[ 39.957980][ T26] audit: type=1800 audit(1546827433.988:25): pid=7836 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="cron" dev="sda1" ino=2414 res=0 [ 39.986525][ T26] audit: type=1800 audit(1546827433.988:26): pid=7836 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="mcstrans" dev="sda1" ino=2457 res=0 [ 40.020715][ T26] audit: type=1800 audit(1546827433.988:27): pid=7836 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. [....] startpar: service(s) returned failure: rsyslog ...[?25l[?1c7[FAIL8[?25h[?0c failed! Debian GNU/Linux 7 syzkaller ttyS0 Warning: Permanently added '10.128.10.29' (ECDSA) to the list of known hosts. 2019/01/07 02:17:27 parsed 1 programs 2019/01/07 02:17:29 executed programs: 0 syzkaller login: [ 55.079634][ T8022] IPVS: ftp: loaded support on port[0] = 21 [ 55.145222][ T8022] chnl_net:caif_netlink_parms(): no params data found [ 55.180342][ T8022] bridge0: port 1(bridge_slave_0) entered blocking state [ 55.187885][ T8022] bridge0: port 1(bridge_slave_0) entered disabled state [ 55.195573][ T8022] device bridge_slave_0 entered promiscuous mode [ 55.203624][ T8022] bridge0: port 2(bridge_slave_1) entered blocking state [ 55.210796][ T8022] bridge0: port 2(bridge_slave_1) entered disabled state [ 55.218470][ T8022] device bridge_slave_1 entered promiscuous mode [ 55.235412][ T8022] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 55.245496][ T8022] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 55.263947][ T8022] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 55.272382][ T8022] team0: Port device team_slave_0 added [ 55.278423][ T8022] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 55.286207][ T8022] team0: Port device team_slave_1 added [ 55.292292][ T8022] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 55.300245][ T8022] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 55.368591][ T8022] device hsr_slave_0 entered promiscuous mode [ 55.437127][ T8022] device hsr_slave_1 entered promiscuous mode [ 55.497573][ T8022] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_0: link is not ready [ 55.505133][ T8022] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_1: link is not ready [ 55.520599][ T8022] bridge0: port 2(bridge_slave_1) entered blocking state [ 55.527777][ T8022] bridge0: port 2(bridge_slave_1) entered forwarding state [ 55.535220][ T8022] bridge0: port 1(bridge_slave_0) entered blocking state [ 55.542313][ T8022] bridge0: port 1(bridge_slave_0) entered forwarding state [ 55.574588][ T8022] IPv6: ADDRCONF(NETDEV_UP): bond0: link is not ready [ 55.582654][ T8022] 8021q: adding VLAN 0 to HW filter on device bond0 [ 55.591479][ T8022] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 55.600819][ T2979] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 55.620884][ T2979] bridge0: port 1(bridge_slave_0) entered disabled state [ 55.629318][ T2979] bridge0: port 2(bridge_slave_1) entered disabled state [ 55.638578][ T2979] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 55.649959][ T8022] IPv6: ADDRCONF(NETDEV_UP): team0: link is not ready [ 55.657285][ T8022] 8021q: adding VLAN 0 to HW filter on device team0 [ 55.666176][ T2863] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 55.675080][ T2863] bridge0: port 1(bridge_slave_0) entered blocking state [ 55.682170][ T2863] bridge0: port 1(bridge_slave_0) entered forwarding state [ 55.704974][ T8022] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 55.715778][ T8022] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 55.727914][ T8022] IPv6: ADDRCONF(NETDEV_UP): hsr0: link is not ready [ 55.735555][ T2863] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 55.744291][ T2863] bridge0: port 2(bridge_slave_1) entered blocking state [ 55.751385][ T2863] bridge0: port 2(bridge_slave_1) entered forwarding state [ 55.759510][ T2863] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 55.767978][ T2863] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 