Starting mcstransd: [....] Starting periodic command scheduler: cron[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting file context maintaining daemon: restorecond[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting OpenBSD Secure Shell server: sshd[ 10.231996] random: sshd: uninitialized urandom read (32 bytes read) [?25l[?1c7[ ok 8[?25h[?0c. Debian GNU/Linux 7 syzkaller ttyS0 syzkaller login: [ 34.885523] random: sshd: uninitialized urandom read (32 bytes read) [ 34.927187] random: crng init done Warning: Permanently added '10.128.0.190' (ECDSA) to the list of known hosts. 2019/09/14 04:43:23 parsed 1 programs 2019/09/14 04:43:24 executed programs: 0 [ 49.548682] audit: type=1400 audit(1568436204.969:5): avc: denied { associate } for pid=2071 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 [ 49.585119] netlink: 12 bytes leftover after parsing attributes in process `syz-executor.0'. [ 49.595773] netlink: 12 bytes leftover after parsing attributes in process `syz-executor.0'. [ 49.611427] netlink: 12 bytes leftover after parsing attributes in process `syz-executor.0'. [ 49.621049] netlink: 12 bytes leftover after parsing attributes in process `syz-executor.0'. [ 49.636854] netlink: 12 bytes leftover after parsing attributes in process `syz-executor.0'. [ 49.646262] netlink: 12 bytes leftover after parsing attributes in process `syz-executor.0'. [ 49.662418] netlink: 12 bytes leftover after parsing attributes in process `syz-executor.0'. [ 49.672239] netlink: 12 bytes leftover after parsing attributes in process `syz-executor.0'. [ 49.687990] netlink: 12 bytes leftover after parsing attributes in process `syz-executor.0'. [ 49.697792] netlink: 12 bytes leftover after parsing attributes in process `syz-executor.0'. [ 51.116054] ------------[ cut here ]------------ [ 51.121024] WARNING: CPU: 1 PID: 2846 at net/xfrm/xfrm_policy.c:797 xfrm_policy_insert+0x6fa/0x10e0 [ 51.130316] Kernel panic - not syncing: panic_on_warn set ... [ 51.130316] [ 51.137684] CPU: 1 PID: 2846 Comm: syz-executor.0 Not tainted 4.9.192+ #0 [ 51.144603] ffff8801c70cf3b0 ffffffff81b67081 0000000000000000 ffffffff82a3b340 [ 51.152718] 00000000ffffffff 0000000000000001 0000000000000009 ffff8801c70cf490 [ 51.160948] ffffffff813fefda 0000000041b58ab3 ffffffff82e32ec5 ffffffff813fee01 [ 51.169777] Call Trace: [ 51.172356] [<00000000741e38eb>] dump_stack+0xc1/0x120 [ 51.177721] [<00000000d3828024>] panic+0x1d9/0x3bd [ 51.182717] [<00000000883038a6>] ? add_taint.cold+0x16/0x16 [ 51.188500] [<00000000e7d1d2e7>] ? __debug_object_init+0x193/0x8b0 [ 51.194885] [<00000000027a191f>] ? __warn.cold+0x14/0x2f [ 51.200404] [<0000000007b37ac3>] ? xfrm_policy_insert+0x6fa/0x10e0 [ 51.206787] [<000000004be115e8>] __warn.cold+0x2f/0x2f [ 51.212147] [<00000000c1835c91>] warn_slowpath_null+0x2d/0x40 [ 