Warning: Permanently added '10.128.0.27' (ECDSA) to the list of known hosts. 2020/09/29 13:58:25 fuzzer started 2020/09/29 13:58:25 connecting to host at 10.128.0.105:32913 2020/09/29 13:58:25 checking machine... 2020/09/29 13:58:25 checking revisions... 2020/09/29 13:58:25 testing simple program... syzkaller login: [ 37.995688] audit: type=1400 audit(1601387905.784:8): avc: denied { execmem } for pid=6379 comm="syz-executor.0" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=process permissive=1 [ 38.050900] IPVS: ftp: loaded support on port[0] = 21 2020/09/29 13:58:25 building call list... [ 38.651585] ================================================================================ [ 38.660322] UBSAN: Undefined behaviour in ./include/crypto/hash.h:686:9 [ 38.667070] member access within null pointer of type 'struct crypto_shash' [ 38.674184] CPU: 0 PID: 22 Comm: kworker/u4:1 Not tainted 4.14.199-syzkaller #0 [ 38.681649] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 38.691111] Workqueue: netns cleanup_net [ 38.695168] Call Trace: [ 38.697757] dump_stack+0x21b/0x32e [ 38.701384] ? dma_virt_alloc+0x82/0x82 [ 38.705354] ? ubsan_prologue+0x29/0x50 [ 38.709352] ubsan_epilogue+0xe/0x3a [ 38.713062] handle_null_ptr_deref+0x78/0x80 [ 38.717489] __ubsan_handle_type_mismatch_v1+0x81/0xb0 [ 38.722783] sctp_destruct_sock+0x70/0x80 [ 38.726941] ? sctp_accept+0x730/0x730 [ 38.730824] __sk_destruct+0x93/0x8e0 [ 38.734706] ? proto_unregister+0x5e0/0x5e0 [ 38.739028] ? mark_held_locks+0xc4/0x120 [ 38.743176] __sk_free+0xf4/0x370 [ 38.746626] sk_free+0x30/0x50 [ 38.749814] sctp_close+0x667/0x940 [ 38.753442] ? sctp_init_sock+0x1430/0x1430 [ 38.757774] ? do_raw_spin_unlock+0x1e0/0x310 [ 38.762270] ? ip_mc_drop_socket+0x16/0x270 [ 38.766586] inet_release+0xfe/0x230 [ 38.770297] inet6_release+0x51/0x80 [ 38.774006] __sock_release+0x236/0x330 [ 38.777981] sctp_ctrlsock_exit+0x67/0x90 [ 38.782149] ops_exit_list+0x9a/0x190 [ 38.785971] cleanup_net+0x4a3/0xd30 [ 38.789684] ? net_drop_ns+0x90/0x90 [ 38.793414] process_one_work+0x7ac/0x1890 [ 38.797669] ? pwq_dec_nr_in_flight+0x360/0x360 [ 38.802333] ? lock_acquire+0x197/0x510 [ 38.806320] ? rwlock_bug.part.0+0xe0/0xe0 [ 38.810549] ? worker_thread+0x1e0/0x1330 [ 38.814718] worker_thread+0x6c1/0x1330 [ 38.818722] ? process_one_work+0x1890/0x1890 [ 38.823233] ? process_one_work+0x1890/0x1890 [ 38.827724] kthread+0x35e/0x530 [ 38.831085] ? kthread_create_on_node+0xd0/0xd0 [ 38.835754] ret_from_fork+0x24/0x30 [ 38.839469] ================================================================================ [ 39.217304] can: request_module (can-proto-0) failed. [ 39.233071] can: request_module (can-proto-0) failed. [ 39.245619] can: request_module (can-proto-0) failed. [ 39.298383] audit: type=1400 audit(1601387907.085:9): avc: denied { create } for pid=6363 comm="syz-fuzzer" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=dccp_socket permissive=1