Warning: Permanently added '10.128.15.200' (ECDSA) to the list of known hosts. 2020/09/21 08:07:29 fuzzer started 2020/09/21 08:07:29 connecting to host at 10.128.0.105:40231 2020/09/21 08:07:29 checking machine... 2020/09/21 08:07:29 checking revisions... 2020/09/21 08:07:29 testing simple program... [ 36.497148] audit: type=1400 audit(1600675649.419:8): avc: denied { execmem } for pid=6376 comm="syz-executor.0" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=process permissive=1 [ 36.549414] IPVS: ftp: loaded support on port[0] = 21 2020/09/21 08:07:29 building call list... [ 37.093445] ================================================================================ [ 37.102164] UBSAN: Undefined behaviour in ./include/crypto/hash.h:686:9 [ 37.108903] member access within null pointer of type 'struct crypto_shash' [ 37.115996] CPU: 1 PID: 5 Comm: kworker/u4:0 Not tainted 4.14.198-syzkaller #0 [ 37.123343] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 37.132694] Workqueue: netns cleanup_net [ 37.136746] Call Trace: [ 37.139325] dump_stack+0x21b/0x32e [ 37.142942] ? dma_virt_alloc+0x82/0x82 [ 37.146930] ? ubsan_prologue+0x29/0x50 [ 37.150991] ubsan_epilogue+0xe/0x3a [ 37.154703] handle_null_ptr_deref+0x78/0x80 [ 37.159126] __ubsan_handle_type_mismatch_v1+0x81/0xb0 [ 37.164419] sctp_destruct_sock+0x70/0x80 [ 37.168557] ? sctp_accept+0x730/0x730 [ 37.172452] __sk_destruct+0x93/0x8e0 [ 37.176245] ? proto_unregister+0x5e0/0x5e0 [ 37.180561] ? mark_held_locks+0xc4/0x120 [ 37.184703] __sk_free+0xf4/0x370 [ 37.188264] sk_free+0x30/0x50 [ 37.191450] sctp_close+0x667/0x940 [ 37.195073] ? sctp_init_sock+0x1430/0x1430 [ 37.199392] ? do_raw_spin_unlock+0x1e0/0x310 [ 37.203902] ? ip_mc_drop_socket+0x16/0x270 [ 37.208249] inet_release+0xfe/0x230 [ 37.211959] inet6_release+0x51/0x80 [ 37.215666] __sock_release+0x236/0x330 [ 37.219633] sctp_ctrlsock_exit+0x67/0x90 [ 37.223771] ops_exit_list+0x9a/0x190 [ 37.227563] cleanup_net+0x4a3/0xd30 [ 37.231269] ? net_drop_ns+0x90/0x90 [ 37.234986] process_one_work+0x7ac/0x1890 [ 37.239220] ? pwq_dec_nr_in_flight+0x360/0x360 [ 37.243882] ? lock_acquire+0x197/0x510 [ 37.247847] ? rwlock_bug.part.0+0xe0/0xe0 [ 37.252079] ? worker_thread+0x1e0/0x1330 [ 37.256223] worker_thread+0x6c1/0x1330 [ 37.260206] ? process_one_work+0x1890/0x1890 [ 37.264693] ? process_one_work+0x1890/0x1890 [ 37.269179] kthread+0x35e/0x530 [ 37.272547] ? kthread_create_on_node+0xd0/0xd0 [ 37.277209] ret_from_fork+0x24/0x30 [ 37.280912] ================================================================================ [ 37.551508] can: request_module (can-proto-0) failed. [ 37.564414] can: request_module (can-proto-0) failed. [ 37.578275] can: request_module (can-proto-0) failed. [ 37.656312] audit: type=1400 audit(1600675650.580:9): avc: denied { create } for pid=6361 comm="syz-fuzzer" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=dccp_socket permissive=1