[ 39.500276] audit: type=1800 audit(1546642559.471:27): pid=7693 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="restorecond" dev="sda1" ino=2436 res=0 [ 39.520983] audit: type=1800 audit(1546642559.471:28): pid=7693 uid=0 auid=4294967295 ses=4294967295 subj=_ 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. [ 40.197461] audit: type=1800 audit(1546642560.241:29): pid=7693 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="rc.local" dev="sda1" ino=2432 res=0 [ 40.219139] audit: type=1800 audit(1546642560.241:30): pid=7693 uid=0 auid=4294967295 ses=4294967295 subj=_ 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 '10.128.10.5' (ECDSA) to the list of known hosts. 2019/01/04 22:56:08 parsed 1 programs 2019/01/04 22:56:09 executed programs: 0 syzkaller login: [ 49.943304] IPVS: ftp: loaded support on port[0] = 21 [ 50.003216] chnl_net:caif_netlink_parms(): no params data found [ 50.034750] bridge0: port 1(bridge_slave_0) entered blocking state [ 50.041519] bridge0: port 1(bridge_slave_0) entered disabled state [ 50.048522] device bridge_slave_0 entered promiscuous mode [ 50.055738] bridge0: port 2(bridge_slave_1) entered blocking state [ 50.062187] bridge0: port 2(bridge_slave_1) entered disabled state [ 50.069192] device bridge_slave_1 entered promiscuous mode [ 50.086036] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 50.095085] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 50.110713] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 50.117956] team0: Port device team_slave_0 added [ 50.123512] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 50.130888] team0: Port device team_slave_1 added [ 50.136016] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 50.143384] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 50.222197] device hsr_slave_0 entered promiscuous mode [ 50.270882] device hsr_slave_1 entered promiscuous mode [ 50.331197] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_0: link is not ready [ 50.338105] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_1: link is not ready [ 50.351528] bridge0: port 2(bridge_slave_1) entered blocking state [ 50.357931] bridge0: port 2(bridge_slave_1) entered forwarding state [ 50.364784] bridge0: port 1(bridge_slave_0) entered blocking state [ 50.371173] bridge0: port 1(bridge_slave_0) entered forwarding state [ 50.401729] IPv6: ADDRCONF(NETDEV_UP): bond0: link is not ready [ 50.407777] 8021q: adding VLAN 0 to HW filter on device bond0 [ 50.416851] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 50.426277] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 50.445660] bridge0: port 1(bridge_slave_0) entered disabled state [ 50.452922] bridge0: port 2(bridge_slave_1) entered disabled state [ 50.460103] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 50.471511] IPv6: ADDRCONF(NETDEV_UP): team0: link is not ready [ 50.477582] 8021q: adding VLAN 0 to HW filter on device team0 [ 50.486052] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 50.493914] bridge0: port 1(bridge_slave_0) entered blocking state [ 50.500230] bridge0: port 1(bridge_slave_0) entered forwarding state [ 50.521572] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 50.529144] bridge0: port 2(bridge_slave_1) entered blocking state [ 50.535524] bridge0: port 2(bridge_slave_1) entered forwarding state [ 50.543096] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 50.551105] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 