executing program BUG: memory leak unreferenced object 0xffff888119c57e00 (size 256): comm "syz-executor381", pid 6492, jiffies 4294948195 (age 14.140s) 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: [<00000000c89afdac>] kmalloc include/linux/slab.h:554 [inline] [<00000000c89afdac>] kmalloc_array include/linux/slab.h:593 [inline] [<00000000c89afdac>] kcalloc include/linux/slab.h:605 [inline] [<00000000c89afdac>] tcf_exts_init include/net/pkt_cls.h:229 [inline] [<00000000c89afdac>] tcindex_alloc_perfect_hash net/sched/cls_tcindex.c:312 [inline] [<00000000c89afdac>] tcindex_alloc_perfect_hash+0x88/0x110 net/sched/cls_tcindex.c:302 [<000000002ff5063f>] tcindex_set_parms+0x8b0/0x9d0 net/sched/cls_tcindex.c:433 [<00000000aaa38884>] tcindex_change+0xcf/0x110 net/sched/cls_tcindex.c:546 [<000000000cf30c9c>] tc_new_tfilter+0x8b0/0xe30 net/sched/cls_api.c:2129 [<00000000da8b5acc>] rtnetlink_rcv_msg+0x364/0x460 net/core/rtnetlink.c:5554 [<0000000036a0953a>] netlink_rcv_skb+0x5b/0x180 net/netlink/af_netlink.c:2470 [<0000000048058597>] netlink_unicast_kernel net/netlink/af_netlink.c:1304 [inline] [<0000000048058597>] netlink_unicast+0x2b6/0x3c0 net/netlink/af_netlink.c:1330 [<00000000f71667d4>] netlink_sendmsg+0x2ba/0x570 net/netlink/af_netlink.c:1919 [<0000000059859168>] sock_sendmsg_nosec net/socket.c:651 [inline] [<0000000059859168>] sock_sendmsg+0x4c/0x60 net/socket.c:671 [<00000000fe4d0486>] ____sys_sendmsg+0x2c4/0x2f0 net/socket.c:2353 [<000000005e9023db>] ___sys_sendmsg+0x81/0xc0 net/socket.c:2407 [<00000000f27761b7>] __sys_sendmsg+0x77/0xe0 net/socket.c:2440 [<00000000734ddeee>] do_syscall_64+0x2d/0x70 arch/x86/entry/common.c:46 [<000000006f7967ec>] entry_SYSCALL_64_after_hwframe+0x44/0xa9 BUG: memory leak unreferenced object 0xffff888119c57d00 (size 256): comm "syz-executor381", pid 6492, jiffies 4294948195 (age 14.140s) 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: [<00000000c89afdac>] kmalloc include/linux/slab.h:554 [inline] [<00000000c89afdac>] kmalloc_array include/linux/slab.h:593 [inline] [<00000000c89afdac>] kcalloc include/linux/slab.h:605 [inline] [<00000000c89afdac>] tcf_exts_init include/net/pkt_cls.h:229 [inline] [<00000000c89afdac>] tcindex_alloc_perfect_hash net/sched/cls_tcindex.c:312 [inline] [<00000000c89afdac>] tcindex_alloc_perfect_hash+0x88/0x110 net/sched/cls_tcindex.c:302 [<000000002ff5063f>] tcindex_set_parms+0x8b0/0x9d0 net/sched/cls_tcindex.c:433 [<00000000aaa38884>] tcindex_change+0xcf/0x110 net/sched/cls_tcindex.c:546 [<000000000cf30c9c>] tc_new_tfilter+0x8b0/0xe30 net/sched/cls_api.c:2129 [<00000000da8b5acc>] rtnetlink_rcv_msg+0x364/0x460 net/core/rtnetlink.c:5554 [<0000000036a0953a>] netlink_rcv_skb+0x5b/0x180 net/netlink/af_netlink.c:2470 [<0000000048058597>] netlink_unicast_kernel net/netlink/af_netlink.c:1304 [inline] [<0000000048058597>] netlink_unicast+0x2b6/0x3c0 net/netlink/af_netlink.c:1330 [<00000000f71667d4>] netlink_sendmsg+0x2ba/0x570 net/netlink/af_netlink.c:1919 [<0000000059859168>] sock_sendmsg_nosec net/socket.c:651 [inline] [<0000000059859168>] sock_sendmsg+0x4c/0x60 net/socket.c:671 [<00000000fe4d0486>] ____sys_sendmsg+0x2c4/0x2f0 net/socket.c:2353 [<000000005e9023db>] ___sys_sendmsg+0x81/0xc0 net/socket.c:2407 [<00000000f27761b7>] __sys_sendmsg+0x77/0xe0 net/socket.c:2440 [<00000000734ddeee>] do_syscall_64+0x2d/0x70 arch/x86/entry/common.c:46 [<000000006f7967ec>] entry_SYSCALL_64_after_hwframe+0x44/0xa9 BUG: memory leak unreferenced object 0xffff888119c57c00 (size 256): comm "syz-executor381", pid 6492, jiffies 4294948195 (age 14.140s) 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: [<00000000c89afdac>] kmalloc include/linux/slab.h:554 [inline] [<00000000c89afdac>] kmalloc_array include/linux/slab.h:593 [inline] [<00000000c89afdac>] kcalloc include/linux/slab.h:605 [inline] [<00000000c89afdac>] tcf_exts_init include/net/pkt_cls.h:229 [inline] [<00000000c89afdac>] tcindex_alloc_perfect_hash net/sched/cls_tcindex.c:312 [inline] [<00000000c89afdac>] tcindex_alloc_perfect_hash+0x88/0x110 net/sched/cls_tcindex.c:302 [<000000002ff5063f>] tcindex_set_parms+0x8b0/0x9d0 net/sched/cls_tcindex.c:433 [<00000000aaa38884>] tcindex_change+0xcf/0x110 net/sched/cls_tcindex.c:546 [<000000000cf30c9c>] tc_new_tfilter+0x8b0/0xe30 net/sched/cls_api.c:2129 [<00000000da8b5acc>] rtnetlink_rcv_msg+0x364/0x460 net/core/rtnetlink.c:5554 [<0000000036a0953a>] netlink_rcv_skb+0x5b/0x180 net/netlink/af_netlink.c:2470 [<0000000048058597>] netlink_unicast_kernel net/netlink/af_netlink.c:1304 [inline] [<0000000048058597>] netlink_unicast+0x2b6/0x3c0 net/netlink/af_netlink.c:1330 [<00000000f71667d4>] netlink_sendmsg+0x2ba/0x570 net/netlink/af_netlink.c:1919 [<0000000059859168>] sock_sendmsg_nosec net/socket.c:651 [inline] [<0000000059859168>] sock_sendmsg+0x4c/0x60 net/socket.c:671 [<00000000fe4d0486>] ____sys_sendmsg+0x2c4/0x2f0 net/socket.c:2353 [<000000005e9023db>] ___sys_sendmsg+0x81/0xc0 net/socket.c:2407 [<00000000f27761b7>] __sys_sendmsg+0x77/0xe0 net/socket.c:2440 [<00000000734ddeee>] do_syscall_64+0x2d/0x70 arch/x86/entry/common.c:46 [<000000006f7967ec>] entry_SYSCALL_64_after_hwframe+0x44/0xa9