Warning: Permanently added '10.128.1.99' (ECDSA) to the list of known hosts. 2023/05/16 15:36:36 fuzzer started 2023/05/16 15:36:36 connecting to host at 10.128.0.169:33385 2023/05/16 15:36:36 checking machine... 2023/05/16 15:36:36 checking revisions... 2023/05/16 15:36:36 testing simple program... [ 58.790297][ T5000] cgroup: Unknown subsys name 'net' [ 58.951390][ T5000] cgroup: Unknown subsys name 'rlimit' [ 59.077082][ T4995] memfd_create() without MFD_EXEC nor MFD_NOEXEC_SEAL, pid=4995 'syz-fuzzer' [ 59.201399][ T5003] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 59.209385][ T5003] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 59.217562][ T5003] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 59.225881][ T5003] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 59.233673][ T5003] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 59.241022][ T5003] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 59.275146][ T5002] ------------[ cut here ]------------ [ 59.280966][ T5002] sysctl net/ipv4/ipfrag_low_thresh: data points to kernel global data: ipfrag_low_thresh_unused [ 59.292456][ T5002] WARNING: CPU: 0 PID: 5002 at net/sysctl_net.c:155 register_net_sysctl+0x207/0x3c0 [ 59.302009][ T5002] Modules linked in: [ 59.305925][ T5002] CPU: 0 PID: 5002 Comm: syz-executor.0 Not tainted 6.4.0-rc2-next-20230516-syzkaller #0 [ 59.315977][ T5002] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/28/2023 [ 59.326300][ T5002] RIP: 0010:register_net_sysctl+0x207/0x3c0 [ 59.332389][ 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 [ 59.352062][ T5002] RSP: 0018:ffffc90003b6fbf8 EFLAGS: 00010286 [ 59.358125][ T5002] RAX: 0000000000000000 RBX: ffff888019310854 RCX: 0000000000000000 [ 59.366185][ T5002] RDX: ffff888028680000 RSI: ffffffff814bd247 RDI: 0000000000000001 [ 59.374262][ T5002] RBP: dffffc0000000000 R08: 0000000000000001 R09: 0000000000000000 [ 59.382319][ T5002] R10: 0000000000000001 R11: 0000000000000001 R12: ffff888019310848 [ 59.390444][ T5002] R13: ffffffff8b859740 R14: 0000000000000000 R15: ffffffff8b69e220 [ 59.398511][ T5002] FS: 0000555555a0d400(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000 [ 59.407507][ T5002] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 59.414167][ T5002] CR2: 00007f96872d4620 CR3: 0000000070c76000 CR4: 00000000003506f0 [ 59.422374][ T5002] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 59.430428][ T5002] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 59.438415][ T5002] Call Trace: [ 59.441740][ T5002] [ 59.444706][ T5002] ? ip4_frag_init+0x380/0x380 [ 59.449498][ T5002] ipv4_frags_init_net+0x269/0x430 [ 59.454777][ T5002] ops_init+0xb9/0x6b0 [ 59.458880][ T5002] setup_net+0x5d1/0xc50 [ 59.463172][ T5002] ? down_read_killable+0x14a/0x4f0 [ 59.468402][ T5002] ? ops_init+0x6b0/0x6b0 [ 59.472807][ T5002] copy_net_ns+0x4ee/0x8e0 [ 59.477257][ T5002] create_new_namespaces+0x3f6/0xb20 [ 59.482718][ T5002] unshare_nsproxy_namespaces+0xc1/0x1f0 [ 59.488398][ T5002] ksys_unshare+0x449/0x920 [ 59.492985][ T5002] ? unshare_fd+0x1c0/0x1c0 [ 59.497545][ T5002] ? unlock_page_memcg+0x3b0/0x3b0 [ 59.502724][ T5002] ? syscall_enter_from_user_mode+0x26/0x80 [ 59.508682][ T5002] __x64_sys_unshare+0x31/0x40 [ 59.513517][ T5002] do_syscall_64+0x39/0xb0 [ 59.517983][ T5002] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 59.524002][ T5002] RIP: 0033:0x7f968668d727 [ 59.528534][ 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 [ 59.548365][ T5002] RSP: 002b:00007ffefdf6a938 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 59.556961][ T5002] RAX: ffffffffffffffda RBX: 00007ffefdf6af78 RCX: 