Warning: Permanently added '10.128.0.39' (ECDSA) to the list of known hosts. 2023/05/16 14:36:19 fuzzer started 2023/05/16 14:36:19 connecting to host at 10.128.0.169:39803 2023/05/16 14:36:19 checking machine... 2023/05/16 14:36:19 checking revisions... 2023/05/16 14:36:19 testing simple program... [ 55.488381][ T5002] cgroup: Unknown subsys name 'net' [ 55.636655][ T5002] cgroup: Unknown subsys name 'rlimit' [ 55.762099][ T4996] memfd_create() without MFD_EXEC nor MFD_NOEXEC_SEAL, pid=4996 'syz-fuzzer' [ 55.884235][ T47] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 55.892519][ T47] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 55.900773][ T47] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 55.908808][ T47] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 55.916654][ T47] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 55.924019][ T47] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 55.951835][ T5004] ------------[ cut here ]------------ [ 55.957561][ T5004] sysctl net/ipv4/ipfrag_low_thresh: data points to kernel global data: ipfrag_low_thresh_unused [ 55.970264][ T5004] WARNING: CPU: 0 PID: 5004 at net/sysctl_net.c:155 register_net_sysctl+0x207/0x3c0 [ 55.979924][ T5004] Modules linked in: [ 55.983816][ T5004] CPU: 0 PID: 5004 Comm: syz-executor.0 Not tainted 6.4.0-rc1-syzkaller-00240-ge641577eb6e8 #0 [ 55.994205][ T5004] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/28/2023 [ 56.004557][ T5004] RIP: 0010:register_net_sysctl+0x207/0x3c0 [ 56.010509][ T5004] 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 [ 56.031158][ T5004] RSP: 0018:ffffc900039dfbf8 EFLAGS: 00010286 [ 56.037306][ T5004] RAX: 0000000000000000 RBX: ffff888020fec054 RCX: 0000000000000000 [ 56.045448][ T5004] RDX: ffff888028a93b80 RSI: ffffffff814c03e7 RDI: 0000000000000001 [ 56.053454][ T5004] RBP: dffffc0000000000 R08: 0000000000000001 R09: 0000000000000000 [ 56.061527][ T5004] R10: 0000000000000001 R11: 0000000000000001 R12: ffff888020fec048 [ 56.069869][ T5004] R13: ffffffff8b850040 R14: 0000000000000000 R15: ffffffff8b694ce0 [ 56.078075][ T5004] FS: 00005555573bd400(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000 [ 56.087180][ T5004] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 56.093759][ T5004] CR2: 00007ff4e80d4620 CR3: 0000000070791000 CR4: 00000000003506f0 [ 56.101893][ T5004] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 56.110026][ T5004] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 56.118037][ T5004] Call Trace: [ 56.121351][ T5004] [ 56.124276][ T5004] ? ip4_frag_init+0x380/0x380 [ 56.129142][ T5004] ipv4_frags_init_net+0x269/0x430 [ 56.134285][ T5004] ops_init+0xb9/0x6b0 [ 56.138591][ T5004] setup_net+0x5d1/0xc50 [ 56.142866][ T5004] ? ops_init+0x6b0/0x6b0 [ 56.147285][ T5004] copy_net_ns+0x4ee/0x8e0 [ 56.151747][ T5004] create_new_namespaces+0x3f6/0xb20 [ 56.157093][ T5004] unshare_nsproxy_namespaces+0xc1/0x1f0 [ 56.162754][ T5004] ksys_unshare+0x449/0x920 [ 56.167358][ T5004] ? unshare_fd+0x1c0/0x1c0 [ 56.171914][ T5004] ? unlock_page_memcg+0x2d0/0x2d0 [ 56.177125][ T5004] ? syscall_enter_from_user_mode+0x26/0x80 [ 56.183047][ T5004] __x64_sys_unshare+0x31/0x40 [ 56.187909][ T5004] do_syscall_64+0x39/0xb0 [ 56.192476][ T5004] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 56.198460][ T5004] RIP: 0033:0x7ff4e748d727 [ 56.202888][ T5004] 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 [ 56.222590][ T5004] RSP: 002b:00007ffef2ccecd8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 56.231068][ T5004] RAX: ffffffffffffffda RBX: 00007ffef2ccf318 RCX: 