Starting mcstransd: [ 91.567485][ T26] audit: type=1400 audit(1582680104.830:37): avc: denied { watch } for pid=10336 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 [ 91.592443][ T26] audit: type=1400 audit(1582680104.850:38): avc: denied { watch } for pid=10336 comm="restorecond" path="/etc/selinux/restorecond.conf" dev="sda1" ino=2232 scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:object_r:file_t:s0 tclass=file permissive=1 [....] Starting file context maintaining daemon: restorecond[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting OpenBSD Secure Shell server: sshd[?25l[?1c7[ ok 8[?25h[?0c. Debian GNU/Linux 7 syzkaller ttyS0 syzkaller login: [ 96.436217][ T26] kauditd_printk_skb: 2 callbacks suppressed [ 96.436232][ T26] audit: type=1400 audit(1582680109.690:41): avc: denied { map } for pid=10427 comm="bash" path="/bin/bash" dev="sda1" ino=1457 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=system_u:object_r:file_t:s0 tclass=file permissive=1 Warning: Permanently added '10.128.0.4' (ECDSA) to the list of known hosts. [ 103.336355][ T26] audit: type=1400 audit(1582680116.590:42): avc: denied { map } for pid=10439 comm="syz-executor294" path="/root/syz-executor294179064" dev="sda1" ino=16484 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:object_r:user_home_t:s0 tclass=file permissive=1 [ 103.359116][T10440] IPVS: ftp: loaded support on port[0] = 21 [ 103.411980][T10440] chnl_net:caif_netlink_parms(): no params data found [ 103.448275][T10440] bridge0: port 1(bridge_slave_0) entered blocking state [ 103.455603][T10440] bridge0: port 1(bridge_slave_0) entered disabled state [ 103.463445][T10440] device bridge_slave_0 entered promiscuous mode [ 103.472198][T10440] bridge0: port 2(bridge_slave_1) entered blocking state [ 103.479392][T10440] bridge0: port 2(bridge_slave_1) entered disabled state [ 103.487185][T10440] device bridge_slave_1 entered promiscuous mode [ 103.503920][T10440] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 103.515173][T10440] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 103.534958][T10440] team0: Port device team_slave_0 added [ 103.542639][T10440] team0: Port device team_slave_1 added [ 103.557122][T10440] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 103.564079][T10440] 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. [ 103.590181][T10440] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 103.603072][T10440] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 103.610101][T10440] 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. [ 103.636207][T10440] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 103.709331][T10440] device hsr_slave_0 entered promiscuous mode [ 103.748019][T10440] device hsr_slave_1 entered promiscuous mode [ 103.860531][ T26] audit: type=1400 audit(1582680117.120:43): avc: denied { create } for pid=10440 comm="syz-executor294" 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 [ 103.863398][T10440] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 103.887810][ T26] audit: type=1400 audit(1582680117.120:44): avc: denied { write } for pid=10440 comm="syz-executor294" 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 [ 103.918275][ T26] audit: type=1400 audit(1582680117.120:45): avc: denied { read } for pid=10440 comm="syz-executor294" 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 [ 103.949943][T10440] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 104.029445][T10440] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 104.069535][T10440] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 104.133865][T10440] bridge0: port 2(bridge_slave_1) entered blocking state [ 104.141065][T10440] bridge0: port 2(bridge_slave_1) entered forwarding state [ 104.148833][T10440] bridge0: port 1(bridge_slave_0) entered blocking state [ 104.155890][T10440] bridge0: port 1(bridge_slave_0) entered forwarding state [ 104.208639][T10440] 8021q: adding VLAN 0 to HW filter on device bond0 [ 104.222928][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 104.233141][ T5] bridge0: port 1(bridge_slave_0) entered disabled state [ 104.241197][ T5] bridge0: port 2(bridge_slave_1) entered disabled state [ 104.249465][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 104.263466][T10440] 8021q: adding VLAN 0 to HW filter on device team0 [ 104.275158][ T3139] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 104.284100][ T3139] bridge0: port 1(bridge_slave_0) entered blocking state [ 104.291177][ T3139] bridge0: port 1(bridge_slave_0) entered forwarding state [ 104.303716][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 104.312968][ T5] bridge0: port 2(bridge_slave_1) entered