00007f968668d727 [ 59.565132][ T5002] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000040000000 [ 59.573188][ T5002] RBP: 00000000ffffffff R08: 0000000000000000 R09: 0000000000000000 [ 59.581534][ T5002] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000003 [ 59.589684][ T5002] R13: 00007ffefdf6aa10 R14: 00007f96867ac9d8 R15: 000000000000000c [ 59.597700][ T5002] [ 59.600800][ T5002] Kernel panic - not syncing: kernel: panic_on_warn set ... [ 59.608242][ T5002] CPU: 0 PID: 5002 Comm: syz-executor.0 Not tainted 6.4.0-rc2-next-20230516-syzkaller #0 [ 59.618042][ T5002] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/28/2023 [ 59.628190][ T5002] Call Trace: [ 59.631467][ T5002] [ 59.634388][ T5002] dump_stack_lvl+0xd9/0x150 [ 59.638993][ T5002] panic+0x686/0x730 [ 59.642992][ T5002] ? panic_smp_self_stop+0xa0/0xa0 [ 59.648098][ T5002] ? show_trace_log_lvl+0x285/0x390 [ 59.653333][ T5002] ? register_net_sysctl+0x207/0x3c0 [ 59.658626][ T5002] check_panic_on_warn+0xb1/0xc0 [ 59.663571][ T5002] __warn+0xf2/0x390 [ 59.667481][ T5002] ? preempt_schedule_notrace+0x5f/0xd0 [ 59.673125][ T5002] ? register_net_sysctl+0x207/0x3c0 [ 59.678419][ T5002] report_bug+0x2da/0x500 [ 59.682943][ T5002] handle_bug+0x3c/0x70 [ 59.687105][ T5002] exc_invalid_op+0x18/0x50 [ 59.691612][ T5002] asm_exc_invalid_op+0x1a/0x20 [ 59.696467][ T5002] RIP: 0010:register_net_sysctl+0x207/0x3c0 [ 59.702378][ 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 [ 59.722427][ T5002] RSP: 0018:ffffc90003b6fbf8 EFLAGS: 00010286 [ 59.728498][ T5002] RAX: 0000000000000000 RBX: ffff888019310854 RCX: 0000000000000000 [ 59.736486][ T5002] RDX: ffff888028680000 RSI: ffffffff814bd247 RDI: 0000000000000001 [ 59.744667][ T5002] RBP: dffffc0000000000 R08: 0000000000000001 R09: 0000000000000000 [ 59.752659][ T5002] R10: 0000000000000001 R11: 0000000000000001 R12: ffff888019310848 [ 59.760639][ T5002] R13: ffffffff8b859740 R14: 0000000000000000 R15: ffffffff8b69e220 [ 59.768721][ T5002] ? __warn_printk+0x187/0x310 [ 59.773512][ T5002] ? register_net_sysctl+0x207/0x3c0 [ 59.778912][ T5002] ? ip4_frag_init+0x380/0x380 [ 59.783688][ T5002] ipv4_frags_init_net+0x269/0x430 [ 59.789077][ T5002] ops_init+0xb9/0x6b0 [ 59.793171][ T5002] setup_net+0x5d1/0xc50 [ 59.797518][ T5002] ? down_read_killable+0x14a/0x4f0 [ 59.802829][ T5002] ? ops_init+0x6b0/0x6b0 [ 59.807174][ T5002] copy_net_ns+0x4ee/0x8e0 [ 59.811624][ T5002] create_new_namespaces+0x3f6/0xb20 [ 59.817799][ T5002] unshare_nsproxy_namespaces+0xc1/0x1f0 [ 59.823463][ T5002] ksys_unshare+0x449/0x920 [ 59.828023][ T5002] ? unshare_fd+0x1c0/0x1c0 [ 59.832885][ T5002] ? unlock_page_memcg+0x3b0/0x3b0 [ 59.838451][ T5002] ? syscall_enter_from_user_mode+0x26/0x80 [ 59.844811][ T5002] __x64_sys_unshare+0x31/0x40 [ 59.849676][ T5002] do_syscall_64+0x39/0xb0 [ 59.854097][ T5002] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 59.860166][ T5002] RIP: 0033:0x7f968668d727 [ 59.864581][ 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 [ 59.884277][ T5002] RSP: 002b:00007ffefdf6a938 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 59.893828][ T5002] RAX: ffffffffffffffda RBX: 00007ffefdf6af78 RCX: 00007f968668d727 [ 59.901810][ T5002] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000040000000 [ 59.909780][ T5002] RBP: 00000000ffffffff R08: 0000000000000000 R09: 0000000000000000 [ 59.917762][ T5002] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000003 [ 59.925990][ T5002] R13: 00007ffefdf6aa10 R14: 00007f96867ac9d8 R15: 000000000000000c [ 59.934362][ T5002] [ 59.937620][ T5002] Kernel Offset: disabled [ 59.942050][ T5002] Rebooting in 86400 seconds..