[ OK ] Listening on Load/Save RF Kill Switch Status /dev/rfkill Watch. [ OK ] Started Getty on tty6. [ OK ] Started Getty on tty5. [ OK ] Started Getty on tty4. [ OK ] Started Getty on tty3. [ OK ] Started Getty on tty2. [ OK ] Started Getty on tty1. [ OK ] Started Serial Getty on ttyS0. [ OK ] Reached target Login Prompts. [ OK ] Reached target Multi-User System. [ OK ] Reached target Graphical Interface. Starting Update UTMP about System Runlevel Changes... Starting Load/Save RF Kill Switch Status... [ OK ] Started Update UTMP about System Runlevel Changes. [ OK ] Started Load/Save RF Kill Switch Status. Debian GNU/Linux 9 syzkaller ttyS0 Warning: Permanently added '10.128.0.232' (ECDSA) to the list of known hosts. syzkaller login: [ 65.819511][ T29] audit: type=1400 audit(1591291771.038:8): avc: denied { execmem } for pid=6806 comm="syz-executor037" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=process permissive=1 [ 65.839958][ T6807] IPVS: ftp: loaded support on port[0] = 21 [ 65.940476][ T6807] chnl_net:caif_netlink_parms(): no params data found [ 65.991968][ T6807] bridge0: port 1(bridge_slave_0) entered blocking state [ 65.999877][ T6807] bridge0: port 1(bridge_slave_0) entered disabled state [ 66.009196][ T6807] device bridge_slave_0 entered promiscuous mode [ 66.018528][ T6807] bridge0: port 2(bridge_slave_1) entered blocking state [ 66.026167][ T6807] bridge0: port 2(bridge_slave_1) entered disabled state [ 66.033892][ T6807] device bridge_slave_1 entered promiscuous mode [ 66.056764][ T6807] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 66.067900][ T6807] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 66.090993][ T6807] team0: Port device team_slave_0 added [ 66.099782][ T6807] team0: Port device team_slave_1 added [ 66.118415][ T6807] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 66.125541][ T6807] 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. [ 66.151863][ T6807] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 66.164859][ T6807] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 66.171851][ T6807] 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. [ 66.198825][ T6807] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 66.268845][ T6807] device hsr_slave_0 entered promiscuous mode [ 66.325243][ T6807] device hsr_slave_1 entered promiscuous mode [ 66.479690][ T6807] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 66.538577][ T6807] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 66.597511][ T6807] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 66.656925][ T6807] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 66.712057][ T6807] bridge0: port 2(bridge_slave_1) entered blocking state [ 66.719249][ T6807] bridge0: port 2(bridge_slave_1) entered forwarding state [ 66.727580][ T6807] bridge0: port 1(bridge_slave_0) entered blocking state [ 66.734917][ T6807] bridge0: port 1(bridge_slave_0) entered forwarding state [ 66.782375][ T6807] 8021q: adding VLAN 0 to HW filter on device bond0 [ 66.796672][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 66.808308][ T17] bridge0: port 1(bridge_slave_0) entered disabled state [ 66.816677][ T17] bridge0: port 2(bridge_slave_1) entered disabled state [ 66.825208][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 66.839241][ T6807] 8021q: adding VLAN 0 to HW filter on device team0 [ 66.851306][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 66.860562][ T17] bridge0: port 1(bridge_slave_0) entered blocking state [ 66.867700][ T17] bridge0: port 1(bridge_slave_0) entered forwarding state [ 66.880158][ T2494] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 66.889204][ T2494] bridge0: port 2(bridge_slave_1) entered blocking state [ 66.896566][ T2494] bridge0: port 2(bridge_slave_1) entered forwarding state [ 66.912353][ T2571] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 66.924374][ T2494] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 66.933133][ T2494] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 66.943306][ T2494] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 66.953335][ T2571] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 66.964954][ T2571] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 66.978336][ T2494] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 66.986838][ T2494] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 