r0 = getpgrp(0x0) r1 = pidfd_open(r0, 0x0) r2 = dup(r1) setns(r2, 0x40000000) r3 = syz_genetlink_get_family_id$tipc2(&(0x7f0000000140), 0xffffffffffffffff) sendmsg$TIPC_NL_MON_GET(r2, &(0x7f0000000240)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x100000}, 0xc, &(0x7f0000000200)={&(0x7f0000000600)={0x2bc, r3, 0x8, 0x70bd2b, 0x25dfdbfc, {}, [@TIPC_NLA_LINK={0x2c, 0x4, 0x0, 0x1, [@TIPC_NLA_LINK_NAME={0x9, 0x1, 'syz0\x00'}, @TIPC_NLA_LINK_PROP={0x1c, 0x7, 0x0, 0x1, [@TIPC_NLA_PROP_WIN={0x8, 0x3, 0x7fffffff}, @TIPC_NLA_PROP_MTU={0x8, 0x4, 0x9}, @TIPC_NLA_PROP_PRIO={0x8, 0x1, 0x11}]}]}, @TIPC_NLA_NET={0x2c, 0x7, 0x0, 0x1, [@TIPC_NLA_NET_NODEID_W1={0xc, 0x4, 0x3f}, @TIPC_NLA_NET_ID={0x8, 0x1, 0x5}, @TIPC_NLA_NET_ID={0x8, 0x1, 0x147}, @TIPC_NLA_NET_NODEID_W1={0xc, 0x4, 0x401}]}, @TIPC_NLA_PUBL={0x2c, 0x3, 0x0, 0x1, [@TIPC_NLA_PUBL_TYPE={0x8, 0x1, 0x9}, @TIPC_NLA_PUBL_TYPE={0x8, 0x1, 0x4f}, @TIPC_NLA_PUBL_LOWER={0x8, 0x2, 0x80}, @TIPC_NLA_PUBL_TYPE={0x8, 0x1, 0x3f}, @TIPC_NLA_PUBL_UPPER={0x8, 0x3, 0x812}]}, @TIPC_NLA_NET={0x1c, 0x7, 0x0, 0x1, [@TIPC_NLA_NET_NODEID_W1={0xc, 0x4, 0x20}, @TIPC_NLA_NET_NODEID={0xc, 0x3, 0x80000001}]}, @TIPC_NLA_NET={0x48, 0x7, 0x0, 0x1, [@TIPC_NLA_NET_ID={0x8, 0x1, 0xffffffff}, @TIPC_NLA_NET_NODEID_W1={0xc, 0x4, 0x1}, @TIPC_NLA_NET_ADDR={0x8, 0x2, 0x2}, @TIPC_NLA_NET_ADDR={0x8, 0x2, 0x1000}, @TIPC_NLA_NET_ADDR={0x8, 0x2, 0x6}, @TIPC_NLA_NET_ID={0x8, 0x1, 0x730e}, @TIPC_NLA_NET_ADDR={0x8, 0x2, 0x7}, @TIPC_NLA_NET_ADDR={0x8, 0x2, 0x4}]}, @TIPC_NLA_NET={0x48, 0x7, 0x0, 0x1, [@TIPC_NLA_NET_NODEID_W1={0xc, 0x4, 0xfffffffffffffff8}, @TIPC_NLA_NET_NODEID_W1={0xc, 0x4, 0x1}, @TIPC_NLA_NET_ADDR={0x8, 0x2, 0xfffffffe}, @TIPC_NLA_NET_ID={0x8, 0x1, 0x5f3e}, @TIPC_NLA_NET_ID={0x8, 0x1, 0x8}, @TIPC_NLA_NET_ADDR={0x8, 0x2, 0x1}, @TIPC_NLA_NET_NODEID={0xc, 0x3, 0xfae4}]}, @TIPC_NLA_SOCK={0x50, 0x2, 0x0, 0x1, [@TIPC_NLA_SOCK_ADDR={0x8, 0x1, 0x6}, @TIPC_NLA_SOCK_REF={0x8, 0x2, 0x5}, @TIPC_NLA_SOCK_REF={0x8, 0x2, 0xbe8}, @TIPC_NLA_SOCK_CON={0x2c, 0x3, 0x0, 0x1, [@TIPC_NLA_CON_FLAG={0x8, 0x1, 0x3}, @TIPC_NLA_CON_NODE={0x8, 0x2, 0x9}, @TIPC_NLA_CON_FLAG={0x8, 0x1, 0x7}, @TIPC_NLA_CON_NODE={0x8, 0x2, 