[ 69.331786][ T27] audit: type=1800 audit(1566282745.163:31): pid=10111 uid=0 auid=4294967295 ses=4294967295 subj=system_u:system_r:kernel_t:s0 op=collect_data cause=failed(directio) comm="startpar" name="restorecond" dev="sda1" ino=2436 res=0 [ 69.370240][ T27] audit: type=1800 audit(1566282745.163:32): pid=10111 uid=0 auid=4294967295 ses=4294967295 subj=system_u:system_r:kernel_t:s0 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 mcstransd: [....] Starting file context maintaining daemon: restorecond[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting OpenBSD Secure Shell server: sshd[?25l[?1c7[ ok 8[?25h[?0c. Debian GNU/Linux 7 syzkaller ttyS0 Warning: Permanently added '10.128.0.62' (ECDSA) to the list of known hosts. syzkaller login: [ 956.616713][ T27] kauditd_printk_skb: 3 callbacks suppressed [ 956.616727][ T27] audit: type=1400 audit(1566283632.503:36): avc: denied { map } for pid=10303 comm="syz-execprog" path="/root/syz-execprog" dev="sda1" ino=16481 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:object_r:user_home_t:s0 tclass=file permissive=1 2019/08/20 06:47:13 parsed 1 programs [ 957.611970][ T27] audit: type=1400 audit(1566283633.493:37): avc: denied { map } for pid=10303 comm="syz-execprog" path="/sys/kernel/debug/kcov" dev="debugfs" ino=3147 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=system_u:object_r:debugfs_t:s0 tclass=file permissive=1 2019/08/20 06:47:14 executed programs: 0 [ 958.895264][T10319] IPVS: ftp: loaded support on port[0] = 21 [ 958.942630][T10319] chnl_net:caif_netlink_parms(): no params data found [ 958.966834][T10319] bridge0: port 1(bridge_slave_0) entered blocking state [ 958.974121][T10319] bridge0: port 1(bridge_slave_0) entered disabled state [ 958.981598][T10319] device bridge_slave_0 entered promiscuous mode [ 958.988938][T10319] bridge0: port 2(bridge_slave_1) entered blocking state [ 958.996074][T10319] bridge0: port 2(bridge_slave_1) entered disabled state [ 959.003584][T10319] device bridge_slave_1 entered promiscuous mode [ 959.017514][T10319] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 959.027767][T10319] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 959.043386][T10319] team0: Port device team_slave_0 added [ 959.049901][T10319] team0: Port device team_slave_1 added [ 959.104522][T10319] device hsr_slave_0 entered promiscuous mode [ 959.163056][T10319] device hsr_slave_1 entered promiscuous mode [ 959.208279][T10319] bridge0: port 2(bridge_slave_1) entered blocking state [ 959.215370][T10319] bridge0: port 2(bridge_slave_1) entered forwarding state [ 959.222651][T10319] bridge0: port 1(bridge_slave_0) entered blocking state [ 959.229719][T10319] bridge0: port 1(bridge_slave_0) entered forwarding state [ 959.254193][T10319] 8021q: adding VLAN 0 to HW filter on device bond0 [ 959.266130][T10321] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 959.284287][T10321] bridge0: port 1(bridge_slave_0) entered disabled state [ 959.291848][T10321] bridge0: port 2(bridge_slave_1) entered disabled state [ 959.299652][T10321] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 959.310547][T10319] 8021q: adding VLAN 0 to HW filter on device team0 [ 959.319534][ T3014] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 959.327859][ T3014] bridge0: port 1(bridge_slave_0) entered blocking state [ 959.334902][ T3014] bridge0: port 1(bridge_slave_0) entered forwarding state [ 959.345042][T10323] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 959.353525][T10323] bridge0: port 2(bridge_slave_1) entered blocking state [ 959.360540][T10323] bridge0: port 2(bridge_slave_1) entered forwarding state [ 959.378071][T10319] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 959.388731][T10319] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 959.400739][ T3014] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 959.409554][ T3014] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 959.417922][ T3014] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 959.426385][ T3014] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 959.434570][ T3014] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 959.442010][ T3014] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 