Warning: Permanently added '10.128.0.140' (ECDSA) to the list of known hosts.
2023/05/16 11:41:57 fuzzer started
2023/05/16 11:41:57 connecting to host at 10.128.0.169:32793
2023/05/16 11:41:57 checking machine...
2023/05/16 11:41:57 checking revisions...
2023/05/16 11:41:58 testing simple program...
syzkaller login: [ 56.566604][ T5009] cgroup: Unknown subsys name 'net'
[ 56.705686][ T5009] cgroup: Unknown subsys name 'rlimit'
[ 56.861176][ T5007] memfd_create() without MFD_EXEC nor MFD_NOEXEC_SEAL, pid=5007 'syz-fuzzer'
[ 56.982023][ T5014] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1
[ 56.990812][ T5014] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9
[ 56.998491][ T5014] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9
[ 57.006938][ T5014] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4
[ 57.014689][ T5014] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3
[ 57.022102][ T5014] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2
[ 57.049481][ T5011] ------------[ cut here ]------------
[ 57.055191][ T5011] sysctl net/ipv4/ipfrag_low_thresh: data points to kernel global data: ipfrag_low_thresh_unused
[ 57.066572][ T5011] WARNING: CPU: 1 PID: 5011 at net/sysctl_net.c:155 register_net_sysctl+0x207/0x3c0
[ 57.076059][ T5011] Modules linked in:
[ 57.079965][ T5011] CPU: 1 PID: 5011 Comm: syz-executor.0 Not tainted 6.4.0-rc1-syzkaller-00234-g8b33485128ad #0
[ 57.090434][ T5011] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/28/2023
[ 57.100649][ T5011] RIP: 0010:register_net_sysctl+0x207/0x3c0
[ 57.106623][ T5011] 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
[ 57.126404][ T5011] RSP: 0018:ffffc9000402fbf8 EFLAGS: 00010286
[ 57.132496][ T5011] RAX: 0000000000000000 RBX: ffff88802a039454 RCX: 0000000000000000
[ 57.140608][ T5011] RDX: ffff8880183e0000 RSI: ffffffff814c03e7 RDI: 0000000000000001
[ 57.148646][ T5011] RBP: dffffc0000000000 R08: 0000000000000001 R09: 0000000000000000
[ 57.156671][ T5011] R10: 0000000000000001 R11: 0000000000000001 R12: ffff88802a039448
[ 57.164698][ T5011] R13: ffffffff8b850040 R14: 0000000000000000 R15: ffffffff8b694ce0
[ 57.172671][ T5011] FS: 0000555556091400(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000
[ 57.181644][ T5011] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 57.188380][ T5011] CR2: 00007f5417ad4620 CR3: 00000000700d0000 CR4: 00000000003506e0
[ 57.196413][ T5011] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 57.204469][ T5011] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 57.212534][ T5011] Call Trace:
[ 57.215862][ T5011]
[ 57.218810][ T5011] ? ip4_frag_init+0x380/0x380
[ 57.223630][ T5011] ipv4_frags_init_net+0x269/0x430
[ 57.228773][ T5011] ops_init+0xb9/0x6b0
[ 57.232846][ T5011] setup_net+0x5d1/0xc50
[ 57.237171][ T5011] ? ops_init+0x6b0/0x6b0
[ 57.241634][ T5011] copy_net_ns+0x4ee/0x8e0
[ 57.246134][ T5011] create_new_namespaces+0x3f6/0xb20
[ 57.251468][ T5011] unshare_nsproxy_namespaces+0xc1/0x1f0
[ 57.257196][ T5011] ksys_unshare+0x449/0x920
[ 57.261728][ T5011] ? unshare_fd+0x1c0/0x1c0
[ 57.266296][ T5011] ? unlock_page_memcg+0x2d0/0x2d0
[ 57.271544][ T5011] ? syscall_enter_from_user_mode+0x26/0x80
[ 57.277614][ T5011] __x64_sys_unshare+0x31/0x40
[ 57.282502][ T5011] do_syscall_64+0x39/0xb0
[ 57.286999][ T5011] entry_SYSCALL_64_after_hwframe+0x63/0xcd
[ 57.292927][ T5011] RIP: 0033:0x7f5416e8d727
[ 57.297619][ T5011] 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
[ 57.317379][ T5011] RSP: 002b:00007ffc0c44ccd8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[ 57.325859][ T5011] RAX: ffffffffffffffda RBX: 00007ffc0c44d318 RCX: 00007f5416e8d727
[ 57.333888][ T5011] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000040000000
[ 57.342021][ T5011] RBP: 00000000ffffffff R08: 0000000000000000 R09: 0000000000000000
[ 57.350103][ T5011] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000003
[ 57.358166][ T5011] R13: 00007ffc0c44cdb0 R14: 00007f5416fac9d8 R15: 000000000000000c
[ 57.366248][ T5011]
[ 57.369279][ T5011] Kernel panic - not syncing: kernel: panic_on_warn set ...
