2023/05/15 20:13:13 connecting to host at 10.128.0.169:42369
2023/05/15 20:13:13 checking machine...
2023/05/15 20:13:13 checking revisions...
2023/05/15 20:13:13 testing simple program...
syzkaller login: [ 52.252569][ T5001] cgroup: Unknown subsys name 'net'
[ 52.471107][ T5001] cgroup: Unknown subsys name 'rlimit'
[ 52.609492][ T4999] memfd_create() without MFD_EXEC nor MFD_NOEXEC_SEAL, pid=4999 'syz-fuzzer'
[ 52.734341][ T5004] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1
[ 52.742314][ T5004] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9
[ 52.749990][ T5004] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9
[ 52.758261][ T5004] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4
[ 52.766169][ T5004] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3
[ 52.773952][ T5004] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2
[ 52.805919][ T5003] ------------[ cut here ]------------
[ 52.811561][ T5003] sysctl net/ipv4/ipfrag_low_thresh: data points to kernel global data: ipfrag_low_thresh_unused
[ 52.823516][ T5003] WARNING: CPU: 0 PID: 5003 at net/sysctl_net.c:155 register_net_sysctl+0x207/0x3c0
[ 52.832977][ T5003] Modules linked in:
[ 52.836863][ T5003] CPU: 0 PID: 5003 Comm: syz-executor.0 Not tainted 6.4.0-rc1-syzkaller-00233-g0d9b41daa590 #0
[ 52.847447][ T5003] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/28/2023
[ 52.857630][ T5003] RIP: 0010:register_net_sysctl+0x207/0x3c0
[ 52.863577][ T5003] Code: 8b 43 f4 48 89 f8 48 c1 e8 03 80 3c 28 00 0f 85 a9 01 00 00 48 8b 53 ec 4c 89 e9 4c 89 fe 48 c7 c7 c0 01 85 8b e8 59 61 81 f7 <0f> 0b 48 89 d8 48 c1 e8 03 0f b6 14 28 48 89 d8 83 e0 07 83 c0 01
[ 52.883258][ T5003] RSP: 0018:ffffc900040afbf8 EFLAGS: 00010286
[ 52.889329][ T5003] RAX: 0000000000000000 RBX: ffff88801ea6cc54 RCX: 0000000000000000
[ 52.897349][ T5003] RDX: ffff88801e485940 RSI: ffffffff814c03e7 RDI: 0000000000000001
[ 52.905387][ T5003] RBP: dffffc0000000000 R08: 0000000000000001 R09: 0000000000000000
[ 52.913539][ T5003] R10: 0000000000000001 R11: 0000000000000001 R12: ffff88801ea6cc48
[ 52.922099][ T5003] R13: ffffffff8b850040 R14: 0000000000000000 R15: ffffffff8b694ce0
[ 52.930351][ T5003] FS: 0000555555c2f400(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000
[ 52.939359][ T5003] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 52.946018][ T5003] CR2: 0000560b54c69f98 CR3: 00000000709e9000 CR4: 00000000003506f0
[ 52.954069][ T5003] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 52.962081][ T5003] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 52.970249][ T5003] Call Trace:
[ 52.973592][ T5003]
[ 52.976541][ T5003] ? ip4_frag_init+0x380/0x380
[ 52.981469][ T5003] ipv4_frags_init_net+0x269/0x430
[ 52.986649][ T5003] ops_init+0xb9/0x6b0
[ 52.990875][ T5003] setup_net+0x5d1/0xc50
[ 52.995271][ T5003] ? ops_init+0x6b0/0x6b0
[ 52.999621][ T5003] copy_net_ns+0x4ee/0x8e0
[ 53.004144][ T5003] create_new_namespaces+0x3f6/0xb20
[ 53.009592][ T5003] unshare_nsproxy_namespaces+0xc1/0x1f0
[ 53.015457][ T5003] ksys_unshare+0x449/0x920
[ 53.020008][ T5003] ? unshare_fd+0x1c0/0x1c0
[ 53.024668][ T5003] ? unlock_page_memcg+0x2d0/0x2d0
[ 53.029815][ T5003] ? syscall_enter_from_user_mode+0x26/0x80
[ 53.035759][ T5003] __x64_sys_unshare+0x31/0x40
[ 53.040548][ T5003] do_syscall_64+0x39/0xb0
[ 53.045041][ T5003] entry_SYSCALL_64_after_hwframe+0x63/0xcd
[ 53.051003][ T5003] RIP: 0033:0x7fc9f6e8d727
[ 53.055518][ T5003] Code: 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 b8 10 01 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
[ 53.075628][ T5003] RSP: 002b:00007ffec72c87e8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[ 53.085267][ T5003] RAX: ffffffffffffffda RBX: 00007ffec72c8e28 RCX: 00007fc9f6e8d727
[ 53.093292][ T5003] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000040000000
[ 53.101307][ T5003] RBP: 00000000ffffffff R08: 0000000000000000 R09: 0000000000000000
[ 53.109279][ T5003] R10: 0000000000000000 R11: 0000000000000206 R12: 0000000000000003
[ 53.117305][ T5003] R13: 00007ffec72c88c0 R14: 00007fc9f6fac9d8 R15: 000000000000000c
[ 53.125441][ T5003]
[ 53.128460][ T5003] Kernel panic - not syncing: kernel: panic_on_warn set ...
