[ 46.279986][ T26] audit: type=1800 audit(1556715785.343:30): pid=8106 uid=0 auid=4294967295 ses=4294967295 subj=system_u:system_r:kernel_t:s0 op=collect_data cause=failed(directio) comm="startpar" name="mcstrans" dev="sda1" ino=2457 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 syzkaller login: [ 51.127423][ T26] kauditd_printk_skb: 4 callbacks suppressed [ 51.127440][ T26] audit: type=1400 audit(1556715790.213:35): avc: denied { map } for pid=8284 comm="bash" path="/bin/bash" dev="sda1" ino=1457 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=system_u:object_r:file_t:s0 tclass=file permissive=1 Warning: Permanently added '10.128.1.0' (ECDSA) to the list of known hosts. [ 390.376633][ T26] audit: type=1400 audit(1556716129.463:36): avc: denied { map } for pid=8296 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 2019/05/01 13:08:50 parsed 1 programs [ 391.336155][ T26] audit: type=1400 audit(1556716130.423:37): avc: denied { map } for pid=8296 comm="syz-execprog" path="/sys/kernel/debug/kcov" dev="debugfs" ino=72 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=system_u:object_r:debugfs_t:s0 tclass=file permissive=1 2019/05/01 13:08:52 executed programs: 0 [ 393.421931][ T8310] IPVS: ftp: loaded support on port[0] = 21 [ 393.483043][ T8310] chnl_net:caif_netlink_parms(): no params data found [ 393.515472][ T8310] bridge0: port 1(bridge_slave_0) entered blocking state [ 393.523530][ T8310] bridge0: port 1(bridge_slave_0) entered disabled state [ 393.531963][ T8310] device bridge_slave_0 entered promiscuous mode [ 393.541215][ T8310] bridge0: port 2(bridge_slave_1) entered blocking state [ 393.548296][ T8310] bridge0: port 2(bridge_slave_1) entered disabled state [ 393.556332][ T8310] device bridge_slave_1 entered promiscuous mode [ 393.573349][ T8310] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 393.583323][ T8310] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 393.601310][ T8310] team0: Port device team_slave_0 added [ 393.608293][ T8310] team0: Port device team_slave_1 added [ 393.691903][ T8310] device hsr_slave_0 entered promiscuous mode [ 393.740762][ T8310] device hsr_slave_1 entered promiscuous mode [ 393.817871][ T8310] bridge0: port 2(bridge_slave_1) entered blocking state [ 393.825220][ T8310] bridge0: port 2(bridge_slave_1) entered forwarding state [ 393.833204][ T8310] bridge0: port 1(bridge_slave_0) entered blocking state [ 393.844344][ T8310] bridge0: port 1(bridge_slave_0) entered forwarding state [ 393.882925][ T8310] 8021q: adding VLAN 0 to HW filter on device bond0 [ 393.894514][ T8312] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 393.916847][ T8312] bridge0: port 1(bridge_slave_0) entered disabled state [ 393.926296][ T8312] bridge0: port 2(bridge_slave_1) entered disabled state [ 393.949192][ T8312] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 393.961715][ T8310] 8021q: adding VLAN 0 to HW filter on device team0 [ 393.972887][ T22] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 393.981574][ T22] bridge0: port 1(bridge_slave_0) entered blocking state [ 393.988664][ T22] bridge0: port 1(bridge_slave_0) entered forwarding state [ 394.002111][ T8312] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 394.011180][ T8312] bridge0: port 2(bridge_slave_1) entered blocking state [ 394.018323][ T8312] bridge0: port 2(bridge_slave_1) entered forwarding state [ 394.041135][ T22] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 394.049871][ T22] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 394.059235][ T22] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 394.067829][ T22] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 394.076698][ T22] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 394.086143][ T8310] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 394.105574][ T8310] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 394.116789][ T26] audit: type=1400 audit(1556716133.203:38): avc: denied { associate } for pid=8310 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 2019/05/01 13:08:57 executed programs: 40 2019/05/01 13:09:02 executed programs: 86 2019/05/01 13:09:07 executed programs: 132 2019/05/01 13:09:12 executed programs: 178 2019/05/01 13:09:17 executed programs: 225 2019/05/01 13:09:22 executed programs: 272 2019/05/01 13:09:27 executed programs: 319 2019/05/01 13:09:33 executed programs: 366 [ 438.180104][ C0] protocol 88fb is buggy, dev hsr_slave_0 [ 438.186213][ C0] protocol 88fb is buggy, dev hsr_slave_1 2019/05/01 13:09:38 executed programs: 412 2019/05/01 13:09:43 executed programs: 456 2019/05/01 13:09:48 executed programs: 502 2019/05/01 13:09:53 executed programs: 548 2019/05/01 13:09:58 executed programs: 593 2019/05/01 13:10:03 executed programs: 640 2019/05/01 13:10:08 executed programs: 686 2019/05/01 13:10:13 executed programs: 735 2019/05/01 13:10:18 executed programs: 785 2019/05/01 13:10:23 executed programs: 832 2019/05/01 13:10:28 executed programs: 879 2019/05/01 13:10:33 executed programs: 926 2019/05/01 13:10:38 executed programs: 972 2019/05/01 13:10:43 executed programs: 1021 2019/05/01 13:10:48 executed programs: 1067 2019/05/01 13:10:53 executed programs: 1113 2019/05/01 13:10:58 executed programs: 1158 2019/05/01 13:11:04 executed programs: 1203 2019/05/01 13:11:09 executed programs: 1248 2019/05/01 13:11:14 executed programs: 1293 2019/05/01 13:11:19 executed programs: 1342 2019/05/01 13:11:24 executed programs: 1388 2019/05/01 13:11:29 executed programs: 1435 2019/05/01 13:11:34 executed programs: 1482 2019/05/01 13:11:39 executed programs: 1529 2019/05/01 13:11:44 executed programs: 1575 2019/05/01 13:11:49 executed programs: 1620 2019/05/01 13:11:54 executed programs: 1667 2019/05/01 13:11:59 executed programs: 1714 2019/05/01 13:12:04 executed programs: 1760 2019/05/01 13:12:09 executed programs: 1807 2019/05/01 13:12:14 executed programs: 1853 2019/05/01 13:12:19 executed programs: 1901 2019/05/01 13:12:24 executed programs: 1947 2019/05/01 13:12:29 executed programs: 1995 2019/05/01 13:12:34 executed programs: 2043 2019/05/01 13:12:39 executed programs: 2090 2019/05/01 13:12:45 executed programs: 2138 2019/05/01 13:12:50 executed programs: 2183 [ 635.779874][ C0] protocol 88fb is buggy, dev hsr_slave_0 [ 635.785827][ C0] protocol 88fb is buggy, dev hsr_slave_1 2019/05/01 13:12:55 executed programs: 2228 2019/05/01 13:13:00 executed programs: 2276 2019/05/01 13:13:05 executed programs: 2323 2019/05/01 13:13:10 executed programs: 2371 [ 651.232525][T18519] WARNING: CPU: 1 PID: 18519 at kernel/locking/lockdep.c:746 register_lock_class+0xe10/0x1860 [ 651.242906][T18519] Kernel panic - not syncing: panic_on_warn set ... [ 651.249586][T18519] CPU: 1 PID: 18519 Comm: syz-executor.0 Not tainted 5.1.0-rc7+ #94 [ 651.257697][T18519] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 651.267863][T18519] Call Trace: [ 651.271159][T18519] dump_stack+0x172/0x1f0 [ 651.275650][T18519] ? register_lock_class+0xd40/0x1860 [ 651.281033][T18519] panic+0x2cb/0x65c [ 651.284935][T18519] ? __warn_printk+0xf3/0xf3 [ 651.289632][T18519] ? register_lock_class+0xe10/0x1860 [ 651.295286][T18519] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 651.301528][T18519] ? __warn.cold+0x5/0x45 [ 651.305971][T18519] ? __warn+0xe8/0x1d0 [ 651.310036][T18519] ? register_lock_class+0xe10/0x1860 [ 651.315506][T18519] __warn.cold+0x20/0x45 [ 651.319744][T18519] ? register_lock_class+0xe10/0x1860 [ 651.325309][T18519] report_bug+0x263/0x2b0 [ 651.329640][T18519] do_error_trap+0x11b/0x200 [ 651.334317][T18519] do_invalid_op+0x37/0x50 [ 651.338837][T18519] ? register_lock_class+0xe10/0x1860 [ 651.344304][T18519] invalid_op+0x14/0x20 [ 651.348766][T18519] RIP: 0010:register_lock_class+0xe10/0x1860 [ 651.354741][T18519] Code: 00 48 89 da 4d 8b 76 c0 48 b8 00 00 00 00 00 fc ff df 48 c1 ea 03 80 3c 02 00 0f 85 23 07 00 00 4c 89 33 e9 e3 f4 ff ff 0f 0b <0f> 0b e9 ea f3 ff ff 44 89 e0 4c 8b 95 50 ff ff ff 83 c0 01 4c 8b [ 651.374572][T18519] RSP: 0018:ffff88809b7e7a20 EFLAGS: 00010087 [ 651.380651][T18519] RAX: dffffc0000000000 RBX: ffff888097976920 RCX: 0000000000000000 [ 651.388618][T18519] RDX: 1ffff11012f2ed27 RSI: 0000000000000000 RDI: ffff888097976938 [ 651.396818][T18519] RBP: ffff88809b7e7ae8 R08: 1ffff110136fcf4c R09: ffffffff8a5c9a20 [ 651.405000][T18519] R10: ffffffff8a0b27f8 R11: 0000000000000000 R12: ffffffff8a122340 [ 651.413000][T18519] R13: 0000000000000000 R14: 0000000000000000 R15: ffffffff87fba320 [ 651.420995][T18519] ? futex_wait+0x482/0x5e0 [ 651.425621][T18519] ? is_dynamic_key+0x1c0/0x1c0 [ 651.430519][T18519] __lock_acquire+0xf9/0x3fb0 [ 651.435369][T18519] ? __fget+0x35a/0x550 [ 651.439517][T18519] ? mark_held_locks+0xf0/0xf0 [ 651.444312][T18519] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 651.450630][T18519] ? selinux_socket_connect_helper.isra.0+0x23a/0x550 [ 651.457434][T18519] lock_acquire+0x16f/0x3f0 [ 651.461939][T18519] ? lock_sock_nested+0x41/0x120 [ 651.467046][T18519] _raw_spin_lock_bh+0x33/0x50 [ 651.471905][T18519] ? lock_sock_nested+0x41/0x120 [ 651.476929][T18519] lock_sock_nested+0x41/0x120 [ 651.481712][T18519] selinux_netlbl_socket_connect+0x20/0xc0 [ 651.487538][T18519] selinux_socket_connect+0x6a/0x90 [ 651.493082][T18519] security_socket_connect+0x7d/0xc0 [ 651.498476][T18519] __sys_connect+0x19d/0x330 [ 651.503374][T18519] ? __ia32_sys_accept+0xb0/0xb0 [ 651.508411][T18519] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 651.514891][T18519] ? put_timespec64+0xda/0x140 [ 651.519650][T18519] ? nsecs_to_jiffies+0x30/0x30 [ 651.524538][T18519] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 651.529993][T18519] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 651.535456][T18519] ? do_syscall_64+0x26/0x610 [ 651.540361][T18519] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 651.546689][T18519] ? do_syscall_64+0x26/0x610 [ 651.551487][T18519] __x64_sys_connect+0x73/0xb0 [ 651.556252][T18519] do_syscall_64+0x103/0x610 [ 651.560910][T18519] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 651.566848][T18519] RIP: 0033:0x458da9 [ 651.570853][T18519] Code: ad b8 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 7b b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 651.590780][T18519] RSP: 002b:00007f16abb85c78 EFLAGS: 00000246 ORIG_RAX: 000000000000002a [ 651.599387][T18519] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000458da9 [ 651.607367][T18519] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000007 [ 651.615628][T18519] RBP: 000000000073bfa0 R08: 0000000000000000 R09: 0000000000000000 [ 651.623719][T18519] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f16abb866d4 [ 651.631858][T18519] R13: 00000000004bf1f1 R14: 00000000004d02c0 R15: 00000000ffffffff [ 651.640977][T18519] Kernel Offset: disabled [ 651.645450][T18519] Rebooting in 86400 seconds..