Warning: Permanently added '10.128.1.71' (ECDSA) to the list of known hosts. 2023/05/16 12:05:43 fuzzer started 2023/05/16 12:05:43 connecting to host at 10.128.0.169:35419 2023/05/16 12:05:43 checking machine... 2023/05/16 12:05:43 checking revisions... 2023/05/16 12:05:43 testing simple program... [ 55.775399][ T5000] cgroup: Unknown subsys name 'net' [ 55.911015][ T5000] cgroup: Unknown subsys name 'rlimit' [ 56.036721][ T4998] memfd_create() without MFD_EXEC nor MFD_NOEXEC_SEAL, pid=4998 'syz-fuzzer' [ 56.160374][ T5003] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 56.168260][ T5003] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 56.176390][ T5003] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 56.184167][ T5003] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 56.191933][ T5003] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 56.199483][ T5003] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 56.230406][ T5002] ------------[ cut here ]------------ [ 56.236060][ T5002] sysctl net/ipv4/ipfrag_low_thresh: data points to kernel global data: ipfrag_low_thresh_unused [ 56.247366][ T5002] WARNING: CPU: 0 PID: 5002 at net/sysctl_net.c:155 register_net_sysctl+0x207/0x3c0 [ 56.256895][ T5002] Modules linked in: [ 56.261025][ T5002] CPU: 0 PID: 5002 Comm: syz-executor.0 Not tainted 6.4.0-rc2-next-20230516-syzkaller #0 [ 56.271263][ T5002] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/28/2023 [ 56.281848][ T5002] RIP: 0010:register_net_sysctl+0x207/0x3c0 [ 56.287777][ T5002] 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 98 85 8b e8 69 13 7f f7 <0f> 0b 48 89 d8 48 c1 e8 03 0f b6 14 28 48 89 d8 83 e0 07 83 c0 01 [ 56.307624][ T5002] RSP: 0018:ffffc90003f3fbf8 EFLAGS: 00010286 [ 56.313741][ T5002] RAX: 0000000000000000 RBX: ffff888027a56854 RCX: 0000000000000000 [ 56.321773][ T5002] RDX: ffff88807db13b80 RSI: ffffffff814bd247 RDI: 0000000000000001 [ 56.329830][ T5002] RBP: dffffc0000000000 R08: 0000000000000001 R09: 0000000000000000 [ 56.337826][ T5002] R10: 0000000000000001 R11: 0000000000000001 R12: ffff888027a56848 [ 56.345900][ T5002] R13: ffffffff8b859740 R14: 0000000000000000 R15: ffffffff8b69e220 [ 56.354063][ T5002] FS: 000055555618a400(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000 [ 56.363201][ T5002] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 56.369851][ T5002] CR2: 00007f57f7ad4620 CR3: 00000000224ca000 CR4: 00000000003506f0 [ 56.377852][ T5002] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 56.385914][ T5002] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 56.393966][ T5002] Call Trace: [ 56.397273][ T5002] [ 56.400299][ T5002] ? ip4_frag_init+0x380/0x380 [ 56.405227][ T5002] ipv4_frags_init_net+0x269/0x430 [ 56.410711][ T5002] ops_init+0xb9/0x6b0 [ 56.414833][ T5002] setup_net+0x5d1/0xc50 [ 56.419156][ T5002] ? down_read_killable+0x14a/0x4f0 [ 56.424379][ T5002] ? ops_init+0x6b0/0x6b0 [ 56.428708][ T5002] copy_net_ns+0x4ee/0x8e0 [ 56.433214][ T5002] create_new_namespaces+0x3f6/0xb20 [ 56.438535][ T5002] unshare_nsproxy_namespaces+0xc1/0x1f0 [ 56.444399][ T5002] ksys_unshare+0x449/0x920 [ 56.449069][ T5002] ? unshare_fd+0x1c0/0x1c0 [ 56.453669][ T5002] ? unlock_page_memcg+0x3b0/0x3b0 [ 56.458995][ T5002] ? syscall_enter_from_user_mode+0x26/0x80 [ 56.464949][ T5002] __x64_sys_unshare+0x31/0x40 [ 56.469883][ T5002] do_syscall_64+0x39/0xb0 [ 56.474411][ T5002] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 56.480405][ T5002] RIP: 0033:0x7f57f6e8d727 [ 56.484853][ T5002] 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 [ 56.504580][ T5002] RSP: 002b:00007fff9777e5b8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 56.513196][ T5002] RAX: ffffffffffffffda RBX: 00007fff9777ebf8 RCX: 00007f57f6e8d727 [ 56.523392][ T5002] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000040000000 [ 56.531530][ T5002] RBP: 00000000ffffffff R08: 0000000000000000 R09: 0000000000000000 [ 56.539694][ T5002] R10: 0000000000000000 R11: 0000000000000206 R12: 0000000000000003 [ 56.547795][ T5002] R13: 00007fff9777e690 R14: 00007f57f6fac9d8 R15: 000000000000000c [ 56.555978][ T5002] [ 56.559059][ T5002] Kernel panic - not syncing: kernel: panic_on_warn set ... [ 56.566336][ T5002] CPU: 0 PID: 5002 Comm: syz-executor.0 Not tainted 6.4.0-rc2-next-20230516-syzkaller #0 [ 56.576324][ T5002] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/28/2023 [ 56.586551][ T5002] Call Trace: [ 56.589824][ T5002] [ 56.592745][ T5002] dump_stack_lvl+0xd9/0x150 [ 56.597421][ T5002] panic+0x686/0x730 [ 56.601319][ T5002] ? panic_smp_self_stop+0xa0/0xa0 [ 56.606427][ T5002] ? show_trace_log_lvl+0x285/0x390 [ 56.611717][ T5002] ? register_net_sysctl+0x207/0x3c0 [ 56.617033][ T5002] check_panic_on_warn+0xb1/0xc0 [ 56.621978][ T5002] __warn+0xf2/0x390 [ 56.625887][ T5002] ? preempt_schedule_notrace+0x5f/0xd0 [ 56.631431][ T5002] ? register_net_sysctl+0x207/0x3c0 [ 56.636727][ T5002] report_bug+0x2da/0x500 [ 56.641309][ T5002] handle_bug+0x3c/0x70 [ 56.645477][ T5002] exc_invalid_op+0x18/0x50 [ 56.650162][ T5002] asm_exc_invalid_op+0x1a/0x20 [ 56.655024][ T5002] RIP: 0010:register_net_sysctl+0x207/0x3c0 [ 56.660960][ T5002] 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 98 85 8b e8 69 13 7f f7 <0f> 0b 48 89 d8 48 c1 e8 03 0f b6 14 28 48 89 d8 83 e0 07 83 c0 01 [ 56.681022][ T5002] RSP: 0018:ffffc90003f3fbf8 EFLAGS: 00010286 [ 56.687190][ T5002] RAX: 0000000000000000 RBX: ffff888027a56854 RCX: 0000000000000000 [ 56.695164][ T5002] RDX: ffff88807db13b80 RSI: ffffffff814bd247 RDI: 0000000000000001 [ 56.703314][ T5002] RBP: dffffc0000000000 R08: 0000000000000001 R09: 0000000000000000 [ 56.711378][ T5002] R10: 0000000000000001 R11: 0000000000000001 R12: ffff888027a56848 [ 56.719456][ T5002] R13: ffffffff8b859740 R14: 0000000000000000 R15: ffffffff8b69e220 [ 56.727462][ T5002] ? __warn_printk+0x187/0x310 [ 56.732270][ T5002] ? register_net_sysctl+0x207/0x3c0 [ 56.737611][ T5002] ? ip4_frag_init+0x380/0x380 [ 56.742474][ T5002] ipv4_frags_init_net+0x269/0x430 [ 56.747616][ T5002] ops_init+0xb9/0x6b0 [ 56.751788][ T5002] setup_net+0x5d1/0xc50 [ 56.756234][ T5002] ? down_read_killable+0x14a/0x4f0 [ 56.761446][ T5002] ? ops_init+0x6b0/0x6b0 [ 56.765804][ T5002] copy_net_ns+0x4ee/0x8e0 [ 56.770278][ T5002] create_new_namespaces+0x3f6/0xb20 [ 56.775656][ T5002] unshare_nsproxy_namespaces+0xc1/0x1f0 [ 56.781306][ T5002] ksys_unshare+0x449/0x920 [ 56.785830][ T5002] ? unshare_fd+0x1c0/0x1c0 [ 56.790357][ T5002] ? unlock_page_memcg+0x3b0/0x3b0 [ 56.795565][ T5002] ? syscall_enter_from_user_mode+0x26/0x80 [ 56.801581][ T5002] __x64_sys_unshare+0x31/0x40 [ 56.806377][ T5002] do_syscall_64+0x39/0xb0 [ 56.810801][ T5002] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 56.816821][ T5002] RIP: 0033:0x7f57f6e8d727 [ 56.821275][ T5002] 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 [ 56.841255][ T5002] RSP: 002b:00007fff9777e5b8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 56.849677][ T5002] RAX: ffffffffffffffda RBX: 00007fff9777ebf8 RCX: 00007f57f6e8d727 [ 56.857676][ T5002] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000040000000 [ 56.865645][ T5002] RBP: 00000000ffffffff R08: 0000000000000000 R09: 0000000000000000 [ 56.873718][ T5002] R10: 0000000000000000 R11: 0000000000000206 R12: 0000000000000003 [ 56.881795][ T5002] R13: 00007fff9777e690 R14: 00007f57f6fac9d8 R15: 000000000000000c [ 56.889798][ T5002] [ 56.892875][ T5002] Kernel Offset: disabled [ 56.898090][ T5002] Rebooting in 86400 seconds..