[ 53.136057][ T5003] CPU: 0 PID: 5003 Comm: syz-executor.0 Not tainted 6.4.0-rc1-syzkaller-00233-g0d9b41daa590 #0
[ 53.146648][ T5003] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/28/2023
[ 53.156960][ T5003] Call Trace:
[ 53.160243][ T5003]
[ 53.163696][ T5003] dump_stack_lvl+0xd9/0x150
[ 53.168733][ T5003] panic+0x686/0x730
[ 53.172631][ T5003] ? panic_smp_self_stop+0xa0/0xa0
[ 53.177942][ T5003] ? show_trace_log_lvl+0x285/0x390
[ 53.183253][ T5003] ? register_net_sysctl+0x207/0x3c0
[ 53.188818][ T5003] check_panic_on_warn+0xb1/0xc0
[ 53.193781][ T5003] __warn+0xf2/0x390
[ 53.197695][ T5003] ? preempt_schedule_notrace+0x5f/0xd0
[ 53.203250][ T5003] ? register_net_sysctl+0x207/0x3c0
[ 53.208543][ T5003] report_bug+0x2da/0x500
[ 53.212895][ T5003] handle_bug+0x3c/0x70
[ 53.217052][ T5003] exc_invalid_op+0x18/0x50
[ 53.221556][ T5003] asm_exc_invalid_op+0x1a/0x20
[ 53.226598][ T5003] RIP: 0010:register_net_sysctl+0x207/0x3c0
[ 53.232498][ T5003] Code: 8b 43 f4 48 89 f8 48 c1 e8 03 80 3c 28 00 0f 85 a9 01 00 00 48 8b 53 ec 4c 89 e9 4c 89 fe 48 c7 c7 c0 01 85 8b e8 59 61 81 f7 <0f> 0b 48 89 d8 48 c1 e8 03 0f b6 14 28 48 89 d8 83 e0 07 83 c0 01
[ 53.252112][ T5003] RSP: 0018:ffffc900040afbf8 EFLAGS: 00010286
[ 53.258183][ T5003] RAX: 0000000000000000 RBX: ffff88801ea6cc54 RCX: 0000000000000000
[ 53.266159][ T5003] RDX: ffff88801e485940 RSI: ffffffff814c03e7 RDI: 0000000000000001
[ 53.274132][ T5003] RBP: dffffc0000000000 R08: 0000000000000001 R09: 0000000000000000
[ 53.282105][ T5003] R10: 0000000000000001 R11: 0000000000000001 R12: ffff88801ea6cc48
[ 53.290081][ T5003] R13: ffffffff8b850040 R14: 0000000000000000 R15: ffffffff8b694ce0
[ 53.298264][ T5003] ? __warn_printk+0x187/0x310
[ 53.303045][ T5003] ? register_net_sysctl+0x207/0x3c0
[ 53.308340][ T5003] ? ip4_frag_init+0x380/0x380
[ 53.313118][ T5003] ipv4_frags_init_net+0x269/0x430
[ 53.318250][ T5003] ops_init+0xb9/0x6b0
[ 53.322438][ T5003] setup_net+0x5d1/0xc50
[ 53.326701][ T5003] ? ops_init+0x6b0/0x6b0
[ 53.331144][ T5003] copy_net_ns+0x4ee/0x8e0
[ 53.335602][ T5003] create_new_namespaces+0x3f6/0xb20
[ 53.341262][ T5003] unshare_nsproxy_namespaces+0xc1/0x1f0
[ 53.347351][ T5003] ksys_unshare+0x449/0x920
[ 53.352050][ T5003] ? unshare_fd+0x1c0/0x1c0
[ 53.356573][ T5003] ? unlock_page_memcg+0x2d0/0x2d0
[ 53.361709][ T5003] ? syscall_enter_from_user_mode+0x26/0x80
[ 53.367621][ T5003] __x64_sys_unshare+0x31/0x40
[ 53.372398][ T5003] do_syscall_64+0x39/0xb0
[ 53.376836][ T5003] entry_SYSCALL_64_after_hwframe+0x63/0xcd
[ 53.382747][ T5003] RIP: 0033:0x7fc9f6e8d727
[ 53.387169][ T5003] Code: 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 b8 10 01 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
[ 53.406872][ T5003] RSP: 002b:00007ffec72c87e8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[ 53.415381][ T5003] RAX: ffffffffffffffda RBX: 00007ffec72c8e28 RCX: 00007fc9f6e8d727
[ 53.423442][ T5003] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000040000000
[ 53.431589][ T5003] RBP: 00000000ffffffff R08: 0000000000000000 R09: 0000000000000000
[ 53.439651][ T5003] R10: 0000000000000000 R11: 0000000000000206 R12: 0000000000000003
[ 53.447630][ T5003] R13: 00007ffec72c88c0 R14: 00007fc9f6fac9d8 R15: 000000000000000c
[ 53.455710][ T5003]
[ 53.458875][ T5003] Kernel Offset: disabled
[ 53.463293][ T5003] Rebooting in 86400 seconds..