959.456263][T10319] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 959.486905][ T27] audit: type=1400 audit(1566283635.373:38): avc: denied { associate } for pid=10319 comm="syz-executor.0" name="syz0" scontext=unconfined_u:object_r:unlabeled_t:s0 tcontext=system_u:object_r:unlabeled_t:s0 tclass=filesystem permissive=1 [ 959.635102][T10354] ------------[ cut here ]------------ [ 959.641184][T10354] WARNING: CPU: 1 PID: 10354 at include/net/sock.h:666 smc_unhash_sk.cold+0x11/0x18 [ 959.650538][T10354] Kernel panic - not syncing: panic_on_warn set ... [ 959.657122][T10354] CPU: 1 PID: 10354 Comm: syz-executor.0 Not tainted 5.3.0-rc5+ #110 [ 959.665161][T10354] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 959.675196][T10354] Call Trace: [ 959.678556][T10354] dump_stack+0x172/0x1f0 [ 959.682887][T10354] ? smc_listen_work+0x1580/0x15a3 [ 959.687982][T10354] panic+0x2dc/0x755 [ 959.691853][T10354] ? add_taint.cold+0x16/0x16 [ 959.696512][T10354] ? __kasan_check_write+0x14/0x20 [ 959.701598][T10354] ? __warn.cold+0x5/0x4c [ 959.705903][T10354] ? __warn+0xe7/0x1e0 [ 959.709950][T10354] ? smc_unhash_sk.cold+0x11/0x18 [ 959.714946][T10354] __warn.cold+0x20/0x4c [ 959.719162][T10354] ? wake_up_klogd+0x99/0xd0 [ 959.723731][T10354] ? smc_unhash_sk.cold+0x11/0x18 [ 959.728734][T10354] report_bug+0x263/0x2b0 [ 959.733039][T10354] do_error_trap+0x11b/0x200 [ 959.737614][T10354] do_invalid_op+0x37/0x50 [ 959.742004][T10354] ? smc_unhash_sk.cold+0x11/0x18 [ 959.747064][T10354] invalid_op+0x23/0x30 [ 959.751195][T10354] RIP: 0010:smc_unhash_sk.cold+0x11/0x18 [ 959.756806][T10354] Code: 89 ff e8 ef 6b a6 fa e9 d7 f8 ff ff 4c 89 ff e8 e2 6b a6 fa e9 57 fa ff ff e8 08 59 6c fa 48 c7 c7 20 38 42 88 e8 d0 f9 55 fa <0f> 0b e9 ad 43 ff ff e8 f0 58 6c fa 48 c7 c7 20 38 42 88 e8 b8 f9 [ 959.776403][T10354] RSP: 0018:ffff888095397ad0 EFLAGS: 00010282 [ 959.782442][T10354] RAX: 0000000000000024 RBX: ffff8880a19f9280 RCX: 0000000000000000 [ 959.790387][T10354] RDX: 0000000000000000 RSI: ffffffff815c2456 RDI: ffffed1012a72f4c [ 959.798341][T10354] RBP: ffff888095397b00 R08: 0000000000000024 R09: ffffed1015d260d1 [ 959.806286][T10354] R10: ffffed1015d260d0 R11: ffff8880ae930687 R12: ffff8880a19f9300 [ 959.814234][T10354] R13: ffffffff8999dec0 R14: ffff8880a19f92a8 R15: 0000000000000001 [ 959.822196][T10354] ? vprintk_func+0x86/0x189 [ 959.826880][T10354] __smc_release+0x202/0x450 [ 959.831448][T10354] smc_release+0x10c/0x380 [ 959.835919][T10354] __sock_release+0xce/0x280 [ 959.840499][T10354] sock_close+0x1e/0x30 [ 959.844640][T10354] __fput+0x2ff/0x890 [ 959.848600][T10354] ? __sock_release+0x280/0x280 [ 959.853425][T10354] ____fput+0x16/0x20 [ 959.857388][T10354] task_work_run+0x145/0x1c0 [ 959.861964][T10354] get_signal+0x2078/0x2500 [ 959.866451][T10354] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 959.872673][T10354] ? debug_smp_processor_id+0x3c/0x214 [ 959.878115][T10354] ? kick_process+0xef/0x180 [ 959.882693][T10354] do_signal+0x87/0x1700 [ 959.886919][T10354] ? fput+0x1b/0x20 [ 959.890713][T10354] ? __sys_connect+0x12d/0x330 [ 959.895456][T10354] ? setup_sigcontext+0x7d0/0x7d0 [ 959.900454][T10354] ? put_timespec64+0xda/0x140 [ 959.905199][T10354] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 959.911431][T10354] ? trace_hardirqs_on+0x67/0x240 [ 959.916430][T10354] exit_to_usermode_loop+0x286/0x380 [ 959.921689][T10354] do_syscall_64+0x5a9/0x6a0 [ 959.926261][T10354] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 959.932134][T10354] RIP: 0033:0x459829 [ 959.936004][T10354] Code: fd 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 cb b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 959.955600][T10354] RSP: 002b:00007fceb689bc78 EFLAGS: 00000246 ORIG_RAX: 000000000000002a [ 959.963996][T10354] RAX: ffffffffffffff8d RBX: 0000000000000003 RCX: 0000000000459829 [ 959.971950][T10354] RDX: 0000000000000010 RSI: 0000000020000080 RDI: 0000000000000003 [ 959.979895][T10354] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 959.987844][T10354] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fceb689c6d4 [ 959.995788][T10354] R13: 00000000004bfd64 R14: 00000000004d1b60 R15: 00000000ffffffff [ 960.005142][T10354] Kernel Offset: disabled [ 960.009467][T10354] Rebooting in 86400 seconds..