blocking state [ 104.320056][ T5] bridge0: port 2(bridge_slave_1) entered forwarding state [ 104.341729][ T3139] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 104.350480][ T3139] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 104.362273][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 104.377722][ T3139] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 104.388530][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 104.400367][T10440] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 104.422275][ T3139] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 104.429898][ T3139] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 104.448348][T10440] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 104.469510][ T3139] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 104.479109][ T3139] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 104.499527][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 104.508140][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 104.518795][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 104.526454][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 104.536295][T10440] device veth0_vlan entered promiscuous mode [ 104.550028][T10440] device veth1_vlan entered promiscuous mode [ 104.574470][ T3139] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 104.583513][ T3139] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 104.592699][ T3139] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 104.601960][ T3139] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 104.613206][T10440] device veth0_macvtap entered promiscuous mode [ 104.624779][T10440] device veth1_macvtap entered promiscuous mode [ 104.643855][T10440] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 104.651827][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 104.660154][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 104.668537][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 104.677174][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 104.690146][T10440] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 104.697698][ T3139] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 104.706286][ T3139] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready executing program [ 104.882509][ T26] audit: type=1400 audit(1582680118.140:46): avc: denied { create } for pid=10440 comm="syz-executor294" 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 [ 104.917152][ T26] audit: type=1400 audit(1582680118.170:47): avc: denied { write } for pid=10440 comm="syz-executor294" 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 [ 104.989602][T10440] infiniband syz1: set active [ 104.994878][T10440] infiniband syz1: added vlan0 [ 105.017573][T10440] general protection fault, probably for non-canonical address 0xdffffc0000000086: 0000 [#1] PREEMPT SMP KASAN [ 105.029318][T10440] KASAN: null-ptr-deref in range [0x0000000000000430-0x0000000000000437] [ 105.037729][T10440] CPU: 0 PID: 10440 Comm: syz-executor294 Not tainted 5.6.0-rc3-syzkaller #0 [ 105.046581][T10440] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 105.056752][T10440] RIP: 0010:rds_ib_add_one+0xba/0xcb0 [ 105.062145][T10440] 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 [ 105.081728][T10440] RSP: 0018:ffffc90001f66f28 EFLAGS: 00010202 [ 105.087815][T10440] RAX: dffffc0000000000 RBX: 0000000000000000 RCX: ffffffff8767eaeb [ 105.095844][T10440] RDX: 0000000000000086 RSI: ffffffff8767eb09 RDI: 0000000000000430 [ 105.103812][T10440] RBP: ffffc90001f66f60 R08: ffff888092584200 R09: ffffed1012d3109c [ 105.111758][T10440] R10: ffffed1012d3109b R11: ffff8880969884df R12: ffff888096988558 [ 105.119703][T10440] R13: ffff888096988000 R14: ffffffff8a905940 R15: ffffffff8a9059d0 [ 105.127654][T10440] FS: 00000000015b0940(0000) GS:ffff8880ae800000(0000) knlGS:0000000000000000 [ 105.136589][T10440] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 105.143148][T10440] CR2: 0000000020000000 CR3: 00000000a25af000 CR4: 00000000001406f0 [ 105.151095][T10440] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 105.159040][T10440] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 105.167025][T10440] Call Trace: [ 105.170295][T10440] ? rds_ib_remove_one+0x290/0x290 [ 105.175381][T10440] add_client_context+0x3dd/0x550 [ 105.180382][T10440] ? ib_device_get_by_netdev+0x530/0x530 [ 105.185987][T10440] ? rxe_enable_driver+0x68/0x90 [ 105.190902][T10440] enable_device_and_get+0x1df/0x3c0 [ 105.196159][T10440] ? add_one_compat_dev+0x7e0/0x7e0 [ 105.201336][T10440] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 105.207036][T10440] ib_register_device+0xa89/0xe40 [ 105.212037][T10440] ? enable_device_and_get+0x3c0/0x3c0 [ 105.217583][T10440] rxe_register_device+0x52e/0x655 [ 105.222671][T10440] rxe_add+0x122b/0x1661 [ 105.226894][T10440] rxe_net_add+0x91/0xf0 [ 105.231111][T10440] rxe_newlink+0x39/0x90 [ 105.235348][T10440] nldev_newlink+0x28a/0x430 [ 105.239924][T10440] ? nldev_set_doit+0x420/0x420 [ 105.244769][T10440] ? avc_has_perm_noaudit+0x38c/0x570 [ 105.250152][T10440] ? selinux_capable+0x36/0x40 [ 105.254893][T10440] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 105.261179][T10440] ? ns_capable+0x20/0x30 [ 105.265486][T10440] ? __netlink_ns_capable+0x104/0x140 [ 105.271010][T10440] ? nldev_set_doit+0x420/0x420 [ 105.275884][T10440] rdma_nl_rcv+0x5d9/0x980 [ 105.280282][T10440] ? rdma_nl_multicast+0x330/0x330 [ 105.285371][T10440] ? __kasan_check_read+0x11/0x20 [ 105.290373][T10440] ? netlink_deliver_tap+0x248/0xbf0 [ 105.295720][T10440] ? __kasan_check_write+0x14/0x20 [ 105.300807][T10440] netlink_unicast+0x59e/0x7e0 [ 105.305547][T10440] ? netlink_attachskb+0x870/0x870 [ 105.310677][T10440] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 105.316893][T10440] netlink_sendmsg+0x91c/0xea0 [ 105.321752][T10440] ? netlink_unicast+0x7e0/0x7e0 [ 105.326665][T10440] ? tomoyo_socket_sendmsg+0x26/0x30 [ 105.331923][T10440] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 105.338138][T10440] ? security_socket_sendmsg+0x8d/0xc0 [ 105.343570][T10440] ? netlink_unicast+0x7e0/0x7e0 [ 105.348479][T10440] sock_sendmsg+0xd7/0x130 [ 105.352916][T10440] ____sys_sendmsg+0x753/0x880 [ 105.357676][T10440] ? kernel_sendmsg+0x50/0x50 [ 105.362348][T10440] ___sys_sendmsg+0x100/0x170 [ 105.367055][T10440] ? sendmsg_copy_msghdr+0x70/0x70 [ 105.372149][T10440] ? do_huge_pmd_anonymous_page+0xceb/0x1a50 [ 105.378112][T10440] ? prep_transhuge_page+0xa0/0xa0 [ 105.383204][T10440] ? do_page_fault+0x579/0x12e1 [ 105.388171][T10440] ? find_held_lock+0x35/0x130 [ 105.392912][T10440] ? do_page_fault+0x579/0x12e1 [ 105.397748][T10440] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 105.403965][T10440] ? __fget_light+0x1ad/0x270 [ 105.408741][T10440] ? __fdget+0x1b/0x20 [ 105.412792][T10440] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 105.419017][T10440] __sys_sendmsg+0x105/0x1d0 [ 105.423600][T10440] ? __sys_sendmsg_sock+0xc0/0xc0 [ 105.428623][T10440] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 105.434058][T10440] ? do_syscall_64+0x26/0x790 [ 105.438724][T10440] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 105.444762][T10440] ? do_syscall_64+0x26/0x790 [ 105.449430][T10440] __x64_sys_sendmsg+0x78/0xb0 [ 105.454168][T10440] do_syscall_64+0xfa/0x790 [ 105.458646][T10440] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 105.464523][T10440] RIP: 0033:0x443c09 [ 105.468398][T10440] 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 [ 105.487973][T10440] RSP: 002b:00007ffd6853f7c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 105.496368][T10440] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000443c09 [ 105.504344][T10440] RDX: 0000000000000000 RSI: 0000000020000000 RDI: 0000000000000003 [ 105.512310][T10440] RBP: 00007ffd6853f7f0 R08: 0000000000000000 R09: 0000000000000000 [ 105.520310][T10440] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 105.528256][T10440] R13: 00000000004051a0 R14: 0000000000000000 R15: 0000000000000000 [ 105.536204][T10440] Modules linked in: [ 105.550142][T10440] ---[ end trace 86593a17162eeda0 ]--- [ 105.555633][T10440] RIP: 0010:rds_ib_add_one+0xba/0xcb0 [ 105.561874][T10440] 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 [ 105.581848][T10440] RSP: 0018:ffffc90001f66f28 EFLAGS: 00010202 [ 105.587942][T10440] RAX: dffffc0000000000 RBX: 0000000000000000 RCX: ffffffff8767eaeb [ 105.595914][T10440] RDX: 0000000000000086 RSI: ffffffff8767eb09 RDI: 0000000000000430 [ 105.603898][T10440] RBP: ffffc90001f66f60 R08: ffff888092584200 R09: ffffed1012d3109c [ 105.611982][T10440] R10: ffffed1012d3109b R11: ffff8880969884df R12: ffff888096988558 [ 105.619965][T10440] R13: ffff888096988000 R14: ffffffff8a905940 R15: ffffffff8a9059d0 [ 105.627946][T10440] FS: 00000000015b0940(0000) GS:ffff8880ae800000(0000) knlGS:0000000000000000 [ 105.638303][T10440] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 105.644886][T10440] CR2: 00000000018a41f8 CR3: 00000000a25af000 CR4: 00000000001406f0 [ 105.652910][T10440] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 105.660908][T10440] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 105.669090][T10440] Kernel panic - not syncing: Fatal exception [ 105.676545][T10440] Kernel Offset: disabled [ 105.680872][T10440] Rebooting in 86400 seconds..