Warning: Permanently added '10.128.10.56' (ECDSA) to the list of known hosts.
2020/09/23 10:52:26 fuzzer started
2020/09/23 10:52:26 connecting to host at 10.128.0.105:33331
2020/09/23 10:52:26 checking machine...
2020/09/23 10:52:26 checking revisions...
2020/09/23 10:52:26 testing simple program...
syzkaller login: [   36.779511] audit: type=1400 audit(1600858346.610:8): avc:  denied  { execmem } for  pid=6366 comm="syz-executor.0" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=process permissive=1
[   36.832463] IPVS: ftp: loaded support on port[0] = 21
2020/09/23 10:52:26 building call list...
[   37.398235] ================================================================================
[   37.406966] UBSAN: Undefined behaviour in ./include/crypto/hash.h:686:9
[   37.413705] member access within null pointer of type 'struct crypto_shash'
[   37.420796] CPU: 0 PID: 55 Comm: kworker/u4:2 Not tainted 4.14.199-syzkaller #0
[   37.428243] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[   37.437595] Workqueue: netns cleanup_net
[   37.441647] Call Trace:
[   37.444229]  dump_stack+0x21b/0x32e
[   37.447850]  ? dma_virt_alloc+0x82/0x82
[   37.451987]  ? ubsan_prologue+0x29/0x50
[   37.455976]  ubsan_epilogue+0xe/0x3a
[   37.459679]  handle_null_ptr_deref+0x78/0x80
[   37.464079]  __ubsan_handle_type_mismatch_v1+0x81/0xb0
[   37.469350]  sctp_destruct_sock+0x70/0x80
[   37.473485]  ? sctp_accept+0x730/0x730
[   37.477361]  __sk_destruct+0x93/0x8e0
[   37.481151]  ? proto_unregister+0x5e0/0x5e0
[   37.485465]  ? mark_held_locks+0xc4/0x120
[   37.489604]  __sk_free+0xf4/0x370
[   37.493045]  sk_free+0x30/0x50
[   37.496226]  sctp_close+0x667/0x940
[   37.499850]  ? sctp_init_sock+0x1430/0x1430
[   37.504161]  ? do_raw_spin_unlock+0x1e0/0x310
[   37.508651]  ? ip_mc_drop_socket+0x16/0x270
[   37.512966]  inet_release+0xfe/0x230
[   37.516671]  inet6_release+0x51/0x80
[   37.520373]  __sock_release+0x236/0x330
[   37.524341]  sctp_ctrlsock_exit+0x67/0x90
[   37.528505]  ops_exit_list+0x9a/0x190
[   37.532300]  cleanup_net+0x4a3/0xd30
[   37.536005]  ? net_drop_ns+0x90/0x90
[   37.539726]  process_one_work+0x7ac/0x1890
[   37.543956]  ? pwq_dec_nr_in_flight+0x360/0x360
[   37.548616]  ? lock_acquire+0x197/0x510
[   37.552583]  ? rwlock_bug.part.0+0xe0/0xe0
[   37.556898]  ? worker_thread+0x1e0/0x1330
[   37.561038]  worker_thread+0x6c1/0x1330
[   37.565011]  ? process_one_work+0x1890/0x1890
[   37.569485]  ? process_one_work+0x1890/0x1890
[   37.573977]  kthread+0x35e/0x530
[   37.577325]  ? kthread_create_on_node+0xd0/0xd0
[   37.581973]  ret_from_fork+0x24/0x30
[   37.585670] ================================================================================
[   37.890441] can: request_module (can-proto-0) failed.
[   37.902410] can: request_module (can-proto-0) failed.
[   37.915032] can: request_module (can-proto-0) failed.
[   37.965351] audit: type=1400 audit(1600858347.791:9): avc:  denied  { create } for  pid=6350 comm="syz-fuzzer" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=dccp_socket permissive=1