Warning: Permanently added '10.128.0.53' (ECDSA) to the list of known hosts. 2021/05/07 09:49:13 fuzzer started 2021/05/07 09:49:13 connecting to host at 10.128.0.169:37497 2021/05/07 09:49:13 checking machine... 2021/05/07 09:49:13 checking revisions... 2021/05/07 09:49:13 testing simple program... syzkaller login: [ 94.391596][ T37] audit: type=1400 audit(1620380954.078:8): avc: denied { execmem } for pid=8433 comm="syz-executor.0" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=process permissive=1 [ 95.883264][ T8434] chnl_net:caif_netlink_parms(): no params data found [ 95.976990][ T8434] bridge0: port 1(bridge_slave_0) entered blocking state [ 95.985277][ T8434] bridge0: port 1(bridge_slave_0) entered disabled state [ 95.994739][ T8434] device bridge_slave_0 entered promiscuous mode [ 96.005519][ T8434] bridge0: port 2(bridge_slave_1) entered blocking state [ 96.013690][ T8434] bridge0: port 2(bridge_slave_1) entered disabled state [ 96.023342][ T8434] device bridge_slave_1 entered promiscuous mode [ 96.046489][ T8434] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 96.057948][ T8434] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 96.084427][ T8434] team0: Port device team_slave_0 added [ 96.092756][ T8434] team0: Port device team_slave_1 added [ 96.114957][ T8434] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 96.123310][ T8434] batman_adv: batadv0: The MTU of interface batadv_slave_0 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 96.150763][ T8434] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 96.164375][ T8434] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 96.171794][ T8434] batman_adv: batadv0: The MTU of interface batadv_slave_1 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 96.199138][ T8434] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 96.228713][ T8434] device hsr_slave_0 entered promiscuous mode [ 96.237358][ T8434] device hsr_slave_1 entered promiscuous mode [ 96.362751][ T8434] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 96.378093][ T8434] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 96.389248][ T8434] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 96.399824][ T8434] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 96.429848][ T8434] bridge0: port 2(bridge_slave_1) entered blocking state [ 96.437482][ T8434] bridge0: port 2(bridge_slave_1) entered forwarding state [ 96.446752][ T8434] bridge0: port 1(bridge_slave_0) entered blocking state [ 96.454288][ T8434] bridge0: port 1(bridge_slave_0) entered forwarding state [ 96.507400][ T8434] 8021q: adding VLAN 0 to HW filter on device bond0 [ 96.522673][ T3156] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 96.535905][ T3156] bridge0: port 1(bridge_slave_0) entered disabled state [ 96.545250][ T3156] bridge0: port 2(bridge_slave_1) entered disabled state [ 96.554069][ T3156] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 96.568044][ T8434] 8021q: adding VLAN 0 to HW filter on device team0 [ 96.580244][ T4840] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 96.589737][ T4840] bridge0: port 1(bridge_slave_0) entered blocking state [ 96.597107][ T4840] bridge0: port 1(bridge_slave_0) entered forwarding state [ 96.621038][ T4840] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 96.629633][ T4840] bridge0: port 2(bridge_slave_1) entered blocking state [ 96.636883][ T4840] bridge0: port 2(bridge_slave_1) entered forwarding state [ 96.647058][ T4840] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 96.664211][ T3794] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 96.672860][ T3794] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 96.683211][ T3794] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 96.696936][ T3156] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 96.709137][ T8434] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 96.731616][ T8653] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 96.739524][ T8653] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 96.754865][ T8434] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 96.777118][ T8653] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 96.801535][ T8653] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 96.812268][ T8653] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 96.821319][ T8653] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 96.830036][ T8434] device veth0_vlan entered promiscuous mode [ 96.847847][ T8434] device veth1_vlan entered promiscuous mode [ 96.875748][ T8653] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 96.887136][ T8653] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 96.901343][ T8434] device veth0_macvtap entered promiscuous mode [ 96.914977][ T8434] device veth1_macvtap entered promiscuous mode [ 96.934910][ T8434] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 96.944289][ T8653] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 96.954434][ T8653] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 96.963681][ T8653] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 96.973750][ T8653] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 96.988819][ T8434] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 96.996962][ T3794] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 97.006382][ T3794] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 97.022830][ T8434] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 executing program [ 97.032946][ T8434] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 97.050630][ T8434] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 97.059514][ T8434] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 97.158374][ T179] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 97.210036][ T179] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 97.218221][ T9] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 97.228716][ T9] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 97.240554][ T8653] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 97.252665][ T3794] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready 2021/05/07 09:49:17 building call list... [ 98.060361][ T179] ------------[ cut here ]------------ [ 98.066602][ T179] hook not found, pf 3 num 0 [ 98.067217][ T179] WARNING: CPU: 1 PID: 179 at net/netfilter/core.c:480 __nf_unregister_net_hook+0x1eb/0x610 [ 98.084459][ T179] Modules linked in: [ 98.088542][ T179] CPU: 1 PID: 179 Comm: kworker/u4:4 Not tainted 5.12.0-syzkaller #0 [ 98.098290][ T179] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 98.110460][ T179] Workqueue: netns cleanup_net [ 98.115622][ T179] RIP: 0010:__nf_unregister_net_hook+0x1eb/0x610 [ 98.123876][ T179] Code: 0f b6 14 02 48 89 c8 83 e0 07 83 c0 03 38 d0 7c 08 84 d2 0f 85 11 04 00 00 8b 53 1c 89 ee 48 c7 c7 c0 0f 6e 8a e8 72 40 8a 01 <0f> 0b e9 e5 00 00 00 e8 c9 ed 29 fa 44 8b 3c 24 4c 89 f8 48 c1 e0 [ 98.151048][ T179] RSP: 0018:ffffc900016c7bc0 EFLAGS: 00010286 [ 98.157346][ T179] RAX: 0000000000000000 RBX: ffff888147bac000 RCX: 0000000000000000 [ 98.166933][ T179] RDX: ffff8880143be080 RSI: ffffffff815bfe35 RDI: fffff520002d8f6a [ 98.177175][ T179] RBP: 0000000000000003 R08: 0000000000000000 R09: 0000000000000000 [ 98.186591][ T179] R10: ffffffff815b9c6e R11: 0000000000000000 R12: ffff88802e114f60 [ 98.196297][ T179] R13: 0000000000000000 R14: ffff888016e16580 