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
[ 34.781845][ T4671] 8021q: adding VLAN 0 to HW filter on device bond0
[ 34.792375][ T4671] eql: remember to turn off Van-Jacobson compression on your slave devices
Starting sshd: OK
syzkaller
Warning: Permanently added '10.128.0.22' (ECDSA) to the list of known hosts.
2023/05/15 21:06:23 fuzzer started
2023/05/15 21:06:23 connecting to host at 10.128.0.169:41211
2023/05/15 21:06:23 checking machine...
2023/05/15 21:06:23 checking revisions...
2023/05/15 21:06:23 testing simple program...
syzkaller login: [ 56.969333][ T5003] cgroup: Unknown subsys name 'net'
[ 57.157841][ T5003] cgroup: Unknown subsys name 'rlimit'
[ 57.254643][ T5001] memfd_create() without MFD_EXEC nor MFD_NOEXEC_SEAL, pid=5001 'syz-fuzzer'
[ 57.377950][ T5006] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1
[ 57.386023][ T5006] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9
[ 57.394114][ T5006] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9
[ 57.403029][ T5006] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4
[ 57.411226][ T5006] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3
[ 57.418831][ T5006] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2
[ 57.444245][ T5005] ------------[ cut here ]------------
[ 57.449841][ T5005] sysctl net/ipv4/ipfrag_low_thresh: data points to kernel global data: ipfrag_low_thresh_unused
[ 57.461390][ T5005] WARNING: CPU: 1 PID: 5005 at net/sysctl_net.c:155 register_net_sysctl+0x207/0x3c0
[ 57.471137][ T5005] Modules linked in:
[ 57.475047][ T5005] CPU: 1 PID: 5005 Comm: syz-executor.0 Not tainted 6.4.0-rc1-syzkaller-00233-g0d9b41daa590 #0
[ 57.485476][ T5005] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/28/2023
[ 57.495652][ T5005] RIP: 0010:register_net_sysctl+0x207/0x3c0
[ 57.501917][ T5005] 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
[ 57.521673][ T5005] RSP: 0018:ffffc90004a4fbf8 EFLAGS: 00010286
[ 57.527887][ T5005] RAX: 0000000000000000 RBX: ffff8880224e0454 RCX: 0000000000000000
[ 57.535886][ T5005] RDX: ffff88801573d940 RSI: ffffffff814c03e7 RDI: 0000000000000001
[ 57.544049][ T5005] RBP: dffffc0000000000 R08: 0000000000000001 R09: 0000000000000000
[ 57.552445][ T5005] R10: 0000000000000001 R11: 0000000000000001 R12: ffff8880224e0448
[ 57.560888][ T5005] R13: ffffffff8b850040 R14: 0000000000000000 R15: ffffffff8b694ce0
[ 57.568995][ T5005] FS: 0000555557173400(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000
[ 57.578025][ T5005] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 57.584639][ T5005] CR2: 00007f43fa2d4620 CR3: 0000000070d4b000 CR4: 00000000003506e0
[ 57.592703][ T5005] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 57.600803][ T5005] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 57.608941][ T5005] Call Trace:
[ 57.612274][ T5005]
[ 57.615273][ T5005] ? ip4_frag_init+0x380/0x380
[ 57.620154][ T5005] ipv4_frags_init_net+0x269/0x430
[ 57.625404][ T5005] ops_init+0xb9/0x6b0
[ 57.629565][ T5005] setup_net+0x5d1/0xc50
[ 57.633846][ T5005] ? ops_init+0x6b0/0x6b0
[ 57.638409][ T5005] copy_net_ns+0x4ee/0x8e0
[ 57.642855][ T5005] create_new_namespaces+0x3f6/0xb20
[ 57.648211][ T5005] unshare_nsproxy_namespaces+0xc1/0x1f0
[ 57.653882][ T5005] ksys_unshare+0x449/0x920
[ 57.658461][ T5005] ? unshare_fd+0x1c0/0x1c0
[ 57.663015][ T5005] ? unlock_page_memcg+0x2d0/0x2d0
[ 57.668212][ T5005] ? syscall_enter_from_user_mode+0x26/0x80
[ 57.674156][ T5005] __x64_sys_unshare+0x31/0x40
[ 57.679014][ T5005] do_syscall_64+0x39/0xb0
[ 57.683478][ T5005] entry_SYSCALL_64_after_hwframe+0x63/0xcd
[ 57.689429][ T5005] RIP: 0033:0x7f43f968d727
[ 57.693861][ T5005] 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
[ 57.713644][ T5005] RSP: 002b:00007ffdff9c6c48 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[ 57.722141][ T5005] RAX: ffffffffffffffda RBX: 00007ffdff9c7288 RCX: 00007f43f968d727
[ 57.730180][ T5005] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000040000000
[ 57.738211][ T5005] RBP: 00000000ffffffff R08: 0000000000000000 R09: 0000000000000000
[ 57.746402][ T5005] R10: 0000000000000000 R11: 0000000000000206 R12: 0000000000000003
[ 57.754432][ T5005] R13: 00007ffdff9c6d20 R14: 00007f43f97ac9d8 R15: 000000000000000c
[ 57.762489][ T5005]
[ 57.765526][ T5005] Kernel panic - not syncing: kernel: panic_on_warn set ...
