Warning: Permanently added '10.128.10.15' (ECDSA) to the list of known hosts. 2020/10/01 08:31:46 fuzzer started 2020/10/01 08:31:46 connecting to host at 10.128.0.105:45239 2020/10/01 08:31:46 checking machine... 2020/10/01 08:31:46 checking revisions... 2020/10/01 08:31:46 testing simple program... syzkaller login: [ 37.887254] audit: type=1400 audit(1601541106.992:8): avc: denied { execmem } for pid=6383 comm="syz-executor.0" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=process permissive=1 [ 37.942387] IPVS: ftp: loaded support on port[0] = 21 2020/10/01 08:31:47 building call list... [ 38.571064] ================================================================================ [ 38.579917] UBSAN: Undefined behaviour in ./include/crypto/hash.h:686:9 [ 38.586669] member access within null pointer of type 'struct crypto_shash' [ 38.593862] CPU: 1 PID: 2529 Comm: kworker/u4:4 Not tainted 4.14.199-syzkaller #0 [ 38.601568] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 38.610937] Workqueue: netns cleanup_net [ 38.614999] Call Trace: [ 38.617590] dump_stack+0x21b/0x32e [ 38.621233] ? dma_virt_alloc+0x82/0x82 [ 38.625212] ? ubsan_prologue+0x29/0x50 [ 38.629198] ubsan_epilogue+0xe/0x3a [ 38.632912] handle_null_ptr_deref+0x78/0x80 [ 38.637323] __ubsan_handle_type_mismatch_v1+0x81/0xb0 [ 38.642611] sctp_destruct_sock+0x70/0x80 [ 38.646765] ? sctp_accept+0x730/0x730 [ 38.650653] __sk_destruct+0x93/0x8e0 [ 38.654455] ? proto_unregister+0x5e0/0x5e0 [ 38.658787] ? mark_held_locks+0xc4/0x120 [ 38.662957] __sk_free+0xf4/0x370 [ 38.666419] sk_free+0x30/0x50 [ 38.669610] sctp_close+0x667/0x940 [ 38.673319] ? sctp_init_sock+0x1430/0x1430 [ 38.677645] ? do_raw_spin_unlock+0x1e0/0x310 [ 38.682150] ? ip_mc_drop_socket+0x16/0x270 [ 38.686484] inet_release+0xfe/0x230 [ 38.690202] inet6_release+0x51/0x80 [ 38.694040] __sock_release+0x236/0x330 [ 38.698023] sctp_ctrlsock_exit+0x67/0x90 [ 38.702181] ops_exit_list+0x9a/0x190 [ 38.705992] cleanup_net+0x4a3/0xd30 [ 38.709710] ? net_drop_ns+0x90/0x90 [ 38.713437] process_one_work+0x7ac/0x1890 [ 38.717680] ? pwq_dec_nr_in_flight+0x360/0x360 [ 38.722351] ? lock_acquire+0x197/0x510 [ 38.726350] ? rwlock_bug.part.0+0xe0/0xe0 [ 38.730587] ? worker_thread+0x1e0/0x1330 [ 38.734738] worker_thread+0x6c1/0x1330 [ 38.738737] ? process_one_work+0x1890/0x1890 [ 38.743234] ? process_one_work+0x1890/0x1890 [ 38.747736] kthread+0x35e/0x530 [ 38.751106] ? kthread_create_on_node+0xd0/0xd0 [ 38.755780] ret_from_fork+0x24/0x30 [ 38.759493] ================================================================================ [ 39.146040] can: request_module (can-proto-0) failed. [ 39.160114] can: request_module (can-proto-0) failed. [ 39.172516] can: request_module (can-proto-0) failed. [ 39.225222] audit: type=1400 audit(1601541108.333:9): avc: denied { create } for pid=6368 comm="syz-fuzzer" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=dccp_socket permissive=1