executing program BUG: memory leak unreferenced object 0xffff8881189a2900 (size 256): comm "syz-executor395", pid 6480, jiffies 4294941741 (age 14.180s) 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: [<00000000959ea6d7>] kmalloc include/linux/slab.h:555 [inline] [<00000000959ea6d7>] kmalloc_array include/linux/slab.h:596 [inline] [<00000000959ea6d7>] kcalloc include/linux/slab.h:608 [inline] [<00000000959ea6d7>] tcf_exts_init include/net/pkt_cls.h:223 [inline] [<00000000959ea6d7>] tcindex_alloc_perfect_hash net/sched/cls_tcindex.c:312 [inline] [<00000000959ea6d7>] tcindex_alloc_perfect_hash+0x88/0x110 net/sched/cls_tcindex.c:302 [<0000000003f1dd54>] tcindex_set_parms+0x8b0/0x9d0 net/sched/cls_tcindex.c:433 [<00000000a2c6d668>] tcindex_change+0xcf/0x110 net/sched/cls_tcindex.c:546 [<0000000030a81c3d>] tc_new_tfilter+0x8b0/0xe30 net/sched/cls_api.c:2126 [<00000000c5ef71b2>] rtnetlink_rcv_msg+0x364/0x460 net/core/rtnetlink.c:5452 [<00000000efe42ded>] netlink_rcv_skb+0x5b/0x180 net/netlink/af_netlink.c:2469 [<00000000603fdc19>] netlink_unicast_kernel net/netlink/af_netlink.c:1303 [inline] [<00000000603fdc19>] netlink_unicast+0x2b6/0x3c0 net/netlink/af_netlink.c:1329 [<00000000ec7d58a9>] netlink_sendmsg+0x2ba/0x570 net/netlink/af_netlink.c:1918 [<00000000735c51c8>] sock_sendmsg_nosec net/socket.c:652 [inline] [<00000000735c51c8>] sock_sendmsg+0x4c/0x60 net/socket.c:672 [<0000000012cf8eb4>] ____sys_sendmsg+0x118/0x2f0 net/socket.c:2352 [<0000000023028729>] ___sys_sendmsg+0x81/0xc0 net/socket.c:2406 [<00000000a8d06d90>] __sys_sendmmsg+0xda/0x230 net/socket.c:2496 [<0000000021e6d62c>] __do_sys_sendmmsg net/socket.c:2525 [inline] [<0000000021e6d62c>] __se_sys_sendmmsg net/socket.c:2522 [inline] [<0000000021e6d62c>] __x64_sys_sendmmsg+0x24/0x30 net/socket.c:2522 [<00000000fba4f203>] do_syscall_64+0x4c/0xe0 arch/x86/entry/common.c:384 [<00000000655bb6d6>] entry_SYSCALL_64_after_hwframe+0x44/0xa9 BUG: memory leak unreferenced object 0xffff8881189a2a00 (size 256): comm "syz-executor395", pid 6480, jiffies 4294941741 (age 14.180s) 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: [<00000000959ea6d7>] kmalloc include/linux/slab.h:555 [inline] [<00000000959ea6d7>] kmalloc_array include/linux/slab.h:596 [inline] [<00000000959ea6d7>] kcalloc include/linux/slab.h:608 [inline] [<00000000959ea6d7>] tcf_exts_init include/net/pkt_cls.h:223 [inline] [<00000000959ea6d7>] tcindex_alloc_perfect_hash net/sched/cls_tcindex.c:312 [inline] [<00000000959ea6d7>] tcindex_alloc_perfect_hash+0x88/0x110 net/sched/cls_tcindex.c:302 [<0000000003f1dd54>] tcindex_set_parms+0x8b0/0x9d0 net/sched/cls_tcindex.c:433 [<00000000a2c6d668>] tcindex_change+0xcf/0x110 net/sched/cls_tcindex.c:546 [<0000000030a81c3d>] tc_new_tfilter+0x8b0/0xe30 net/sched/cls_api.c:2126 [<00000000c5ef71b2>] rtnetlink_rcv_msg+0x364/0x460 net/core/rtnetlink.c:5452 [<00000000efe42ded>] netlink_rcv_skb+0x5b/0x180 net/netlink/af_netlink.c:2469 [<00000000603fdc19>] netlink_unicast_kernel net/netlink/af_netlink.c:1303 [inline] [<00000000603fdc19>] netlink_unicast+0x2b6/0x3c0 net/netlink/af_netlink.c:1329 [<00000000ec7d58a9>] netlink_sendmsg+0x2ba/0x570 net/netlink/af_netlink.c:1918 [<00000000735c51c8>] sock_sendmsg_nosec net/socket.c:652 [inline] [<00000000735c51c8>] sock_sendmsg+0x4c/0x60 net/socket.c:672 [<0000000012cf8eb4>] ____sys_sendmsg+0x118/0x2f0 net/socket.c:2352 [<0000000023028729>] ___sys_sendmsg+0x81/0xc0 net/socket.c:2406 [<00000000a8d06d90>] __sys_sendmmsg+0xda/0x230 net/socket.c:2496 [<0000000021e6d62c>] __do_sys_sendmmsg net/socket.c:2525 [inline] [<0000000021e6d62c>] __se_sys_sendmmsg net/socket.c:2522 [inline] [<0000000021e6d62c>] __x64_sys_sendmmsg+0x24/0x30 net/socket.c:2522 [<00000000fba4f203>] do_syscall_64+0x4c/0xe0 arch/x86/entry/common.c:384 [<00000000655bb6d6>] entry_SYSCALL_64_after_hwframe+0x44/0xa9 BUG: memory leak unreferenced object 0xffff8881189a2400 (size 256): comm "syz-executor395", pid 6480, jiffies 4294941741 (age 14.180s) 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: [<00000000959ea6d7>] kmalloc include/linux/slab.h:555 [inline] [<00000000959ea6d7>] kmalloc_array include/linux/slab.h:596 [inline] [<00000000959ea6d7>] kcalloc include/linux/slab.h:608 [inline] [<00000000959ea6d7>] tcf_exts_init include/net/pkt_cls.h:223 [inline] [<00000000959ea6d7>] tcindex_alloc_perfect_hash net/sched/cls_tcindex.c:312 [inline] [<00000000959ea6d7>] tcindex_alloc_perfect_hash+0x88/0x110 net/sched/cls_tcindex.c:302 [<0000000003f1dd54>] tcindex_set_parms+0x8b0/0x9d0 net/sched/cls_tcindex.c:433 [<00000000a2c6d668>] tcindex_change+0xcf/0x110 net/sched/cls_tcindex.c:546 [<0000000030a81c3d>] tc_new_tfilter+0x8b0/0xe30 net/sched/cls_api.c:2126 [<00000000c5ef71b2>] rtnetlink_rcv_msg+0x364/0x460 net/core/rtnetlink.c:5452 [<00000000efe42ded>] netlink_rcv_skb+0x5b/0x180 net/netlink/af_netlink.c:2469 [<00000000603fdc19>] netlink_unicast_kernel net/netlink/af_netlink.c:1303 [inline] [<00000000603fdc19>] netlink_unicast+0x2b6/0x3c0 net/netlink/af_netlink.c:1329 [<00000000ec7d58a9>] netlink_sendmsg+0x2ba/0x570 net/netlink/af_netlink.c:1918 [<00000000735c51c8>] sock_sendmsg_nosec net/socket.c:652 [inline] [<00000000735c51c8>] sock_sendmsg+0x4c/0x60 net/socket.c:672 [<0000000012cf8eb4>] ____sys_sendmsg+0x118/0x2f0 net/socket.c:2352 [<0000000023028729>] ___sys_sendmsg+0x81/0xc0 net/socket.c:2406 [<00000000a8d06d90>] __sys_sendmmsg+0xda/0x230 net/socket.c:2496 [<0000000021e6d62c>] __do_sys_sendmmsg net/socket.c:2525 [inline] [<0000000021e6d62c>] __se_sys_sendmmsg net/socket.c:2522 [inline] [<0000000021e6d62c>] __x64_sys_sendmmsg+0x24/0x30 net/socket.c:2522 [<00000000fba4f203>] do_syscall_64+0x4c/0xe0 arch/x86/entry/common.c:384 [<00000000655bb6d6>] entry_SYSCALL_64_after_hwframe+0x44/0xa9