executing program BUG: memory leak unreferenced object 0xffff88811209fd00 (size 256): comm "syz-executor511", pid 8491, jiffies 4294942245 (age 12.950s) 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: [<000000009196577f>] kmalloc include/linux/slab.h:552 [inline] [<000000009196577f>] kmalloc_array include/linux/slab.h:591 [inline] [<000000009196577f>] kcalloc include/linux/slab.h:621 [inline] [<000000009196577f>] tcf_exts_init include/net/pkt_cls.h:229 [inline] [<000000009196577f>] tcindex_alloc_perfect_hash net/sched/cls_tcindex.c:312 [inline] [<000000009196577f>] tcindex_alloc_perfect_hash+0x8f/0x140 net/sched/cls_tcindex.c:302 [<000000005c105c3b>] tcindex_set_parms+0xa60/0xbc0 net/sched/cls_tcindex.c:437 [<00000000c4ad6536>] tcindex_change+0xe8/0x120 net/sched/cls_tcindex.c:550 [<0000000063296294>] tc_new_tfilter+0xa33/0x1030 net/sched/cls_api.c:2127 [<000000000cef88ab>] rtnetlink_rcv_msg+0x422/0x520 net/core/rtnetlink.c:5544 [<00000000a72530a4>] netlink_rcv_skb+0x87/0x1d0 net/netlink/af_netlink.c:2494 [<00000000e00ec0fa>] netlink_unicast_kernel net/netlink/af_netlink.c:1304 [inline] [<00000000e00ec0fa>] netlink_unicast+0x392/0x4c0 net/netlink/af_netlink.c:1330 [<000000008db61c72>] netlink_sendmsg+0x368/0x6a0 net/netlink/af_netlink.c:1919 [<000000003a7cae42>] sock_sendmsg_nosec net/socket.c:652 [inline] [<000000003a7cae42>] sock_sendmsg+0x56/0x80 net/socket.c:672 [<00000000c6161716>] ____sys_sendmsg+0x17a/0x390 net/socket.c:2345 [<000000006ab781b5>] ___sys_sendmsg+0x8b/0xd0 net/socket.c:2399 [<0000000028a2e47c>] __sys_sendmmsg+0xed/0x290 net/socket.c:2489 [<000000006c01ab1c>] __do_sys_sendmmsg net/socket.c:2518 [inline] [<000000006c01ab1c>] __se_sys_sendmmsg net/socket.c:2515 [inline] [<000000006c01ab1c>] __x64_sys_sendmmsg+0x24/0x30 net/socket.c:2515 [<000000003a4e266c>] do_syscall_64+0x2d/0x70 arch/x86/entry/common.c:46 [<000000006fe6b0fb>] entry_SYSCALL_64_after_hwframe+0x44/0xa9 BUG: memory leak unreferenced object 0xffff88811209fc00 (size 256): comm "syz-executor511", pid 8491, jiffies 4294942245 (age 12.950s) 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: [<000000009196577f>] kmalloc include/linux/slab.h:552 [inline] [<000000009196577f>] kmalloc_array include/linux/slab.h:591 [inline] [<000000009196577f>] kcalloc include/linux/slab.h:621 [inline] [<000000009196577f>] tcf_exts_init include/net/pkt_cls.h:229 [inline] [<000000009196577f>] tcindex_alloc_perfect_hash net/sched/cls_tcindex.c:312 [inline] [<000000009196577f>] tcindex_alloc_perfect_hash+0x8f/0x140 net/sched/cls_tcindex.c:302 [<000000005c105c3b>] tcindex_set_parms+0xa60/0xbc0 net/sched/cls_tcindex.c:437 [<00000000c4ad6536>] tcindex_change+0xe8/0x120 net/sched/cls_tcindex.c:550 [<0000000063296294>] tc_new_tfilter+0xa33/0x1030 net/sched/cls_api.c:2127 [<000000000cef88ab>] rtnetlink_rcv_msg+0x422/0x520 net/core/rtnetlink.c:5544 [<00000000a72530a4>] netlink_rcv_skb+0x87/0x1d0 net/netlink/af_netlink.c:2494 [<00000000e00ec0fa>] netlink_unicast_kernel net/netlink/af_netlink.c:1304 [inline] [<00000000e00ec0fa>] netlink_unicast+0x392/0x4c0 net/netlink/af_netlink.c:1330 [<000000008db61c72>] netlink_sendmsg+0x368/0x6a0 net/netlink/af_netlink.c:1919 [<000000003a7cae42>] sock_sendmsg_nosec net/socket.c:652 [inline] [<000000003a7cae42>] sock_sendmsg+0x56/0x80 net/socket.c:672 [<00000000c6161716>] ____sys_sendmsg+0x17a/0x390 net/socket.c:2345 [<000000006ab781b5>] ___sys_sendmsg+0x8b/0xd0 net/socket.c:2399 [<0000000028a2e47c>] __sys_sendmmsg+0xed/0x290 net/socket.c:2489 [<000000006c01ab1c>] __do_sys_sendmmsg net/socket.c:2518 [inline] [<000000006c01ab1c>] __se_sys_sendmmsg net/socket.c:2515 [inline] [<000000006c01ab1c>] __x64_sys_sendmmsg+0x24/0x30 net/socket.c:2515 [<000000003a4e266c>] do_syscall_64+0x2d/0x70 arch/x86/entry/common.c:46 [<000000006fe6b0fb>] entry_SYSCALL_64_after_hwframe+0x44/0xa9 BUG: memory leak unreferenced object 0xffff88811209fb00 (size 256): comm "syz-executor511", pid 8491, jiffies 4294942245 (age 12.950s) 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: [<000000009196577f>] kmalloc include/linux/slab.h:552 [inline] [<000000009196577f>] kmalloc_array include/linux/slab.h:591 [inline] [<000000009196577f>] kcalloc include/linux/slab.h:621 [inline] [<000000009196577f>] tcf_exts_init include/net/pkt_cls.h:229 [inline] [<000000009196577f>] tcindex_alloc_perfect_hash net/sched/cls_tcindex.c:312 [inline] [<000000009196577f>] tcindex_alloc_perfect_hash+0x8f/0x140 net/sched/cls_tcindex.c:302 [<000000005c105c3b>] tcindex_set_parms+0xa60/0xbc0 net/sched/cls_tcindex.c:437 [<00000000c4ad6536>] tcindex_change+0xe8/0x120 net/sched/cls_tcindex.c:550 [<0000000063296294>] tc_new_tfilter+0xa33/0x1030 net/sched/cls_api.c:2127 [<000000000cef88ab>] rtnetlink_rcv_msg+0x422/0x520 net/core/rtnetlink.c:5544 [<00000000a72530a4>] netlink_rcv_skb+0x87/0x1d0 net/netlink/af_netlink.c:2494 [<00000000e00ec0fa>] netlink_unicast_kernel net/netlink/af_netlink.c:1304 [inline] [<00000000e00ec0fa>] netlink_unicast+0x392/0x4c0 net/netlink/af_netlink.c:1330 [<000000008db61c72>] netlink_sendmsg+0x368/0x6a0 net/netlink/af_netlink.c:1919 [<000000003a7cae42>] sock_sendmsg_nosec net/socket.c:652 [inline] [<000000003a7cae42>] sock_sendmsg+0x56/0x80 net/socket.c:672 [<00000000c6161716>] ____sys_sendmsg+0x17a/0x390 net/socket.c:2345 [<000000006ab781b5>] ___sys_sendmsg+0x8b/0xd0 net/socket.c:2399 [<0000000028a2e47c>] __sys_sendmmsg+0xed/0x290 net/socket.c:2489 [<000000006c01ab1c>] __do_sys_sendmmsg net/socket.c:2518 [inline] [<000000006c01ab1c>] __se_sys_sendmmsg net/socket.c:2515 [inline] [<000000006c01ab1c>] __x64_sys_sendmmsg+0x24/0x30 net/socket.c:2515 [<000000003a4e266c>] do_syscall_64+0x2d/0x70 arch/x86/entry/common.c:46 [<000000006fe6b0fb>] entry_SYSCALL_64_after_hwframe+0x44/0xa9