forked to background, child pid 4670
[ 33.798967][ T4671] 8021q: adding VLAN 0 to HW filter on device bond0
[ 33.815350][ T4671] eql: remember to turn off Van-Jacobson compression on your slave devices
Starting sshd: [ 34.153168][ T4746] sshd (4746) used greatest stack depth: 22648 bytes left
OK
syzkaller
Warning: Permanently added '10.128.0.193' (ECDSA) to the list of known hosts.
2023/05/16 15:59:51 fuzzer started
2023/05/16 15:59:51 connecting to host at 10.128.0.169:37521
2023/05/16 15:59:51 checking machine...
2023/05/16 15:59:51 checking revisions...
2023/05/16 15:59:51 testing simple program...
syzkaller login: [ 54.025361][ T5002] cgroup: Unknown subsys name 'net'
[ 54.184052][ T5002] cgroup: Unknown subsys name 'rlimit'
[ 54.329718][ T4993] memfd_create() without MFD_EXEC nor MFD_NOEXEC_SEAL, pid=4993 'syz-fuzzer'
[ 54.455587][ T5006] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1
[ 54.463647][ T5006] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9
[ 54.471271][ T5006] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9
[ 54.479739][ T5006] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4
[ 54.487448][ T5006] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3
[ 54.495014][ T5006] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2
[ 54.524862][ T5004] ------------[ cut here ]------------
[ 54.530449][ T5004] sysctl net/ipv4/ipfrag_low_thresh: data points to kernel global data: ipfrag_low_thresh_unused
[ 54.542109][ T5004] WARNING: CPU: 0 PID: 5004 at net/sysctl_net.c:155 register_net_sysctl+0x207/0x3c0
[ 54.551759][ T5004] Modules linked in:
[ 54.555721][ T5004] CPU: 0 PID: 5004 Comm: syz-executor.0 Not tainted 6.4.0-rc1-syzkaller-00240-ge641577eb6e8 #0
[ 54.566117][ T5004] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/28/2023
[ 54.576642][ T5004] RIP: 0010:register_net_sysctl+0x207/0x3c0
[ 54.582707][ 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
[ 54.603386][ T5004] RSP: 0018:ffffc90003abfbf8 EFLAGS: 00010286
[ 54.609513][ T5004] RAX: 0000000000000000 RBX: ffff888027408454 RCX: 0000000000000000
[ 54.617675][ T5004] RDX: ffff88802c0f0000 RSI: ffffffff814c03e7 RDI: 0000000000000001
[ 54.625746][ T5004] RBP: dffffc0000000000 R08: 0000000000000001 R09: 0000000000000000
[ 54.633978][ T5004] R10: 0000000000000001 R11: 0000000000000001 R12: ffff888027408448
[ 54.641971][ T5004] R13: ffffffff8b850040 R14: 0000000000000000 R15: ffffffff8b694ce0
[ 54.650023][ T5004] FS: 0000555556ba4400(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000
[ 54.659040][ T5004] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 54.665775][ T5004] CR2: 000055c074b4abc8 CR3: 0000000070a74000 CR4: 00000000003506f0
[ 54.673790][ T5004] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 54.682196][ T5004] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 54.690881][ T5004] Call Trace:
[ 54.694226][ T5004]
[ 54.697207][ T5004] ? ip4_frag_init+0x380/0x380
[ 54.702007][ T5004] ipv4_frags_init_net+0x269/0x430
[ 54.707208][ T5004] ops_init+0xb9/0x6b0
[ 54.711331][ T5004] setup_net+0x5d1/0xc50
[ 54.715767][ T5004] ? ops_init+0x6b0/0x6b0
[ 54.720128][ T5004] copy_net_ns+0x4ee/0x8e0
[ 54.724723][ T5004] create_new_namespaces+0x3f6/0xb20
[ 54.730061][ T5004] unshare_nsproxy_namespaces+0xc1/0x1f0
[ 54.735757][ T5004] ksys_unshare+0x449/0x920
[ 54.740294][ T5004] ? unshare_fd+0x1c0/0x1c0
[ 54.744870][ T5004] ? unlock_page_memcg+0x2d0/0x2d0
[ 54.750010][ T5004] ? syscall_enter_from_user_mode+0x26/0x80
[ 54.755955][ T5004] __x64_sys_unshare+0x31/0x40
[ 54.760748][ T5004] do_syscall_64+0x39/0xb0
[ 54.765253][ T5004] entry_SYSCALL_64_after_hwframe+0x63/0xcd
[ 54.771263][ T5004] RIP: 0033:0x7f953b88d727
[ 54.775929][ 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
[ 54.795898][ T5004] RSP: 002b:00007ffc1b500f08 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[ 54.804374][ T5004] RAX: ffffffffffffffda RBX: 00007ffc1b501548 RCX: 00007f953b88d727
[ 54.813385][ T5004] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000040000000
[ 54.821580][ T5004] RBP: 00000000ffffffff R08: 0000000000000000 R09: 0000000000000000
[ 54.829714][ T5004] R10: 0000000000000000 R11: 0000000000000206 R12: 0000000000000003
[ 54.837734][ T5004] R13: 00007ffc1b500fe0 R14: 00007f953b9ac9d8 R15: 000000000000000c
[ 54.845771][ T5004]
[ 54.848889][ T5004] Kernel panic - not syncing: kernel: panic_on_warn set ...
