[ 98.700292][ T27] audit: type=1800 audit(1582687430.496:36): pid=10430 uid=0 auid=4294967295 ses=4294967295 subj=system_u:system_r:kernel_t:s0 op=collect_data cause=failed(directio) comm="startpar" name="ssh" dev="sda1" ino=2417 res=0 [....] Starting periodic command scheduler: cron[?25l[?1c7[ ok 8[?25h[?0c. Starting mcstransd: [ 99.473289][ T27] audit: type=1400 audit(1582687431.376:37): avc: denied { watch } for pid=10517 comm="restorecond" path="/root/.ssh" dev="sda1" ino=16179 scontext=system_u:system_r:kernel_t:s0 tcontext=unconfined_u:object_r:ssh_home_t:s0 tclass=dir permissive=1 [....] Starting OpenBSD Secure Shell server: sshd[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting file context maintaining daemon: restorecond[?25l[?1c7[ ok 8[?25h[?0c. Debian GNU/Linux 7 syzkaller ttyS0 Warning: Permanently added '10.128.10.21' (ECDSA) to the list of known hosts. syzkaller login: [ 107.428310][ T27] kauditd_printk_skb: 4 callbacks suppressed [ 107.428326][ T27] audit: type=1400 audit(1582687439.336:42): avc: denied { map } for pid=10620 comm="syz-executor134" path="/root/syz-executor134747177" dev="sda1" ino=16483 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:object_r:user_home_t:s0 tclass=file permissive=1 [ 107.452467][T10621] IPVS: ftp: loaded support on port[0] = 21 [ 107.512698][T10621] chnl_net:caif_netlink_parms(): no params data found [ 107.551476][T10621] bridge0: port 1(bridge_slave_0) entered blocking state [ 107.559280][T10621] bridge0: port 1(bridge_slave_0) entered disabled state [ 107.567273][T10621] device bridge_slave_0 entered promiscuous mode [ 107.576418][T10621] bridge0: port 2(bridge_slave_1) entered blocking state [ 107.583678][T10621] bridge0: port 2(bridge_slave_1) entered disabled state [ 107.591555][T10621] device bridge_slave_1 entered promiscuous mode [ 107.610403][T10621] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 107.622932][T10621] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 107.644555][T10621] team0: Port device team_slave_0 added [ 107.652508][T10621] team0: Port device team_slave_1 added [ 107.669182][T10621] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 107.677086][T10621] 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. [ 107.703494][T10621] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 107.717204][T10621] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 107.724688][T10621] 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. [ 107.751343][T10621] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 107.845821][T10621] device hsr_slave_0 entered promiscuous mode [ 107.883639][T10621] device hsr_slave_1 entered promiscuous mode [ 108.020816][ T27] audit: type=1400 audit(1582687439.926:43): avc: denied { create } for pid=10621 comm="syz-executor134" scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tclass=netlink_generic_socket permissive=1 [ 108.024740][T10621] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 108.053785][ T27] audit: type=1400 audit(1582687439.926:44): avc: denied { write } for pid=10621 comm="syz-executor134" scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tclass=netlink_generic_socket permissive=1 [ 108.078620][ T27] audit: type=1400 audit(1582687439.926:45): avc: denied { read } for pid=10621 comm="syz-executor134" scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tclass=netlink_generic_socket permissive=1 [ 108.126057][T10621] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 108.186216][T10621] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 108.245597][T10621] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 108.321415][T10621] bridge0: port 2(bridge_slave_1) entered blocking state [ 108.329044][T10621] bridge0: port 2(bridge_slave_1) entered forwarding state [ 108.337142][T10621] bridge0: port 1(bridge_slave_0) entered blocking state [ 108.344277][T10621] bridge0: port 1(bridge_slave_0) entered forwarding state [ 108.398286][T10621] 8021q: adding VLAN 0 to HW filter on device bond0 [ 108.414960][ T2945] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 108.426379][ T2945] bridge0: port 1(bridge_slave_0) entered disabled state [ 108.434923][ T2945] bridge0: port 2(bridge_slave_1) entered disabled state [ 108.442975][ T2945] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 108.456864][T10621] 8021q: adding VLAN 0 to HW filter on device team0 [ 108.469914][ T2724] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 108.478822][ T2724] bridge0: port 1(bridge_slave_0) entered blocking state [ 108.485936][ T2724] bridge0: port 1(bridge_slave_0) entered forwarding state [ 108.498581][ T2945] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 108.508876][ T2945] bridge0: port 2(bridge_slave_1) entered blocking state [ 108.516816][ T2945] bridge0: port 2(bridge_slave_1) entered forwarding state [ 108.539093][ T2945] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 108.548844][ T2945] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 108.558911][ T2945] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 108.570506][ T2724] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 108.579510][ T2724] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 108.592450][ T2945] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 108.602822][ T2945] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 108.618196][T10621] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 108.630222][T10621] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 108.639137][ T2724] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 108.648718][ T2724] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 108.674371][ T2678] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 108.681864][ T2678] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 108.692979][T10621] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 108.716640][ T2945] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 108.726531][ T2945] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 108.750653][T10621] device veth0_vlan entered promiscuous mode [ 108.758474][ T2945] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 108.768146][ T2945] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 108.778091][ T2945] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 108.786139][ T2945] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 108.799764][T10621] device veth1_vlan entered promiscuous mode [ 108.825563][ T2945] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 108.834722][ T2945] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 108.842703][ T2945] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 108.851937][ T2945] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 108.864569][T10621] device veth0_macvtap entered promiscuous mode [ 108.876213][T10621] device veth1_macvtap entered promiscuous mode [ 108.895872][T10621] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 108.903576][ T2678] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 108.911733][ T2678] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 108.920311][ T2678] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 108.929563][ T2678] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 108.943698][T10621] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 108.951048][ T2945] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 108.960935][ T2945] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready executing program [ 109.119269][ T27] audit: type=1400 audit(1582687441.026:46): avc: denied { create } for pid=10621 comm="syz-executor134" scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tclass=netlink_rdma_socket permissive=1 [ 109.145904][ T27] audit: type=1400 audit(1582687441.026:47): avc: denied { write } for pid=10621 comm="syz-executor134" scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tclass=netlink_rdma_socket permissive=1 [ 109.215005][T10621] infiniband syz1: set active [ 109.220227][T10621] infiniband syz1: added vlan0 [ 109.242789][T10621] general protection fault, probably for non-canonical address 0xdffffc0000000086: 0000 [#1] PREEMPT SMP KASAN [ 109.254581][T10621] KASAN: null-ptr-deref in range [0x0000000000000430-0x0000000000000437] [ 109.263004][T10621] CPU: 1 PID: 10621 Comm: syz-executor134 Not tainted 5.6.0-rc3-syzkaller #0 [ 109.271763][T10621] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 109.281929][T10621] RIP: 0010:rds_ib_add_one+0xba/0xcb0 [ 109.287318][T10621] Code: 03 80 3c 02 00 0f 85 6c 0a 00 00 49 8b 9d a8 06 00 00 48 b8 00 00 00 00 00 fc ff df 48 8d bb 30 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 7e [ 109.307836][T10621] RSP: 0018:ffffc90001f06f28 EFLAGS: 00010202 [ 109.313987][T10621] RAX: dffffc0000000000 RBX: 0000000000000000 RCX: ffffffff8767eaeb [ 109.321962][T10621] RDX: 0000000000000086 RSI: ffffffff8767eb09 RDI: 0000000000000430 [ 109.329917][T10621] RBP: ffffc90001f06f60 R08: ffff888094f681c0 R09: ffffed1013db309c [ 109.337881][T10621] R10: ffffed1013db309b R11: ffff88809ed984df R12: ffff88809ed98558 [ 109.345847][T10621] R13: ffff88809ed98000 R14: ffffffff8a905940 R15: ffffffff8a9059d0 [ 109.353835][T10621] FS: 0000000001469880(0000) GS:ffff8880ae900000(0000) knlGS:0000000000000000 [ 109.364405][T10621] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 109.370984][T10621] CR2: 0000000020000000 CR3: 00000000a8a2b000 CR4: 00000000001406e0 [ 109.379209][T10621] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 109.387190][T10621] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 109.395153][T10621] Call Trace: [ 109.398444][T10621] ? rds_ib_remove_one+0x290/0x290 [ 109.403552][T10621] add_client_context+0x3dd/0x550 [ 109.408596][T10621] ? ib_device_get_by_netdev+0x530/0x530 [ 109.414227][T10621] ? rxe_enable_driver+0x68/0x90 [ 109.419176][T10621] enable_device_and_get+0x1df/0x3c0 [ 109.424505][T10621] ? add_one_compat_dev+0x7e0/0x7e0 [ 109.429762][T10621] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 109.435499][T10621] ib_register_device+0xa89/0xe40 [ 109.440540][T10621] ? enable_device_and_get+0x3c0/0x3c0 [ 109.445990][T10621] rxe_register_device+0x52e/0x655 [ 109.451096][T10621] rxe_add+0x122b/0x1661 [ 109.455338][T10621] rxe_net_add+0x91/0xf0 [ 109.459627][T10621] rxe_newlink+0x39/0x90 [ 109.463977][T10621] nldev_newlink+0x28a/0x430 [ 109.468571][T10621] ? nldev_set_doit+0x420/0x420 [ 109.473444][T10621] ? avc_has_perm_noaudit+0x38c/0x570 [ 109.478847][T10621] ? selinux_capable+0x36/0x40 [ 109.483620][T10621] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 109.489983][T10621] ? ns_capable+0x20/0x30 [ 109.494553][T10621] ? __netlink_ns_capable+0x104/0x140 [ 109.500100][T10621] ? nldev_set_doit+0x420/0x420 [ 109.504947][T10621] rdma_nl_rcv+0x5d9/0x980 [ 109.509367][T10621] ? rdma_nl_multicast+0x330/0x330 [ 109.514487][T10621] ? __kasan_check_read+0x11/0x20 [ 109.519513][T10621] ? netlink_deliver_tap+0x248/0xbf0 [ 109.524801][T10621] ? __kasan_check_write+0x14/0x20 [ 109.530305][T10621] netlink_unicast+0x59e/0x7e0 [ 109.535072][T10621] ? netlink_attachskb+0x870/0x870 [ 109.540361][T10621] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 109.546610][T10621] netlink_sendmsg+0x91c/0xea0 [ 109.551494][T10621] ? netlink_unicast+0x7e0/0x7e0 [ 109.556555][T10621] ? tomoyo_socket_sendmsg+0x26/0x30 [ 109.561841][T10621] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 109.568081][T10621] ? security_socket_sendmsg+0x8d/0xc0 [ 109.573532][T10621] ? netlink_unicast+0x7e0/0x7e0 [ 109.578466][T10621] sock_sendmsg+0xd7/0x130 [ 109.582927][T10621] ____sys_sendmsg+0x753/0x880 [ 109.587854][T10621] ? kernel_sendmsg+0x50/0x50 [ 109.592533][T10621] ___sys_sendmsg+0x100/0x170 [ 109.597308][T10621] ? sendmsg_copy_msghdr+0x70/0x70 [ 109.602417][T10621] ? do_huge_pmd_anonymous_page+0xceb/0x1a50 [ 109.608405][T10621] ? prep_transhuge_page+0xa0/0xa0 [ 109.613516][T10621] ? do_page_fault+0x579/0x12e1 [ 109.618453][T10621] ? find_held_lock+0x35/0x130 [ 109.623227][T10621] ? do_page_fault+0x579/0x12e1 [ 109.628158][T10621] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 109.634401][T10621] ? __fget_light+0x1ad/0x270 [ 109.639254][T10621] ? __fdget+0x1b/0x20 [ 109.643405][T10621] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 109.649629][T10621] __sys_sendmsg+0x105/0x1d0 [ 109.654215][T10621] ? __sys_sendmsg_sock+0xc0/0xc0 [ 109.659245][T10621] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 109.665053][T10621] ? do_syscall_64+0x26/0x790 [ 109.669728][T10621] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 109.675872][T10621] ? do_syscall_64+0x26/0x790 [ 109.680547][T10621] __x64_sys_sendmsg+0x78/0xb0 [ 109.685331][T10621] do_syscall_64+0xfa/0x790 [ 109.689833][T10621] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 109.695715][T10621] RIP: 0033:0x4434a9 [ 109.700563][T10621] 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 7b 10 fc ff c3 66 2e 0f 1f 84 00 00 00 00 [ 109.720156][T10621] RSP: 002b:00007ffd3e2ce378 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 109.728574][T10621] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00000000004434a9 [ 109.736551][T10621] RDX: 0000000000000000 RSI: 0000000020000000 RDI: 0000000000000003 [ 109.744568][T10621] RBP: 00007ffd3e2ce390 R08: 0000000001bbbbbb R09: 0000000001bbbbbb [ 109.752533][T10621] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 109.760491][T10621] R13: 0000000000404a40 R14: 0000000000000000 R15: 0000000000000000 [ 109.768451][T10621] Modules linked in: [ 109.778953][T10621] ---[ end trace 3d3a1f222724e41f ]--- [ 109.784491][T10621] RIP: 0010:rds_ib_add_one+0xba/0xcb0 [ 109.789854][T10621] Code: 03 80 3c 02 00 0f 85 6c 0a 00 00 49 8b 9d a8 06 00 00 48 b8 00 00 00 00 00 fc ff df 48 8d bb 30 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 7e [ 109.811640][T10621] RSP: 0018:ffffc90001f06f28 EFLAGS: 00010202 [ 109.818202][T10621] RAX: dffffc0000000000 RBX: 0000000000000000 RCX: ffffffff8767eaeb [ 109.826303][T10621] RDX: 0000000000000086 RSI: ffffffff8767eb09 RDI: 0000000000000430 [ 109.834356][T10621] RBP: ffffc90001f06f60 R08: ffff888094f681c0 R09: ffffed1013db309c [ 109.842319][T10621] R10: ffffed1013db309b R11: ffff88809ed984df R12: ffff88809ed98558 [ 109.850343][T10621] R13: ffff88809ed98000 R14: ffffffff8a905940 R15: ffffffff8a9059d0 [ 109.858445][T10621] FS: 0000000001469880(0000) GS:ffff8880ae900000(0000) knlGS:0000000000000000 [ 109.867440][T10621] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 109.874048][T10621] CR2: ffffffffff600400 CR3: 00000000a8a2b000 CR4: 00000000001406e0 [ 109.882026][T10621] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 109.890604][T10621] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 109.898655][T10621] Kernel panic - not syncing: Fatal exception [ 109.906013][T10621] Kernel Offset: disabled [ 109.910380][T10621] Rebooting in 86400 seconds..