50.558569] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 50.566161] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 50.574800] IPv6: ADDRCONF(NETDEV_UP): hsr0: link is not ready [ 50.580859] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 50.587843] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 50.601496] IPv6: ADDRCONF(NETDEV_UP): vxcan1: link is not ready [ 50.611462] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 50.667944] kasan: CONFIG_KASAN_INLINE enabled [ 50.672797] kasan: GPF could be caused by NULL-ptr deref or user memory access [ 50.680177] general protection fault: 0000 [#1] PREEMPT SMP KASAN [ 50.686396] CPU: 0 PID: 7866 Comm: syz-executor0 Not tainted 4.20.0+ #9 [ 50.693139] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 50.702492] RIP: 0010:__smc_diag_dump.isra.0+0x32a/0x2ba0 [ 50.708017] Code: 48 89 fa 48 c1 ea 03 80 3c 02 00 0f 85 26 25 00 00 48 b8 00 00 00 00 00 fc ff df 4d 8b 7f 20 49 8d 7f 0e 48 89 fa 48 c1 ea 03 <0f> b6 14 02 48 89 f8 83 e0 07 83 c0 01 38 d0 7c 08 84 d2 0f 85 d2 [ 50.726915] RSP: 0018:ffff888082bd7120 EFLAGS: 00010203 [ 50.732262] RAX: dffffc0000000000 RBX: ffff8880a5eb9240 RCX: 0000000000000000 [ 50.739514] RDX: 0000000000000001 RSI: ffffffff87b6b452 RDI: 000000000000000e [ 50.746767] RBP: ffff888082bd73e8 R08: ffff8880a58b8040 R09: ffff888095d50f7c [ 50.754043] R10: ffffed1012baa1e5 R11: ffff888095d50f2b R12: ffff8880a6a349a0 [ 50.761304] R13: ffff888095d50f2c R14: ffff8880a5eb96a0 R15: 0000000000000000 [ 50.768562] FS: 00007fea38476700(0000) GS:ffff8880ae600000(0000) knlGS:0000000000000000 [ 50.776772] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 50.782640] CR2: 00000000012a4e80 CR3: 000000008c8a1000 CR4: 00000000001406f0 [ 50.789891] Call Trace: [ 50.792467] ? __kmalloc_node_track_caller+0x4e/0x70 [ 50.797988] ? __alloc_skb+0x185/0x730 [ 50.801877] ? smc_diag_handler_dump+0x350/0x350 [ 50.806616] ? sock_sendmsg+0xdd/0x130 [ 50.810489] ? ___sys_sendmsg+0x7ec/0x910 [ 50.814622] ? __sys_sendmsg+0x112/0x270 [ 50.818670] ? __sys_sendmsg+0x230/0x270 [ 50.822717] ? do_syscall_64+0x1a3/0x800 [ 50.826765] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 50.832295] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 50.837824] ? check_preemption_disabled+0x48/0x290 [ 50.842831] ? __lock_is_held+0xb6/0x140 [ 50.846885] ? __kmalloc_node_track_caller+0x3d/0x70 [ 50.851979] ? lock_acquire+0x1db/0x570 [ 50.855940] ? smc_diag_dump_proto.isra.0+0xfb/0x3c0 [ 50.861037] ? lock_release+0xc40/0xc40 [ 50.865035] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 50.870568] ? kasan_check_write+0x14/0x20 [ 50.874821] smc_diag_dump_proto.isra.0+0x2e7/0x3c0 [ 50.879828] ? __smc_diag_dump.isra.0+0x2ba0/0x2ba0 [ 50.884833] ? find_held_lock+0x35/0x120 [ 50.888883] smc_diag_dump+0x27/0x80 [ 50.892587] netlink_dump+0x5f2/0x1070 [ 50.896466] ? netlink_broadcast+0x50/0x50 [ 50.900703] __netlink_dump_start+0x5b4/0x7e0 [ 50.905189] smc_diag_handler_dump+0x2a7/0x350 [ 50.909757] ? smc_gid_be16_convert+0x2c0/0x2c0 [ 50.914409] ? lock_downgrade+0x910/0x910 [ 50.918544] ? smc_diag_dump_proto.isra.0+0x3c0/0x3c0 [ 50.923725] ? rcu_read_unlock_special+0x380/0x380 [ 50.928645] sock_diag_rcv_msg+0x322/0x410 [ 50.932870] netlink_rcv_skb+0x17d/0x410 [ 50.936921] ? sock_diag_bind+0x80/0x80 [ 50.940886] ? netlink_ack+0xba0/0xba0 [ 50.944770] sock_diag_rcv+0x2b/0x40 [ 50.948486] netlink_unicast+0x574/0x770 [ 50.952539] ? netlink_attachskb+0x980/0x980 [ 50.956932] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 