66.998692][ T2571] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 67.007936][ T2571] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 67.019029][ T6807] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 67.043305][ T2494] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 67.050829][ T2494] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 67.065058][ T6807] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 67.084005][ T2571] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 67.092964][ T2571] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 67.113407][ T2494] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 67.122116][ T2494] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 67.133659][ T6807] device veth0_vlan entered promiscuous mode [ 67.141530][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 67.150326][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 67.163553][ T6807] device veth1_vlan entered promiscuous mode [ 67.185475][ T2571] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 67.193532][ T2571] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 67.202001][ T2571] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 67.210666][ T2571] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 67.222595][ T6807] device veth0_macvtap entered promiscuous mode [ 67.234080][ T6807] device veth1_macvtap entered promiscuous mode [ 67.253350][ T6807] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 67.261079][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 67.270362][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 67.279176][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 67.288028][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 67.300127][ T6807] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 67.308142][ T7015] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 67.317228][ T7015] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready executing program [ 67.565028][ T6807] infiniband syz0: set active [ 67.569942][ T6807] infiniband syz0: added syz_tun [ 67.633142][ T6807] general protection fault, probably for non-canonical address 0xdffffc000000008e: 0000 [#1] PREEMPT SMP KASAN [ 67.644883][ T6807] KASAN: null-ptr-deref in range [0x0000000000000470-0x0000000000000477] [ 67.653284][ T6807] CPU: 0 PID: 6807 Comm: syz-executor037 Not tainted 5.7.0-syzkaller #0 [ 67.661578][ T6807] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 67.671806][ T6807] RIP: 0010:rds_ib_add_one+0xbb/0xc90 [ 67.677154][ T6807] Code: 80 3c 02 00 0f 85 45 0a 00 00 49 8b 9c 24 f0 06 00 00 48 b8 00 00 00 00 00 fc ff df 48 8d bb 70 04 00 00 48 89 fa 48 c1 ea 03 <0f> b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 08 84 d2 0f 85 5a [ 67.697476][ T6807] RSP: 0018:ffffc90000f86fe0 EFLAGS: 00010206 [ 67.703520][ T6807] RAX: dffffc0000000000 RBX: 0000000000000000 RCX: ffffffff8758343a [ 67.711466][ T6807] RDX: 000000000000008e RSI: ffffffff87583458 RDI: 0000000000000470 [ 67.720019][ T6807] RBP: 0000000000000001 R08: ffff88809e88e340 R09: ffffed1012ec789f [ 67.727964][ T6807] R10: ffff88809763c4f7 R11: ffffed1012ec789e R12: ffff88809763c000 [ 67.735907][ T6807] R13: ffffffff8a7566a0 R14: 1ffff920001f0e07 R15: ffff88809763c4e8 [ 67.743862][ T6807] FS: 0000000002525880(0000) GS:ffff8880ae600000(0000) knlGS:0000000000000000 [ 67.752831][ T6807] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 67.759829][ T6807] CR2: 00007fff2031f797 CR3: 00000000a00f1000 CR4: 00000000001406f0 [ 67.767778][ T6807] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 67.775735][ T6807] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 67.783695][ T6807] Call Trace: [ 67.786967][ T6807] ? rds_ib_remove_one+0x280/0x280 [ 67.792071][ T6807] add_client_context+0x3b4/0x520 [ 67.797156][ T6807] ? ib_device_get_by_netdev+0x4f0/0x4f0 [ 67.802759][ T6807] ? rxe_enable_driver+0x63/0x90 [ 67.807669][ T6807] enable_device_and_get+0x1cd/0x3b0 [ 67.812923][ T6807] ? add_one_compat_dev+0x800/0x800 [ 67.818111][ T6807] ? rxe_ib_alloc_hw_stats+0xf9/0x130 [ 67.823466][ T6807] ib_register_device+0xa12/0xda0 [ 67.828462][ T6807] ? enable_device_and_get+0x3b0/0x3b0 [ 67.833891][ T6807] ? crypto_create_tfm+0x118/0x2e0 [ 67.840204][ T6807] ? crypto_alloc_tfm+0x124/0x340 [ 67.845213][ T6807] ? ib_device_set_netdev+0x499/0x680 [ 67.850556][ T6807] rxe_register_device+0x4fa/0x621 [ 67.855650][ T6807] rxe_add+0x1353/0x17df [ 67.859866][ T6807] rxe_net_add+0x8c/0xe0 [ 67.864091][ T6807] rxe_newlink+0x34/0x90 [ 67.868312][ T6807] nldev_newlink+0x29e/0x420 [ 67.872875][ T6807] ? nldev_set_doit+0x410/0x410 [ 67.877697][ T6807] ? save_trace+0x5da/0x9f0 [ 67.882190][ T6807] ? selinux_sb_eat_lsm_opts+0x6d0/0x6d0 [ 67.887795][ T6807] ? selinux_sb_eat_lsm_opts+0x6d0/0x6d0 [ 67.893401][ T6807] ? cap_capable+0x1eb/0x250 [ 67.897967][ T6807] ? ns_capable_common+0xe2/0x100 [ 67.902986][ T6807] ? nldev_set_doit+0x410/0x410 [ 67.907828][ T6807] rdma_nl_rcv+0x586/0x900 [ 67.912223][ T6807] ? rdma_nl_multicast+0x310/0x310 [ 67.917311][ T6807] ? netlink_deliver_tap+0x227/0xb50 [ 67.922590][ T6807] netlink_unicast+0x537/0x740 [ 67.927342][ T6807] ? netlink_attachskb+0x810/0x810 [ 67.932437][ T6807] ? _copy_from_iter_full+0x25c/0x870 [ 67.937783][ T6807] netlink_sendmsg+0x882/0xe10 [ 67.942697][ T6807] ? netlink_unicast+0x740/0x740 [ 67.947626][ T6807] ? netlink_unicast+0x740/0x740 [ 67.952580][ T6807] sock_sendmsg+0xcf/0x120 [ 67.956988][ T6807] ____sys_sendmsg+0x6e6/0x810 [ 67.961737][ T6807] ? kernel_sendmsg+0x50/0x50 [ 67.966445][ T6807] ? mark_held_locks+0x9f/0xe0 [ 67.971197][ T6807] ___sys_sendmsg+0x100/0x170 [ 67.975854][ T6807] ? sendmsg_copy_msghdr+0x70/0x70 [ 67.980942][ T6807] ? lockdep_hardirqs_on_prepare+0x590/0x590 [ 67.986916][ T6807] ? prep_transhuge_page+0xa0/0xa0 [ 67.992001][ T6807] ? pud_val+0x7c/0xf0 [ 67.996043][ T6807] ? pmd_val+0xf0/0xf0 [ 68.000084][ T6807] ? percpu_counter_add_batch+0x123/0x180 [ 68.005777][ T6807] ? find_held_lock+0x2d/0x110 [ 68.010525][ T6807] ? do_page_fault+0x5ad/0x13d4 [ 68.015351][ T6807] ? vm_insert_pages+0x6a0/0x6a0 [ 68.020257][ T6807] ? lock_downgrade+0x840/0x840 [ 68.025080][ T6807] ? __fget_light+0x1ab/0x270 [ 68.029730][ T6807] __sys_sendmsg+0xe5/0x1b0 [ 68.034226][ T6807] ? __sys_sendmsg_sock+0xb0/0xb0 [ 68.039231][ T6807] ? down_read_nested+0x420/0x420 [ 68.044233][ T6807] ? do_syscall_64+0x21/0x7d0 [ 68.048904][ T6807] ? lockdep_hardirqs_on_prepare+0x3a2/0x590 [ 68.054858][ T6807] do_syscall_64+0xf6/0x7d0 [ 68.059441][ T6807] entry_SYSCALL_64_after_hwframe+0x49/0xb3 [ 68.065305][ T6807] RIP: 0033:0x443999 [ 68.069173][ T6807] Code: 18 89 d0 c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 6b 0e fc ff c3 66 2e 0f 1f 84 00 00 00 00 [ 68.088769][ T6807] RSP: 002b:00007ffc473a8b68 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 68.097166][ T6807] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000443999 [ 68.105195][ T6807] RDX: 0000000000000000 RSI: 0000000020000200 RDI: 0000000000000003 [ 68.113232][ T6807] RBP: 00007ffc473a8b80 R08: 00000000bb1414ac R09: 00000000bb1414ac [ 68.121179][ T6807] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc473a8bb0 [ 68.129144][ T6807] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 68.137102][ T6807] Modules linked in: [ 68.152138][ T6807] ---[ end trace b5d88b4b268fc25f ]--- [ 68.158421][ T6807] RIP: 0010:rds_ib_add_one+0xbb/0xc90 [ 68.163890][ T6807] Code: 80 3c 02 00 0f 85 45 0a 00 00 49 8b 9c 24 f0 06 00 00 48 b8 00 00 00 00 00 fc ff df 48 8d bb 70 04 00 00 48 89 fa 48 c1 ea 03 <0f> b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 08 84 d2 0f 85 5a [ 68.194685][ T6807] RSP: 0018:ffffc90000f86fe0 EFLAGS: 00010206 [ 68.200776][ T6807] RAX: dffffc0000000000 RBX: 0000000000000000 RCX: ffffffff8758343a [ 68.219979][ T6807] RDX: 000000000000008e RSI: ffffffff87583458 RDI: 0000000000000470 [ 68.228421][ T6807] RBP: 0000000000000001 R08: ffff88809e88e340 R09: ffffed1012ec789f [ 68.237991][ T6807] R10: ffff88809763c4f7 R11: ffffed1012ec789e R12: ffff88809763c000 [ 68.246048][ T6807] R13: ffffffff8a7566a0 R14: 1ffff920001f0e07 R15: ffff88809763c4e8 [ 68.254033][ T6807] FS: 0000000002525880(0000) GS:ffff8880ae600000(0000) knlGS:0000000000000000 [ 68.263372][ T6807] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 68.270000][ T6807] CR2: 00007f3be60d3ab4 CR3: 00000000a00f1000 CR4: 00000000001406f0 [ 68.278228][ T6807] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 68.286244][ T6807] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 68.294261][ T6807] Kernel panic - not syncing: Fatal exception [ 68.301830][ T6807] Kernel Offset: disabled [ 68.306165][ T6807] Rebooting in 86400 seconds..