executing program BUG: memory leak unreferenced object 0xffff888110886900 (size 256): comm "syz-executor841", pid 8485, jiffies 4294942340 (age 13.990s) 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: [<00000000c2be2be1>] kmalloc include/linux/slab.h:552 [inline] [<00000000c2be2be1>] kmalloc_array include/linux/slab.h:591 [inline] [<00000000c2be2be1>] kcalloc include/linux/slab.h:621 [inline] [<00000000c2be2be1>] tcf_exts_init include/net/pkt_cls.h:229 [inline] [<00000000c2be2be1>] tcindex_alloc_perfect_hash net/sched/cls_tcindex.c:312 [inline] [<00000000c2be2be1>] tcindex_alloc_perfect_hash+0x8f/0x140 net/sched/cls_tcindex.c:302 [<000000005cfd6f53>] tcindex_set_parms+0xa49/0xba0 net/sched/cls_tcindex.c:433 [<00000000db3c05c8>] tcindex_change+0xe8/0x120 net/sched/cls_tcindex.c:546 [<00000000f4ed5bf3>] tc_new_tfilter+0xa33/0x1030 net/sched/cls_api.c:2127 [<0000000056484db1>] rtnetlink_rcv_msg+0x422/0x520 net/core/rtnetlink.c:5555 [<0000000019e8c1e1>] netlink_rcv_skb+0x87/0x1d0 net/netlink/af_netlink.c:2494 [<00000000260946fc>] netlink_unicast_kernel net/netlink/af_netlink.c:1304 [inline] [<00000000260946fc>] netlink_unicast+0x392/0x4c0 net/netlink/af_netlink.c:1330 [<0000000048b6429a>] netlink_sendmsg+0x368/0x6a0 net/netlink/af_netlink.c:1919 [<000000006666ae23>] sock_sendmsg_nosec net/socket.c:652 [inline] [<000000006666ae23>] sock_sendmsg+0x56/0x80 net/socket.c:672 [<0000000009a21140>] ____sys_sendmsg+0x17a/0x390 net/socket.c:2345 [<0000000083c81e9a>] ___sys_sendmsg+0x8b/0xd0 net/socket.c:2399 [<00000000bb645dfe>] __sys_sendmmsg+0xed/0x290 net/socket.c:2489 [<00000000f4d39be2>] __do_sys_sendmmsg net/socket.c:2518 [inline] [<00000000f4d39be2>] __se_sys_sendmmsg net/socket.c:2515 [inline] [<00000000f4d39be2>] __x64_sys_sendmmsg+0x24/0x30 net/socket.c:2515 [<000000008ac345f4>] do_syscall_64+0x2d/0x70 arch/x86/entry/common.c:46 [<0000000091f7b0aa>] entry_SYSCALL_64_after_hwframe+0x44/0xa9 BUG: memory leak unreferenced object 0xffff888110886b00 (size 256): comm "syz-executor841", pid 8485, jiffies 4294942340 (age 13.990s) 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: [<00000000c2be2be1>] kmalloc include/linux/slab.h:552 [inline] [<00000000c2be2be1>] kmalloc_array include/linux/slab.h:591 [inline] [<00000000c2be2be1>] kcalloc include/linux/slab.h:621 [inline] [<00000000c2be2be1>] tcf_exts_init include/net/pkt_cls.h:229 [inline] [<00000000c2be2be1>] tcindex_alloc_perfect_hash net/sched/cls_tcindex.c:312 [inline] [<00000000c2be2be1>] tcindex_alloc_perfect_hash+0x8f/0x140 net/sched/cls_tcindex.c:302 [<000000005cfd6f53>] tcindex_set_parms+0xa49/0xba0 net/sched/cls_tcindex.c:433 [<00000000db3c05c8>] tcindex_change+0xe8/0x120 net/sched/cls_tcindex.c:546 [<00000000f4ed5bf3>] tc_new_tfilter+0xa33/0x1030 net/sched/cls_api.c:2127 [<0000000056484db1>] rtnetlink_rcv_msg+0x422/0x520 net/core/rtnetlink.c:5555 [<0000000019e8c1e1>] netlink_rcv_skb+0x87/0x1d0 net/netlink/af_netlink.c:2494 [<00000000260946fc>] netlink_unicast_kernel net/netlink/af_netlink.c:1304 [inline] [<00000000260946fc>] netlink_unicast+0x392/0x4c0 net/netlink/af_netlink.c:1330 [<0000000048b6429a>] netlink_sendmsg+0x368/0x6a0 net/netlink/af_netlink.c:1919 [<000000006666ae23>] sock_sendmsg_nosec net/socket.c:652 [inline] [<000000006666ae23>] sock_sendmsg+0x56/0x80 net/socket.c:672 [<0000000009a21140>] ____sys_sendmsg+0x17a/0x390 net/socket.c:2345 [<0000000083c81e9a>] ___sys_sendmsg+0x8b/0xd0 net/socket.c:2399 [<00000000bb645dfe>] __sys_sendmmsg+0xed/0x290 net/socket.c:2489 [<00000000f4d39be2>] __do_sys_sendmmsg net/socket.c:2518 [inline] [<00000000f4d39be2>] __se_sys_sendmmsg net/socket.c:2515 [inline] [<00000000f4d39be2>] __x64_sys_sendmmsg+0x24/0x30 net/socket.c:2515 [<000000008ac345f4>] do_syscall_64+0x2d/0x70 arch/x86/entry/common.c:46 [<0000000091f7b0aa>] entry_SYSCALL_64_after_hwframe+0x44/0xa9 BUG: memory leak unreferenced object 0xffff888110886a00 (size 256): comm "syz-executor841", pid 8485, jiffies 4294942340 (age 13.990s) 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: [<00000000c2be2be1>] kmalloc include/linux/slab.h:552 [inline] [<00000000c2be2be1>] kmalloc_array include/linux/slab.h:591 [inline] [<00000000c2be2be1>] kcalloc include/linux/slab.h:621 [inline] [<00000000c2be2be1>] tcf_exts_init include/net/pkt_cls.h:229 [inline] [<00000000c2be2be1>] tcindex_alloc_perfect_hash net/sched/cls_tcindex.c:312 [inline] [<00000000c2be2be1>] tcindex_alloc_perfect_hash+0x8f/0x140 net/sched/cls_tcindex.c:302 [<000000005cfd6f53>] tcindex_set_parms+0xa49/0xba0 net/sched/cls_tcindex.c:433 [<00000000db3c05c8>] tcindex_change+0xe8/0x120 net/sched/cls_tcindex.c:546 [<00000000f4ed5bf3>] tc_new_tfilter+0xa33/0x1030 net/sched/cls_api.c:2127 [<0000000056484db1>] rtnetlink_rcv_msg+0x422/0x520 net/core/rtnetlink.c:5555 [<0000000019e8c1e1>] netlink_rcv_skb+0x87/0x1d0 net/netlink/af_netlink.c:2494 [<00000000260946fc>] netlink_unicast_kernel net/netlink/af_netlink.c:1304 [inline] [<00000000260946fc>] netlink_unicast+0x392/0x4c0 net/netlink/af_netlink.c:1330 [<0000000048b6429a>] netlink_sendmsg+0x368/0x6a0 net/netlink/af_netlink.c:1919 [<000000006666ae23>] sock_sendmsg_nosec net/socket.c:652 [inline] [<000000006666ae23>] sock_sendmsg+0x56/0x80 net/socket.c:672 [<0000000009a21140>] ____sys_sendmsg+0x17a/0x390 net/socket.c:2345 [<0000000083c81e9a>] ___sys_sendmsg+0x8b/0xd0 net/socket.c:2399 [<00000000bb645dfe>] __sys_sendmmsg+0xed/0x290 net/socket.c:2489 [<00000000f4d39be2>] __do_sys_sendmmsg net/socket.c:2518 [inline] [<00000000f4d39be2>] __se_sys_sendmmsg net/socket.c:2515 [inline] [<00000000f4d39be2>] __x64_sys_sendmmsg+0x24/0x30 net/socket.c:2515 [<000000008ac345f4>] do_syscall_64+0x2d/0x70 arch/x86/entry/common.c:46 [<0000000091f7b0aa>] entry_SYSCALL_64_after_hwframe+0x44/0xa9