50.962468] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 50.967499] netlink_sendmsg+0xa05/0xf90 [ 50.971561] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 50.977094] ? netlink_unicast+0x770/0x770 [ 50.981326] ? smack_socket_sendmsg+0xb1/0x1a0 [ 50.985900] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 50.991426] ? security_socket_sendmsg+0x93/0xc0 [ 50.996172] ? netlink_unicast+0x770/0x770 [ 51.000396] sock_sendmsg+0xdd/0x130 [ 51.004113] ___sys_sendmsg+0x7ec/0x910 [ 51.008090] ? copy_msghdr_from_user+0x570/0x570 [ 51.012830] ? iterate_fd+0x4b0/0x4b0 [ 51.016641] ? __might_fault+0x12b/0x1e0 [ 51.020698] ? find_held_lock+0x35/0x120 [ 51.024759] ? __might_fault+0x12b/0x1e0 [ 51.028809] ? __fget_light+0x2db/0x420 [ 51.032792] ? fget_raw+0x20/0x20 [ 51.036233] ? lock_release+0xc40/0xc40 [ 51.040213] ? trace_hardirqs_off_caller+0x300/0x300 [ 51.045320] ? __fdget+0x1b/0x20 [ 51.048681] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 51.054208] ? sockfd_lookup_light+0xc2/0x160 [ 51.058700] __sys_sendmsg+0x112/0x270 [ 51.062590] ? __ia32_sys_shutdown+0x80/0x80 [ 51.066993] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 51.072352] ? trace_hardirqs_off_caller+0x300/0x300 [ 51.077454] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 51.082198] __x64_sys_sendmsg+0x78/0xb0 [ 51.086247] do_syscall_64+0x1a3/0x800 [ 51.090125] ? syscall_return_slowpath+0x5f0/0x5f0 [ 51.095049] ? prepare_exit_to_usermode+0x232/0x3b0 [ 51.100076] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 51.104912] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 51.110090] RIP: 0033:0x457ec9 [ 51.113272] Code: 6d b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 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 3b b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 51.132157] RSP: 002b:00007fea38475c78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 51.139850] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000457ec9 [ 51.147109] RDX: 0000000000000000 RSI: 0000000020000040 RDI: 0000000000000008 [ 51.154363] RBP: 000000000073bf00 R08: 0000000000000000 R09: 0000000000000000 [ 51.161633] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fea384766d4 [ 51.168899] R13: 00000000004c5188 R14: 00000000004d8a10 R15: 00000000ffffffff [ 51.176158] Modules linked in: [ 51.179386] ---[ end trace f1c9950b38adbf94 ]--- [ 51.184158] RIP: 0010:__smc_diag_dump.isra.0+0x32a/0x2ba0 [ 51.189689] Code: 48 89 fa 48 c1 ea 03 80 3c 02 00 0f 85 26 25 00 00 48 b8 00 00 00 00 00 fc ff df 4d 8b 7f 20 49 8d 7f 0e 48 89 fa 48 c1 ea 03 <0f> b6 14 02 48 89 f8 83 e0 07 83 c0 01 38 d0 7c 08 84 d2 0f 85 d2 [ 51.208599] RSP: 0018:ffff888082bd7120 EFLAGS: 00010203 [ 51.213968] RAX: dffffc0000000000 RBX: ffff8880a5eb9240 RCX: 0000000000000000 [ 51.221244] RDX: 0000000000000001 RSI: ffffffff87b6b452 RDI: 000000000000000e [ 51.228520] RBP: ffff888082bd73e8 R08: ffff8880a58b8040 R09: ffff888095d50f7c [ 51.235797] R10: ffffed1012baa1e5 R11: ffff888095d50f2b R12: ffff8880a6a349a0 [ 51.243079] R13: ffff888095d50f2c R14: ffff8880a5eb96a0 R15: 0000000000000000 [ 51.250376] FS: 00007fea38476700(0000) GS:ffff8880ae600000(0000) knlGS:0000000000000000 [ 51.258637] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 51.264546] CR2: 00000000012a4e80 CR3: 000000008c8a1000 CR4: 00000000001406f0 [ 51.271826] Kernel panic - not syncing: Fatal exception [ 51.278036] Kernel Offset: disabled [ 51.281659] Rebooting in 86400 seconds..