Warning: Permanently added '10.128.0.129' (ECDSA) to the list of known hosts.
executing program
[   41.280060] audit: type=1400 audit(1600620429.898:8): avc:  denied  { execmem } for  pid=6485 comm="syz-executor393" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=process permissive=1
[   41.307947] ================================================================================
[   41.316655] UBSAN: Undefined behaviour in arch/x86/kernel/uprobes.c:276:56
[   41.323671] index 4 is out of range for type 'insn_byte_t [4]'
[   41.329719] CPU: 0 PID: 6485 Comm: syz-executor393 Not tainted 4.19.146-syzkaller #0
[   41.337697] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[   41.347088] Call Trace:
[   41.349689]  dump_stack+0x22c/0x33e
[   41.353306]  ubsan_epilogue+0xe/0x3a
[   41.357017]  __ubsan_handle_out_of_bounds.cold+0x63/0x6f
[   41.363343]  arch_uprobe_analyze_insn+0x9d8/0xaa0
[   41.368302]  ? default_abort_op+0x110/0x110
[   41.372709]  ? do_read_cache_page+0xfe/0x1080
[   41.377416]  ? copy_insn+0x3f3/0x4f0
[   41.381129]  uprobe_mmap+0x8c2/0xa70
[   41.385152]  ? uprobe_apply+0x160/0x160
[   41.389137]  mmap_region+0x552/0x1510
[   41.392938]  ? vm_brk+0x20/0x20
[   41.396208]  ? security_mmap_addr+0x73/0x90
[   41.400610]  ? get_unmapped_area+0x296/0x3b0
[   41.405015]  do_mmap+0x8e8/0x1080
[   41.408465]  vm_mmap_pgoff+0x197/0x200
[   41.412528]  ? vma_is_stack_for_current+0xc0/0xc0
[   41.417363]  ? copy_fd_bitmaps+0x2c0/0x2c0
[   41.421615]  ? perf_event_set_output+0x4c0/0x4c0
[   41.426467]  ksys_mmap_pgoff+0x2d1/0x660
[   41.430616]  ? find_mergeable_anon_vma+0x260/0x260
[   41.435543]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[   41.440336]  ? trace_hardirqs_off_caller+0x69/0x210
[   41.445377]  ? do_syscall_64+0x21/0x670
[   41.449338]  do_syscall_64+0xf9/0x670
[   41.453142]  entry_SYSCALL_64_after_hwframe+0x49/0xbe
[   41.458416] RIP: 0033:0x440379
[   41.461628] Code: 18 89 d0 c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 7b 13 fc ff c3 66 2e 0f 1f 84 00 00 00 00
[   41.481217] RSP: 002b:00007ffc9703b438 EFLAGS: 00000246 ORIG_RAX: 0000000000000009
[   41.488933] RAX: ffffffffffffffda RBX: 00000000004002c8 RCX: 0000000000440379
[   41.496569] RDX: 0000000000000000 RSI: 0000000000003000 RDI: 0000000020007000
[   41.507708] RBP: 00000000006ca018 R08: 0000000000000003 R09: 0000000000000000
[   41.517235] R10: 0000000000000412 R11: 0000000000000246 R12: 0000000000401b80
[   41.52942