0x9}, @TIPC_NLA_CON_NODE={0x8, 0x2, 0x3f}]}, @TIPC_NLA_SOCK_REF={0x8, 0x2, 0x9}]}, @TIPC_NLA_LINK={0xd8, 0x4, 0x0, 0x1, [@TIPC_NLA_LINK_NAME={0x9, 0x1, 'syz0\x00'}, @TIPC_NLA_LINK_PROP={0x24, 0x7, 0x0, 0x1, [@TIPC_NLA_PROP_PRIO={0x8, 0x1, 0x5}, @TIPC_NLA_PROP_PRIO={0x8, 0x1, 0x8}, @TIPC_NLA_PROP_WIN={0x8, 0x3, 0x1000}, @TIPC_NLA_PROP_WIN={0x8, 0x3, 0x1}]}, @TIPC_NLA_LINK_NAME={0x13, 0x1, 'broadcast-link\x00'}, @TIPC_NLA_LINK_NAME={0x9, 0x1, 'syz0\x00'}, @TIPC_NLA_LINK_NAME={0x13, 0x1, 'broadcast-link\x00'}, @TIPC_NLA_LINK_PROP={0x44, 0x7, 0x0, 0x1, [@TIPC_NLA_PROP_TOL={0x8, 0x2, 0x9}, @TIPC_NLA_PROP_PRIO={0x8, 0x1, 0x1b}, @TIPC_NLA_PROP_PRIO={0x8, 0x1, 0x1}, @TIPC_NLA_PROP_WIN={0x8, 0x3, 0x3}, @TIPC_NLA_PROP_TOL={0x8}, @TIPC_NLA_PROP_TOL={0x8, 0x2, 0x3ff}, @TIPC_NLA_PROP_MTU={0x8, 0x4, 0x603}, @TIPC_NLA_PROP_MTU={0x8, 0x4, 0x4}]}, @TIPC_NLA_LINK_NAME={0x9, 0x1, 'syz0\x00'}, @TIPC_NLA_LINK_PROP={0xc, 0x7, 0x0, 0x1, [@TIPC_NLA_PROP_PRIO={0x8, 0x1, 0x1f}]}, @TIPC_NLA_LINK_NAME={0x13, 0x1, 'broadcast-link\x00'}]}, @TIPC_NLA_BEARER={0x4}, @TIPC_NLA_MON={0x4c, 0x9, 0x0, 0x1, [@TIPC_NLA_MON_ACTIVATION_THRESHOLD={0x8, 0x1, 0x6}, @TIPC_NLA_MON_REF={0x8, 0x2, 0x7ffd}, @TIPC_NLA_MON_REF={0x8, 0x2, 0x7fff}, @TIPC_NLA_MON_REF={0x8, 0x2, 0x43}, @TIPC_NLA_MON_ACTIVATION_THRESHOLD={0x8, 0x1, 0x5}, @TIPC_NLA_MON_ACTIVATION_THRESHOLD={0x8, 0x1, 0x7fffffff}, @TIPC_NLA_MON_REF={0x8}, @TIPC_NLA_MON_REF={0x8, 0x2, 0x6}, @TIPC_NLA_MON_ACTIVATION_THRESHOLD={0x8, 0x1, 0x3}]}]}, 0x2bc}, 0x1, 0x0, 0x0, 0x810}, 0x0) perf_event_open(&(0x7f0000000480)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4307, 0x0, 0x6, 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, @perf_config_ext, 0x204a, 0x0, 0x2, 0x4, 0x0, 0xc}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r4 = syz_io_uring_setup(0x2ac5, &(0x7f0000000080)={0x0, 0x0, 0x0, 0x1}, &(0x7f0000ffb000/0x3000)=nil, &(0x7f0000ffa000/0x6000)=nil, &(0x7f0000000180), &(0x7f0000000100)) mmap$IORING_OFF_SQ_RING(&(0x7f0000ffc000/0x4000)=nil, 0x4000, 0x100000e, 0x13, r4, 0x0) r5 = fork() ptrace(0x10, r5) ptrace$peeksig(0x4209, r5, &(0x7f00000001c0)={0x0, 0x1, 0x1}, &(0x7f0000000500)=[{}])