executing program BUG: memory leak unreferenced object 0xffff8881188da500 (size 256): comm "syz-executor927", pid 6533, jiffies 4294941526 (age 13.620s) 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: [<0000000062e56c52>] kmalloc include/linux/slab.h:554 [inline] [<0000000062e56c52>] kmalloc_array include/linux/slab.h:593 [inline] [<0000000062e56c52>] kcalloc include/linux/slab.h:605 [inline] [<0000000062e56c52>] tcf_exts_init include/net/pkt_cls.h:229 [inline] [<0000000062e56c52>] tcindex_set_parms+0xa3/0x9d0 net/sched/cls_tcindex.c:339 [<0000000056b1d6a6>] tcindex_change+0xcf/0x110 net/sched/cls_tcindex.c:546 [<00000000cc42f7a8>] tc_new_tfilter+0x8b0/0xe30 net/sched/cls_api.c:2129 [<00000000558addec>] rtnetlink_rcv_msg+0x364/0x460 net/core/rtnetlink.c:5554 [<00000000b46dc8e4>] netlink_rcv_skb+0x5b/0x180 net/netlink/af_netlink.c:2470 [<00000000dc911b18>] netlink_unicast_kernel net/netlink/af_netlink.c:1304 [inline] [<00000000dc911b18>] netlink_unicast+0x2b6/0x3c0 net/netlink/af_netlink.c:1330 [<000000007e09bfc4>] netlink_sendmsg+0x2ba/0x570 net/netlink/af_netlink.c:1919 [<0000000006e34e64>] sock_sendmsg_nosec net/socket.c:651 [inline] [<0000000006e34e64>] sock_sendmsg+0x4c/0x60 net/socket.c:671 [<00000000a66c89b5>] ____sys_sendmsg+0x2c4/0x2f0 net/socket.c:2353 [<00000000e31dbe8b>] ___sys_sendmsg+0x81/0xc0 net/socket.c:2407 [<000000005eb03ea6>] __sys_sendmsg+0x77/0xe0 net/socket.c:2440 [<00000000084a64ed>] do_syscall_64+0x2d/0x70 arch/x86/entry/common.c:46 [<0000000061199c23>] entry_SYSCALL_64_after_hwframe+0x44/0xa9 BUG: memory leak unreferenced object 0xffff888117a9e500 (size 256): comm "syz-executor927", pid 6533, jiffies 4294941526 (age 13.620s) 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: [<00000000e7158b57>] kmalloc include/linux/slab.h:554 [inline] [<00000000e7158b57>] kmalloc_array include/linux/slab.h:593 [inline] [<00000000e7158b57>] kcalloc include/linux/slab.h:605 [inline] [<00000000e7158b57>] tcf_exts_init include/net/pkt_cls.h:229 [inline] [<00000000e7158b57>] tcindex_alloc_perfect_hash net/sched/cls_tcindex.c:312 [inline] [<00000000e7158b57>] tcindex_alloc_perfect_hash+0x88/0x110 net/sched/cls_tcindex.c:302 [<000000000249da4e>] tcindex_set_parms+0x8b0/0x9d0 net/sched/cls_tcindex.c:433 [<0000000056b1d6a6>] tcindex_change+0xcf/0x110 net/sched/cls_tcindex.c:546 [<00000000cc42f7a8>] tc_new_tfilter+0x8b0/0xe30 net/sched/cls_api.c:2129 [<00000000558addec>] rtnetlink_rcv_msg+0x364/0x460 net/core/rtnetlink.c:5554 [<00000000b46dc8e4>] netlink_rcv_skb+0x5b/0x180 net/netlink/af_netlink.c:2470 [<00000000dc911b18>] netlink_unicast_kernel net/netlink/af_netlink.c:1304 [inline] [<00000000dc911b18>] netlink_unicast+0x2b6/0x3c0 net/netlink/af_netlink.c:1330 [<000000007e09bfc4>] netlink_sendmsg+0x2ba/0x570 net/netlink/af_netlink.c:1919 [<0000000006e34e64>] sock_sendmsg_nosec net/socket.c:651 [inline] [<0000000006e34e64>] sock_sendmsg+0x4c/0x60 net/socket.c:671 [<00000000a66c89b5>] ____sys_sendmsg+0x2c4/0x2f0 net/socket.c:2353 [<00000000e31dbe8b>] ___sys_sendmsg+0x81/0xc0 net/socket.c:2407 [<000000005eb03ea6>] __sys_sendmsg+0x77/0xe0 net/socket.c:2440 [<00000000084a64ed>] do_syscall_64+0x2d/0x70 arch/x86/entry/common.c:46 [<0000000061199c23>] entry_SYSCALL_64_after_hwframe+0x44/0xa9 BUG: memory leak unreferenced object 0xffff888117a9e400 (size 256): comm "syz-executor927", pid 6533, jiffies 4294941526 (age 13.620s) 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: [<00000000e7158b57>] kmalloc include/linux/slab.h:554 [inline] [<00000000e7158b57>] kmalloc_array include/linux/slab.h:593 [inline] [<00000000e7158b57>] kcalloc include/linux/slab.h:605 [inline] [<00000000e7158b57>] tcf_exts_init include/net/pkt_cls.h:229 [inline] [<00000000e7158b57>] tcindex_alloc_perfect_hash net/sched/cls_tcindex.c:312 [inline] [<00000000e7158b57>] tcindex_alloc_perfect_hash+0x88/0x110 net/sched/cls_tcindex.c:302 [<000000000249da4e>] tcindex_set_parms+0x8b0/0x9d0 net/sched/cls_tcindex.c:433 [<0000000056b1d6a6>] tcindex_change+0xcf/0x110 net/sched/cls_tcindex.c:546 [<00000000cc42f7a8>] tc_new_tfilter+0x8b0/0xe30 net/sched/cls_api.c:2129 [<00000000558addec>] rtnetlink_rcv_msg+0x364/0x460 net/core/rtnetlink.c:5554 [<00000000b46dc8e4>] netlink_rcv_skb+0x5b/0x180 net/netlink/af_netlink.c:2470 [<00000000dc911b18>] netlink_unicast_kernel net/netlink/af_netlink.c:1304 [inline] [<00000000dc911b18>] netlink_unicast+0x2b6/0x3c0 net/netlink/af_netlink.c:1330 [<000000007e09bfc4>] netlink_sendmsg+0x2ba/0x570 net/netlink/af_netlink.c:1919 [<0000000006e34e64>] sock_sendmsg_nosec net/socket.c:651 [inline] [<0000000006e34e64>] sock_sendmsg+0x4c/0x60 net/socket.c:671 [<00000000a66c89b5>] ____sys_sendmsg+0x2c4/0x2f0 net/socket.c:2353 [<00000000e31dbe8b>] ___sys_sendmsg+0x81/0xc0 net/socket.c:2407 [<000000005eb03ea6>] __sys_sendmsg+0x77/0xe0 net/socket.c:2440 [<00000000084a64ed>] do_syscall_64+0x2d/0x70 arch/x86/entry/common.c:46 [<0000000061199c23>] entry_SYSCALL_64_after_hwframe+0x44/0xa9