forked to background, child pid 4670
[ 34.090646][ T4671] 8021q: adding VLAN 0 to HW filter on device bond0
[ 34.100681][ T4671] eql: remember to turn off Van-Jacobson compression on your slave devices
Starting sshd: [ 34.414373][ T4746] sshd (4746) used greatest stack depth: 22672 bytes left
OK
syzkaller
Warning: Permanently added '10.128.1.86' (ECDSA) to the list of known hosts.
2023/05/16 15:36:32 fuzzer started
2023/05/16 15:36:32 connecting to host at 10.128.0.169:39261
2023/05/16 15:36:32 checking machine...
2023/05/16 15:36:32 checking revisions...
2023/05/16 15:36:32 testing simple program...
syzkaller login: [ 55.632290][ T5001] cgroup: Unknown subsys name 'net'
[ 55.766182][ T5001] cgroup: Unknown subsys name 'rlimit'
[ 55.901689][ T4999] memfd_create() without MFD_EXEC nor MFD_NOEXEC_SEAL, pid=4999 'syz-fuzzer'
[ 56.033670][ T47] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1
[ 56.041988][ T47] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9
[ 56.049733][ T47] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9
[ 56.057738][ T47] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4
[ 56.065598][ T47] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3
[ 56.072848][ T47] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2
[ 56.104998][ T5003] ------------[ cut here ]------------
[ 56.110562][ T5003] sysctl net/ipv4/ipfrag_low_thresh: data points to kernel global data: ipfrag_low_thresh_unused
[ 56.121765][ T5003] WARNING: CPU: 0 PID: 5003 at net/sysctl_net.c:155 register_net_sysctl+0x207/0x3c0
[ 56.131217][ T5003] Modules linked in:
[ 56.135150][ T5003] CPU: 0 PID: 5003 Comm: syz-executor.0 Not tainted 6.4.0-rc2-next-20230516-syzkaller #0
[ 56.145045][ T5003] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/28/2023
[ 56.155138][ T5003] RIP: 0010:register_net_sysctl+0x207/0x3c0
[ 56.161058][ T5003] 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
[ 56.180719][ T5003] RSP: 0018:ffffc9000488fbf8 EFLAGS: 00010286
[ 56.186848][ T5003] RAX: 0000000000000000 RBX: ffff888020bb4454 RCX: 0000000000000000
[ 56.194896][ T5003] RDX: ffff88807e1d9dc0 RSI: ffffffff814bd247 RDI: 0000000000000001
[ 56.202889][ T5003] RBP: dffffc0000000000 R08: 0000000000000001 R09: 0000000000000000
[ 56.210920][ T5003] R10: 0000000000000000 R11: 0000000000000001 R12: ffff888020bb4448
[ 56.218977][ T5003] R13: ffffffff8b859740 R14: 0000000000000000 R15: ffffffff8b69e220
[ 56.226994][ T5003] FS: 0000555555b1d400(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000
[ 56.235970][ T5003] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 56.242543][ T5003] CR2: 00007f988dcd4620 CR3: 0000000070917000 CR4: 00000000003506f0
[ 56.250544][ T5003] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 56.258548][ T5003] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 56.266560][ T5003] Call Trace:
[ 56.269852][ T5003]
[ 56.272778][ T5003] ? ip4_frag_init+0x380/0x380
[ 56.277586][ T5003] ipv4_frags_init_net+0x269/0x430
[ 56.282831][ T5003] ops_init+0xb9/0x6b0
[ 56.286950][ T5003] setup_net+0x5d1/0xc50
[ 56.291236][ T5003] ? down_read_killable+0x14a/0x4f0
[ 56.296478][ T5003] ? ops_init+0x6b0/0x6b0
[ 56.300836][ T5003] copy_net_ns+0x4ee/0x8e0
[ 56.305301][ T5003] create_new_namespaces+0x3f6/0xb20
[ 56.310629][ T5003] unshare_nsproxy_namespaces+0xc1/0x1f0
[ 56.316486][ T5003] ksys_unshare+0x449/0x920
[ 56.321020][ T5003] ? unshare_fd+0x1c0/0x1c0
[ 56.325594][ T5003] ? unlock_page_memcg+0x3b0/0x3b0
[ 56.330737][ T5003] ? syscall_enter_from_user_mode+0x26/0x80
[ 56.336730][ T5003] __x64_sys_unshare+0x31/0x40
[ 56.341518][ T5003] do_syscall_64+0x39/0xb0
[ 56.345974][ T5003] entry_SYSCALL_64_after_hwframe+0x63/0xcd
[ 56.351883][ T5003] RIP: 0033:0x7f988d08d727
[ 56.356338][ T5003] 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
[ 56.375995][ T5003] RSP: 002b:00007ffee7d490d8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[ 56.384475][ T5003] RAX: ffffffffffffffda RBX: 00007ffee7d49718 RCX: 00007f988d08d727
[ 56.392475][ T5003] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000040000000
[ 56.400481][ T5003] RBP: 00000000ffffffff R08: 0000000000000000 R09: 0000000000000000
[ 56.408499][ T5003] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000003
[ 56.416526][ T5003] R13: 00007ffee7d491b0 R14: 00007f988d1ac9d8 R15: 000000000000000c
[ 56.424542][ T5003]
[ 56.427555][ T5003] Kernel panic - not syncing: kernel: panic_on_warn set ...