51.218105] [<0000000007b37ac3>] xfrm_policy_insert+0x6fa/0x10e0 [ 51.224356] [<00000000379571e2>] xfrm_add_policy+0x23c/0x4b0 [ 51.230419] [<00000000485b6ead>] ? xfrm_add_acquire+0x9c0/0x9c0 [ 51.236558] [<00000000ba90ba13>] ? validate_nla+0x1c0/0x4d0 [ 51.242556] [<00000000404714e8>] ? nla_parse+0x15f/0x1c0 [ 51.248087] [<00000000485b6ead>] ? xfrm_add_acquire+0x9c0/0x9c0 [ 51.254382] [<000000002a26629a>] xfrm_user_rcv_msg+0x32c/0x5e0 [ 51.260432] [<0000000067a1deb5>] ? xfrm_dump_sa_done+0xe0/0xe0 [ 51.266590] [<00000000737a9598>] ? trace_hardirqs_on+0x10/0x10 [ 51.272678] [<00000000574a7deb>] ? __lock_acquire+0x5e0/0x4390 [ 51.278737] [<000000005cf51a7f>] ? check_preemption_disabled+0x3c/0x200 [ 51.285563] [<000000003b6b8de8>] ? mutex_trylock+0x3f0/0x3f0 [ 51.291489] [<00000000d2c28659>] netlink_rcv_skb+0xd4/0x2e0 [ 51.297272] [<0000000067a1deb5>] ? xfrm_dump_sa_done+0xe0/0xe0 [ 51.303314] [<000000007ad27f24>] xfrm_netlink_rcv+0x70/0x90 [ 51.309094] [<00000000b9372788>] netlink_unicast+0x4c6/0x6d0 [ 51.314966] [<00000000ba3b146c>] ? netlink_sendskb+0x60/0x60 [ 51.320827] [<0000000039998312>] netlink_sendmsg+0x6b6/0xc80 [ 51.326704] [<000000000f796af3>] ? nlmsg_notify+0x170/0x170 [ 51.332486] [<00000000a3614e02>] ? selinux_socket_sendmsg+0x3f/0x50 [ 51.339126] [<00000000be528b65>] ? security_socket_sendmsg+0x8f/0xc0 [ 51.345700] [<000000000f796af3>] ? nlmsg_notify+0x170/0x170 [ 51.351491] [<00000000ed98eb88>] sock_sendmsg+0xbe/0x110 [ 51.357027] [<000000004b81e1f0>] ___sys_sendmsg+0x78b/0x8b0 [ 51.362818] [<00000000f3ba492d>] ? copy_msghdr_from_user+0x550/0x550 [ 51.369445] [<0000000022778424>] ? do_futex+0x161/0x1a70 [ 51.374963] [<00000000a6b9b187>] ? debug_lockdep_rcu_enabled+0x71/0xa0 [ 51.381704] [<000000005cf51a7f>] ? check_preemption_disabled+0x3c/0x200 [ 51.388537] [<000000005cf51a7f>] ? check_preemption_disabled+0x3c/0x200 [ 51.395365] [<000000005cf51a7f>] ? check_preemption_disabled+0x3c/0x200 [ 51.402211] [<00000000502c39d4>] ? __fget+0x208/0x370 [ 51.407472] [<0000000098592296>] ? __fget+0x22f/0x370 [ 51.412750] [<00000000034d9900>] ? __fget+0x47/0x370 [ 51.417937] [<000000004300f99d>] ? __fget_light+0x172/0x1f0 [ 51.423720] [<000000008d89c0cf>] ? __fdget+0x1b/0x20 [ 51.428909] [<00000000a3a2f46e>] ? sockfd_lookup_light+0xb4/0x160 [ 51.435213] [<0000000020e92359>] __sys_sendmsg+0xc8/0x170 [ 51.440816] [<00000000362ff777>] ? SyS_shutdown+0x1a0/0x1a0 [ 51.446607] [<000000000a75d875>] ? SyS_clock_gettime+0x118/0x1f0 [ 51.452998] [<0000000040736377>] ? SyS_clock_settime+0x230/0x230 [ 51.459221] [<000000006bbc6849>] SyS_sendmsg+0x2d/0x50 [ 51.464743] [<000000000a778fe1>] ? __sys_sendmsg+0x170/0x170 [ 51.470698] [<00000000055b1004>] do_syscall_64+0x1ad/0x5c0 [ 51.476398] [<000000005606eee6>] entry_SYSCALL_64_after_swapgs+0x5d/0xdb [ 51.484210] Kernel Offset: disabled [ 51.487835] Rebooting in 86400 seconds..