[....] Starting enhanced syslogd: rsyslogd[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting periodic command scheduler: cron[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting OpenBSD Secure Shell server: sshd[?25l[?1c7[ ok 8[?25h[?0c. [ 65.977574][ T26] kauditd_printk_skb: 7 callbacks suppressed [ 65.977584][ T26] audit: type=1800 audit(1564633575.526:29): pid=9689 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 [ 66.016311][ T26] audit: type=1800 audit(1564633575.526:30): pid=9689 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 '10.128.0.84' (ECDSA) to the list of known hosts. 2019/08/01 04:26:27 parsed 1 programs 2019/08/01 04:26:28 executed programs: 0 syzkaller login: [ 79.352908][ T9856] IPVS: ftp: loaded support on port[0] = 21 [ 79.400314][ T9856] chnl_net:caif_netlink_parms(): no params data found [ 79.421334][ T9856] bridge0: port 1(bridge_slave_0) entered blocking state [ 79.428592][ T9856] bridge0: port 1(bridge_slave_0) entered disabled state [ 79.436182][ T9856] device bridge_slave_0 entered promiscuous mode [ 79.443583][ T9856] bridge0: port 2(bridge_slave_1) entered blocking state [ 79.450849][ T9856] bridge0: port 2(bridge_slave_1) entered disabled state [ 79.458558][ T9856] device bridge_slave_1 entered promiscuous mode [ 79.472185][ T9856] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 79.482730][ T9856] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 79.498291][ T9856] team0: Port device team_slave_0 added [ 79.504773][ T9856] team0: Port device team_slave_1 added [ 79.566152][ T9856] device hsr_slave_0 entered promiscuous mode [ 79.614769][ T9856] device hsr_slave_1 entered promiscuous mode [ 79.659874][ T9856] bridge0: port 2(bridge_slave_1) entered blocking state [ 79.667003][ T9856] bridge0: port 2(bridge_slave_1) entered forwarding state [ 79.674592][ T9856] bridge0: port 1(bridge_slave_0) entered blocking state [ 79.681642][ T9856] bridge0: port 1(bridge_slave_0) entered forwarding state [ 79.707691][ T9856] 8021q: adding VLAN 0 to HW filter on device bond0 [ 79.718652][ T2984] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 79.737346][ T2984] bridge0: port 1(bridge_slave_0) entered disabled state [ 79.755150][ T2984] bridge0: port 2(bridge_slave_1) entered disabled state [ 79.762993][ T2984] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 79.773640][ T9856] 8021q: adding VLAN 0 to HW filter on device team0 [ 79.782908][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 79.791542][ T12] bridge0: port 1(bridge_slave_0) entered blocking state [ 79.798616][ T12] bridge0: port 1(bridge_slave_0) entered forwarding state [ 79.814884][ T2984] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 79.823308][ T2984] bridge0: port 2(bridge_slave_1) entered blocking state [ 79.830388][ T2984] bridge0: port 2(bridge_slave_1) entered forwarding state [ 79.838465][ T2984] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 79.846852][ T2984] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 79.855619][ T9858] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 79.865551][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 79.876206][ T9856] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 79.888328][ T9856] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 79.896878][ T2984] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 79.910796][ T9856] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 80.019779][ T9866] kasan: CONFIG_KASAN_INLINE enabled [ 80.025623][ T9866] kasan: GPF could be caused by NULL-ptr deref or user memory access [ 80.033965][ T9866] general protection fault: 0000 [#1] PREEMPT SMP KASAN [ 80.040971][ T9866] CPU: 1 PID: 9866 Comm: syz-executor.0 Not tainted 5.3.0-rc2-next-20190731 #56 [ 80.050171][ T9866] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 80.060227][ T9866] RIP: 0010:tls_sk_proto_close+0x90/0x4a0 [ 80.065934][ T9866] Code: 3c 02 00 0f 85 dd 03 00 00 49 8b 84 24 c0 02 00 00 4d 8d 75 14 4c 89 f2 48 c1 ea 03 48 89 45 b8 48 b8 00 00 00 00 00 fc ff