executing program BUG: memory leak unreferenced object 0xffff888118d1c500 (size 256): comm "syz-executor475", pid 6456, jiffies 4294942561 (age 13.070s) hex dump (first 32 bytes): 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ backtrace: [<0000000017d70a4a>] kmalloc include/linux/slab.h:555 [inline] [<0000000017d70a4a>] kmalloc_array include/linux/slab.h:596 [inline] [<0000000017d70a4a>] kcalloc include/linux/slab.h:608 [inline] [<0000000017d70a4a>] tcf_exts_init include/net/pkt_cls.h:223 [inline] [<0000000017d70a4a>] tcindex_set_parms+0xa3/0x9d0 net/sched/cls_tcindex.c:339 [<00000000782ac350>] tcindex_change+0xcf/0x110 net/sched/cls_tcindex.c:546 [<0000000072b4fb32>] tc_new_tfilter+0x8b0/0xe30 net/sched/cls_api.c:2127 [<00000000dfbd93e8>] rtnetlink_rcv_msg+0x364/0x460 net/core/rtnetlink.c:5451 [<000000004ded3926>] netlink_rcv_skb+0x5b/0x180 net/netlink/af_netlink.c:2469 [<00000000167c21da>] netlink_unicast_kernel net/netlink/af_netlink.c:1303 [inline] [<00000000167c21da>] netlink_unicast+0x2b6/0x3c0 net/netlink/af_netlink.c:1329 [<00000000c3ab0dcc>] netlink_sendmsg+0x2ba/0x570 net/netlink/af_netlink.c:1918 [<0000000002c9aabe>] sock_sendmsg_nosec net/socket.c:652 [inline] [<0000000002c9aabe>] sock_sendmsg+0x4c/0x60 net/socket.c:672 [<0000000052b5a320>] ____sys_sendmsg+0x2c4/0x2f0 net/socket.c:2352 [<00000000df275331>] ___sys_sendmsg+0x81/0xc0 net/socket.c:2406 [<00000000ad19c634>] __sys_sendmsg+0x77/0xe0 net/socket.c:2439 [<00000000c05a4a0f>] do_syscall_64+0x4c/0xe0 arch/x86/entry/common.c:384 [<000000008edc3bb7>] entry_SYSCALL_64_after_hwframe+0x44/0xa9 BUG: memory leak unreferenced object 0xffff888124fdfd00 (size 256): comm "syz-executor475", pid 6456, jiffies 4294942561 (age 13.070s) hex dump (first 32 bytes): 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ backtrace: [<000000002a7505e4>] kmalloc include/linux/slab.h:555 [inline] [<000000002a7505e4>] kmalloc_array include/linux/slab.h:596 [inline] [<000000002a7505e4>] kcalloc include/linux/slab.h:608 [inline] [<000000002a7505e4>] tcf_exts_init include/net/pkt_cls.h:223 [inline] [<000000002a7505e4>] tcindex_alloc_perfect_hash net/sched/cls_tcindex.c:312 [inline] [<000000002a7505e4>] tcindex_alloc_perfect_hash+0x88/0x110 net/sched/cls_tcindex.c:302 [<00000000292d5417>] tcindex_set_parms+0x8b0/0x9d0 net/sched/cls_tcindex.c:433 [<00000000782ac350>] tcindex_change+0xcf/0x110 net/sched/cls_tcindex.c:546 [<0000000072b4fb32>] tc_new_tfilter+0x8b0/0xe30 net/sched/cls_api.c:2127 [<00000000dfbd93e8>] rtnetlink_rcv_msg+0x364/0x460 net/core/rtnetlink.c:5451 [<000000004ded3926>] netlink_rcv_skb+0x5b/0x180 net/netlink/af_netlink.c:2469 [<00000000167c21da>] netlink_unicast_kernel net/netlink/af_netlink.c:1303 [inline] [<00000000167c21da>] netlink_unicast+0x2b6/0x3c0 net/netlink/af_netlink.c:1329 [<00000000c3ab0dcc>] netlink_sendmsg+0x2ba/0x570 net/netlink/af_netlink.c:1918 [<0000000002c9aabe>] sock_sendmsg_nosec net/socket.c:652 [inline] [<0000000002c9aabe>] sock_sendmsg+0x4c/0x60 net/socket.c:672 [<0000000052b5a320>] ____sys_sendmsg+0x2c4/0x2f0 net/socket.c:2352 [<00000000df275331>] ___sys_sendmsg+0x81/0xc0 net/socket.c:2406 [<00000000ad19c634>] __sys_sendmsg+0x77/0xe0 net/socket.c:2439 [<00000000c05a4a0f>] do_syscall_64+0x4c/0xe0 arch/x86/entry/common.c:384 [<000000008edc3bb7>] entry_SYSCALL_64_after_hwframe+0x44/0xa9 BUG: memory leak unreferenced object 0xffff888124fdfc00 (size 256): comm "syz-executor475", pid 6456, jiffies 4294942561 (age 13.070s) hex dump (first 32 bytes): 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ backtrace: [<000000002a7505e4>] kmalloc include/linux/slab.h:555 [inline] [<000000002a7505e4>] kmalloc_array include/linux/slab.h:596 [inline] [<000000002a7505e4>] kcalloc include/linux/slab.h:608 [inline] [<000000002a7505e4>] tcf_exts_init include/net/pkt_cls.h:223 [inline] [<000000002a7505e4>] tcindex_alloc_perfect_hash net/sched/cls_tcindex.c:312 [inline] [<000000002a7505e4>] tcindex_alloc_perfect_hash+0x88/0x110 net/sched/cls_tcindex.c:302 [<00000000292d5417>] tcindex_set_parms+0x8b0/0x9d0 net/sched/cls_tcindex.c:433 [<00000000782ac350>] tcindex_change+0xcf/0x110 net/sched/cls_tcindex.c:546 [<0000000072b4fb32>] tc_new_tfilter+0x8b0/0xe30 net/sched/cls_api.c:2127 [<00000000dfbd93e8>] rtnetlink_rcv_msg+0x364/0x460 net/core/rtnetlink.c:5451 [<000000004ded3926>] netlink_rcv_skb+0x5b/0x180 net/netlink/af_netlink.c:2469 [<00000000167c21da>] netlink_unicast_kernel net/netlink/af_netlink.c:1303 [inline] [<00000000167c21da>] netlink_unicast+0x2b6/0x3c0 net/netlink/af_netlink.c:1329 [<00000000c3ab0dcc>] netlink_sendmsg+0x2ba/0x570 net/netlink/af_netlink.c:1918 [<0000000002c9aabe>] sock_sendmsg_nosec net/socket.c:652 [inline] [<0000000002c9aabe>] sock_sendmsg+0x4c/0x60 net/socket.c:672 [<0000000052b5a320>] ____sys_sendmsg+0x2c4/0x2f0 net/socket.c:2352 [<00000000df275331>] ___sys_sendmsg+0x81/0xc0 net/socket.c:2406 [<00000000ad19c634>] __sys_sendmsg+0x77/0xe0 net/socket.c:2439 [<00000000c05a4a0f>] do_syscall_64+0x4c/0xe0 arch/x86/entry/common.c:384 [<000000008edc3bb7>] entry_SYSCALL_64_after_hwframe+0x44/0xa9