executing program BUG: memory leak unreferenced object 0xffff888115864f00 (size 256): comm "syz-executor849", pid 6509, jiffies 4294941584 (age 12.820s) 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: [<00000000893a3405>] kmalloc include/linux/slab.h:555 [inline] [<00000000893a3405>] kmalloc_array include/linux/slab.h:596 [inline] [<00000000893a3405>] kcalloc include/linux/slab.h:608 [inline] [<00000000893a3405>] tcf_exts_init include/net/pkt_cls.h:223 [inline] [<00000000893a3405>] tcindex_alloc_perfect_hash net/sched/cls_tcindex.c:312 [inline] [<00000000893a3405>] tcindex_alloc_perfect_hash+0x88/0x110 net/sched/cls_tcindex.c:302 [<00000000dfd746f2>] tcindex_set_parms+0x8b0/0x9d0 net/sched/cls_tcindex.c:433 [<00000000c40e1ed7>] tcindex_change+0xcf/0x110 net/sched/cls_tcindex.c:546 [<000000000afded02>] tc_new_tfilter+0x8b0/0xe30 net/sched/cls_api.c:2126 [<00000000e7566703>] rtnetlink_rcv_msg+0x364/0x460 net/core/rtnetlink.c:5452 [<0000000033c869d7>] netlink_rcv_skb+0x5b/0x180 net/netlink/af_netlink.c:2469 [<000000003f901423>] netlink_unicast_kernel net/netlink/af_netlink.c:1303 [inline] [<000000003f901423>] netlink_unicast+0x2b6/0x3c0 net/netlink/af_netlink.c:1329 [<00000000309a0f63>] netlink_sendmsg+0x2ba/0x570 net/netlink/af_netlink.c:1918 [<0000000038785282>] sock_sendmsg_nosec net/socket.c:652 [inline] [<0000000038785282>] sock_sendmsg+0x4c/0x60 net/socket.c:672 [<0000000087c3a602>] ____sys_sendmsg+0x118/0x2f0 net/socket.c:2352 [<00000000fe33c2e2>] ___sys_sendmsg+0x81/0xc0 net/socket.c:2406 [<0000000093d3d608>] __sys_sendmmsg+0xda/0x230 net/socket.c:2496 [<000000006fa15dd8>] __do_sys_sendmmsg net/socket.c:2525 [inline] [<000000006fa15dd8>] __se_sys_sendmmsg net/socket.c:2522 [inline] [<000000006fa15dd8>] __x64_sys_sendmmsg+0x24/0x30 net/socket.c:2522 [<000000009a80442a>] do_syscall_64+0x4c/0xe0 arch/x86/entry/common.c:384 [<000000009632506b>] entry_SYSCALL_64_after_hwframe+0x44/0xa9 BUG: memory leak unreferenced object 0xffff888115864e00 (size 256): comm "syz-executor849", pid 6509, jiffies 4294941584 (age 12.820s) 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: [<00000000893a3405>] kmalloc include/linux/slab.h:555 [inline] [<00000000893a3405>] kmalloc_array include/linux/slab.h:596 [inline] [<00000000893a3405>] kcalloc include/linux/slab.h:608 [inline] [<00000000893a3405>] tcf_exts_init include/net/pkt_cls.h:223 [inline] [<00000000893a3405>] tcindex_alloc_perfect_hash net/sched/cls_tcindex.c:312 [inline] [<00000000893a3405>] tcindex_alloc_perfect_hash+0x88/0x110 net/sched/cls_tcindex.c:302 [<00000000dfd746f2>] tcindex_set_parms+0x8b0/0x9d0 net/sched/cls_tcindex.c:433 [<00000000c40e1ed7>] tcindex_change+0xcf/0x110 net/sched/cls_tcindex.c:546 [<000000000afded02>] tc_new_tfilter+0x8b0/0xe30 net/sched/cls_api.c:2126 [<00000000e7566703>] rtnetlink_rcv_msg+0x364/0x460 net/core/rtnetlink.c:5452 [<0000000033c869d7>] netlink_rcv_skb+0x5b/0x180 net/netlink/af_netlink.c:2469 [<000000003f901423>] netlink_unicast_kernel net/netlink/af_netlink.c:1303 [inline] [<000000003f901423>] netlink_unicast+0x2b6/0x3c0 net/netlink/af_netlink.c:1329 [<00000000309a0f63>] netlink_sendmsg+0x2ba/0x570 net/netlink/af_netlink.c:1918 [<0000000038785282>] sock_sendmsg_nosec net/socket.c:652 [inline] [<0000000038785282>] sock_sendmsg+0x4c/0x60 net/socket.c:672 [<0000000087c3a602>] ____sys_sendmsg+0x118/0x2f0 net/socket.c:2352 [<00000000fe33c2e2>] ___sys_sendmsg+0x81/0xc0 net/socket.c:2406 [<0000000093d3d608>] __sys_sendmmsg+0xda/0x230 net/socket.c:2496 [<000000006fa15dd8>] __do_sys_sendmmsg net/socket.c:2525 [inline] [<000000006fa15dd8>] __se_sys_sendmmsg net/socket.c:2522 [inline] [<000000006fa15dd8>] __x64_sys_sendmmsg+0x24/0x30 net/socket.c:2522 [<000000009a80442a>] do_syscall_64+0x4c/0xe0 arch/x86/entry/common.c:384 [<000000009632506b>] entry_SYSCALL_64_after_hwframe+0x44/0xa9 BUG: memory leak unreferenced object 0xffff888115864d00 (size 256): comm "syz-executor849", pid 6509, jiffies 4294941584 (age 12.820s) 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: [<00000000893a3405>] kmalloc include/linux/slab.h:555 [inline] [<00000000893a3405>] kmalloc_array include/linux/slab.h:596 [inline] [<00000000893a3405>] kcalloc include/linux/slab.h:608 [inline] [<00000000893a3405>] tcf_exts_init include/net/pkt_cls.h:223 [inline] [<00000000893a3405>] tcindex_alloc_perfect_hash net/sched/cls_tcindex.c:312 [inline] [<00000000893a3405>] tcindex_alloc_perfect_hash+0x88/0x110 net/sched/cls_tcindex.c:302 [<00000000dfd746f2>] tcindex_set_parms+0x8b0/0x9d0 net/sched/cls_tcindex.c:433 [<00000000c40e1ed7>] tcindex_change+0xcf/0x110 net/sched/cls_tcindex.c:546 [<000000000afded02>] tc_new_tfilter+0x8b0/0xe30 net/sched/cls_api.c:2126 [<00000000e7566703>] rtnetlink_rcv_msg+0x364/0x460 net/core/rtnetlink.c:5452 [<0000000033c869d7>] netlink_rcv_skb+0x5b/0x180 net/netlink/af_netlink.c:2469 [<000000003f901423>] netlink_unicast_kernel net/netlink/af_netlink.c:1303 [inline] [<000000003f901423>] netlink_unicast+0x2b6/0x3c0 net/netlink/af_netlink.c:1329 [<00000000309a0f63>] netlink_sendmsg+0x2ba/0x570 net/netlink/af_netlink.c:1918 [<0000000038785282>] sock_sendmsg_nosec net/socket.c:652 [inline] [<0000000038785282>] sock_sendmsg+0x4c/0x60 net/socket.c:672 [<0000000087c3a602>] ____sys_sendmsg+0x118/0x2f0 net/socket.c:2352 [<00000000fe33c2e2>] ___sys_sendmsg+0x81/0xc0 net/socket.c:2406 [<0000000093d3d608>] __sys_sendmmsg+0xda/0x230 net/socket.c:2496 [<000000006fa15dd8>] __do_sys_sendmmsg net/socket.c:2525 [inline] [<000000006fa15dd8>] __se_sys_sendmmsg net/socket.c:2522 [inline] [<000000006fa15dd8>] __x64_sys_sendmmsg+0x24/0x30 net/socket.c:2522 [<000000009a80442a>] do_syscall_64+0x4c/0xe0 arch/x86/entry/common.c:384 [<000000009632506b>] entry_SYSCALL_64_after_hwframe+0x44/0xa9