perf_event_open(&(0x7f0000000080)={0x2, 0x80, 0x7a, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, @perf_config_ext, 0x200, 0x1000000, 0x0, 0x5, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x3) r0 = getpid() get_robust_list(r0, &(0x7f0000000080)=0x0, &(0x7f0000000100)=0xffffffffffffff27) r1 = syz_open_dev$vcsn(&(0x7f00000032c0), 0x1, 0x40000) readv(r1, &(0x7f0000003600)=[{&(0x7f0000003300)=""/48, 0x30}, {&(0x7f0000003340)=""/57, 0x39}, {0x0}], 0x3) read(r1, &(0x7f0000000640)=""/199, 0xc7) get_robust_list(r0, &(0x7f0000000880)=&(0x7f0000000840)={&(0x7f0000000780)={&(0x7f0000000740)}, 0x0, &(0x7f0000000800)={&(0x7f00000007c0)}}, &(0x7f00000008c0)=0x18) fork() mlockall(0x3)