executing program BUG: memory leak unreferenced object 0xffff88811080b600 (size 256): comm "syz-executor733", pid 8458, jiffies 4294942393 (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: [<00000000eed22f75>] kmalloc include/linux/slab.h:552 [inline] [<00000000eed22f75>] kmalloc_array include/linux/slab.h:591 [inline] [<00000000eed22f75>] kcalloc include/linux/slab.h:621 [inline] [<00000000eed22f75>] tcf_exts_init include/net/pkt_cls.h:229 [inline] [<00000000eed22f75>] tcindex_set_parms+0xa3/0xbc0 net/sched/cls_tcindex.c:339 [<0000000052b47a56>] tcindex_change+0xe8/0x120 net/sched/cls_tcindex.c:550 [<0000000027490c02>] tc_new_tfilter+0xa33/0x1030 net/sched/cls_api.c:2127 [<000000005b1b6090>] rtnetlink_rcv_msg+0x422/0x520 net/core/rtnetlink.c:5544 [<00000000b97d1d59>] netlink_rcv_skb+0x87/0x1d0 net/netlink/af_netlink.c:2494 [<000000002cbbd18c>] netlink_unicast_kernel net/netlink/af_netlink.c:1304 [inline] [<000000002cbbd18c>] netlink_unicast+0x392/0x4c0 net/netlink/af_netlink.c:1330 [<000000009af58f1d>] netlink_sendmsg+0x368/0x6a0 net/netlink/af_netlink.c:1919 [<00000000cffeeb84>] sock_sendmsg_nosec net/socket.c:652 [inline] [<00000000cffeeb84>] sock_sendmsg+0x56/0x80 net/socket.c:672 [<0000000074199e8c>] ____sys_sendmsg+0x17a/0x390 net/socket.c:2345 [<00000000a73066fa>] ___sys_sendmsg+0x8b/0xd0 net/socket.c:2399 [<0000000045e42d31>] __sys_sendmmsg+0xed/0x290 net/socket.c:2489 [<0000000021eedb5f>] __do_sys_sendmmsg net/socket.c:2518 [inline] [<0000000021eedb5f>] __se_sys_sendmmsg net/socket.c:2515 [inline] [<0000000021eedb5f>] __x64_sys_sendmmsg+0x24/0x30 net/socket.c:2515 [<0000000000ff5534>] do_syscall_64+0x2d/0x70 arch/x86/entry/common.c:46 [<00000000851aaa6f>] entry_SYSCALL_64_after_hwframe+0x44/0xa9 BUG: memory leak unreferenced object 0xffff8881106af100 (size 256): comm "syz-executor733", pid 8458, jiffies 4294942393 (age 12.940s) 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: [<00000000aa2e3b28>] kmalloc include/linux/slab.h:552 [inline] [<00000000aa2e3b28>] kmalloc_array include/linux/slab.h:591 [inline] [<00000000aa2e3b28>] kcalloc include/linux/slab.h:621 [inline] [<00000000aa2e3b28>] tcf_exts_init include/net/pkt_cls.h:229 [inline] [<00000000aa2e3b28>] tcindex_alloc_perfect_hash net/sched/cls_tcindex.c:312 [inline] [<00000000aa2e3b28>] tcindex_alloc_perfect_hash+0x8f/0x140 net/sched/cls_tcindex.c:302 [<0000000078ac5423>] tcindex_set_parms+0xa60/0xbc0 net/sched/cls_tcindex.c:437 [<0000000052b47a56>] tcindex_change+0xe8/0x120 net/sched/cls_tcindex.c:550 [<0000000027490c02>] tc_new_tfilter+0xa33/0x1030 net/sched/cls_api.c:2127 [<000000005b1b6090>] rtnetlink_rcv_msg+0x422/0x520 net/core/rtnetlink.c:5544 [<00000000b97d1d59>] netlink_rcv_skb+0x87/0x1d0 net/netlink/af_netlink.c:2494 [<000000002cbbd18c>] netlink_unicast_kernel