[....] Starting enhanced syslogd: rsyslogd[?25l[?1c7[ ok 8[?25h[?0c. [ 75.793906][ T27] audit: type=1800 audit(1582630896.619:25): pid=9570 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="cron" dev="sda1" ino=2414 res=0 [ 75.813630][ T27] audit: type=1800 audit(1582630896.619:26): pid=9570 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="mcstrans" dev="sda1" ino=2457 res=0 [ 75.840934][ T27] audit: type=1800 audit(1582630896.629:27): pid=9570 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="restorecond" dev="sda1" ino=2436 res=0 [....] Starting periodic command scheduler: cron[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting OpenBSD Secure Shell server: sshd[?25l[?1c7[ ok 8[?25h[?0c. Debian GNU/Linux 7 syzkaller ttyS0 Warning: Permanently added '10.128.0.186' (ECDSA) to the list of known hosts. syzkaller login: [ 89.624437][ T9724] IPVS: ftp: loaded support on port[0] = 21 [ 89.671966][ T9724] chnl_net:caif_netlink_parms(): no params data found [ 89.708080][ T9724] bridge0: port 1(bridge_slave_0) entered blocking state [ 89.715500][ T9724] bridge0: port 1(bridge_slave_0) entered disabled state [ 89.723482][ T9724] device bridge_slave_0 entered promiscuous mode [ 89.731798][ T9724] bridge0: port 2(bridge_slave_1) entered blocking state [ 89.738923][ T9724] bridge0: port 2(bridge_slave_1) entered disabled state [ 89.746694][ T9724] device bridge_slave_1 entered promiscuous mode [ 89.763739][ T9724] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 89.774493][ T9724] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 89.794260][ T9724] team0: Port device team_slave_0 added [ 89.801660][ T9724] team0: Port device team_slave_1 added [ 89.815991][ T9724] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 89.823032][ T9724] 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. [ 89.848980][ T9724] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 89.861819][ T9724] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 89.868776][ T9724] 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. [ 89.894904][ T9724] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 89.953369][ T9724] device hsr_slave_0 entered promiscuous mode [ 89.991337][ T9724] device hsr_slave_1 entered promiscuous mode [ 90.117996][ T9724] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 90.174309][ T9724] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 90.223433][ T9724] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 90.263566][ T9724] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 90.326106][ T9724] bridge0: port 2(bridge_slave_1) entered blocking state [ 90.333332][ T9724] bridge0: port 2(bridge_slave_1) entered forwarding state [ 90.341418][ T9724] bridge0: port 1(bridge_slave_0) entered blocking state [ 90.348514][ T9724] bridge0: port 1(bridge_slave_0) entered forwarding state [ 90.394556][ T9724] 8021q: adding VLAN 0 to HW filter on device bond0 [ 90.407717][ T2794] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 90.418094][ T2794] bridge0: port 1(bridge_slave_0) entered disabled state [ 90.426026][ T2794] bridge0: port 2(bridge_slave_1) entered disabled state [ 90.434562][ T2794] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 90.448382][ T9724] 8021q: adding VLAN 0 to HW filter on device team0 [ 90.459552][ T2706] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 90.468125][ T2706] bridge0: port 1(bridge_slave_0) entered blocking state [ 90.475209][ T2706] bridge0: port 1(bridge_slave_0) entered forwarding state [ 90.487678][ T2794] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 90.496618][ T2794] bridge0: port 2(bridge_slave_1) entered blocking state [ 90.503728][ T2794] bridge0: port 2(bridge_slave_1) entered forwarding state [ 90.522678][ T2813] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 90.531942][ T2813] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 90.545342][ T2706] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 90.563618][ T9724] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 90.574222][ T9724] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 90.587010][ T2706] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 90.595836][ T2706] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 90.604171][ T2706] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 90.621530][ T2813] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 90.629181][ T2813] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 90.642863][ T9724] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 90.664690][ T2706] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 90.684503][ T2706] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 90.693293][ T2706] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 90.703538][ T2809] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 90.711734][ T2809] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 90.720606][ T9724] device veth0_vlan entered promiscuous mode [ 90.733761][ T9724] device veth1_vlan entered promiscuous mode [ 90.754168][ T2813] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 90.762527][ T2813] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 90.770487][ T2813] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 90.779523][ T2813] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 90.790582][ T9724] device veth0_macvtap entered promiscuous mode [ 90.800322][ T9724] device veth1_macvtap entered promiscuous mode [ 90.819763][ T9724] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 90.827639][ T2809] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 90.836876][ T2809] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 90.845354][ T2809] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 90.854412][ T2809] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 90.867551][ T9724] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 90.875228][ T2813] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 90.884752][ T2813] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready executing program [ 91.118044][ T9724] infiniband syz1: set active [ 91.123794][ T9724] infiniband syz1: added vlan0 [ 91.153182][ T9724] general protection fault, probably for non-canonical address 0xdffffc0000000086: 0000 [#1] PREEMPT SMP KASAN [ 91.165367][ T9724] KASAN: null-ptr-deref in range [0x0000000000000430-0x0000000000000437] [ 91.173763][ T9724] CPU: 0 PID: 9724 Comm: syz-executor264 Not tainted 5.6.0-rc3-syzkaller #0 [ 91.183505][ T9724] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 91.193565][ T9724] RIP: 0010:rds_ib_add_one+0xba/0xcb0 [ 91.198921][ T9724] 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 [ 91.218594][ T9724] RSP: 0018:ffffc900062cef28 EFLAGS: 00010202 [ 91.224648][ T9724] RAX: dffffc0000000000 RBX: 0000000000000000 RCX: ffffffff8767eaeb [ 91.232603][ T9724] RDX: 0000000000000086 RSI: ffffffff8767eb09 RDI: 0000000000000430 [ 91.240570][ T9724] RBP: ffffc900062cef60 R08: ffff888093866040 R09: ffffed10126cd09c [ 91.248531][ T9724] R10: ffffed10126cd09b R11: ffff8880936684df R12: ffff888093668558 [ 91.256541][ T9724] R13: ffff888093668000 R14: ffffffff8a905940 R15: ffffffff8a9059d0 [ 91.264497][ T9724] FS: 0000000001b66880(0000) GS:ffff8880ae800000(0000) knlGS:0000000000000000 [ 91.273409][ T9724] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 91.279972][ T9724] CR2: 00007f59dd27d000 CR3: 0000000097853000 CR4: 00000000001406f0 [ 91.287927][ T9724] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 91.298095][ T9724] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 91.306108][ T9724] Call Trace: [ 91.309383][ T9724] ? rds_ib_remove_one+0x290/0x290 [ 91.314788][ T9724] add_client_context+0x3dd/0x550 [ 91.319804][ T9724] ? ib_device_get_by_netdev+0x530/0x530 [ 91.325439][ T9724] ? rxe_enable_driver+0x68/0x90 [ 91.330401][ T9724] enable_device_and_get+0x1df/0x3c0 [ 91.335677][ T9724] ? add_one_compat_dev+0x7e0/0x7e0 [ 91.340864][ T9724] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 91.346630][ T9724] ib_register_device+0xa89/0xe40 [ 91.351707][ T9724] ? enable_device_and_get+0x3c0/0x3c0 [ 91.357244][ T9724] rxe_register_device+0x52e/0x655 [ 91.362368][ T9724] rxe_add+0x122b/0x1661 [ 91.366651][ T9724] rxe_net_add+0x91/0xf0 [ 91.370895][ T9724] rxe_newlink+0x39/0x90 [ 91.375136][ T9724] nldev_newlink+0x28a/0x430 [ 91.379745][ T9724] ? nldev_set_doit+0x420/0x420 [ 91.384610][ T9724] ? apparmor_cred_prepare+0x7b0/0x7b0 [ 91.390059][ T9724] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 91.396284][ T9724] ? cap_capable+0x205/0x270 [ 91.400863][ T9724] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 91.407108][ T9724] ? ns_capable+0x20/0x30 [ 91.411431][ T9724] ? __netlink_ns_capable+0x104/0x140 [ 91.416800][ T9724] ? nldev_set_doit+0x420/0x420 [ 91.421700][ T9724] rdma_nl_rcv+0x5d9/0x980 [ 91.427119][ T9724] ? rdma_nl_multicast+0x330/0x330 [ 91.432229][ T9724] ? __kasan_check_read+0x11/0x20 [ 91.437237][ T9724] ? netlink_deliver_tap+0x248/0xbf0 [ 91.442509][ T9724] ? __kasan_check_write+0x14/0x20 [ 91.447608][ T9724] netlink_unicast+0x59e/0x7e0 [ 91.452355][ T9724] ? netlink_attachskb+0x870/0x870 [ 91.457444][ T9724] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 91.463183][ T9724] ? __check_object_size+0x3d/0x437 [ 91.468405][ T9724] netlink_sendmsg+0x91c/0xea0 [ 91.473159][ T9724] ? netlink_unicast+0x7e0/0x7e0 [ 91.478120][ T9724] ? aa_sock_msg_perm.isra.0+0xba/0x170 [ 91.483650][ T9724] ? apparmor_socket_sendmsg+0x2a/0x30 [ 91.489174][ T9724] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 91.495392][ T9724] ? security_socket_sendmsg+0x8d/0xc0 [ 91.500845][ T9724] ? netlink_unicast+0x7e0/0x7e0 [ 91.505789][ T9724] sock_sendmsg+0xd7/0x130 [ 91.510187][ T9724] ____sys_sendmsg+0x753/0x880 [ 91.514944][ T9724] ? kernel_sendmsg+0x50/0x50 [ 91.519888][ T9724] ___sys_sendmsg+0x100/0x170 [ 91.524555][ T9724] ? sendmsg_copy_msghdr+0x70/0x70 [ 91.529694][ T9724] ? do_huge_pmd_anonymous_page+0xceb/0x1a50 [ 91.535690][ T9724] ? prep_transhuge_page+0xa0/0xa0 [ 91.540819][ T9724] ? do_page_fault+0x579/0x12e1 [ 91.545649][ T9724] ? find_held_lock+0x35/0x130 [ 91.550393][ T9724] ? do_page_fault+0x579/0x12e1 [ 91.555244][ T9724] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 91.561463][ T9724] ? __fget_light+0x1ad/0x270 [ 91.566119][ T9724] ? __fdget+0x1b/0x20 [ 91.570164][ T9724] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 91.576421][ T9724] __sys_sendmsg+0x105/0x1d0 [ 91.581030][ T9724] ? __sys_sendmsg_sock+0xc0/0xc0 [ 91.586039][ T9724] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 91.591488][ T9724] ? do_syscall_64+0x26/0x790 [ 91.596139][ T9724] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 91.602200][ T9724] ? do_syscall_64+0x26/0x790 [ 91.606870][ T9724] __x64_sys_sendmsg+0x78/0xb0 [ 91.612702][ T9724] do_syscall_64+0xfa/0x790 [ 91.617190][ T9724] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 91.623060][ T9724] RIP: 0033:0x4434a9 [ 91.626939][ T9724] 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 [ 91.646520][ T9724] RSP: 002b:00007ffff8aa19a8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 91.654965][ T9724] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00000000004434a9 [ 91.662977][ T9724] RDX: 0000000000000000 RSI: 0000000020000000 RDI: 0000000000000003 [ 91.670931][ T9724] RBP: 00007ffff8aa19c0 R08: 0000000001bbbbbb R09: 0000000001bbbbbb [ 91.678890][ T9724] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 91.686842][ T9724] R13: 0000000000404a40 R14: 0000000000000000 R15: 0000000000000000 [ 91.694796][ T9724] Modules linked in: [ 91.703753][ T9724] ---[ end trace 64da4b875ab6b978 ]--- [ 91.709222][ T9724] RIP: 0010:rds_ib_add_one+0xba/0xcb0 [ 91.714829][ T9724] 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 [ 91.734585][ T9724] RSP: 0018:ffffc900062cef28 EFLAGS: 00010202 [ 91.740628][ T9724] RAX: dffffc0000000000 RBX: 0000000000000000 RCX: ffffffff8767eaeb [ 91.748641][ T9724] RDX: 0000000000000086 RSI: ffffffff8767eb09 RDI: 0000000000000430 [ 91.756828][ T9724] RBP: ffffc900062cef60 R08: ffff888093866040 R09: ffffed10126cd09c [ 91.765653][ T9724] R10: ffffed10126cd09b R11: ffff8880936684df R12: ffff888093668558 [ 91.773780][ T9724] R13: ffff888093668000 R14: ffffffff8a905940 R15: ffffffff8a9059d0 [ 91.782273][ T9724] FS: 0000000001b66880(0000) GS:ffff8880ae800000(0000) knlGS:0000000000000000 [ 91.791218][ T9724] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 91.797800][ T9724] CR2: 00007f59dd27d000 CR3: 0000000097853000 CR4: 00000000001406f0 [ 91.805797][ T9724] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 91.813791][ T9724] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 91.822147][ T9724] Kernel panic - not syncing: Fatal exception [ 91.829660][ T9724] Kernel Offset: disabled [ 91.833979][ T9724] Rebooting in 86400 seconds..