[....] Starting file context maintaining daemon: restorecond[?25l[?1c7[ ok 8[?25h[?0c. [ 11.563607] random: sshd: uninitialized urandom read (32 bytes read) [ 11.764825] audit: type=1400 audit(1567762087.157:6): avc: denied { map } for pid=1767 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 [ 11.792676] random: sshd: uninitialized urandom read (32 bytes read) [ 12.440893] urandom_read: 1 callbacks suppressed [ 12.440897] random: sshd: uninitialized urandom read (32 bytes read) Debian GNU/Linux 7 syzkaller ttyS0 Warning: Permanently added '10.128.0.77' (ECDSA) to the list of known hosts. syzkaller login: [ 17.915592] random: sshd: uninitialized urandom read (32 bytes read) 2019/09/06 09:28:13 parsed 1 programs [ 18.010693] audit: type=1400 audit(1567762093.407:7): avc: denied { map } for pid=1779 comm="syz-execprog" path="/root/syz-execprog" dev="sda1" ino=1426 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:object_r:user_home_t:s0 tclass=file permissive=1 [ 18.068644] audit: type=1400 audit(1567762093.457:8): avc: denied { map } for pid=1779 comm="syz-execprog" path="/sys/kernel/debug/kcov" dev="debugfs" ino=5044 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=system_u:object_r:debugfs_t:s0 tclass=file permissive=1 [ 18.745799] random: cc1: uninitialized urandom read (8 bytes read) 2019/09/06 09:28:15 executed programs: 0 [ 19.959141] audit: type=1400 audit(1567762095.347:9): avc: denied { map } for pid=1779 comm="syz-execprog" path="/root/syzkaller-shm731338059" dev="sda1" ino=2339 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:object_r:file_t:s0 tclass=file permissive=1 [ 21.923428] ------------[ cut here ]------------ [ 21.928326] WARNING: CPU: 0 PID: 1954 at net/xfrm/xfrm_policy.c:761 xfrm_policy_insert+0x717/0x1000 [ 21.937504] Kernel panic - not syncing: panic_on_warn set ... [ 21.937504] [ 21.944850] CPU: 0 PID: 1954 Comm: syz-executor.0 Not tainted 4.14.141+ #0 [ 21.951886] Call Trace: [ 21.954464] dump_stack+0xca/0x134 [ 21.957995] panic+0x1ea/0x3d3 [ 21.961217] ? add_taint.cold+0x16/0x16 [ 21.965178] ? xfrm_policy_insert+0x717/0x1000 [ 21.969751] ? __probe_kernel_read+0x163/0x1c0 [ 21.974317] ? xfrm_policy_insert+0x717/0x1000 [ 21.978879] __warn.cold+0x2f/0x3a [ 21.982406] ? xfrm_policy_insert+0x717/0x1000 [ 21.986974] report_bug+0x20a/0x248 [ 21.990587] do_error_trap+0x1bf/0x2d0 [ 21.994467] ? math_error+0x2d0/0x2d0 [ 21.998263] ? __debug_object_init+0x17d/0x7d0 [ 22.002821] ? __debug_object_init+0x3f2/0x7d0 [ 22.007390] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 22.012244] invalid_op+0x18/0x40 [ 22.015685] RIP: 0010:xfrm_policy_insert+0x717/0x1000 [ 22.020850] RSP: 0018:ffff8881cc9a74c0 EFLAGS: 00010297 [ 22.026203] RAX: ffff8881cca3de00 RBX: ffff8881cca36d00 RCX: 0000000000000000 [ 22.033451] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff8881cc92e94c [ 22.040715] RBP: dffffc0000000000 R08: 000000000000415f R09: ffffed1039f73370 [ 22.047964] R10: ffffed1039f7336f R11: ffff8881cfb99b7b R12: ffff8881cc92e880 [ 22.055212] R13: 0000000000000000 R14: 0000000000000000 R15: ffff8881cca36e08 [ 22.062494] xfrm_add_policy+0x21d/0x480 [ 22.066537] ? xfrm_add_acquire+0x9c0/0x9c0 [ 22.070851] ? __cap_capable+0x1c4/0x230 [ 22.074891] ? validate_nla+0x1a6/0x650 [ 22.078847] ? nla_parse+0x162/0x220 [ 22.082550] ? xfrm_add_acquire+0x9c0/0x9c0 [ 22.086849] xfrm_user_rcv_msg+0x2ef/0x550 [ 22.091064] ? xfrm_dump_sa_done+0xd0/0xd0 [ 22.095279] ? avc_has_perm+0x143/0x350 [ 22.099255] ? __mutex_lock+0x73f/0x13e0 [ 22.103295] ? xfrm_netlink_rcv+0x5c/0x90 [ 22.107422] ? __netlink_lookup+0x348/0x600 [ 22.111726] netlink_rcv_skb+0x137/0x3a0 [ 22.115780] ? xfrm_dump_sa_done+0xd0/0xd0 [ 22.120004] ? netlink_ack+0x980/0x980 [ 22.123882] ? lock_downgrade+0x5d0/0x5d0 [ 22.128024] xfrm_netlink_rcv+0x6b/0x90 [ 22.131977] netlink_unicast+0x478/0x650 [ 22.136019] ? netlink_sendskb+0x60/0x60 [ 22.140080] netlink_sendmsg+0x66a/0xbe0 [ 22.144140] ? nlmsg_notify+0x170/0x170 [ 22.148098] ? move_addr_to_kernel.part.0+0xf0/0xf0 [ 22.153114] ? nlmsg_notify+0x170/0x170 [ 22.157079] sock_sendmsg+0xb7/0x100 [ 22.160781] ___sys_sendmsg+0x752/0x890 [ 22.164743] ? copy_msghdr_from_user+0x3b0/0x3b0 [ 22.169488] ? trace_hardirqs_on+0x10/0x10 [ 22.173739] ? __fget+0x210/0x370 [ 22.177178] ? lock_downgrade+0x5d0/0x5d0 [ 22.181304] ? lock_acquire+0x12b/0x360 [ 22.185258] ? check_preemption_disabled+0x35/0x1f0 [ 22.190256] ? check_preemption_disabled+0x35/0x1f0 [ 22.195256] ? __fget+0x237/0x370 [ 22.198706] ? __fget_light+0x1a3/0x200 [ 22.202666] __sys_sendmsg+0xb6/0x150 [ 22.206448] ? SyS_shutdown+0x190/0x190 [ 22.210405] ? nsecs_to_jiffies+0x30/0x30 [ 22.214551] ? SyS_clock_gettime+0x7d/0xe0 [ 22.218775] ? do_clock_gettime+0xd0/0xd0 [ 22.222912] SyS_sendmsg+0x27/0x40 [ 22.226440] ? __sys_sendmsg+0x150/0x150 [ 22.230488] do_syscall_64+0x19b/0x520 [ 22.234363] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 22.239536] RIP: 0033:0x459879 [ 22.242708] RSP: 002b:00007fdab4813c78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 22.250408] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000459879 [ 22.257843] RDX: 0000000000000000 RSI: 0000000020000080 RDI: 0000000000000004 [ 22.265109] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 22.272377] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fdab48146d4 [ 22.279624] R13: 00000000004c77d9 R14: 00000000004dd030 R15: 00000000ffffffff [ 22.287498] Kernel Offset: 0x1e000000 from 0xffffffff81000000 (relocation range: 0xffffffff80000000-0xffffffffbfffffff) [ 22.298434] Rebooting in 86400 seconds..