executing program BUG: memory leak unreferenced object 0xffff8881197bcf00 (size 256): comm "syz-executor470", pid 6527, jiffies 4294941987 (age 12.930s) 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: [<00000000606e4060>] kmalloc include/linux/slab.h:554 [inline] [<00000000606e4060>] kmalloc_array include/linux/slab.h:593 [inline] [<00000000606e4060>] kcalloc include/linux/slab.h:605 [inline] [<00000000606e4060>] tcf_exts_init include/net/pkt_cls.h:229 [inline] [<00000000606e4060>] tcindex_set_parms+0xa3/0x9d0 net/sched/cls_tcindex.c:339 [<000000001fb052c3>] tcindex_change+0xcf/0x110 net/sched/cls_tcindex.c:546 [<000000002c1081b4>] tc_new_tfilter+0x8b0/0xe30 net/sched/cls_api.c:2129 [<0000000089f50926>] rtnetlink_rcv_msg+0x364/0x460 net/core/rtnetlink.c:5554 [<000000005c53ea47>] netlink_rcv_skb+0x5b/0x180 net/netlink/af_netlink.c:2470 [<0000000098f4983d>] netlink_unicast_kernel net/netlink/af_netlink.c:1304 [inline] [<0000000098f4983d>] netlink_unicast+0x2b6/0x3c0 net/netlink/af_netlink.c:1330 [<00000000f0617d0c>] netlink_sendmsg+0x2ba/0x570 net/netlink/af_netlink.c:1919 [<00000000e5150c93>] sock_sendmsg_nosec net/socket.c:651 [inline] [<00000000e5150c93>] sock_sendmsg+0x4c/0x60 net/socket.c:671 [<00000000aa148ff4>] ____sys_sendmsg+0x118/0x2f0 net/socket.c:2353 [<00000000f35c1e00>] ___sys_sendmsg+0x81/0xc0 net/socket.c:2407 [<00000000ac93c27a>] __sys_sendmmsg+0xda/0x230 net/socket.c:2497 [<0000000005d70c03>] __do_sys_sendmmsg net/socket.c:2526 [inline] [<0000000005d70c03>] __se_sys_sendmmsg net/socket.c:2523 [inline] [<0000000005d70c03>] __x64_sys_sendmmsg+0x24/0x30 net/socket.c:2523 [<000000006cbe29f6>] do_syscall_64+0x2d/0x70 arch/x86/entry/common.c:46 [<00000000f2ca2340>] entry_SYSCALL_64_after_hwframe+0x44/0xa9 BUG: memory leak unreferenced object 0xffff88811cdcfd00 (size 256): comm "syz-executor470", pid 6527, jiffies 4294941987 (age 12.930s) 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: [<0000000062473681>] kmalloc include/linux/slab.h:554 [inline] [<0000000062473681>] kmalloc_array include/linux/slab.h:593 [inline] [<0000000062473681>] kcalloc include/linux/slab.h:605 [inline] [<0000000062473681>] tcf_exts_init include/net/pkt_cls.h:229 [inline] [<0000000062473681>] tcindex_alloc_perfect_hash net/sched/cls_tcindex.c:312 [inline] [<0000000062473681>] tcindex_alloc_perfect_hash+0x88/0x110 net/sched/cls_tcindex.c:302 [<00000000416bdf4c>] tcindex_set_parms+0x8b0/0x9d0 net/sched/cls_tcindex.c:433 [<000000001fb052c3>] tcindex_change+0xcf/0x110 net/sched/cls_tcindex.c:546 [<000000002c1081b4>] tc_new_tfilter+0x8b0/0xe30 net/sched/cls_api.c:2129 [<0000000089f50926>] rtnetlink_rcv_msg+0x364/0x460 net/core/rtnetlink.c:5554 [<000000005c53ea47>] netlink_rcv_skb+0x5b/0x180 net/netlink/af_netlink.c:2470 [<0000000098f4983d>] netlink_unicast_kernel net/netlink/af_netlink.c:1304 [inline] [<0000000098f4983d>] netlink_unicast+0x2b6/0x3c0 net/netlink/af_netlink.c:1330 [<00000000f0617d0c>] netlink_sendmsg+0x2ba/0x570 net/netlink/af_netlink.c:1919 [<00000000e5150c93>] sock_sendmsg_nosec net/socket.c:651 [inline] [<00000000e5150c93>] sock_sendmsg+0x4c/0x60 net/socket.c:671 [<00000000aa148ff4>] ____sys_sendmsg+0x118/0x2f0 net/socket.c:2353 [<00000000f35c1e00>] ___sys_sendmsg+0x81/0xc0 net/socket.c:2407 [<00000000ac93c27a>] __sys_sendmmsg+0xda/0x230 net/socket.c:2497 [<0000000005d70c03>] __do_sys_sendmmsg net/socket.c:2526 [inline] [<0000000005d70c03>] __se_sys_sendmmsg net/socket.c:2523 [inline] [<0000000005d70c03>] __x64_sys_sendmmsg+0x24/0x30 net/socket.c:2523 [<000000006cbe29f6>] do_syscall_64+0x2d/0x70 arch/x86/entry/common.c:46 [<00000000f2ca2340>] entry_SYSCALL_64_after_hwframe+0x44/0xa9 BUG: memory leak unreferenced object 0xffff88811cdcfc00 (size 256): comm "syz-executor470", pid 6527, jiffies 4294941987 (age 12.930s) 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: [<0000000062473681>] kmalloc include/linux/slab.h:554 [inline] [<0000000062473681>] kmalloc_array include/linux/slab.h:593 [inline] [<0000000062473681>] kcalloc include/linux/slab.h:605 [inline] [<0000000062473681>] tcf_exts_init include/net/pkt_cls.h:229 [inline] [<0000000062473681>] tcindex_alloc_perfect_hash net/sched/cls_tcindex.c:312 [inline] [<0000000062473681>] tcindex_alloc_perfect_hash+0x88/0x110 net/sched/cls_tcindex.c:302 [<00000000416bdf4c>] tcindex_set_parms+0x8b0/0x9d0 net/sched/cls_tcindex.c:433 [<000000001fb052c3>] tcindex_change+0xcf/0x110 net/sched/cls_tcindex.c:546 [<000000002c1081b4>] tc_new_tfilter+0x8b0/0xe30 net/sched/cls_api.c:2129 [<0000000089f50926>] rtnetlink_rcv_msg+0x364/0x460 net/core/rtnetlink.c:5554 [<000000005c53ea47>] netlink_rcv_skb+0x5b/0x180 net/netlink/af_netlink.c:2470 [<0000000098f4983d>] netlink_unicast_kernel net/netlink/af_netlink.c:1304 [inline] [<0000000098f4983d>] netlink_unicast+0x2b6/0x3c0 net/netlink/af_netlink.c:1330 [<00000000f0617d0c>] netlink_sendmsg+0x2ba/0x570 net/netlink/af_netlink.c:1919 [<00000000e5150c93>] sock_sendmsg_nosec net/socket.c:651 [inline] [<00000000e5150c93>] sock_sendmsg+0x4c/0x60 net/socket.c:671 [<00000000aa148ff4>] ____sys_sendmsg+0x118/0x2f0 net/socket.c:2353 [<00000000f35c1e00>] ___sys_sendmsg+0x81/0xc0 net/socket.c:2407 [<00000000ac93c27a>] __sys_sendmmsg+0xda/0x230 net/socket.c:2497 [<0000000005d70c03>] __do_sys_sendmmsg net/socket.c:2526 [inline] [<0000000005d70c03>] __se_sys_sendmmsg net/socket.c:2523 [inline] [<0000000005d70c03>] __x64_sys_sendmmsg+0x24/0x30 net/socket.c:2523 [<000000006cbe29f6>] do_syscall_64+0x2d/0x70 arch/x86/entry/common.c:46 [<00000000f2ca2340>] entry_SYSCALL_64_after_hwframe+0x44/0xa9