55.776158][ T2863] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 55.784721][ T2863] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 55.793182][ T2863] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 55.800875][ T2863] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 55.814692][ T8022] IPv6: ADDRCONF(NETDEV_UP): vxcan1: link is not ready [ 55.825181][ T8022] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 56.848873][ T8253] kasan: CONFIG_KASAN_INLINE enabled [ 56.854357][ T8253] kasan: GPF could be caused by NULL-ptr deref or user memory access [ 56.862704][ T8253] general protection fault: 0000 [#1] PREEMPT SMP KASAN [ 56.869668][ T8253] CPU: 1 PID: 8253 Comm: syz-executor0 Not tainted 4.20.0-next-20190103 #5 [ 56.878234][ T8253] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 56.888293][ T8253] RIP: 0010:__smc_diag_dump.isra.0+0x32a/0x2ba0 [ 56.894522][ T8253] 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 [ 56.914120][ T8253] RSP: 0018:ffff888090ecf120 EFLAGS: 00010203 [ 56.920174][ T8253] RAX: dffffc0000000000 RBX: ffff8880a8edf380 RCX: 0000000000000000 [ 56.928152][ T8253] RDX: 0000000000000001 RSI: ffffffff87b7ae82 RDI: 000000000000000e [ 56.936112][ T8253] RBP: ffff888090ecf3e8 R08: ffff8880a8aae280 R09: ffff8880951023f4 [ 56.944075][ T8253] R10: ffffed1012a20474 R11: ffff8880951023a3 R12: ffff8880a8add2e0 [ 56.952035][ T8253] R13: ffff8880951023a4 R14: ffff8880a8edf7e0 R15: 0000000000000000 [ 56.959999][ T8253] FS: 00007f6751725700(0000) GS:ffff8880ae700000(0000) knlGS:0000000000000000 [ 56.969004][ T8253] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 56.975577][ T8253] CR2: 0000000000000000 CR3: 0000000091718000 CR4: 00000000001406e0 [ 56.983542][ T8253] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 56.991535][ T8253] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 56.999533][ T8253] Call Trace: [ 57.002842][ T8253] ? __kmalloc_node_track_caller+0x4e/0x70 [ 57.008655][ T8253] ? __alloc_skb+0x185/0x730 [ 57.013246][ T8253] ? smc_diag_handler_dump+0x350/0x350 [ 57.018694][ T8253] ? sock_sendmsg+0xdd/0x130 [ 57.023281][ T8253] ? ___sys_sendmsg+0x7ec/0x910 [ 57.028119][ T8253] ? __sys_sendmsg+0x112/0x270 [ 57.032869][ T8253] ? __sys_sendmsg+0x230/0x270 [ 57.037620][ T8253] ? do_syscall_64+0x1a3/0x800 [ 57.042373][ T8253] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 57.048599][ T8253] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 57.054843][ T8253] ? check_preemption_disabled+0x48/0x290 [ 57.060561][ T8253] ? __lock_is_held+0xb6/0x140 [ 57.065317][ T8253] ? __kmalloc_node_track_caller+0x3d/0x70 [ 57.071143][ T8253] ? lock_acquire+0x1db/0x570 [ 57.075811][ T8253] ? smc_diag_dump_proto.isra.0+0xfb/0x3c0 [ 57.081608][ T8253] ? lock_release+0xc40/0xc40 [ 57.086279][ T8253] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 57.092538][ T8253] ? kasan_check_write+0x14/0x20 [ 57.097467][ T8253] smc_diag_dump_proto.isra.0+0x2e7/0x3c0 [ 57.103179][ T8253] ? __smc_diag_dump.isra.0+0x2ba0/0x2ba0 [ 57.108886][ T8253] ? find_held_lock+0x35/0x120 [ 57.113641][ T8253] smc_diag_dump+0x27/0x80 [ 57.118049][ T8253] netlink_dump+0x5f2/0x1070 [ 57.122628][ T8253] ? netlink_broadcast+0x50/0x50 [ 57.127577][ T8253] __netlink_dump_start+0x5b4/0x7e0 [ 57.132787][ T8253] smc_diag_handler_dump+0x2a7/0x350 [ 57.138067][ T8253] ? smc_gid_be16_convert+0x2c0/0x2c0 [ 57.143625][ T8253] ? lock_downgrade+0x910/0x910 [ 57.148485][ T8253] ? smc_diag_dump_proto.isra.0+0x3c0/0x3c0 [ 57.154368][ T8253] ? rcu_read_unlock_special+0x380/0x380 [ 57.159996][ T8253] sock_diag_rcv_msg+0x322/0x410 [ 57.164923][ T8253] netlink_rcv_skb+0x17d/0x410 [ 57.169705][ T8253] ? sock_diag_bind+0x80/0x80 [ 57.174395][ T8253] ? netlink_ack+0xba0/0xba0 [ 57.178991][ T8253] sock_diag_rcv+0x2b/0x40 [ 57.183403][ T8253] netlink_unicast+0x574/0x770 [ 57.188159][ T8253] ? netlink_attachskb+0x980/0x980 [ 57.193264][ T8253] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 