[ 57.376650][ T5011] CPU: 1 PID: 5011 Comm: syz-executor.0 Not tainted 6.4.0-rc1-syzkaller-00234-g8b33485128ad #0
[ 57.386992][ T5011] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/28/2023
[ 57.397046][ T5011] Call Trace:
[ 57.400320][ T5011]
[ 57.403266][ T5011] dump_stack_lvl+0xd9/0x150
[ 57.407870][ T5011] panic+0x686/0x730
[ 57.411767][ T5011] ? panic_smp_self_stop+0xa0/0xa0
[ 57.416893][ T5011] ? show_trace_log_lvl+0x285/0x390
[ 57.422116][ T5011] ? register_net_sysctl+0x207/0x3c0
[ 57.427408][ T5011] check_panic_on_warn+0xb1/0xc0
[ 57.432349][ T5011] __warn+0xf2/0x390
[ 57.436238][ T5011] ? preempt_schedule_notrace+0x5f/0xd0
[ 57.441773][ T5011] ? register_net_sysctl+0x207/0x3c0
[ 57.447048][ T5011] report_bug+0x2da/0x500
[ 57.451375][ T5011] handle_bug+0x3c/0x70
[ 57.455516][ T5011] exc_invalid_op+0x18/0x50
[ 57.460005][ T5011] asm_exc_invalid_op+0x1a/0x20
[ 57.464875][ T5011] RIP: 0010:register_net_sysctl+0x207/0x3c0
[ 57.470756][ T5011] 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
[ 57.490439][ T5011] RSP: 0018:ffffc9000402fbf8 EFLAGS: 00010286
[ 57.496514][ T5011] RAX: 0000000000000000 RBX: ffff88802a039454 RCX: 0000000000000000
[ 57.504493][ T5011] RDX: ffff8880183e0000 RSI: ffffffff814c03e7 RDI: 0000000000000001
[ 57.512457][ T5011] RBP: dffffc0000000000 R08: 0000000000000001 R09: 0000000000000000
[ 57.520417][ T5011] R10: 0000000000000001 R11: 0000000000000001 R12: ffff88802a039448
[ 57.528431][ T5011] R13: ffffffff8b850040 R14: 0000000000000000 R15: ffffffff8b694ce0
[ 57.536408][ T5011] ? __warn_printk+0x187/0x310
[ 57.541274][ T5011] ? register_net_sysctl+0x207/0x3c0
[ 57.546552][ T5011] ? ip4_frag_init+0x380/0x380
[ 57.551332][ T5011] ipv4_frags_init_net+0x269/0x430
[ 57.556453][ T5011] ops_init+0xb9/0x6b0
[ 57.560519][ T5011] setup_net+0x5d1/0xc50
[ 57.564756][ T5011] ? ops_init+0x6b0/0x6b0
[ 57.569082][ T5011] copy_net_ns+0x4ee/0x8e0
[ 57.573595][ T5011] create_new_namespaces+0x3f6/0xb20
[ 57.578901][ T5011] unshare_nsproxy_namespaces+0xc1/0x1f0
[ 57.584559][ T5011] ksys_unshare+0x449/0x920
[ 57.589067][ T5011] ? unshare_fd+0x1c0/0x1c0
[ 57.593567][ T5011] ? unlock_page_memcg+0x2d0/0x2d0
[ 57.598681][ T5011] ? syscall_enter_from_user_mode+0x26/0x80
[ 57.604569][ T5011] __x64_sys_unshare+0x31/0x40
[ 57.609340][ T5011] do_syscall_64+0x39/0xb0
[ 57.613748][ T5011] entry_SYSCALL_64_after_hwframe+0x63/0xcd
[ 57.619640][ T5011] RIP: 0033:0x7f5416e8d727
[ 57.624063][ T5011] 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
[ 57.643660][ T5011] RSP: 002b:00007ffc0c44ccd8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[ 57.652175][ T5011] RAX: ffffffffffffffda RBX: 00007ffc0c44d318 RCX: 00007f5416e8d727
[ 57.660233][ T5011] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000040000000
[ 57.668364][ T5011] RBP: 00000000ffffffff R08: 0000000000000000 R09: 0000000000000000
[ 57.676386][ T5011] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000003
[ 57.684344][ T5011] R13: 00007ffc0c44cdb0 R14: 00007f5416fac9d8 R15: 000000000000000c
[ 57.692410][ T5011]
[ 57.695694][ T5011] Kernel Offset: disabled
[ 57.700096][ T5011] Rebooting in 86400 seconds..