R15: 0000000000000001 [ 98.205536][ T179] FS: 0000000000000000(0000) GS:ffff8880b9d00000(0000) knlGS:0000000000000000 [ 98.217761][ T179] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 98.225450][ T179] CR2: 00007f7116f91000 CR3: 000000002a720000 CR4: 00000000001506e0 [ 98.234845][ T179] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 98.244365][ T179] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 98.253587][ T179] Call Trace: [ 98.257306][ T179] nf_unregister_net_hooks+0x117/0x160 [ 98.264457][ T179] arpt_unregister_table_pre_exit+0x67/0x80 [ 98.271681][ T179] ? arptable_filter_net_exit+0x20/0x20 [ 98.277819][ T179] cleanup_net+0x451/0xb10 [ 98.284144][ T179] ? ops_free_list.part.0+0x3d0/0x3d0 [ 98.291020][ T179] process_one_work+0x98d/0x1600 [ 98.296169][ T179] ? pwq_dec_nr_in_flight+0x320/0x320 [ 98.304226][ T179] ? rwlock_bug.part.0+0x90/0x90 [ 98.311435][ T179] ? _raw_spin_lock_irq+0x41/0x50 [ 98.316681][ T179] worker_thread+0x64c/0x1120 [ 98.323182][ T179] ? process_one_work+0x1600/0x1600 [ 98.328972][ T179] kthread+0x3b1/0x4a0 [ 98.335213][ T179] ? kthread_create_worker_on_cpu+0xf0/0xf0 [ 98.342638][ T179] ret_from_fork+0x1f/0x30 [ 98.347299][ T179] Kernel panic - not syncing: panic_on_warn set ... [ 98.354113][ T179] CPU: 1 PID: 179 Comm: kworker/u4:4 Not tainted 5.12.0-syzkaller #0 [ 98.362303][ T179] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 98.373076][ T179] Workqueue: netns cleanup_net [ 98.377854][ T179] Call Trace: [ 98.381221][ T179] dump_stack+0x141/0x1d7 [ 98.385554][ T179] panic+0x306/0x73d [ 98.389447][ T179] ? __warn_printk+0xf3/0xf3 [ 98.394208][ T179] ? __warn.cold+0x1a/0x44 [ 98.398641][ T179] ? __nf_unregister_net_hook+0x1eb/0x610 [ 98.404563][ T179] __warn.cold+0x35/0x44 [ 98.408900][ T179] ? __nf_unregister_net_hook+0x1eb/0x610 [ 98.414730][ T179] report_bug+0x1bd/0x210 [ 98.419252][ T179] handle_bug+0x3c/0x60 [ 98.423681][ T179] exc_invalid_op+0x14/0x40 [ 98.428184][ T179] asm_exc_invalid_op+0x12/0x20 [ 98.433503][ T179] RIP: 0010:__nf_unregister_net_hook+0x1eb/0x610 [ 98.440008][ T179] Code: 0f b6 14 02 48 89 c8 83 e0 07 83 c0 03 38 d0 7c 08 84 d2 0f 85 11 04 00 00 8b 53 1c 89 ee 48 c7 c7 c0 0f 6e 8a e8 72 40 8a 01 <0f> 0b e9 e5 00 00 00 e8 c9 ed 29 fa 44 8b 3c 24 4c 89 f8 48 c1 e0 [ 98.460148][ T179] RSP: 0018:ffffc900016c7bc0 EFLAGS: 00010286 [ 98.466840][ T179] RAX: 0000000000000000 RBX: ffff888147bac000 RCX: 0000000000000000 [ 98.474903][ T179] RDX: ffff8880143be080 RSI: ffffffff815bfe35 RDI: fffff520002d8f6a [ 98.482963][ T179] RBP: 0000000000000003 R08: 0000000000000000 R09: 0000000000000000 [ 98.491015][ T179] R10: ffffffff815b9c6e R11: 0000000000000000 R12: ffff88802e114f60 [ 98.499762][ T179] R13: 0000000000000000 R14: ffff888016e16580 R15: 0000000000000001 [ 98.507735][ T179] ? wake_up_klogd.part.0+0x8e/0xd0 [ 98.513244][ T179] ? vprintk+0x95/0x260 [ 98.517719][ T179] nf_unregister_net_hooks+0x117/0x160 [ 98.523205][ T179] arpt_unregister_table_pre_exit+0x67/0x80 [ 98.529212][ T179] ? arptable_filter_net_exit+0x20/0x20 [ 98.534772][ T179] cleanup_net+0x451/0xb10 [ 98.539453][ T179] ? ops_free_list.part.0+0x3d0/0x3d0 [ 98.545039][ T179] process_one_work+0x98d/0x1600 [ 98.550354][ T179] ? pwq_dec_nr_in_flight+0x320/0x320 [ 98.555914][ T179] ? rwlock_bug.part.0+0x90/0x90 [ 98.560938][ T179] ? _raw_spin_lock_irq+0x41/0x50 [ 98.566263][ T179] worker_thread+0x64c/0x1120 [ 98.571204][ T179] ? process_one_work+0x1600/0x1600 [ 98.576848][ T179] kthread+0x3b1/0x4a0 [ 98.580938][ T179] ? kthread_create_worker_on_cpu+0xf0/0xf0 [ 98.587135][ T179] ret_from_fork+0x1f/0x30 [ 98.593535][ T179] Kernel Offset: disabled [ 98.598245][ T179] Rebooting in 86400 seconds..