[ 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 '10.128.0.176' (ECDSA) to the list of known hosts. syzkaller login: [ 94.118102][ T36] audit: type=1400 audit(1608195278.871:8): avc: denied { execmem } for pid=8479 comm="syz-executor225" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=process permissive=1 [ 94.148368][ T8480] IPVS: ftp: loaded support on port[0] = 21 [ 94.265270][ T8480] chnl_net:caif_netlink_parms(): no params data found [ 94.327596][ T8480] bridge0: port 1(bridge_slave_0) entered blocking state [ 94.336080][ T8480] bridge0: port 1(bridge_slave_0) entered disabled state [ 94.345129][ T8480] device bridge_slave_0 entered promiscuous mode [ 94.354768][ T8480] bridge0: port 2(bridge_slave_1) entered blocking state [ 94.363925][ T8480] bridge0: port 2(bridge_slave_1) entered disabled state [ 94.372386][ T8480] device bridge_slave_1 entered promiscuous mode [ 94.397113][ T8480] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 94.409054][ T8480] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 94.437063][ T8480] team0: Port device team_slave_0 added [ 94.447312][ T8480] team0: Port device team_slave_1 added [ 94.468749][ T8480] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 94.475977][ T8480] 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. [ 94.502255][ T8480] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 94.515663][ T8480] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 94.523082][ T8480] 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. [ 94.549218][ T8480] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 94.580778][ T8480] device hsr_slave_0 entered promiscuous mode [ 94.587888][ T8480] device hsr_slave_1 entered promiscuous mode [ 94.722099][ T8480] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 94.736421][ T8480] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 94.748273][ T8480] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 94.760588][ T8480] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 94.794135][ T8480] bridge0: port 2(bridge_slave_1) entered blocking state [ 94.801456][ T8480] bridge0: port 2(bridge_slave_1) entered forwarding state [ 94.809702][ T8480] bridge0: port 1(bridge_slave_0) entered blocking state [ 94.816823][ T8480] bridge0: port 1(bridge_slave_0) entered forwarding state [ 94.874498][ T8480] 8021q: adding VLAN 0 to HW filter on device bond0 [ 94.893544][ T3188] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 94.905523][ T3188] bridge0: port 1(bridge_slave_0) entered disabled state [ 94.915001][ T3188] bridge0: port 2(bridge_slave_1) entered disabled state [ 94.924368][ T3188] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 94.940129][ T8480] 8021q: adding VLAN 0 to HW filter on device team0 [ 94.954785][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 94.963551][ T17] bridge0: port 1(bridge_slave_0) entered blocking state [ 94.970753][ T17] bridge0: port 1(bridge_slave_0) entered forwarding state [ 94.984647][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 94.993542][ T17] bridge0: port 2(bridge_slave_1) entered blocking state [ 95.000753][ T17] bridge0: port 2(bridge_slave_1) entered forwarding state [ 95.025752][ T3188] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 95.034973][ T3188] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 95.051107][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 95.066896][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 95.083793][ T3188] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 95.094813][ T8480] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 95.119933][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 95.127554][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 95.143348][ T8480] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 95.168860][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 95.194523][ T3188] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 95.203789][ T3188] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 95.212548][ T3188] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 95.227938][ T8480] device veth0_vlan entered promiscuous mode [ 95.242366][ T8480] device veth1_vlan entered promiscuous mode [ 95.272803][ T3188] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 95.281853][ T3188] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 