[....] Starting OpenBSD Secure Shell server: sshd[ 11.538504] random: sshd: uninitialized urandom read (32 bytes read) [?25l[?1c7[ ok 8[?25h[?0c. Debian GNU/Linux 7 syzkaller ttyS0 syzkaller login: [ 25.273055] random: sshd: uninitialized urandom read (32 bytes read) [ 25.806993] audit: type=1400 audit(1564586628.488:6): 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 [ 25.876487] random: sshd: uninitialized urandom read (32 bytes read) [ 26.399344] random: sshd: uninitialized urandom read (32 bytes read) [ 26.561161] random: sshd: uninitialized urandom read (32 bytes read) Warning: Permanently added '10.128.0.245' (ECDSA) to the list of known hosts. [ 32.067794] random: sshd: uninitialized urandom read (32 bytes read) [ 32.164216] audit: type=1400 audit(1564586634.848:7): avc: denied { map } for pid=1785 comm="syz-executor586" path="/root/syz-executor586831720" dev="sda1" ino=16482 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:object_r:user_home_t:s0 tclass=file permissive=1 [ 34.331218] syz-executor586 (1799) used greatest stack depth: 24416 bytes left [ 34.537997] ------------[ cut here ]------------ [ 34.543414] WARNING: CPU: 0 PID: 1797 at net/xfrm/xfrm_state.c:2353 xfrm_state_fini+0x1e5/0x250 [ 34.553729] Kernel panic - not syncing: panic_on_warn set ... [ 34.553729] [ 34.561378] CPU: 0 PID: 1797 Comm: kworker/u4:3 Not tainted 4.14.135+ #24 [ 34.568786] Workqueue: netns cleanup_net [ 34.573043] Call Trace: [ 34.576274] dump_stack+0xca/0x134 [ 34.580601] panic+0x1ea/0x3d3 [ 34.584134] ? add_taint.cold+0x16/0x16 [ 34.588399] ? xfrm_state_fini+0x1e5/0x250 [ 34.592669] ? __probe_kernel_read+0x163/0x1c0 [ 34.597800] ? xfrm_state_fini+0x1e5/0x250 [ 34.602580] __warn.cold+0x2f/0x3a [ 34.606360] ? xfrm_state_fini+0x1e5/0x250 [ 34.610736] ? report_bug+0x20a/0x248 [ 34.614564] ? do_error_trap+0x1bf/0x2d0 [ 34.619672] ? math_error+0x2d0/0x2d0 [ 34.623861] ? trace_hardirqs_on_caller+0x37b/0x540 [ 34.629066] ? flush_work+0x3f6/0x720 [ 34.633774] ? insert_work+0x330/0x330 [ 34.637867] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 34.642924] ? invalid_op+0x18/0x40 [ 34.646680] ? xfrm_state_fini+0x1e5/0x250 [ 34.651387] ? xfrm_policy_fini+0x260/0x260 [ 34.656007] ? ops_exit_list.isra.0+0xa8/0x150 [ 34.661656] ? cleanup_net+0x3ce/0x870 [ 34.665586] ? net_drop_ns.part.0+0x70/0x70 [ 34.670045] ? lock_acquire+0x12b/0x360 [ 34.674658] ? process_one_work+0x7f1/0x1580 [ 34.679539] ? pwq_dec_nr_in_flight+0x2c0/0x2c0 [ 34.684291] ? worker_thread+0xdd/0xdf0 [ 34.688664] ? process_one_work+0x1580/0x1580 [ 34.693195] ? kthread+0x31f/0x430 [ 34.698262] ? kthread_create_on_node+0xf0/0xf0 [ 34.703396] ? ret_from_fork+0x3a/0x50 [ 34.708474] Kernel Offset: 0x1a00000 from 0xffffffff81000000 (relocation range: 0xffffffff80000000-0xffffffffbfffffff) [ 34.721809] Rebooting in 86400 seconds..