[ 64.452372][ T26] audit: type=1804 audit(1569080559.152:43): pid=8988 uid=0 auid=4294967295 ses=4294967295 subj=system_u:system_r:kernel_t:s0 op=invalid_pcr cause=ToMToU comm="init" name="/run/utmp" dev="sda1" ino=1421 res=1 [ 64.521604][ T26] audit: type=1804 audit(1569080559.172:44): pid=8993 uid=0 auid=4294967295 ses=4294967295 subj=system_u:system_r:kernel_t:s0 op=invalid_pcr cause=ToMToU comm="init" name="/run/utmp" dev="sda1" ino=1421 res=1 [ 64.521631][ T26] audit: type=1804 audit(1569080559.192:45): pid=8991 uid=0 auid=4294967295 ses=4294967295 subj=system_u:system_r:kernel_t:s0 op=invalid_pcr cause=ToMToU comm="init" name="/run/utmp" dev="sda1" ino=1421 res=1 [ 64.521656][ T26] audit: type=1804 audit(1569080559.212:46): pid=8989 uid=0 auid=4294967295 ses=4294967295 subj=system_u:system_r:kernel_t:s0 op=invalid_pcr cause=ToMToU comm="init" name="/run/utmp" dev="sda1" ino=1421 res=1 [ 64.521679][ T26] audit: type=1804 audit(1569080559.222:47): pid=8992 uid=0 auid=4294967295 ses=4294967295 subj=system_u:system_r:kernel_t:s0 op=invalid_pcr cause=ToMToU comm="getty" name="/run/utmp" dev="sda1" ino=1421 res=1 [ 64.521703][ T26] audit: type=1804 audit(1569080559.222:48): pid=8991 uid=0 auid=4294967295 ses=4294967295 subj=system_u:system_r:kernel_t:s0 op=invalid_pcr cause=ToMToU comm="getty" name="/run/utmp" dev="sda1" ino=1421 res=1 Debian GNU/Linux 7 syzkaller ttyS0 Warning: Permanently added '10.128.0.131' (ECDSA) to the list of known hosts. 2019/09/21 15:42:46 parsed 1 programs syzkaller login: [ 71.201423][ T26] kauditd_printk_skb: 8 callbacks suppressed [ 71.201437][ T26] audit: type=1400 audit(1569080565.942:57): avc: denied { map } for pid=9012 comm="syz-execprog" path="/root/syz-execprog" dev="sda1" ino=16502 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:object_r:user_home_t:s0 tclass=file permissive=1 [ 71.279037][ T26] audit: type=1400 audit(1569080566.012:58): avc: denied { map } for pid=9012 comm="syz-execprog" path="/sys/kernel/debug/kcov" dev="debugfs" ino=16489 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=system_u:object_r:debugfs_t:s0 tclass=file permissive=1 2019/09/21 15:42:47 executed programs: 0 [ 73.213090][ T9027] IPVS: ftp: loaded support on port[0] = 21 [ 73.276142][ T9027] chnl_net:caif_netlink_parms(): no params data found [ 73.304595][ T9027] bridge0: port 1(bridge_slave_0) entered blocking state [ 73.312369][ T9027] bridge0: port 1(bridge_slave_0) entered disabled state [ 73.320026][ T9027] device bridge_slave_0 entered promiscuous mode [ 73.327701][ T9027] bridge0: port 2(bridge_slave_1) entered blocking state [ 73.334865][ T9027] bridge0: port 2(bridge_slave_1) entered disabled state [ 73.342457][ T9027] device bridge_slave_1 entered promiscuous mode [ 73.360084][ T9027] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 73.370795][ T9027] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 73.388640][ T9027] team0: Port device team_slave_0 added [ 73.396093][ T9027] team0: Port device team_slave_1 added [ 73.451219][ T9027] device hsr_slave_0 entered promiscuous mode [ 73.499897][ T9027] device hsr_slave_1 entered promiscuous mode [ 73.547879][ T9027] bridge0: port 2(bridge_slave_1) entered blocking state [ 73.555076][ T9027] bridge0: port 2(bridge_slave_1) entered forwarding state [ 73.562809][ T9027] bridge0: port 1(bridge_slave_0) entered blocking state [ 73.569895][ T9027] bridge0: port 1(bridge_slave_0) entered forwarding state [ 73.604764][ T9027] 8021q: adding VLAN 0 to HW filter on device bond0 [ 73.615723][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 73.635641][ T17] bridge0: port 1(bridge_slave_0) entered disabled state [ 73.643584][ T17] bridge0: port 2(bridge_slave_1) entered disabled state [ 73.652440][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 73.664158][ T9027] 8021q: adding VLAN 0 to HW filter on device team0 [ 73.674151][ T2647] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 73.683183][ T2647] bridge0: port 1(bridge_slave_0) entered blocking state [ 73.690308][ T2647] bridge0: port 1(bridge_slave_0) entered forwarding state [ 73.713411][ T9029] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 73.722061][ T9029] bridge0: port 2(bridge_slave_1) entered blocking state [ 73.729093][ T9029] bridge0: port 2(bridge_slave_1) entered forwarding state [ 73.737157][ T9029] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 73.746961][ T9029] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 73.755948][ T9029] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 73.764819][ T9029] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 73.775369][ T9027] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 73.787570][ T9027] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 73.796202][ T2647] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 73.813735][ T9027] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 73.849068][ T26] audit: type=1400 audit(1569080568.582:59): avc: denied { associate } for pid=9027 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 [ 73.973839][ C0] hrtimer: interrupt took 25782 ns 2019/09/21 15:42:52 executed programs: 60 2019/09/21 15:42:57 executed programs: 139 2019/09/21 15:43:02 executed programs: 206 2019/09/21 15:43:08 executed programs: 276 [ 94.455062][T10315] WARNING: CPU: 0 PID: 10315 at kernel/locking/lockdep.c:840 register_lock_class+0x206/0x1850 [ 94.465373][T10315] Kernel panic - not syncing: panic_on_warn set ... [ 94.471945][T10315] CPU: 0 PID: 10315 Comm: syz-executor.0 Not tainted 5.3.0+ #0 [ 94.479463][T10315] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 94.489495][T10315] Call Trace: [ 94.492783][T10315] dump_stack+0x172/0x1f0 [ 94.497094][T10315] ? register_lock_class+0x1f0/0x1850 [ 94.502443][T10315] panic+0x2dc/0x755 [ 94.506334][T10315] ? add_taint.cold+0x16/0x16 [ 94.510993][T10315] ? __kasan_check_write+0x14/0x20 [ 94.516081][T10315] ? __warn.cold+0x5/0x4c [ 94.520387][T10315] ? __warn+0xe7/0x1e0 [ 94.524437][T10315] ? register_lock_class+0x206/0x1850 [ 94.529782][T10315] __warn.cold+0x20/0x4c [ 94.534005][T10315] ? register_lock_class+0x206/0x1850 [ 94.539353][T10315] report_bug+0x263/0x2b0 [ 94.543663][T10315] do_error_trap+0x11b/0x200 [ 94.548229][T10315] do_invalid_op+0x37/0x50 [ 94.552621][T10315] ? register_lock_class+0x206/0x1850 [ 94.557971][T10315] invalid_op+0x23/0x30 [ 94.562103][T10315] RIP: 0010:register_lock_class+0x206/0x1850 [ 94.568090][T10315] Code: fc ff df 48 89 fa 48 c1 ea 03 80 3c 02 00 0f 85 aa 10 00 00 4c 3b 7b 18 44 8b 35 d5 de 55 09 74 0b 48 81 3b a0 65 06 8a 74 02 <0f> 0b 45 85 ed 0f 84 71 03 00 00 f6 85 70 ff ff ff 01 0f 85 64 03 [ 94.587673][T10315] RSP: 0018:ffff888096777a48 EFLAGS: 00010002 [ 94.593718][T10315] RAX: dffffc0000000000 RBX: ffff888093ff78e0 RCX: 0000000000000000 [ 94.601679][T10315] RDX: 1ffff110127fef1f RSI: 0000000000000000 RDI: ffff888093ff78f8 [ 94.609636][T10315] RBP: ffff888096777b10 R08: 1ffff11012ceef51 R09: ffffffff8aaea0e0 [ 94.617597][T10315] R10: ffffffff8a7753c8 R11: 0000000000000000 R12: ffffffff8a7b5d20 [ 94.625559][T10315] R13: 0000000000000000 R14: 0000000000000000 R15: ffffffff884766e0 [ 94.633530][T10315] ? mark_lock+0xc2/0x1220 [ 94.637925][T10315] ? is_dynamic_key+0x1c0/0x1c0 [ 94.642772][T10315] ? sock_has_perm+0x209/0x2a0 [ 94.647517][T10315] ? selinux_secmark_relabel_packet+0xe0/0xe0 [ 94.653559][T10315] __lock_acquire+0xf4/0x4e70 [ 94.658220][T10315] ? __lock_acquire+0x1703/0x4e70 [ 94.663323][T10315] ? mark_held_locks+0xf0/0xf0 [ 94.668073][T10315] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 94.674300][T10315] ? selinux_socket_connect_helper.isra.0+0x1c1/0x580 [ 94.681047][T10315] lock_acquire+0x190/0x410 [ 94.685536][T10315] ? lock_sock_nested+0x41/0x120 [ 94.690474][T10315] _raw_spin_lock_bh+0x33/0x50 [ 94.695218][T10315] ? lock_sock_nested+0x41/0x120 [ 94.700138][T10315] lock_sock_nested+0x41/0x120 [ 94.704885][T10315] selinux_netlbl_socket_connect+0x20/0xc0 [ 94.710672][T10315] selinux_socket_connect+0x6a/0x90 [ 94.715866][T10315] security_socket_connect+0x77/0xc0 [ 94.721129][T10315] __sys_connect+0x19d/0x330 [ 94.725696][T10315] ? __ia32_sys_accept+0xb0/0xb0 [ 94.730613][T10315] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 94.736830][T10315] ? put_timespec64+0xda/0x140 [ 94.741580][T10315] ? trace_hardirqs_on_thunk+0x1a/0x20 [ 94.747016][T10315] ? trace_hardirqs_on_thunk+0x1a/0x20 [ 94.752457][T10315] ? do_syscall_64+0x26/0x760 [ 94.757113][T10315] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 94.763158][T10315] ? do_syscall_64+0x26/0x760 [ 94.767812][T10315] __x64_sys_connect+0x73/0xb0 [ 94.772554][T10315] do_syscall_64+0xfa/0x760 [ 94.777051][T10315] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 94.782920][T10315] RIP: 0033:0x459a09 [ 94.786794][T10315] 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 [ 94.806372][T10315] RSP: 002b:00007fc302ec5c78 EFLAGS: 00000246 ORIG_RAX: 000000000000002a [ 94.814760][T10315] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000459a09 [ 94.822710][T10315] RDX: 000000000000001c RSI: 0000000020000080 RDI: 0000000000000005 [ 94.830673][T10315] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 94.838624][T10315] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fc302ec66d4 [ 94.846575][T10315] R13: 00000000004bff42 R14: 00000000004d1eb0 R15: 00000000ffffffff [ 94.855906][T10315] Kernel Offset: disabled [ 94.860272][T10315] Rebooting in 86400 seconds..