[ 54.856349][ T5004] CPU: 0 PID: 5004 Comm: syz-executor.0 Not tainted 6.4.0-rc1-syzkaller-00240-ge641577eb6e8 #0
[ 54.866768][ T5004] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/28/2023
[ 54.876905][ T5004] Call Trace:
[ 54.880201][ T5004]
[ 54.883383][ T5004] dump_stack_lvl+0xd9/0x150
[ 54.888411][ T5004] panic+0x686/0x730
[ 54.892388][ T5004] ? panic_smp_self_stop+0xa0/0xa0
[ 54.897626][ T5004] ? show_trace_log_lvl+0x285/0x390
[ 54.902839][ T5004] ? register_net_sysctl+0x207/0x3c0
[ 54.908207][ T5004] check_panic_on_warn+0xb1/0xc0
[ 54.913146][ T5004] __warn+0xf2/0x390
[ 54.917123][ T5004] ? preempt_schedule_notrace+0x5f/0xd0
[ 54.922833][ T5004] ? register_net_sysctl+0x207/0x3c0
[ 54.928211][ T5004] report_bug+0x2da/0x500
[ 54.932639][ T5004] handle_bug+0x3c/0x70
[ 54.936901][ T5004] exc_invalid_op+0x18/0x50
[ 54.941510][ T5004] asm_exc_invalid_op+0x1a/0x20
[ 54.948300][ T5004] RIP: 0010:register_net_sysctl+0x207/0x3c0
[ 54.954404][ 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
[ 54.974390][ T5004] RSP: 0018:ffffc90003abfbf8 EFLAGS: 00010286
[ 54.980652][ T5004] RAX: 0000000000000000 RBX: ffff888027408454 RCX: 0000000000000000
[ 54.988735][ T5004] RDX: ffff88802c0f0000 RSI: ffffffff814c03e7 RDI: 0000000000000001
[ 54.996711][ T5004] RBP: dffffc0000000000 R08: 0000000000000001 R09: 0000000000000000
[ 55.004684][ T5004] R10: 0000000000000001 R11: 0000000000000001 R12: ffff888027408448
[ 55.012656][ T5004] R13: ffffffff8b850040 R14: 0000000000000000 R15: ffffffff8b694ce0
[ 55.020835][ T5004] ? __warn_printk+0x187/0x310
[ 55.025631][ T5004] ? register_net_sysctl+0x207/0x3c0
[ 55.030948][ T5004] ? ip4_frag_init+0x380/0x380
[ 55.035737][ T5004] ipv4_frags_init_net+0x269/0x430
[ 55.040979][ T5004] ops_init+0xb9/0x6b0
[ 55.045107][ T5004] setup_net+0x5d1/0xc50
[ 55.049386][ T5004] ? ops_init+0x6b0/0x6b0
[ 55.053749][ T5004] copy_net_ns+0x4ee/0x8e0
[ 55.058181][ T5004] create_new_namespaces+0x3f6/0xb20
[ 55.063500][ T5004] unshare_nsproxy_namespaces+0xc1/0x1f0
[ 55.069157][ T5004] ksys_unshare+0x449/0x920
[ 55.073676][ T5004] ? unshare_fd+0x1c0/0x1c0
[ 55.078280][ T5004] ? unlock_page_memcg+0x2d0/0x2d0
[ 55.083765][ T5004] ? syscall_enter_from_user_mode+0x26/0x80
[ 55.089676][ T5004] __x64_sys_unshare+0x31/0x40
[ 55.094456][ T5004] do_syscall_64+0x39/0xb0
[ 55.099071][ T5004] entry_SYSCALL_64_after_hwframe+0x63/0xcd
[ 55.104981][ T5004] RIP: 0033:0x7f953b88d727
[ 55.109503][ 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
[ 55.129118][ T5004] RSP: 002b:00007ffc1b500f08 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[ 55.137798][ T5004] RAX: ffffffffffffffda RBX: 00007ffc1b501548 RCX: 00007f953b88d727
[ 55.145772][ T5004] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000040000000
[ 55.153833][ T5004] RBP: 00000000ffffffff R08: 0000000000000000 R09: 0000000000000000
[ 55.161805][ T5004] R10: 0000000000000000 R11: 0000000000000206 R12: 0000000000000003
[ 55.169782][ T5004] R13: 00007ffc1b500fe0 R14: 00007f953b9ac9d8 R15: 000000000000000c
[ 55.177862][ T5004]
[ 55.181045][ T5004] Kernel Offset: disabled
[ 55.185460][ T5004] Rebooting in 86400 seconds..