95.295431][ T8480] device veth0_macvtap entered promiscuous mode [ 95.306729][ T8480] device veth1_macvtap entered promiscuous mode [ 95.326500][ T8480] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 95.335492][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 95.343763][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 95.352754][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 95.362562][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 95.378392][ T8480] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 95.388317][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 95.398233][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 95.411216][ T8480] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 95.420822][ T8480] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 95.430690][ T8480] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 95.440188][ T8480] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 executing program [ 95.613098][ T8688] infiniband syz1: set active [ 95.618636][ T8688] infiniband syz1: added macvtap0 [ 95.683178][ T8688] RDS/IB: syz1: added [ 95.688003][ T8688] smc: adding ib device syz1 with port count 1 [ 95.707342][ T8688] smc: ib device syz1 port 1 has pnetid [ 95.864416][ T8688] BUG: unable to handle page fault for address: ffffffffffffff74 [ 95.872191][ T8688] #PF: supervisor read access in kernel mode [ 95.878199][ T8688] #PF: error_code(0x0000) - not-present page [ 95.884212][ T8688] PGD b48f067 P4D b48f067 PUD b491067 PMD 0 [ 95.890208][ T8688] Oops: 0000 [#1] PREEMPT SMP KASAN [ 95.895422][ T8688] CPU: 0 PID: 8688 Comm: syz-executor225 Not tainted 5.10.0-syzkaller #0 [ 95.903835][ T8688] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 95.913917][ T8688] RIP: 0010:smc_nl_handle_smcr_dev.isra.0+0x4e1/0x1280 [ 95.920760][ T8688] Code: fc ff df 48 8d bb 74 ff ff ff 48 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 01 38 d0 7c 08 84 d2 0f 85 29 0d 00 00 <0f> b7 83 74 ff ff ff 48 8d bb 76 ff ff ff 48 89 fa 48 c1 ea 03 66 [ 95.940361][ T8688] RSP: 0018:ffffc90001f87220 EFLAGS: 00010246 [ 95.946435][ T8688] RAX: 0000000000000005 RBX: 0000000000000000 RCX: 0000000000000000 [ 95.954429][ T8688] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffffffffffff74 [ 95.962415][ T8688] RBP: ffffffff8d5ac140 R08: 0000000000000001 R09: ffffc90001f87308 [ 95.970399][ T8688] R10: fffff520003f0e64 R11: 1ffffffff1e2db6c R12: 000000001b556831 [ 95.978366][ T8688] R13: ffff888013e29540 R14: dffffc0000000000 R15: ffff88802a360014 [ 95.986339][ T8688] FS: 00000000015bf880(0000) GS:ffff8880b9c00000(0000) knlGS:0000000000000000 [ 95.995302][ T8688] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 96.001929][ T8688] CR2: ffffffffffffff74 CR3: 000000002687b000 CR4: 00000000001506f0 [ 96.009894][ T8688] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 96.017860][ T8688] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 96.025838][ T8688] Call Trace: [ 96.029142][ T8688] ? smc_ib_remove_dev+0x390/0x390 [ 96.034263][ T8688] ? __mutex_lock+0x580/0x1110 [ 96.039273][ T8688] ? smcr_nl_get_device+0x60/0x1f0 [ 96.044381][ T8688] ? __mutex_lock+0x61b/0x1110 [ 96.049167][ T8688] ? mutex_lock_io_nested+0xf60/0xf60 [ 96.054565][ T8688] ? genl_lock_dumpit+0x3c/0x90 [ 96.059422][ T8688] ? mutex_lock_io_nested+0xf60/0xf60 [ 96.064844][ T8688] ? rcu_read_lock_sched_held+0x3a/0x70 [ 96.070392][ T8688] ? kmem_cache_alloc_node_trace+0x396/0x430 [ 96.076419][ T8688] smcr_nl_get_device+0xdf/0x1f0 [ 96.081371][ T8688] genl_lock_dumpit+0x60/0x90 [ 96.086058][ T8688] netlink_dump+0x4d9/0xb90 [ 96.090554][ T8688] ? netlink_has_listeners+0x420/0x420 [ 96.096070][ T8688] ? __mutex_unlock_slowpath+0xe2/0x610 [ 96.101619][ T8688] ? kmem_cache_alloc_trace+0x178/0x300 [ 96.107176][ T8688] ? genl_start+0x44a/0x670 [ 96.111695][ T8688] __netlink_dump_start+0x665/0x920 [ 96.116900][ T8688] ? genl_family_rcv_msg_doit+0x320/0x320 [ 96.122625][ T8688] ? smc_ib_create_protection_domain+0xe0/0xe0 [ 96.128781][ T8688] genl_family_rcv_msg_dumpit+0x2af/0x310 [ 96.134525][ T8688] ? genl_rcv+0x40/0x40 [ 96.138702][ T8688] ? mutex_lock_io_nested+0xf60/0xf60 [ 96.144079][ T8688] ? __lock_acquire+0x16c2/0x54b0 [ 96.149347][ T8688] ? genl_family_rcv_msg_doit+0x320/0x320 [ 96.155070][ T8688] ? genl_unlock+0x20/0x20 [ 96.159539][ T8688] ? genl_parallel_done+0xc0/0xc0 [ 96.164576][ T8688] ? __sanitizer_cov_trace_const_cmp1+0x22/0x80 [ 96.170821][ T8688] ? __radix_tree_lookup+0x211/0x2a0 [ 96.176111][ T8688] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 96.182363][ T8688] ? genl_get_cmd+0x3cf/0x480 [ 96.187079][ T8688] genl_rcv_msg+0x43c/0x590 [ 96.191615][ T8688] ? genl_get_cmd+0x480/0x480 [ 96.196307][ T8688] ? smc_ib_create_protection_domain+0xe0/0xe0 [ 96.202476][ T8688] ? lock_release+0x710/0x710 [ 96.207160][ T8688] ? netdev_core_pick_tx+0x2e0/0x2e0 [ 96.212477][ T8688] netlink_rcv_skb+0x153/0x420 [ 96.217261][ T8688] ? genl_get_cmd+0x480/0x480 [ 96.221944][ T8688] ? netlink_ack+0xab0/0xab0 [ 96.226557][ T8688] genl_rcv+0x24/0x40 [ 96.230545][ T8688] netlink_unicast+0x533/0x7d0 [ 96.235330][ T8688] ? netlink_attachskb+0x870/0x870 [ 96.240484][ T8688] netlink_sendmsg+0x907/0xe40 [ 96.245270][ T8688] ? netlink_unicast+0x7d0/0x7d0 [ 96.250394][ T8688] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 96.256689][ T8688] ? netlink_unicast+0x7d0/0x7d0 [ 96.261734][ T8688] sock_sendmsg+0xcf/0x120 [ 96.266156][ T8688] ____sys_sendmsg+0x6e8/0x810 [ 96.270928][ T8688] ? kernel_sendmsg+0x50/0x50 [ 96.275681][ T8688] ? do_recvmmsg+0x6c0/0x6c0 [ 96.280292][ T8688] ___sys_sendmsg+0xf3/0x170 [ 96.284889][ T8688] ? sendmsg_copy_msghdr+0x160/0x160 [ 96.290180][ T8688] ? lockdep_init_map_waits+0x26a/0x720 [ 96.295731][ T8688] ? lockdep_hardirqs_on_prepare+0x420/0x420 [ 96.301726][ T8688] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 96.307974][ T8688] ? percpu_counter_add_batch+0xbd/0x180 [ 96.313607][ T8688] ? find_held_lock+0x2d/0x110 [ 96.318375][ T8688] ? fd_install+0x250/0x6e0 [ 96.322881][ T8688] ? lock_downgrade+0x6d0/0x6d0 [ 96.327757][ T8688] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 96.334013][ T8688] ? __fget_light+0x215/0x280 [ 96.338696][ T8688] ? __sanitizer_cov_trace_const_cmp8+0x1d/0x70 [ 96.344937][ T8688] __sys_sendmsg+0xe5/0x1b0 [ 96.349454][ T8688] ? __sys_sendmsg_sock+0xb0/0xb0 [ 96.354526][ T8688] ? syscall_enter_from_user_mode+0x1d/0x50 [ 96.360431][ T8688] do_syscall_64+0x2d/0x70 [ 96.364850][ T8688] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 96.370739][ T8688] RIP: 0033:0x443fd9 [ 96.374646][ T8688] Code: e8 6c 05 03 00 48 83 c4 18 c3 0f 1f 80 00 00 00 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 9b 07 fc ff c3 66 2e 0f 1f 84 00 00 00 00 [ 96.394253][ T8688] RSP: 002b:00007ffe909694e8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 96.402768][ T8688] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000443fd9 [ 96.410760][ T8688] RDX: 0000000000000000 RSI: 0000000020000180 RDI: 0000000000000004 [ 96.418727][ T8688] RBP: 00007ffe909694f0 R08: 0000000001bbbbbb R09: 0000000001bbbbbb [ 96.426697][ T8688] R10: 0000000001bbbbbb R11: 0000000000000246 R12: 00007ffe90969500 [ 96.434682][ T8688] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 96.442664][ T8688] Modules linked in: [ 96.446559][ T8688] CR2: ffffffffffffff74 [ 96.450730][ T8688] ---[ end trace 45a80c2d5f347bdc ]--- [ 96.456211][ T8688] RIP: 0010:smc_nl_handle_smcr_dev.isra.0+0x4e1/0x1280 [ 96.463072][ T8688] Code: fc ff df 48 8d bb 74 ff ff ff 48 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 01 38 d0 7c 08 84 d2 0f 85 29 0d 00 00 <0f> b7 83 74 ff ff ff 48 8d bb 76 ff ff ff 48 89 fa 48 c1 ea 03 66 [ 96.482693][ T8688] RSP: 0018:ffffc90001f87220 EFLAGS: 00010246 [ 96.488787][ T8688] RAX: 0000000000000005 RBX: 0000000000000000 RCX: 0000000000000000 [ 96.496787][ T8688] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffffffffffff74 [ 96.504756][ T8688] RBP: ffffffff8d5ac140 R08: 0000000000000001 R09: ffffc90001f87308 [ 96.512741][ T8688] R10: fffff520003f0e64 R11: 1ffffffff1e2db6c R12: 000000001b556831 [ 96.520717][ T8688] R13: ffff888013e29540 R14: dffffc0000000000 R15: ffff88802a360014 [ 96.528689][ T8688] FS: 00000000015bf880(0000) GS:ffff8880b9c00000(0000) knlGS:0000000000000000 [ 96.537614][ T8688] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 96.544194][ T8688] CR2: ffffffffffffff74 CR3: 000000002687b000 CR4: 00000000001506f0 [ 96.552181][ T8688] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 96.560170][ T8688] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 96.568133][ T8688] Kernel panic - not syncing: Fatal exception [ 96.574686][ T8688] Kernel Offset: disabled [ 96.579025][ T8688] Rebooting in 86400 seconds..