00007ff4e748d727 [ 56.239288][ T5004] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000040000000 [ 56.247320][ T5004] RBP: 00000000ffffffff R08: 0000000000000000 R09: 0000000000000000 [ 56.255366][ T5004] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000003 [ 56.263352][ T5004] R13: 00007ffef2ccedb0 R14: 00007ff4e75ac9d8 R15: 000000000000000c [ 56.271387][ T5004] [ 56.274422][ T5004] Kernel panic - not syncing: kernel: panic_on_warn set ... [ 56.281692][ T5004] CPU: 0 PID: 5004 Comm: syz-executor.0 Not tainted 6.4.0-rc1-syzkaller-00240-ge641577eb6e8 #0 [ 56.292002][ T5004] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/28/2023 [ 56.302045][ T5004] Call Trace: [ 56.305315][ T5004] [ 56.308323][ T5004] dump_stack_lvl+0xd9/0x150 [ 56.312916][ T5004] panic+0x686/0x730 [ 56.316834][ T5004] ? panic_smp_self_stop+0xa0/0xa0 [ 56.321938][ T5004] ? show_trace_log_lvl+0x285/0x390 [ 56.327153][ T5004] ? register_net_sysctl+0x207/0x3c0 [ 56.332449][ T5004] check_panic_on_warn+0xb1/0xc0 [ 56.337406][ T5004] __warn+0xf2/0x390 [ 56.341312][ T5004] ? preempt_schedule_notrace+0x5f/0xd0 [ 56.346867][ T5004] ? register_net_sysctl+0x207/0x3c0 [ 56.352163][ T5004] report_bug+0x2da/0x500 [ 56.356521][ T5004] handle_bug+0x3c/0x70 [ 56.360769][ T5004] exc_invalid_op+0x18/0x50 [ 56.365277][ T5004] asm_exc_invalid_op+0x1a/0x20 [ 56.370145][ T5004] RIP: 0010:register_net_sysctl+0x207/0x3c0 [ 56.376049][ T5004] 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 [ 56.395834][ T5004] RSP: 0018:ffffc900039dfbf8 EFLAGS: 00010286 [ 56.401904][ T5004] RAX: 0000000000000000 RBX: ffff888020fec054 RCX: 0000000000000000 [ 56.409875][ T5004] RDX: ffff888028a93b80 RSI: ffffffff814c03e7 RDI: 0000000000000001 [ 56.417850][ T5004] RBP: dffffc0000000000 R08: 0000000000000001 R09: 0000000000000000 [ 56.425908][ T5004] R10: 0000000000000001 R11: 0000000000000001 R12: ffff888020fec048 [ 56.433881][ T5004] R13: ffffffff8b850040 R14: 0000000000000000 R15: ffffffff8b694ce0 [ 56.441949][ T5004] ? __warn_printk+0x187/0x310 [ 56.446733][ T5004] ? register_net_sysctl+0x207/0x3c0 [ 56.452027][ T5004] ? ip4_frag_init+0x380/0x380 [ 56.456812][ T5004] ipv4_frags_init_net+0x269/0x430 [ 56.461939][ T5004] ops_init+0xb9/0x6b0 [ 56.466213][ T5004] setup_net+0x5d1/0xc50 [ 56.470480][ T5004] ? ops_init+0x6b0/0x6b0 [ 56.474836][ T5004] copy_net_ns+0x4ee/0x8e0 [ 56.479368][ T5004] create_new_namespaces+0x3f6/0xb20 [ 56.484683][ T5004] unshare_nsproxy_namespaces+0xc1/0x1f0 [ 56.490335][ T5004] ksys_unshare+0x449/0x920 [ 56.494850][ T5004] ? unshare_fd+0x1c0/0x1c0 [ 56.499374][ T5004] ? unlock_page_memcg+0x2d0/0x2d0 [ 56.504508][ T5004] ? syscall_enter_from_user_mode+0x26/0x80 [ 56.510420][ T5004] __x64_sys_unshare+0x31/0x40 [ 56.515196][ T5004] do_syscall_64+0x39/0xb0 [ 56.519633][ T5004] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 56.525641][ T5004] RIP: 0033:0x7ff4e748d727 [ 56.530060][ T5004] 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 [ 56.549758][ T5004] RSP: 002b:00007ffef2ccecd8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 56.558350][ T5004] RAX: ffffffffffffffda RBX: 00007ffef2ccf318 RCX: 00007ff4e748d727 [ 56.566759][ T5004] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000040000000 [ 56.575252][ T5004] RBP: 00000000ffffffff R08: 0000000000000000 R09: 0000000000000000 [ 56.583395][ T5004] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000003 [ 56.591545][ T5004] R13: 00007ffef2ccedb0 R14: 00007ff4e75ac9d8 R15: 000000000000000c [ 56.599540][ T5004] [ 56.602777][ T5004] Kernel Offset: disabled [ 56.607185][ T5004] Rebooting in 86400 seconds..