57.199519][ T8253] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 57.205229][ T8253] netlink_sendmsg+0xa05/0xf90 [ 57.209986][ T8253] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 57.216216][ T8253] ? netlink_unicast+0x770/0x770 [ 57.221144][ T8253] ? aa_sock_msg_perm.isra.0+0xba/0x170 [ 57.226693][ T8253] ? apparmor_socket_sendmsg+0x2a/0x30 [ 57.232148][ T8253] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 57.238394][ T8253] ? security_socket_sendmsg+0x93/0xc0 [ 57.243840][ T8253] ? netlink_unicast+0x770/0x770 [ 57.248776][ T8253] sock_sendmsg+0xdd/0x130 [ 57.253198][ T8253] ___sys_sendmsg+0x7ec/0x910 [ 57.257900][ T8253] ? copy_msghdr_from_user+0x570/0x570 [ 57.263346][ T8253] ? ksys_dup3+0x660/0x660 [ 57.267764][ T8253] ? __might_fault+0x12b/0x1e0 [ 57.273037][ T8253] ? find_held_lock+0x35/0x120 [ 57.277792][ T8253] ? __might_fault+0x12b/0x1e0 [ 57.282562][ T8253] ? __fget_light+0x2db/0x420 [ 57.287271][ T8253] ? fget_raw+0x20/0x20 [ 57.291414][ T8253] ? lock_release+0xc40/0xc40 [ 57.296080][ T8253] ? trace_hardirqs_off_caller+0x300/0x300 [ 57.301874][ T8253] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 57.308105][ T8253] ? __fdget+0x1b/0x20 [ 57.312167][ T8253] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 57.318408][ T8253] ? sockfd_lookup_light+0xc2/0x160 [ 57.323595][ T8253] __sys_sendmsg+0x112/0x270 [ 57.328173][ T8253] ? __ia32_sys_shutdown+0x80/0x80 [ 57.333281][ T8253] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 57.339334][ T8253] ? trace_hardirqs_off_caller+0x300/0x300 [ 57.345141][ T8253] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 57.350588][ T8253] __x64_sys_sendmsg+0x78/0xb0 [ 57.355342][ T8253] do_syscall_64+0x1a3/0x800 [ 57.359924][ T8253] ? syscall_return_slowpath+0x5f0/0x5f0 [ 57.365549][ T8253] ? prepare_exit_to_usermode+0x232/0x3b0 [ 57.371276][ T8253] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 57.376816][ T8253] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 57.382692][ T8253] RIP: 0033:0x457ec9 [ 57.386578][ T8253] 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 [ 57.406165][ T8253] RSP: 002b:00007f6751724c78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 57.414562][ T8253] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000457ec9 [ 57.422517][ T8253] RDX: 0000000000000000 RSI: 0000000020000040 RDI: 0000000000000006 [ 57.430477][ T8253] RBP: 000000000073bf00 R08: 0000000000000000 R09: 0000000000000000 [ 57.438438][ T8253] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f67517256d4 [ 57.446394][ T8253] R13: 00000000004c52f9 R14: 00000000004d8d58 R15: 00000000ffffffff [ 57.454354][ T8253] Modules linked in: [ 57.458307][ T8253] ---[ end trace 3cb39382e07a4350 ]--- [ 57.463772][ T8253] RIP: 0010:__smc_diag_dump.isra.0+0x32a/0x2ba0 [ 57.470025][ T8253] 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 [ 57.489635][ T8253] RSP: 0018:ffff888090ecf120 EFLAGS: 00010203 [ 57.495687][ T8253] RAX: dffffc0000000000 RBX: ffff8880a8edf380 RCX: 0000000000000000 [ 57.503666][ T8253] RDX: 0000000000000001 RSI: ffffffff87b7ae82 RDI: 000000000000000e [ 57.511645][ T8253] RBP: ffff888090ecf3e8 R08: ffff8880a8aae280 R09: ffff8880951023f4 [ 57.519623][ T8253] R10: ffffed1012a20474 R11: ffff8880951023a3 R12: ffff8880a8add2e0 [ 57.527602][ T8253] R13: ffff8880951023a4 R14: ffff8880a8edf7e0 R15: 0000000000000000 [ 57.535568][ T8253] FS: 00007f6751725700(0000) GS:ffff8880ae700000(0000) knlGS:0000000000000000 [ 57.544498][ T8253] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 57.551088][ T8253] CR2: 0000000000000000 CR3: 0000000091718000 CR4: 00000000001406e0 [ 57.559087][ T8253] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 57.567080][ T8253] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 57.575053][ T8253] Kernel panic - not syncing: Fatal exception [ 57.582084][ T8253] Kernel Offset: disabled [ 57.586405][ T8253] Rebooting in 86400 seconds..