Warning: Permanently added '10.128.0.230' (ECDSA) to the list of known hosts. 2020/09/26 11:13:17 fuzzer started 2020/09/26 11:13:17 connecting to host at 10.128.0.105:38451 2020/09/26 11:13:17 checking machine... 2020/09/26 11:13:17 checking revisions... 2020/09/26 11:13:17 testing simple program... syzkaller login: [ 38.102445] audit: type=1400 audit(1601118797.728:8): avc: denied { execmem } for pid=6410 comm="syz-executor.0" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=process permissive=1 [ 38.162684] IPVS: ftp: loaded support on port[0] = 21 2020/09/26 11:13:17 building call list... [ 38.784361] ================================================================================ [ 38.793183] UBSAN: Undefined behaviour in ./include/crypto/hash.h:686:9 [ 38.799932] member access within null pointer of type 'struct crypto_shash' [ 38.807023] CPU: 0 PID: 5569 Comm: kworker/u4:5 Not tainted 4.14.199-syzkaller #0 [ 38.814629] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 38.823985] Workqueue: netns cleanup_net [ 38.828034] Call Trace: [ 38.830623] dump_stack+0x21b/0x32e [ 38.834240] ? dma_virt_alloc+0x82/0x82 [ 38.838221] ? ubsan_prologue+0x29/0x50 [ 38.842190] ubsan_epilogue+0xe/0x3a [ 38.845894] handle_null_ptr_deref+0x78/0x80 [ 38.850305] __ubsan_handle_type_mismatch_v1+0x81/0xb0 [ 38.855575] sctp_destruct_sock+0x70/0x80 [ 38.859714] ? sctp_accept+0x730/0x730 [ 38.863589] __sk_destruct+0x93/0x8e0 [ 38.867375] ? proto_unregister+0x5e0/0x5e0 [ 38.871684] ? mark_held_locks+0xc4/0x120 [ 38.875822] __sk_free+0xf4/0x370 [ 38.879281] sk_free+0x30/0x50 [ 38.882463] sctp_close+0x667/0x940 [ 38.886082] ? sctp_init_sock+0x1430/0x1430 [ 38.890388] ? do_raw_spin_unlock+0x1e0/0x310 [ 38.894896] ? ip_mc_drop_socket+0x16/0x270 [ 38.899241] inet_release+0xfe/0x230 [ 38.902942] inet6_release+0x51/0x80 [ 38.906644] __sock_release+0x236/0x330 [ 38.910610] sctp_ctrlsock_exit+0x67/0x90 [ 38.914748] ops_exit_list+0x9a/0x190 [ 38.918574] cleanup_net+0x4a3/0xd30 [ 38.922280] ? net_drop_ns+0x90/0x90 [ 38.926000] process_one_work+0x7ac/0x1890 [ 38.930233] ? pwq_dec_nr_in_flight+0x360/0x360 [ 38.934891] ? lock_acquire+0x197/0x510 [ 38.938853] ? rwlock_bug.part.0+0xe0/0xe0 [ 38.943078] ? worker_thread+0x1e0/0x1330 [ 38.947219] worker_thread+0x6c1/0x1330 [ 38.951195] ? process_one_work+0x1890/0x1890 [ 38.955677] ? process_one_work+0x1890/0x1890 [ 38.960158] kthread+0x35e/0x530 [ 38.963509] ? kthread_create_on_node+0xd0/0xd0 [ 38.968169] ret_from_fork+0x24/0x30 [ 38.971874] ================================================================================ [ 39.363242] can: request_module (can-proto-0) failed. [ 39.396538] can: request_module (can-proto-0) failed. [ 39.408735] can: request_module (can-proto-0) failed. [ 39.458308] audit: type=1400 audit(1601118799.079:9): avc: denied { create } for pid=6394 comm="syz-fuzzer" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=dccp_socket permissive=1