[ 35.652584][ T26] audit: type=1800 audit(1553650378.499:27): pid=7488 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="restorecond" dev="sda1" ino=2436 res=0 [ 35.687522][ T26] audit: type=1800 audit(1553650378.499:28): pid=7488 uid=0 auid=4294967295 ses=4294967295 subj==unconfined 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 OpenBSD Secure Shell server: sshd[?25l[?1c7[ ok 8[?25h[?0c. [ 36.563163][ T26] audit: type=1800 audit(1553650379.459:29): pid=7488 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="rc.local" dev="sda1" ino=2432 res=0 [ 36.583363][ T26] audit: type=1800 audit(1553650379.459:30): pid=7488 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="rmnologin" dev="sda1" ino=2423 res=0 Debian GNU/Linux 7 syzkaller ttyS0 Warning: Permanently added '10.128.0.16' (ECDSA) to the list of known hosts. 2019/03/27 01:33:10 parsed 1 programs 2019/03/27 01:33:12 executed programs: 0 syzkaller login: [ 49.559397][ T7654] IPVS: ftp: loaded support on port[0] = 21 [ 49.617116][ T7654] chnl_net:caif_netlink_parms(): no params data found [ 49.649045][ T7654] bridge0: port 1(bridge_slave_0) entered blocking state [ 49.657437][ T7654] bridge0: port 1(bridge_slave_0) entered disabled state [ 49.665841][ T7654] device bridge_slave_0 entered promiscuous mode [ 49.674976][ T7654] bridge0: port 2(bridge_slave_1) entered blocking state [ 49.682083][ T7654] bridge0: port 2(bridge_slave_1) entered disabled state [ 49.690872][ T7654] device bridge_slave_1 entered promiscuous mode [ 49.707210][ T7654] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 49.717421][ T7654] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 49.736150][ T7654] team0: Port device team_slave_0 added [ 49.743148][ T7654] team0: Port device team_slave_1 added [ 49.805956][ T7654] device hsr_slave_0 entered promiscuous mode [ 49.854671][ T7654] device hsr_slave_1 entered promiscuous mode [ 49.911406][ T7654] bridge0: port 2(bridge_slave_1) entered blocking state [ 49.919355][ T7654] bridge0: port 2(bridge_slave_1) entered forwarding state [ 49.927776][ T7654] bridge0: port 1(bridge_slave_0) entered blocking state [ 49.935379][ T7654] bridge0: port 1(bridge_slave_0) entered forwarding state [ 49.967709][ T7654] 8021q: adding VLAN 0 to HW filter on device bond0 [ 49.981557][ T2999] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 49.992186][ T2999] bridge0: port 1(bridge_slave_0) entered disabled state [ 50.001456][ T2999] bridge0: port 2(bridge_slave_1) entered disabled state [ 50.010005][ T2999] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 50.022825][ T7654] 8021q: adding VLAN 0 to HW filter on device team0 [ 50.034184][ T22] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 50.042662][ T22] bridge0: port 1(bridge_slave_0) entered blocking state [ 50.049875][ T22] bridge0: port 1(bridge_slave_0) entered forwarding state [ 50.061261][ T2999] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 50.071009][ T2999] bridge0: port 2(bridge_slave_1) entered blocking state [ 50.078776][ T2999] bridge0: port 2(bridge_slave_1) entered forwarding state [ 50.094666][ T22] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 50.104483][ T22] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 50.116446][ T7656] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 50.130196][ T7654] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 50.143152][ T7654] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 50.157054][ T22] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 50.166146][ T22] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 50.175432][ T22] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 50.190436][ T7654] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 50.341909][ T7679] kasan: CONFIG_KASAN_INLINE enabled [ 50.348306][ T7679] kasan: GPF could be caused by NULL-ptr deref or user memory access [ 50.357573][ T7679] general protection fault: 0000 [#1] PREEMPT SMP KASAN [ 50.364966][ T7679] CPU: 0 PID: 7679 Comm: syz-executor.0 Not tainted 5.1.0-rc2-next-20190326 #11 [ 50.374706][ T7679] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 50.385049][ T7679] RIP: 0010:tipc_mcast_filter_msg+0x70/0x17a0 [ 50.391109][ T7679] Code: 4c 39 e0 b8 00 00 00 00 4c 0f 44 e0 e8 29 01 a0 fa 48 b8 00 00 00 00 00 fc ff df 49 8d bc 24 c8 00 00 00 48 89 fa 48 c1 ea 03 <80> 3c 02 00 0f 85 43 13 00 00 49 8b 9c 24 c8 00 00 00 48 b8 00 00 [ 50.411416][ T7679] RSP: 0018:ffff88808aaf7958 EFLAGS: 00010202 [ 50.418158][ T7679] RAX: dffffc0000000000 RBX: ffff88808aaf7ab8 RCX: ffffffff86d8d0a4 [ 50.426604][ T7679] RDX: 0000000000000019 RSI: ffffffff86d06ef7 RDI: 00000000000000c8 [ 50.434947][ T7679] RBP: ffff88808aaf79c0 R08: ffff8880a7caa3c0 R09: ffffed1015d05bc8 [ 50.443489][ T7679] R10: ffffed1015d05bc7 R11: ffff8880ae82de3b R12: 0000000000000000 [ 50.451608][ T7679] R13: 0000000000000009 R14: ffff8880aa35c040 R15: ffff8880a8736cc0 [ 50.460089][ T7679] FS: 0000000001219940(0000) GS:ffff8880ae800000(0000) knlGS:0000000000000000 [ 50.469123][ T7679] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 50.475899][ T7679] CR2: 000000000073c000 CR3: 00000000a61c0000 CR4: 00000000001406f0 [ 50.484608][ T7679] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 50.492914][ T7679] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 50.501535][ T7679] Call Trace: [ 50.504914][ T7679] ? kfree_skbmem+0xaa/0x150 [ 50.509509][ T7679] tipc_sk_filter_rcv+0x1ed3/0x34b0 [ 50.515200][ T7679] ? debug_object_deactivate+0x29e/0x330 [ 50.521800][ T7679] ? find_held_lock+0x35/0x130 [ 50.526581][ T7679] ? tipc_sk_overlimit2+0xa0/0xa0 [ 50.531696][ T7679] ? lock_downgrade+0x880/0x880 [ 50.536809][ T7679] ? __lock_acquire+0x548/0x3fb0 [ 50.541886][ T7679] ? __release_sock+0xca/0x3a0 [ 50.546992][ T7679] tipc_sk_backlog_rcv+0xeb/0x1e0 [ 50.552471][ T7679] ? tipc_sk_mcast_rcv+0x1020/0x1020 [ 50.557749][ T7679] ? __local_bh_enable_ip+0x15a/0x270 [ 50.563356][ T7679] ? lockdep_hardirqs_on+0x418/0x5d0 [ 50.568818][ T7679] ? __release_sock+0xca/0x3a0 [ 50.574241][ T7679] ? trace_hardirqs_on+0x67/0x230 [ 50.579720][ T7679] ? __release_sock+0xca/0x3a0 [ 50.584479][ T7679] ? __local_bh_enable_ip+0x15a/0x270 [ 50.590336][ T7679] __release_sock+0x12e/0x3a0 [ 50.595476][ T7679] release_sock+0x59/0x1c0 [ 50.600373][ T7679] tipc_release+0x9ea/0x14d0 [ 50.605105][ T7679] __sock_release+0xd3/0x2b0 [ 50.609690][ T7679] ? __sock_release+0x2b0/0x2b0 [ 50.614664][ T7679] sock_close+0x1b/0x30 [ 50.619222][ T7679] __fput+0x2e5/0x8d0 [ 50.623431][ T7679] ____fput+0x16/0x20 [ 50.627413][ T7679] task_work_run+0x14a/0x1c0 [ 50.632153][ T7679] exit_to_usermode_loop+0x273/0x2c0 [ 50.637631][ T7679] do_syscall_64+0x52d/0x610 [ 50.642803][ T7679] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 50.658242][ T7679] RIP: 0033:0x411fc1 [ 50.662173][ T7679] Code: 75 14 b8 03 00 00 00 0f 05 48 3d 01 f0 ff ff 0f 83 e4 1a 00 00 c3 48 83 ec 08 e8 0a fc ff ff 48 89 04 24 b8 03 00 00 00 0f 05 <48> 8b 3c 24 48 89 c2 e8 53 fc ff ff 48 89 d0 48 83 c4 08 48 3d 01 [ 50.682514][ T7679] RSP: 002b:00007ffcc49c4a00 EFLAGS: 00000293 ORIG_RAX: 0000000000000003 [ 50.691087][ T7679] RAX: 0000000000000000 RBX: 0000000000000006 RCX: 0000000000411fc1 [ 50.699056][ T7679] RDX: 0000000000000000 RSI: 0000000000740900 RDI: 0000000000000005 [ 50.708445][ T7679] RBP: 0000000000000000 R08: 00000000007408f8 R09: 000000000000c496 [ 50.716437][ T7679] R10: 00007ffcc49c4920 R11: 0000000000000293 R12: 0000000000000001 [ 50.724904][ T7679] R13: 00007ffcc49c4a40 R14: 0000000000000000 R15: 00007ffcc49c4a50 [ 50.733056][ T7679] Modules linked in: [ 50.739549][ T7679] ---[ end trace a31949b47ae3c6b0 ]--- [ 50.745900][ T7679] RIP: 0010:tipc_mcast_filter_msg+0x70/0x17a0 [ 50.753230][ T7679] Code: 4c 39 e0 b8 00 00 00 00 4c 0f 44 e0 e8 29 01 a0 fa 48 b8 00 00 00 00 00 fc ff df 49 8d bc 24 c8 00 00 00 48 89 fa 48 c1 ea 03 <80> 3c 02 00 0f 85 43 13 00 00 49 8b 9c 24 c8 00 00 00 48 b8 00 00 [ 50.774552][ T7679] RSP: 0018:ffff88808aaf7958 EFLAGS: 00010202 [ 50.780633][ T7679] RAX: dffffc0000000000 RBX: ffff88808aaf7ab8 RCX: ffffffff86d8d0a4 [ 50.789221][ T7679] RDX: 0000000000000019 RSI: ffffffff86d06ef7 RDI: 00000000000000c8 [ 50.797764][ T7679] RBP: ffff88808aaf79c0 R08: ffff8880a7caa3c0 R09: ffffed1015d05bc8 [ 50.806086][ T7679] R10: ffffed1015d05bc7 R11: ffff8880ae82de3b R12: 0000000000000000 [ 50.814362][ T7679] R13: 0000000000000009 R14: ffff8880aa35c040 R15: ffff8880a8736cc0 [ 50.823398][ T7679] FS: 0000000001219940(0000) GS:ffff8880ae800000(0000) knlGS:0000000000000000 [ 50.832993][ T7679] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 50.839947][ T7679] CR2: 000000000073c000 CR3: 00000000a61c0000 CR4: 00000000001406f0 [ 50.848434][ T7679] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 50.856729][ T7679] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 50.865350][ T7679] Kernel panic - not syncing: Fatal exception [ 50.872939][ T7679] Kernel Offset: disabled [ 50.877449][ T7679] Rebooting in 86400 seconds..