net/netlink/af_netlink.c:1304 [inline] [<000000002cbbd18c>] netlink_unicast+0x392/0x4c0 net/netlink/af_netlink.c:1330 [<000000009af58f1d>] netlink_sendmsg+0x368/0x6a0 net/netlink/af_netlink.c:1919 [<00000000cffeeb84>] sock_sendmsg_nosec net/socket.c:652 [inline] [<00000000cffeeb84>] sock_sendmsg+0x56/0x80 net/socket.c:672 [<0000000074199e8c>] ____sys_sendmsg+0x17a/0x390 net/socket.c:2345 [<00000000a73066fa>] ___sys_sendmsg+0x8b/0xd0 net/socket.c:2399 [<0000000045e42d31>] __sys_sendmmsg+0xed/0x290 net/socket.c:2489 [<0000000021eedb5f>] __do_sys_sendmmsg net/socket.c:2518 [inline] [<0000000021eedb5f>] __se_sys_sendmmsg net/socket.c:2515 [inline] [<0000000021eedb5f>] __x64_sys_sendmmsg+0x24/0x30 net/socket.c:2515 [<0000000000ff5534>] do_syscall_64+0x2d/0x70 arch/x86/entry/common.c:46 [<00000000851aaa6f>] entry_SYSCALL_64_after_hwframe+0x44/0xa9 BUG: memory leak unreferenced object 0xffff8881106af200 (size 256): comm "syz-executor733", pid 8458, jiffies 4294942393 (age 12.940s) 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: [<00000000aa2e3b28>] kmalloc include/linux/slab.h:552 [inline] [<00000000aa2e3b28>] kmalloc_array include/linux/slab.h:591 [inline] [<00000000aa2e3b28>] kcalloc include/linux/slab.h:621 [inline] [<00000000aa2e3b28>] tcf_exts_init include/net/pkt_cls.h:229 [inline] [<00000000aa2e3b28>] tcindex_alloc_perfect_hash net/sched/cls_tcindex.c:312 [inline] [<00000000aa2e3b28>] tcindex_alloc_perfect_hash+0x8f/0x140 net/sched/cls_tcindex.c:302 [<0000000078ac5423>] tcindex_set_parms+0xa60/0xbc0 net/sched/cls_tcindex.c:437 [<0000000052b47a56>] tcindex_change+0xe8/0x120 net/sched/cls_tcindex.c:550 [<0000000027490c02>] tc_new_tfilter+0xa33/0x1030 net/sched/cls_api.c:2127 [<000000005b1b6090>] rtnetlink_rcv_msg+0x422/0x520 net/core/rtnetlink.c:5544 [<00000000b97d1d59>] netlink_rcv_skb+0x87/0x1d0 net/netlink/af_netlink.c:2494 [<000000002cbbd18c>] netlink_unicast_kernel net/netlink/af_netlink.c:1304 [inline] [<000000002cbbd18c>] netlink_unicast+0x392/0x4c0 net/netlink/af_netlink.c:1330 [<000000009af58f1d>] netlink_sendmsg+0x368/0x6a0 net/netlink/af_netlink.c:1919 [<00000000cffeeb84>] sock_sendmsg_nosec net/socket.c:652 [inline] [<00000000cffeeb84>] sock_sendmsg+0x56/0x80 net/socket.c:672 [<0000000074199e8c>] ____sys_sendmsg+0x17a/0x390 net/socket.c:2345 [<00000000a73066fa>] ___sys_sendmsg+0x8b/0xd0 net/socket.c:2399 [<0000000045e42d31>] __sys_sendmmsg+0xed/0x290 net/socket.c:2489 [<0000000021eedb5f>] __do_sys_sendmmsg net/socket.c:2518 [inline] [<0000000021eedb5f>] __se_sys_sendmmsg net/socket.c:2515 [inline] [<0000000021eedb5f>] __x64_sys_sendmmsg+0x24/0x30 net/socket.c:2515 [<0000000000ff5534>] do_syscall_64+0x2d/0x70 arch/x86/entry/common.c:46 [<00000000851aaa6f>] entry_SYSCALL_64_after_hwframe+0x44/0xa9