[ 37.385056] audit: type=1800 audit(1546617854.057:27): pid=7581 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="restorecond" dev="sda1" ino=2436 res=0 [ 37.409459] audit: type=1800 audit(1546617854.057:28): pid=7581 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. [ 38.028154] audit: type=1800 audit(1546617854.747:29): pid=7581 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 [ 38.047756] audit: type=1800 audit(1546617854.747:30): pid=7581 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 '10.128.10.26' (ECDSA) to the list of known hosts. 2019/01/04 16:04:30 parsed 1 programs syzkaller login: [ 55.276718] ld (7742) used greatest stack depth: 19384 bytes left 2019/01/04 16:04:32 executed programs: 0 [ 55.428762] IPVS: ftp: loaded support on port[0] = 21 [ 55.489729] chnl_net:caif_netlink_parms(): no params data found [ 55.521237] bridge0: port 1(bridge_slave_0) entered blocking state [ 55.527865] bridge0: port 1(bridge_slave_0) entered disabled state [ 55.534930] device bridge_slave_0 entered promiscuous mode [ 55.542153] bridge0: port 2(bridge_slave_1) entered blocking state [ 55.548647] bridge0: port 2(bridge_slave_1) entered disabled state [ 55.556092] device bridge_slave_1 entered promiscuous mode [ 55.571441] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 55.579986] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 55.596055] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 55.603468] team0: Port device team_slave_0 added [ 55.608761] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 55.615977] team0: Port device team_slave_1 added [ 55.621222] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 55.628421] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 55.693113] device hsr_slave_0 entered promiscuous mode [ 55.731207] device hsr_slave_1 entered promiscuous mode [ 55.791418] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_0: link is not ready [ 55.798288] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_1: link is not ready [ 55.812740] bridge0: port 2(bridge_slave_1) entered blocking state [ 55.819127] bridge0: port 2(bridge_slave_1) entered forwarding state [ 55.825889] bridge0: port 1(bridge_slave_0) entered blocking state [ 55.832266] bridge0: port 1(bridge_slave_0) entered forwarding state [ 55.862960] IPv6: ADDRCONF(NETDEV_UP): bond0: link is not ready [ 55.869043] 8021q: adding VLAN 0 to HW filter on device bond0 [ 55.877072] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 55.885722] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 55.905287] bridge0: port 1(bridge_slave_0) entered disabled state [ 55.912720] bridge0: port 2(bridge_slave_1) entered disabled state [ 55.919876] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 55.930474] IPv6: ADDRCONF(NETDEV_UP): team0: link is not ready [ 55.936809] 8021q: adding VLAN 0 to HW filter on device team0 [ 55.945086] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 55.952869] bridge0: port 1(bridge_slave_0) entered blocking state [ 55.959198] bridge0: port 1(bridge_slave_0) entered forwarding state [ 55.978703] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 55.989181] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 55.999777] IPv6: ADDRCONF(NETDEV_UP): hsr0: link is not ready [ 56.007066] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 56.015149] bridge0: port 2(bridge_slave_1) entered blocking state [ 56.021517] bridge0: port 2(bridge_slave_1) entered forwarding state [ 56.029299] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 56.039095] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 56.046756] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 56.054486] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 56.061952] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 56.068831] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 56.082994] IPv6: ADDRCONF(NETDEV_UP): vxcan1: link is not ready [ 56.092653] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 56.197689] kasan: CONFIG_KASAN_INLINE enabled [ 56.202491] kasan: GPF could be caused by NULL-ptr deref or user memory access [ 56.209864] general protection fault: 0000 [#1] PREEMPT SMP KASAN [ 56.216086] CPU: 1 PID: 7766 Comm: syz-executor0 Not tainted 4.20.0+ #8 [ 56.222824] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 56.232184] RIP: 0010:__smc_diag_dump.isra.0+0x32a/0x2ba0 [ 56.237711] 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 [ 56.256787] RSP: 0018:ffff888090fef120 EFLAGS: 00010203 [ 56.262149] RAX: dffffc0000000000 RBX: ffff88809339f340 RCX: 0000000000000000 [ 56.269406] RDX: 0000000000000001 RSI: ffffffff87b6b452 RDI: 000000000000000e [ 56.276666] RBP: ffff888090fef3e8 R08: ffff88809337a340 R09: ffff88808faa0fd8 [ 56.283923] R10: ffffed1011f541f0 R11: ffff88808faa0f87 R12: ffff8880869dd1a0 [ 56.291184] R13: ffff88808faa0f88 R14: ffff88809339f7a0 R15: 0000000000000000 [ 56.298445] FS: 00007f7a3b344700(0000) GS:ffff8880ae700000(0000) knlGS:0000000000000000 [ 56.306672] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 56.312540] CR2: 0000000000000000 CR3: 00000000a6211000 CR4: 