executing program BUG: memory leak unreferenced object 0xffff88810b880300 (size 256): comm "syz-executor652", pid 8516, jiffies 4294943173 (age 14.060s) 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: [<00000000fcb3a6c0>] kmalloc include/linux/slab.h:552 [inline] [<00000000fcb3a6c0>] kmalloc_array include/linux/slab.h:591 [inline] [<00000000fcb3a6c0>] kcalloc include/linux/slab.h:603 [inline] [<00000000fcb3a6c0>] tcf_exts_init include/net/pkt_cls.h:229 [inline] [<00000000fcb3a6c0>] tcindex_set_parms+0xa3/0xba0 net/sched/cls_tcindex.c:339 [<0000000084b15bde>] tcindex_change+0xe8/0x120 net/sched/cls_tcindex.c:546 [<00000000767518af>] tc_new_tfilter+0xa37/0x1040 net/sched/cls_api.c:2129 [<00000000caca0522>] rtnetlink_rcv_msg+0x413/0x510 net/core/rtnetlink.c:5553 [<00000000ef459288>] netlink_rcv_skb+0x87/0x1d0 net/netlink/af_netlink.c:2494 [<00000000454453f8>] netlink_unicast_kernel net/netlink/af_netlink.c:1304 [inline] [<00000000454453f8>] netlink_unicast+0x392/0x4c0 net/netlink/af_netlink.c:1330 [<0000000055d633ca>] netlink_sendmsg+0x368/0x6a0 net/netlink/af_netlink.c:1919 [<00000000076af172>] sock_sendmsg_nosec net/socket.c:651 [inline] [<00000000076af172>] sock_sendmsg+0x56/0x80 net/socket.c:671 [<000000004111fd29>] ____sys_sendmsg+0x17a/0x390 net/socket.c:2353 [<000000004aa04193>] ___sys_sendmsg+0x8b/0xd0 net/socket.c:2407 [<000000007b4fb7d5>] __sys_sendmmsg+0xed/0x290 net/socket.c:2497 [<000000006cb165d0>] __do_sys_sendmmsg net/socket.c:2526 [inline] [<000000006cb165d0>] __se_sys_sendmmsg net/socket.c:2523 [inline] [<000000006cb165d0>] __x64_sys_sendmmsg+0x24/0x30 net/socket.c:2523 [<0000000008a20bb3>] do_syscall_64+0x2d/0x70 arch/x86/entry/common.c:46 [<00000000d6c45f36>] entry_SYSCALL_64_after_hwframe+0x44/0xa9 BUG: memory leak unreferenced object 0xffff8881102fe200 (size 256): comm "syz-executor652", pid 8516, jiffies 4294943173 (age 14.060s) 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: [<000000006957062b>] kmalloc include/linux/slab.h:552 [inline] [<000000006957062b>] kmalloc_array include/linux/slab.h:591 [inline] [<000000006957062b>] kcalloc include/linux/slab.h:603 [inline] [<000000006957062b>] tcf_exts_init include/net/pkt_cls.h:229 [inline] [<000000006957062b>] tcindex_alloc_perfect_hash net/sched/cls_tcindex.c:312 [inline] [<000000006957062b>] tcindex_alloc_perfect_hash+0x93/0x140 net/sched/cls_tcindex.c:302 [<0000000068195eac>] tcindex_set_parms+0xa49/0xba0 net/sched/cls_tcindex.c:433 [<0000000084b15bde>] tcindex_change+0xe8/0x120 net/sched/cls_tcindex.c:546 [<00000000767518af>] tc_new_tfilter+0xa37/0x1040 net/sched/cls_api.c:2129 [<00000000caca0522>] rtnetlink_rcv_msg+0x413/0x510 net/core/rtnetlink.c:5553 [<00000000ef459288>] netlink_rcv_skb+0x87/0x1d0 net/netlink/af_netlink.c:2494 [<00000000454453f8>] netlink_unicast_kernel net/netlink/af_netlink.c:1304 [inline] [<00000000454453f8>] netlink_unicast+0x392/0x4c0 net/netlink/af_netlink.c:1330 [<0000000055d633ca>] netlink_sendmsg+0x368/0x6a0 net/netlink/af_netlink.c:1919 [<00000000076af172>] sock_sendmsg_nosec net/socket.c:651 [inline] [<00000000076af172>] sock_sendmsg+0x56/0x80 net/socket.c:671 [<000000004111fd29>] ____sys_sendmsg+0x17a/0x390 net/socket.c:2353 [<000000004aa04193>] ___sys_sendmsg+0x8b/0xd0 net/socket.c:2407 [<000000007b4fb7d5>] __sys_sendmmsg+0xed/0x290 net/socket.c:2497 [<000000006cb165d0>] __do_sys_sendmmsg net/socket.c:2526 [inline] [<000000006cb165d0>] __se_sys_sendmmsg net/socket.c:2523 [inline] [<000000006cb165d0>] __x64_sys_sendmmsg+0x24/0x30 net/socket.c:2523 [<0000000008a20bb3>] do_syscall_64+0x2d/0x70 arch/x86/entry/common.c:46 [<00000000d6c45f36>] entry_SYSCALL_64_after_hwframe+0x44/0xa9 BUG: memory leak unreferenced object 0xffff8881102fe300 (size 256): comm "syz-executor652", pid 8516, jiffies 4294943173 (age 14.060s) 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: [<000000006957062b>] kmalloc include/linux/slab.h:552 [inline] [<000000006957062b>] kmalloc_array include/linux/slab.h:591 [inline] [<000000006957062b>] kcalloc include/linux/slab.h:603 [inline] [<000000006957062b>] tcf_exts_init include/net/pkt_cls.h:229 [inline] [<000000006957062b>] tcindex_alloc_perfect_hash net/sched/cls_tcindex.c:312 [inline] [<000000006957062b>] tcindex_alloc_perfect_hash+0x93/0x140 net/sched/cls_tcindex.c:302 [<0000000068195eac>] tcindex_set_parms+0xa49/0xba0 net/sched/cls_tcindex.c:433 [<0000000084b15bde>] tcindex_change+0xe8/0x120 net/sched/cls_tcindex.c:546 [<00000000767518af>] tc_new_tfilter+0xa37/0x1040 net/sched/cls_api.c:2129 [<00000000caca0522>] rtnetlink_rcv_msg+0x413/0x510 net/core/rtnetlink.c:5553 [<00000000ef459288>] netlink_rcv_skb+0x87/0x1d0 net/netlink/af_netlink.c:2494 [<00000000454453f8>] netlink_unicast_kernel net/netlink/af_netlink.c:1304 [inline] [<00000000454453f8>] netlink_unicast+0x392/0x4c0 net/netlink/af_netlink.c:1330 [<0000000055d633ca>] netlink_sendmsg+0x368/0x6a0 net/netlink/af_netlink.c:1919 [<00000000076af172>] sock_sendmsg_nosec net/socket.c:651 [inline] [<00000000076af172>] sock_sendmsg+0x56/0x80 net/socket.c:671 [<000000004111fd29>] ____sys_sendmsg+0x17a/0x390 net/socket.c:2353 [<000000004aa04193>] ___sys_sendmsg+0x8b/0xd0 net/socket.c:2407 [<000000007b4fb7d5>] __sys_sendmmsg+0xed/0x290 net/socket.c:2497 [<000000006cb165d0>] __do_sys_sendmmsg net/socket.c:2526 [inline] [<000000006cb165d0>] __se_sys_sendmmsg net/socket.c:2523 [inline] [<000000006cb165d0>] __x64_sys_sendmmsg+0x24/0x30 net/socket.c:2523 [<0000000008a20bb3>] do_syscall_64+0x2d/0x70 arch/x86/entry/common.c:46 [<00000000d6c45f36>] entry_SYSCALL_64_after_hwframe+0x44/0xa9