Warning: Permanently added '10.128.1.6' (ECDSA) to the list of known hosts. 2020/09/23 19:04:14 fuzzer started 2020/09/23 19:04:14 connecting to host at 10.128.0.105:36173 2020/09/23 19:04:14 checking machine... 2020/09/23 19:04:14 checking revisions... 2020/09/23 19:04:14 testing simple program... [ 38.576123] audit: type=1400 audit(1600887854.271:8): avc: denied { execmem } for pid=6368 comm="syz-executor.0" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=process permissive=1 [ 38.633913] IPVS: ftp: loaded support on port[0] = 21 2020/09/23 19:04:14 building call list... [ 39.259893] ================================================================================ [ 39.268634] UBSAN: Undefined behaviour in ./include/crypto/hash.h:686:9 [ 39.275394] member access within null pointer of type 'struct crypto_shash' [ 39.282489] CPU: 0 PID: 4118 Comm: kworker/u4:6 Not tainted 4.14.199-syzkaller #0 [ 39.290097] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 39.299454] Workqueue: netns cleanup_net [ 39.303518] Call Trace: [ 39.306104] dump_stack+0x21b/0x32e [ 39.309727] ? dma_virt_alloc+0x82/0x82 [ 39.313693] ? ubsan_prologue+0x29/0x50 [ 39.317664] ubsan_epilogue+0xe/0x3a [ 39.321370] handle_null_ptr_deref+0x78/0x80 [ 39.325768] __ubsan_handle_type_mismatch_v1+0x81/0xb0 [ 39.331044] sctp_destruct_sock+0x70/0x80 [ 39.335184] ? sctp_accept+0x730/0x730 [ 39.339083] __sk_destruct+0x93/0x8e0 [ 39.342879] ? proto_unregister+0x5e0/0x5e0 [ 39.347206] ? mark_held_locks+0xc4/0x120 [ 39.351347] __sk_free+0xf4/0x370 [ 39.354793] sk_free+0x30/0x50 [ 39.357982] sctp_close+0x667/0x940 [ 39.361612] ? sctp_init_sock+0x1430/0x1430 [ 39.365925] ? do_raw_spin_unlock+0x1e0/0x310 [ 39.370420] ? ip_mc_drop_socket+0x16/0x270 [ 39.374735] inet_release+0xfe/0x230 [ 39.378445] inet6_release+0x51/0x80 [ 39.382151] __sock_release+0x236/0x330 [ 39.386123] sctp_ctrlsock_exit+0x67/0x90 [ 39.390267] ops_exit_list+0x9a/0x190 [ 39.394064] cleanup_net+0x4a3/0xd30 [ 39.397770] ? net_drop_ns+0x90/0x90 [ 39.401489] process_one_work+0x7ac/0x1890 [ 39.405723] ? pwq_dec_nr_in_flight+0x360/0x360 [ 39.410386] ? lock_acquire+0x197/0x510 [ 39.414357] ? rwlock_bug.part.0+0xe0/0xe0 [ 39.418592] ? worker_thread+0x1e0/0x1330 [ 39.422733] worker_thread+0x6c1/0x1330 [ 39.426714] ? process_one_work+0x1890/0x1890 [ 39.431204] ? process_one_work+0x1890/0x1890 [ 39.435692] kthread+0x35e/0x530 [ 39.439052] ? kthread_create_on_node+0xd0/0xd0 [ 39.443714] ret_from_fork+0x24/0x30 [ 39.447435] ================================================================================ [ 39.738419] can: request_module (can-proto-0) failed. [ 39.751291] can: request_module (can-proto-0) failed. [ 39.763268] can: request_module (can-proto-0) failed. [ 39.815621] audit: type=1400 audit(1600887855.512:9): avc: denied { create } for pid=6352 comm="syz-fuzzer" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=dccp_socket permissive=1