[ 56.434857][ T5003] CPU: 0 PID: 5003 Comm: syz-executor.0 Not tainted 6.4.0-rc2-next-20230516-syzkaller #0
[ 56.444660][ T5003] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/28/2023
[ 56.454713][ T5003] Call Trace:
[ 56.457989][ T5003]
[ 56.460917][ T5003] dump_stack_lvl+0xd9/0x150
[ 56.465518][ T5003] panic+0x686/0x730
[ 56.469427][ T5003] ? panic_smp_self_stop+0xa0/0xa0
[ 56.474557][ T5003] ? show_trace_log_lvl+0x285/0x390
[ 56.479815][ T5003] ? register_net_sysctl+0x207/0x3c0
[ 56.485111][ T5003] check_panic_on_warn+0xb1/0xc0
[ 56.490070][ T5003] __warn+0xf2/0x390
[ 56.493978][ T5003] ? __wake_up_klogd.part.0+0x99/0xf0
[ 56.499364][ T5003] ? register_net_sysctl+0x207/0x3c0
[ 56.504668][ T5003] report_bug+0x2da/0x500
[ 56.509029][ T5003] handle_bug+0x3c/0x70
[ 56.513193][ T5003] exc_invalid_op+0x18/0x50
[ 56.517705][ T5003] asm_exc_invalid_op+0x1a/0x20
[ 56.522562][ T5003] RIP: 0010:register_net_sysctl+0x207/0x3c0
[ 56.528476][ T5003] 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
[ 56.548099][ T5003] RSP: 0018:ffffc9000488fbf8 EFLAGS: 00010286
[ 56.554178][ T5003] RAX: 0000000000000000 RBX: ffff888020bb4454 RCX: 0000000000000000
[ 56.562174][ T5003] RDX: ffff88807e1d9dc0 RSI: ffffffff814bd247 RDI: 0000000000000001
[ 56.570154][ T5003] RBP: dffffc0000000000 R08: 0000000000000001 R09: 0000000000000000
[ 56.578128][ T5003] R10: 0000000000000000 R11: 0000000000000001 R12: ffff888020bb4448
[ 56.586102][ T5003] R13: ffffffff8b859740 R14: 0000000000000000 R15: ffffffff8b69e220
[ 56.594081][ T5003] ? __warn_printk+0x187/0x310
[ 56.598869][ T5003] ? register_net_sysctl+0x207/0x3c0
[ 56.604252][ T5003] ? ip4_frag_init+0x380/0x380
[ 56.609028][ T5003] ipv4_frags_init_net+0x269/0x430
[ 56.614163][ T5003] ops_init+0xb9/0x6b0
[ 56.618254][ T5003] setup_net+0x5d1/0xc50
[ 56.622524][ T5003] ? down_read_killable+0x14a/0x4f0
[ 56.627753][ T5003] ? ops_init+0x6b0/0x6b0
[ 56.632110][ T5003] copy_net_ns+0x4ee/0x8e0
[ 56.636550][ T5003] create_new_namespaces+0x3f6/0xb20
[ 56.641873][ T5003] unshare_nsproxy_namespaces+0xc1/0x1f0
[ 56.647535][ T5003] ksys_unshare+0x449/0x920
[ 56.652074][ T5003] ? unshare_fd+0x1c0/0x1c0
[ 56.656600][ T5003] ? unlock_page_memcg+0x3b0/0x3b0
[ 56.661725][ T5003] ? syscall_enter_from_user_mode+0x26/0x80
[ 56.667646][ T5003] __x64_sys_unshare+0x31/0x40
[ 56.672423][ T5003] do_syscall_64+0x39/0xb0
[ 56.676870][ T5003] entry_SYSCALL_64_after_hwframe+0x63/0xcd
[ 56.682767][ T5003] RIP: 0033:0x7f988d08d727
[ 56.687183][ T5003] 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
[ 56.706793][ T5003] RSP: 002b:00007ffee7d490d8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[ 56.715209][ T5003] RAX: ffffffffffffffda RBX: 00007ffee7d49718 RCX: 00007f988d08d727
[ 56.723178][ T5003] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000040000000
[ 56.731255][ T5003] RBP: 00000000ffffffff R08: 0000000000000000 R09: 0000000000000000
[ 56.739233][ T5003] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000003
[ 56.747218][ T5003] R13: 00007ffee7d491b0 R14: 00007f988d1ac9d8 R15: 000000000000000c
[ 56.755210][ T5003]
[ 56.758374][ T5003] Kernel Offset: disabled
[ 56.762812][ T5003] Rebooting in 86400 seconds..