df <0f> b6 04 02 4c 89 f2 83 e2 07 38 d0 7f 08 84 c0 0f 85 67 03 00 00 [ 80.085755][ T9866] RSP: 0018:ffff88808ec3fc70 EFLAGS: 00010203 [ 80.091797][ T9866] RAX: dffffc0000000000 RBX: 00000000fffffff0 RCX: ffffffff862dfa5c [ 80.099745][ T9866] RDX: 0000000000000002 RSI: ffffffff862df80d RDI: ffff88809002ef40 [ 80.107692][ T9866] RBP: ffff88808ec3fcb8 R08: ffff8880958d4380 R09: ffffed1012005da2 [ 80.115657][ T9866] R10: ffffed1012005da1 R11: ffff88809002ed0b R12: ffff88809002ec80 [ 80.123613][ T9866] R13: 0000000000000000 R14: 0000000000000014 R15: 0000000000000001 [ 80.131653][ T9866] FS: 0000555557139940(0000) GS:ffff8880ae900000(0000) knlGS:0000000000000000 [ 80.140569][ T9866] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 80.147149][ T9866] CR2: 0000000000780000 CR3: 00000000a0a1d000 CR4: 00000000001406e0 [ 80.155110][ T9866] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 80.163064][ T9866] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 80.171019][ T9866] Call Trace: [ 80.174377][ T9866] ? _raw_spin_unlock_bh+0x31/0x40 [ 80.179480][ T9866] tls_sk_proto_close+0x2a9/0x4a0 [ 80.184482][ T9866] ? _raw_spin_unlock+0x30/0x50 [ 80.189484][ T9866] ? tls_sk_proto_unhash+0x3f0/0x3f0 [ 80.194977][ T9866] tcp_bpf_close+0x17c/0x390 [ 80.199636][ T9866] inet_release+0xed/0x200 [ 80.204058][ T9866] inet6_release+0x53/0x80 [ 80.208456][ T9866] __sock_release+0xce/0x280 [ 80.213160][ T9866] sock_close+0x1e/0x30 [ 80.217316][ T9866] __fput+0x2ff/0x890 [ 80.221298][ T9866] ? __sock_release+0x280/0x280 [ 80.226137][ T9866] ____fput+0x16/0x20 [ 80.230133][ T9866] task_work_run+0x145/0x1c0 [ 80.234886][ T9866] exit_to_usermode_loop+0x316/0x380 [ 80.240267][ T9866] do_syscall_64+0x65f/0x760 [ 80.244845][ T9866] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 80.250723][ T9866] RIP: 0033:0x4134f0 [ 80.254704][ T9866] Code: 01 f0 ff ff 0f 83 30 1b 00 00 c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 3d 9d 2d 66 00 00 75 14 b8 03 00 00 00 0f 05 <48> 3d 01 f0 ff ff 0f 83 04 1b 00 00 c3 48 83 ec 08 e8 0a fc ff ff [ 80.274396][ T9866] RSP: 002b:00007ffc6014a1a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000003 [ 80.282798][ T9866] RAX: 0000000000000000 RBX: 0000000000000006 RCX: 00000000004134f0 [ 80.290948][ T9866] RDX: 0000001b33b20000 RSI: 0000000000000000 RDI: 0000000000000005 [ 80.298910][ T9866] RBP: 0000000000000001 R08: 0000000000000000 R09: ffffffffffffffff [ 80.306973][ T9866] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000075bf20 [ 80.314935][ T9866] R13: 0000000000000003 R14: 0000000000761178 R15: ffffffffffffffff [ 80.322900][ T9866] Modules linked in: [ 80.328642][ T9866] ---[ end trace 83912e2b703155bb ]--- [ 80.334217][ T9866] RIP: 0010:tls_sk_proto_close+0x90/0x4a0 [ 80.340320][ T9866] Code: 3c 02 00 0f 85 dd 03 00 00 49 8b 84 24 c0 02 00 00 4d 8d 75 14 4c 89 f2 48 c1 ea 03 48 89 45 b8 48 b8 00 00 00 00 00 fc ff df <0f> b6 04 02 4c 89 f2 83 e2 07 38 d0 7f 08 84 c0 0f 85 67 03 00 00 [ 80.360435][ T9866] RSP: 0018:ffff88808ec3fc70 EFLAGS: 00010203 [ 80.366835][ T9866] RAX: dffffc0000000000 RBX: 00000000fffffff0 RCX: ffffffff862dfa5c [ 80.375133][ T9866] RDX: 0000000000000002 RSI: ffffffff862df80d RDI: ffff88809002ef40 [ 80.383092][ T9866] RBP: ffff88808ec3fcb8 R08: ffff8880958d4380 R09: ffffed1012005da2 [ 80.391302][ T9866] R10: ffffed1012005da1 R11: ffff88809002ed0b R12: ffff88809002ec80 [ 80.399800][ T9866] R13: 0000000000000000 R14: 0000000000000014 R15: 0000000000000001 [ 80.408016][ T9866] FS: 0000555557139940(0000) GS:ffff8880ae900000(0000) knlGS:0000000000000000 [ 80.417055][ T9866] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 80.423644][ T9866] CR2: 0000000000780000 CR3: 00000000a0a1d000 CR4: 00000000001406e0 [ 80.432206][ T9866] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 80.440485][ T9866] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 80.448736][ T9866] Kernel panic - not syncing: Fatal exception [ 80.456019][ T9866] Kernel Offset: disabled [ 80.460342][ T9866] Rebooting in 86400 seconds..