00000000001406e0 [ 56.319795] Call Trace: [ 56.322374] ? __kmalloc_node_track_caller+0x4e/0x70 [ 56.327477] ? __alloc_skb+0x185/0x730 [ 56.331366] ? smc_diag_handler_dump+0x350/0x350 [ 56.336137] ? sock_sendmsg+0xdd/0x130 [ 56.340021] ? ___sys_sendmsg+0x7ec/0x910 [ 56.344169] ? __sys_sendmsg+0x112/0x270 [ 56.348218] ? __sys_sendmsg+0x230/0x270 [ 56.352277] ? do_syscall_64+0x1a3/0x800 [ 56.356333] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 56.361859] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 56.367387] ? check_preemption_disabled+0x48/0x290 [ 56.372400] ? __lock_is_held+0xb6/0x140 [ 56.376475] ? __kmalloc_node_track_caller+0x3d/0x70 [ 56.381567] ? lock_acquire+0x1db/0x570 [ 56.385533] ? smc_diag_dump_proto.isra.0+0xfb/0x3c0 [ 56.390622] ? lock_release+0xc40/0xc40 [ 56.394597] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 56.400125] ? kasan_check_write+0x14/0x20 [ 56.404352] smc_diag_dump_proto.isra.0+0x2e7/0x3c0 [ 56.409371] ? __smc_diag_dump.isra.0+0x2ba0/0x2ba0 [ 56.414387] ? find_held_lock+0x35/0x120 [ 56.418453] smc_diag_dump+0x27/0x80 [ 56.422171] netlink_dump+0x5f2/0x1070 [ 56.426053] ? netlink_broadcast+0x50/0x50 [ 56.430316] __netlink_dump_start+0x5b4/0x7e0 [ 56.434809] smc_diag_handler_dump+0x2a7/0x350 [ 56.439399] ? smc_gid_be16_convert+0x2c0/0x2c0 [ 56.444058] ? lock_downgrade+0x910/0x910 [ 56.448203] ? smc_diag_dump_proto.isra.0+0x3c0/0x3c0 [ 56.453387] ? rcu_read_unlock_special+0x380/0x380 [ 56.458330] sock_diag_rcv_msg+0x322/0x410 [ 56.462575] netlink_rcv_skb+0x17d/0x410 [ 56.466627] ? sock_diag_bind+0x80/0x80 [ 56.470589] ? netlink_ack+0xba0/0xba0 [ 56.474470] sock_diag_rcv+0x2b/0x40 [ 56.478186] netlink_unicast+0x574/0x770 [ 56.482242] ? netlink_attachskb+0x980/0x980 [ 56.486642] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 56.492169] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 56.497189] netlink_sendmsg+0xa05/0xf90 [ 56.501239] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 56.506783] ? netlink_unicast+0x770/0x770 [ 56.511035] ? aa_sock_msg_perm.isra.0+0xba/0x170 [ 56.515888] ? apparmor_socket_sendmsg+0x2a/0x30 [ 56.520634] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 56.526176] ? security_socket_sendmsg+0x93/0xc0 [ 56.530933] ? netlink_unicast+0x770/0x770 [ 56.535175] sock_sendmsg+0xdd/0x130 [ 56.538884] ___sys_sendmsg+0x7ec/0x910 [ 56.542891] ? copy_msghdr_from_user+0x570/0x570 [ 56.547640] ? iterate_fd+0x4b0/0x4b0 [ 56.551434] ? __might_fault+0x12b/0x1e0 [ 56.555486] ? find_held_lock+0x35/0x120 [ 56.559556] ? __might_fault+0x12b/0x1e0 [ 56.563614] ? __fget_light+0x2db/0x420 [ 56.567618] ? fget_raw+0x20/0x20 [ 56.571090] ? lock_release+0xc40/0xc40 [ 56.575067] ? trace_hardirqs_off_caller+0x300/0x300 [ 56.580186] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 56.585718] ? __fdget+0x1b/0x20 [ 56.589072] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 56.594606] ? sockfd_lookup_light+0xc2/0x160 [ 56.599092] __sys_sendmsg+0x112/0x270 [ 56.602985] ? __ia32_sys_shutdown+0x80/0x80 [ 56.607398] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 56.612754] ? trace_hardirqs_off_caller+0x300/0x300 [ 56.617859] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 56.622602] __x64_sys_sendmsg+0x78/0xb0 [ 56.626659] do_syscall_64+0x1a3/0x800 [ 56.630534] ? syscall_return_slowpath+0x5f0/0x5f0 [ 56.635451] ? prepare_exit_to_usermode+0x232/0x3b0 [ 56.640457] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 56.645325] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 56.650499] RIP: 0033:0x457ec9 [ 56.653683] 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 [ 56.672577] RSP: 002b:00007f7a3b343c78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 56.680306] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000457ec9 [ 56.687582] RDX: 0000000000000000 RSI: 0000000020000040 RDI: 0000000000000008 [ 56.694839] RBP: 000000000073bf00 R08: 0000000000000000 R09: 0000000000000000 [ 56.702118] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f7a3b3446d4 [ 56.709393] R13: 00000000004c5188 R14: 00000000004d8a10 R15: 00000000ffffffff [ 56.716683] Modules linked in: [ 56.720169] ---[ end trace dd0a2d63945ce0b6 ]--- [ 56.724971] RIP: 0010:__smc_diag_dump.isra.0+0x32a/0x2ba0 [ 56.730517] 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 [ 56.749427] RSP: 0018:ffff888090fef120 EFLAGS: 00010203 [ 56.754825] RAX: dffffc0000000000 RBX: ffff88809339f340 RCX: 0000000000000000 [ 56.762116] RDX: 0000000000000001 RSI: ffffffff87b6b452 RDI: 000000000000000e [ 56.769374] RBP: ffff888090fef3e8 R08: ffff88809337a340 R09: ffff88808faa0fd8 [ 56.776649] R10: ffffed1011f541f0 R11: ffff88808faa0f87 R12: ffff8880869dd1a0 [ 56.783940] R13: ffff88808faa0f88 R14: ffff88809339f7a0 R15: 0000000000000000 [ 56.791231] FS: 00007f7a3b344700(0000) GS:ffff8880ae700000(0000) knlGS:0000000000000000 [ 56.799457] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 56.805348] CR2: 0000000000000000 CR3: 00000000a6211000 CR4: 00000000001406e0 [ 56.812647] Kernel panic - not syncing: Fatal exception [ 56.818925] Kernel Offset: disabled [ 56.822621] Rebooting in 86400 seconds..