[ 57.772820][ T5005] CPU: 1 PID: 5005 Comm: syz-executor.0 Not tainted 6.4.0-rc1-syzkaller-00233-g0d9b41daa590 #0
[ 57.783198][ T5005] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/28/2023
[ 57.793253][ T5005] Call Trace:
[ 57.796547][ T5005]
[ 57.799501][ T5005] dump_stack_lvl+0xd9/0x150
[ 57.804119][ T5005] panic+0x686/0x730
[ 57.808021][ T5005] ? panic_smp_self_stop+0xa0/0xa0
[ 57.813152][ T5005] ? show_trace_log_lvl+0x285/0x390
[ 57.818380][ T5005] ? register_net_sysctl+0x207/0x3c0
[ 57.823666][ T5005] check_panic_on_warn+0xb1/0xc0
[ 57.828635][ T5005] __warn+0xf2/0x390
[ 57.832541][ T5005] ? preempt_schedule_notrace+0x5f/0xd0
[ 57.838089][ T5005] ? register_net_sysctl+0x207/0x3c0
[ 57.843372][ T5005] report_bug+0x2da/0x500
[ 57.847741][ T5005] handle_bug+0x3c/0x70
[ 57.851906][ T5005] exc_invalid_op+0x18/0x50
[ 57.856487][ T5005] asm_exc_invalid_op+0x1a/0x20
[ 57.861658][ T5005] RIP: 0010:register_net_sysctl+0x207/0x3c0
[ 57.867683][ T5005] 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
[ 57.887328][ T5005] RSP: 0018:ffffc90004a4fbf8 EFLAGS: 00010286
[ 57.893423][ T5005] RAX: 0000000000000000 RBX: ffff8880224e0454 RCX: 0000000000000000
[ 57.901412][ T5005] RDX: ffff88801573d940 RSI: ffffffff814c03e7 RDI: 0000000000000001
[ 57.909410][ T5005] RBP: dffffc0000000000 R08: 0000000000000001 R09: 0000000000000000
[ 57.917633][ T5005] R10: 0000000000000001 R11: 0000000000000001 R12: ffff8880224e0448
[ 57.925744][ T5005] R13: ffffffff8b850040 R14: 0000000000000000 R15: ffffffff8b694ce0
[ 57.933758][ T5005] ? __warn_printk+0x187/0x310
[ 57.938555][ T5005] ? register_net_sysctl+0x207/0x3c0
[ 57.943964][ T5005] ? ip4_frag_init+0x380/0x380
[ 57.948771][ T5005] ipv4_frags_init_net+0x269/0x430
[ 57.953938][ T5005] ops_init+0xb9/0x6b0
[ 57.958153][ T5005] setup_net+0x5d1/0xc50
[ 57.962432][ T5005] ? ops_init+0x6b0/0x6b0
[ 57.966797][ T5005] copy_net_ns+0x4ee/0x8e0
[ 57.971226][ T5005] create_new_namespaces+0x3f6/0xb20
[ 57.976538][ T5005] unshare_nsproxy_namespaces+0xc1/0x1f0
[ 57.982191][ T5005] ksys_unshare+0x449/0x920
[ 57.986728][ T5005] ? unshare_fd+0x1c0/0x1c0
[ 57.991261][ T5005] ? unlock_page_memcg+0x2d0/0x2d0
[ 57.996433][ T5005] ? syscall_enter_from_user_mode+0x26/0x80
[ 58.002361][ T5005] __x64_sys_unshare+0x31/0x40
[ 58.007151][ T5005] do_syscall_64+0x39/0xb0
[ 58.011634][ T5005] entry_SYSCALL_64_after_hwframe+0x63/0xcd
[ 58.017687][ T5005] RIP: 0033:0x7f43f968d727
[ 58.022122][ T5005] 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
[ 58.041987][ T5005] RSP: 002b:00007ffdff9c6c48 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[ 58.050513][ T5005] RAX: ffffffffffffffda RBX: 00007ffdff9c7288 RCX: 00007f43f968d727
[ 58.058521][ T5005] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000040000000
[ 58.066628][ T5005] RBP: 00000000ffffffff R08: 0000000000000000 R09: 0000000000000000
[ 58.074655][ T5005] R10: 0000000000000000 R11: 0000000000000206 R12: 0000000000000003
[ 58.082747][ T5005] R13: 00007ffdff9c6d20 R14: 00007f43f97ac9d8 R15: 000000000000000c
[ 58.090750][ T5005]
[ 58.093986][ T5005] Kernel Offset: disabled
[ 58.098457][ T5005] Rebooting in 86400 seconds..